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SDL_pixels.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
28 #ifndef SDL_pixels_h_
29 #define SDL_pixels_h_
30 
31 #include "SDL_stdinc.h"
32 #include "SDL_endian.h"
33 
34 #include "begin_code.h"
35 /* Set up for C function definitions, even when using C++ */
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
45 /* @{ */
46 #define SDL_ALPHA_OPAQUE 255
47 #define SDL_ALPHA_TRANSPARENT 0
48 /* @} */
49 
51 typedef enum
52 {
53  SDL_PIXELTYPE_UNKNOWN,
54  SDL_PIXELTYPE_INDEX1,
55  SDL_PIXELTYPE_INDEX4,
56  SDL_PIXELTYPE_INDEX8,
57  SDL_PIXELTYPE_PACKED8,
58  SDL_PIXELTYPE_PACKED16,
59  SDL_PIXELTYPE_PACKED32,
60  SDL_PIXELTYPE_ARRAYU8,
61  SDL_PIXELTYPE_ARRAYU16,
62  SDL_PIXELTYPE_ARRAYU32,
63  SDL_PIXELTYPE_ARRAYF16,
64  SDL_PIXELTYPE_ARRAYF32
66 
68 typedef enum
69 {
70  SDL_BITMAPORDER_NONE,
71  SDL_BITMAPORDER_4321,
72  SDL_BITMAPORDER_1234
74 
76 typedef enum
77 {
78  SDL_PACKEDORDER_NONE,
79  SDL_PACKEDORDER_XRGB,
80  SDL_PACKEDORDER_RGBX,
81  SDL_PACKEDORDER_ARGB,
82  SDL_PACKEDORDER_RGBA,
83  SDL_PACKEDORDER_XBGR,
84  SDL_PACKEDORDER_BGRX,
85  SDL_PACKEDORDER_ABGR,
86  SDL_PACKEDORDER_BGRA
88 
90 /* !!! FIXME: in 2.1, make these not overlap differently with
91  !!! FIXME: SDL_PACKEDORDER_*, so we can simplify SDL_ISPIXELFORMAT_ALPHA */
92 typedef enum
93 {
94  SDL_ARRAYORDER_NONE,
95  SDL_ARRAYORDER_RGB,
96  SDL_ARRAYORDER_RGBA,
97  SDL_ARRAYORDER_ARGB,
98  SDL_ARRAYORDER_BGR,
99  SDL_ARRAYORDER_BGRA,
100  SDL_ARRAYORDER_ABGR
102 
104 typedef enum
105 {
106  SDL_PACKEDLAYOUT_NONE,
107  SDL_PACKEDLAYOUT_332,
108  SDL_PACKEDLAYOUT_4444,
109  SDL_PACKEDLAYOUT_1555,
110  SDL_PACKEDLAYOUT_5551,
111  SDL_PACKEDLAYOUT_565,
112  SDL_PACKEDLAYOUT_8888,
113  SDL_PACKEDLAYOUT_2101010,
114  SDL_PACKEDLAYOUT_1010102
116 
117 #define SDL_DEFINE_PIXELFOURCC(A, B, C, D) SDL_FOURCC(A, B, C, D)
118 
119 #define SDL_DEFINE_PIXELFORMAT(type, order, layout, bits, bytes) \
120  ((1 << 28) | ((type) << 24) | ((order) << 20) | ((layout) << 16) | \
121  ((bits) << 8) | ((bytes) << 0))
122 
123 #define SDL_PIXELFLAG(X) (((X) >> 28) & 0x0F)
124 #define SDL_PIXELTYPE(X) (((X) >> 24) & 0x0F)
125 #define SDL_PIXELORDER(X) (((X) >> 20) & 0x0F)
126 #define SDL_PIXELLAYOUT(X) (((X) >> 16) & 0x0F)
127 #define SDL_BITSPERPIXEL(X) (((X) >> 8) & 0xFF)
128 #define SDL_BYTESPERPIXEL(X) \
129  (SDL_ISPIXELFORMAT_FOURCC(X) ? \
130  ((((X) == SDL_PIXELFORMAT_YUY2) || \
131  ((X) == SDL_PIXELFORMAT_UYVY) || \
132  ((X) == SDL_PIXELFORMAT_YVYU)) ? 2 : 1) : (((X) >> 0) & 0xFF))
133 
134 #define SDL_ISPIXELFORMAT_INDEXED(format) \
135  (!SDL_ISPIXELFORMAT_FOURCC(format) && \
136  ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \
137  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \
138  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)))
139 
140 #define SDL_ISPIXELFORMAT_PACKED(format) \
141  (!SDL_ISPIXELFORMAT_FOURCC(format) && \
142  ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED8) || \
143  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED16) || \
144  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED32)))
145 
146 #define SDL_ISPIXELFORMAT_ARRAY(format) \
