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| # coding: utf-8 | |
| # Copyright (C) 2022, [Breezedeus](https://github.com/breezedeus). | |
| # Licensed to the Apache Software Foundation (ASF) under one | |
| # or more contributor license agreements. See the NOTICE file | |
| # distributed with this work for additional information | |
| # regarding copyright ownership. The ASF licenses this file | |
| # to you under the Apache License, Version 2.0 (the | |
| # "License"); you may not use this file except in compliance | |
| # with the License. You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, | |
| # software distributed under the License is distributed on an | |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| # KIND, either express or implied. See the License for the | |
| # specific language governing permissions and limitations | |
| # under the License. | |
| import os | |
| from PIL import Image, ImageFilter | |
| import streamlit as st | |
| from cnocr import CnOcr | |
| from antiocr import AntiOcr, BG_IMAGE_FP, FONT_NAMES, set_logger, download_font | |
| logger = set_logger() | |
| st.set_page_config(layout="wide") | |
| FONT_LOCAL_DIR = 'fonts' | |
| def get_ocr_model(): | |
| return CnOcr() | |
| def download_image_button(img): | |
| from io import BytesIO | |
| buf = BytesIO() | |
| img.save(buf, format="JPEG") | |
| byte_im = buf.getvalue() | |
| st.download_button( | |
| label="下载图片", data=byte_im, file_name="antiOCR.jpeg", mime="image/jpeg", | |
| ) | |
| def main(): | |
| st.sidebar.header('输出设置') | |
| with st.spinner('Downloading fonts ...'): | |
| for fnt_fp in FONT_NAMES: | |
| download_font(os.path.join(FONT_LOCAL_DIR, fnt_fp)) | |
| font_fn = st.sidebar.selectbox('选择字体', FONT_NAMES, index=0) | |
| font_fp = os.path.join(FONT_LOCAL_DIR, font_fn) | |
| char_reverse_ratio = st.sidebar.slider( | |
| '文字倒转概率', min_value=0.0, max_value=1.0, value=0.1 | |
| ) | |
| char_to_pinyin_ratio = st.sidebar.slider( | |
| '文字转拼音概率', min_value=0.0, max_value=1.0, value=0.1 | |
| ) | |
| cols = st.sidebar.columns(2) | |
| min_font_size = int(cols[0].number_input('最小文字大小', 2, 80, value=15)) | |
| max_font_size = int( | |
| cols[1].number_input( | |
| '最大文字大小', min_font_size + 1, 120, value=max(40, min_font_size + 1) | |
| ) | |
| ) | |
| text_color = st.sidebar.color_picker('文字颜色', value='#5087DC') | |
| st.sidebar.markdown('----') | |
| use_random_bg = st.sidebar.checkbox('随机生成背景图片') | |
| if use_random_bg: | |
| bg_text_density = st.sidebar.slider( | |
| '背景图片文字密度', min_value=0.0, max_value=3.0, value=1.0 | |
| ) | |
| cols = st.sidebar.columns(2) | |
| bg_min_size = int( | |
| cols[0].number_input('背景图片最小文字', 2, 80, key='bg_min', value=15) | |
| ) | |
| bg_max_size = int( | |
| cols[1].number_input( | |
| '背景图片最大文字', | |
| bg_min_size + 1, | |
| 120, | |
| key='bg_max', | |
| value=max(70, bg_min_size + 1), | |
| ) | |
| ) | |
| bg_text_color = st.sidebar.color_picker('背景图片文字颜色', value='#07BCE0') | |
| bg_gen_config = dict( | |
| text_density=bg_text_density, | |
| text_color=bg_text_color, | |
| min_font_size=bg_min_size, | |
| max_font_size=bg_max_size, | |
| ) | |
| bg_image = None | |
| else: | |
| bg_gen_config = None | |
| bg_image = Image.open(BG_IMAGE_FP) | |
| bg_image = bg_image.filter(ImageFilter.MaxFilter(3)) | |
| title = '让文字自由传播：<a href="https://github.com/breezedeus/antiOCR">antiOCR</a>' | |
| st.markdown(f"<h1 style='text-align: center;'>{title}</h1>", unsafe_allow_html=True) | |
| subtitle = ( | |
| '作者：<a href="https://github.com/breezedeus">breezedeus</a>； ' | |
| '欢迎加入 <a href="https://cnocr.readthedocs.io/zh/latest/contact/">交流群</a>' | |
| ) | |
| st.markdown( | |
| f"<div style='text-align: center;'>{subtitle}</div>", unsafe_allow_html=True | |
| ) | |
| st.markdown('') | |
| st.markdown('') | |
| desc = '<strong>antiOCR</strong> 对指定的文字（来自输入或者图片）进行处理，输出图片，此图片无法通过OCR技术识别出有意义的文字。' | |
| st.markdown(f"<div style='text-align: left;'>{desc}</div>", unsafe_allow_html=True) | |
| st.markdown('') | |
| st.subheader('选择待转换文字图片，或者直接输入待转换文字') | |
| default_texts = '真的猛士，敢于直面惨淡的人生，敢于正视淋漓的鲜血。这是怎样的哀痛者和幸福者？然而造化又常常为庸人设计，以时间的流逝，来洗涤旧迹，仅是留下淡红的血色和微漠的悲哀。在这淡红的血色和微漠的悲哀中，又给人暂得偷生，维持着这似人非人的世界。 ——鲁迅' | |
| content_file = st.file_uploader('输入待转换的文字图片：', type=["png", "jpg", "jpeg", "webp"]) | |
| ocr = get_ocr_model() | |
| anti = AntiOcr() | |
| ocr_texts = None | |
| if content_file is not None: | |
| try: | |
| img = Image.open(content_file).convert('RGB') | |
| ocr_out = ocr.ocr(img) | |
| ocr_texts = '\n'.join([out['text'] for out in ocr_out]) | |
| except Exception as e: | |
| st.error(e) | |
| if not ocr_texts: | |
| st.warning(f'抱歉，图片中未识别出任何文字。') | |
| texts = st.text_area( | |
| '或者，直接输入待转换的文字：', value=ocr_texts or '', height=120, placeholder=default_texts | |
| ) | |
| texts = texts or default_texts | |
| enter = st.button("生成图片") | |
| if (content_file is not None and ocr_texts) or enter: | |
| with st.spinner('图片生成中…'): | |
| logger.info('\ngenerating an image for texts:\n %s', texts) | |
| out_img = anti( | |
| texts, | |
| char_reverse_ratio=char_reverse_ratio, | |
| char_to_pinyin_ratio=char_to_pinyin_ratio, | |
| text_color=text_color, | |
| min_font_size=min_font_size, | |
| max_font_size=max_font_size, | |
| bg_image=bg_image, | |
| bg_gen_config=bg_gen_config, | |
| font_fp=font_fp, | |
| ) | |
| st.subheader('输出图片') | |
| st.image(out_img) | |
| download_image_button(out_img) | |
| st.markdown('**对输出图片进行OCR，结果如下（如果依旧出现敏感词，尝试重新生成图片）：**') | |
| ocr_out = ocr.ocr(out_img) | |
| new_texts = [out['text'] for out in ocr_out] | |
| st.text('\n'.join(new_texts)) | |
| if __name__ == '__main__': | |
| main() | |