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import abc
import six
@six.add_metaclass(abc.ABCMeta)
class Platform(object):
"""Base class for all OpenGL platforms.
Parameters
----------
viewport_width : int
The width of the main viewport, in pixels.
viewport_height : int
The height of the main viewport, in pixels
"""
def __init__(self, viewport_width, viewport_height):
self.viewport_width = viewport_width
self.viewport_height = viewport_height
@property
def viewport_width(self):
"""int : The width of the main viewport, in pixels.
"""
return self._viewport_width
@viewport_width.setter
def viewport_width(self, value):
self._viewport_width = value
@property
def viewport_height(self):
"""int : The height of the main viewport, in pixels.
"""
return self._viewport_height
@viewport_height.setter
def viewport_height(self, value):
self._viewport_height = value
@abc.abstractmethod
def init_context(self):
"""Create an OpenGL context.
"""
pass
@abc.abstractmethod
def make_current(self):
"""Make the OpenGL context current.
"""
pass
@abc.abstractmethod
def make_uncurrent(self):
"""Make the OpenGL context uncurrent.
"""
pass
@abc.abstractmethod
def delete_context(self):
"""Delete the OpenGL context.
"""
pass
@abc.abstractmethod
def supports_framebuffers(self):
"""Returns True if the method supports framebuffer rendering.
"""
pass
def __del__(self):
try:
self.delete_context()
except Exception:
pass
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