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1 Parent(s): 6557de5

Upload folder using huggingface_hub

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  2. .idea/.gitignore +3 -0
  3. .idea/gradiochat.iml +10 -0
  4. .idea/inspectionProfiles/profiles_settings.xml +6 -0
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  10. venv/.gitignore +2 -0
  11. venv/Lib/site-packages/Jinja2-3.1.3.dist-info/INSTALLER +1 -0
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README.md CHANGED
@@ -1,12 +1,6 @@
1
  ---
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- title: Asesor Financiero
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- emoji: 🏢
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- colorFrom: red
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- colorTo: yellow
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  sdk: gradio
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  sdk_version: 4.18.0
8
- app_file: app.py
9
- pinned: false
10
  ---
11
-
12
- Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
1
  ---
2
+ title: Asesor_financiero
3
+ app_file: app.py
 
 
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  sdk: gradio
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6
  ---
 
 
app.py ADDED
@@ -0,0 +1,20 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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+ import openai
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+ import gradio
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+
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+ openai.api_key = "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"
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+
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+ messages = [{"role": "system", "content": "You are a financial experts that specializes in real estate investment and negotiation"}]
7
+
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+ def CustomChatGPT(user_input):
9
+ messages.append({"role": "user", "content": user_input})
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+ response = openai.ChatCompletion.create(
11
+ model = "gpt-3.5-turbo",
12
+ messages = messages
13
+ )
14
+ ChatGPT_reply = response["choices"][0]["message"]["content"]
15
+ messages.append({"role": "assistant", "content": ChatGPT_reply})
16
+ return ChatGPT_reply
17
+
18
+ demo = gradio.Interface(fn=CustomChatGPT, inputs = "text", outputs = "text", title = "Real Estate Pro")
19
+
20
+ demo.launch(share=True)
venv/.gitignore ADDED
@@ -0,0 +1,2 @@
 
 
 
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+ # created by virtualenv automatically
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+ *
venv/Lib/site-packages/Jinja2-3.1.3.dist-info/INSTALLER ADDED
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venv/Lib/site-packages/Jinja2-3.1.3.dist-info/LICENSE.rst ADDED
@@ -0,0 +1,28 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ Copyright 2007 Pallets
2
+
3
+ Redistribution and use in source and binary forms, with or without
4
+ modification, are permitted provided that the following conditions are
5
+ met:
6
+
7
+ 1. Redistributions of source code must retain the above copyright
8
+ notice, this list of conditions and the following disclaimer.
9
+
10
+ 2. Redistributions in binary form must reproduce the above copyright
11
+ notice, this list of conditions and the following disclaimer in the
12
+ documentation and/or other materials provided with the distribution.
13
+
14
+ 3. Neither the name of the copyright holder nor the names of its
15
+ contributors may be used to endorse or promote products derived from
16
+ this software without specific prior written permission.
17
+
18
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
21
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22
+ HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
24
+ TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
venv/Lib/site-packages/Jinja2-3.1.3.dist-info/METADATA ADDED
@@ -0,0 +1,105 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ Metadata-Version: 2.1
2
+ Name: Jinja2
3
+ Version: 3.1.3
4
+ Summary: A very fast and expressive template engine.
5
+ Home-page: https://palletsprojects.com/p/jinja/
6
+ Maintainer: Pallets
7
+ Maintainer-email: contact@palletsprojects.com
8
+ License: BSD-3-Clause
9
+ Project-URL: Donate, https://palletsprojects.com/donate
10
+ Project-URL: Documentation, https://jinja.palletsprojects.com/
11
+ Project-URL: Changes, https://jinja.palletsprojects.com/changes/
12
+ Project-URL: Source Code, https://github.com/pallets/jinja/
13
+ Project-URL: Issue Tracker, https://github.com/pallets/jinja/issues/
14
+ Project-URL: Chat, https://discord.gg/pallets
15
+ Classifier: Development Status :: 5 - Production/Stable
16
+ Classifier: Environment :: Web Environment
17
+ Classifier: Intended Audience :: Developers
18
+ Classifier: License :: OSI Approved :: BSD License
19
+ Classifier: Operating System :: OS Independent
20
+ Classifier: Programming Language :: Python
21
+ Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
22
+ Classifier: Topic :: Text Processing :: Markup :: HTML
23
+ Requires-Python: >=3.7
24
+ Description-Content-Type: text/x-rst
25
+ License-File: LICENSE.rst
26
+ Requires-Dist: MarkupSafe >=2.0
27
+ Provides-Extra: i18n
28
+ Requires-Dist: Babel >=2.7 ; extra == 'i18n'
29
+
30
+ Jinja
31
+ =====
32
+
33
+ Jinja is a fast, expressive, extensible templating engine. Special
34
+ placeholders in the template allow writing code similar to Python
35
+ syntax. Then the template is passed data to render the final document.
36
+
37
+ It includes:
38
+
39
+ - Template inheritance and inclusion.
40
+ - Define and import macros within templates.
41
+ - HTML templates can use autoescaping to prevent XSS from untrusted
42
+ user input.
43
+ - A sandboxed environment can safely render untrusted templates.
44
+ - AsyncIO support for generating templates and calling async
45
+ functions.
46
+ - I18N support with Babel.
47
+ - Templates are compiled to optimized Python code just-in-time and
48
+ cached, or can be compiled ahead-of-time.
49
+ - Exceptions point to the correct line in templates to make debugging
50
+ easier.
51
+ - Extensible filters, tests, functions, and even syntax.
52
+
53
+ Jinja's philosophy is that while application logic belongs in Python if
54
+ possible, it shouldn't make the template designer's job difficult by
55
+ restricting functionality too much.
56
+
57
+
58
+ Installing
59
+ ----------
60
+
61
+ Install and update using `pip`_:
62
+
63
+ .. code-block:: text
64
+
65
+ $ pip install -U Jinja2
66
+
67
+ .. _pip: https://pip.pypa.io/en/stable/getting-started/
68
+
69
+
70
+ In A Nutshell
71
+ -------------
72
+
73
+ .. code-block:: jinja
74
+
75
+ {% extends "base.html" %}
76
+ {% block title %}Members{% endblock %}
77
+ {% block content %}
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+ <ul>
79
+ {% for user in users %}
80
+ <li><a href="{{ user.url }}">{{ user.username }}</a></li>
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+ {% endfor %}
82
+ </ul>
83
+ {% endblock %}
84
+
85
+
86
+ Donate
87
+ ------
88
+
89
+ The Pallets organization develops and supports Jinja and other popular
90
+ packages. In order to grow the community of contributors and users, and
91
+ allow the maintainers to devote more time to the projects, `please
92
+ donate today`_.
93
+
94
+ .. _please donate today: https://palletsprojects.com/donate
95
+
96
+
97
+ Links
98
+ -----
99
+
100
+ - Documentation: https://jinja.palletsprojects.com/
101
+ - Changes: https://jinja.palletsprojects.com/changes/
102
+ - PyPI Releases: https://pypi.org/project/Jinja2/
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+ - Source Code: https://github.com/pallets/jinja/
104
+ - Issue Tracker: https://github.com/pallets/jinja/issues/
105
+ - Chat: https://discord.gg/pallets
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+ jinja2/filters.py,sha256=vYjKb2zaPShvYtn_LpSmqfS8SScbrA_KOanNibsMDIE,53862
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+ jinja2/idtracking.py,sha256=GfNmadir4oDALVxzn3DL9YInhJDr69ebXeA2ygfuCGA,10704
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+ jinja2/lexer.py,sha256=DW2nX9zk-6MWp65YR2bqqj0xqCvLtD-u9NWT8AnFRxQ,29726
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+ jinja2/loaders.py,sha256=ayAwxfrA1SAffQta0nwSDm3TDT4KYiIGN_D9Z45B310,23085
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+ jinja2/meta.py,sha256=GNPEvifmSaU3CMxlbheBOZjeZ277HThOPUTf1RkppKQ,4396
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venv/Lib/site-packages/Jinja2-3.1.3.dist-info/WHEEL ADDED
@@ -0,0 +1,5 @@
 
 
 
 
 
 
1
+ Wheel-Version: 1.0
2
+ Generator: bdist_wheel (0.42.0)
3
+ Root-Is-Purelib: true
4
+ Tag: py3-none-any
5
+
venv/Lib/site-packages/Jinja2-3.1.3.dist-info/entry_points.txt ADDED
@@ -0,0 +1,2 @@
 
 
 
1
+ [babel.extractors]
2
+ jinja2 = jinja2.ext:babel_extract[i18n]
venv/Lib/site-packages/Jinja2-3.1.3.dist-info/top_level.txt ADDED
@@ -0,0 +1 @@
 
 
1
+ jinja2
venv/Lib/site-packages/MarkupSafe-2.1.5.dist-info/INSTALLER ADDED
@@ -0,0 +1 @@
 
 
1
+ pip
venv/Lib/site-packages/MarkupSafe-2.1.5.dist-info/LICENSE.rst ADDED
@@ -0,0 +1,28 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ Copyright 2010 Pallets
2
+
3
+ Redistribution and use in source and binary forms, with or without
4
+ modification, are permitted provided that the following conditions are
5
+ met:
6
+
7
+ 1. Redistributions of source code must retain the above copyright
8
+ notice, this list of conditions and the following disclaimer.
9
+
10
+ 2. Redistributions in binary form must reproduce the above copyright
11
+ notice, this list of conditions and the following disclaimer in the
12
+ documentation and/or other materials provided with the distribution.
13
+
14
+ 3. Neither the name of the copyright holder nor the names of its
15
+ contributors may be used to endorse or promote products derived from
16
+ this software without specific prior written permission.
17
+
18
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
21
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22
+ HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
24
+ TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
venv/Lib/site-packages/MarkupSafe-2.1.5.dist-info/METADATA ADDED
@@ -0,0 +1,93 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ Metadata-Version: 2.1
2
+ Name: MarkupSafe
3
+ Version: 2.1.5
4
+ Summary: Safely add untrusted strings to HTML/XML markup.
5
+ Home-page: https://palletsprojects.com/p/markupsafe/
6
+ Maintainer: Pallets
7
+ Maintainer-email: contact@palletsprojects.com
8
+ License: BSD-3-Clause
9
+ Project-URL: Donate, https://palletsprojects.com/donate
10
+ Project-URL: Documentation, https://markupsafe.palletsprojects.com/
11
+ Project-URL: Changes, https://markupsafe.palletsprojects.com/changes/
12
+ Project-URL: Source Code, https://github.com/pallets/markupsafe/
13
+ Project-URL: Issue Tracker, https://github.com/pallets/markupsafe/issues/
14
+ Project-URL: Chat, https://discord.gg/pallets
15
+ Classifier: Development Status :: 5 - Production/Stable
16
+ Classifier: Environment :: Web Environment
17
+ Classifier: Intended Audience :: Developers
18
+ Classifier: License :: OSI Approved :: BSD License
19
+ Classifier: Operating System :: OS Independent
20
+ Classifier: Programming Language :: Python
21
+ Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
22
+ Classifier: Topic :: Text Processing :: Markup :: HTML
23
+ Requires-Python: >=3.7
24
+ Description-Content-Type: text/x-rst
25
+ License-File: LICENSE.rst
26
+
27
+ MarkupSafe
28
+ ==========
29
+
30
+ MarkupSafe implements a text object that escapes characters so it is
31
+ safe to use in HTML and XML. Characters that have special meanings are
32
+ replaced so that they display as the actual characters. This mitigates
33
+ injection attacks, meaning untrusted user input can safely be displayed
34
+ on a page.
35
+
36
+
37
+ Installing
38
+ ----------
39
+
40
+ Install and update using `pip`_:
41
+
42
+ .. code-block:: text
43
+
44
+ pip install -U MarkupSafe
45
+
46
+ .. _pip: https://pip.pypa.io/en/stable/getting-started/
47
+
48
+
49
+ Examples
50
+ --------
51
+
52
+ .. code-block:: pycon
53
+
54
+ >>> from markupsafe import Markup, escape
55
+
56
+ >>> # escape replaces special characters and wraps in Markup
57
+ >>> escape("<script>alert(document.cookie);</script>")
58
+ Markup('&lt;script&gt;alert(document.cookie);&lt;/script&gt;')
59
+
60
+ >>> # wrap in Markup to mark text "safe" and prevent escaping
61
+ >>> Markup("<strong>Hello</strong>")
62
+ Markup('<strong>hello</strong>')
63
+
64
+ >>> escape(Markup("<strong>Hello</strong>"))
65
+ Markup('<strong>hello</strong>')
66
+
67
+ >>> # Markup is a str subclass
68
+ >>> # methods and operators escape their arguments
69
+ >>> template = Markup("Hello <em>{name}</em>")
70
+ >>> template.format(name='"World"')
71
+ Markup('Hello <em>&#34;World&#34;</em>')
72
+
73
+
74
+ Donate
75
+ ------
76
+
77
+ The Pallets organization develops and supports MarkupSafe and other
78
+ popular packages. In order to grow the community of contributors and
79
+ users, and allow the maintainers to devote more time to the projects,
80
+ `please donate today`_.
81
+
82
+ .. _please donate today: https://palletsprojects.com/donate
83
+
84
+
85
+ Links
86
+ -----
87
+
88
+ - Documentation: https://markupsafe.palletsprojects.com/
89
+ - Changes: https://markupsafe.palletsprojects.com/changes/
90
+ - PyPI Releases: https://pypi.org/project/MarkupSafe/
91
+ - Source Code: https://github.com/pallets/markupsafe/
92
+ - Issue Tracker: https://github.com/pallets/markupsafe/issues/
93
+ - Chat: https://discord.gg/pallets
venv/Lib/site-packages/MarkupSafe-2.1.5.dist-info/RECORD ADDED
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1
+ MarkupSafe-2.1.5.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
2
+ MarkupSafe-2.1.5.dist-info/LICENSE.rst,sha256=RjHsDbX9kKVH4zaBcmTGeYIUM4FG-KyUtKV_lu6MnsQ,1503
3
+ MarkupSafe-2.1.5.dist-info/METADATA,sha256=icNlaniV7YIQZ1BScCVqNaRtm7MAgfw8d3OBmoSVyAY,3096
4
+ MarkupSafe-2.1.5.dist-info/RECORD,,
5
+ MarkupSafe-2.1.5.dist-info/WHEEL,sha256=GZFS91_ufm4WrNPBaFVPB9MvOXR6bMZQhPcZRRTN5YM,100
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+ MarkupSafe-2.1.5.dist-info/top_level.txt,sha256=qy0Plje5IJuvsCBjejJyhDCjEAdcDLK_2agVcex8Z6U,11
7
+ markupsafe/__init__.py,sha256=m1ysNeqf55zbEoJtaovca40ivrkEFolPlw5bGoC5Gi4,11290
8
+ markupsafe/__pycache__/__init__.cpython-39.pyc,,
9
+ markupsafe/__pycache__/_native.cpython-39.pyc,,
10
+ markupsafe/_native.py,sha256=_Q7UsXCOvgdonCgqG3l5asANI6eo50EKnDM-mlwEC5M,1776
11
+ markupsafe/_speedups.c,sha256=n3jzzaJwXcoN8nTFyA53f3vSqsWK2vujI-v6QYifjhQ,7403
12
+ markupsafe/_speedups.cp39-win_amd64.pyd,sha256=mxpVr1JPAspPHonOfxzkg7mQIKFTQuzl9v95Ejv5zks,15872
13
+ markupsafe/_speedups.pyi,sha256=f5QtwIOP0eLrxh2v5p6SmaYmlcHIGIfmz0DovaqL0OU,238
14
+ markupsafe/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
venv/Lib/site-packages/MarkupSafe-2.1.5.dist-info/WHEEL ADDED
@@ -0,0 +1,5 @@
 
 
 
 
 
 
1
+ Wheel-Version: 1.0
2
+ Generator: bdist_wheel (0.42.0)
3
+ Root-Is-Purelib: false
4
+ Tag: cp39-cp39-win_amd64
5
+
venv/Lib/site-packages/MarkupSafe-2.1.5.dist-info/top_level.txt ADDED
@@ -0,0 +1 @@
 
