annotate pytouhou/lib/sdl.pyx @ 464:36bc577b2392

Make the window resizable, and scale its content correctly.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 11 Sep 2013 15:55:19 +0200
parents ec327e58b477
children 2276229282fd
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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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 GL_CONTEXT_MAJOR_VERSION = SDL_GL_CONTEXT_MAJOR_VERSION
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16 GL_CONTEXT_MINOR_VERSION = SDL_GL_CONTEXT_MINOR_VERSION
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17 GL_DOUBLEBUFFER = SDL_GL_DOUBLEBUFFER
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18 GL_DEPTH_SIZE = SDL_GL_DEPTH_SIZE
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19
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20 WINDOWPOS_CENTERED = SDL_WINDOWPOS_CENTERED
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21 WINDOW_OPENGL = SDL_WINDOW_OPENGL
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22 WINDOW_SHOWN = SDL_WINDOW_SHOWN
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23 WINDOW_RESIZABLE = SDL_WINDOW_RESIZABLE
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24
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25 SCANCODE_Z = SDL_SCANCODE_Z
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26 SCANCODE_X = SDL_SCANCODE_X
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27 SCANCODE_LSHIFT = SDL_SCANCODE_LSHIFT
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28 SCANCODE_UP = SDL_SCANCODE_UP
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29 SCANCODE_DOWN = SDL_SCANCODE_DOWN
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30 SCANCODE_LEFT = SDL_SCANCODE_LEFT
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31 SCANCODE_RIGHT = SDL_SCANCODE_RIGHT
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32 SCANCODE_LCTRL = SDL_SCANCODE_LCTRL
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33 SCANCODE_ESCAPE = SDL_SCANCODE_ESCAPE
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34
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35 WINDOWEVENT_RESIZED = SDL_WINDOWEVENT_RESIZED
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36
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37 KEYDOWN = SDL_KEYDOWN
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38 QUIT = SDL_QUIT
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39 WINDOWEVENT = SDL_WINDOWEVENT
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41
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42 class SDLError(Exception):
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43 pass
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45
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46 class SDL(object):
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47 def __init__(self, sound=True):
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48 self.sound = sound
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49
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50 def __enter__(self):
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51 IF UNAME_SYSNAME == "Windows":
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52 SDL_SetMainReady()
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53 init(SDL_INIT_VIDEO)
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54 img_init(IMG_INIT_PNG)
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55 ttf_init()
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56
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57 if self.sound:
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58 mix_init(0)
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59 mix_open_audio(44100, MIX_DEFAULT_FORMAT, 2, 4096)
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60 mix_allocate_channels(MAX_CHANNELS) #TODO: make it dependent on the SFX number.
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61
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62 def __exit__(self, *args):
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63 if self.sound:
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64 Mix_CloseAudio()
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65 Mix_Quit()
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66
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67 TTF_Quit()
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68 IMG_Quit()
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69 SDL_Quit()
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70
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71
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72 cdef class Window:
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73 def __init__(self, const char *title, int x, int y, int w, int h, Uint32 flags):
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74 self.window = SDL_CreateWindow(title, x, y, w, h, flags)
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75 if self.window == NULL:
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76 raise SDLError(SDL_GetError())
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77
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78 def __dealloc__(self):
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79 if self.context != NULL:
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80 SDL_GL_DeleteContext(self.context)
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81 if self.window != NULL:
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82 SDL_DestroyWindow(self.window)
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83
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84 cdef void gl_create_context(self) except *:
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85 self.context = SDL_GL_CreateContext(self.window)
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86 if self.context == NULL:
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87 raise SDLError(SDL_GetError())
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89 cdef void gl_swap_window(self) nogil:
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90 SDL_GL_SwapWindow(self.window)
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92 cdef void set_window_size(self, int width, int height) nogil:
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93 SDL_SetWindowSize(self.window, width, height)
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94
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95
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96 cdef class Surface:
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97 def __dealloc__(self):
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98 if self.surface != NULL:
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99 SDL_FreeSurface(self.surface)
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100
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101 property pixels:
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102 def __get__(self):
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103 return bytes(self.surface.pixels[:self.surface.w * self.surface.h * 4])
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104
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105 cdef void blit(self, Surface other):
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106 if SDL_BlitSurface(other.surface, NULL, self.surface, NULL) < 0:
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107 raise SDLError(SDL_GetError())
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108
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109 cdef void set_alpha(self, Surface alpha_surface) nogil:
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110 nb_pixels = self.surface.w * self.surface.h
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111 image = self.surface.pixels
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112 alpha = alpha_surface.surface.pixels
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113
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114 for i in xrange(nb_pixels):
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115 # Only use the red value, assume the others are equal.
