Mercurial > touhou
diff pytouhou/opengl/texture.py @ 14:07a7f28c8aaa
Minor refactoring
author | Thibaut Girka <thib@sitedethib.com> |
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date | Fri, 05 Aug 2011 14:54:32 +0200 |
parents | |
children | 07fba4e1da65 |
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new file mode 100644 --- /dev/null +++ b/pytouhou/opengl/texture.py @@ -0,0 +1,37 @@ +import pygame +import os +from io import BytesIO + +import OpenGL +OpenGL.FORWARD_COMPATIBLE_ONLY = True +from OpenGL.GL import * +from OpenGL.GLU import * + + +def load_texture(archive, anim): + image_file = BytesIO(archive.extract(os.path.basename(anim.first_name))) + textureSurface = pygame.image.load(image_file).convert_alpha() + + if anim.secondary_name: + alpha_image_file = BytesIO(archive.extract(os.path.basename(anim.secondary_name))) + alphaSurface = pygame.image.load(alpha_image_file) + assert textureSurface.get_size() == alphaSurface.get_size() + for x in range(alphaSurface.get_width()): + for y in range(alphaSurface.get_height()): + r, g, b, a = textureSurface.get_at((x, y)) + color2 = alphaSurface.get_at((x, y)) + textureSurface.set_at((x, y), (r, g, b, color2[0])) + + textureData = pygame.image.tostring(textureSurface, 'RGBA', 1) + + width = textureSurface.get_width() + height = textureSurface.get_height() + + texture = glGenTextures(1) + glBindTexture(GL_TEXTURE_2D, texture) + + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, + GL_UNSIGNED_BYTE, textureData) + + return texture, width, height +