 
1
+ markupsafe
venv/Lib/site-packages/PIL/BdfFontFile.py ADDED
@@ -0,0 +1,133 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # bitmap distribution font (bdf) file parser
6
+ #
7
+ # history:
8
+ # 1996-05-16 fl created (as bdf2pil)
9
+ # 1997-08-25 fl converted to FontFile driver
10
+ # 2001-05-25 fl removed bogus __init__ call
11
+ # 2002-11-20 fl robustification (from Kevin Cazabon, Dmitry Vasiliev)
12
+ # 2003-04-22 fl more robustification (from Graham Dumpleton)
13
+ #
14
+ # Copyright (c) 1997-2003 by Secret Labs AB.
15
+ # Copyright (c) 1997-2003 by Fredrik Lundh.
16
+ #
17
+ # See the README file for information on usage and redistribution.
18
+ #
19
+
20
+ """
21
+ Parse X Bitmap Distribution Format (BDF)
22
+ """
23
+ from __future__ import annotations
24
+
25
+ from typing import BinaryIO
26
+
27
+ from . import FontFile, Image
28
+
29
+ bdf_slant = {
30
+ "R": "Roman",
31
+ "I": "Italic",
32
+ "O": "Oblique",
33
+ "RI": "Reverse Italic",
34
+ "RO": "Reverse Oblique",
35
+ "OT": "Other",
36
+ }
37
+
38
+ bdf_spacing = {"P": "Proportional", "M": "Monospaced", "C": "Cell"}
39
+
40
+
41
+ def bdf_char(
42
+ f: BinaryIO,
43
+ ) -> (
44
+ tuple[
45
+ str,
46
+ int,
47
+ tuple[tuple[int, int], tuple[int, int, int, int], tuple[int, int, int, int]],
48
+ Image.Image,
49
+ ]
50
+ | None
51
+ ):
52
+ # skip to STARTCHAR
53
+ while True:
54
+ s = f.readline()
55
+ if not s:
56
+ return None
57
+ if s[:9] == b"STARTCHAR":
58
+ break
59
+ id = s[9:].strip().decode("ascii")
60
+
61
+ # load symbol properties
62
+ props = {}
63
+ while True:
64
+ s = f.readline()
65
+ if not s or s[:6] == b"BITMAP":
66
+ break
67
+ i = s.find(b" ")
68
+ props[s[:i].decode("ascii")] = s[i + 1 : -1].decode("ascii")
69
+
70
+ # load bitmap
71
+ bitmap = bytearray()
72
+ while True:
73
+ s = f.readline()
74
+ if not s or s[:7] == b"ENDCHAR":
75
+ break
76
+ bitmap += s[:-1]
77
+
78
+ # The word BBX
79
+ # followed by the width in x (BBw), height in y (BBh),
80
+ # and x and y displacement (BBxoff0, BByoff0)
81
+ # of the lower left corner from the origin of the character.
82
+ width, height, x_disp, y_disp = (int(p) for p in props["BBX"].split())
83
+
84
+ # The word DWIDTH
85
+ # followed by the width in x and y of the character in device pixels.
86
+ dwx, dwy = (int(p) for p in props["DWIDTH"].split())
87
+
88
+ bbox = (
89
+ (dwx, dwy),
90
+ (x_disp, -y_disp - height, width + x_disp, -y_disp),
91
+ (0, 0, width, height),
92
+ )
93
+
94
+ try:
95
+ im = Image.frombytes("1", (width, height), bitmap, "hex", "1")
96
+ except ValueError:
97
+ # deal with zero-width characters
98
+ im = Image.new("1", (width, height))
99
+
100
+ return id, int(props["ENCODING"]), bbox, im
101
+
102
+
103
+ class BdfFontFile(FontFile.FontFile):
104
+ """Font file plugin for the X11 BDF format."""
105
+
106
+ def __init__(self, fp: BinaryIO):
107
+ super().__init__()
108
+
109
+ s = fp.readline()
110
+ if s[:13] != b"STARTFONT 2.1":
111
+ msg = "not a valid BDF file"
112
+ raise SyntaxError(msg)
113
+
114
+ props = {}
115
+ comments = []
116
+
117
+ while True:
118
+ s = fp.readline()
119
+ if not s or s[:13] == b"ENDPROPERTIES":
120
+ break
121
+ i = s.find(b" ")
122
+ props[s[:i].decode("ascii")] = s[i + 1 : -1].decode("ascii")
123
+ if s[:i] in [b"COMMENT", b"COPYRIGHT"]:
124
+ if s.find(b"LogicalFontDescription") < 0:
125
+ comments.append(s[i + 1 : -1].decode("ascii"))
126
+
127
+ while True:
128
+ c = bdf_char(fp)
129
+ if not c:
130
+ break
131
+ id, ch, (xy, dst, src), im = c
132
+ if 0 <= ch < len(self.glyph):
133
+ self.glyph[ch] = xy, dst, src, im
venv/Lib/site-packages/PIL/BlpImagePlugin.py ADDED
@@ -0,0 +1,475 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """
2
+ Blizzard Mipmap Format (.blp)
3
+ Jerome Leclanche <jerome@leclan.ch>
4
+
5
+ The contents of this file are hereby released in the public domain (CC0)
6
+ Full text of the CC0 license:
7
+ https://creativecommons.org/publicdomain/zero/1.0/
8
+
9
+ BLP1 files, used mostly in Warcraft III, are not fully supported.
10
+ All types of BLP2 files used in World of Warcraft are supported.
11
+
12
+ The BLP file structure consists of a header, up to 16 mipmaps of the
13
+ texture
14
+
15
+ Texture sizes must be powers of two, though the two dimensions do
16
+ not have to be equal; 512x256 is valid, but 512x200 is not.
17
+ The first mipmap (mipmap #0) is the full size image; each subsequent
18
+ mipmap halves both dimensions. The final mipmap should be 1x1.
19
+
20
+ BLP files come in many different flavours:
21
+ * JPEG-compressed (type == 0) - only supported for BLP1.
22
+ * RAW images (type == 1, encoding == 1). Each mipmap is stored as an
23
+ array of 8-bit values, one per pixel, left to right, top to bottom.
24
+ Each value is an index to the palette.
25
+ * DXT-compressed (type == 1, encoding == 2):
26
+ - DXT1 compression is used if alpha_encoding == 0.
27
+ - An additional alpha bit is used if alpha_depth == 1.
28
+ - DXT3 compression is used if alpha_encoding == 1.
29
+ - DXT5 compression is used if alpha_encoding == 7.
30
+ """
31
+ from __future__ import annotations
32
+
33
+ import os
34
+ import struct
35
+ from enum import IntEnum
36
+ from io import BytesIO
37
+
38
+ from . import Image, ImageFile
39
+
40
+
41
+ class Format(IntEnum):
42
+ JPEG = 0
43
+
44
+
45
+ class Encoding(IntEnum):
46
+ UNCOMPRESSED = 1
47
+ DXT = 2
48
+ UNCOMPRESSED_RAW_BGRA = 3
49
+
50
+
51
+ class AlphaEncoding(IntEnum):
52
+ DXT1 = 0
53
+ DXT3 = 1
54
+ DXT5 = 7
55
+
56
+
57
+ def unpack_565(i):
58
+ return ((i >> 11) & 0x1F) << 3, ((i >> 5) & 0x3F) << 2, (i & 0x1F) << 3
59
+
60
+
61
+ def decode_dxt1(data, alpha=False):
62
+ """
63
+ input: one "row" of data (i.e. will produce 4*width pixels)
64
+ """
65
+
66
+ blocks = len(data) // 8 # number of blocks in row
67
+ ret = (bytearray(), bytearray(), bytearray(), bytearray())
68
+
69
+ for block in range(blocks):
70
+ # Decode next 8-byte block.
71
+ idx = block * 8
72
+ color0, color1, bits = struct.unpack_from("<HHI", data, idx)
73
+
74
+ r0, g0, b0 = unpack_565(color0)
75
+ r1, g1, b1 = unpack_565(color1)
76
+
77
+ # Decode this block into 4x4 pixels
78
+ # Accumulate the results onto our 4 row accumulators
79
+ for j in range(4):
80
+ for i in range(4):
81
+ # get next control op and generate a pixel
82
+
83
+ control = bits & 3
84
+ bits = bits >> 2
85
+
86
+ a = 0xFF
87
+ if control == 0:
88
+ r, g, b = r0, g0, b0
89
+ elif control == 1:
90
+ r, g, b = r1, g1, b1
91
+ elif control == 2:
92
+ if color0 > color1:
93
+ r = (2 * r0 + r1) // 3
94
+ g = (2 * g0 + g1) // 3
95
+ b = (2 * b0 + b1) // 3
96
+ else:
97
+ r = (r0 + r1) // 2
98
+ g = (g0 + g1) // 2
99
+ b = (b0 + b1) // 2
100
+ elif control == 3:
101
+ if color0 > color1:
102
+ r = (2 * r1 + r0) // 3
103
+ g = (2 * g1 + g0) // 3
104
+ b = (2 * b1 + b0) // 3
105
+ else:
106
+ r, g, b, a = 0, 0, 0, 0
107
+
108
+ if alpha:
109
+ ret[j].extend([r, g, b, a])
110
+ else:
111
+ ret[j].extend([r, g, b])
112
+
113
+ return ret
114
+
115
+
116
+ def decode_dxt3(data):
117
+ """
118
+ input: one "row" of data (i.e. will produce 4*width pixels)
119
+ """
120
+
121
+ blocks = len(data) // 16 # number of blocks in row
122
+ ret = (bytearray(), bytearray(), bytearray(), bytearray())
123
+
124
+ for block in range(blocks):
125
+ idx = block * 16
126
+ block = data[idx : idx + 16]
127
+ # Decode next 16-byte block.
128
+ bits = struct.unpack_from("<8B", block)
129
+ color0, color1 = struct.unpack_from("<HH", block, 8)
130
+
131
+ (code,) = struct.unpack_from("<I", block, 12)
132
+
133
+ r0, g0, b0 = unpack_565(color0)
134
+ r1, g1, b1 = unpack_565(color1)
135
+
136
+ for j in range(4):
137
+ high = False # Do we want the higher bits?
138
+ for i in range(4):
139
+ alphacode_index = (4 * j + i) // 2
140
+ a = bits[alphacode_index]
141
+ if high:
142
+ high = False
143
+ a >>= 4
144
+ else:
145
+ high = True
146
+ a &= 0xF
147
+ a *= 17 # We get a value between 0 and 15
148
+
149
+ color_code = (code >> 2 * (4 * j + i)) & 0x03
150
+
151
+ if color_code == 0:
152
+ r, g, b = r0, g0, b0
153
+ elif color_code == 1:
154
+ r, g, b = r1, g1, b1
155
+ elif color_code == 2:
156
+ r = (2 * r0 + r1) // 3
157
+ g = (2 * g0 + g1) // 3
158
+ b = (2 * b0 + b1) // 3
159
+ elif color_code == 3:
160
+ r = (2 * r1 + r0) // 3
161
+ g = (2 * g1 + g0) // 3
162
+ b = (2 * b1 + b0) // 3
163
+
164
+ ret[j].extend([r, g, b, a])
165
+
166
+ return ret
167
+
168
+
169
+ def decode_dxt5(data):
170
+ """
171
+ input: one "row" of data (i.e. will produce 4 * width pixels)
172
+ """
173
+
174
+ blocks = len(data) // 16 # number of blocks in row
175
+ ret = (bytearray(), bytearray(), bytearray(), bytearray())
176
+
177
+ for block in range(blocks):
178
+ idx = block * 16
179
+ block = data[idx : idx + 16]
180
+ # Decode next 16-byte block.
181
+ a0, a1 = struct.unpack_from("<BB", block)
182
+
183
+ bits = struct.unpack_from("<6B", block, 2)
184
+ alphacode1 = bits[2] | (bits[3] << 8) | (bits[4] << 16) | (bits[5] << 24)
185
+ alphacode2 = bits[0] | (bits[1] << 8)
186
+
187
+ color0, color1 = struct.unpack_from("<HH", block, 8)
188
+
189
+ (code,) = struct.unpack_from("<I", block, 12)
190
+
191
+ r0, g0, b0 = unpack_565(color0)
192
+ r1, g1, b1 = unpack_565(color1)
193
+
194
+ for j in range(4):
195
+ for i in range(4):
196
+ # get next control op and generate a pixel
197
+ alphacode_index = 3 * (4 * j + i)
198
+
199
+ if alphacode_index <= 12:
200
+ alphacode = (alphacode2 >> alphacode_index) & 0x07
201
+ elif alphacode_index == 15:
202
+ alphacode = (alphacode2 >> 15) | ((alphacode1 << 1) & 0x06)
203
+ else: # alphacode_index >= 18 and alphacode_index <= 45
204
+ alphacode = (alphacode1 >> (alphacode_index - 16)) & 0x07
205
+
206
+ if alphacode == 0:
207
+ a = a0
208
+ elif alphacode == 1:
209
+ a = a1
210
+ elif a0 > a1:
211
+ a = ((8 - alphacode) * a0 + (alphacode - 1) * a1) // 7
212
+ elif alphacode == 6:
213
+ a = 0
214
+ elif alphacode == 7:
215
+ a = 255
216
+ else:
217
+ a = ((6 - alphacode) * a0 + (alphacode - 1) * a1) // 5
218
+
219
+ color_code = (code >> 2 * (4 * j + i)) & 0x03
220
+
221
+ if color_code == 0:
222
+ r, g, b = r0, g0, b0
223
+ elif color_code == 1:
224
+ r, g, b = r1, g1, b1
225
+ elif color_code == 2:
226
+ r = (2 * r0 + r1) // 3
227
+ g = (2 * g0 + g1) // 3
228
+ b = (2 * b0 + b1) // 3
229
+ elif color_code == 3:
230
+ r = (2 * r1 + r0) // 3
231
+ g = (2 * g1 + g0) // 3
232
+ b = (2 * b1 + b0) // 3
233
+
234
+ ret[j].extend([r, g, b, a])
235
+
236
+ return ret
237
+
238
+
239
+ class BLPFormatError(NotImplementedError):
240
+ pass
241
+
242
+
243
+ def _accept(prefix):
244
+ return prefix[:4] in (b"BLP1", b"BLP2")
245
+
246
+
247
+ class BlpImageFile(ImageFile.ImageFile):
248
+ """
249
+ Blizzard Mipmap Format
250
+ """
251
+
252
+ format = "BLP"
253
+ format_description = "Blizzard Mipmap Format"
254
+
255
+ def _open(self):
256
+ self.magic = self.fp.read(4)
257
+
258
+ self.fp.seek(5, os.SEEK_CUR)
259
+ (self._blp_alpha_depth,) = struct.unpack("<b", self.fp.read(1))
260
+
261
+ self.fp.seek(2, os.SEEK_CUR)
262
+ self._size = struct.unpack("<II", self.fp.read(8))
263
+
264
+ if self.magic in (b"BLP1", b"BLP2"):
265
+ decoder = self.magic.decode()
266
+ else:
267
+ msg = f"Bad BLP magic {repr(self.magic)}"
268
+ raise BLPFormatError(msg)
269
+
270
+ self._mode = "RGBA" if self._blp_alpha_depth else "RGB"
271
+ self.tile = [(decoder, (0, 0) + self.size, 0, (self.mode, 0, 1))]
272
+
273
+
274
+ class _BLPBaseDecoder(ImageFile.PyDecoder):
275
+ _pulls_fd = True
276
+
277
+ def decode(self, buffer):
278
+ try:
279
+ self._read_blp_header()
280
+ self._load()
281
+ except struct.error as e:
282
+ msg = "Truncated BLP file"
283
+ raise OSError(msg) from e
284
+ return -1, 0
285
+
286
+ def _read_blp_header(self):
287
+ self.fd.seek(4)
288
+ (self._blp_compression,) = struct.unpack("<i", self._safe_read(4))
289
+
290
+ (self._blp_encoding,) = struct.unpack("<b", self._safe_read(1))
291
+ (self._blp_alpha_depth,) = struct.unpack("<b", self._safe_read(1))
292
+ (self._blp_alpha_encoding,) = struct.unpack("<b", self._safe_read(1))
293
+ self.fd.seek(1, os.SEEK_CUR) # mips
294
+
295
+ self.size = struct.unpack("<II", self._safe_read(8))
296
+
297
+ if isinstance(self, BLP1Decoder):
298
+ # Only present for BLP1
299
+ (self._blp_encoding,) = struct.unpack("<i", self._safe_read(4))
300
+ self.fd.seek(4, os.SEEK_CUR) # subtype
301
+
302
+ self._blp_offsets = struct.unpack("<16I", self._safe_read(16 * 4))
303
+ self._blp_lengths = struct.unpack("<16I", self._safe_read(16 * 4))
304
+
305
+ def _safe_read(self, length):
306
+ return ImageFile._safe_read(self.fd, length)
307
+
308
+ def _read_palette(self):
309
+ ret = []
310
+ for i in range(256):
311
+ try:
312
+ b, g, r, a = struct.unpack("<4B", self._safe_read(4))
313
+ except struct.error:
314
+ break
315
+ ret.append((b, g, r, a))
316
+ return ret
317
+
318
+ def _read_bgra(self, palette):
319
+ data = bytearray()
320
+ _data = BytesIO(self._safe_read(self._blp_lengths[0]))
321
+ while True:
322
+ try:
323
+ (offset,) = struct.unpack("<B", _data.read(1))
324
+ except struct.error:
325
+ break
326
+ b, g, r, a = palette[offset]
327
+ d = (r, g, b)
328
+ if self._blp_alpha_depth:
329
+ d += (a,)
330
+ data.extend(d)
331
+ return data
332
+
333
+
334
+ class BLP1Decoder(_BLPBaseDecoder):
335
+ def _load(self):
336
+ if self._blp_compression == Format.JPEG:
337
+ self._decode_jpeg_stream()
338
+
339
+ elif self._blp_compression == 1:
340
+ if self._blp_encoding in (4, 5):
341
+ palette = self._read_palette()
342
+ data = self._read_bgra(palette)
343
+ self.set_as_raw(bytes(data))
344
+ else:
345
+ msg = f"Unsupported BLP encoding {repr(self._blp_encoding)}"
346
+ raise BLPFormatError(msg)
347
+ else:
348
+ msg = f"Unsupported BLP compression {repr(self._blp_encoding)}"
349
+ raise BLPFormatError(msg)
350
+
351
+ def _decode_jpeg_stream(self):
352
+ from .JpegImagePlugin import JpegImageFile
353
+
354
+ (jpeg_header_size,) = struct.unpack("<I", self._safe_read(4))
355
+ jpeg_header = self._safe_read(jpeg_header_size)
356
+ self._safe_read(self._blp_offsets[0] - self.fd.tell()) # What IS this?
357
+ data = self._safe_read(self._blp_lengths[0])
358
+ data = jpeg_header + data
359
+ data = BytesIO(data)
360
+ image = JpegImageFile(data)
361
+ Image._decompression_bomb_check(image.size)
362
+ if image.mode == "CMYK":
363
+ decoder_name, extents, offset, args = image.tile[0]
364
+ image.tile = [(decoder_name, extents, offset, (args[0], "CMYK"))]
365
+ r, g, b = image.convert("RGB").split()
366
+ image = Image.merge("RGB", (b, g, r))
367
+ self.set_as_raw(image.tobytes())
368
+
369
+
370
+ class BLP2Decoder(_BLPBaseDecoder):
371
+ def _load(self):
372
+ palette = self._read_palette()
373
+
374
+ self.fd.seek(self._blp_offsets[0])
375
+
376
+ if self._blp_compression == 1:
377
+ # Uncompressed or DirectX compression
378
+
379
+ if self._blp_encoding == Encoding.UNCOMPRESSED:
380
+ data = self._read_bgra(palette)
381
+
382
+ elif self._blp_encoding == Encoding.DXT:
383
+ data = bytearray()
384
+ if self._blp_alpha_encoding == AlphaEncoding.DXT1:
385
+ linesize = (self.size[0] + 3) // 4 * 8
386
+ for yb in range((self.size[1] + 3) // 4):
387
+ for d in decode_dxt1(
388
+ self._safe_read(linesize), alpha=bool(self._blp_alpha_depth)
389
+ ):
390
+ data += d
391
+
392
+ elif self._blp_alpha_encoding == AlphaEncoding.DXT3:
393
+ linesize = (self.size[0] + 3) // 4 * 16
394
+ for yb in range((self.size[1] + 3) // 4):
395
+ for d in decode_dxt3(self._safe_read(linesize)):
396
+ data += d
397
+
398
+ elif self._blp_alpha_encoding == AlphaEncoding.DXT5:
399
+ linesize = (self.size[0] + 3) // 4 * 16
400
+ for yb in range((self.size[1] + 3) // 4):
401
+ for d in decode_dxt5(self._safe_read(linesize)):
402
+ data += d
403
+ else:
404
+ msg = f"Unsupported alpha encoding {repr(self._blp_alpha_encoding)}"
405
+ raise BLPFormatError(msg)
406
+ else:
407
+ msg = f"Unknown BLP encoding {repr(self._blp_encoding)}"
408
+ raise BLPFormatError(msg)
409
+
410
+ else:
411
+ msg = f"Unknown BLP compression {repr(self._blp_compression)}"
412
+ raise BLPFormatError(msg)
413
+
414
+ self.set_as_raw(bytes(data))
415
+
416
+
417
+ class BLPEncoder(ImageFile.PyEncoder):
418
+ _pushes_fd = True
419
+
420
+ def _write_palette(self):
421
+ data = b""
422
+ palette = self.im.getpalette("RGBA", "RGBA")
423
+ for i in range(len(palette) // 4):
424
+ r, g, b, a = palette[i * 4 : (i + 1) * 4]
425
+ data += struct.pack("<4B", b, g, r, a)
426
+ while len(data) < 256 * 4:
427
+ data += b"\x00" * 4
428
+ return data
429
+
430
+ def encode(self, bufsize):
431
+ palette_data = self._write_palette()
432
+
433
+ offset = 20 + 16 * 4 * 2 + len(palette_data)
434
+ data = struct.pack("<16I", offset, *((0,) * 15))
435
+
436
+ w, h = self.im.size
437
+ data += struct.pack("<16I", w * h, *((0,) * 15))
438
+
439
+ data += palette_data
440
+
441
+ for y in range(h):
442
+ for x in range(w):
443
+ data += struct.pack("<B", self.im.getpixel((x, y)))
444
+
445
+ return len(data), 0, data
446
+
447
+
448
+ def _save(im, fp, filename):
449
+ if im.mode != "P":
450
+ msg = "Unsupported BLP image mode"
451
+ raise ValueError(msg)
452
+
453
+ magic = b"BLP1" if im.encoderinfo.get("blp_version") == "BLP1" else b"BLP2"
454
+ fp.write(magic)
455
+
456
+ fp.write(struct.pack("<i", 1)) # Uncompressed or DirectX compression
457
+ fp.write(struct.pack("<b", Encoding.UNCOMPRESSED))
458
+ fp.write(struct.pack("<b", 1 if im.palette.mode == "RGBA" else 0))
459
+ fp.write(struct.pack("<b", 0)) # alpha encoding
460
+ fp.write(struct.pack("<b", 0)) # mips
461
+ fp.write(struct.pack("<II", *im.size))
462
+ if magic == b"BLP1":
463
+ fp.write(struct.pack("<i", 5))
464
+ fp.write(struct.pack("<i", 0))
465
+
466
+ ImageFile._save(im, fp, [("BLP", (0, 0) + im.size, 0, im.mode)])
467
+
468
+
469
+ Image.register_open(BlpImageFile.format, BlpImageFile, _accept)
470
+ Image.register_extension(BlpImageFile.format, ".blp")
471
+ Image.register_decoder("BLP1", BLP1Decoder)
472
+ Image.register_decoder("BLP2", BLP2Decoder)
473
+
474
+ Image.register_save(BlpImageFile.format, _save)
475
+ Image.register_encoder("BLP", BLPEncoder)
venv/Lib/site-packages/PIL/BmpImagePlugin.py ADDED
@@ -0,0 +1,471 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # BMP file handler
6
+ #
7
+ # Windows (and OS/2) native bitmap storage format.
8
+ #
9
+ # history:
10
+ # 1995-09-01 fl Created
11
+ # 1996-04-30 fl Added save
12
+ # 1997-08-27 fl Fixed save of 1-bit images
13
+ # 1998-03-06 fl Load P images as L where possible
14
+ # 1998-07-03 fl Load P images as 1 where possible
15
+ # 1998-12-29 fl Handle small palettes
16
+ # 2002-12-30 fl Fixed load of 1-bit palette images
17
+ # 2003-04-21 fl Fixed load of 1-bit monochrome images
18
+ # 2003-04-23 fl Added limited support for BI_BITFIELDS compression
19
+ #
20
+ # Copyright (c) 1997-2003 by Secret Labs AB
21
+ # Copyright (c) 1995-2003 by Fredrik Lundh
22
+ #
23
+ # See the README file for information on usage and redistribution.
24
+ #
25
+ from __future__ import annotations
26
+
27
+ import os
28
+
29
+ from . import Image, ImageFile, ImagePalette
30
+ from ._binary import i16le as i16
31
+ from ._binary import i32le as i32
32
+ from ._binary import o8
33
+ from ._binary import o16le as o16
34
+ from ._binary import o32le as o32
35
+
36
+ #
37
+ # --------------------------------------------------------------------
38
+ # Read BMP file
39
+
40
+ BIT2MODE = {
41
+ # bits => mode, rawmode
42
+ 1: ("P", "P;1"),
43
+ 4: ("P", "P;4"),
44
+ 8: ("P", "P"),
45
+ 16: ("RGB", "BGR;15"),
46
+ 24: ("RGB", "BGR"),
47
+ 32: ("RGB", "BGRX"),
48
+ }
49
+
50
+
51
+ def _accept(prefix):
52
+ return prefix[:2] == b"BM"
53
+
54
+
55
+ def _dib_accept(prefix):
56
+ return i32(prefix) in [12, 40, 64, 108, 124]
57
+
58
+
59
+ # =============================================================================
60
+ # Image plugin for the Windows BMP format.
61
+ # =============================================================================
62
+ class BmpImageFile(ImageFile.ImageFile):
63
+ """Image plugin for the Windows Bitmap format (BMP)"""
64
+
65
+ # ------------------------------------------------------------- Description
66
+ format_description = "Windows Bitmap"
67
+ format = "BMP"
68
+
69
+ # -------------------------------------------------- BMP Compression values
70
+ COMPRESSIONS = {"RAW": 0, "RLE8": 1, "RLE4": 2, "BITFIELDS": 3, "JPEG": 4, "PNG": 5}
71
+ for k, v in COMPRESSIONS.items():
72
+ vars()[k] = v
73
+
74
+ def _bitmap(self, header=0, offset=0):
75
+ """Read relevant info about the BMP"""
76
+ read, seek = self.fp.read, self.fp.seek
77
+ if header:
78
+ seek(header)
79
+ # read bmp header size @offset 14 (this is part of the header size)
80
+ file_info = {"header_size": i32(read(4)), "direction": -1}
81
+
82
+ # -------------------- If requested, read header at a specific position
83
+ # read the rest of the bmp header, without its size
84
+ header_data = ImageFile._safe_read(self.fp, file_info["header_size"] - 4)
85
+
86
+ # -------------------------------------------------- IBM OS/2 Bitmap v1
87
+ # ----- This format has different offsets because of width/height types
88
+ if file_info["header_size"] == 12:
89
+ file_info["width"] = i16(header_data, 0)
90
+ file_info["height"] = i16(header_data, 2)
91
+ file_info["planes"] = i16(header_data, 4)
92
+ file_info["bits"] = i16(header_data, 6)
93
+ file_info["compression"] = self.RAW
94
+ file_info["palette_padding"] = 3
95
+
96
+ # --------------------------------------------- Windows Bitmap v2 to v5
97
+ # v3, OS/2 v2, v4, v5
98
+ elif file_info["header_size"] in (40, 64, 108, 124):
99
+ file_info["y_flip"] = header_data[7] == 0xFF
100
+ file_info["direction"] = 1 if file_info["y_flip"] else -1
101
+ file_info["width"] = i32(header_data, 0)
102
+ file_info["height"] = (
103
+ i32(header_data, 4)
104
+ if not file_info["y_flip"]
105
+ else 2**32 - i32(header_data, 4)
106
+ )
107
+ file_info["planes"] = i16(header_data, 8)
108
+ file_info["bits"] = i16(header_data, 10)
109
+ file_info["compression"] = i32(header_data, 12)
110
+ # byte size of pixel data
111
+ file_info["data_size"] = i32(header_data, 16)
112
+ file_info["pixels_per_meter"] = (
113
+ i32(header_data, 20),
114
+ i32(header_data, 24),
115
+ )
116
+ file_info["colors"] = i32(header_data, 28)
117
+ file_info["palette_padding"] = 4
118
+ self.info["dpi"] = tuple(x / 39.3701 for x in file_info["pixels_per_meter"])
119
+ if file_info["compression"] == self.BITFIELDS:
120
+ if len(header_data) >= 52:
121
+ for idx, mask in enumerate(
122
+ ["r_mask", "g_mask", "b_mask", "a_mask"]
123
+ ):
124
+ file_info[mask] = i32(header_data, 36 + idx * 4)
125
+ else:
126
+ # 40 byte headers only have the three components in the
127
+ # bitfields masks, ref:
128
+ # https://msdn.microsoft.com/en-us/library/windows/desktop/dd183376(v=vs.85).aspx
129
+ # See also
130
+ # https://github.com/python-pillow/Pillow/issues/1293
131
+ # There is a 4th component in the RGBQuad, in the alpha
132
+ # location, but it is listed as a reserved component,
133
+ # and it is not generally an alpha channel
134
+ file_info["a_mask"] = 0x0
135
+ for mask in ["r_mask", "g_mask", "b_mask"]:
136
+ file_info[mask] = i32(read(4))
137
+ file_info["rgb_mask"] = (
138
+ file_info["r_mask"],
139
+ file_info["g_mask"],
140
+ file_info["b_mask"],
141
+ )
142
+ file_info["rgba_mask"] = (
143
+ file_info["r_mask"],
144
+ file_info["g_mask"],
145
+ file_info["b_mask"],
146
+ file_info["a_mask"],
147
+ )
148
+ else:
149
+ msg = f"Unsupported BMP header type ({file_info['header_size']})"
150
+ raise OSError(msg)
151
+
152
+ # ------------------ Special case : header is reported 40, which
153
+ # ---------------------- is shorter than real size for bpp >= 16
154
+ self._size = file_info["width"], file_info["height"]
155
+
156
+ # ------- If color count was not found in the header, compute from bits
157
+ file_info["colors"] = (
158
+ file_info["colors"]
159
+ if file_info.get("colors", 0)
160
+ else (1 << file_info["bits"])
161
+ )
162
+ if offset == 14 + file_info["header_size"] and file_info["bits"] <= 8:
163
+ offset += 4 * file_info["colors"]
164
+
165
+ # ---------------------- Check bit depth for unusual unsupported values
166
+ self._mode, raw_mode = BIT2MODE.get(file_info["bits"], (None, None))
167
+ if self.mode is None:
168
+ msg = f"Unsupported BMP pixel depth ({file_info['bits']})"
169
+ raise OSError(msg)
170
+
171
+ # ---------------- Process BMP with Bitfields compression (not palette)
172
+ decoder_name = "raw"
173
+ if file_info["compression"] == self.BITFIELDS:
174
+ SUPPORTED = {
175
+ 32: [
176
+ (0xFF0000, 0xFF00, 0xFF, 0x0),
177
+ (0xFF000000, 0xFF0000, 0xFF00, 0x0),
178
+ (0xFF000000, 0xFF0000, 0xFF00, 0xFF),
179
+ (0xFF, 0xFF00, 0xFF0000, 0xFF000000),
180
+ (0xFF0000, 0xFF00, 0xFF, 0xFF000000),
181
+ (0x0, 0x0, 0x0, 0x0),
182
+ ],
183
+ 24: [(0xFF0000, 0xFF00, 0xFF)],
184
+ 16: [(0xF800, 0x7E0, 0x1F), (0x7C00, 0x3E0, 0x1F)],
185
+ }
186
+ MASK_MODES = {
187
+ (32, (0xFF0000, 0xFF00, 0xFF, 0x0)): "BGRX",
188
+ (32, (0xFF000000, 0xFF0000, 0xFF00, 0x0)): "XBGR",
189
+ (32, (0xFF000000, 0xFF0000, 0xFF00, 0xFF)): "ABGR",
190
+ (32, (0xFF, 0xFF00, 0xFF0000, 0xFF000000)): "RGBA",
191
+ (32, (0xFF0000, 0xFF00, 0xFF, 0xFF000000)): "BGRA",
192
+ (32, (0x0, 0x0, 0x0, 0x0)): "BGRA",
193
+ (24, (0xFF0000, 0xFF00, 0xFF)): "BGR",
194
+ (16, (0xF800, 0x7E0, 0x1F)): "BGR;16",
195
+ (16, (0x7C00, 0x3E0, 0x1F)): "BGR;15",
196
+ }
197
+ if file_info["bits"] in SUPPORTED:
198
+ if (
199
+ file_info["bits"] == 32
200
+ and file_info["rgba_mask"] in SUPPORTED[file_info["bits"]]
201
+ ):
202
+ raw_mode = MASK_MODES[(file_info["bits"], file_info["rgba_mask"])]
203
+ self._mode = "RGBA" if "A" in raw_mode else self.mode
204
+ elif (
205
+ file_info["bits"] in (24, 16)
206
+ and file_info["rgb_mask"] in SUPPORTED[file_info["bits"]]
207
+ ):
208
+ raw_mode = MASK_MODES[(file_info["bits"], file_info["rgb_mask"])]
209
+ else:
210
+ msg = "Unsupported BMP bitfields layout"
211
+ raise OSError(msg)
212
+ else:
213
+ msg = "Unsupported BMP bitfields layout"
214
+ raise OSError(msg)
215
+ elif file_info["compression"] == self.RAW:
216
+ if file_info["bits"] == 32 and header == 22: # 32-bit .cur offset
217
+ raw_mode, self._mode = "BGRA", "RGBA"
218
+ elif file_info["compression"] in (self.RLE8, self.RLE4):
219
+ decoder_name = "bmp_rle"
220
+ else:
221
+ msg = f"Unsupported BMP compression ({file_info['compression']})"
222
+ raise OSError(msg)
223
+
224
+ # --------------- Once the header is processed, process the palette/LUT
225
+ if self.mode == "P": # Paletted for 1, 4 and 8 bit images
226
+ # ---------------------------------------------------- 1-bit images
227
+ if not (0 < file_info["colors"] <= 65536):
228
+ msg = f"Unsupported BMP Palette size ({file_info['colors']})"
229
+ raise OSError(msg)
230
+ else:
231
+ padding = file_info["palette_padding"]
232
+ palette = read(padding * file_info["colors"])
233
+ grayscale = True
234
+ indices = (
235
+ (0, 255)
236
+ if file_info["colors"] == 2
237
+ else list(range(file_info["colors"]))
238
+ )
239
+
240
+ # ----------------- Check if grayscale and ignore palette if so
241
+ for ind, val in enumerate(indices):
242
+ rgb = palette[ind * padding : ind * padding + 3]
243
+ if rgb != o8(val) * 3:
244
+ grayscale = False
245
+
246
+ # ------- If all colors are gray, white or black, ditch palette
247
+ if grayscale:
248
+ self._mode = "1" if file_info["colors"] == 2 else "L"
249
+ raw_mode = self.mode
250
+ else:
251
+ self._mode = "P"
252
+ self.palette = ImagePalette.raw(
253
+ "BGRX" if padding == 4 else "BGR", palette
254
+ )
255
+
256
+ # ---------------------------- Finally set the tile data for the plugin
257
+ self.info["compression"] = file_info["compression"]
258
+ args = [raw_mode]
259
+ if decoder_name == "bmp_rle":
260
+ args.append(file_info["compression"] == self.RLE4)
261
+ else:
262
+ args.append(((file_info["width"] * file_info["bits"] + 31) >> 3) & (~3))
263
+ args.append(file_info["direction"])
264
+ self.tile = [
265
+ (
266
+ decoder_name,
267
+ (0, 0, file_info["width"], file_info["height"]),
268
+ offset or self.fp.tell(),
269
+ tuple(args),
270
+ )
271
+ ]
272
+
273
+ def _open(self):
274
+ """Open file, check magic number and read header"""
275
+ # read 14 bytes: magic number, filesize, reserved, header final offset
276
+ head_data = self.fp.read(14)
277
+ # choke if the file does not have the required magic bytes
278
+ if not _accept(head_data):
279
+ msg = "Not a BMP file"
280
+ raise SyntaxError(msg)
281
+ # read the start position of the BMP image data (u32)
282
+ offset = i32(head_data, 10)
283
+ # load bitmap information (offset=raster info)
284
+ self._bitmap(offset=offset)
285
+
286
+
287
+ class BmpRleDecoder(ImageFile.PyDecoder):
288
+ _pulls_fd = True
289
+
290
+ def decode(self, buffer):
291
+ rle4 = self.args[1]
292
+ data = bytearray()
293
+ x = 0
294
+ while len(data) < self.state.xsize * self.state.ysize:
295
+ pixels = self.fd.read(1)
296
+ byte = self.fd.read(1)
297
+ if not pixels or not byte:
298
+ break
299
+ num_pixels = pixels[0]
300
+ if num_pixels:
301
+ # encoded mode
302
+ if x + num_pixels > self.state.xsize:
303
+ # Too much data for row
304
+ num_pixels = max(0, self.state.xsize - x)
305
+ if rle4:
306
+ first_pixel = o8(byte[0] >> 4)
307
+ second_pixel = o8(byte[0] & 0x0F)
308
+ for index in range(num_pixels):
309
+ if index % 2 == 0:
310
+ data += first_pixel
311
+ else:
312
+ data += second_pixel
313
+ else:
314
+ data += byte * num_pixels
315
+ x += num_pixels
316
+ else:
317
+ if byte[0] == 0:
318
+ # end of line
319
+ while len(data) % self.state.xsize != 0:
320
+ data += b"\x00"
321
+ x = 0
322
+ elif byte[0] == 1:
323
+ # end of bitmap
324
+ break
325
+ elif byte[0] == 2:
326
+ # delta
327
+ bytes_read = self.fd.read(2)
328
+ if len(bytes_read) < 2:
329
+ break
330
+ right, up = self.fd.read(2)
331
+ data += b"\x00" * (right + up * self.state.xsize)
332
+ x = len(data) % self.state.xsize
333
+ else:
334
+ # absolute mode
335
+ if rle4:
336
+ # 2 pixels per byte
337
+ byte_count = byte[0] // 2
338
+ bytes_read = self.fd.read(byte_count)
339
+ for byte_read in bytes_read:
340
+ data += o8(byte_read >> 4)
341
+ data += o8(byte_read & 0x0F)
342
+ else:
343
+ byte_count = byte[0]
344
+ bytes_read = self.fd.read(byte_count)
345
+ data += bytes_read
346
+ if len(bytes_read) < byte_count:
347
+ break
348
+ x += byte[0]
349
+
350
+ # align to 16-bit word boundary
351
+ if self.fd.tell() % 2 != 0:
352
+ self.fd.seek(1, os.SEEK_CUR)
353
+ rawmode = "L" if self.mode == "L" else "P"
354
+ self.set_as_raw(bytes(data), (rawmode, 0, self.args[-1]))
355
+ return -1, 0
356
+
357
+
358
+ # =============================================================================
359
+ # Image plugin for the DIB format (BMP alias)
360
+ # =============================================================================
361
+ class DibImageFile(BmpImageFile):
