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annotate pytouhou/ui/sdl/texture.pyx @ 528:7c3c90468996

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Inherit music players from a base class.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 18 Dec 2013 22:36:23 +0100
parents 43ecf0f98f4d
children b895ed2de71f
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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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14
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15 from pytouhou.lib.sdl cimport load_png, create_rgb_surface
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16
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17 import os
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18
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19
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20 cdef class TextureManager:
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21 def __init__(self, loader, window):
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22 self.loader = loader
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23 self.window = window
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24
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25
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26 cdef void load(self, dict anms):
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27 for anm in sorted(anms.values(), key=is_ascii):
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28 for entry in anm:
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29 if entry.texture is None:
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30 texture = decode_png(self.loader, entry.first_name, entry.secondary_name)
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31 #elif not isinstance(entry.texture, self.texture_class):
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32 # texture = entry.texture
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33 entry.texture = self.load_texture(texture)
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34 anms.clear()
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35
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36
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37 cdef load_texture(self, Surface surface):
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38 return self.window.create_texture_from_surface(surface)
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39
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40
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41 def is_ascii(anm):
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42 return anm[0].first_name.endswith('ascii.png')
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43
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44
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45 cdef Surface decode_png(loader, first_name, secondary_name):
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46 image_file = load_png(loader.get_file(os.path.basename(first_name)))
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47 width, height = image_file.surface.w, image_file.surface.h
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48
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49 # Support only 32 bits RGBA. Paletted surfaces are awful to work with.
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50 #TODO: verify it doesn’t blow up on big-endian systems.
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51 new_image = create_rgb_surface(width, height, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000)
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52 new_image.blit(image_file)
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53
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54 if secondary_name:
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55 alpha_file = load_png(loader.get_file(os.path.basename(secondary_name)))
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56 assert (width == alpha_file.surface.w and height == alpha_file.surface.h)
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57
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58 new_alpha_file = create_rgb_surface(width, height, 24)
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59 new_alpha_file.blit(alpha_file)
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60
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61 new_image.set_alpha(new_alpha_file)
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62
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63 return new_image