SDL  2.0
SDL_surface.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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 
22 /**
23  * \file SDL_surface.h
24  *
25  * Header file for ::SDL_Surface definition and management functions.
26  */
27 
28 #ifndef SDL_surface_h_
29 #define SDL_surface_h_
30 
31 #include "SDL_stdinc.h"
32 #include "SDL_pixels.h"
33 #include "SDL_rect.h"
34 #include "SDL_blendmode.h"
35 #include "SDL_rwops.h"
36 
37 #include "begin_code.h"
38 /* Set up for C function definitions, even when using C++ */
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /**
44  * \name Surface flags
45  *
46  * These are the currently supported flags for the ::SDL_Surface.
47  *
48  * \internal
49  * Used internally (read-only).
50  */
51 /* @{ */
52 #define SDL_SWSURFACE 0 /**< Just here for compatibility */
53 #define SDL_PREALLOC 0x00000001 /**< Surface uses preallocated memory */
54 #define SDL_RLEACCEL 0x00000002 /**< Surface is RLE encoded */
55 #define SDL_DONTFREE 0x00000004 /**< Surface is referenced internally */
56 /* @} *//* Surface flags */
57 
58 /**
59  * Evaluates to true if the surface needs to be locked before access.
60  */
61 #define SDL_MUSTLOCK(S) (((S)->flags & SDL_RLEACCEL) != 0)
62 
63 /**
64  * \brief A collection of pixels used in software blitting.
65  *
66  * \note This structure should be treated as read-only, except for \c pixels,
67  * which, if not NULL, contains the raw pixel data for the surface.
68  */
69 typedef struct SDL_Surface
70 {
71  Uint32 flags; /**< Read-only */
72  SDL_PixelFormat *format; /**< Read-only */
73  int w, h; /**< Read-only */
74  int pitch; /**< Read-only */
75  void *pixels; /**< Read-write */
76 
77  /** Application data associated with the surface */
78  void *userdata; /**< Read-write */
79 
80  /** information needed for surfaces requiring locks */
81  int locked; /**< Read-only */
82  void *lock_data; /**< Read-only */
83 
84  /** clipping information */
85  SDL_Rect clip_rect; /**< Read-only */
86 
87  /** info for fast blit mapping to other surfaces */
88  struct SDL_BlitMap *map; /**< Private */
89 
90  /** Reference count -- used when freeing surface */
91  int refcount; /**< Read-mostly */
92 } SDL_Surface;
93 
94 /**
95  * \brief The type of function used for surface blitting functions.
96  */
97 typedef int (SDLCALL *SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
98  struct SDL_Surface * dst, SDL_Rect * dstrect);
99 
100 /**
101  * \brief The formula used for converting between YUV and RGB
102  */
103 typedef enum
104 {
105  SDL_YUV_CONVERSION_JPEG, /**< Full range JPEG */
106  SDL_YUV_CONVERSION_BT601, /**< BT.601 (the default) */
107  SDL_YUV_CONVERSION_BT709, /**< BT.709 */
108  SDL_YUV_CONVERSION_AUTOMATIC /**< BT.601 for SD content, BT.709 for HD content */
110 
111 /**
112  * Allocate and free an RGB surface.
113  *
114  * If the depth is 4 or 8 bits, an empty palette is allocated for the surface.
115  * If the depth is greater than 8 bits, the pixel format is set using the
116  * flags '[RGB]mask'.
117  *
118  * If the function runs out of memory, it will return NULL.
119  *
120  * \param flags The \c flags are obsolete and should be set to 0.
121  * \param width The width in pixels of the surface to create.
122  * \param height The height in pixels of the surface to create.
123  * \param depth The depth in bits of the surface to create.
124  * \param Rmask The red mask of the surface to create.
125  * \param Gmask The green mask of the surface to create.
126  * \param Bmask The blue mask of the surface to create.
127  * \param Amask The alpha mask of the surface to create.
128  */
130  (Uint32 flags, int width, int height, int depth,
131  Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
132 
133 /* !!! FIXME for 2.1: why does this ask for depth? Format provides that. */
135  (Uint32 flags, int width, int height, int depth, Uint32 format);
136 
138  int width,
139  int height,
140  int depth,
141  int pitch,
142  Uint32 Rmask,
143  Uint32 Gmask,
144  Uint32 Bmask,
145  Uint32 Amask);
147  (void *pixels, int width, int height, int depth, int pitch, Uint32 format);
149 
150 /**
151  * \brief Set the palette used by a surface.