147  (!SDL_ISPIXELFORMAT_FOURCC(format) && \
148  ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU8) || \
149  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU16) || \
150  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU32) || \
151  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF16) || \
152  (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF32)))
153 
154 #define SDL_ISPIXELFORMAT_ALPHA(format) \
155  ((SDL_ISPIXELFORMAT_PACKED(format) && \
156  ((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \
157  (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \
158  (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \
159  (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA))) || \
160  (SDL_ISPIXELFORMAT_ARRAY(format) && \
161  ((SDL_PIXELORDER(format) == SDL_ARRAYORDER_ARGB) || \
162  (SDL_PIXELORDER(format) == SDL_ARRAYORDER_RGBA) || \
163  (SDL_PIXELORDER(format) == SDL_ARRAYORDER_ABGR) || \
164  (SDL_PIXELORDER(format) == SDL_ARRAYORDER_BGRA))))
165 
166 /* The flag is set to 1 because 0x1? is not in the printable ASCII range */
167 #define SDL_ISPIXELFORMAT_FOURCC(format) \
168  ((format) && (SDL_PIXELFLAG(format) != 1))
169 
170 /* Note: If you modify this list, update SDL_GetPixelFormatName() */
171 typedef enum
172 {
173  SDL_PIXELFORMAT_UNKNOWN,
174  SDL_PIXELFORMAT_INDEX1LSB =
175  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_4321, 0,
176  1, 0),
177  SDL_PIXELFORMAT_INDEX1MSB =
178  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_1234, 0,
179  1, 0),
180  SDL_PIXELFORMAT_INDEX4LSB =
181  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_4321, 0,
182  4, 0),
183  SDL_PIXELFORMAT_INDEX4MSB =
184  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_1234, 0,
185  4, 0),
186  SDL_PIXELFORMAT_INDEX8 =
187  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX8, 0, 0, 8, 1),
188  SDL_PIXELFORMAT_RGB332 =
189  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED8, SDL_PACKEDORDER_XRGB,
190  SDL_PACKEDLAYOUT_332, 8, 1),
191  SDL_PIXELFORMAT_XRGB4444 =
192  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB,
193  SDL_PACKEDLAYOUT_4444, 12, 2),
194  SDL_PIXELFORMAT_RGB444 = SDL_PIXELFORMAT_XRGB4444,
195  SDL_PIXELFORMAT_XBGR4444 =
196  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR,
197  SDL_PACKEDLAYOUT_4444, 12, 2),
198  SDL_PIXELFORMAT_BGR444 = SDL_PIXELFORMAT_XBGR4444,
199  SDL_PIXELFORMAT_XRGB1555 =
200  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB,
201  SDL_PACKEDLAYOUT_1555, 15, 2),
202  SDL_PIXELFORMAT_RGB555 = SDL_PIXELFORMAT_XRGB1555,
203  SDL_PIXELFORMAT_XBGR1555 =
204  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR,
205  SDL_PACKEDLAYOUT_1555, 15, 2),
206  SDL_PIXELFORMAT_BGR555 = SDL_PIXELFORMAT_XBGR1555,
207  SDL_PIXELFORMAT_ARGB4444 =
208  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ARGB,
209  SDL_PACKEDLAYOUT_4444, 16, 2),
210  SDL_PIXELFORMAT_RGBA4444 =
211  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_RGBA,
212  SDL_PACKEDLAYOUT_4444, 16, 2),
213  SDL_PIXELFORMAT_ABGR4444 =
214  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ABGR,
215  SDL_PACKEDLAYOUT_4444, 16, 2),
216  SDL_PIXELFORMAT_BGRA4444 =