362
+ format = "DIB"
363
+ format_description = "Windows Bitmap"
364
+
365
+ def _open(self):
366
+ self._bitmap()
367
+
368
+
369
+ #
370
+ # --------------------------------------------------------------------
371
+ # Write BMP file
372
+
373
+
374
+ SAVE = {
375
+ "1": ("1", 1, 2),
376
+ "L": ("L", 8, 256),
377
+ "P": ("P", 8, 256),
378
+ "RGB": ("BGR", 24, 0),
379
+ "RGBA": ("BGRA", 32, 0),
380
+ }
381
+
382
+
383
+ def _dib_save(im, fp, filename):
384
+ _save(im, fp, filename, False)
385
+
386
+
387
+ def _save(im, fp, filename, bitmap_header=True):
388
+ try:
389
+ rawmode, bits, colors = SAVE[im.mode]
390
+ except KeyError as e:
391
+ msg = f"cannot write mode {im.mode} as BMP"
392
+ raise OSError(msg) from e
393
+
394
+ info = im.encoderinfo
395
+
396
+ dpi = info.get("dpi", (96, 96))
397
+
398
+ # 1 meter == 39.3701 inches
399
+ ppm = tuple(int(x * 39.3701 + 0.5) for x in dpi)
400
+
401
+ stride = ((im.size[0] * bits + 7) // 8 + 3) & (~3)
402
+ header = 40 # or 64 for OS/2 version 2
403
+ image = stride * im.size[1]
404
+
405
+ if im.mode == "1":
406
+ palette = b"".join(o8(i) * 4 for i in (0, 255))
407
+ elif im.mode == "L":
408
+ palette = b"".join(o8(i) * 4 for i in range(256))
409
+ elif im.mode == "P":
410
+ palette = im.im.getpalette("RGB", "BGRX")
411
+ colors = len(palette) // 4
412
+ else:
413
+ palette = None
414
+
415
+ # bitmap header
416
+ if bitmap_header:
417
+ offset = 14 + header + colors * 4
418
+ file_size = offset + image
419
+ if file_size > 2**32 - 1:
420
+ msg = "File size is too large for the BMP format"
421
+ raise ValueError(msg)
422
+ fp.write(
423
+ b"BM" # file type (magic)
424
+ + o32(file_size) # file size
425
+ + o32(0) # reserved
426
+ + o32(offset) # image data offset
427
+ )
428
+
429
+ # bitmap info header
430
+ fp.write(
431
+ o32(header) # info header size
432
+ + o32(im.size[0]) # width
433
+ + o32(im.size[1]) # height
434
+ + o16(1) # planes
435
+ + o16(bits) # depth
436
+ + o32(0) # compression (0=uncompressed)
437
+ + o32(image) # size of bitmap
438
+ + o32(ppm[0]) # resolution
439
+ + o32(ppm[1]) # resolution
440
+ + o32(colors) # colors used
441
+ + o32(colors) # colors important
442
+ )
443
+
444
+ fp.write(b"\0" * (header - 40)) # padding (for OS/2 format)
445
+
446
+ if palette:
447
+ fp.write(palette)
448
+
449
+ ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, stride, -1))])
450
+
451
+
452
+ #
453
+ # --------------------------------------------------------------------
454
+ # Registry
455
+
456
+
457
+ Image.register_open(BmpImageFile.format, BmpImageFile, _accept)
458
+ Image.register_save(BmpImageFile.format, _save)
459
+
460
+ Image.register_extension(BmpImageFile.format, ".bmp")
461
+
462
+ Image.register_mime(BmpImageFile.format, "image/bmp")
463
+
464
+ Image.register_decoder("bmp_rle", BmpRleDecoder)
465
+
466
+ Image.register_open(DibImageFile.format, DibImageFile, _dib_accept)
467
+ Image.register_save(DibImageFile.format, _dib_save)
468
+
469
+ Image.register_extension(DibImageFile.format, ".dib")
470
+
471
+ Image.register_mime(DibImageFile.format, "image/bmp")
venv/Lib/site-packages/PIL/BufrStubImagePlugin.py ADDED
@@ -0,0 +1,74 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # BUFR stub adapter
6
+ #
7
+ # Copyright (c) 1996-2003 by Fredrik Lundh
8
+ #
9
+ # See the README file for information on usage and redistribution.
10
+ #
11
+ from __future__ import annotations
12
+
13
+ from . import Image, ImageFile
14
+
15
+ _handler = None
16
+
17
+
18
+ def register_handler(handler):
19
+ """
20
+ Install application-specific BUFR image handler.
21
+
22
+ :param handler: Handler object.
23
+ """
24
+ global _handler
25
+ _handler = handler
26
+
27
+
28
+ # --------------------------------------------------------------------
29
+ # Image adapter
30
+
31
+
32
+ def _accept(prefix):
33
+ return prefix[:4] == b"BUFR" or prefix[:4] == b"ZCZC"
34
+
35
+
36
+ class BufrStubImageFile(ImageFile.StubImageFile):
37
+ format = "BUFR"
38
+ format_description = "BUFR"
39
+
40
+ def _open(self):
41
+ offset = self.fp.tell()
42
+
43
+ if not _accept(self.fp.read(4)):
44
+ msg = "Not a BUFR file"
45
+ raise SyntaxError(msg)
46
+
47
+ self.fp.seek(offset)
48
+
49
+ # make something up
50
+ self._mode = "F"
51
+ self._size = 1, 1
52
+
53
+ loader = self._load()
54
+ if loader:
55
+ loader.open(self)
56
+
57
+ def _load(self):
58
+ return _handler
59
+
60
+
61
+ def _save(im, fp, filename):
62
+ if _handler is None or not hasattr(_handler, "save"):
63
+ msg = "BUFR save handler not installed"
64
+ raise OSError(msg)
65
+ _handler.save(im, fp, filename)
66
+
67
+
68
+ # --------------------------------------------------------------------
69
+ # Registry
70
+
71
+ Image.register_open(BufrStubImageFile.format, BufrStubImageFile, _accept)
72
+ Image.register_save(BufrStubImageFile.format, _save)
73
+
74
+ Image.register_extension(BufrStubImageFile.format, ".bufr")
venv/Lib/site-packages/PIL/ContainerIO.py ADDED
@@ -0,0 +1,121 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # a class to read from a container file
6
+ #
7
+ # History:
8
+ # 1995-06-18 fl Created
9
+ # 1995-09-07 fl Added readline(), readlines()
10
+ #
11
+ # Copyright (c) 1997-2001 by Secret Labs AB
12
+ # Copyright (c) 1995 by Fredrik Lundh
13
+ #
14
+ # See the README file for information on usage and redistribution.
15
+ #
16
+ from __future__ import annotations
17
+
18
+ import io
19
+ from typing import IO, AnyStr, Generic, Literal
20
+
21
+
22
+ class ContainerIO(Generic[AnyStr]):
23
+ """
24
+ A file object that provides read access to a part of an existing
25
+ file (for example a TAR file).
26
+ """
27
+
28
+ def __init__(self, file: IO[AnyStr], offset: int, length: int) -> None:
29
+ """
30
+ Create file object.
31
+
32
+ :param file: Existing file.
33
+ :param offset: Start of region, in bytes.
34
+ :param length: Size of region, in bytes.
35
+ """
36
+ self.fh: IO[AnyStr] = file
37
+ self.pos = 0
38
+ self.offset = offset
39
+ self.length = length
40
+ self.fh.seek(offset)
41
+
42
+ ##
43
+ # Always false.
44
+
45
+ def isatty(self) -> bool:
46
+ return False
47
+
48
+ def seek(self, offset: int, mode: Literal[0, 1, 2] = io.SEEK_SET) -> None:
49
+ """
50
+ Move file pointer.
51
+
52
+ :param offset: Offset in bytes.
53
+ :param mode: Starting position. Use 0 for beginning of region, 1
54
+ for current offset, and 2 for end of region. You cannot move
55
+ the pointer outside the defined region.
56
+ """
57
+ if mode == 1:
58
+ self.pos = self.pos + offset
59
+ elif mode == 2:
60
+ self.pos = self.length + offset
61
+ else:
62
+ self.pos = offset
63
+ # clamp
64
+ self.pos = max(0, min(self.pos, self.length))
65
+ self.fh.seek(self.offset + self.pos)
66
+
67
+ def tell(self) -> int:
68
+ """
69
+ Get current file pointer.
70
+
71
+ :returns: Offset from start of region, in bytes.
72
+ """
73
+ return self.pos
74
+
75
+ def read(self, n: int = 0) -> AnyStr:
76
+ """
77
+ Read data.
78
+
79
+ :param n: Number of bytes to read. If omitted or zero,
80
+ read until end of region.
81
+ :returns: An 8-bit string.
82
+ """
83
+ if n:
84
+ n = min(n, self.length - self.pos)
85
+ else:
86
+ n = self.length - self.pos
87
+ if not n: # EOF
88
+ return b"" if "b" in self.fh.mode else "" # type: ignore[return-value]
89
+ self.pos = self.pos + n
90
+ return self.fh.read(n)
91
+
92
+ def readline(self) -> AnyStr:
93
+ """
94
+ Read a line of text.
95
+
96
+ :returns: An 8-bit string.
97
+ """
98
+ s: AnyStr = b"" if "b" in self.fh.mode else "" # type: ignore[assignment]
99
+ newline_character = b"\n" if "b" in self.fh.mode else "\n"
100
+ while True:
101
+ c = self.read(1)
102
+ if not c:
103
+ break
104
+ s = s + c
105
+ if c == newline_character:
106
+ break
107
+ return s
108
+
109
+ def readlines(self) -> list[AnyStr]:
110
+ """
111
+ Read multiple lines of text.
112
+
113
+ :returns: A list of 8-bit strings.
114
+ """
115
+ lines = []
116
+ while True:
117
+ s = self.readline()
118
+ if not s:
119
+ break
120
+ lines.append(s)
121
+ return lines
venv/Lib/site-packages/PIL/CurImagePlugin.py ADDED
@@ -0,0 +1,75 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # Windows Cursor support for PIL
6
+ #
7
+ # notes:
8
+ # uses BmpImagePlugin.py to read the bitmap data.
9
+ #
10
+ # history:
11
+ # 96-05-27 fl Created
12
+ #
13
+ # Copyright (c) Secret Labs AB 1997.
14
+ # Copyright (c) Fredrik Lundh 1996.
15
+ #
16
+ # See the README file for information on usage and redistribution.
17
+ #
18
+ from __future__ import annotations
19
+
20
+ from . import BmpImagePlugin, Image
21
+ from ._binary import i16le as i16
22
+ from ._binary import i32le as i32
23
+
24
+ #
25
+ # --------------------------------------------------------------------
26
+
27
+
28
+ def _accept(prefix):
29
+ return prefix[:4] == b"\0\0\2\0"
30
+
31
+
32
+ ##
33
+ # Image plugin for Windows Cursor files.
34
+
35
+
36
+ class CurImageFile(BmpImagePlugin.BmpImageFile):
37
+ format = "CUR"
38
+ format_description = "Windows Cursor"
39
+
40
+ def _open(self):
41
+ offset = self.fp.tell()
42
+
43
+ # check magic
44
+ s = self.fp.read(6)
45
+ if not _accept(s):
46
+ msg = "not a CUR file"
47
+ raise SyntaxError(msg)
48
+
49
+ # pick the largest cursor in the file
50
+ m = b""
51
+ for i in range(i16(s, 4)):
52
+ s = self.fp.read(16)
53
+ if not m:
54
+ m = s
55
+ elif s[0] > m[0] and s[1] > m[1]:
56
+ m = s
57
+ if not m:
58
+ msg = "No cursors were found"
59
+ raise TypeError(msg)
60
+
61
+ # load as bitmap
62
+ self._bitmap(i32(m, 12) + offset)
63
+
64
+ # patch up the bitmap height
65
+ self._size = self.size[0], self.size[1] // 2
66
+ d, e, o, a = self.tile[0]
67
+ self.tile[0] = d, (0, 0) + self.size, o, a
68
+
69
+
70
+ #
71
+ # --------------------------------------------------------------------
72
+
73
+ Image.register_open(CurImageFile.format, CurImageFile, _accept)
74
+
75
+ Image.register_extension(CurImageFile.format, ".cur")
venv/Lib/site-packages/PIL/DcxImagePlugin.py ADDED
@@ -0,0 +1,80 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # DCX file handling
6
+ #
7
+ # DCX is a container file format defined by Intel, commonly used
8
+ # for fax applications. Each DCX file consists of a directory
9
+ # (a list of file offsets) followed by a set of (usually 1-bit)
10
+ # PCX files.
11
+ #
12
+ # History:
13
+ # 1995-09-09 fl Created
14
+ # 1996-03-20 fl Properly derived from PcxImageFile.
15
+ # 1998-07-15 fl Renamed offset attribute to avoid name clash
16
+ # 2002-07-30 fl Fixed file handling
17
+ #
18
+ # Copyright (c) 1997-98 by Secret Labs AB.
19
+ # Copyright (c) 1995-96 by Fredrik Lundh.
20
+ #
21
+ # See the README file for information on usage and redistribution.
22
+ #
23
+ from __future__ import annotations
24
+
25
+ from . import Image
26
+ from ._binary import i32le as i32
27
+ from .PcxImagePlugin import PcxImageFile
28
+
29
+ MAGIC = 0x3ADE68B1 # QUIZ: what's this value, then?
30
+
31
+
32
+ def _accept(prefix):
33
+ return len(prefix) >= 4 and i32(prefix) == MAGIC
34
+
35
+
36
+ ##
37
+ # Image plugin for the Intel DCX format.
38
+
39
+
40
+ class DcxImageFile(PcxImageFile):
41
+ format = "DCX"
42
+ format_description = "Intel DCX"
43
+ _close_exclusive_fp_after_loading = False
44
+
45
+ def _open(self):
46
+ # Header
47
+ s = self.fp.read(4)
48
+ if not _accept(s):
49
+ msg = "not a DCX file"
50
+ raise SyntaxError(msg)
51
+
52
+ # Component directory
53
+ self._offset = []
54
+ for i in range(1024):
55
+ offset = i32(self.fp.read(4))
56
+ if not offset:
57
+ break
58
+ self._offset.append(offset)
59
+
60
+ self._fp = self.fp
61
+ self.frame = None
62
+ self.n_frames = len(self._offset)
63
+ self.is_animated = self.n_frames > 1
64
+ self.seek(0)
65
+
66
+ def seek(self, frame):
67
+ if not self._seek_check(frame):
68
+ return
69
+ self.frame = frame
70
+ self.fp = self._fp
71
+ self.fp.seek(self._offset[frame])
72
+ PcxImageFile._open(self)
73
+
74
+ def tell(self):
75
+ return self.frame
76
+
77
+
78
+ Image.register_open(DcxImageFile.format, DcxImageFile, _accept)
79
+
80
+ Image.register_extension(DcxImageFile.format, ".dcx")
venv/Lib/site-packages/PIL/DdsImagePlugin.py ADDED
@@ -0,0 +1,566 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """
2
+ A Pillow loader for .dds files (S3TC-compressed aka DXTC)
3
+ Jerome Leclanche <jerome@leclan.ch>
4
+
5
+ Documentation:
6
+ https://web.archive.org/web/20170802060935/http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt
7
+
8
+ The contents of this file are hereby released in the public domain (CC0)
9
+ Full text of the CC0 license:
10
+ https://creativecommons.org/publicdomain/zero/1.0/
11
+ """
12
+ from __future__ import annotations
13
+
14
+ import io
15
+ import struct
16
+ import sys
17
+ from enum import IntEnum, IntFlag
18
+
19
+ from . import Image, ImageFile, ImagePalette
20
+ from ._binary import i32le as i32
21
+ from ._binary import o8
22
+ from ._binary import o32le as o32
23
+
24
+ # Magic ("DDS ")
25
+ DDS_MAGIC = 0x20534444
26
+
27
+
28
+ # DDS flags
29
+ class DDSD(IntFlag):
30
+ CAPS = 0x1
31
+ HEIGHT = 0x2
32
+ WIDTH = 0x4
33
+ PITCH = 0x8
34
+ PIXELFORMAT = 0x1000
35
+ MIPMAPCOUNT = 0x20000
36
+ LINEARSIZE = 0x80000
37
+ DEPTH = 0x800000
38
+
39
+
40
+ # DDS caps
41
+ class DDSCAPS(IntFlag):
42
+ COMPLEX = 0x8
43
+ TEXTURE = 0x1000
44
+ MIPMAP = 0x400000
45
+
46
+
47
+ class DDSCAPS2(IntFlag):
48
+ CUBEMAP = 0x200
49
+ CUBEMAP_POSITIVEX = 0x400
50
+ CUBEMAP_NEGATIVEX = 0x800
51
+ CUBEMAP_POSITIVEY = 0x1000
52
+ CUBEMAP_NEGATIVEY = 0x2000
53
+ CUBEMAP_POSITIVEZ = 0x4000
54
+ CUBEMAP_NEGATIVEZ = 0x8000
55
+ VOLUME = 0x200000
56
+
57
+
58
+ # Pixel Format
59
+ class DDPF(IntFlag):
60
+ ALPHAPIXELS = 0x1
61
+ ALPHA = 0x2
62
+ FOURCC = 0x4
63
+ PALETTEINDEXED8 = 0x20
64
+ RGB = 0x40
65
+ LUMINANCE = 0x20000
66
+
67
+
68
+ # dxgiformat.h
69
+ class DXGI_FORMAT(IntEnum):
70
+ UNKNOWN = 0
71
+ R32G32B32A32_TYPELESS = 1
72
+ R32G32B32A32_FLOAT = 2
73
+ R32G32B32A32_UINT = 3
74
+ R32G32B32A32_SINT = 4
75
+ R32G32B32_TYPELESS = 5
76
+ R32G32B32_FLOAT = 6
77
+ R32G32B32_UINT = 7
78
+ R32G32B32_SINT = 8
79
+ R16G16B16A16_TYPELESS = 9
80
+ R16G16B16A16_FLOAT = 10
81
+ R16G16B16A16_UNORM = 11
82
+ R16G16B16A16_UINT = 12
83
+ R16G16B16A16_SNORM = 13
84
+ R16G16B16A16_SINT = 14
85
+ R32G32_TYPELESS = 15
86
+ R32G32_FLOAT = 16
87
+ R32G32_UINT = 17
88
+ R32G32_SINT = 18
89
+ R32G8X24_TYPELESS = 19
90
+ D32_FLOAT_S8X24_UINT = 20
91
+ R32_FLOAT_X8X24_TYPELESS = 21
92
+ X32_TYPELESS_G8X24_UINT = 22
93
+ R10G10B10A2_TYPELESS = 23
94
+ R10G10B10A2_UNORM = 24
95
+ R10G10B10A2_UINT = 25
96
+ R11G11B10_FLOAT = 26
97
+ R8G8B8A8_TYPELESS = 27
98
+ R8G8B8A8_UNORM = 28
99
+ R8G8B8A8_UNORM_SRGB = 29
100
+ R8G8B8A8_UINT = 30
101
+ R8G8B8A8_SNORM = 31
102
+ R8G8B8A8_SINT = 32
103
+ R16G16_TYPELESS = 33
104
+ R16G16_FLOAT = 34
105
+ R16G16_UNORM = 35
106
+ R16G16_UINT = 36
107
+ R16G16_SNORM = 37
108
+ R16G16_SINT = 38
109
+ R32_TYPELESS = 39
110
+ D32_FLOAT = 40
111
+ R32_FLOAT = 41
112
+ R32_UINT = 42
113
+ R32_SINT = 43
114
+ R24G8_TYPELESS = 44
115
+ D24_UNORM_S8_UINT = 45
116
+ R24_UNORM_X8_TYPELESS = 46
117
+ X24_TYPELESS_G8_UINT = 47
118
+ R8G8_TYPELESS = 48
119
+ R8G8_UNORM = 49
120
+ R8G8_UINT = 50
121
+ R8G8_SNORM = 51
122
+ R8G8_SINT = 52
123
+ R16_TYPELESS = 53
124
+ R16_FLOAT = 54
125
+ D16_UNORM = 55
126
+ R16_UNORM = 56
127
+ R16_UINT = 57
128
+ R16_SNORM = 58
129
+ R16_SINT = 59
130
+ R8_TYPELESS = 60
131
+ R8_UNORM = 61
132
+ R8_UINT = 62
133
+ R8_SNORM = 63
134
+ R8_SINT = 64
135
+ A8_UNORM = 65
136
+ R1_UNORM = 66
137
+ R9G9B9E5_SHAREDEXP = 67
138
+ R8G8_B8G8_UNORM = 68
139
+ G8R8_G8B8_UNORM = 69
140
+ BC1_TYPELESS = 70
141
+ BC1_UNORM = 71
142
+ BC1_UNORM_SRGB = 72
143
+ BC2_TYPELESS = 73
144
+ BC2_UNORM = 74
145
+ BC2_UNORM_SRGB = 75
146
+ BC3_TYPELESS = 76
147
+ BC3_UNORM = 77
148
+ BC3_UNORM_SRGB = 78
149
+ BC4_TYPELESS = 79
150
+ BC4_UNORM = 80
151
+ BC4_SNORM = 81
152
+ BC5_TYPELESS = 82
153
+ BC5_UNORM = 83
154
+ BC5_SNORM = 84
155
+ B5G6R5_UNORM = 85
156
+ B5G5R5A1_UNORM = 86
157
+ B8G8R8A8_UNORM = 87
158
+ B8G8R8X8_UNORM = 88
159
+ R10G10B10_XR_BIAS_A2_UNORM = 89
160
+ B8G8R8A8_TYPELESS = 90
161
+ B8G8R8A8_UNORM_SRGB = 91
162
+ B8G8R8X8_TYPELESS = 92
163
+ B8G8R8X8_UNORM_SRGB = 93
164
+ BC6H_TYPELESS = 94
165
+ BC6H_UF16 = 95
166
+ BC6H_SF16 = 96
167
+ BC7_TYPELESS = 97
168
+ BC7_UNORM = 98
169
+ BC7_UNORM_SRGB = 99
170
+ AYUV = 100
171
+ Y410 = 101
172
+ Y416 = 102
173
+ NV12 = 103
174
+ P010 = 104
175
+ P016 = 105
176
+ OPAQUE_420 = 106
177
+ YUY2 = 107
178
+ Y210 = 108
179
+ Y216 = 109
180
+ NV11 = 110
181
+ AI44 = 111
182
+ IA44 = 112
183
+ P8 = 113
184
+ A8P8 = 114
185
+ B4G4R4A4_UNORM = 115
186
+ P208 = 130
187
+ V208 = 131
188
+ V408 = 132
189
+ SAMPLER_FEEDBACK_MIN_MIP_OPAQUE = 189
190
+ SAMPLER_FEEDBACK_MIP_REGION_USED_OPAQUE = 190
191
+
192
+
193
+ class D3DFMT(IntEnum):
194
+ UNKNOWN = 0
195
+ R8G8B8 = 20
196
+ A8R8G8B8 = 21
197
+ X8R8G8B8 = 22
198
+ R5G6B5 = 23
199
+ X1R5G5B5 = 24
200
+ A1R5G5B5 = 25
201
+ A4R4G4B4 = 26
202
+ R3G3B2 = 27
203
+ A8 = 28
204
+ A8R3G3B2 = 29
205
+ X4R4G4B4 = 30
206
+ A2B10G10R10 = 31
207
+ A8B8G8R8 = 32
208
+ X8B8G8R8 = 33
209
+ G16R16 = 34
210
+ A2R10G10B10 = 35
211
+ A16B16G16R16 = 36
212
+ A8P8 = 40
213
+ P8 = 41
214
+ L8 = 50
215
+ A8L8 = 51
216
+ A4L4 = 52
217
+ V8U8 = 60
218
+ L6V5U5 = 61
219
+ X8L8V8U8 = 62
220
+ Q8W8V8U8 = 63
221
+ V16U16 = 64
222
+ A2W10V10U10 = 67
223
+ D16_LOCKABLE = 70
224
+ D32 = 71
225
+ D15S1 = 73
226
+ D24S8 = 75
227
+ D24X8 = 77
228
+ D24X4S4 = 79
229
+ D16 = 80
230
+ D32F_LOCKABLE = 82
231
+ D24FS8 = 83
232
+ D32_LOCKABLE = 84
233
+ S8_LOCKABLE = 85
234
+ L16 = 81
235
+ VERTEXDATA = 100
236
+ INDEX16 = 101
237
+ INDEX32 = 102
238
+ Q16W16V16U16 = 110
239
+ R16F = 111
240
+ G16R16F = 112
241
+ A16B16G16R16F = 113
242
+ R32F = 114
243
+ G32R32F = 115
244
+ A32B32G32R32F = 116
245
+ CxV8U8 = 117
246
+ A1 = 118
247
+ A2B10G10R10_XR_BIAS = 119
248
+ BINARYBUFFER = 199
249
+
250
+ UYVY = i32(b"UYVY")
251
+ R8G8_B8G8 = i32(b"RGBG")
252
+ YUY2 = i32(b"YUY2")
253
+ G8R8_G8B8 = i32(b"GRGB")
254
+ DXT1 = i32(b"DXT1")
255
+ DXT2 = i32(b"DXT2")
256
+ DXT3 = i32(b"DXT3")
257
+ DXT4 = i32(b"DXT4")
258
+ DXT5 = i32(b"DXT5")
259
+ DX10 = i32(b"DX10")
260
+ BC4S = i32(b"BC4S")
261
+ BC4U = i32(b"BC4U")
262
+ BC5S = i32(b"BC5S")
263
+ BC5U = i32(b"BC5U")
264
+ ATI1 = i32(b"ATI1")
265
+ ATI2 = i32(b"ATI2")
266
+ MULTI2_ARGB8 = i32(b"MET1")
267
+
268
+
269
+ # Backward compatibility layer
270
+ module = sys.modules[__name__]
271
+ for item in DDSD:
272
+ setattr(module, "DDSD_" + item.name, item.value)
273
+ for item in DDSCAPS:
274
+ setattr(module, "DDSCAPS_" + item.name, item.value)
275
+ for item in DDSCAPS2:
276
+ setattr(module, "DDSCAPS2_" + item.name, item.value)
277
+ for item in DDPF:
278
+ setattr(module, "DDPF_" + item.name, item.value)
279
+
280
+ DDS_FOURCC = DDPF.FOURCC
281
+ DDS_RGB = DDPF.RGB
282
+ DDS_RGBA = DDPF.RGB | DDPF.ALPHAPIXELS
283
+ DDS_LUMINANCE = DDPF.LUMINANCE
284
+ DDS_LUMINANCEA = DDPF.LUMINANCE | DDPF.ALPHAPIXELS
285
+ DDS_ALPHA = DDPF.ALPHA
286
+ DDS_PAL8 = DDPF.PALETTEINDEXED8
287
+
288
+ DDS_HEADER_FLAGS_TEXTURE = DDSD.CAPS | DDSD.HEIGHT | DDSD.WIDTH | DDSD.PIXELFORMAT
289
+ DDS_HEADER_FLAGS_MIPMAP = DDSD.MIPMAPCOUNT
290
+ DDS_HEADER_FLAGS_VOLUME = DDSD.DEPTH
291
+ DDS_HEADER_FLAGS_PITCH = DDSD.PITCH
292
+ DDS_HEADER_FLAGS_LINEARSIZE = DDSD.LINEARSIZE
293
+
294
+ DDS_HEIGHT = DDSD.HEIGHT
295
+ DDS_WIDTH = DDSD.WIDTH
296
+
297
+ DDS_SURFACE_FLAGS_TEXTURE = DDSCAPS.TEXTURE
298
+ DDS_SURFACE_FLAGS_MIPMAP = DDSCAPS.COMPLEX | DDSCAPS.MIPMAP
299
+ DDS_SURFACE_FLAGS_CUBEMAP = DDSCAPS.COMPLEX
300
+
301
+ DDS_CUBEMAP_POSITIVEX = DDSCAPS2.CUBEMAP | DDSCAPS2.CUBEMAP_POSITIVEX
302
+ DDS_CUBEMAP_NEGATIVEX = DDSCAPS2.CUBEMAP | DDSCAPS2.CUBEMAP_NEGATIVEX
303
+ DDS_CUBEMAP_POSITIVEY = DDSCAPS2.CUBEMAP | DDSCAPS2.CUBEMAP_POSITIVEY
304
+ DDS_CUBEMAP_NEGATIVEY = DDSCAPS2.CUBEMAP | DDSCAPS2.CUBEMAP_NEGATIVEY
305
+ DDS_CUBEMAP_POSITIVEZ = DDSCAPS2.CUBEMAP | DDSCAPS2.CUBEMAP_POSITIVEZ
306
+ DDS_CUBEMAP_NEGATIVEZ = DDSCAPS2.CUBEMAP | DDSCAPS2.CUBEMAP_NEGATIVEZ
307
+
308
+ DXT1_FOURCC = D3DFMT.DXT1
309
+ DXT3_FOURCC = D3DFMT.DXT3
310
+ DXT5_FOURCC = D3DFMT.DXT5
311
+
312
+ DXGI_FORMAT_R8G8B8A8_TYPELESS = DXGI_FORMAT.R8G8B8A8_TYPELESS
313
+ DXGI_FORMAT_R8G8B8A8_UNORM = DXGI_FORMAT.R8G8B8A8_UNORM
314
+ DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = DXGI_FORMAT.R8G8B8A8_UNORM_SRGB
315
+ DXGI_FORMAT_BC5_TYPELESS = DXGI_FORMAT.BC5_TYPELESS
316
+ DXGI_FORMAT_BC5_UNORM = DXGI_FORMAT.BC5_UNORM
317
+ DXGI_FORMAT_BC5_SNORM = DXGI_FORMAT.BC5_SNORM
318
+ DXGI_FORMAT_BC6H_UF16 = DXGI_FORMAT.BC6H_UF16
319
+ DXGI_FORMAT_BC6H_SF16 = DXGI_FORMAT.BC6H_SF16
320
+ DXGI_FORMAT_BC7_TYPELESS = DXGI_FORMAT.BC7_TYPELESS
321
+ DXGI_FORMAT_BC7_UNORM = DXGI_FORMAT.BC7_UNORM
322
+ DXGI_FORMAT_BC7_UNORM_SRGB = DXGI_FORMAT.BC7_UNORM_SRGB
323
+
324
+
325
+ class DdsImageFile(ImageFile.ImageFile):
326
+ format = "DDS"
327
+ format_description = "DirectDraw Surface"
328
+
329
+ def _open(self):
330
+ if not _accept(self.fp.read(4)):
331
+ msg = "not a DDS file"
332
+ raise SyntaxError(msg)
333
+ (header_size,) = struct.unpack("<I", self.fp.read(4))
334
+ if header_size != 124:
335
+ msg = f"Unsupported header size {repr(header_size)}"
336
+ raise OSError(msg)
337
+ header_bytes = self.fp.read(header_size - 4)
338
+ if len(header_bytes) != 120:
339
+ msg = f"Incomplete header: {len(header_bytes)} bytes"
340
+ raise OSError(msg)
341
+ header = io.BytesIO(header_bytes)
342
+
343
+ flags, height, width = struct.unpack("<3I", header.read(12))
344
+ self._size = (width, height)
345
+ extents = (0, 0) + self.size
346
+
347
+ pitch, depth, mipmaps = struct.unpack("<3I", header.read(12))
348
+ struct.unpack("<11I", header.read(44)) # reserved
349
+
350
+ # pixel format
351
+ pfsize, pfflags, fourcc, bitcount = struct.unpack("<4I", header.read(16))
352
+ n = 0
353
+ rawmode = None
354
+ if pfflags & DDPF.RGB:
355
+ # Texture contains uncompressed RGB data
356
+ if pfflags & DDPF.ALPHAPIXELS:
357
+ self._mode = "RGBA"
358
+ mask_count = 4
359
+ else:
360
+ self._mode = "RGB"
361
+ mask_count = 3
362
+
363
+ masks = struct.unpack(f"<{mask_count}I", header.read(mask_count * 4))
364
+ self.tile = [("dds_rgb", extents, 0, (bitcount, masks))]
365
+ return
366
+ elif pfflags & DDPF.LUMINANCE:
367
+ if bitcount == 8:
368
+ self._mode = "L"
369
+ elif bitcount == 16 and pfflags & DDPF.ALPHAPIXELS:
370
+ self._mode = "LA"
371
+ else:
372
+ msg = f"Unsupported bitcount {bitcount} for {pfflags}"
373
+ raise OSError(msg)
374
+ elif pfflags & DDPF.PALETTEINDEXED8:
375
+ self._mode = "P"
376
+ self.palette = ImagePalette.raw("RGBA", self.fp.read(1024))
377
+ elif pfflags & DDPF.FOURCC:
378
+ offset = header_size + 4
379
+ if fourcc == D3DFMT.DXT1:
380
+ self._mode = "RGBA"
381
+ self.pixel_format = "DXT1"
382
+ n = 1
383
+ elif fourcc == D3DFMT.DXT3:
384
+ self._mode = "RGBA"
385
+ self.pixel_format = "DXT3"
386
+ n = 2
387
+ elif fourcc == D3DFMT.DXT5:
388
+ self._mode = "RGBA"
389
+ self.pixel_format = "DXT5"
390
+ n = 3
391
+ elif fourcc in (D3DFMT.BC4U, D3DFMT.ATI1):
392
+ self._mode = "L"
393
+ self.pixel_format = "BC4"
394
+ n = 4
395
+ elif fourcc == D3DFMT.BC5S:
396
+ self._mode = "RGB"
397
+ self.pixel_format = "BC5S"
398
+ n = 5
399
+ elif fourcc in (D3DFMT.BC5U, D3DFMT.ATI2):
400
+ self._mode = "RGB"
401
+ self.pixel_format = "BC5"
402
+ n = 5
403
+ elif fourcc == D3DFMT.DX10:
404
+ offset += 20
405
+ # ignoring flags which pertain to volume textures and cubemaps
406
+ (dxgi_format,) = struct.unpack("<I", self.fp.read(4))
407
+ self.fp.read(16)
408
+ if dxgi_format in (
409
+ DXGI_FORMAT.BC1_UNORM,
410
+ DXGI_FORMAT.BC1_TYPELESS,
411
+ ):
412
+ self._mode = "RGBA"
413
+ self.pixel_format = "BC1"
414
+ n = 1
415
+ elif dxgi_format in (DXGI_FORMAT.BC4_TYPELESS, DXGI_FORMAT.BC4_UNORM):
416
+ self._mode = "L"
417
+ self.pixel_format = "BC4"
418
+ n = 4
419
+ elif dxgi_format in (DXGI_FORMAT.BC5_TYPELESS, DXGI_FORMAT.BC5_UNORM):
420
+ self._mode = "RGB"
421
+ self.pixel_format = "BC5"
422
+ n = 5
423
+ elif dxgi_format == DXGI_FORMAT.BC5_SNORM:
424
+ self._mode = "RGB"
425
+ self.pixel_format = "BC5S"
426
+ n = 5
427
+ elif dxgi_format == DXGI_FORMAT.BC6H_UF16:
428
+ self._mode = "RGB"
429
+ self.pixel_format = "BC6H"
430
+ n = 6
431
+ elif dxgi_format == DXGI_FORMAT.BC6H_SF16:
432
+ self._mode = "RGB"
433
+ self.pixel_format = "BC6HS"
434
+ n = 6
435
+ elif dxgi_format in (
436
+ DXGI_FORMAT.BC7_TYPELESS,
437
+ DXGI_FORMAT.BC7_UNORM,
438
+ DXGI_FORMAT.BC7_UNORM_SRGB,
439
+ ):
440
+ self._mode = "RGBA"
441
+ self.pixel_format = "BC7"
442
+ n = 7
443
+ if dxgi_format == DXGI_FORMAT.BC7_UNORM_SRGB:
444
+ self.info["gamma"] = 1 / 2.2
445
+ elif dxgi_format in (
446
+ DXGI_FORMAT.R8G8B8A8_TYPELESS,
447
+ DXGI_FORMAT.R8G8B8A8_UNORM,
448
+ DXGI_FORMAT.R8G8B8A8_UNORM_SRGB,
449
+ ):
450
+ self._mode = "RGBA"
451
+ if dxgi_format == DXGI_FORMAT.R8G8B8A8_UNORM_SRGB:
452
+ self.info["gamma"] = 1 / 2.2
453
+ else:
454
+ msg = f"Unimplemented DXGI format {dxgi_format}"
455
+ raise NotImplementedError(msg)
456
+ else:
457
+ msg = f"Unimplemented pixel format {repr(fourcc)}"
458
+ raise NotImplementedError(msg)
459
+ else:
460
+ msg = f"Unknown pixel format flags {pfflags}"
461
+ raise NotImplementedError(msg)
462
+
463
+ if n:
464
+ self.tile = [
465
+ ImageFile._Tile("bcn", extents, offset, (n, self.pixel_format))
466
+ ]
467
+ else:
468
+ self.tile = [ImageFile._Tile("raw", extents, 0, rawmode or self.mode)]
469
+
470
+ def load_seek(self, pos):
471
+ pass
472
+
473
+
474
+ class DdsRgbDecoder(ImageFile.PyDecoder):
475
+ _pulls_fd = True
476
+
477
+ def decode(self, buffer):
478
+ bitcount, masks = self.args
479
+
480
+ # Some masks will be padded with zeros, e.g. R 0b11 G 0b1100
481
+ # Calculate how many zeros each mask is padded with
482
+ mask_offsets = []
483
+ # And the maximum value of each channel without the padding
484
+ mask_totals = []
485
+ for mask in masks:
486
+ offset = 0
487
+ if mask != 0:
488
+ while mask >> (offset + 1) << (offset + 1) == mask:
489
+ offset += 1
490
+ mask_offsets.append(offset)
491
+ mask_totals.append(mask >> offset)
492
+
493
+ data = bytearray()
494
+ bytecount = bitcount // 8
495
+ while len(data) < self.state.xsize * self.state.ysize * len(masks):
496
+ value = int.from_bytes(self.fd.read(bytecount), "little")
497
+ for i, mask in enumerate(masks):
498
+ masked_value = value & mask
499
+ # Remove the zero padding, and scale it to 8 bits
500
+ data += o8(
501
+ int(((masked_value >> mask_offsets[i]) / mask_totals[i]) * 255)
502
+ )
503
+ self.set_as_raw(bytes(data))
504
+ return -1, 0
505
+
506
+
507
+ def _save(im, fp, filename):
508
+ if im.mode not in ("RGB", "RGBA", "L", "LA"):
509
+ msg = f"cannot write mode {im.mode} as DDS"
510
+ raise OSError(msg)
511
+
512
+ alpha = im.mode[-1] == "A"
513
+ if im.mode[0] == "L":
514
+ pixel_flags = DDPF.LUMINANCE
515
+ rawmode = im.mode
516
+ if alpha:
517
+ rgba_mask = [0x000000FF, 0x000000FF, 0x000000FF]
518
+ else:
519
+ rgba_mask = [0xFF000000, 0xFF000000, 0xFF000000]
520
+ else:
521
+ pixel_flags = DDPF.RGB
522
+ rawmode = im.mode[::-1]
523
+ rgba_mask = [0x00FF0000, 0x0000FF00, 0x000000FF]
524
+
525
+ if alpha:
526
+ r, g, b, a = im.split()
527
+ im = Image.merge("RGBA", (a, r, g, b))
528
+ if alpha:
529
+ pixel_flags |= DDPF.ALPHAPIXELS
530
+ rgba_mask.append(0xFF000000 if alpha else 0)
531
+
532
+ flags = DDSD.CAPS | DDSD.HEIGHT | DDSD.WIDTH | DDSD.PITCH | DDSD.PIXELFORMAT
533
+ bitcount = len(im.getbands()) * 8
534
+ pitch = (im.width * bitcount + 7) // 8
535
+
536
+ fp.write(
537
+ o32(DDS_MAGIC)
538
+ + struct.pack(
539
+ "<7I",
540
+ 124, # header size
541
+ flags, # flags
542
+ im.height,
543
+ im.width,
544
+ pitch,
545
+ 0, # depth
546
+ 0, # mipmaps
547
+ )
548
+ + struct.pack("11I", *((0,) * 11)) # reserved
549
+ # pfsize, pfflags, fourcc, bitcount
550
+ + struct.pack("<4I", 32, pixel_flags, 0, bitcount)
551
+ + struct.pack("<4I", *rgba_mask) # dwRGBABitMask
552
+ + struct.pack("<5I", DDSCAPS.TEXTURE, 0, 0, 0, 0)
553
+ )
554
+ ImageFile._save(
555
+ im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, 0, 1))]
556
+ )
557
+
558
+
559
+ def _accept(prefix):
560
+ return prefix[:4] == b"DDS "
561
+
562
+
563
+ Image.register_open(DdsImageFile.format, DdsImageFile, _accept)
564
+ Image.register_decoder("dds_rgb", DdsRgbDecoder)
565
+ Image.register_save(DdsImageFile.format, _save)
566
+ Image.register_extension(DdsImageFile.format, ".dds")
venv/Lib/site-packages/PIL/EpsImagePlugin.py ADDED
@@ -0,0 +1,478 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # EPS file handling
6
+ #
7
+ # History:
8
+ # 1995-09-01 fl Created (0.1)
9
+ # 1996-05-18 fl Don't choke on "atend" fields, Ghostscript interface (0.2)
10
+ # 1996-08-22 fl Don't choke on floating point BoundingBox values
11
+ # 1996-08-23 fl Handle files from Macintosh (0.3)
12
+ # 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.4)
13
+ # 2003-09-07 fl Check gs.close status (from Federico Di Gregorio) (0.5)
14
+ # 2014-05-07 e Handling of EPS with binary preview and fixed resolution
15
+ # resizing
16
+ #
17
+ # Copyright (c) 1997-2003 by Secret Labs AB.
18
+ # Copyright (c) 1995-2003 by Fredrik Lundh
19
+ #
20
+ # See the README file for information on usage and redistribution.
21
+ #
22
+ from __future__ import annotations
23
+
24
+ import io
25
+ import os
26
+ import re
27
+ import subprocess
28
+ import sys
29
+ import tempfile
30
+
31
+ from . import Image, ImageFile
32
+ from ._binary import i32le as i32
33
+ from ._deprecate import deprecate
34
+
35
+ # --------------------------------------------------------------------
36
+
37
+
38
+ split = re.compile(r"^%%([^:]*):[ \t]*(.*)[ \t]*$")
39
+ field = re.compile(r"^%[%!\w]([^:]*)[ \t]*$")
40
+
41
+ gs_binary = None
42
+ gs_windows_binary = None
43
+
44
+
45
+ def has_ghostscript():
46
+ global gs_binary, gs_windows_binary
47
+ if gs_binary is None:
48
+ if sys.platform.startswith("win"):
49
+ if gs_windows_binary is None:
50
+ import shutil
51
+
52
+ for binary in ("gswin32c", "gswin64c", "gs"):
53
+ if shutil.which(binary) is not None:
54
+ gs_windows_binary = binary
55
+ break
56
+ else:
57
+ gs_windows_binary = False
58
+ gs_binary = gs_windows_binary
59
+ else:
60
+ try:
61
+ subprocess.check_call(["gs", "--version"], stdout=subprocess.DEVNULL)
62
+ gs_binary = "gs"
63
+ except OSError:
64
+ gs_binary = False
65
+ return gs_binary is not False
66
+
67
+
68
+ def Ghostscript(tile, size, fp, scale=1, transparency=False):
69
+ """Render an image using Ghostscript"""
70
+ global gs_binary
71
+ if not has_ghostscript():
72
+ msg = "Unable to locate Ghostscript on paths"
73
+ raise OSError(msg)
74
+
75
+ # Unpack decoder tile
76
+ decoder, tile, offset, data = tile[0]
77
+ length, bbox = data
78
+
79
+ # Hack to support hi-res rendering
80
+ scale = int(scale) or 1
81
+ width = size[0] * scale
82
+ height = size[1] * scale
83
+ # resolution is dependent on bbox and size
84
+ res_x = 72.0 * width / (bbox[2] - bbox[0])
