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annotate pytouhou/opengl/texture.py @ 148:6460814b68ea

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Work around a bug in nouveau
author Thibaut Girka <thib@sitedethib.com>
date Tue, 04 Oct 2011 17:52:37 +0200
parents fad7b44cebf2
children 7769ce7be03c
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ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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15 import pyglet
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16 from pyglet.gl import *
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17 import os
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20 class TextureManager(object):
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21 def __init__(self, loader=None):
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22 self.loader = loader
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23 self.textures = {}
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25 def __getitem__(self, key):
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26 if not key in self.textures:
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27 self.textures[key] = self.load_texture(key)
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28 return self.textures[key]
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31 def preload(self, anm_wrapper):
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32 try:
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33 anms = anm_wrapper.anm_files
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34 except AttributeError:
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35 anms = anm_wrapper
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37 for anm in anms:
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38 key = anm.first_name, anm.secondary_name
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39 texture = self[key]
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42 def load_texture(self, key):
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43 first_name, secondary_name = key
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45 image_file = pyglet.image.load(first_name, file=self.loader.get_file(os.path.basename(first_name)))
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47 if secondary_name:
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48 alpha_file = pyglet.image.load(secondary_name, file=self.loader.get_file(os.path.basename(secondary_name)))
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49 assert (image_file.width, image_file.height) == (alpha_file.width, image_file.height)
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51 data = image_file.get_data('RGB', image_file.width * 3)
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52 alpha_data = alpha_file.get_data('RGB', image_file.width * 3)
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53 image_file = pyglet.image.ImageData(image_file.width, image_file.height, 'RGBA', b''.join(data[i*3:i*3+3] + alpha_data[i*3] for i in range(image_file.width * image_file.height)))
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55 #TODO
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57 texture = image_file.get_texture()
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59 glTexParameteri(texture.target, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
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60 glTexParameteri(texture.target, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
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62 return texture
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