217  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_BGRA,
218  SDL_PACKEDLAYOUT_4444, 16, 2),
219  SDL_PIXELFORMAT_ARGB1555 =
220  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ARGB,
221  SDL_PACKEDLAYOUT_1555, 16, 2),
222  SDL_PIXELFORMAT_RGBA5551 =
223  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_RGBA,
224  SDL_PACKEDLAYOUT_5551, 16, 2),
225  SDL_PIXELFORMAT_ABGR1555 =
226  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_ABGR,
227  SDL_PACKEDLAYOUT_1555, 16, 2),
228  SDL_PIXELFORMAT_BGRA5551 =
229  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_BGRA,
230  SDL_PACKEDLAYOUT_5551, 16, 2),
231  SDL_PIXELFORMAT_RGB565 =
232  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XRGB,
233  SDL_PACKEDLAYOUT_565, 16, 2),
234  SDL_PIXELFORMAT_BGR565 =
235  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED16, SDL_PACKEDORDER_XBGR,
236  SDL_PACKEDLAYOUT_565, 16, 2),
237  SDL_PIXELFORMAT_RGB24 =
238  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYU8, SDL_ARRAYORDER_RGB, 0,
239  24, 3),
240  SDL_PIXELFORMAT_BGR24 =
241  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYU8, SDL_ARRAYORDER_BGR, 0,
242  24, 3),
243  SDL_PIXELFORMAT_XRGB8888 =
244  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XRGB,
245  SDL_PACKEDLAYOUT_8888, 24, 4),
246  SDL_PIXELFORMAT_RGB888 = SDL_PIXELFORMAT_XRGB8888,
247  SDL_PIXELFORMAT_RGBX8888 =
248  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_RGBX,
249  SDL_PACKEDLAYOUT_8888, 24, 4),
250  SDL_PIXELFORMAT_XBGR8888 =
251  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_XBGR,
252  SDL_PACKEDLAYOUT_8888, 24, 4),
253  SDL_PIXELFORMAT_BGR888 = SDL_PIXELFORMAT_XBGR8888,
254  SDL_PIXELFORMAT_BGRX8888 =
255  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_BGRX,
256  SDL_PACKEDLAYOUT_8888, 24, 4),
257  SDL_PIXELFORMAT_ARGB8888 =
258  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_ARGB,
259  SDL_PACKEDLAYOUT_8888, 32, 4),
260  SDL_PIXELFORMAT_RGBA8888 =
261  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_RGBA,
262  SDL_PACKEDLAYOUT_8888, 32, 4),
263  SDL_PIXELFORMAT_ABGR8888 =
264  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_ABGR,
265  SDL_PACKEDLAYOUT_8888, 32, 4),
266  SDL_PIXELFORMAT_BGRA8888 =
267  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_BGRA,
268  SDL_PACKEDLAYOUT_8888, 32, 4),
269  SDL_PIXELFORMAT_ARGB2101010 =
270  SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_PACKED32, SDL_PACKEDORDER_ARGB,
271  SDL_PACKEDLAYOUT_2101010, 32, 4),
272 
273  /* Aliases for RGBA byte arrays of color data, for the current platform */
274 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
275  SDL_PIXELFORMAT_RGBA32 = SDL_PIXELFORMAT_RGBA8888,
276  SDL_PIXELFORMAT_ARGB32 = SDL_PIXELFORMAT_ARGB8888,
277  SDL_PIXELFORMAT_BGRA32 = SDL_PIXELFORMAT_BGRA8888,
278  SDL_PIXELFORMAT_ABGR32 = SDL_PIXELFORMAT_ABGR8888,
279 #else
280  SDL_PIXELFORMAT_RGBA32 = SDL_PIXELFORMAT_ABGR8888,
281  SDL_PIXELFORMAT_ARGB32 = SDL_PIXELFORMAT_BGRA8888,
282  SDL_PIXELFORMAT_BGRA32 = SDL_PIXELFORMAT_ARGB8888,
283  SDL_PIXELFORMAT_ABGR32 = SDL_PIXELFORMAT_RGBA8888,
284 #endif
285 
287  SDL_DEFINE_PIXELFOURCC('Y', 'V', '1', '2'),