85
+ res_y = 72.0 * height / (bbox[3] - bbox[1])
86
+
87
+ out_fd, outfile = tempfile.mkstemp()
88
+ os.close(out_fd)
89
+
90
+ infile_temp = None
91
+ if hasattr(fp, "name") and os.path.exists(fp.name):
92
+ infile = fp.name
93
+ else:
94
+ in_fd, infile_temp = tempfile.mkstemp()
95
+ os.close(in_fd)
96
+ infile = infile_temp
97
+
98
+ # Ignore length and offset!
99
+ # Ghostscript can read it
100
+ # Copy whole file to read in Ghostscript
101
+ with open(infile_temp, "wb") as f:
102
+ # fetch length of fp
103
+ fp.seek(0, io.SEEK_END)
104
+ fsize = fp.tell()
105
+ # ensure start position
106
+ # go back
107
+ fp.seek(0)
108
+ lengthfile = fsize
109
+ while lengthfile > 0:
110
+ s = fp.read(min(lengthfile, 100 * 1024))
111
+ if not s:
112
+ break
113
+ lengthfile -= len(s)
114
+ f.write(s)
115
+
116
+ device = "pngalpha" if transparency else "ppmraw"
117
+
118
+ # Build Ghostscript command
119
+ command = [
120
+ gs_binary,
121
+ "-q", # quiet mode
122
+ f"-g{width:d}x{height:d}", # set output geometry (pixels)
123
+ f"-r{res_x:f}x{res_y:f}", # set input DPI (dots per inch)
124
+ "-dBATCH", # exit after processing
125
+ "-dNOPAUSE", # don't pause between pages
126
+ "-dSAFER", # safe mode
127
+ f"-sDEVICE={device}",
128
+ f"-sOutputFile={outfile}", # output file
129
+ # adjust for image origin
130
+ "-c",
131
+ f"{-bbox[0]} {-bbox[1]} translate",
132
+ "-f",
133
+ infile, # input file
134
+ # showpage (see https://bugs.ghostscript.com/show_bug.cgi?id=698272)
135
+ "-c",
136
+ "showpage",
137
+ ]
138
+
139
+ # push data through Ghostscript
140
+ try:
141
+ startupinfo = None
142
+ if sys.platform.startswith("win"):
143
+ startupinfo = subprocess.STARTUPINFO()
144
+ startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
145
+ subprocess.check_call(command, startupinfo=startupinfo)
146
+ out_im = Image.open(outfile)
147
+ out_im.load()
148
+ finally:
149
+ try:
150
+ os.unlink(outfile)
151
+ if infile_temp:
152
+ os.unlink(infile_temp)
153
+ except OSError:
154
+ pass
155
+
156
+ im = out_im.im.copy()
157
+ out_im.close()
158
+ return im
159
+
160
+
161
+ class PSFile:
162
+ """
163
+ Wrapper for bytesio object that treats either CR or LF as end of line.
164
+ This class is no longer used internally, but kept for backwards compatibility.
165
+ """
166
+
167
+ def __init__(self, fp):
168
+ deprecate(
169
+ "PSFile",
170
+ 11,
171
+ action="If you need the functionality of this class "
172
+ "you will need to implement it yourself.",
173
+ )
174
+ self.fp = fp
175
+ self.char = None
176
+
177
+ def seek(self, offset, whence=io.SEEK_SET):
178
+ self.char = None
179
+ self.fp.seek(offset, whence)
180
+
181
+ def readline(self):
182
+ s = [self.char or b""]
183
+ self.char = None
184
+
185
+ c = self.fp.read(1)
186
+ while (c not in b"\r\n") and len(c):
187
+ s.append(c)
188
+ c = self.fp.read(1)
189
+
190
+ self.char = self.fp.read(1)
191
+ # line endings can be 1 or 2 of \r \n, in either order
192
+ if self.char in b"\r\n":
193
+ self.char = None
194
+
195
+ return b"".join(s).decode("latin-1")
196
+
197
+
198
+ def _accept(prefix):
199
+ return prefix[:4] == b"%!PS" or (len(prefix) >= 4 and i32(prefix) == 0xC6D3D0C5)
200
+
201
+
202
+ ##
203
+ # Image plugin for Encapsulated PostScript. This plugin supports only
204
+ # a few variants of this format.
205
+
206
+
207
+ class EpsImageFile(ImageFile.ImageFile):
208
+ """EPS File Parser for the Python Imaging Library"""
209
+
210
+ format = "EPS"
211
+ format_description = "Encapsulated Postscript"
212
+
213
+ mode_map = {1: "L", 2: "LAB", 3: "RGB", 4: "CMYK"}
214
+
215
+ def _open(self):
216
+ (length, offset) = self._find_offset(self.fp)
217
+
218
+ # go to offset - start of "%!PS"
219
+ self.fp.seek(offset)
220
+
221
+ self._mode = "RGB"
222
+ self._size = None
223
+
224
+ byte_arr = bytearray(255)
225
+ bytes_mv = memoryview(byte_arr)
226
+ bytes_read = 0
227
+ reading_header_comments = True
228
+ reading_trailer_comments = False
229
+ trailer_reached = False
230
+
231
+ def check_required_header_comments():
232
+ if "PS-Adobe" not in self.info:
233
+ msg = 'EPS header missing "%!PS-Adobe" comment'
234
+ raise SyntaxError(msg)
235
+ if "BoundingBox" not in self.info:
236
+ msg = 'EPS header missing "%%BoundingBox" comment'
237
+ raise SyntaxError(msg)
238
+
239
+ def _read_comment(s):
240
+ nonlocal reading_trailer_comments
241
+ try:
242
+ m = split.match(s)
243
+ except re.error as e:
244
+ msg = "not an EPS file"
245
+ raise SyntaxError(msg) from e
246
+
247
+ if m:
248
+ k, v = m.group(1, 2)
249
+ self.info[k] = v
250
+ if k == "BoundingBox":
251
+ if v == "(atend)":
252
+ reading_trailer_comments = True
253
+ elif not self._size or (
254
+ trailer_reached and reading_trailer_comments
255
+ ):
256
+ try:
257
+ # Note: The DSC spec says that BoundingBox
258
+ # fields should be integers, but some drivers
259
+ # put floating point values there anyway.
260
+ box = [int(float(i)) for i in v.split()]
261
+ self._size = box[2] - box[0], box[3] - box[1]
262
+ self.tile = [
263
+ ("eps", (0, 0) + self.size, offset, (length, box))
264
+ ]
265
+ except Exception:
266
+ pass
267
+ return True
268
+
269
+ while True:
270
+ byte = self.fp.read(1)
271
+ if byte == b"":
272
+ # if we didn't read a byte we must be at the end of the file
273
+ if bytes_read == 0:
274
+ break
275
+ elif byte in b"\r\n":
276
+ # if we read a line ending character, ignore it and parse what
277
+ # we have already read. if we haven't read any other characters,
278
+ # continue reading
279
+ if bytes_read == 0:
280
+ continue
281
+ else:
282
+ # ASCII/hexadecimal lines in an EPS file must not exceed
283
+ # 255 characters, not including line ending characters
284
+ if bytes_read >= 255:
285
+ # only enforce this for lines starting with a "%",
286
+ # otherwise assume it's binary data
287
+ if byte_arr[0] == ord("%"):
288
+ msg = "not an EPS file"
289
+ raise SyntaxError(msg)
290
+ else:
291
+ if reading_header_comments:
292
+ check_required_header_comments()
293
+ reading_header_comments = False
294
+ # reset bytes_read so we can keep reading
295
+ # data until the end of the line
296
+ bytes_read = 0
297
+ byte_arr[bytes_read] = byte[0]
298
+ bytes_read += 1
299
+ continue
300
+
301
+ if reading_header_comments:
302
+ # Load EPS header
303
+
304
+ # if this line doesn't start with a "%",
305
+ # or does start with "%%EndComments",
306
+ # then we've reached the end of the header/comments
307
+ if byte_arr[0] != ord("%") or bytes_mv[:13] == b"%%EndComments":
308
+ check_required_header_comments()
309
+ reading_header_comments = False
310
+ continue
311
+
312
+ s = str(bytes_mv[:bytes_read], "latin-1")
313
+ if not _read_comment(s):
314
+ m = field.match(s)
315
+ if m:
316
+ k = m.group(1)
317
+ if k[:8] == "PS-Adobe":
318
+ self.info["PS-Adobe"] = k[9:]
319
+ else:
320
+ self.info[k] = ""
321
+ elif s[0] == "%":
322
+ # handle non-DSC PostScript comments that some
323
+ # tools mistakenly put in the Comments section
324
+ pass
325
+ else:
326
+ msg = "bad EPS header"
327
+ raise OSError(msg)
328
+ elif bytes_mv[:11] == b"%ImageData:":
329
+ # Check for an "ImageData" descriptor
330
+ # https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/#50577413_pgfId-1035096
331
+
332
+ # Values:
333
+ # columns
334
+ # rows
335
+ # bit depth (1 or 8)
336
+ # mode (1: L, 2: LAB, 3: RGB, 4: CMYK)
337
+ # number of padding channels
338
+ # block size (number of bytes per row per channel)
339
+ # binary/ascii (1: binary, 2: ascii)
340
+ # data start identifier (the image data follows after a single line
341
+ # consisting only of this quoted value)
342
+ image_data_values = byte_arr[11:bytes_read].split(None, 7)
343
+ columns, rows, bit_depth, mode_id = (
344
+ int(value) for value in image_data_values[:4]
345
+ )
346
+
347
+ if bit_depth == 1:
348
+ self._mode = "1"
349
+ elif bit_depth == 8:
350
+ try:
351
+ self._mode = self.mode_map[mode_id]
352
+ except ValueError:
353
+ break
354
+ else:
355
+ break
356
+
357
+ self._size = columns, rows
358
+ return
359
+ elif trailer_reached and reading_trailer_comments:
360
+ # Load EPS trailer
361
+
362
+ # if this line starts with "%%EOF",
363
+ # then we've reached the end of the file
364
+ if bytes_mv[:5] == b"%%EOF":
365
+ break
366
+
367
+ s = str(bytes_mv[:bytes_read], "latin-1")
368
+ _read_comment(s)
369
+ elif bytes_mv[:9] == b"%%Trailer":
370
+ trailer_reached = True
371
+ bytes_read = 0
372
+
373
+ check_required_header_comments()
374
+
375
+ if not self._size:
376
+ msg = "cannot determine EPS bounding box"
377
+ raise OSError(msg)
378
+
379
+ def _find_offset(self, fp):
380
+ s = fp.read(4)
381
+
382
+ if s == b"%!PS":
383
+ # for HEAD without binary preview
384
+ fp.seek(0, io.SEEK_END)
385
+ length = fp.tell()
386
+ offset = 0
387
+ elif i32(s) == 0xC6D3D0C5:
388
+ # FIX for: Some EPS file not handled correctly / issue #302
389
+ # EPS can contain binary data
390
+ # or start directly with latin coding
391
+ # more info see:
392
+ # https://web.archive.org/web/20160528181353/http://partners.adobe.com/public/developer/en/ps/5002.EPSF_Spec.pdf
393
+ s = fp.read(8)
394
+ offset = i32(s)
395
+ length = i32(s, 4)
396
+ else:
397
+ msg = "not an EPS file"
398
+ raise SyntaxError(msg)
399
+
400
+ return length, offset
401
+
402
+ def load(self, scale=1, transparency=False):
403
+ # Load EPS via Ghostscript
404
+ if self.tile:
405
+ self.im = Ghostscript(self.tile, self.size, self.fp, scale, transparency)
406
+ self._mode = self.im.mode
407
+ self._size = self.im.size
408
+ self.tile = []
409
+ return Image.Image.load(self)
410
+
411
+ def load_seek(self, *args, **kwargs):
412
+ # we can't incrementally load, so force ImageFile.parser to
413
+ # use our custom load method by defining this method.
414
+ pass
415
+
416
+
417
+ # --------------------------------------------------------------------
418
+
419
+
420
+ def _save(im, fp, filename, eps=1):
421
+ """EPS Writer for the Python Imaging Library."""
422
+
423
+ # make sure image data is available
424
+ im.load()
425
+
426
+ # determine PostScript image mode
427
+ if im.mode == "L":
428
+ operator = (8, 1, b"image")
429
+ elif im.mode == "RGB":
430
+ operator = (8, 3, b"false 3 colorimage")
431
+ elif im.mode == "CMYK":
432
+ operator = (8, 4, b"false 4 colorimage")
433
+ else:
434
+ msg = "image mode is not supported"
435
+ raise ValueError(msg)
436
+
437
+ if eps:
438
+ # write EPS header
439
+ fp.write(b"%!PS-Adobe-3.0 EPSF-3.0\n")
440
+ fp.write(b"%%Creator: PIL 0.1 EpsEncode\n")
441
+ # fp.write("%%CreationDate: %s"...)
442
+ fp.write(b"%%%%BoundingBox: 0 0 %d %d\n" % im.size)
443
+ fp.write(b"%%Pages: 1\n")
444
+ fp.write(b"%%EndComments\n")
445
+ fp.write(b"%%Page: 1 1\n")
446
+ fp.write(b"%%ImageData: %d %d " % im.size)
447
+ fp.write(b'%d %d 0 1 1 "%s"\n' % operator)
448
+
449
+ # image header
450
+ fp.write(b"gsave\n")
451
+ fp.write(b"10 dict begin\n")
452
+ fp.write(b"/buf %d string def\n" % (im.size[0] * operator[1]))
453
+ fp.write(b"%d %d scale\n" % im.size)
454
+ fp.write(b"%d %d 8\n" % im.size) # <= bits
455
+ fp.write(b"[%d 0 0 -%d 0 %d]\n" % (im.size[0], im.size[1], im.size[1]))
456
+ fp.write(b"{ currentfile buf readhexstring pop } bind\n")
457
+ fp.write(operator[2] + b"\n")
458
+ if hasattr(fp, "flush"):
459
+ fp.flush()
460
+
461
+ ImageFile._save(im, fp, [("eps", (0, 0) + im.size, 0, None)])
462
+
463
+ fp.write(b"\n%%%%EndBinary\n")
464
+ fp.write(b"grestore end\n")
465
+ if hasattr(fp, "flush"):
466
+ fp.flush()
467
+
468
+
469
+ # --------------------------------------------------------------------
470
+
471
+
472
+ Image.register_open(EpsImageFile.format, EpsImageFile, _accept)
473
+
474
+ Image.register_save(EpsImageFile.format, _save)
475
+
476
+ Image.register_extensions(EpsImageFile.format, [".ps", ".eps"])
477
+
478
+ Image.register_mime(EpsImageFile.format, "application/postscript")
venv/Lib/site-packages/PIL/ExifTags.py ADDED
@@ -0,0 +1,381 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # EXIF tags
6
+ #
7
+ # Copyright (c) 2003 by Secret Labs AB
8
+ #
9
+ # See the README file for information on usage and redistribution.
10
+ #
11
+
12
+ """
13
+ This module provides constants and clear-text names for various
14
+ well-known EXIF tags.
15
+ """
16
+ from __future__ import annotations
17
+
18
+ from enum import IntEnum
19
+
20
+
21
+ class Base(IntEnum):
22
+ # possibly incomplete
23
+ InteropIndex = 0x0001
24
+ ProcessingSoftware = 0x000B
25
+ NewSubfileType = 0x00FE
26
+ SubfileType = 0x00FF
27
+ ImageWidth = 0x0100
28
+ ImageLength = 0x0101
29
+ BitsPerSample = 0x0102
30
+ Compression = 0x0103
31
+ PhotometricInterpretation = 0x0106
32
+ Thresholding = 0x0107
33
+ CellWidth = 0x0108
34
+ CellLength = 0x0109
35
+ FillOrder = 0x010A
36
+ DocumentName = 0x010D
37
+ ImageDescription = 0x010E
38
+ Make = 0x010F
39
+ Model = 0x0110
40
+ StripOffsets = 0x0111
41
+ Orientation = 0x0112
42
+ SamplesPerPixel = 0x0115
43
+ RowsPerStrip = 0x0116
44
+ StripByteCounts = 0x0117
45
+ MinSampleValue = 0x0118
46
+ MaxSampleValue = 0x0119
47
+ XResolution = 0x011A
48
+ YResolution = 0x011B
49
+ PlanarConfiguration = 0x011C
50
+ PageName = 0x011D
51
+ FreeOffsets = 0x0120
52
+ FreeByteCounts = 0x0121
53
+ GrayResponseUnit = 0x0122
54
+ GrayResponseCurve = 0x0123
55
+ T4Options = 0x0124
56
+ T6Options = 0x0125
57
+ ResolutionUnit = 0x0128
58
+ PageNumber = 0x0129
59
+ TransferFunction = 0x012D
60
+ Software = 0x0131
61
+ DateTime = 0x0132
62
+ Artist = 0x013B
63
+ HostComputer = 0x013C
64
+ Predictor = 0x013D
65
+ WhitePoint = 0x013E
66
+ PrimaryChromaticities = 0x013F
67
+ ColorMap = 0x0140
68
+ HalftoneHints = 0x0141
69
+ TileWidth = 0x0142
70
+ TileLength = 0x0143
71
+ TileOffsets = 0x0144
72
+ TileByteCounts = 0x0145
73
+ SubIFDs = 0x014A
74
+ InkSet = 0x014C
75
+ InkNames = 0x014D
76
+ NumberOfInks = 0x014E
77
+ DotRange = 0x0150
78
+ TargetPrinter = 0x0151
79
+ ExtraSamples = 0x0152
80
+ SampleFormat = 0x0153
81
+ SMinSampleValue = 0x0154
82
+ SMaxSampleValue = 0x0155
83
+ TransferRange = 0x0156
84
+ ClipPath = 0x0157
85
+ XClipPathUnits = 0x0158
86
+ YClipPathUnits = 0x0159
87
+ Indexed = 0x015A
88
+ JPEGTables = 0x015B
89
+ OPIProxy = 0x015F
90
+ JPEGProc = 0x0200
91
+ JpegIFOffset = 0x0201
92
+ JpegIFByteCount = 0x0202
93
+ JpegRestartInterval = 0x0203
94
+ JpegLosslessPredictors = 0x0205
95
+ JpegPointTransforms = 0x0206
96
+ JpegQTables = 0x0207
97
+ JpegDCTables = 0x0208
98
+ JpegACTables = 0x0209
99
+ YCbCrCoefficients = 0x0211
100
+ YCbCrSubSampling = 0x0212
101
+ YCbCrPositioning = 0x0213
102
+ ReferenceBlackWhite = 0x0214
103
+ XMLPacket = 0x02BC
104
+ RelatedImageFileFormat = 0x1000
105
+ RelatedImageWidth = 0x1001
106
+ RelatedImageLength = 0x1002
107
+ Rating = 0x4746
108
+ RatingPercent = 0x4749
109
+ ImageID = 0x800D
110
+ CFARepeatPatternDim = 0x828D
111
+ BatteryLevel = 0x828F
112
+ Copyright = 0x8298
113
+ ExposureTime = 0x829A
114
+ FNumber = 0x829D
115
+ IPTCNAA = 0x83BB
116
+ ImageResources = 0x8649
117
+ ExifOffset = 0x8769
118
+ InterColorProfile = 0x8773
119
+ ExposureProgram = 0x8822
120
+ SpectralSensitivity = 0x8824
121
+ GPSInfo = 0x8825
122
+ ISOSpeedRatings = 0x8827
123
+ OECF = 0x8828
124
+ Interlace = 0x8829
125
+ TimeZoneOffset = 0x882A
126
+ SelfTimerMode = 0x882B
127
+ SensitivityType = 0x8830
128
+ StandardOutputSensitivity = 0x8831
129
+ RecommendedExposureIndex = 0x8832
130
+ ISOSpeed = 0x8833
131
+ ISOSpeedLatitudeyyy = 0x8834
132
+ ISOSpeedLatitudezzz = 0x8835
133
+ ExifVersion = 0x9000
134
+ DateTimeOriginal = 0x9003
135
+ DateTimeDigitized = 0x9004
136
+ OffsetTime = 0x9010
137
+ OffsetTimeOriginal = 0x9011
138
+ OffsetTimeDigitized = 0x9012
139
+ ComponentsConfiguration = 0x9101
140
+ CompressedBitsPerPixel = 0x9102
141
+ ShutterSpeedValue = 0x9201
142
+ ApertureValue = 0x9202
143
+ BrightnessValue = 0x9203
144
+ ExposureBiasValue = 0x9204
145
+ MaxApertureValue = 0x9205
146
+ SubjectDistance = 0x9206
147
+ MeteringMode = 0x9207
148
+ LightSource = 0x9208
149
+ Flash = 0x9209
150
+ FocalLength = 0x920A
151
+ Noise = 0x920D
152
+ ImageNumber = 0x9211
153
+ SecurityClassification = 0x9212
154
+ ImageHistory = 0x9213
155
+ TIFFEPStandardID = 0x9216
156
+ MakerNote = 0x927C
157
+ UserComment = 0x9286
158
+ SubsecTime = 0x9290
159
+ SubsecTimeOriginal = 0x9291
160
+ SubsecTimeDigitized = 0x9292
161
+ AmbientTemperature = 0x9400
162
+ Humidity = 0x9401
163
+ Pressure = 0x9402
164
+ WaterDepth = 0x9403
165
+ Acceleration = 0x9404
166
+ CameraElevationAngle = 0x9405
167
+ XPTitle = 0x9C9B
168
+ XPComment = 0x9C9C
169
+ XPAuthor = 0x9C9D
170
+ XPKeywords = 0x9C9E
171
+ XPSubject = 0x9C9F
172
+ FlashPixVersion = 0xA000
173
+ ColorSpace = 0xA001
174
+ ExifImageWidth = 0xA002
175
+ ExifImageHeight = 0xA003
176
+ RelatedSoundFile = 0xA004
177
+ ExifInteroperabilityOffset = 0xA005
178
+ FlashEnergy = 0xA20B
179
+ SpatialFrequencyResponse = 0xA20C
180
+ FocalPlaneXResolution = 0xA20E
181
+ FocalPlaneYResolution = 0xA20F
182
+ FocalPlaneResolutionUnit = 0xA210
183
+ SubjectLocation = 0xA214
184
+ ExposureIndex = 0xA215
185
+ SensingMethod = 0xA217
186
+ FileSource = 0xA300
187
+ SceneType = 0xA301
188
+ CFAPattern = 0xA302
189
+ CustomRendered = 0xA401
190
+ ExposureMode = 0xA402
191
+ WhiteBalance = 0xA403
192
+ DigitalZoomRatio = 0xA404
193
+ FocalLengthIn35mmFilm = 0xA405
194
+ SceneCaptureType = 0xA406
195
+ GainControl = 0xA407
196
+ Contrast = 0xA408
197
+ Saturation = 0xA409
198
+ Sharpness = 0xA40A
199
+ DeviceSettingDescription = 0xA40B
200
+ SubjectDistanceRange = 0xA40C
201
+ ImageUniqueID = 0xA420
202
+ CameraOwnerName = 0xA430
203
+ BodySerialNumber = 0xA431
204
+ LensSpecification = 0xA432
205
+ LensMake = 0xA433
206
+ LensModel = 0xA434
207
+ LensSerialNumber = 0xA435
208
+ CompositeImage = 0xA460
209
+ CompositeImageCount = 0xA461
210
+ CompositeImageExposureTimes = 0xA462
211
+ Gamma = 0xA500
212
+ PrintImageMatching = 0xC4A5
213
+ DNGVersion = 0xC612
214
+ DNGBackwardVersion = 0xC613
215
+ UniqueCameraModel = 0xC614
216
+ LocalizedCameraModel = 0xC615
217
+ CFAPlaneColor = 0xC616
218
+ CFALayout = 0xC617
219
+ LinearizationTable = 0xC618
220
+ BlackLevelRepeatDim = 0xC619
221
+ BlackLevel = 0xC61A
222
+ BlackLevelDeltaH = 0xC61B
223
+ BlackLevelDeltaV = 0xC61C
224
+ WhiteLevel = 0xC61D
225
+ DefaultScale = 0xC61E
226
+ DefaultCropOrigin = 0xC61F
227
+ DefaultCropSize = 0xC620
228
+ ColorMatrix1 = 0xC621
229
+ ColorMatrix2 = 0xC622
230
+ CameraCalibration1 = 0xC623
231
+ CameraCalibration2 = 0xC624
232
+ ReductionMatrix1 = 0xC625
233
+ ReductionMatrix2 = 0xC626
234
+ AnalogBalance = 0xC627
235
+ AsShotNeutral = 0xC628
236
+ AsShotWhiteXY = 0xC629
237
+ BaselineExposure = 0xC62A
238
+ BaselineNoise = 0xC62B
239
+ BaselineSharpness = 0xC62C
240
+ BayerGreenSplit = 0xC62D
241
+ LinearResponseLimit = 0xC62E
242
+ CameraSerialNumber = 0xC62F
243
+ LensInfo = 0xC630
244
+ ChromaBlurRadius = 0xC631
245
+ AntiAliasStrength = 0xC632
246
+ ShadowScale = 0xC633
247
+ DNGPrivateData = 0xC634
248
+ MakerNoteSafety = 0xC635
249
+ CalibrationIlluminant1 = 0xC65A
250
+ CalibrationIlluminant2 = 0xC65B
251
+ BestQualityScale = 0xC65C
252
+ RawDataUniqueID = 0xC65D
253
+ OriginalRawFileName = 0xC68B
254
+ OriginalRawFileData = 0xC68C
255
+ ActiveArea = 0xC68D
256
+ MaskedAreas = 0xC68E
257
+ AsShotICCProfile = 0xC68F
258
+ AsShotPreProfileMatrix = 0xC690
259
+ CurrentICCProfile = 0xC691
260
+ CurrentPreProfileMatrix = 0xC692
261
+ ColorimetricReference = 0xC6BF
262
+ CameraCalibrationSignature = 0xC6F3
263
+ ProfileCalibrationSignature = 0xC6F4
264
+ AsShotProfileName = 0xC6F6
265
+ NoiseReductionApplied = 0xC6F7
266
+ ProfileName = 0xC6F8
267
+ ProfileHueSatMapDims = 0xC6F9
268
+ ProfileHueSatMapData1 = 0xC6FA
269
+ ProfileHueSatMapData2 = 0xC6FB
270
+ ProfileToneCurve = 0xC6FC
271
+ ProfileEmbedPolicy = 0xC6FD
272
+ ProfileCopyright = 0xC6FE
273
+ ForwardMatrix1 = 0xC714
274
+ ForwardMatrix2 = 0xC715
275
+ PreviewApplicationName = 0xC716
276
+ PreviewApplicationVersion = 0xC717
277
+ PreviewSettingsName = 0xC718
278
+ PreviewSettingsDigest = 0xC719
279
+ PreviewColorSpace = 0xC71A
280
+ PreviewDateTime = 0xC71B
281
+ RawImageDigest = 0xC71C
282
+ OriginalRawFileDigest = 0xC71D
283
+ SubTileBlockSize = 0xC71E
284
+ RowInterleaveFactor = 0xC71F
285
+ ProfileLookTableDims = 0xC725
286
+ ProfileLookTableData = 0xC726
287
+ OpcodeList1 = 0xC740
288
+ OpcodeList2 = 0xC741
289
+ OpcodeList3 = 0xC74E
290
+ NoiseProfile = 0xC761
291
+
292
+
293
+ """Maps EXIF tags to tag names."""
294
+ TAGS = {
295
+ **{i.value: i.name for i in Base},
296
+ 0x920C: "SpatialFrequencyResponse",
297
+ 0x9214: "SubjectLocation",
298
+ 0x9215: "ExposureIndex",
299
+ 0x828E: "CFAPattern",
300
+ 0x920B: "FlashEnergy",
301
+ 0x9216: "TIFF/EPStandardID",
302
+ }
303
+
304
+
305
+ class GPS(IntEnum):
306
+ GPSVersionID = 0
307
+ GPSLatitudeRef = 1
308
+ GPSLatitude = 2
309
+ GPSLongitudeRef = 3
310
+ GPSLongitude = 4
311
+ GPSAltitudeRef = 5
312
+ GPSAltitude = 6
313
+ GPSTimeStamp = 7
314
+ GPSSatellites = 8
315
+ GPSStatus = 9
316
+ GPSMeasureMode = 10
317
+ GPSDOP = 11
318
+ GPSSpeedRef = 12
319
+ GPSSpeed = 13
320
+ GPSTrackRef = 14
321
+ GPSTrack = 15
322
+ GPSImgDirectionRef = 16
323
+ GPSImgDirection = 17
324
+ GPSMapDatum = 18
325
+ GPSDestLatitudeRef = 19
326
+ GPSDestLatitude = 20
327
+ GPSDestLongitudeRef = 21
328
+ GPSDestLongitude = 22
329
+ GPSDestBearingRef = 23
330
+ GPSDestBearing = 24
331
+ GPSDestDistanceRef = 25
332
+ GPSDestDistance = 26
333
+ GPSProcessingMethod = 27
334
+ GPSAreaInformation = 28
335
+ GPSDateStamp = 29
336
+ GPSDifferential = 30
337
+ GPSHPositioningError = 31
338
+
339
+
340
+ """Maps EXIF GPS tags to tag names."""
341
+ GPSTAGS = {i.value: i.name for i in GPS}
342
+
343
+
344
+ class Interop(IntEnum):
345
+ InteropIndex = 1
346
+ InteropVersion = 2
347
+ RelatedImageFileFormat = 4096
348
+ RelatedImageWidth = 4097
349
+ RleatedImageHeight = 4098
350
+
351
+
352
+ class IFD(IntEnum):
353
+ Exif = 34665
354
+ GPSInfo = 34853
355
+ Makernote = 37500
356
+ Interop = 40965
357
+ IFD1 = -1
358
+
359
+
360
+ class LightSource(IntEnum):
361
+ Unknown = 0
362
+ Daylight = 1
363
+ Fluorescent = 2
364
+ Tungsten = 3
365
+ Flash = 4
366
+ Fine = 9
367
+ Cloudy = 10
368
+ Shade = 11
369
+ DaylightFluorescent = 12
370
+ DayWhiteFluorescent = 13
371
+ CoolWhiteFluorescent = 14
372
+ WhiteFluorescent = 15
373
+ StandardLightA = 17
374
+ StandardLightB = 18
375
+ StandardLightC = 19
376
+ D55 = 20
377
+ D65 = 21
378
+ D75 = 22
379
+ D50 = 23
380
+ ISO = 24
381
+ Other = 255
venv/Lib/site-packages/PIL/FitsImagePlugin.py ADDED
@@ -0,0 +1,72 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # FITS file handling
6
+ #
7
+ # Copyright (c) 1998-2003 by Fredrik Lundh
8
+ #
9
+ # See the README file for information on usage and redistribution.
10
+ #
11
+ from __future__ import annotations
12
+
13
+ import math
14
+
15
+ from . import Image, ImageFile
16
+
17
+
18
+ def _accept(prefix):
19
+ return prefix[:6] == b"SIMPLE"
20
+
21
+
22
+ class FitsImageFile(ImageFile.ImageFile):
23
+ format = "FITS"
24
+ format_description = "FITS"
25
+
26
+ def _open(self):
27
+ headers = {}
28
+ while True:
29
+ header = self.fp.read(80)
30
+ if not header:
31
+ msg = "Truncated FITS file"
32
+ raise OSError(msg)
33
+ keyword = header[:8].strip()
34
+ if keyword == b"END":
35
+ break
36
+ value = header[8:].split(b"/")[0].strip()
37
+ if value.startswith(b"="):
38
+ value = value[1:].strip()
39
+ if not headers and (not _accept(keyword) or value != b"T"):
40
+ msg = "Not a FITS file"
41
+ raise SyntaxError(msg)
42
+ headers[keyword] = value
43
+
44
+ naxis = int(headers[b"NAXIS"])
45
+ if naxis == 0:
46
+ msg = "No image data"
47
+ raise ValueError(msg)
48
+ elif naxis == 1:
49
+ self._size = 1, int(headers[b"NAXIS1"])
50
+ else:
51
+ self._size = int(headers[b"NAXIS1"]), int(headers[b"NAXIS2"])
52
+
53
+ number_of_bits = int(headers[b"BITPIX"])
54
+ if number_of_bits == 8:
55
+ self._mode = "L"
56
+ elif number_of_bits == 16:
57
+ self._mode = "I"
58
+ elif number_of_bits == 32:
59
+ self._mode = "I"
60
+ elif number_of_bits in (-32, -64):
61
+ self._mode = "F"
62
+
63
+ offset = math.ceil(self.fp.tell() / 2880) * 2880
64
+ self.tile = [("raw", (0, 0) + self.size, offset, (self.mode, 0, -1))]
65
+
66
+
67
+ # --------------------------------------------------------------------
68
+ # Registry
69
+
70
+ Image.register_open(FitsImageFile.format, FitsImageFile, _accept)
71
+
72
+ Image.register_extensions(FitsImageFile.format, [".fit", ".fits"])
venv/Lib/site-packages/PIL/FliImagePlugin.py ADDED
@@ -0,0 +1,173 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # FLI/FLC file handling.
6
+ #
7
+ # History:
8
+ # 95-09-01 fl Created
9
+ # 97-01-03 fl Fixed parser, setup decoder tile
10
+ # 98-07-15 fl Renamed offset attribute to avoid name clash
11
+ #
12
+ # Copyright (c) Secret Labs AB 1997-98.
13
+ # Copyright (c) Fredrik Lundh 1995-97.
14
+ #
15
+ # See the README file for information on usage and redistribution.
16
+ #
17
+ from __future__ import annotations
18
+
19
+ import os
20
+
21
+ from . import Image, ImageFile, ImagePalette
22
+ from ._binary import i16le as i16
23
+ from ._binary import i32le as i32
24
+ from ._binary import o8
25
+
26
+ #
27
+ # decoder
28
+
29
+
30
+ def _accept(prefix):
31
+ return (
32
+ len(prefix) >= 6
33
+ and i16(prefix, 4) in [0xAF11, 0xAF12]
34
+ and i16(prefix, 14) in [0, 3] # flags
35
+ )
36
+
37
+
38
+ ##
39
+ # Image plugin for the FLI/FLC animation format. Use the <b>seek</b>
40
+ # method to load individual frames.
41
+
42
+
43
+ class FliImageFile(ImageFile.ImageFile):
44
+ format = "FLI"
45
+ format_description = "Autodesk FLI/FLC Animation"
46
+ _close_exclusive_fp_after_loading = False
47
+
48
+ def _open(self):
49
+ # HEAD
50
+ s = self.fp.read(128)
51
+ if not (_accept(s) and s[20:22] == b"\x00\x00"):
52
+ msg = "not an FLI/FLC file"
53
+ raise SyntaxError(msg)
54
+
55
+ # frames
56
+ self.n_frames = i16(s, 6)
57
+ self.is_animated = self.n_frames > 1
58
+
59
+ # image characteristics
60
+ self._mode = "P"
61
+ self._size = i16(s, 8), i16(s, 10)
62
+
63
+ # animation speed
64
+ duration = i32(s, 16)
65
+ magic = i16(s, 4)
66
+ if magic == 0xAF11:
67
+ duration = (duration * 1000) // 70
68
+ self.info["duration"] = duration
69
+
70
+ # look for palette
71
+ palette = [(a, a, a) for a in range(256)]
72
+
73
+ s = self.fp.read(16)
74
+
75
+ self.__offset = 128
76
+
77
+ if i16(s, 4) == 0xF100:
78
+ # prefix chunk; ignore it
79
+ self.__offset = self.__offset + i32(s)
80
+ s = self.fp.read(16)
81
+
82
+ if i16(s, 4) == 0xF1FA:
83
+ # look for palette chunk
84
+ number_of_subchunks = i16(s, 6)
85
+ chunk_size = None
86
+ for _ in range(number_of_subchunks):
87
+ if chunk_size is not None:
88
+ self.fp.seek(chunk_size - 6, os.SEEK_CUR)
89
+ s = self.fp.read(6)
90
+ chunk_type = i16(s, 4)
91
+ if chunk_type in (4, 11):
92
+ self._palette(palette, 2 if chunk_type == 11 else 0)
93
+ break
94
+ chunk_size = i32(s)
95
+ if not chunk_size:
96
+ break
97
+
98
+ palette = [o8(r) + o8(g) + o8(b) for (r, g, b) in palette]
99
+ self.palette = ImagePalette.raw("RGB", b"".join(palette))
100
+
101
+ # set things up to decode first frame
102
+ self.__frame = -1
103
+ self._fp = self.fp
104
+ self.__rewind = self.fp.tell()
105
+ self.seek(0)
106
+
107
+ def _palette(self, palette, shift):
108
+ # load palette
109
+
110
+ i = 0
111
+ for e in range(i16(self.fp.read(2))):
112
+ s = self.fp.read(2)
113
+ i = i + s[0]
114
+ n = s[1]
115
+ if n == 0:
116
+ n = 256
117
+ s = self.fp.read(n * 3)
118
+ for n in range(0, len(s), 3):
119
+ r = s[n] << shift
120
+ g = s[n + 1] << shift
121
+ b = s[n + 2] << shift
122
+ palette[i] = (r, g, b)
123
+ i += 1
124
+
125
+ def seek(self, frame):
126
+ if not self._seek_check(frame):
127
+ return
128
+ if frame < self.__frame:
129
+ self._seek(0)
130
+
131
+ for f in range(self.__frame + 1, frame + 1):
132
+ self._seek(f)
133
+
134
+ def _seek(self, frame):
135
+ if frame == 0:
136
+ self.__frame = -1
137
+ self._fp.seek(self.__rewind)
138
+ self.__offset = 128
139
+ else:
140
+ # ensure that the previous frame was loaded
141
+ self.load()
142
+
143
+ if frame != self.__frame + 1:
144
+ msg = f"cannot seek to frame {frame}"
145
+ raise ValueError(msg)
146
+ self.__frame = frame
147
+
148
+ # move to next frame
149
+ self.fp = self._fp
150
+ self.fp.seek(self.__offset)
151
+
152
+ s = self.fp.read(4)
153
+ if not s:
154
+ msg = "missing frame size"
155
+ raise EOFError(msg)
156
+
157
+ framesize = i32(s)
158
+
159
+ self.decodermaxblock = framesize
160
+ self.tile = [("fli", (0, 0) + self.size, self.__offset, None)]
161
+
162
+ self.__offset += framesize
163
+
164
+ def tell(self):
165
+ return self.__frame
166
+
167
+
168
+ #
169
+ # registry
170
+
171
+ Image.register_open(FliImageFile.format, FliImageFile, _accept)
172
+
173
+ Image.register_extensions(FliImageFile.format, [".fli", ".flc"])
venv/Lib/site-packages/PIL/FontFile.py ADDED
@@ -0,0 +1,136 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # base class for raster font file parsers
6
+ #
7
+ # history:
8
+ # 1997-06-05 fl created
9
+ # 1997-08-19 fl restrict image width
10
+ #
11
+ # Copyright (c) 1997-1998 by Secret Labs AB
12
+ # Copyright (c) 1997-1998 by Fredrik Lundh
13
+ #
14
+ # See the README file for information on usage and redistribution.
15
+ #
16
+ from __future__ import annotations
17
+
18
+ import os
19
+ from typing import BinaryIO
20
+
21
+ from . import Image, _binary
22
+
23
+ WIDTH = 800
24
+
25
+
26
+ def puti16(
27
+ fp: BinaryIO, values: tuple[int, int, int, int, int, int, int, int, int, int]
28
+ ) -> None:
29
+ """Write network order (big-endian) 16-bit sequence"""
30
+ for v in values:
31
+ if v < 0:
32
+ v += 65536
33
+ fp.write(_binary.o16be(v))
34
+
35
+
36
+ class FontFile:
37
+ """Base class for raster font file handlers."""
38
+
39
+ bitmap: Image.Image | None = None
40
+
41
+ def __init__(self) -> None:
42
+ self.info: dict[bytes, bytes | int] = {}
43
+ self.glyph: list[
44
+ tuple[
45
+ tuple[int, int],
46
+ tuple[int, int, int, int],
47
+ tuple[int, int, int, int],
48
+ Image.Image,
49
+ ]
50
+ | None
51
+ ] = [None] * 256
52
+
53
+ def __getitem__(
54
+ self, ix: int
55
+ ) -> (
56
+ tuple[
57
+ tuple[int, int],
58
+ tuple[int, int, int, int],
59
+ tuple[int, int, int, int],
60
+ Image.Image,
61
+ ]
62
+ | None
63
+ ):
64
+ return self.glyph[ix]
65
+
66
+ def compile(self) -> None:
67
+ """Create metrics and bitmap"""
68
+
69
+ if self.bitmap:
70
+ return
71
+
72
+ # create bitmap large enough to hold all data
73
+ h = w = maxwidth = 0
74
+ lines = 1
75
+ for glyph in self.glyph:
76
+ if glyph:
77
+ d, dst, src, im = glyph
78
+ h = max(h, src[3] - src[1])
79
+ w = w + (src[2] - src[0])
80
+ if w > WIDTH:
81
+ lines += 1
82
+ w = src[2] - src[0]
83
+ maxwidth = max(maxwidth, w)
84
+
85
+ xsize = maxwidth
86
+ ysize = lines * h
87
+
88
+ if xsize == 0 and ysize == 0:
89
+ return
90
+
91
+ self.ysize = h
92
+
93
+ # paste glyphs into bitmap
94
