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annotate pytouhou/ui/texture.pyx @ 490:1b532e7dd521

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Decrease PBG3 loading time by improving lzss and bitstream integration.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 04 Oct 2013 14:28:49 +0200
parents 1c891c71cf22
children 69c73023f7a0
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52
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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14
423
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15 from pytouhou.lib.opengl cimport \
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16 (glTexParameteri, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER,
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17 GL_LINEAR, GL_BGRA, GL_RGBA, GL_RGB, GL_LUMINANCE, GL_UNSIGNED_BYTE,
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18 GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_4_4_4_4_REV,
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19 glGenTextures, glBindTexture, glTexImage2D, GL_TEXTURE_2D, GLuint,
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20 glDeleteTextures)
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22 from pytouhou.lib.sdl cimport load_png, create_rgb_surface, Font
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23 from pytouhou.formats.thtx import Texture #TODO: perhaps define that elsewhere?
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24 from pytouhou.game.text cimport NativeText
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26 import os
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29 class TextureId(int):
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30 def __del__(self):
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31 cdef GLuint texture = self
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32 glDeleteTextures(1, &texture)
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33 self.renderer.remove_texture(self)
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35
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36 class TextureManager(object):
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37 def __init__(self, loader=None, renderer=None):
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38 self.loader = loader
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39 self.renderer = renderer
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41
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42 def load(self, anm_list):
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43 for anm in sorted(anm_list, key=lambda x: x[0].first_name.endswith('ascii.png')):
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44 for entry in anm:
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45 if not hasattr(entry, 'texture'):
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46 texture = decode_png(self.loader, entry.first_name, entry.secondary_name)
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47 entry.texture = load_texture(texture)
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48 elif not isinstance(entry.texture, TextureId):
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49 entry.texture = load_texture(entry.texture)
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50 self.renderer.add_texture(entry.texture)
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51 entry.texture.renderer = self.renderer
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52
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53
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54 cdef class FontManager:
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55 cdef Font font
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56 cdef object renderer
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57
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58 def __init__(self, fontname, fontsize=16, renderer=None):
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59 self.font = Font(fontname, fontsize)
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60 self.renderer = renderer
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63 def load(self, label_list):
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64 cdef NativeText label
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65
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66 for label in label_list:
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67 if label.texture is None:
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68 surface = self.font.render(label.text)
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69 label.width, label.height = surface.surface.w, surface.surface.h
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70
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71 if label.align == 'center':
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72 label.x -= label.width // 2
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73 elif label.align == 'right':
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74 label.x -= label.width
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75 else:
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76 assert label.align == 'left'
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77
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78 texture = Texture(label.width, label.height, -4, surface.pixels)
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79 label.texture = load_texture(texture)
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80 label.texture.renderer = self.renderer
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81
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82
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83 cdef decode_png(loader, first_name, secondary_name):
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84 image_file = load_png(loader.get_file(os.path.basename(first_name)))
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85 width, height = image_file.surface.w, image_file.surface.h
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86
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87 # Support only 32 bits RGBA. Paletted surfaces are awful to work with.
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88 #TODO: verify it doesn’t blow up on big-endian systems.
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89 new_image = create_rgb_surface(width, height, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000)
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90 new_image.blit(image_file)
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91
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92 if secondary_name:
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93 alpha_file = load_png(loader.get_file(os.path.basename(secondary_name)))
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94 assert (width == alpha_file.surface.w and height == alpha_file.surface.h)
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96 new_alpha_file = create_rgb_surface(width, height, 24)
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97 new_alpha_file.blit(alpha_file)
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98
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99 new_image.set_alpha(new_alpha_file)
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100
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101 return Texture(width, height, -4, new_image.pixels)
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102
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103
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104 cdef load_texture(thtx):
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105 cdef GLuint texture
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106
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107 if thtx.fmt == 1:
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108 format_ = GL_BGRA
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109 type_ = GL_UNSIGNED_BYTE
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110 composants = GL_RGBA
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111 elif thtx.fmt == 3:
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112 format_ = GL_RGB
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113 type_ = GL_UNSIGNED_SHORT_5_6_5
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114 composants = GL_RGB
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115 elif thtx.fmt == 5:
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116 format_ = GL_BGRA
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117 type_ = GL_UNSIGNED_SHORT_4_4_4_4_REV
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118 composants = GL_RGBA
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119 elif thtx.fmt == 7:
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120 format_ = GL_LUMINANCE
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121 type_ = GL_UNSIGNED_BYTE
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122 composants = GL_LUMINANCE
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123 elif thtx.fmt == -4: #XXX: non-standard
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124 format_ = GL_RGBA
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125 type_ = GL_UNSIGNED_BYTE
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126 composants = GL_RGBA
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127 else:
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128 raise Exception('Unknown texture type')
14
07a7f28c8aaa Minor refactoring
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129
426
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130 glGenTextures(1, &texture)
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131 glBindTexture(GL_TEXTURE_2D, texture)
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132 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
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133 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
16
66ce9bb440ac Refactor in order to support multiple textures
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134
426
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135 glTexImage2D(GL_TEXTURE_2D, 0,
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136 composants,
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137 thtx.width, thtx.height,
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138 0,
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139 format_, type_,
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140 <char*>thtx.data)
393
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
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141
426
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142 return TextureId(texture)