289  SDL_DEFINE_PIXELFOURCC('I', 'Y', 'U', 'V'),
291  SDL_DEFINE_PIXELFOURCC('Y', 'U', 'Y', '2'),
293  SDL_DEFINE_PIXELFOURCC('U', 'Y', 'V', 'Y'),
295  SDL_DEFINE_PIXELFOURCC('Y', 'V', 'Y', 'U'),
297  SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'),
299  SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1'),
301  SDL_DEFINE_PIXELFOURCC('O', 'E', 'S', ' ')
303 
304 typedef struct SDL_Color
305 {
306  Uint8 r;
307  Uint8 g;
308  Uint8 b;
309  Uint8 a;
310 } SDL_Color;
311 #define SDL_Colour SDL_Color
312 
313 typedef struct SDL_Palette
314 {
315  int ncolors;
316  SDL_Color *colors;
317  Uint32 version;
318  int refcount;
319 } SDL_Palette;
320 
324 typedef struct SDL_PixelFormat
325 {
326  Uint32 format;
327  SDL_Palette *palette;
328  Uint8 BitsPerPixel;
329  Uint8 BytesPerPixel;
330  Uint8 padding[2];
331  Uint32 Rmask;
332  Uint32 Gmask;
333  Uint32 Bmask;
334  Uint32 Amask;
335  Uint8 Rloss;
336  Uint8 Gloss;
337  Uint8 Bloss;
338  Uint8 Aloss;
339  Uint8 Rshift;
340  Uint8 Gshift;
341  Uint8 Bshift;
342  Uint8 Ashift;
343  int refcount;
344  struct SDL_PixelFormat *next;
346 
350 extern DECLSPEC const char* SDLCALL SDL_GetPixelFormatName(Uint32 format);
351 
359 extern DECLSPEC SDL_bool SDLCALL SDL_PixelFormatEnumToMasks(Uint32 format,
360  int *bpp,
361  Uint32 * Rmask,
362  Uint32 * Gmask,
363  Uint32 * Bmask,
364  Uint32 * Amask);
365 
374 extern DECLSPEC Uint32 SDLCALL SDL_MasksToPixelFormatEnum(int bpp,
375  Uint32 Rmask,
376  Uint32 Gmask,
377  Uint32 Bmask,
378  Uint32 Amask);
379 
383 extern DECLSPEC SDL_PixelFormat * SDLCALL SDL_AllocFormat(Uint32 pixel_format);
384 
388 extern DECLSPEC void SDLCALL SDL_FreeFormat(SDL_PixelFormat *format);
389 
400 extern DECLSPEC SDL_Palette *SDLCALL SDL_AllocPalette(int ncolors);
401 
405 extern DECLSPEC int SDLCALL SDL_SetPixelFormatPalette(SDL_PixelFormat * format,
406  SDL_Palette *palette);
407 
418 extern DECLSPEC int SDLCALL SDL_SetPaletteColors(SDL_Palette * palette,
419  const SDL_Color * colors,
420  int firstcolor, int ncolors);
421 
427 extern DECLSPEC void SDLCALL SDL_FreePalette(SDL_Palette * palette);
428 
434 extern DECLSPEC Uint32 SDLCALL SDL_MapRGB(const SDL_PixelFormat * format,
435  Uint8 r, Uint8 g, Uint8 b);
436 
442 extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(const SDL_PixelFormat * format,
443  Uint8 r, Uint8 g, Uint8 b,
444  Uint8 a);
445 
451 extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel,
452  const SDL_PixelFormat * format,
453  Uint8 * r, Uint8 * g, Uint8 * b);
454 
460 extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel,
461  const SDL_PixelFormat * format,
462  Uint8 * r, Uint8 * g, Uint8 * b,
463  Uint8 * a);
464 
468 extern DECLSPEC void SDLCALL SDL_CalculateGammaRamp(float gamma, Uint16 * ramp);
469 
470 
471 /* Ends C function definitions when using C++ */
472 #ifdef __cplusplus
473 }
474 #endif
475 #include "close_code.h"
476 
477 #endif /* SDL_pixels_h_ */
478 
479 /* vi: set ts=4 sw=4 expandtab: */
DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, const SDL_PixelFormat *format, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a)
Get the RGBA components from a pixel of the specified format.
