Mercurial > touhou

annotate pytouhou/ui/texture.pyx @ 414:b0b8825296d0

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Follow the PEP-0394 guidelines, migrating from python to python2.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 22 Jun 2013 23:16:03 +0200
parents 9e2cbb2c2c64
children 3a7b36324611
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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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14
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15 from libc.stdlib cimport malloc, free
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17 import pyglet
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18 from pyglet.gl import (glTexParameteri, GL_TEXTURE_MIN_FILTER,
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19 GL_TEXTURE_MAG_FILTER, GL_LINEAR, GL_BGRA, GL_RGBA,
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20 GL_RGB, GL_LUMINANCE, GL_UNSIGNED_BYTE,
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21 GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_4_4_4_4_REV,
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22 glGenTextures, glBindTexture, glTexImage2D,
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23 GL_TEXTURE_2D)
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24 from ctypes import c_uint, byref
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25 import os
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27 from pytouhou.formats.thtx import Texture #TODO: perhaps define that elsewhere?
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30 cdef class TextureManager:
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31 def __init__(self, loader=None):
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32 self.loader = loader
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33 self.textures = {}
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36 def __getitem__(self, key):
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37 if not key in self.textures:
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38 self.textures[key] = self.load_texture(key)
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39 return self.textures[key]
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fc0294c745b6 Basic bullet handling! Clean up as soon as possible :p
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42 def preload(self, anm_wrapper):
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43 for anm in anm_wrapper:
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44 anm.texture = self.load_png_texture(anm.first_name, anm.secondary_name)
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47 def load_png_texture(self, first_name, secondary_name):
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48 cdef char *image, *alpha, *new_data
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49 cdef unsigned int i, width, height, pixels
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51 image_file = pyglet.image.load(first_name, file=self.loader.get_file(os.path.basename(first_name)))
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52 width, height = image_file.width, image_file.height
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53 image_data = image_file.get_data('RGB', width * 3)
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55 if secondary_name:
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56 alpha_file = pyglet.image.load(secondary_name, file=self.loader.get_file(os.path.basename(secondary_name)))
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57 assert (image_file.width, image_file.height) == (alpha_file.width, image_file.height)
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59 pixels = width * height
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60
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61 alpha_data = alpha_file.get_data('RGB', width * 3)
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62 image = <char *>image_data
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63 alpha = <char *>alpha_data
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65 # TODO: further optimizations
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66 new_data = <char *>malloc(pixels * 4)
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67 for i in range(pixels):
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68 new_data[i*4] = image[i*3]
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69 new_data[i*4+1] = image[i*3+1]
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70 new_data[i*4+2] = image[i*3+2]
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71 new_data[i*4+3] = alpha[i*3]
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72 data = new_data[:(pixels * 4)]
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73 free(new_data)
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74 return Texture(width, height, -4, data)
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76 return Texture(width, height, -3, image_data)
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79 def load_texture(self, key):
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80 if not isinstance(key, Texture):
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81 first_name, secondary_name = key
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82 key = self.load_png_texture(first_name, secondary_name)
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83
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84 if key.fmt == 1:
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85 format_ = GL_BGRA
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86 type_ = GL_UNSIGNED_BYTE
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87 composants = GL_RGBA
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88 elif key.fmt == 3:
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89 format_ = GL_RGB
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90 type_ = GL_UNSIGNED_SHORT_5_6_5
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91 composants = GL_RGB
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92 elif key.fmt == 5:
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93 format_ = GL_BGRA
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94 type_ = GL_UNSIGNED_SHORT_4_4_4_4_REV
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95 composants = GL_RGBA
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96 elif key.fmt == 7:
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97 format_ = GL_LUMINANCE
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98 type_ = GL_UNSIGNED_BYTE
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99 composants = GL_LUMINANCE
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100 elif key.fmt == -3: #XXX: non-standard, remove it!
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101 format_ = GL_RGB
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102 type_ = GL_UNSIGNED_BYTE
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103 composants = GL_RGB
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104 elif key.fmt == -4: #XXX: non-standard
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105 format_ = GL_RGBA
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106 type_ = GL_UNSIGNED_BYTE
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107 composants = GL_RGBA
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108 else:
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109 raise Exception('Unknown texture type')
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110
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111 id_ = c_uint()
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112 glGenTextures(1, byref(id_))
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113 glBindTexture(GL_TEXTURE_2D, id_.value)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
114 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
115 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
16
66ce9bb440ac Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents: 15
diff changeset
116
393
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
117 glTexImage2D(GL_TEXTURE_2D, 0,
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
118 composants,
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
119 key.width, key.height,
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
120 0,
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
121 format_, type_,
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
122 key.data)
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
123
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 392
diff changeset
124 return id_.value