+ self.bitmap = Image.new("1", (xsize, ysize))
95
+ self.metrics: list[
96
+ tuple[tuple[int, int], tuple[int, int, int, int], tuple[int, int, int, int]]
97
+ | None
98
+ ] = [None] * 256
99
+ x = y = 0
100
+ for i in range(256):
101
+ glyph = self[i]
102
+ if glyph:
103
+ d, dst, src, im = glyph
104
+ xx = src[2] - src[0]
105
+ x0, y0 = x, y
106
+ x = x + xx
107
+ if x > WIDTH:
108
+ x, y = 0, y + h
109
+ x0, y0 = x, y
110
+ x = xx
111
+ s = src[0] + x0, src[1] + y0, src[2] + x0, src[3] + y0
112
+ self.bitmap.paste(im.crop(src), s)
113
+ self.metrics[i] = d, dst, s
114
+
115
+ def save(self, filename: str) -> None:
116
+ """Save font"""
117
+
118
+ self.compile()
119
+
120
+ # font data
121
+ if not self.bitmap:
122
+ msg = "No bitmap created"
123
+ raise ValueError(msg)
124
+ self.bitmap.save(os.path.splitext(filename)[0] + ".pbm", "PNG")
125
+
126
+ # font metrics
127
+ with open(os.path.splitext(filename)[0] + ".pil", "wb") as fp:
128
+ fp.write(b"PILfont\n")
129
+ fp.write(f";;;;;;{self.ysize};\n".encode("ascii")) # HACK!!!
130
+ fp.write(b"DATA\n")
131
+ for id in range(256):
132
+ m = self.metrics[id]
133
+ if not m:
134
+ puti16(fp, (0,) * 10)
135
+ else:
136
+ puti16(fp, m[0] + m[1] + m[2])
venv/Lib/site-packages/PIL/FpxImagePlugin.py ADDED
@@ -0,0 +1,255 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # THIS IS WORK IN PROGRESS
3
+ #
4
+ # The Python Imaging Library.
5
+ # $Id$
6
+ #
7
+ # FlashPix support for PIL
8
+ #
9
+ # History:
10
+ # 97-01-25 fl Created (reads uncompressed RGB images only)
11
+ #
12
+ # Copyright (c) Secret Labs AB 1997.
13
+ # Copyright (c) Fredrik Lundh 1997.
14
+ #
15
+ # See the README file for information on usage and redistribution.
16
+ #
17
+ from __future__ import annotations
18
+
19
+ import olefile
20
+
21
+ from . import Image, ImageFile
22
+ from ._binary import i32le as i32
23
+
24
+ # we map from colour field tuples to (mode, rawmode) descriptors
25
+ MODES = {
26
+ # opacity
27
+ (0x00007FFE,): ("A", "L"),
28
+ # monochrome
29
+ (0x00010000,): ("L", "L"),
30
+ (0x00018000, 0x00017FFE): ("RGBA", "LA"),
31
+ # photo YCC
32
+ (0x00020000, 0x00020001, 0x00020002): ("RGB", "YCC;P"),
33
+ (0x00028000, 0x00028001, 0x00028002, 0x00027FFE): ("RGBA", "YCCA;P"),
34
+ # standard RGB (NIFRGB)
35
+ (0x00030000, 0x00030001, 0x00030002): ("RGB", "RGB"),
36
+ (0x00038000, 0x00038001, 0x00038002, 0x00037FFE): ("RGBA", "RGBA"),
37
+ }
38
+
39
+
40
+ #
41
+ # --------------------------------------------------------------------
42
+
43
+
44
+ def _accept(prefix):
45
+ return prefix[:8] == olefile.MAGIC
46
+
47
+
48
+ ##
49
+ # Image plugin for the FlashPix images.
50
+
51
+
52
+ class FpxImageFile(ImageFile.ImageFile):
53
+ format = "FPX"
54
+ format_description = "FlashPix"
55
+
56
+ def _open(self):
57
+ #
58
+ # read the OLE directory and see if this is a likely
59
+ # to be a FlashPix file
60
+
61
+ try:
62
+ self.ole = olefile.OleFileIO(self.fp)
63
+ except OSError as e:
64
+ msg = "not an FPX file; invalid OLE file"
65
+ raise SyntaxError(msg) from e
66
+
67
+ if self.ole.root.clsid != "56616700-C154-11CE-8553-00AA00A1F95B":
68
+ msg = "not an FPX file; bad root CLSID"
69
+ raise SyntaxError(msg)
70
+
71
+ self._open_index(1)
72
+
73
+ def _open_index(self, index=1):
74
+ #
75
+ # get the Image Contents Property Set
76
+
77
+ prop = self.ole.getproperties(
78
+ [f"Data Object Store {index:06d}", "\005Image Contents"]
79
+ )
80
+
81
+ # size (highest resolution)
82
+
83
+ self._size = prop[0x1000002], prop[0x1000003]
84
+
85
+ size = max(self.size)
86
+ i = 1
87
+ while size > 64:
88
+ size = size / 2
89
+ i += 1
90
+ self.maxid = i - 1
91
+
92
+ # mode. instead of using a single field for this, flashpix
93
+ # requires you to specify the mode for each channel in each
94
+ # resolution subimage, and leaves it to the decoder to make
95
+ # sure that they all match. for now, we'll cheat and assume
96
+ # that this is always the case.
97
+
98
+ id = self.maxid << 16
99
+
100
+ s = prop[0x2000002 | id]
101
+
102
+ bands = i32(s, 4)
103
+ if bands > 4:
104
+ msg = "Invalid number of bands"
105
+ raise OSError(msg)
106
+
107
+ # note: for now, we ignore the "uncalibrated" flag
108
+ colors = tuple(i32(s, 8 + i * 4) & 0x7FFFFFFF for i in range(bands))
109
+
110
+ self._mode, self.rawmode = MODES[colors]
111
+
112
+ # load JPEG tables, if any
113
+ self.jpeg = {}
114
+ for i in range(256):
115
+ id = 0x3000001 | (i << 16)
116
+ if id in prop:
117
+ self.jpeg[i] = prop[id]
118
+
119
+ self._open_subimage(1, self.maxid)
120
+
121
+ def _open_subimage(self, index=1, subimage=0):
122
+ #
123
+ # setup tile descriptors for a given subimage
124
+
125
+ stream = [
126
+ f"Data Object Store {index:06d}",
127
+ f"Resolution {subimage:04d}",
128
+ "Subimage 0000 Header",
129
+ ]
130
+
131
+ fp = self.ole.openstream(stream)
132
+
133
+ # skip prefix
134
+ fp.read(28)
135
+
136
+ # header stream
137
+ s = fp.read(36)
138
+
139
+ size = i32(s, 4), i32(s, 8)
140
+ # tilecount = i32(s, 12)
141
+ tilesize = i32(s, 16), i32(s, 20)
142
+ # channels = i32(s, 24)
143
+ offset = i32(s, 28)
144
+ length = i32(s, 32)
145
+
146
+ if size != self.size:
147
+ msg = "subimage mismatch"
148
+ raise OSError(msg)
149
+
150
+ # get tile descriptors
151
+ fp.seek(28 + offset)
152
+ s = fp.read(i32(s, 12) * length)
153
+
154
+ x = y = 0
155
+ xsize, ysize = size
156
+ xtile, ytile = tilesize
157
+ self.tile = []
158
+
159
+ for i in range(0, len(s), length):
160
+ x1 = min(xsize, x + xtile)
161
+ y1 = min(ysize, y + ytile)
162
+
163
+ compression = i32(s, i + 8)
164
+
165
+ if compression == 0:
166
+ self.tile.append(
167
+ (
168
+ "raw",
169
+ (x, y, x1, y1),
170
+ i32(s, i) + 28,
171
+ (self.rawmode,),
172
+ )
173
+ )
174
+
175
+ elif compression == 1:
176
+ # FIXME: the fill decoder is not implemented
177
+ self.tile.append(
178
+ (
179
+ "fill",
180
+ (x, y, x1, y1),
181
+ i32(s, i) + 28,
182
+ (self.rawmode, s[12:16]),
183
+ )
184
+ )
185
+
186
+ elif compression == 2:
187
+ internal_color_conversion = s[14]
188
+ jpeg_tables = s[15]
189
+ rawmode = self.rawmode
190
+
191
+ if internal_color_conversion:
192
+ # The image is stored as usual (usually YCbCr).
193
+ if rawmode == "RGBA":
194
+ # For "RGBA", data is stored as YCbCrA based on
195
+ # negative RGB. The following trick works around
196
+ # this problem :
197
+ jpegmode, rawmode = "YCbCrK", "CMYK"
198
+ else:
199
+ jpegmode = None # let the decoder decide
200
+
201
+ else:
202
+ # The image is stored as defined by rawmode
203
+ jpegmode = rawmode
204
+
205
+ self.tile.append(
206
+ (
207
+ "jpeg",
208
+ (x, y, x1, y1),
209
+ i32(s, i) + 28,
210
+ (rawmode, jpegmode),
211
+ )
212
+ )
213
+
214
+ # FIXME: jpeg tables are tile dependent; the prefix
215
+ # data must be placed in the tile descriptor itself!
216
+
217
+ if jpeg_tables:
218
+ self.tile_prefix = self.jpeg[jpeg_tables]
219
+
220
+ else:
221
+ msg = "unknown/invalid compression"
222
+ raise OSError(msg)
223
+
224
+ x = x + xtile
225
+ if x >= xsize:
226
+ x, y = 0, y + ytile
227
+ if y >= ysize:
228
+ break # isn't really required
229
+
230
+ self.stream = stream
231
+ self._fp = self.fp
232
+ self.fp = None
233
+
234
+ def load(self):
235
+ if not self.fp:
236
+ self.fp = self.ole.openstream(self.stream[:2] + ["Subimage 0000 Data"])
237
+
238
+ return ImageFile.ImageFile.load(self)
239
+
240
+ def close(self):
241
+ self.ole.close()
242
+ super().close()
243
+
244
+ def __exit__(self, *args):
245
+ self.ole.close()
246
+ super().__exit__()
247
+
248
+
249
+ #
250
+ # --------------------------------------------------------------------
251
+
252
+
253
+ Image.register_open(FpxImageFile.format, FpxImageFile, _accept)
254
+
255
+ Image.register_extension(FpxImageFile.format, ".fpx")
venv/Lib/site-packages/PIL/FtexImagePlugin.py ADDED
@@ -0,0 +1,114 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """
2
+ A Pillow loader for .ftc and .ftu files (FTEX)
3
+ Jerome Leclanche <jerome@leclan.ch>
4
+
5
+ The contents of this file are hereby released in the public domain (CC0)
6
+ Full text of the CC0 license:
7
+ https://creativecommons.org/publicdomain/zero/1.0/
8
+
9
+ Independence War 2: Edge Of Chaos - Texture File Format - 16 October 2001
10
+
11
+ The textures used for 3D objects in Independence War 2: Edge Of Chaos are in a
12
+ packed custom format called FTEX. This file format uses file extensions FTC
13
+ and FTU.
14
+ * FTC files are compressed textures (using standard texture compression).
15
+ * FTU files are not compressed.
16
+ Texture File Format
17
+ The FTC and FTU texture files both use the same format. This
18
+ has the following structure:
19
+ {header}
20
+ {format_directory}
21
+ {data}
22
+ Where:
23
+ {header} = {
24
+ u32:magic,
25
+ u32:version,
26
+ u32:width,
27
+ u32:height,
28
+ u32:mipmap_count,
29
+ u32:format_count
30
+ }
31
+
32
+ * The "magic" number is "FTEX".
33
+ * "width" and "height" are the dimensions of the texture.
34
+ * "mipmap_count" is the number of mipmaps in the texture.
35
+ * "format_count" is the number of texture formats (different versions of the
36
+ same texture) in this file.
37
+
38
+ {format_directory} = format_count * { u32:format, u32:where }
39
+
40
+ The format value is 0 for DXT1 compressed textures and 1 for 24-bit RGB
41
+ uncompressed textures.
42
+ The texture data for a format starts at the position "where" in the file.
43
+
44
+ Each set of texture data in the file has the following structure:
45
+ {data} = format_count * { u32:mipmap_size, mipmap_size * { u8 } }
46
+ * "mipmap_size" is the number of bytes in that mip level. For compressed
47
+ textures this is the size of the texture data compressed with DXT1. For 24 bit
48
+ uncompressed textures, this is 3 * width * height. Following this are the image
49
+ bytes for that mipmap level.
50
+
51
+ Note: All data is stored in little-Endian (Intel) byte order.
52
+ """
53
+ from __future__ import annotations
54
+
55
+ import struct
56
+ from enum import IntEnum
57
+ from io import BytesIO
58
+
59
+ from . import Image, ImageFile
60
+
61
+ MAGIC = b"FTEX"
62
+
63
+
64
+ class Format(IntEnum):
65
+ DXT1 = 0
66
+ UNCOMPRESSED = 1
67
+
68
+
69
+ class FtexImageFile(ImageFile.ImageFile):
70
+ format = "FTEX"
71
+ format_description = "Texture File Format (IW2:EOC)"
72
+
73
+ def _open(self):
74
+ if not _accept(self.fp.read(4)):
75
+ msg = "not an FTEX file"
76
+ raise SyntaxError(msg)
77
+ struct.unpack("<i", self.fp.read(4)) # version
78
+ self._size = struct.unpack("<2i", self.fp.read(8))
79
+ mipmap_count, format_count = struct.unpack("<2i", self.fp.read(8))
80
+
81
+ self._mode = "RGB"
82
+
83
+ # Only support single-format files.
84
+ # I don't know of any multi-format file.
85
+ assert format_count == 1
86
+
87
+ format, where = struct.unpack("<2i", self.fp.read(8))
88
+ self.fp.seek(where)
89
+ (mipmap_size,) = struct.unpack("<i", self.fp.read(4))
90
+
91
+ data = self.fp.read(mipmap_size)
92
+
93
+ if format == Format.DXT1:
94
+ self._mode = "RGBA"
95
+ self.tile = [("bcn", (0, 0) + self.size, 0, 1)]
96
+ elif format == Format.UNCOMPRESSED:
97
+ self.tile = [("raw", (0, 0) + self.size, 0, ("RGB", 0, 1))]
98
+ else:
99
+ msg = f"Invalid texture compression format: {repr(format)}"
100
+ raise ValueError(msg)
101
+
102
+ self.fp.close()
103
+ self.fp = BytesIO(data)
104
+
105
+ def load_seek(self, pos):
106
+ pass
107
+
108
+
109
+ def _accept(prefix):
110
+ return prefix[:4] == MAGIC
111
+
112
+
113
+ Image.register_open(FtexImageFile.format, FtexImageFile, _accept)
114
+ Image.register_extensions(FtexImageFile.format, [".ftc", ".ftu"])
venv/Lib/site-packages/PIL/GbrImagePlugin.py ADDED
@@ -0,0 +1,103 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ #
4
+ # load a GIMP brush file
5
+ #
6
+ # History:
7
+ # 96-03-14 fl Created
8
+ # 16-01-08 es Version 2
9
+ #
10
+ # Copyright (c) Secret Labs AB 1997.
11
+ # Copyright (c) Fredrik Lundh 1996.
12
+ # Copyright (c) Eric Soroos 2016.
13
+ #
14
+ # See the README file for information on usage and redistribution.
15
+ #
16
+ #
17
+ # See https://github.com/GNOME/gimp/blob/mainline/devel-docs/gbr.txt for
18
+ # format documentation.
19
+ #
20
+ # This code Interprets version 1 and 2 .gbr files.
21
+ # Version 1 files are obsolete, and should not be used for new
22
+ # brushes.
23
+ # Version 2 files are saved by GIMP v2.8 (at least)
24
+ # Version 3 files have a format specifier of 18 for 16bit floats in
25
+ # the color depth field. This is currently unsupported by Pillow.
26
+ from __future__ import annotations
27
+
28
+ from . import Image, ImageFile
29
+ from ._binary import i32be as i32
30
+
31
+
32
+ def _accept(prefix):
33
+ return len(prefix) >= 8 and i32(prefix, 0) >= 20 and i32(prefix, 4) in (1, 2)
34
+
35
+
36
+ ##
37
+ # Image plugin for the GIMP brush format.
38
+
39
+
40
+ class GbrImageFile(ImageFile.ImageFile):
41
+ format = "GBR"
42
+ format_description = "GIMP brush file"
43
+
44
+ def _open(self):
45
+ header_size = i32(self.fp.read(4))
46
+ if header_size < 20:
47
+ msg = "not a GIMP brush"
48
+ raise SyntaxError(msg)
49
+ version = i32(self.fp.read(4))
50
+ if version not in (1, 2):
51
+ msg = f"Unsupported GIMP brush version: {version}"
52
+ raise SyntaxError(msg)
53
+
54
+ width = i32(self.fp.read(4))
55
+ height = i32(self.fp.read(4))
56
+ color_depth = i32(self.fp.read(4))
57
+ if width <= 0 or height <= 0:
58
+ msg = "not a GIMP brush"
59
+ raise SyntaxError(msg)
60
+ if color_depth not in (1, 4):
61
+ msg = f"Unsupported GIMP brush color depth: {color_depth}"
62
+ raise SyntaxError(msg)
63
+
64
+ if version == 1:
65
+ comment_length = header_size - 20
66
+ else:
67
+ comment_length = header_size - 28
68
+ magic_number = self.fp.read(4)
69
+ if magic_number != b"GIMP":
70
+ msg = "not a GIMP brush, bad magic number"
71
+ raise SyntaxError(msg)
72
+ self.info["spacing"] = i32(self.fp.read(4))
73
+
74
+ comment = self.fp.read(comment_length)[:-1]
75
+
76
+ if color_depth == 1:
77
+ self._mode = "L"
78
+ else:
79
+ self._mode = "RGBA"
80
+
81
+ self._size = width, height
82
+
83
+ self.info["comment"] = comment
84
+
85
+ # Image might not be small
86
+ Image._decompression_bomb_check(self.size)
87
+
88
+ # Data is an uncompressed block of w * h * bytes/pixel
89
+ self._data_size = width * height * color_depth
90
+
91
+ def load(self):
92
+ if not self.im:
93
+ self.im = Image.core.new(self.mode, self.size)
94
+ self.frombytes(self.fp.read(self._data_size))
95
+ return Image.Image.load(self)
96
+
97
+
98
+ #
99
+ # registry
100
+
101
+
102
+ Image.register_open(GbrImageFile.format, GbrImageFile, _accept)
103
+ Image.register_extension(GbrImageFile.format, ".gbr")
venv/Lib/site-packages/PIL/GdImageFile.py ADDED
@@ -0,0 +1,97 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # GD file handling
6
+ #
7
+ # History:
8
+ # 1996-04-12 fl Created
9
+ #
10
+ # Copyright (c) 1997 by Secret Labs AB.
11
+ # Copyright (c) 1996 by Fredrik Lundh.
12
+ #
13
+ # See the README file for information on usage and redistribution.
14
+ #
15
+
16
+
17
+ """
18
+ .. note::
19
+ This format cannot be automatically recognized, so the
20
+ class is not registered for use with :py:func:`PIL.Image.open()`. To open a
21
+ gd file, use the :py:func:`PIL.GdImageFile.open()` function instead.
22
+
23
+ .. warning::
24
+ THE GD FORMAT IS NOT DESIGNED FOR DATA INTERCHANGE. This
25
+ implementation is provided for convenience and demonstrational
26
+ purposes only.
27
+ """
28
+ from __future__ import annotations
29
+
30
+ from . import ImageFile, ImagePalette, UnidentifiedImageError
31
+ from ._binary import i16be as i16
32
+ from ._binary import i32be as i32
33
+
34
+
35
+ class GdImageFile(ImageFile.ImageFile):
36
+ """
37
+ Image plugin for the GD uncompressed format. Note that this format
38
+ is not supported by the standard :py:func:`PIL.Image.open()` function. To use
39
+ this plugin, you have to import the :py:mod:`PIL.GdImageFile` module and
40
+ use the :py:func:`PIL.GdImageFile.open()` function.
41
+ """
42
+
43
+ format = "GD"
44
+ format_description = "GD uncompressed images"
45
+
46
+ def _open(self):
47
+ # Header
48
+ s = self.fp.read(1037)
49
+
50
+ if i16(s) not in [65534, 65535]:
51
+ msg = "Not a valid GD 2.x .gd file"
52
+ raise SyntaxError(msg)
53
+
54
+ self._mode = "L" # FIXME: "P"
55
+ self._size = i16(s, 2), i16(s, 4)
56
+
57
+ true_color = s[6]
58
+ true_color_offset = 2 if true_color else 0
59
+
60
+ # transparency index
61
+ tindex = i32(s, 7 + true_color_offset)
62
+ if tindex < 256:
63
+ self.info["transparency"] = tindex
64
+
65
+ self.palette = ImagePalette.raw(
66
+ "XBGR", s[7 + true_color_offset + 4 : 7 + true_color_offset + 4 + 256 * 4]
67
+ )
68
+
69
+ self.tile = [
70
+ (
71
+ "raw",
72
+ (0, 0) + self.size,
73
+ 7 + true_color_offset + 4 + 256 * 4,
74
+ ("L", 0, 1),
75
+ )
76
+ ]
77
+
78
+
79
+ def open(fp, mode="r"):
80
+ """
81
+ Load texture from a GD image file.
82
+
83
+ :param fp: GD file name, or an opened file handle.
84
+ :param mode: Optional mode. In this version, if the mode argument
85
+ is given, it must be "r".
86
+ :returns: An image instance.
87
+ :raises OSError: If the image could not be read.
88
+ """
89
+ if mode != "r":
90
+ msg = "bad mode"
91
+ raise ValueError(msg)
92
+
93
+ try:
94
+ return GdImageFile(fp)
95
+ except SyntaxError as e:
96
+ msg = "cannot identify this image file"
97
+ raise UnidentifiedImageError(msg) from e
venv/Lib/site-packages/PIL/GifImagePlugin.py ADDED
@@ -0,0 +1,1097 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # GIF file handling
6
+ #
7
+ # History:
8
+ # 1995-09-01 fl Created
9
+ # 1996-12-14 fl Added interlace support
10
+ # 1996-12-30 fl Added animation support
11
+ # 1997-01-05 fl Added write support, fixed local colour map bug
12
+ # 1997-02-23 fl Make sure to load raster data in getdata()
13
+ # 1997-07-05 fl Support external decoder (0.4)
14
+ # 1998-07-09 fl Handle all modes when saving (0.5)
15
+ # 1998-07-15 fl Renamed offset attribute to avoid name clash
16
+ # 2001-04-16 fl Added rewind support (seek to frame 0) (0.6)
17
+ # 2001-04-17 fl Added palette optimization (0.7)
18
+ # 2002-06-06 fl Added transparency support for save (0.8)
19
+ # 2004-02-24 fl Disable interlacing for small images
20
+ #
21
+ # Copyright (c) 1997-2004 by Secret Labs AB
22
+ # Copyright (c) 1995-2004 by Fredrik Lundh
23
+ #
24
+ # See the README file for information on usage and redistribution.
25
+ #
26
+ from __future__ import annotations
27
+
28
+ import itertools
29
+ import math
30
+ import os
31
+ import subprocess
32
+ from enum import IntEnum
33
+
34
+ from . import (
35
+ Image,
36
+ ImageChops,
37
+ ImageFile,
38
+ ImageMath,
39
+ ImageOps,
40
+ ImagePalette,
41
+ ImageSequence,
42
+ )
43
+ from ._binary import i16le as i16
44
+ from ._binary import o8
45
+ from ._binary import o16le as o16
46
+
47
+
48
+ class LoadingStrategy(IntEnum):
49
+ """.. versionadded:: 9.1.0"""
50
+
51
+ RGB_AFTER_FIRST = 0
52
+ RGB_AFTER_DIFFERENT_PALETTE_ONLY = 1
53
+ RGB_ALWAYS = 2
54
+
55
+
56
+ #: .. versionadded:: 9.1.0
57
+ LOADING_STRATEGY = LoadingStrategy.RGB_AFTER_FIRST
58
+
59
+ # --------------------------------------------------------------------
60
+ # Identify/read GIF files
61
+
62
+
63
+ def _accept(prefix):
64
+ return prefix[:6] in [b"GIF87a", b"GIF89a"]
65
+
66
+
67
+ ##
68
+ # Image plugin for GIF images. This plugin supports both GIF87 and
69
+ # GIF89 images.
70
+
71
+
72
+ class GifImageFile(ImageFile.ImageFile):
73
+ format = "GIF"
74
+ format_description = "Compuserve GIF"
75
+ _close_exclusive_fp_after_loading = False
76
+
77
+ global_palette = None
78
+
79
+ def data(self):
80
+ s = self.fp.read(1)
81
+ if s and s[0]:
82
+ return self.fp.read(s[0])
83
+ return None
84
+
85
+ def _is_palette_needed(self, p):
86
+ for i in range(0, len(p), 3):
87
+ if not (i // 3 == p[i] == p[i + 1] == p[i + 2]):
88
+ return True
89
+ return False
90
+
91
+ def _open(self):
92
+ # Screen
93
+ s = self.fp.read(13)
94
+ if not _accept(s):
95
+ msg = "not a GIF file"
96
+ raise SyntaxError(msg)
97
+
98
+ self.info["version"] = s[:6]
99
+ self._size = i16(s, 6), i16(s, 8)
100
+ self.tile = []
101
+ flags = s[10]
102
+ bits = (flags & 7) + 1
103
+
104
+ if flags & 128:
105
+ # get global palette
106
+ self.info["background"] = s[11]
107
+ # check if palette contains colour indices
108
+ p = self.fp.read(3 << bits)
109
+ if self._is_palette_needed(p):
110
+ p = ImagePalette.raw("RGB", p)
111
+ self.global_palette = self.palette = p
112
+
113
+ self._fp = self.fp # FIXME: hack
114
+ self.__rewind = self.fp.tell()
115
+ self._n_frames = None
116
+ self._is_animated = None
117
+ self._seek(0) # get ready to read first frame
118
+
119
+ @property
120
+ def n_frames(self):
121
+ if self._n_frames is None:
122
+ current = self.tell()
123
+ try:
124
+ while True:
125
+ self._seek(self.tell() + 1, False)
126
+ except EOFError:
127
+ self._n_frames = self.tell() + 1
128
+ self.seek(current)
129
+ return self._n_frames
130
+
131
+ @property
132
+ def is_animated(self):
133
+ if self._is_animated is None:
134
+ if self._n_frames is not None:
135
+ self._is_animated = self._n_frames != 1
136
+ else:
137
+ current = self.tell()
138
+ if current:
139
+ self._is_animated = True
140
+ else:
141
+ try:
142
+ self._seek(1, False)
143
+ self._is_animated = True
144
+ except EOFError:
145
+ self._is_animated = False
146
+
147
+ self.seek(current)
148
+ return self._is_animated
149
+
150
+ def seek(self, frame):
151
+ if not self._seek_check(frame):
152
+ return
153
+ if frame < self.__frame:
154
+ self.im = None
155
+ self._seek(0)
156
+
157
+ last_frame = self.__frame
158
+ for f in range(self.__frame + 1, frame + 1):
159
+ try:
160
+ self._seek(f)
161
+ except EOFError as e:
162
+ self.seek(last_frame)
163
+ msg = "no more images in GIF file"
164
+ raise EOFError(msg) from e
165
+
166
+ def _seek(self, frame, update_image=True):
167
+ if frame == 0:
168
+ # rewind
169
+ self.__offset = 0
170
+ self.dispose = None
171
+ self.__frame = -1
172
+ self._fp.seek(self.__rewind)
173
+ self.disposal_method = 0
174
+ if "comment" in self.info:
175
+ del self.info["comment"]
176
+ else:
177
+ # ensure that the previous frame was loaded
178
+ if self.tile and update_image:
179
+ self.load()
180
+
181
+ if frame != self.__frame + 1:
182
+ msg = f"cannot seek to frame {frame}"
183
+ raise ValueError(msg)
184
+
185
+ self.fp = self._fp
186
+ if self.__offset:
187
+ # backup to last frame
188
+ self.fp.seek(self.__offset)
189
+ while self.data():
190
+ pass
191
+ self.__offset = 0
192
+
193
+ s = self.fp.read(1)
194
+ if not s or s == b";":
195
+ msg = "no more images in GIF file"
196
+ raise EOFError(msg)
197
+
198
+ palette = None
199
+
200
+ info = {}
201
+ frame_transparency = None
202
+ interlace = None
203
+ frame_dispose_extent = None
204
+ while True:
205
+ if not s:
206
+ s = self.fp.read(1)
207
+ if not s or s == b";":
208
+ break
209
+
210
+ elif s == b"!":
211
+ #
212
+ # extensions
213
+ #
214
+ s = self.fp.read(1)
215
+ block = self.data()
216
+ if s[0] == 249:
217
+ #
218
+ # graphic control extension
219
+ #
220
+ flags = block[0]
221
+ if flags & 1:
222
+ frame_transparency = block[3]
223
+ info["duration"] = i16(block, 1) * 10
224
+
225
+ # disposal method - find the value of bits 4 - 6
226
+ dispose_bits = 0b00011100 & flags
227
+ dispose_bits = dispose_bits >> 2
228
+ if dispose_bits:
229
+ # only set the dispose if it is not
230
+ # unspecified. I'm not sure if this is
231
+ # correct, but it seems to prevent the last
232
+ # frame from looking odd for some animations
233
+ self.disposal_method = dispose_bits
234
+ elif s[0] == 254:
235
+ #
236
+ # comment extension
237
+ #
238
+ comment = b""
239
+
240
+ # Read this comment block
241
+ while block:
242
+ comment += block
243
+ block = self.data()
244
+
245
+ if "comment" in info:
246
+ # If multiple comment blocks in frame, separate with \n
247
+ info["comment"] += b"\n" + comment
248
+ else:
249
+ info["comment"] = comment
250
+ s = None
251
+ continue
252
+ elif s[0] == 255 and frame == 0:
253
+ #
254
+ # application extension
255
+ #
256
+ info["extension"] = block, self.fp.tell()
257
+ if block[:11] == b"NETSCAPE2.0":
258
+ block = self.data()
259
+ if len(block) >= 3 and block[0] == 1:
260
+ self.info["loop"] = i16(block, 1)
261
+ while self.data():
262
+ pass
263
+
264
+ elif s == b",":
265
+ #
266
+ # local image
267
+ #
268
+ s = self.fp.read(9)
269
+
270
+ # extent
271
+ x0, y0 = i16(s, 0), i16(s, 2)
272
+ x1, y1 = x0 + i16(s, 4), y0 + i16(s, 6)
273
+ if (x1 > self.size[0] or y1 > self.size[1]) and update_image:
274
+ self._size = max(x1, self.size[0]), max(y1, self.size[1])
275
+ Image._decompression_bomb_check(self._size)
276
+ frame_dispose_extent = x0, y0, x1, y1
277
+ flags = s[8]
278
+
279
+ interlace = (flags & 64) != 0
280
+
281
+ if flags & 128:
282
+ bits = (flags & 7) + 1
283
+ p = self.fp.read(3 << bits)
284
+ if self._is_palette_needed(p):
285
+ palette = ImagePalette.raw("RGB", p)
286
+ else:
287
+ palette = False
288
+
289
+ # image data
290
+ bits = self.fp.read(1)[0]
291
+ self.__offset = self.fp.tell()
292
+ break
293
+ s = None
294
+
295
+ if interlace is None:
296
+ msg = "image not found in GIF frame"
297
+ raise EOFError(msg)
298
+
299
+ self.__frame = frame
300
+ if not update_image:
301
+ return
302
+
303
+ self.tile = []
304
+
305
+ if self.dispose:
306
+ self.im.paste(self.dispose, self.dispose_extent)
307
+
308
+ self._frame_palette = palette if palette is not None else self.global_palette
309
+ self._frame_transparency = frame_transparency
310
+ if frame == 0:
311
+ if self._frame_palette:
312
+ if LOADING_STRATEGY == LoadingStrategy.RGB_ALWAYS:
313
+ self._mode = "RGBA" if frame_transparency is not None else "RGB"
314
+ else:
315
+ self._mode = "P"
316
+ else:
317
+ self._mode = "L"
318
+
319
+ if not palette and self.global_palette:
320
+ from copy import copy
321
+
322
+ palette = copy(self.global_palette)
323
+ self.palette = palette
324
+ else:
325
+ if self.mode == "P":
326
+ if (
327
+ LOADING_STRATEGY != LoadingStrategy.RGB_AFTER_DIFFERENT_PALETTE_ONLY
328
+ or palette
329
+ ):
330
+ self.pyaccess = None
331
+ if "transparency" in self.info:
332
+ self.im.putpalettealpha(self.info["transparency"], 0)
333
+ self.im = self.im.convert("RGBA", Image.Dither.FLOYDSTEINBERG)
334
+ self._mode = "RGBA"
335
+ del self.info["transparency"]
336
+ else:
337
+ self._mode = "RGB"
338
+ self.im = self.im.convert("RGB", Image.Dither.FLOYDSTEINBERG)
339
+
340
+ def _rgb(color):
341
+ if self._frame_palette:
342
+ if color * 3 + 3 > len(self._frame_palette.palette):
343
+ color = 0
344
+ color = tuple(self._frame_palette.palette[color * 3 : color * 3 + 3])
345
+ else:
346
+ color = (color, color, color)
347
+ return color
348
+
349
+ self.dispose_extent = frame_dispose_extent
350
+ try:
351
+ if self.disposal_method < 2:
352
+ # do not dispose or none specified
353
+ self.dispose = None
354
+ elif self.disposal_method == 2:
355
+ # replace with background colour
356
+
357
+ # only dispose the extent in this frame
358
+ x0, y0, x1, y1 = self.dispose_extent
359
+ dispose_size = (x1 - x0, y1 - y0)
360
+
361
+ Image._decompression_bomb_check(dispose_size)
362
+
363
+ # by convention, attempt to use transparency first
364
+ dispose_mode = "P"
365
+ color = self.info.get("transparency", frame_transparency)
366
+ if color is not None:
367
+ if self.mode in ("RGB", "RGBA"):
368
+ dispose_mode = "RGBA"
369
+ color = _rgb(color) + (0,)
370
+ else:
371
+ color = self.info.get("background", 0)
372
+ if self.mode in ("RGB", "RGBA"):
373
+ dispose_mode = "RGB"
374
+ color = _rgb(color)
375
+ self.dispose = Image.core.fill(dispose_mode, dispose_size, color)
376
+ else:
377
+ # replace with previous contents
378
+ if self.im is not None:
379
+ # only dispose the extent in this frame
380
+ self.dispose = self._crop(self.im, self.dispose_extent)
381
+ elif frame_transparency is not None:
382
+ x0, y0, x1, y1 = self.dispose_extent
383
+ dispose_size = (x1 - x0, y1 - y0)
384
+
385
+ Image._decompression_bomb_check(dispose_size)
386
+ dispose_mode = "P"
387
+ color = frame_transparency
388
+ if self.mode in ("RGB", "RGBA"):
389
+ dispose_mode = "RGBA"
390
+ color = _rgb(frame_transparency) + (0,)
391
+ self.dispose = Image.core.fill(dispose_mode, dispose_size, color)
392
+ except AttributeError:
393
+ pass
394
+
395
+ if interlace is not None:
396
+ transparency = -1
397
+ if frame_transparency is not None:
398
+ if frame == 0:
399
+ if LOADING_STRATEGY != LoadingStrategy.RGB_ALWAYS:
400
+ self.info["transparency"] = frame_transparency
401
+ elif self.mode not in ("RGB", "RGBA"):
402
+ transparency = frame_transparency
403
+ self.tile = [
404
+ (
405
+ "gif",
406
+ (x0, y0, x1, y1),
407
+ self.__offset,
408
+ (bits, interlace, transparency),
409
+ )
410
+ ]
411
+
412
+ if info.get("comment"):
413
+ self.info["comment"] = info["comment"]
414
+ for k in ["duration", "extension"]:
415
+ if k in info:
416
+ self.info[k] = info[k]
417
+ elif k in self.info:
418
+ del self.info[k]
419
+
420
+ def load_prepare(self):
421
+ temp_mode = "P" if self._frame_palette else "L"
422
+ self._prev_im = None
423
+ if self.__frame == 0:
424
+ if self._frame_transparency is not None:
425
+ self.im = Image.core.fill(
426
+ temp_mode, self.size, self._frame_transparency
427
+ )
428
+ elif self.mode in ("RGB", "RGBA"):
429
+ self._prev_im = self.im
430
+ if self._frame_palette:
431
+ self.im = Image.core.fill("P", self.size, self._frame_transparency or 0)
432
+ self.im.putpalette(*self._frame_palette.getdata())
433
+ else:
434
+ self.im = None
435
+ self._mode = temp_mode
436
+ self._frame_palette = None
437
+
438
+ super().load_prepare()
439
+
440
+ def load_end(self):
441
+ if self.__frame == 0:
442
+ if self.mode == "P" and LOADING_STRATEGY == LoadingStrategy.RGB_ALWAYS:
443
+ if self._frame_transparency is not None:
444
+ self.im.putpalettealpha(self._frame_transparency, 0)
445
+ self._mode = "RGBA"
446
+ else:
447
+ self._mode = "RGB"
448
+ self.im = self.im.convert(self.mode, Image.Dither.FLOYDSTEINBERG)
449
+ return
450
+ if not self._prev_im:
451
+ return
452
+ if self._frame_transparency is not None:
453
+ self.im.putpalettealpha(self._frame_transparency, 0)
454
+ frame_im = self.im.convert("RGBA")
455
+ else:
456
+ frame_im = self.im.convert("RGB")
457
+ frame_im = self._crop(frame_im, self.dispose_extent)
458
+
459
+ self.im = self._prev_im
460
+ self._mode = self.im.mode
461
+ if frame_im.mode == "RGBA":
462
+ self.im.paste(frame_im, self.dispose_extent, frame_im)
463
+ else:
464
+ self.im.paste(frame_im, self.dispose_extent)
465
+
466
+ def tell(self):
467
+ return self.__frame
468
+
469
+
470
+ # --------------------------------------------------------------------
471
+ # Write GIF files
472
+
473
+
474
+ RAWMODE = {"1": "L", "L": "L", "P": "P"}
475
+
476
+
477
+ def _normalize_mode(im):
478
+ """
479
+ Takes an image (or frame), returns an image in a mode that is appropriate
