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comparison pytouhou/lib/sdl.pyx @ 420:3a7b36324611

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Replace Pyglet’s image loader with our SDL2_image-based one.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 16 Jul 2013 21:07:15 +0200
parents 1c92721f8e49
children b1248bab2d0f
comparison
equal deleted inserted replaced
419:1c92721f8e49 420:3a7b36324611
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details. 12 ## GNU General Public License for more details.
13 ## 13 ##
14 14
15 INIT_VIDEO = SDL_INIT_VIDEO 15 INIT_VIDEO = SDL_INIT_VIDEO
16 INIT_PNG = IMG_INIT_PNG
16 17
17 GL_CONTEXT_MAJOR_VERSION = SDL_GL_CONTEXT_MAJOR_VERSION 18 GL_CONTEXT_MAJOR_VERSION = SDL_GL_CONTEXT_MAJOR_VERSION
18 GL_CONTEXT_MINOR_VERSION = SDL_GL_CONTEXT_MINOR_VERSION 19 GL_CONTEXT_MINOR_VERSION = SDL_GL_CONTEXT_MINOR_VERSION
19 GL_DOUBLEBUFFER = SDL_GL_DOUBLEBUFFER 20 GL_DOUBLEBUFFER = SDL_GL_DOUBLEBUFFER
20 GL_DEPTH_SIZE = SDL_GL_DEPTH_SIZE 21 GL_DEPTH_SIZE = SDL_GL_DEPTH_SIZE
61 62
62 def gl_delete_context(self): 63 def gl_delete_context(self):
63 SDL_GL_DeleteContext(self.context) 64 SDL_GL_DeleteContext(self.context)
64 65
65 66
67 cdef class Surface:
68 cdef SDL_Surface *surface
69
70 def __dealloc__(self):
71 if self.surface != NULL:
72 SDL_FreeSurface(self.surface)
73
74 property width:
75 def __get__(self):
76 return self.surface.w
77
78 property height:
79 def __get__(self):
80 return self.surface.h
81
82 property pixels:
83 def __get__(self):
84 return bytes(self.surface.pixels[:self.surface.w * self.surface.h * 4])
85
86 def blit(self, Surface other):
87 if SDL_BlitSurface(other.surface, NULL, self.surface, NULL) < 0:
88 raise SDLError(SDL_GetError())
89
90 def set_alpha(self, Surface alpha_surface):
91 nb_pixels = self.surface.w * self.surface.h
92 image = self.surface.pixels
93 alpha = alpha_surface.surface.pixels
94
95 for i in xrange(nb_pixels):
96 # Only use the red value, assume the others are equal.
97 image[3+4*i] = alpha[3*i]
98
99
66 def init(Uint32 flags): 100 def init(Uint32 flags):
67 if SDL_Init(flags) < 0: 101 if SDL_Init(flags) < 0:
68 raise SDLError(SDL_GetError()) 102 raise SDLError(SDL_GetError())
69 103
70 104
105 def img_init(Uint32 flags):
106 if IMG_Init(flags) != flags:
107 raise SDLError(SDL_GetError())
108
109
71 def quit(): 110 def quit():
72 SDL_Quit() 111 SDL_Quit()
112
113
114 def img_quit():
115 IMG_Quit()
73 116
74 117
75 def gl_set_attribute(SDL_GLattr attr, int value): 118 def gl_set_attribute(SDL_GLattr attr, int value):
76 if SDL_GL_SetAttribute(attr, value) < 0: 119 if SDL_GL_SetAttribute(attr, value) < 0:
77 raise SDLError(SDL_GetError()) 120 raise SDLError(SDL_GetError())
94 cdef const Uint8 *state 137 cdef const Uint8 *state
95 state = SDL_GetKeyboardState(&numkeys) 138 state = SDL_GetKeyboardState(&numkeys)
96 return tuple([k is not False for k in state[:numkeys]]) 139 return tuple([k is not False for k in state[:numkeys]])
97 140
98 141
142 def load_png(file_):
143 data = file_.read()
144 rwops = SDL_RWFromConstMem(<char*>data, len(data))
145 surface = Surface()
146 surface.surface = IMG_LoadPNG_RW(rwops)
147 SDL_RWclose(rwops)
148 if surface.surface == NULL:
149 raise SDLError(SDL_GetError())
150 return surface
151
152
153 def create_rgb_surface(int width, int height, int depth, Uint32 rmask=0, Uint32 gmask=0, Uint32 bmask=0, Uint32 amask=0):
154 surface = Surface()
155 surface.surface = SDL_CreateRGBSurface(0, width, height, depth, rmask, gmask, bmask, amask)
156 if surface.surface == NULL:
157 raise SDLError(SDL_GetError())
158 return surface
159
160
99 def get_ticks(): 161 def get_ticks():
100 return SDL_GetTicks() 162 return SDL_GetTicks()
101 163
102 164
103 def delay(Uint32 ms): 165 def delay(Uint32 ms):