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116 image[3+4*i] = alpha[3*i]
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117
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118
421
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119 cdef class Music:
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120 def __dealloc__(self):
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121 if self.music != NULL:
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122 Mix_FreeMusic(self.music)
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123
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124 cdef void play(self, int loops) nogil:
421
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125 Mix_PlayMusic(self.music, loops)
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126
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127 cdef void set_loop_points(self, double start, double end) nogil:
421
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128 #Mix_SetLoopPoints(self.music, start, end)
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129 pass
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130
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131
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132 cdef class Chunk:
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133 def __dealloc__(self):
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134 if self.chunk != NULL:
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135 Mix_FreeChunk(self.chunk)
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136
455
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137 cdef void play(self, int channel, int loops) nogil:
421
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138 Mix_PlayChannel(channel, self.chunk, loops)
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139
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140 cdef void set_volume(self, float volume) nogil:
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141 Mix_VolumeChunk(self.chunk, int(volume * 128))
421
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142
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143
456
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144 cdef class Font:
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145 def __init__(self, const char *filename, int ptsize):
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146 self.font = TTF_OpenFont(filename, ptsize)
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147 if self.font == NULL:
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148 raise SDLError(SDL_GetError())
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149
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150 def __dealloc__(self):
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151 if self.font != NULL:
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152 TTF_CloseFont(self.font)
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153
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154 cdef Surface render(self, unicode text):
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155 cdef SDL_Color white
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156 white = SDL_Color(255, 255, 255, 255)
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157 surface = Surface()
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158 string = text.encode('utf-8')
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159 surface.surface = TTF_RenderUTF8_Blended(self.font, string, white)
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160 if surface.surface == NULL:
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diff changeset
161 raise SDLError(SDL_GetError())
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162 return surface
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163
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164
455
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165 cdef void init(Uint32 flags) except *:
418
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166 if SDL_Init(flags) < 0:
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167 raise SDLError(SDL_GetError())
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168
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169
455
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170 cdef void img_init(Uint32 flags) except *:
420
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171 if IMG_Init(flags) != flags:
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diff changeset
172 raise SDLError(SDL_GetError())
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173
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174
455
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175 cdef void mix_init(int flags) except *:
421
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176 if Mix_Init(flags) != flags:
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177 raise SDLError(SDL_GetError())
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178
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179
456
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180 cdef void ttf_init() except *:
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181 if TTF_Init() < 0:
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182 raise SDLError(SDL_GetError())
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183
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184
455
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185 cdef void quit() nogil:
418
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186 SDL_Quit()
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187
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188
455
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189 cdef void img_quit() nogil:
420
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diff changeset
190 IMG_Quit()
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191
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192
455
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193 cdef void mix_quit() nogil:
421
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194 Mix_Quit()
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195
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196
456
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197 cdef void ttf_quit() nogil:
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198 TTF_Quit()
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199
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200
455
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diff changeset
201 cdef void gl_set_attribute(SDL_GLattr attr, int value) except *:
418
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202 if SDL_GL_SetAttribute(attr, value) < 0:
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203 raise SDLError(SDL_GetError())
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204
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205
455
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diff changeset
206 cdef list poll_events():
418
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207 cdef SDL_Event event
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208 ret = []
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209 while SDL_PollEvent(&event):
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210 if event.type == SDL_KEYDOWN:
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211 ret.append((event.type, event.key.keysym.scancode))
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212 elif event.type == SDL_QUIT:
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213 ret.append((event.type,))
464
36bc577b2392 Make the window resizable, and scale its content correctly.