480
+ for saving in a Gif.
481
+
482
+ It may return the original image, or it may return an image converted to
483
+ palette or 'L' mode.
484
+
485
+ :param im: Image object
486
+ :returns: Image object
487
+ """
488
+ if im.mode in RAWMODE:
489
+ im.load()
490
+ return im
491
+ if Image.getmodebase(im.mode) == "RGB":
492
+ im = im.convert("P", palette=Image.Palette.ADAPTIVE)
493
+ if im.palette.mode == "RGBA":
494
+ for rgba in im.palette.colors:
495
+ if rgba[3] == 0:
496
+ im.info["transparency"] = im.palette.colors[rgba]
497
+ break
498
+ return im
499
+ return im.convert("L")
500
+
501
+
502
+ def _normalize_palette(im, palette, info):
503
+ """
504
+ Normalizes the palette for image.
505
+ - Sets the palette to the incoming palette, if provided.
506
+ - Ensures that there's a palette for L mode images
507
+ - Optimizes the palette if necessary/desired.
508
+
509
+ :param im: Image object
510
+ :param palette: bytes object containing the source palette, or ....
511
+ :param info: encoderinfo
512
+ :returns: Image object
513
+ """
514
+ source_palette = None
515
+ if palette:
516
+ # a bytes palette
517
+ if isinstance(palette, (bytes, bytearray, list)):
518
+ source_palette = bytearray(palette[:768])
519
+ if isinstance(palette, ImagePalette.ImagePalette):
520
+ source_palette = bytearray(palette.palette)
521
+
522
+ if im.mode == "P":
523
+ if not source_palette:
524
+ source_palette = im.im.getpalette("RGB")[:768]
525
+ else: # L-mode
526
+ if not source_palette:
527
+ source_palette = bytearray(i // 3 for i in range(768))
528
+ im.palette = ImagePalette.ImagePalette("RGB", palette=source_palette)
529
+
530
+ if palette:
531
+ used_palette_colors = []
532
+ for i in range(0, len(source_palette), 3):
533
+ source_color = tuple(source_palette[i : i + 3])
534
+ index = im.palette.colors.get(source_color)
535
+ if index in used_palette_colors:
536
+ index = None
537
+ used_palette_colors.append(index)
538
+ for i, index in enumerate(used_palette_colors):
539
+ if index is None:
540
+ for j in range(len(used_palette_colors)):
541
+ if j not in used_palette_colors:
542
+ used_palette_colors[i] = j
543
+ break
544
+ im = im.remap_palette(used_palette_colors)
545
+ else:
546
+ used_palette_colors = _get_optimize(im, info)
547
+ if used_palette_colors is not None:
548
+ im = im.remap_palette(used_palette_colors, source_palette)
549
+ if "transparency" in info:
550
+ try:
551
+ info["transparency"] = used_palette_colors.index(
552
+ info["transparency"]
553
+ )
554
+ except ValueError:
555
+ del info["transparency"]
556
+ return im
557
+
558
+ im.palette.palette = source_palette
559
+ return im
560
+
561
+
562
+ def _write_single_frame(im, fp, palette):
563
+ im_out = _normalize_mode(im)
564
+ for k, v in im_out.info.items():
565
+ im.encoderinfo.setdefault(k, v)
566
+ im_out = _normalize_palette(im_out, palette, im.encoderinfo)
567
+
568
+ for s in _get_global_header(im_out, im.encoderinfo):
569
+ fp.write(s)
570
+
571
+ # local image header
572
+ flags = 0
573
+ if get_interlace(im):
574
+ flags = flags | 64
575
+ _write_local_header(fp, im, (0, 0), flags)
576
+
577
+ im_out.encoderconfig = (8, get_interlace(im))
578
+ ImageFile._save(im_out, fp, [("gif", (0, 0) + im.size, 0, RAWMODE[im_out.mode])])
579
+
580
+ fp.write(b"\0") # end of image data
581
+
582
+
583
+ def _getbbox(base_im, im_frame):
584
+ if _get_palette_bytes(im_frame) != _get_palette_bytes(base_im):
585
+ im_frame = im_frame.convert("RGBA")
586
+ base_im = base_im.convert("RGBA")
587
+ delta = ImageChops.subtract_modulo(im_frame, base_im)
588
+ return delta, delta.getbbox(alpha_only=False)
589
+
590
+
591
+ def _write_multiple_frames(im, fp, palette):
592
+ duration = im.encoderinfo.get("duration")
593
+ disposal = im.encoderinfo.get("disposal", im.info.get("disposal"))
594
+
595
+ im_frames = []
596
+ previous_im = None
597
+ frame_count = 0
598
+ background_im = None
599
+ for imSequence in itertools.chain([im], im.encoderinfo.get("append_images", [])):
600
+ for im_frame in ImageSequence.Iterator(imSequence):
601
+ # a copy is required here since seek can still mutate the image
602
+ im_frame = _normalize_mode(im_frame.copy())
603
+ if frame_count == 0:
604
+ for k, v in im_frame.info.items():
605
+ if k == "transparency":
606
+ continue
607
+ im.encoderinfo.setdefault(k, v)
608
+
609
+ encoderinfo = im.encoderinfo.copy()
610
+ if "transparency" in im_frame.info:
611
+ encoderinfo.setdefault("transparency", im_frame.info["transparency"])
612
+ im_frame = _normalize_palette(im_frame, palette, encoderinfo)
613
+ if isinstance(duration, (list, tuple)):
614
+ encoderinfo["duration"] = duration[frame_count]
615
+ elif duration is None and "duration" in im_frame.info:
616
+ encoderinfo["duration"] = im_frame.info["duration"]
617
+ if isinstance(disposal, (list, tuple)):
618
+ encoderinfo["disposal"] = disposal[frame_count]
619
+ frame_count += 1
620
+
621
+ diff_frame = None
622
+ if im_frames:
623
+ # delta frame
624
+ delta, bbox = _getbbox(previous_im, im_frame)
625
+ if not bbox:
626
+ # This frame is identical to the previous frame
627
+ if encoderinfo.get("duration"):
628
+ im_frames[-1]["encoderinfo"]["duration"] += encoderinfo[
629
+ "duration"
630
+ ]
631
+ continue
632
+ if encoderinfo.get("disposal") == 2:
633
+ if background_im is None:
634
+ color = im.encoderinfo.get(
635
+ "transparency", im.info.get("transparency", (0, 0, 0))
636
+ )
637
+ background = _get_background(im_frame, color)
638
+ background_im = Image.new("P", im_frame.size, background)
639
+ background_im.putpalette(im_frames[0]["im"].palette)
640
+ delta, bbox = _getbbox(background_im, im_frame)
641
+ if encoderinfo.get("optimize") and im_frame.mode != "1":
642
+ if "transparency" not in encoderinfo:
643
+ try:
644
+ encoderinfo[
645
+ "transparency"
646
+ ] = im_frame.palette._new_color_index(im_frame)
647
+ except ValueError:
648
+ pass
649
+ if "transparency" in encoderinfo:
650
+ # When the delta is zero, fill the image with transparency
651
+ diff_frame = im_frame.copy()
652
+ fill = Image.new(
653
+ "P", diff_frame.size, encoderinfo["transparency"]
654
+ )
655
+ if delta.mode == "RGBA":
656
+ r, g, b, a = delta.split()
657
+ mask = ImageMath.eval(
658
+ "convert(max(max(max(r, g), b), a) * 255, '1')",
659
+ r=r,
660
+ g=g,
661
+ b=b,
662
+ a=a,
663
+ )
664
+ else:
665
+ if delta.mode == "P":
666
+ # Convert to L without considering palette
667
+ delta_l = Image.new("L", delta.size)
668
+ delta_l.putdata(delta.getdata())
669
+ delta = delta_l
670
+ mask = ImageMath.eval("convert(im * 255, '1')", im=delta)
671
+ diff_frame.paste(fill, mask=ImageOps.invert(mask))
672
+ else:
673
+ bbox = None
674
+ previous_im = im_frame
675
+ im_frames.append(
676
+ {"im": diff_frame or im_frame, "bbox": bbox, "encoderinfo": encoderinfo}
677
+ )
678
+
679
+ if len(im_frames) == 1:
680
+ if "duration" in im.encoderinfo:
681
+ # Since multiple frames will not be written, use the combined duration
682
+ im.encoderinfo["duration"] = im_frames[0]["encoderinfo"]["duration"]
683
+ return
684
+
685
+ for frame_data in im_frames:
686
+ im_frame = frame_data["im"]
687
+ if not frame_data["bbox"]:
688
+ # global header
689
+ for s in _get_global_header(im_frame, frame_data["encoderinfo"]):
690
+ fp.write(s)
691
+ offset = (0, 0)
692
+ else:
693
+ # compress difference
694
+ if not palette:
695
+ frame_data["encoderinfo"]["include_color_table"] = True
696
+
697
+ im_frame = im_frame.crop(frame_data["bbox"])
698
+ offset = frame_data["bbox"][:2]
699
+ _write_frame_data(fp, im_frame, offset, frame_data["encoderinfo"])
700
+ return True
701
+
702
+
703
+ def _save_all(im, fp, filename):
704
+ _save(im, fp, filename, save_all=True)
705
+
706
+
707
+ def _save(im, fp, filename, save_all=False):
708
+ # header
709
+ if "palette" in im.encoderinfo or "palette" in im.info:
710
+ palette = im.encoderinfo.get("palette", im.info.get("palette"))
711
+ else:
712
+ palette = None
713
+ im.encoderinfo.setdefault("optimize", True)
714
+
715
+ if not save_all or not _write_multiple_frames(im, fp, palette):
716
+ _write_single_frame(im, fp, palette)
717
+
718
+ fp.write(b";") # end of file
719
+
720
+ if hasattr(fp, "flush"):
721
+ fp.flush()
722
+
723
+
724
+ def get_interlace(im):
725
+ interlace = im.encoderinfo.get("interlace", 1)
726
+
727
+ # workaround for @PIL153
728
+ if min(im.size) < 16:
729
+ interlace = 0
730
+
731
+ return interlace
732
+
733
+
734
+ def _write_local_header(fp, im, offset, flags):
735
+ try:
736
+ transparency = im.encoderinfo["transparency"]
737
+ except KeyError:
738
+ transparency = None
739
+
740
+ if "duration" in im.encoderinfo:
741
+ duration = int(im.encoderinfo["duration"] / 10)
742
+ else:
743
+ duration = 0
744
+
745
+ disposal = int(im.encoderinfo.get("disposal", 0))
746
+
747
+ if transparency is not None or duration != 0 or disposal:
748
+ packed_flag = 1 if transparency is not None else 0
749
+ packed_flag |= disposal << 2
750
+
751
+ fp.write(
752
+ b"!"
753
+ + o8(249) # extension intro
754
+ + o8(4) # length
755
+ + o8(packed_flag) # packed fields
756
+ + o16(duration) # duration
757
+ + o8(transparency or 0) # transparency index
758
+ + o8(0)
759
+ )
760
+
761
+ include_color_table = im.encoderinfo.get("include_color_table")
762
+ if include_color_table:
763
+ palette_bytes = _get_palette_bytes(im)
764
+ color_table_size = _get_color_table_size(palette_bytes)
765
+ if color_table_size:
766
+ flags = flags | 128 # local color table flag
767
+ flags = flags | color_table_size
768
+
769
+ fp.write(
770
+ b","
771
+ + o16(offset[0]) # offset
772
+ + o16(offset[1])
773
+ + o16(im.size[0]) # size
774
+ + o16(im.size[1])
775
+ + o8(flags) # flags
776
+ )
777
+ if include_color_table and color_table_size:
778
+ fp.write(_get_header_palette(palette_bytes))
779
+ fp.write(o8(8)) # bits
780
+
781
+
782
+ def _save_netpbm(im, fp, filename):
783
+ # Unused by default.
784
+ # To use, uncomment the register_save call at the end of the file.
785
+ #
786
+ # If you need real GIF compression and/or RGB quantization, you
787
+ # can use the external NETPBM/PBMPLUS utilities. See comments
788
+ # below for information on how to enable this.
789
+ tempfile = im._dump()
790
+
791
+ try:
792
+ with open(filename, "wb") as f:
793
+ if im.mode != "RGB":
794
+ subprocess.check_call(
795
+ ["ppmtogif", tempfile], stdout=f, stderr=subprocess.DEVNULL
796
+ )
797
+ else:
798
+ # Pipe ppmquant output into ppmtogif
799
+ # "ppmquant 256 %s | ppmtogif > %s" % (tempfile, filename)
800
+ quant_cmd = ["ppmquant", "256", tempfile]
801
+ togif_cmd = ["ppmtogif"]
802
+ quant_proc = subprocess.Popen(
803
+ quant_cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL
804
+ )
805
+ togif_proc = subprocess.Popen(
806
+ togif_cmd,
807
+ stdin=quant_proc.stdout,
808
+ stdout=f,
809
+ stderr=subprocess.DEVNULL,
810
+ )
811
+
812
+ # Allow ppmquant to receive SIGPIPE if ppmtogif exits
813
+ quant_proc.stdout.close()
814
+
815
+ retcode = quant_proc.wait()
816
+ if retcode:
817
+ raise subprocess.CalledProcessError(retcode, quant_cmd)
818
+
819
+ retcode = togif_proc.wait()
820
+ if retcode:
821
+ raise subprocess.CalledProcessError(retcode, togif_cmd)
822
+ finally:
823
+ try:
824
+ os.unlink(tempfile)
825
+ except OSError:
826
+ pass
827
+
828
+
829
+ # Force optimization so that we can test performance against
830
+ # cases where it took lots of memory and time previously.
831
+ _FORCE_OPTIMIZE = False
832
+
833
+
834
+ def _get_optimize(im, info):
835
+ """
836
+ Palette optimization is a potentially expensive operation.
837
+
838
+ This function determines if the palette should be optimized using
839
+ some heuristics, then returns the list of palette entries in use.
840
+
841
+ :param im: Image object
842
+ :param info: encoderinfo
843
+ :returns: list of indexes of palette entries in use, or None
844
+ """
845
+ if im.mode in ("P", "L") and info and info.get("optimize"):
846
+ # Potentially expensive operation.
847
+
848
+ # The palette saves 3 bytes per color not used, but palette
849
+ # lengths are restricted to 3*(2**N) bytes. Max saving would
850
+ # be 768 -> 6 bytes if we went all the way down to 2 colors.
851
+ # * If we're over 128 colors, we can't save any space.
852
+ # * If there aren't any holes, it's not worth collapsing.
853
+ # * If we have a 'large' image, the palette is in the noise.
854
+
855
+ # create the new palette if not every color is used
856
+ optimise = _FORCE_OPTIMIZE or im.mode == "L"
857
+ if optimise or im.width * im.height < 512 * 512:
858
+ # check which colors are used
859
+ used_palette_colors = []
860
+ for i, count in enumerate(im.histogram()):
861
+ if count:
862
+ used_palette_colors.append(i)
863
+
864
+ if optimise or max(used_palette_colors) >= len(used_palette_colors):
865
+ return used_palette_colors
866
+
867
+ num_palette_colors = len(im.palette.palette) // Image.getmodebands(
868
+ im.palette.mode
869
+ )
870
+ current_palette_size = 1 << (num_palette_colors - 1).bit_length()
871
+ if (
872
+ # check that the palette would become smaller when saved
873
+ len(used_palette_colors) <= current_palette_size // 2
874
+ # check that the palette is not already the smallest possible size
875
+ and current_palette_size > 2
876
+ ):
877
+ return used_palette_colors
878
+
879
+
880
+ def _get_color_table_size(palette_bytes):
881
+ # calculate the palette size for the header
882
+ if not palette_bytes:
883
+ return 0
884
+ elif len(palette_bytes) < 9:
885
+ return 1
886
+ else:
887
+ return math.ceil(math.log(len(palette_bytes) // 3, 2)) - 1
888
+
889
+
890
+ def _get_header_palette(palette_bytes):
891
+ """
892
+ Returns the palette, null padded to the next power of 2 (*3) bytes
893
+ suitable for direct inclusion in the GIF header
894
+
895
+ :param palette_bytes: Unpadded palette bytes, in RGBRGB form
896
+ :returns: Null padded palette
897
+ """
898
+ color_table_size = _get_color_table_size(palette_bytes)
899
+
900
+ # add the missing amount of bytes
901
+ # the palette has to be 2<<n in size
902
+ actual_target_size_diff = (2 << color_table_size) - len(palette_bytes) // 3
903
+ if actual_target_size_diff > 0:
904
+ palette_bytes += o8(0) * 3 * actual_target_size_diff
905
+ return palette_bytes
906
+
907
+
908
+ def _get_palette_bytes(im):
909
+ """
910
+ Gets the palette for inclusion in the gif header
911
+
912
+ :param im: Image object
913
+ :returns: Bytes, len<=768 suitable for inclusion in gif header
914
+ """
915
+ return im.palette.palette if im.palette else b""
916
+
917
+
918
+ def _get_background(im, info_background):
919
+ background = 0
920
+ if info_background:
921
+ if isinstance(info_background, tuple):
922
+ # WebPImagePlugin stores an RGBA value in info["background"]
923
+ # So it must be converted to the same format as GifImagePlugin's
924
+ # info["background"] - a global color table index
925
+ try:
926
+ background = im.palette.getcolor(info_background, im)
927
+ except ValueError as e:
928
+ if str(e) not in (
929
+ # If all 256 colors are in use,
930
+ # then there is no need for the background color
931
+ "cannot allocate more than 256 colors",
932
+ # Ignore non-opaque WebP background
933
+ "cannot add non-opaque RGBA color to RGB palette",
934
+ ):
935
+ raise
936
+ else:
937
+ background = info_background
938
+ return background
939
+
940
+
941
+ def _get_global_header(im, info):
942
+ """Return a list of strings representing a GIF header"""
943
+
944
+ # Header Block
945
+ # https://www.matthewflickinger.com/lab/whatsinagif/bits_and_bytes.asp
946
+
947
+ version = b"87a"
948
+ if im.info.get("version") == b"89a" or (
949
+ info
950
+ and (
951
+ "transparency" in info
952
+ or info.get("loop") is not None
953
+ or info.get("duration")
954
+ or info.get("comment")
955
+ )
956
+ ):
957
+ version = b"89a"
958
+
959
+ background = _get_background(im, info.get("background"))
960
+
961
+ palette_bytes = _get_palette_bytes(im)
962
+ color_table_size = _get_color_table_size(palette_bytes)
963
+
964
+ header = [
965
+ b"GIF" # signature
966
+ + version # version
967
+ + o16(im.size[0]) # canvas width
968
+ + o16(im.size[1]), # canvas height
969
+ # Logical Screen Descriptor
970
+ # size of global color table + global color table flag
971
+ o8(color_table_size + 128), # packed fields
972
+ # background + reserved/aspect
973
+ o8(background) + o8(0),
974
+ # Global Color Table
975
+ _get_header_palette(palette_bytes),
976
+ ]
977
+ if info.get("loop") is not None:
978
+ header.append(
979
+ b"!"
980
+ + o8(255) # extension intro
981
+ + o8(11)
982
+ + b"NETSCAPE2.0"
983
+ + o8(3)
984
+ + o8(1)
985
+ + o16(info["loop"]) # number of loops
986
+ + o8(0)
987
+ )
988
+ if info.get("comment"):
989
+ comment_block = b"!" + o8(254) # extension intro
990
+
991
+ comment = info["comment"]
992
+ if isinstance(comment, str):
993
+ comment = comment.encode()
994
+ for i in range(0, len(comment), 255):
995
+ subblock = comment[i : i + 255]
996
+ comment_block += o8(len(subblock)) + subblock
997
+
998
+ comment_block += o8(0)
999
+ header.append(comment_block)
1000
+ return header
1001
+
1002
+
1003
+ def _write_frame_data(fp, im_frame, offset, params):
1004
+ try:
1005
+ im_frame.encoderinfo = params
1006
+
1007
+ # local image header
1008
+ _write_local_header(fp, im_frame, offset, 0)
1009
+
1010
+ ImageFile._save(
1011
+ im_frame, fp, [("gif", (0, 0) + im_frame.size, 0, RAWMODE[im_frame.mode])]
1012
+ )
1013
+
1014
+ fp.write(b"\0") # end of image data
1015
+ finally:
1016
+ del im_frame.encoderinfo
1017
+
1018
+
1019
+ # --------------------------------------------------------------------
1020
+ # Legacy GIF utilities
1021
+
1022
+
1023
+ def getheader(im, palette=None, info=None):
1024
+ """
1025
+ Legacy Method to get Gif data from image.
1026
+
1027
+ Warning:: May modify image data.
1028
+
1029
+ :param im: Image object
1030
+ :param palette: bytes object containing the source palette, or ....
1031
+ :param info: encoderinfo
1032
+ :returns: tuple of(list of header items, optimized palette)
1033
+
1034
+ """
1035
+ used_palette_colors = _get_optimize(im, info)
1036
+
1037
+ if info is None:
1038
+ info = {}
1039
+
1040
+ if "background" not in info and "background" in im.info:
1041
+ info["background"] = im.info["background"]
1042
+
1043
+ im_mod = _normalize_palette(im, palette, info)
1044
+ im.palette = im_mod.palette
1045
+ im.im = im_mod.im
1046
+ header = _get_global_header(im, info)
1047
+
1048
+ return header, used_palette_colors
1049
+
1050
+
1051
+ def getdata(im, offset=(0, 0), **params):
1052
+ """
1053
+ Legacy Method
1054
+
1055
+ Return a list of strings representing this image.
1056
+ The first string is a local image header, the rest contains
1057
+ encoded image data.
1058
+
1059
+ To specify duration, add the time in milliseconds,
1060
+ e.g. ``getdata(im_frame, duration=1000)``
1061
+
1062
+ :param im: Image object
1063
+ :param offset: Tuple of (x, y) pixels. Defaults to (0, 0)
1064
+ :param \\**params: e.g. duration or other encoder info parameters
1065
+ :returns: List of bytes containing GIF encoded frame data
1066
+
1067
+ """
1068
+
1069
+ class Collector:
1070
+ data = []
1071
+
1072
+ def write(self, data):
1073
+ self.data.append(data)
1074
+
1075
+ im.load() # make sure raster data is available
1076
+
1077
+ fp = Collector()
1078
+
1079
+ _write_frame_data(fp, im, offset, params)
1080
+
1081
+ return fp.data
1082
+
1083
+
1084
+ # --------------------------------------------------------------------
1085
+ # Registry
1086
+
1087
+ Image.register_open(GifImageFile.format, GifImageFile, _accept)
1088
+ Image.register_save(GifImageFile.format, _save)
1089
+ Image.register_save_all(GifImageFile.format, _save_all)
1090
+ Image.register_extension(GifImageFile.format, ".gif")
1091
+ Image.register_mime(GifImageFile.format, "image/gif")
1092
+
1093
+ #
1094
+ # Uncomment the following line if you wish to use NETPBM/PBMPLUS
1095
+ # instead of the built-in "uncompressed" GIF encoder
1096
+
1097
+ # Image.register_save(GifImageFile.format, _save_netpbm)
venv/Lib/site-packages/PIL/GimpGradientFile.py ADDED
@@ -0,0 +1,137 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # stuff to read (and render) GIMP gradient files
6
+ #
7
+ # History:
8
+ # 97-08-23 fl Created
9
+ #
10
+ # Copyright (c) Secret Labs AB 1997.
11
+ # Copyright (c) Fredrik Lundh 1997.
12
+ #
13
+ # See the README file for information on usage and redistribution.
14
+ #
15
+
16
+ """
17
+ Stuff to translate curve segments to palette values (derived from
18
+ the corresponding code in GIMP, written by Federico Mena Quintero.
19
+ See the GIMP distribution for more information.)
20
+ """
21
+ from __future__ import annotations
22
+
23
+ from math import log, pi, sin, sqrt
24
+
25
+ from ._binary import o8
26
+
27
+ EPSILON = 1e-10
28
+ """""" # Enable auto-doc for data member
29
+
30
+
31
+ def linear(middle, pos):
32
+ if pos <= middle:
33
+ if middle < EPSILON:
34
+ return 0.0
35
+ else:
36
+ return 0.5 * pos / middle
37
+ else:
38
+ pos = pos - middle
39
+ middle = 1.0 - middle
40
+ if middle < EPSILON:
41
+ return 1.0
42
+ else:
43
+ return 0.5 + 0.5 * pos / middle
44
+
45
+
46
+ def curved(middle, pos):
47
+ return pos ** (log(0.5) / log(max(middle, EPSILON)))
48
+
49
+
50
+ def sine(middle, pos):
51
+ return (sin((-pi / 2.0) + pi * linear(middle, pos)) + 1.0) / 2.0
52
+
53
+
54
+ def sphere_increasing(middle, pos):
55
+ return sqrt(1.0 - (linear(middle, pos) - 1.0) ** 2)
56
+
57
+
58
+ def sphere_decreasing(middle, pos):
59
+ return 1.0 - sqrt(1.0 - linear(middle, pos) ** 2)
60
+
61
+
62
+ SEGMENTS = [linear, curved, sine, sphere_increasing, sphere_decreasing]
63
+ """""" # Enable auto-doc for data member
64
+
65
+
66
+ class GradientFile:
67
+ gradient = None
68
+
69
+ def getpalette(self, entries=256):
70
+ palette = []
71
+
72
+ ix = 0
73
+ x0, x1, xm, rgb0, rgb1, segment = self.gradient[ix]
74
+
75
+ for i in range(entries):
76
+ x = i / (entries - 1)
77
+
78
+ while x1 < x:
79
+ ix += 1
80
+ x0, x1, xm, rgb0, rgb1, segment = self.gradient[ix]
81
+
82
+ w = x1 - x0
83
+
84
+ if w < EPSILON:
85
+ scale = segment(0.5, 0.5)
86
+ else:
87
+ scale = segment((xm - x0) / w, (x - x0) / w)
88
+
89
+ # expand to RGBA
90
+ r = o8(int(255 * ((rgb1[0] - rgb0[0]) * scale + rgb0[0]) + 0.5))
91
+ g = o8(int(255 * ((rgb1[1] - rgb0[1]) * scale + rgb0[1]) + 0.5))
92
+ b = o8(int(255 * ((rgb1[2] - rgb0[2]) * scale + rgb0[2]) + 0.5))
93
+ a = o8(int(255 * ((rgb1[3] - rgb0[3]) * scale + rgb0[3]) + 0.5))
94
+
95
+ # add to palette
96
+ palette.append(r + g + b + a)
97
+
98
+ return b"".join(palette), "RGBA"
99
+
100
+
101
+ class GimpGradientFile(GradientFile):
102
+ """File handler for GIMP's gradient format."""
103
+
104
+ def __init__(self, fp):
105
+ if fp.readline()[:13] != b"GIMP Gradient":
106
+ msg = "not a GIMP gradient file"
107
+ raise SyntaxError(msg)
108
+
109
+ line = fp.readline()
110
+
111
+ # GIMP 1.2 gradient files don't contain a name, but GIMP 1.3 files do
112
+ if line.startswith(b"Name: "):
113
+ line = fp.readline().strip()
114
+
115
+ count = int(line)
116
+
117
+ gradient = []
118
+
119
+ for i in range(count):
120
+ s = fp.readline().split()
121
+ w = [float(x) for x in s[:11]]
122
+
123
+ x0, x1 = w[0], w[2]
124
+ xm = w[1]
125
+ rgb0 = w[3:7]
126
+ rgb1 = w[7:11]
127
+
128
+ segment = SEGMENTS[int(s[11])]
129
+ cspace = int(s[12])
130
+
131
+ if cspace != 0:
132
+ msg = "cannot handle HSV colour space"
133
+ raise OSError(msg)
134
+
135
+ gradient.append((x0, x1, xm, rgb0, rgb1, segment))
136
+
137
+ self.gradient = gradient
venv/Lib/site-packages/PIL/GimpPaletteFile.py ADDED
@@ -0,0 +1,57 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # stuff to read GIMP palette files
6
+ #
7
+ # History:
8
+ # 1997-08-23 fl Created
9
+ # 2004-09-07 fl Support GIMP 2.0 palette files.
10
+ #
11
+ # Copyright (c) Secret Labs AB 1997-2004. All rights reserved.
12
+ # Copyright (c) Fredrik Lundh 1997-2004.
13
+ #
14
+ # See the README file for information on usage and redistribution.
15
+ #
16
+ from __future__ import annotations
17
+
18
+ import re
19
+
20
+ from ._binary import o8
21
+
22
+
23
+ class GimpPaletteFile:
24
+ """File handler for GIMP's palette format."""
25
+
26
+ rawmode = "RGB"
27
+
28
+ def __init__(self, fp):
29
+ self.palette = [o8(i) * 3 for i in range(256)]
30
+
31
+ if fp.readline()[:12] != b"GIMP Palette":
32
+ msg = "not a GIMP palette file"
33
+ raise SyntaxError(msg)
34
+
35
+ for i in range(256):
36
+ s = fp.readline()
37
+ if not s:
38
+ break
39
+
40
+ # skip fields and comment lines
41
+ if re.match(rb"\w+:|#", s):
42
+ continue
43
+ if len(s) > 100:
44
+ msg = "bad palette file"
45
+ raise SyntaxError(msg)
46
+
47
+ v = tuple(map(int, s.split()[:3]))
48
+ if len(v) != 3:
49
+ msg = "bad palette entry"
50
+ raise ValueError(msg)
51
+
52
+ self.palette[i] = o8(v[0]) + o8(v[1]) + o8(v[2])
53
+
54
+ self.palette = b"".join(self.palette)
55
+
56
+ def getpalette(self):
57
+ return self.palette, self.rawmode
venv/Lib/site-packages/PIL/GribStubImagePlugin.py ADDED
@@ -0,0 +1,74 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # GRIB stub adapter
6
+ #
7
+ # Copyright (c) 1996-2003 by Fredrik Lundh
8
+ #
9
+ # See the README file for information on usage and redistribution.
10
+ #
11
+ from __future__ import annotations
12
+
13
+ from . import Image, ImageFile
14
+
15
+ _handler = None
16
+
17
+
18
+ def register_handler(handler):
19
+ """
20
+ Install application-specific GRIB image handler.
21
+
22
+ :param handler: Handler object.
23
+ """
24
+ global _handler
25
+ _handler = handler
26
+
27
+
28
+ # --------------------------------------------------------------------
29
+ # Image adapter
30
+
31
+
32
+ def _accept(prefix):
33
+ return prefix[:4] == b"GRIB" and prefix[7] == 1
34
+
35
+
36
+ class GribStubImageFile(ImageFile.StubImageFile):
37
+ format = "GRIB"
38
+ format_description = "GRIB"
39
+
40
+ def _open(self):
41
+ offset = self.fp.tell()
42
+
43
+ if not _accept(self.fp.read(8)):
44
+ msg = "Not a GRIB file"
45
+ raise SyntaxError(msg)
46
+
47
+ self.fp.seek(offset)
48
+
49
+ # make something up
50
+ self._mode = "F"
51
+ self._size = 1, 1
52
+
53
+ loader = self._load()
54
+ if loader:
55
+ loader.open(self)
56
+
57
+ def _load(self):
58
+ return _handler
59
+
60
+
61
+ def _save(im, fp, filename):
62
+ if _handler is None or not hasattr(_handler, "save"):
63
+ msg = "GRIB save handler not installed"
64
+ raise OSError(msg)
65
+ _handler.save(im, fp, filename)
66
+
67
+
68
+ # --------------------------------------------------------------------
69
+ # Registry
70
+
71
+ Image.register_open(GribStubImageFile.format, GribStubImageFile, _accept)
72
+ Image.register_save(GribStubImageFile.format, _save)
73
+
74
+ Image.register_extension(GribStubImageFile.format, ".grib")
venv/Lib/site-packages/PIL/Hdf5StubImagePlugin.py ADDED
@@ -0,0 +1,74 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library
3
+ # $Id$
4
+ #
5
+ # HDF5 stub adapter
6
+ #
7
+ # Copyright (c) 2000-2003 by Fredrik Lundh
8
+ #
9
+ # See the README file for information on usage and redistribution.
10
+ #
11
+ from __future__ import annotations
12
+
13
+ from . import Image, ImageFile
14
+
15
+ _handler = None
16
+
17
+
18
+ def register_handler(handler):
19
+ """
20
+ Install application-specific HDF5 image handler.
21
+
22
+ :param handler: Handler object.
23
+ """
24
+ global _handler
25
+ _handler = handler
26
+
27
+
28
+ # --------------------------------------------------------------------
29
+ # Image adapter
30
+
31
+
32
+ def _accept(prefix):
33
+ return prefix[:8] == b"\x89HDF\r\n\x1a\n"
34
+
35
+
36
+ class HDF5StubImageFile(ImageFile.StubImageFile):
37
+ format = "HDF5"
38
+ format_description = "HDF5"
39
+
40
+ def _open(self):
41
+ offset = self.fp.tell()
42
+
43
+ if not _accept(self.fp.read(8)):
44
+ msg = "Not an HDF file"
45
+ raise SyntaxError(msg)
46
+
47
+ self.fp.seek(offset)
48
+
49
+ # make something up
50
+ self._mode = "F"
51
+ self._size = 1, 1
52
+
53
+ loader = self._load()
54
+ if loader:
55
+ loader.open(self)
56
+
57
+ def _load(self):
58
+ return _handler
59
+
60
+
61
+ def _save(im, fp, filename):
62
+ if _handler is None or not hasattr(_handler, "save"):
63
+ msg = "HDF5 save handler not installed"
64
+ raise OSError(msg)
65
+ _handler.save(im, fp, filename)
66
+
67
+
68
+ # --------------------------------------------------------------------
69
+ # Registry
70
+
71
+ Image.register_open(HDF5StubImageFile.format, HDF5StubImageFile, _accept)
72
+ Image.register_save(HDF5StubImageFile.format, _save)
73
+
74
+ Image.register_extensions(HDF5StubImageFile.format, [".h5", ".hdf"])
venv/Lib/site-packages/PIL/IcnsImagePlugin.py ADDED
@@ -0,0 +1,400 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # macOS icns file decoder, based on icns.py by Bob Ippolito.
6
+ #
7
+ # history:
8
+ # 2004-10-09 fl Turned into a PIL plugin; removed 2.3 dependencies.
9
+ # 2020-04-04 Allow saving on all operating systems.
10
+ #
11
+ # Copyright (c) 2004 by Bob Ippolito.
12
+ # Copyright (c) 2004 by Secret Labs.
13
+ # Copyright (c) 2004 by Fredrik Lundh.
14
+ # Copyright (c) 2014 by Alastair Houghton.
15
+ # Copyright (c) 2020 by Pan Jing.
16
+ #
17
+ # See the README file for information on usage and redistribution.
18
+ #
19
+ from __future__ import annotations
20
+
21
+ import io
22
+ import os
23
+ import struct
24
+ import sys
25
+
26
+ from . import Image, ImageFile, PngImagePlugin, features
27
+
28
+ enable_jpeg2k = features.check_codec("jpg_2000")
29
+ if enable_jpeg2k:
30
+ from . import Jpeg2KImagePlugin
31
+
32
+ MAGIC = b"icns"
33
+ HEADERSIZE = 8
34
+
35
+
36
+ def nextheader(fobj):
37
+ return struct.unpack(">4sI", fobj.read(HEADERSIZE))
38
+
39
+
40
+ def read_32t(fobj, start_length, size):
41
+ # The 128x128 icon seems to have an extra header for some reason.
42
+ (start, length) = start_length
43
+ fobj.seek(start)
44
+ sig = fobj.read(4)
45
+ if sig != b"\x00\x00\x00\x00":
46
+ msg = "Unknown signature, expecting 0x00000000"
47
+ raise SyntaxError(msg)
48
+ return read_32(fobj, (start + 4, length - 4), size)
49
+
50
+
51
+ def read_32(fobj, start_length, size):
52
+ """
53
+ Read a 32bit RGB icon resource. Seems to be either uncompressed or
54
+ an RLE packbits-like scheme.
55
+ """
56
+ (start, length) = start_length
57
+ fobj.seek(start)
58
+ pixel_size = (size[0] * size[2], size[1] * size[2])
59
+ sizesq = pixel_size[0] * pixel_size[1]
60
+ if length == sizesq * 3:
61
+ # uncompressed ("RGBRGBGB")
62
+ indata = fobj.read(length)
63
+ im = Image.frombuffer("RGB", pixel_size, indata, "raw", "RGB", 0, 1)
64
+ else:
65
+ # decode image
66
+ im = Image.new("RGB", pixel_size, None)
67
+ for band_ix in range(3):
68
+ data = []
69
+ bytesleft = sizesq
70
+ while bytesleft > 0:
71
+ byte = fobj.read(1)
72
+ if not byte:
73
+ break
74
+ byte = byte[0]
75
+ if byte & 0x80:
76
+ blocksize = byte - 125
77
+ byte = fobj.read(1)
78
+ for i in range(blocksize):