152  *
153  * \return 0, or -1 if the surface format doesn't use a palette.
154  *
155  * \note A single palette can be shared with many surfaces.
156  */
158  SDL_Palette * palette);
159 
160 /**
161  * \brief Sets up a surface for directly accessing the pixels.
162  *
163  * Between calls to SDL_LockSurface() / SDL_UnlockSurface(), you can write
164  * to and read from \c surface->pixels, using the pixel format stored in
165  * \c surface->format. Once you are done accessing the surface, you should
166  * use SDL_UnlockSurface() to release it.
167  *
168  * Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates
169  * to 0, then you can read and write to the surface at any time, and the
170  * pixel format of the surface will not change.
171  *
172  * No operating system or library calls should be made between lock/unlock
173  * pairs, as critical system locks may be held during this time.
174  *
175  * SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked.
176  *
177  * \sa SDL_UnlockSurface()
178  */
180 /** \sa SDL_LockSurface() */
182 
183 /**
184  * Load a surface from a seekable SDL data stream (memory or file).
185  *
186  * If \c freesrc is non-zero, the stream will be closed after being read.
187  *
188  * The new surface should be freed with SDL_FreeSurface().
189  *
190  * \return the new surface, or NULL if there was an error.
191  */
193  int freesrc);
194 
195 /**
196  * Load a surface from a file.
197  *
198  * Convenience macro.
199  */
200 #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1)
201 
202 /**
203  * Save a surface to a seekable SDL data stream (memory or file).
204  *
205  * Surfaces with a 24-bit, 32-bit and paletted 8-bit format get saved in the
206  * BMP directly. Other RGB formats with 8-bit or higher get converted to a
207  * 24-bit surface or, if they have an alpha mask or a colorkey, to a 32-bit
208  * surface before they are saved. YUV and paletted 1-bit and 4-bit formats are
209  * not supported.
210  *
211  * If \c freedst is non-zero, the stream will be closed after being written.
212  *
213  * \return 0 if successful or -1 if there was an error.
214  */
216  (SDL_Surface * surface, SDL_RWops * dst, int freedst);
217 
218 /**
219  * Save a surface to a file.
220  *
221  * Convenience macro.
222  */
223 #define SDL_SaveBMP(surface, file) \
224  SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1)
225 
226 /**
227  * \brief Sets the RLE acceleration hint for a surface.
228  *
229  * \return 0 on success, or -1 if the surface is not valid
230  *
231  * \note If RLE is enabled, colorkey and alpha blending blits are much faster,
232  * but the surface must be locked before directly accessing the pixels.
233  */
235  int flag);
236 
237 /**
238  * \brief Sets the color key (transparent pixel) in a blittable surface.
239  *
240  * \param surface The surface to update
241  * \param flag Non-zero to enable colorkey and 0 to disable colorkey
242  * \param key The transparent pixel in the native surface format
243  *
244  * \return 0 on success, or -1 if the surface is not valid
245  *
246  * You can pass SDL_RLEACCEL to enable RLE accelerated blits.
247  */
249  int flag, Uint32 key);
250 
251 /**
252  * \brief Gets the color key (transparent pixel) in a blittable surface.
253  *
254  * \param surface The surface to update
255  * \param key A pointer filled in with the transparent pixel in the native
256  * surface format
257  *
258  * \return 0 on success, or -1 if the surface is not valid or colorkey is not
259  * enabled.
260  */
262  Uint32 * key);
263 
264 /**
265  * \brief Set an additional color value used in blit operations.
266  *
267  * \param surface The surface to update.
268  * \param r The red color value multiplied into blit operations.
269  * \param g The green color value multiplied into blit operations.
270  * \param b The blue color value multiplied into blit operations.
271  *
272  * \return 0 on success, or -1 if the surface is not valid.
273  *
274  * \sa SDL_GetSurfaceColorMod()
275  */
277  Uint8 r, Uint8 g, Uint8 b);
278 
279 
280 /**
281  * \brief Get the additional color value used in blit operations.
282  *
283  * \param surface The surface to query.
284  * \param r A pointer filled in with the current red color value.
285  * \param g A pointer filled in with the current green color value.
286  * \param b A pointer filled in with the current blue color value.
287  *
288  * \return 0 on success, or -1 if the surface is not valid.
289  *
290  * \sa SDL_SetSurfaceColorMod()
291  */
293  Uint8 * r, Uint8 * g,
294  Uint8 * b);
295 
296 /**
297  * \brief Set an additional alpha value used in blit operations.
