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annotate pytouhou/opengl/texture.py @ 17:d940d004b840

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Make game.sprite.Sprite use its own frame counter.
author Thibaut Girka <thib@sitedethib.com>
date Tue, 09 Aug 2011 11:40:13 +0200
parents 66ce9bb440ac
children cc864aadc733
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1 import pygame
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2 import os
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3 from io import BytesIO
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5 import OpenGL
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6 OpenGL.FORWARD_COMPATIBLE_ONLY = True
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7 from OpenGL.GL import *
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8 from OpenGL.GLU import *
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11 class TextureManager(object):
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12 def __init__(self, archive):
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13 self.archive = archive
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14 self.textures = {}
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16 def __getitem__(self, key):
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17 if not key in self.textures:
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18 self.textures[key] = self.load_texture(key)
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19 return self.textures[key]
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22 def set_archive(self, archive):
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23 self.archive = archive
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26 def load_texture(self, key):
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27 first_name, secondary_name = key
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29 image_file = BytesIO(self.archive.extract(os.path.basename(first_name)))
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30 textureSurface = pygame.image.load(image_file).convert_alpha()
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32 if secondary_name:
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33 alpha_image_file = BytesIO(self.archive.extract(os.path.basename(secondary_name)))
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34 alphaSurface = pygame.image.load(alpha_image_file)
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35 assert textureSurface.get_size() == alphaSurface.get_size()
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36 for x in range(alphaSurface.get_width()):
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37 for y in range(alphaSurface.get_height()):
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38 r, g, b, a = textureSurface.get_at((x, y))
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39 color2 = alphaSurface.get_at((x, y))
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40 textureSurface.set_at((x, y), (r, g, b, color2[0]))
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42 textureData = pygame.image.tostring(textureSurface, 'RGBA', 1)
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44 width = textureSurface.get_width()
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45 height = textureSurface.get_height()
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47 texture = glGenTextures(1)
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48 glBindTexture(GL_TEXTURE_2D, texture)
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50 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA,
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51 GL_UNSIGNED_BYTE, textureData)
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53 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
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54 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
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56 return texture
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