79
+ data.append(byte)
80
+ else:
81
+ blocksize = byte + 1
82
+ data.append(fobj.read(blocksize))
83
+ bytesleft -= blocksize
84
+ if bytesleft <= 0:
85
+ break
86
+ if bytesleft != 0:
87
+ msg = f"Error reading channel [{repr(bytesleft)} left]"
88
+ raise SyntaxError(msg)
89
+ band = Image.frombuffer("L", pixel_size, b"".join(data), "raw", "L", 0, 1)
90
+ im.im.putband(band.im, band_ix)
91
+ return {"RGB": im}
92
+
93
+
94
+ def read_mk(fobj, start_length, size):
95
+ # Alpha masks seem to be uncompressed
96
+ start = start_length[0]
97
+ fobj.seek(start)
98
+ pixel_size = (size[0] * size[2], size[1] * size[2])
99
+ sizesq = pixel_size[0] * pixel_size[1]
100
+ band = Image.frombuffer("L", pixel_size, fobj.read(sizesq), "raw", "L", 0, 1)
101
+ return {"A": band}
102
+
103
+
104
+ def read_png_or_jpeg2000(fobj, start_length, size):
105
+ (start, length) = start_length
106
+ fobj.seek(start)
107
+ sig = fobj.read(12)
108
+ if sig[:8] == b"\x89PNG\x0d\x0a\x1a\x0a":
109
+ fobj.seek(start)
110
+ im = PngImagePlugin.PngImageFile(fobj)
111
+ Image._decompression_bomb_check(im.size)
112
+ return {"RGBA": im}
113
+ elif (
114
+ sig[:4] == b"\xff\x4f\xff\x51"
115
+ or sig[:4] == b"\x0d\x0a\x87\x0a"
116
+ or sig == b"\x00\x00\x00\x0cjP \x0d\x0a\x87\x0a"
117
+ ):
118
+ if not enable_jpeg2k:
119
+ msg = (
120
+ "Unsupported icon subimage format (rebuild PIL "
121
+ "with JPEG 2000 support to fix this)"
122
+ )
123
+ raise ValueError(msg)
124
+ # j2k, jpc or j2c
125
+ fobj.seek(start)
126
+ jp2kstream = fobj.read(length)
127
+ f = io.BytesIO(jp2kstream)
128
+ im = Jpeg2KImagePlugin.Jpeg2KImageFile(f)
129
+ Image._decompression_bomb_check(im.size)
130
+ if im.mode != "RGBA":
131
+ im = im.convert("RGBA")
132
+ return {"RGBA": im}
133
+ else:
134
+ msg = "Unsupported icon subimage format"
135
+ raise ValueError(msg)
136
+
137
+
138
+ class IcnsFile:
139
+ SIZES = {
140
+ (512, 512, 2): [(b"ic10", read_png_or_jpeg2000)],
141
+ (512, 512, 1): [(b"ic09", read_png_or_jpeg2000)],
142
+ (256, 256, 2): [(b"ic14", read_png_or_jpeg2000)],
143
+ (256, 256, 1): [(b"ic08", read_png_or_jpeg2000)],
144
+ (128, 128, 2): [(b"ic13", read_png_or_jpeg2000)],
145
+ (128, 128, 1): [
146
+ (b"ic07", read_png_or_jpeg2000),
147
+ (b"it32", read_32t),
148
+ (b"t8mk", read_mk),
149
+ ],
150
+ (64, 64, 1): [(b"icp6", read_png_or_jpeg2000)],
151
+ (32, 32, 2): [(b"ic12", read_png_or_jpeg2000)],
152
+ (48, 48, 1): [(b"ih32", read_32), (b"h8mk", read_mk)],
153
+ (32, 32, 1): [
154
+ (b"icp5", read_png_or_jpeg2000),
155
+ (b"il32", read_32),
156
+ (b"l8mk", read_mk),
157
+ ],
158
+ (16, 16, 2): [(b"ic11", read_png_or_jpeg2000)],
159
+ (16, 16, 1): [
160
+ (b"icp4", read_png_or_jpeg2000),
161
+ (b"is32", read_32),
162
+ (b"s8mk", read_mk),
163
+ ],
164
+ }
165
+
166
+ def __init__(self, fobj):
167
+ """
168
+ fobj is a file-like object as an icns resource
169
+ """
170
+ # signature : (start, length)
171
+ self.dct = dct = {}
172
+ self.fobj = fobj
173
+ sig, filesize = nextheader(fobj)
174
+ if not _accept(sig):
175
+ msg = "not an icns file"
176
+ raise SyntaxError(msg)
177
+ i = HEADERSIZE
178
+ while i < filesize:
179
+ sig, blocksize = nextheader(fobj)
180
+ if blocksize <= 0:
181
+ msg = "invalid block header"
182
+ raise SyntaxError(msg)
183
+ i += HEADERSIZE
184
+ blocksize -= HEADERSIZE
185
+ dct[sig] = (i, blocksize)
186
+ fobj.seek(blocksize, io.SEEK_CUR)
187
+ i += blocksize
188
+
189
+ def itersizes(self):
190
+ sizes = []
191
+ for size, fmts in self.SIZES.items():
192
+ for fmt, reader in fmts:
193
+ if fmt in self.dct:
194
+ sizes.append(size)
195
+ break
196
+ return sizes
197
+
198
+ def bestsize(self):
199
+ sizes = self.itersizes()
200
+ if not sizes:
201
+ msg = "No 32bit icon resources found"
202
+ raise SyntaxError(msg)
203
+ return max(sizes)
204
+
205
+ def dataforsize(self, size):
206
+ """
207
+ Get an icon resource as {channel: array}. Note that
208
+ the arrays are bottom-up like windows bitmaps and will likely
209
+ need to be flipped or transposed in some way.
210
+ """
211
+ dct = {}
212
+ for code, reader in self.SIZES[size]:
213
+ desc = self.dct.get(code)
214
+ if desc is not None:
215
+ dct.update(reader(self.fobj, desc, size))
216
+ return dct
217
+
218
+ def getimage(self, size=None):
219
+ if size is None:
220
+ size = self.bestsize()
221
+ if len(size) == 2:
222
+ size = (size[0], size[1], 1)
223
+ channels = self.dataforsize(size)
224
+
225
+ im = channels.get("RGBA", None)
226
+ if im:
227
+ return im
228
+
229
+ im = channels.get("RGB").copy()
230
+ try:
231
+ im.putalpha(channels["A"])
232
+ except KeyError:
233
+ pass
234
+ return im
235
+
236
+
237
+ ##
238
+ # Image plugin for Mac OS icons.
239
+
240
+
241
+ class IcnsImageFile(ImageFile.ImageFile):
242
+ """
243
+ PIL image support for Mac OS .icns files.
244
+ Chooses the best resolution, but will possibly load
245
+ a different size image if you mutate the size attribute
246
+ before calling 'load'.
247
+
248
+ The info dictionary has a key 'sizes' that is a list
249
+ of sizes that the icns file has.
250
+ """
251
+
252
+ format = "ICNS"
253
+ format_description = "Mac OS icns resource"
254
+
255
+ def _open(self):
256
+ self.icns = IcnsFile(self.fp)
257
+ self._mode = "RGBA"
258
+ self.info["sizes"] = self.icns.itersizes()
259
+ self.best_size = self.icns.bestsize()
260
+ self.size = (
261
+ self.best_size[0] * self.best_size[2],
262
+ self.best_size[1] * self.best_size[2],
263
+ )
264
+
265
+ @property
266
+ def size(self):
267
+ return self._size
268
+
269
+ @size.setter
270
+ def size(self, value):
271
+ info_size = value
272
+ if info_size not in self.info["sizes"] and len(info_size) == 2:
273
+ info_size = (info_size[0], info_size[1], 1)
274
+ if (
275
+ info_size not in self.info["sizes"]
276
+ and len(info_size) == 3
277
+ and info_size[2] == 1
278
+ ):
279
+ simple_sizes = [
280
+ (size[0] * size[2], size[1] * size[2]) for size in self.info["sizes"]
281
+ ]
282
+ if value in simple_sizes:
283
+ info_size = self.info["sizes"][simple_sizes.index(value)]
284
+ if info_size not in self.info["sizes"]:
285
+ msg = "This is not one of the allowed sizes of this image"
286
+ raise ValueError(msg)
287
+ self._size = value
288
+
289
+ def load(self):
290
+ if len(self.size) == 3:
291
+ self.best_size = self.size
292
+ self.size = (
293
+ self.best_size[0] * self.best_size[2],
294
+ self.best_size[1] * self.best_size[2],
295
+ )
296
+
297
+ px = Image.Image.load(self)
298
+ if self.im is not None and self.im.size == self.size:
299
+ # Already loaded
300
+ return px
301
+ self.load_prepare()
302
+ # This is likely NOT the best way to do it, but whatever.
303
+ im = self.icns.getimage(self.best_size)
304
+
305
+ # If this is a PNG or JPEG 2000, it won't be loaded yet
306
+ px = im.load()
307
+
308
+ self.im = im.im
309
+ self._mode = im.mode
310
+ self.size = im.size
311
+
312
+ return px
313
+
314
+
315
+ def _save(im, fp, filename):
316
+ """
317
+ Saves the image as a series of PNG files,
318
+ that are then combined into a .icns file.
319
+ """
320
+ if hasattr(fp, "flush"):
321
+ fp.flush()
322
+
323
+ sizes = {
324
+ b"ic07": 128,
325
+ b"ic08": 256,
326
+ b"ic09": 512,
327
+ b"ic10": 1024,
328
+ b"ic11": 32,
329
+ b"ic12": 64,
330
+ b"ic13": 256,
331
+ b"ic14": 512,
332
+ }
333
+ provided_images = {im.width: im for im in im.encoderinfo.get("append_images", [])}
334
+ size_streams = {}
335
+ for size in set(sizes.values()):
336
+ image = (
337
+ provided_images[size]
338
+ if size in provided_images
339
+ else im.resize((size, size))
340
+ )
341
+
342
+ temp = io.BytesIO()
343
+ image.save(temp, "png")
344
+ size_streams[size] = temp.getvalue()
345
+
346
+ entries = []
347
+ for type, size in sizes.items():
348
+ stream = size_streams[size]
349
+ entries.append(
350
+ {"type": type, "size": HEADERSIZE + len(stream), "stream": stream}
351
+ )
352
+
353
+ # Header
354
+ fp.write(MAGIC)
355
+ file_length = HEADERSIZE # Header
356
+ file_length += HEADERSIZE + 8 * len(entries) # TOC
357
+ file_length += sum(entry["size"] for entry in entries)
358
+ fp.write(struct.pack(">i", file_length))
359
+
360
+ # TOC
361
+ fp.write(b"TOC ")
362
+ fp.write(struct.pack(">i", HEADERSIZE + len(entries) * HEADERSIZE))
363
+ for entry in entries:
364
+ fp.write(entry["type"])
365
+ fp.write(struct.pack(">i", entry["size"]))
366
+
367
+ # Data
368
+ for entry in entries:
369
+ fp.write(entry["type"])
370
+ fp.write(struct.pack(">i", entry["size"]))
371
+ fp.write(entry["stream"])
372
+
373
+ if hasattr(fp, "flush"):
374
+ fp.flush()
375
+
376
+
377
+ def _accept(prefix):
378
+ return prefix[:4] == MAGIC
379
+
380
+
381
+ Image.register_open(IcnsImageFile.format, IcnsImageFile, _accept)
382
+ Image.register_extension(IcnsImageFile.format, ".icns")
383
+
384
+ Image.register_save(IcnsImageFile.format, _save)
385
+ Image.register_mime(IcnsImageFile.format, "image/icns")
386
+
387
+ if __name__ == "__main__":
388
+ if len(sys.argv) < 2:
389
+ print("Syntax: python3 IcnsImagePlugin.py [file]")
390
+ sys.exit()
391
+
392
+ with open(sys.argv[1], "rb") as fp:
393
+ imf = IcnsImageFile(fp)
394
+ for size in imf.info["sizes"]:
395
+ width, height, scale = imf.size = size
396
+ imf.save(f"out-{width}-{height}-{scale}.png")
397
+ with Image.open(sys.argv[1]) as im:
398
+ im.save("out.png")
399
+ if sys.platform == "windows":
400
+ os.startfile("out.png")
venv/Lib/site-packages/PIL/IcoImagePlugin.py ADDED
@@ -0,0 +1,356 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # Windows Icon support for PIL
6
+ #
7
+ # History:
8
+ # 96-05-27 fl Created
9
+ #
10
+ # Copyright (c) Secret Labs AB 1997.
11
+ # Copyright (c) Fredrik Lundh 1996.
12
+ #
13
+ # See the README file for information on usage and redistribution.
14
+ #
15
+
16
+ # This plugin is a refactored version of Win32IconImagePlugin by Bryan Davis
17
+ # <casadebender@gmail.com>.
18
+ # https://code.google.com/archive/p/casadebender/wikis/Win32IconImagePlugin.wiki
19
+ #
20
+ # Icon format references:
21
+ # * https://en.wikipedia.org/wiki/ICO_(file_format)
22
+ # * https://msdn.microsoft.com/en-us/library/ms997538.aspx
23
+ from __future__ import annotations
24
+
25
+ import warnings
26
+ from io import BytesIO
27
+ from math import ceil, log
28
+
29
+ from . import BmpImagePlugin, Image, ImageFile, PngImagePlugin
30
+ from ._binary import i16le as i16
31
+ from ._binary import i32le as i32
32
+ from ._binary import o8
33
+ from ._binary import o16le as o16
34
+ from ._binary import o32le as o32
35
+
36
+ #
37
+ # --------------------------------------------------------------------
38
+
39
+ _MAGIC = b"\0\0\1\0"
40
+
41
+
42
+ def _save(im, fp, filename):
43
+ fp.write(_MAGIC) # (2+2)
44
+ bmp = im.encoderinfo.get("bitmap_format") == "bmp"
45
+ sizes = im.encoderinfo.get(
46
+ "sizes",
47
+ [(16, 16), (24, 24), (32, 32), (48, 48), (64, 64), (128, 128), (256, 256)],
48
+ )
49
+ frames = []
50
+ provided_ims = [im] + im.encoderinfo.get("append_images", [])
51
+ width, height = im.size
52
+ for size in sorted(set(sizes)):
53
+ if size[0] > width or size[1] > height or size[0] > 256 or size[1] > 256:
54
+ continue
55
+
56
+ for provided_im in provided_ims:
57
+ if provided_im.size != size:
58
+ continue
59
+ frames.append(provided_im)
60
+ if bmp:
61
+ bits = BmpImagePlugin.SAVE[provided_im.mode][1]
62
+ bits_used = [bits]
63
+ for other_im in provided_ims:
64
+ if other_im.size != size:
65
+ continue
66
+ bits = BmpImagePlugin.SAVE[other_im.mode][1]
67
+ if bits not in bits_used:
68
+ # Another image has been supplied for this size
69
+ # with a different bit depth
70
+ frames.append(other_im)
71
+ bits_used.append(bits)
72
+ break
73
+ else:
74
+ # TODO: invent a more convenient method for proportional scalings
75
+ frame = provided_im.copy()
76
+ frame.thumbnail(size, Image.Resampling.LANCZOS, reducing_gap=None)
77
+ frames.append(frame)
78
+ fp.write(o16(len(frames))) # idCount(2)
79
+ offset = fp.tell() + len(frames) * 16
80
+ for frame in frames:
81
+ width, height = frame.size
82
+ # 0 means 256
83
+ fp.write(o8(width if width < 256 else 0)) # bWidth(1)
84
+ fp.write(o8(height if height < 256 else 0)) # bHeight(1)
85
+
86
+ bits, colors = BmpImagePlugin.SAVE[frame.mode][1:] if bmp else (32, 0)
87
+ fp.write(o8(colors)) # bColorCount(1)
88
+ fp.write(b"\0") # bReserved(1)
89
+ fp.write(b"\0\0") # wPlanes(2)
90
+ fp.write(o16(bits)) # wBitCount(2)
91
+
92
+ image_io = BytesIO()
93
+ if bmp:
94
+ frame.save(image_io, "dib")
95
+
96
+ if bits != 32:
97
+ and_mask = Image.new("1", size)
98
+ ImageFile._save(
99
+ and_mask, image_io, [("raw", (0, 0) + size, 0, ("1", 0, -1))]
100
+ )
101
+ else:
102
+ frame.save(image_io, "png")
103
+ image_io.seek(0)
104
+ image_bytes = image_io.read()
105
+ if bmp:
106
+ image_bytes = image_bytes[:8] + o32(height * 2) + image_bytes[12:]
107
+ bytes_len = len(image_bytes)
108
+ fp.write(o32(bytes_len)) # dwBytesInRes(4)
109
+ fp.write(o32(offset)) # dwImageOffset(4)
110
+ current = fp.tell()
111
+ fp.seek(offset)
112
+ fp.write(image_bytes)
113
+ offset = offset + bytes_len
114
+ fp.seek(current)
115
+
116
+
117
+ def _accept(prefix):
118
+ return prefix[:4] == _MAGIC
119
+
120
+
121
+ class IcoFile:
122
+ def __init__(self, buf):
123
+ """
124
+ Parse image from file-like object containing ico file data
125
+ """
126
+
127
+ # check magic
128
+ s = buf.read(6)
129
+ if not _accept(s):
130
+ msg = "not an ICO file"
131
+ raise SyntaxError(msg)
132
+
133
+ self.buf = buf
134
+ self.entry = []
135
+
136
+ # Number of items in file
137
+ self.nb_items = i16(s, 4)
138
+
139
+ # Get headers for each item
140
+ for i in range(self.nb_items):
141
+ s = buf.read(16)
142
+
143
+ icon_header = {
144
+ "width": s[0],
145
+ "height": s[1],
146
+ "nb_color": s[2], # No. of colors in image (0 if >=8bpp)
147
+ "reserved": s[3],
148
+ "planes": i16(s, 4),
149
+ "bpp": i16(s, 6),
150
+ "size": i32(s, 8),
151
+ "offset": i32(s, 12),
152
+ }
153
+
154
+ # See Wikipedia
155
+ for j in ("width", "height"):
156
+ if not icon_header[j]:
157
+ icon_header[j] = 256
158
+
159
+ # See Wikipedia notes about color depth.
160
+ # We need this just to differ images with equal sizes
161
+ icon_header["color_depth"] = (
162
+ icon_header["bpp"]
163
+ or (
164
+ icon_header["nb_color"] != 0
165
+ and ceil(log(icon_header["nb_color"], 2))
166
+ )
167
+ or 256
168
+ )
169
+
170
+ icon_header["dim"] = (icon_header["width"], icon_header["height"])
171
+ icon_header["square"] = icon_header["width"] * icon_header["height"]
172
+
173
+ self.entry.append(icon_header)
174
+
175
+ self.entry = sorted(self.entry, key=lambda x: x["color_depth"])
176
+ # ICO images are usually squares
177
+ self.entry = sorted(self.entry, key=lambda x: x["square"], reverse=True)
178
+
179
+ def sizes(self):
180
+ """
181
+ Get a list of all available icon sizes and color depths.
182
+ """
183
+ return {(h["width"], h["height"]) for h in self.entry}
184
+
185
+ def getentryindex(self, size, bpp=False):
186
+ for i, h in enumerate(self.entry):
187
+ if size == h["dim"] and (bpp is False or bpp == h["color_depth"]):
188
+ return i
189
+ return 0
190
+
191
+ def getimage(self, size, bpp=False):
192
+ """
193
+ Get an image from the icon
194
+ """
195
+ return self.frame(self.getentryindex(size, bpp))
196
+
197
+ def frame(self, idx):
198
+ """
199
+ Get an image from frame idx
200
+ """
201
+
202
+ header = self.entry[idx]
203
+
204
+ self.buf.seek(header["offset"])
205
+ data = self.buf.read(8)
206
+ self.buf.seek(header["offset"])
207
+
208
+ if data[:8] == PngImagePlugin._MAGIC:
209
+ # png frame
210
+ im = PngImagePlugin.PngImageFile(self.buf)
211
+ Image._decompression_bomb_check(im.size)
212
+ else:
213
+ # XOR + AND mask bmp frame
214
+ im = BmpImagePlugin.DibImageFile(self.buf)
215
+ Image._decompression_bomb_check(im.size)
216
+
217
+ # change tile dimension to only encompass XOR image
218
+ im._size = (im.size[0], int(im.size[1] / 2))
219
+ d, e, o, a = im.tile[0]
220
+ im.tile[0] = d, (0, 0) + im.size, o, a
221
+
222
+ # figure out where AND mask image starts
223
+ bpp = header["bpp"]
224
+ if 32 == bpp:
225
+ # 32-bit color depth icon image allows semitransparent areas
226
+ # PIL's DIB format ignores transparency bits, recover them.
227
+ # The DIB is packed in BGRX byte order where X is the alpha
228
+ # channel.
229
+
230
+ # Back up to start of bmp data
231
+ self.buf.seek(o)
232
+ # extract every 4th byte (eg. 3,7,11,15,...)
233
+ alpha_bytes = self.buf.read(im.size[0] * im.size[1] * 4)[3::4]
234
+
235
+ # convert to an 8bpp grayscale image
236
+ mask = Image.frombuffer(
237
+ "L", # 8bpp
238
+ im.size, # (w, h)
239
+ alpha_bytes, # source chars
240
+ "raw", # raw decoder
241
+ ("L", 0, -1), # 8bpp inverted, unpadded, reversed
242
+ )
243
+ else:
244
+ # get AND image from end of bitmap
245
+ w = im.size[0]
246
+ if (w % 32) > 0:
247
+ # bitmap row data is aligned to word boundaries
248
+ w += 32 - (im.size[0] % 32)
249
+
250
+ # the total mask data is
251
+ # padded row size * height / bits per char
252
+
253
+ total_bytes = int((w * im.size[1]) / 8)
254
+ and_mask_offset = header["offset"] + header["size"] - total_bytes
255
+
256
+ self.buf.seek(and_mask_offset)
257
+ mask_data = self.buf.read(total_bytes)
258
+
259
+ # convert raw data to image
260
+ mask = Image.frombuffer(
261
+ "1", # 1 bpp
262
+ im.size, # (w, h)
263
+ mask_data, # source chars
264
+ "raw", # raw decoder
265
+ ("1;I", int(w / 8), -1), # 1bpp inverted, padded, reversed
266
+ )
267
+
268
+ # now we have two images, im is XOR image and mask is AND image
269
+
270
+ # apply mask image as alpha channel
271
+ im = im.convert("RGBA")
272
+ im.putalpha(mask)
273
+
274
+ return im
275
+
276
+
277
+ ##
278
+ # Image plugin for Windows Icon files.
279
+
280
+
281
+ class IcoImageFile(ImageFile.ImageFile):
282
+ """
283
+ PIL read-only image support for Microsoft Windows .ico files.
284
+
285
+ By default the largest resolution image in the file will be loaded. This
286
+ can be changed by altering the 'size' attribute before calling 'load'.
287
+
288
+ The info dictionary has a key 'sizes' that is a list of the sizes available
289
+ in the icon file.
290
+
291
+ Handles classic, XP and Vista icon formats.
292
+
293
+ When saving, PNG compression is used. Support for this was only added in
294
+ Windows Vista. If you are unable to view the icon in Windows, convert the
295
+ image to "RGBA" mode before saving.
296
+
297
+ This plugin is a refactored version of Win32IconImagePlugin by Bryan Davis
298
+ <casadebender@gmail.com>.
299
+ https://code.google.com/archive/p/casadebender/wikis/Win32IconImagePlugin.wiki
300
+ """
301
+
302
+ format = "ICO"
303
+ format_description = "Windows Icon"
304
+
305
+ def _open(self):
306
+ self.ico = IcoFile(self.fp)
307
+ self.info["sizes"] = self.ico.sizes()
308
+ self.size = self.ico.entry[0]["dim"]
309
+ self.load()
310
+
311
+ @property
312
+ def size(self):
313
+ return self._size
314
+
315
+ @size.setter
316
+ def size(self, value):
317
+ if value not in self.info["sizes"]:
318
+ msg = "This is not one of the allowed sizes of this image"
319
+ raise ValueError(msg)
320
+ self._size = value
321
+
322
+ def load(self):
323
+ if self.im is not None and self.im.size == self.size:
324
+ # Already loaded
325
+ return Image.Image.load(self)
326
+ im = self.ico.getimage(self.size)
327
+ # if tile is PNG, it won't really be loaded yet
328
+ im.load()
329
+ self.im = im.im
330
+ self.pyaccess = None
331
+ self._mode = im.mode
332
+ if im.size != self.size:
333
+ warnings.warn("Image was not the expected size")
334
+
335
+ index = self.ico.getentryindex(self.size)
336
+ sizes = list(self.info["sizes"])
337
+ sizes[index] = im.size
338
+ self.info["sizes"] = set(sizes)
339
+
340
+ self.size = im.size
341
+
342
+ def load_seek(self):
343
+ # Flag the ImageFile.Parser so that it
344
+ # just does all the decode at the end.
345
+ pass
346
+
347
+
348
+ #
349
+ # --------------------------------------------------------------------
350
+
351
+
352
+ Image.register_open(IcoImageFile.format, IcoImageFile, _accept)
353
+ Image.register_save(IcoImageFile.format, _save)
354
+ Image.register_extension(IcoImageFile.format, ".ico")
355
+
356
+ Image.register_mime(IcoImageFile.format, "image/x-icon")
venv/Lib/site-packages/PIL/ImImagePlugin.py ADDED
@@ -0,0 +1,371 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # IFUNC IM file handling for PIL
6
+ #
7
+ # history:
8
+ # 1995-09-01 fl Created.
9
+ # 1997-01-03 fl Save palette images
10
+ # 1997-01-08 fl Added sequence support
11
+ # 1997-01-23 fl Added P and RGB save support
12
+ # 1997-05-31 fl Read floating point images
13
+ # 1997-06-22 fl Save floating point images
14
+ # 1997-08-27 fl Read and save 1-bit images
15
+ # 1998-06-25 fl Added support for RGB+LUT images
16
+ # 1998-07-02 fl Added support for YCC images
17
+ # 1998-07-15 fl Renamed offset attribute to avoid name clash
18
+ # 1998-12-29 fl Added I;16 support
19
+ # 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.7)
20
+ # 2003-09-26 fl Added LA/PA support
21
+ #
22
+ # Copyright (c) 1997-2003 by Secret Labs AB.
23
+ # Copyright (c) 1995-2001 by Fredrik Lundh.
24
+ #
25
+ # See the README file for information on usage and redistribution.
26
+ #
27
+ from __future__ import annotations
28
+
29
+ import os
30
+ import re
31
+
32
+ from . import Image, ImageFile, ImagePalette
33
+
34
+ # --------------------------------------------------------------------
35
+ # Standard tags
36
+
37
+ COMMENT = "Comment"
38
+ DATE = "Date"
39
+ EQUIPMENT = "Digitalization equipment"
40
+ FRAMES = "File size (no of images)"
41
+ LUT = "Lut"
42
+ NAME = "Name"
43
+ SCALE = "Scale (x,y)"
44
+ SIZE = "Image size (x*y)"
45
+ MODE = "Image type"
46
+
47
+ TAGS = {
48
+ COMMENT: 0,
49
+ DATE: 0,
50
+ EQUIPMENT: 0,
51
+ FRAMES: 0,
52
+ LUT: 0,
53
+ NAME: 0,
54
+ SCALE: 0,
55
+ SIZE: 0,
56
+ MODE: 0,
57
+ }
58
+
59
+ OPEN = {
60
+ # ifunc93/p3cfunc formats
61
+ "0 1 image": ("1", "1"),
62
+ "L 1 image": ("1", "1"),
63
+ "Greyscale image": ("L", "L"),
64
+ "Grayscale image": ("L", "L"),
65
+ "RGB image": ("RGB", "RGB;L"),
66
+ "RLB image": ("RGB", "RLB"),
67
+ "RYB image": ("RGB", "RLB"),
68
+ "B1 image": ("1", "1"),
69
+ "B2 image": ("P", "P;2"),
70
+ "B4 image": ("P", "P;4"),
71
+ "X 24 image": ("RGB", "RGB"),
72
+ "L 32 S image": ("I", "I;32"),
73
+ "L 32 F image": ("F", "F;32"),
74
+ # old p3cfunc formats
75
+ "RGB3 image": ("RGB", "RGB;T"),
76
+ "RYB3 image": ("RGB", "RYB;T"),
77
+ # extensions
78
+ "LA image": ("LA", "LA;L"),
79
+ "PA image": ("LA", "PA;L"),
80
+ "RGBA image": ("RGBA", "RGBA;L"),
81
+ "RGBX image": ("RGBX", "RGBX;L"),
82
+ "CMYK image": ("CMYK", "CMYK;L"),
83
+ "YCC image": ("YCbCr", "YCbCr;L"),
84
+ }
85
+
86
+ # ifunc95 extensions
87
+ for i in ["8", "8S", "16", "16S", "32", "32F"]:
88
+ OPEN[f"L {i} image"] = ("F", f"F;{i}")
89
+ OPEN[f"L*{i} image"] = ("F", f"F;{i}")
90
+ for i in ["16", "16L", "16B"]:
91
+ OPEN[f"L {i} image"] = (f"I;{i}", f"I;{i}")
92
+ OPEN[f"L*{i} image"] = (f"I;{i}", f"I;{i}")
93
+ for i in ["32S"]:
94
+ OPEN[f"L {i} image"] = ("I", f"I;{i}")
95
+ OPEN[f"L*{i} image"] = ("I", f"I;{i}")
96
+ for i in range(2, 33):
97
+ OPEN[f"L*{i} image"] = ("F", f"F;{i}")
98
+
99
+
100
+ # --------------------------------------------------------------------
101
+ # Read IM directory
102
+
103
+ split = re.compile(rb"^([A-Za-z][^:]*):[ \t]*(.*)[ \t]*$")
104
+
105
+
106
+ def number(s):
107
+ try:
108
+ return int(s)
109
+ except ValueError:
110
+ return float(s)
111
+
112
+
113
+ ##
114
+ # Image plugin for the IFUNC IM file format.
115
+
116
+
117
+ class ImImageFile(ImageFile.ImageFile):
118
+ format = "IM"
119
+ format_description = "IFUNC Image Memory"
120
+ _close_exclusive_fp_after_loading = False
121
+
122
+ def _open(self):
123
+ # Quick rejection: if there's not an LF among the first
124
+ # 100 bytes, this is (probably) not a text header.
125
+
126
+ if b"\n" not in self.fp.read(100):
127
+ msg = "not an IM file"
128
+ raise SyntaxError(msg)
129
+ self.fp.seek(0)
130
+
131
+ n = 0
132
+
133
+ # Default values
134
+ self.info[MODE] = "L"
135
+ self.info[SIZE] = (512, 512)
136
+ self.info[FRAMES] = 1
137
+
138
+ self.rawmode = "L"
139
+
140
+ while True:
141
+ s = self.fp.read(1)
142
+
143
+ # Some versions of IFUNC uses \n\r instead of \r\n...
144
+ if s == b"\r":
145
+ continue
146
+
147
+ if not s or s == b"\0" or s == b"\x1A":
148
+ break
149
+
150
+ # FIXME: this may read whole file if not a text file
151
+ s = s + self.fp.readline()
152
+
153
+ if len(s) > 100:
154
+ msg = "not an IM file"
155
+ raise SyntaxError(msg)
156
+
157
+ if s[-2:] == b"\r\n":
158
+ s = s[:-2]
159
+ elif s[-1:] == b"\n":
160
+ s = s[:-1]
161
+
162
+ try:
163
+ m = split.match(s)
164
+ except re.error as e:
165
+ msg = "not an IM file"
166
+ raise SyntaxError(msg) from e
167
+
168
+ if m:
169
+ k, v = m.group(1, 2)
170
+
171
+ # Don't know if this is the correct encoding,
172
+ # but a decent guess (I guess)
173
+ k = k.decode("latin-1", "replace")
174
+ v = v.decode("latin-1", "replace")
175
+
176
+ # Convert value as appropriate
177
+ if k in [FRAMES, SCALE, SIZE]:
178
+ v = v.replace("*", ",")
179
+ v = tuple(map(number, v.split(",")))
180
+ if len(v) == 1:
181
+ v = v[0]
182
+ elif k == MODE and v in OPEN:
183
+ v, self.rawmode = OPEN[v]
184
+
185
+ # Add to dictionary. Note that COMMENT tags are
186
+ # combined into a list of strings.
187
+ if k == COMMENT:
188
+ if k in self.info:
189
+ self.info[k].append(v)
190
+ else:
191
+ self.info[k] = [v]
192
+ else:
193
+ self.info[k] = v
194
+
195
+ if k in TAGS:
196
+ n += 1
197
+
198
+ else:
199
+ msg = "Syntax error in IM header: " + s.decode("ascii", "replace")
200
+ raise SyntaxError(msg)
201
+
202
+ if not n:
203
+ msg = "Not an IM file"
204
+ raise SyntaxError(msg)
205
+
206
+ # Basic attributes
207
+ self._size = self.info[SIZE]
208
+ self._mode = self.info[MODE]
209
+
210
+ # Skip forward to start of image data
211
+ while s and s[:1] != b"\x1A":
212
+ s = self.fp.read(1)
213
+ if not s:
214
+ msg = "File truncated"
215
+ raise SyntaxError(msg)
216
+
217
+ if LUT in self.info:
218
+ # convert lookup table to palette or lut attribute
219
+ palette = self.fp.read(768)
220
+ greyscale = 1 # greyscale palette
221
+ linear = 1 # linear greyscale palette
222
+ for i in range(256):
223
+ if palette[i] == palette[i + 256] == palette[i + 512]:
224
+ if palette[i] != i:
225
+ linear = 0
226
+ else:
227
+ greyscale = 0
228
+ if self.mode in ["L", "LA", "P", "PA"]:
229
+ if greyscale:
230
+ if not linear:
231
+ self.lut = list(palette[:256])
232
+ else:
233
+ if self.mode in ["L", "P"]:
234
+ self._mode = self.rawmode = "P"
235
+ elif self.mode in ["LA", "PA"]:
236
+ self._mode = "PA"
237
+ self.rawmode = "PA;L"
238
+ self.palette = ImagePalette.raw("RGB;L", palette)
239
+ elif self.mode == "RGB":
240
+ if not greyscale or not linear:
241
+ self.lut = list(palette)
242
+
243
+ self.frame = 0
244
+
245
+ self.__offset = offs = self.fp.tell()
246
+
247
+ self._fp = self.fp # FIXME: hack
248
+
249
+ if self.rawmode[:2] == "F;":
250
+ # ifunc95 formats
251
+ try:
252
+ # use bit decoder (if necessary)
253
+ bits = int(self.rawmode[2:])
254
+ if bits not in [8, 16, 32]:
255
+ self.tile = [("bit", (0, 0) + self.size, offs, (bits, 8, 3, 0, -1))]
256
+ return
257
+ except ValueError:
258
+ pass
259
+
260
+ if self.rawmode in ["RGB;T", "RYB;T"]:
261
+ # Old LabEye/3PC files. Would be very surprised if anyone
262
+ # ever stumbled upon such a file ;-)
263
+ size = self.size[0] * self.size[1]
264
+ self.tile = [
265
+ ("raw", (0, 0) + self.size, offs, ("G", 0, -1)),
266
+ ("raw", (0, 0) + self.size, offs + size, ("R", 0, -1)),
267
+ ("raw", (0, 0) + self.size, offs + 2 * size, ("B", 0, -1)),
268
+ ]
269
+ else:
270
+ # LabEye/IFUNC files
271
+ self.tile = [("raw", (0, 0) + self.size, offs, (self.rawmode, 0, -1))]
272
+
273
+ @property
274
+ def n_frames(self):
275
+ return self.info[FRAMES]
276
+
277
+ @property
278
+ def is_animated(self):
279
+ return self.info[FRAMES] > 1
280
+
281
+ def seek(self, frame):
282
+ if not self._seek_check(frame):
283
+ return
284
+
285
+ self.frame = frame
286
+
287
+ if self.mode == "1":
288
+ bits = 1
289
+ else:
290
+ bits = 8 * len(self.mode)
291
+
292
+ size = ((self.size[0] * bits + 7) // 8) * self.size[1]
293
+ offs = self.__offset + frame * size
294
+
295
+ self.fp = self._fp
296
+
297
+ self.tile = [("raw", (0, 0) + self.size, offs, (self.rawmode, 0, -1))]
298
+
299
+ def tell(self):
300
+ return self.frame
301
+
302
+
303
+ #
304
+ # --------------------------------------------------------------------
305
+ # Save IM files
306
+
307
+
308
+ SAVE = {
309
+ # mode: (im type, raw mode)
310
+ "1": ("0 1", "1"),
311
+ "L": ("Greyscale", "L"),
312
+ "LA": ("LA", "LA;L"),
313
+ "P": ("Greyscale", "P"),
314
+ "PA": ("LA", "PA;L"),
315
+ "I": ("L 32S", "I;32S"),
316
+ "I;16": ("L 16", "I;16"),
317
+ "I;16L": ("L 16L", "I;16L"),
318
+ "I;16B": ("L 16B", "I;16B"),
319
+ "F": ("L 32F", "F;32F"),
320
+ "RGB": ("RGB", "RGB;L"),
321
+ "RGBA": ("RGBA", "RGBA;L"),
322
+ "RGBX": ("RGBX", "RGBX;L"),
323
+ "CMYK": ("CMYK", "CMYK;L"),
324
+ "YCbCr": ("YCC", "YCbCr;L"),
325
+ }
326
+
327
+
328
+ def _save(im, fp, filename):
329
+ try:
330
+ image_type, rawmode = SAVE[im.mode]
331
+ except KeyError as e:
332
+ msg = f"Cannot save {im.mode} images as IM"
333
+ raise ValueError(msg) from e
334
+
335
+ frames = im.encoderinfo.get("frames", 1)
336
+
337
+ fp.write(f"Image type: {image_type} image\r\n".encode("ascii"))
338
+ if filename:
339
+ # Each line must be 100 characters or less,
340
+ # or: SyntaxError("not an IM file")
341
+ # 8 characters are used for "Name: " and "\r\n"
342
+ # Keep just the filename, ditch the potentially overlong path
343
+ name, ext = os.path.splitext(os.path.basename(filename))
344
+ name = "".join([name[: 92 - len(ext)], ext])
345
+
346
+ fp.write(f"Name: {name}\r\n".encode("ascii"))
347
+ fp.write(("Image size (x*y): %d*%d\r\n" % im.size).encode("ascii"))
348
+ fp.write(f"File size (no of images): {frames}\r\n".encode("ascii"))
349
+ if im.mode in ["P", "PA"]:
350
+ fp.write(b"Lut: 1\r\n")
351
+ fp.write(b"\000" * (511 - fp.tell()) + b"\032")
352
+ if im.mode in ["P", "PA"]:
353
+ im_palette = im.im.getpalette("RGB", "RGB;L")
354
+ colors = len(im_palette) // 3
355
+ palette = b""
356
+ for i in range(3):
357
+ palette += im_palette[colors * i : colors * (i + 1)]
358
+ palette += b"\x00" * (256 - colors)
359
+ fp.write(palette) # 768 bytes
360
+ ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, -1))])
361
+
362
+
363
+ #
364
+ # --------------------------------------------------------------------
365
+ # Registry
366
+
367
+
368
+ Image.register_open(ImImageFile.format, ImImageFile)
369
+ Image.register_save(ImImageFile.format, _save)
370
+
371
+ Image.register_extension(ImImageFile.format, ".im")
venv/Lib/site-packages/PIL/Image.py ADDED
The diff for this file is too large to render. See raw diff
 