298  *
299  * \param surface The surface to update.
300  * \param alpha The alpha value multiplied into blit operations.
301  *
302  * \return 0 on success, or -1 if the surface is not valid.
303  *
304  * \sa SDL_GetSurfaceAlphaMod()
305  */
307  Uint8 alpha);
308 
309 /**
310  * \brief Get the additional alpha value used in blit operations.
311  *
312  * \param surface The surface to query.
313  * \param alpha A pointer filled in with the current alpha value.
314  *
315  * \return 0 on success, or -1 if the surface is not valid.
316  *
317  * \sa SDL_SetSurfaceAlphaMod()
318  */
320  Uint8 * alpha);
321 
322 /**
323  * \brief Set the blend mode used for blit operations.
324  *
325  * \param surface The surface to update.
326  * \param blendMode ::SDL_BlendMode to use for blit blending.
327  *
328  * \return 0 on success, or -1 if the parameters are not valid.
329  *
330  * \sa SDL_GetSurfaceBlendMode()
331  */
334 
335 /**
336  * \brief Get the blend mode used for blit operations.
337  *
338  * \param surface The surface to query.
339  * \param blendMode A pointer filled in with the current blend mode.
340  *
341  * \return 0 on success, or -1 if the surface is not valid.
342  *
343  * \sa SDL_SetSurfaceBlendMode()
344  */
347 
348 /**
349  * Sets the clipping rectangle for the destination surface in a blit.
350  *
351  * If the clip rectangle is NULL, clipping will be disabled.
352  *
353  * If the clip rectangle doesn't intersect the surface, the function will
354  * return SDL_FALSE and blits will be completely clipped. Otherwise the
355  * function returns SDL_TRUE and blits to the surface will be clipped to
356  * the intersection of the surface area and the clipping rectangle.
357  *
358  * Note that blits are automatically clipped to the edges of the source
359  * and destination surfaces.
360  */
362  const SDL_Rect * rect);
363 
364 /**
365  * Gets the clipping rectangle for the destination surface in a blit.
366  *
367  * \c rect must be a pointer to a valid rectangle which will be filled
368  * with the correct values.
369  */
371  SDL_Rect * rect);
372 
373 /*
374  * Creates a new surface identical to the existing surface
375  */
377 
378 /**
379  * Creates a new surface of the specified format, and then copies and maps
380  * the given surface to it so the blit of the converted surface will be as
381  * fast as possible. If this function fails, it returns NULL.
382  *
383  * The \c flags parameter is passed to SDL_CreateRGBSurface() and has those
384  * semantics. You can also pass ::SDL_RLEACCEL in the flags parameter and
385  * SDL will try to RLE accelerate colorkey and alpha blits in the resulting
386  * surface.
387  */
389  (SDL_Surface * src, const SDL_PixelFormat * fmt, Uint32 flags);
391  (SDL_Surface * src, Uint32 pixel_format, Uint32 flags);
392 
393 /**
394  * \brief Copy a block of pixels of one format to another format
395  *
396  * \return 0 on success, or -1 if there was an error
397  */
398 extern DECLSPEC int SDLCALL SDL_ConvertPixels(int width, int height,
399  Uint32 src_format,
400  const void * src, int src_pitch,
401  Uint32 dst_format,
402  void * dst, int dst_pitch);
403 
404 /**
405  * Performs a fast fill of the given rectangle with \c color.
406  *
407  * If \c rect is NULL, the whole surface will be filled with \c color.
408  *
409  * The color should be a pixel of the format used by the surface, and
410  * can be generated by the SDL_MapRGB() function.
411  *
412  * \return 0 on success, or -1 on error.
413  */
414 extern DECLSPEC int SDLCALL SDL_FillRect
415  (SDL_Surface * dst, const SDL_Rect * rect, Uint32 color);
416 extern DECLSPEC int SDLCALL SDL_FillRects
417  (SDL_Surface * dst, const SDL_Rect * rects, int count, Uint32 color);
418 
419 /**
420  * Performs a fast blit from the source surface to the destination surface.
421  *
422  * This assumes that the source and destination rectangles are
423  * the same size. If either \c srcrect or \c dstrect are NULL, the entire
424  * surface (\c src or \c dst) is copied. The final blit rectangles are saved
425  * in \c srcrect and \c dstrect after all clipping is performed.
426  *
427  * \return If the blit is successful, it returns 0, otherwise it returns -1.
428  *
429  * The blit function should not be called on a locked surface.