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parents: 460
diff changeset
214 elif event.type == SDL_WINDOWEVENT:
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diff changeset
215 ret.append((event.type, event.window.event, event.window.data1, event.window.data2))
418
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216 return ret
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217
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218
455
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diff changeset
219 cdef const Uint8* get_keyboard_state() nogil:
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diff changeset
220 return SDL_GetKeyboardState(NULL)
419
1c92721f8e49 Re-implement frame control
Thibaut Girka <thib@sitedethib.com>
parents: 418
diff changeset
221
1c92721f8e49 Re-implement frame control
Thibaut Girka <thib@sitedethib.com>
parents: 418
diff changeset
222
455
6864a38b2413 Make pytouhou.lib.sdl cimportable, and convert pytouhou.ui.window.* to extension types.
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diff changeset
223 cdef Surface load_png(file_):
420
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diff changeset
224 data = file_.read()
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diff changeset
225 rwops = SDL_RWFromConstMem(<char*>data, len(data))
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diff changeset
226 surface = Surface()
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diff changeset
227 surface.surface = IMG_LoadPNG_RW(rwops)
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diff changeset
228 SDL_RWclose(rwops)
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diff changeset
229 if surface.surface == NULL:
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230 raise SDLError(SDL_GetError())
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231 return surface
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232
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233
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234 cdef Surface create_rgb_surface(int width, int height, int depth, Uint32 rmask=0, Uint32 gmask=0, Uint32 bmask=0, Uint32 amask=0):
420
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235 surface = Surface()
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236 surface.surface = SDL_CreateRGBSurface(0, width, height, depth, rmask, gmask, bmask, amask)
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237 if surface.surface == NULL:
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238 raise SDLError(SDL_GetError())
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239 return surface
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240
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241
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242 cdef void mix_open_audio(int frequency, Uint16 format_, int channels, int chunksize) except *:
421
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243 if Mix_OpenAudio(frequency, format_, channels, chunksize) < 0:
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244 raise SDLError(SDL_GetError())
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245
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246
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247 cdef void mix_allocate_channels(int numchans) except *:
421
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248 if Mix_AllocateChannels(numchans) != numchans:
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249 raise SDLError(SDL_GetError())
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250
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251
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252 cdef int mix_volume(int channel, float volume) nogil:
421
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253 return Mix_Volume(channel, int(volume * 128))
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254
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255
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256 cdef int mix_volume_music(float volume) nogil:
421
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257 return Mix_VolumeMusic(int(volume * 128))
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258
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259
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260 cdef Music load_music(const char *filename):
421
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261 music = Music()
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262 music.music = Mix_LoadMUS(filename)
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263 if music.music == NULL:
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264 raise SDLError(SDL_GetError())
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265 return music
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266
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267
455
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diff changeset
268 cdef Chunk load_chunk(file_):
421
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269 cdef SDL_RWops *rwops
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270 chunk = Chunk()
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parents: 420
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271 data = file_.read()
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272 rwops = SDL_RWFromConstMem(<char*>data, len(data))
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273 chunk.chunk = Mix_LoadWAV_RW(rwops, 1)
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parents: 420
diff changeset
274 if chunk.chunk == NULL:
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parents: 420
diff changeset
275 raise SDLError(SDL_GetError())
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parents: 420
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276 return chunk
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parents: 420
diff changeset
277
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diff changeset
278
455
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diff changeset
279 cdef Uint32 get_ticks() nogil:
419
1c92721f8e49 Re-implement frame control
Thibaut Girka <thib@sitedethib.com>
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diff changeset
280 return SDL_GetTicks()
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Thibaut Girka <thib@sitedethib.com>
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diff changeset
281
1c92721f8e49 Re-implement frame control
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diff changeset
282
455
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diff changeset
283 cdef void delay(Uint32 ms) nogil:
419
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diff changeset
284 SDL_Delay(ms)