venv/Lib/site-packages/PIL/ImageChops.py ADDED
@@ -0,0 +1,311 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #
2
+ # The Python Imaging Library.
3
+ # $Id$
4
+ #
5
+ # standard channel operations
6
+ #
7
+ # History:
8
+ # 1996-03-24 fl Created
9
+ # 1996-08-13 fl Added logical operations (for "1" images)
10
+ # 2000-10-12 fl Added offset method (from Image.py)
11
+ #
12
+ # Copyright (c) 1997-2000 by Secret Labs AB
13
+ # Copyright (c) 1996-2000 by Fredrik Lundh
14
+ #
15
+ # See the README file for information on usage and redistribution.
16
+ #
17
+
18
+ from __future__ import annotations
19
+
20
+ from . import Image
21
+
22
+
23
+ def constant(image: Image.Image, value: int) -> Image.Image:
24
+ """Fill a channel with a given gray level.
25
+
26
+ :rtype: :py:class:`~PIL.Image.Image`
27
+ """
28
+
29
+ return Image.new("L", image.size, value)
30
+
31
+
32
+ def duplicate(image: Image.Image) -> Image.Image:
33
+ """Copy a channel. Alias for :py:meth:`PIL.Image.Image.copy`.
34
+
35
+ :rtype: :py:class:`~PIL.Image.Image`
36
+ """
37
+
38
+ return image.copy()
39
+
40
+
41
+ def invert(image: Image.Image) -> Image.Image:
42
+ """
43
+ Invert an image (channel). ::
44
+
45
+ out = MAX - image
46
+
47
+ :rtype: :py:class:`~PIL.Image.Image`
48
+ """
49
+
50
+ image.load()
51
+ return image._new(image.im.chop_invert())
52
+
53
+
54
+ def lighter(image1: Image.Image, image2: Image.Image) -> Image.Image:
55
+ """
56
+ Compares the two images, pixel by pixel, and returns a new image containing
57
+ the lighter values. ::
58
+
59
+ out = max(image1, image2)
60
+
61
+ :rtype: :py:class:`~PIL.Image.Image`
62
+ """
63
+
64
+ image1.load()
65
+ image2.load()
66
+ return image1._new(image1.im.chop_lighter(image2.im))
67
+
68
+
69
+ def darker(image1: Image.Image, image2: Image.Image) -> Image.Image:
70
+ """
71
+ Compares the two images, pixel by pixel, and returns a new image containing
72
+ the darker values. ::
73
+
74
+ out = min(image1, image2)
75
+
76
+ :rtype: :py:class:`~PIL.Image.Image`
77
+ """
78
+
79
+ image1.load()
80
+ image2.load()
81
+ return image1._new(image1.im.chop_darker(image2.im))
82
+
83
+
84
+ def difference(image1: Image.Image, image2: Image.Image) -> Image.Image:
85
+ """
86
+ Returns the absolute value of the pixel-by-pixel difference between the two
87
+ images. ::
88
+
89
+ out = abs(image1 - image2)
90
+
91
+ :rtype: :py:class:`~PIL.Image.Image`
92
+ """
93
+
94
+ image1.load()
95
+ image2.load()
96
+ return image1._new(image1.im.chop_difference(image2.im))
97
+
98
+
99
+ def multiply(image1: Image.Image, image2: Image.Image) -> Image.Image:
100
+ """
101
+ Superimposes two images on top of each other.
102
+
103
+ If you multiply an image with a solid black image, the result is black. If
104
+ you multiply with a solid white image, the image is unaffected. ::
105
+
106
+ out = image1 * image2 / MAX
107
+
108
+ :rtype: :py:class:`~PIL.Image.Image`
109
+ """
110
+
111
+ image1.load()
112
+ image2.load()
113
+ return image1._new(image1.im.chop_multiply(image2.im))
114
+
115
+
116
+ def screen(image1: Image.Image, image2: Image.Image) -> Image.Image:
117
+ """
118
+ Superimposes two inverted images on top of each other. ::
119
+
120
+ out = MAX - ((MAX - image1) * (MAX - image2) / MAX)
121
+
122
+ :rtype: :py:class:`~PIL.Image.Image`
123
+ """
124
+
125
+ image1.load()
126
+ image2.load()
127
+ return image1._new(image1.im.chop_screen(image2.im))
128
+
129
+
130
+ def soft_light(image1: Image.Image, image2: Image.Image) -> Image.Image:
131
+ """
132
+ Superimposes two images on top of each other using the Soft Light algorithm
133
+
134
+ :rtype: :py:class:`~PIL.Image.Image`
135
+ """
136
+
137
+ image1.load()
138
+ image2.load()
139
+ return image1._new(image1.im.chop_soft_light(image2.im))
140
+
141
+
142
+ def hard_light(image1: Image.Image, image2: Image.Image) -> Image.Image:
143
+ """
144
+ Superimposes two images on top of each other using the Hard Light algorithm
145
+
146
+ :rtype: :py:class:`~PIL.Image.Image`
147
+ """
148
+
149
+ image1.load()
150
+ image2.load()
151
+ return image1._new(image1.im.chop_hard_light(image2.im))
152
+
153
+
154
+ def overlay(image1: Image.Image, image2: Image.Image) -> Image.Image:
155
+ """
156
+ Superimposes two images on top of each other using the Overlay algorithm
157
+
158
+ :rtype: :py:class:`~PIL.Image.Image`
159
+ """
160
+
161
+ image1.load()
162
+ image2.load()
163
+ return image1._new(image1.im.chop_overlay(image2.im))
164
+
165
+
166
+ def add(
167
+ image1: Image.Image, image2: Image.Image, scale: float = 1.0, offset: float = 0
168
+ ) -> Image.Image:
169
+ """
170
+ Adds two images, dividing the result by scale and adding the
171
+ offset. If omitted, scale defaults to 1.0, and offset to 0.0. ::
172
+
173
+ out = ((image1 + image2) / scale + offset)
174
+
175
+ :rtype: :py:class:`~PIL.Image.Image`
176
+ """
177
+
178
+ image1.load()
179
+ image2.load()
180
+ return image1._new(image1.im.chop_add(image2.im, scale, offset))
181
+
182
+
183
+ def subtract(
184
+ image1: Image.Image, image2: Image.Image, scale: float = 1.0, offset: float = 0
185
+ ) -> Image.Image:
186
+ """
187
+ Subtracts two images, dividing the result by scale and adding the offset.
188
+ If omitted, scale defaults to 1.0, and offset to 0.0. ::
189
+
190
+ out = ((image1 - image2) / scale + offset)
191
+
192
+ :rtype: :py:class:`~PIL.Image.Image`
193
+ """
194
+
195
+ image1.load()
196
+ image2.load()
197
+ return image1._new(image1.im.chop_subtract(image2.im, scale, offset))
198
+
199
+
200
+ def add_modulo(image1: Image.Image, image2: Image.Image) -> Image.Image:
201
+ """Add two images, without clipping the result. ::
202
+
203
+ out = ((image1 + image2) % MAX)
204
+
205
+ :rtype: :py:class:`~PIL.Image.Image`
206
+ """
207
+
208
+ image1.load()
209
+ image2.load()
210
+ return image1._new(image1.im.chop_add_modulo(image2.im))
211
+
212
+
213
+ def subtract_modulo(image1: Image.Image, image2: Image.Image) -> Image.Image:
214
+ """Subtract two images, without clipping the result. ::
215
+
216
+ out = ((image1 - image2) % MAX)
217
+
218
+ :rtype: :py:class:`~PIL.Image.Image`
219
+ """
220
+
221
+ image1.load()
222
+ image2.load()
223
+ return image1._new(image1.im.chop_subtract_modulo(image2.im))
224
+
225
+
226
+ def logical_and(image1: Image.Image, image2: Image.Image) -> Image.Image:
227
+ """Logical AND between two images.
228
+
229
+ Both of the images must have mode "1". If you would like to perform a
230
+ logical AND on an image with a mode other than "1", try
231
+ :py:meth:`~PIL.ImageChops.multiply` instead, using a black-and-white mask
232
+ as the second image. ::
233
+
234
+ out = ((image1 and image2) % MAX)
235
+
236
+ :rtype: :py:class:`~PIL.Image.Image`
237
+ """
238
+
239
+ image1.load()
240
+ image2.load()
241
+ return image1._new(image1.im.chop_and(image2.im))
242
+
243
+
244
+ def logical_or(image1: Image.Image, image2: Image.Image) -> Image.Image:
245
+ """Logical OR between two images.
246
+
247
+ Both of the images must have mode "1". ::
248
+
249
+ out = ((image1 or image2) % MAX)
250
+
251
+ :rtype: :py:class:`~PIL.Image.Image`
252
+ """
253
+
254
+ image1.load()
255
+ image2.load()
256
+ return image1._new(image1.im.chop_or(image2.im))
257
+
258
+
259
+ def logical_xor(image1: Image.Image, image2: Image.Image) -> Image.Image:
260
+ """Logical XOR between two images.
261
+
262
+ Both of the images must have mode "1". ::
263
+
264
+ out = ((bool(image1) != bool(image2)) % MAX)
265
+
266
+ :rtype: :py:class:`~PIL.Image.Image`
267
+ """
268
+
269
+ image1.load()
270
+ image2.load()
271
+ return image1._new(image1.im.chop_xor(image2.im))
272
+
273
+
274
+ def blend(image1: Image.Image, image2: Image.Image, alpha: float) -> Image.Image:
275
+ """Blend images using constant transparency weight. Alias for
276
+ :py:func:`PIL.Image.blend`.
277
+
278
+ :rtype: :py:class:`~PIL.Image.Image`
279
+ """
280
+
281
+ return Image.blend(image1, image2, alpha)
282
+
283
+
284
+ def composite(
285
+ image1: Image.Image, image2: Image.Image, mask: Image.Image
286
+ ) -> Image.Image:
287
+ """Create composite using transparency mask. Alias for
288
+ :py:func:`PIL.Image.composite`.
289
+
290
+ :rtype: :py:class:`~PIL.Image.Image`
291
+ """
292
+
293
+ return Image.composite(image1, image2, mask)
294
+
295
+
296
+ def offset(image: Image.Image, xoffset: int, yoffset: int | None = None) -> Image.Image:
297
+ """Returns a copy of the image where data has been offset by the given
298
+ distances. Data wraps around the edges. If ``yoffset`` is omitted, it
299
+ is assumed to be equal to ``xoffset``.
300
+
301
+ :param image: Input image.
302
+ :param xoffset: The horizontal distance.
303
+ :param yoffset: The vertical distance. If omitted, both
304
+ distances are set to the same value.
305
+ :rtype: :py:class:`~PIL.Image.Image`
306
+ """
307
+
308
+ if yoffset is None:
309
+ yoffset = xoffset
310
+ image.load()
311
+ return image._new(image.im.offset(xoffset, yoffset))