struct SDL_PixelFormat SDL_PixelFormat
DECLSPEC Uint32 SDLCALL SDL_MapRGB(const SDL_PixelFormat *format, Uint8 r, Uint8 g, Uint8 b)
Maps an RGB triple to an opaque pixel value for a given pixel format.
DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, const SDL_PixelFormat *format, Uint8 *r, Uint8 *g, Uint8 *b)
Get the RGB components from a pixel of the specified format.
DECLSPEC void SDLCALL SDL_FreePalette(SDL_Palette *palette)
Free a palette created with SDL_AllocPalette().
SDL_PixelType
Definition: SDL_pixels.h:52
DECLSPEC int SDLCALL SDL_SetPaletteColors(SDL_Palette *palette, const SDL_Color *colors, int firstcolor, int ncolors)
Set a range of colors in a palette.
SDL_PackedLayout
Definition: SDL_pixels.h:105
SDL_BitmapOrder
Definition: SDL_pixels.h:69
DECLSPEC Uint32 SDLCALL SDL_MasksToPixelFormatEnum(int bpp, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
Convert a bpp and RGBA masks to an enumerated pixel format.
DECLSPEC void SDLCALL SDL_FreeFormat(SDL_PixelFormat *format)
Free an SDL_PixelFormat structure.
DECLSPEC void SDLCALL SDL_CalculateGammaRamp(float gamma, Uint16 *ramp)
Calculate a 256 entry gamma ramp for a gamma value.
SDL_ArrayOrder
Definition: SDL_pixels.h:93
DECLSPEC Uint32 SDLCALL SDL_MapRGBA(const SDL_PixelFormat *format, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
Maps an RGBA quadruple to a pixel value for a given pixel format.
SDL_PixelFormatEnum
Definition: SDL_pixels.h:172
@ SDL_PIXELFORMAT_EXTERNAL_OES
Definition: SDL_pixels.h:300
@ SDL_PIXELFORMAT_YVYU
Definition: SDL_pixels.h:294
@ SDL_PIXELFORMAT_UYVY
Definition: SDL_pixels.h:292
@ SDL_PIXELFORMAT_YV12
Definition: SDL_pixels.h:286
@ SDL_PIXELFORMAT_YUY2
Definition: SDL_pixels.h:290
@ SDL_PIXELFORMAT_NV12
Definition: SDL_pixels.h:296
@ SDL_PIXELFORMAT_NV21
Definition: SDL_pixels.h:298
@ SDL_PIXELFORMAT_IYUV
Definition: SDL_pixels.h:288
DECLSPEC SDL_PixelFormat *SDLCALL SDL_AllocFormat(Uint32 pixel_format)
Create an SDL_PixelFormat structure from a pixel format enum.
DECLSPEC SDL_Palette *SDLCALL SDL_AllocPalette(int ncolors)
Create a palette structure with the specified number of color entries.
DECLSPEC SDL_bool SDLCALL SDL_PixelFormatEnumToMasks(Uint32 format, int *bpp, Uint32 *Rmask, Uint32 *Gmask, Uint32 *Bmask, Uint32 *Amask)
Convert one of the enumerated pixel formats to a bpp and RGBA masks.
SDL_PackedOrder
Definition: SDL_pixels.h:77
DECLSPEC const char *SDLCALL SDL_GetPixelFormatName(Uint32 format)
Get the human readable name of a pixel format.
DECLSPEC int SDLCALL SDL_SetPixelFormatPalette(SDL_PixelFormat *format, SDL_Palette *palette)
Set the palette for a pixel format structure.
Definition: SDL_pixels.h:305
Definition: SDL_pixels.h:314
Definition: SDL_pixels.h:325