430  *
431  * The blit semantics for surfaces with and without blending and colorkey
432  * are defined as follows:
433  * \verbatim
434  RGBA->RGB:
435  Source surface blend mode set to SDL_BLENDMODE_BLEND:
436  alpha-blend (using the source alpha-channel and per-surface alpha)
437  SDL_SRCCOLORKEY ignored.
438  Source surface blend mode set to SDL_BLENDMODE_NONE:
439  copy RGB.
440  if SDL_SRCCOLORKEY set, only copy the pixels matching the
441  RGB values of the source color key, ignoring alpha in the
442  comparison.
443 
444  RGB->RGBA:
445  Source surface blend mode set to SDL_BLENDMODE_BLEND:
446  alpha-blend (using the source per-surface alpha)
447  Source surface blend mode set to SDL_BLENDMODE_NONE:
448  copy RGB, set destination alpha to source per-surface alpha value.
449  both:
450  if SDL_SRCCOLORKEY set, only copy the pixels matching the
451  source color key.
452 
453  RGBA->RGBA:
454  Source surface blend mode set to SDL_BLENDMODE_BLEND:
455  alpha-blend (using the source alpha-channel and per-surface alpha)
456  SDL_SRCCOLORKEY ignored.
457  Source surface blend mode set to SDL_BLENDMODE_NONE:
458  copy all of RGBA to the destination.
459  if SDL_SRCCOLORKEY set, only copy the pixels matching the
460  RGB values of the source color key, ignoring alpha in the
461  comparison.
462 
463  RGB->RGB:
464  Source surface blend mode set to SDL_BLENDMODE_BLEND:
465  alpha-blend (using the source per-surface alpha)
466  Source surface blend mode set to SDL_BLENDMODE_NONE:
467  copy RGB.
468  both:
469  if SDL_SRCCOLORKEY set, only copy the pixels matching the
470  source color key.
471  \endverbatim
472  *
473  * You should call SDL_BlitSurface() unless you know exactly how SDL
474  * blitting works internally and how to use the other blit functions.
475  */
476 #define SDL_BlitSurface SDL_UpperBlit
477 
478 /**
479  * This is the public blit function, SDL_BlitSurface(), and it performs
480  * rectangle validation and clipping before passing it to SDL_LowerBlit()
481  */
482 extern DECLSPEC int SDLCALL SDL_UpperBlit
483  (SDL_Surface * src, const SDL_Rect * srcrect,
484  SDL_Surface * dst, SDL_Rect * dstrect);
485 
486 /**
487  * This is a semi-private blit function and it performs low-level surface
488  * blitting only.
489  */
490 extern DECLSPEC int SDLCALL SDL_LowerBlit
491  (SDL_Surface * src, SDL_Rect * srcrect,
492  SDL_Surface * dst, SDL_Rect * dstrect);
493 
494 /**
495  * \brief Perform a fast, low quality, stretch blit between two surfaces of the
496  * same pixel format.
497  *
498  * \note This function uses a static buffer, and is not thread-safe.
499  */
501  const SDL_Rect * srcrect,
502  SDL_Surface * dst,
503  const SDL_Rect * dstrect);
504 
505 #define SDL_BlitScaled SDL_UpperBlitScaled
506 
507 /**
508  * This is the public scaled blit function, SDL_BlitScaled(), and it performs
509  * rectangle validation and clipping before passing it to SDL_LowerBlitScaled()
510  */
512  (SDL_Surface * src, const SDL_Rect * srcrect,
513  SDL_Surface * dst, SDL_Rect * dstrect);
514 
515 /**
516  * This is a semi-private blit function and it performs low-level surface
517  * scaled blitting only.
518  */
520  (SDL_Surface * src, SDL_Rect * srcrect,
521  SDL_Surface * dst, SDL_Rect * dstrect);
522 
523 /**
524  * \brief Set the YUV conversion mode
525  */
526 extern DECLSPEC void SDLCALL SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_MODE mode);
527 
528 /**
529  * \brief Get the YUV conversion mode
530  */
531 extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionMode(void);
532 
533 /**
534  * \brief Get the YUV conversion mode, returning the correct mode for the resolution when the current conversion mode is SDL_YUV_CONVERSION_AUTOMATIC
535  */
536 extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionModeForResolution(int width, int height);
537 
538 /* Ends C function definitions when using C++ */
539 #ifdef __cplusplus
540 }
541 #endif
542 #include "close_code.h"
543 
544 #endif /* SDL_surface_h_ */
545 
546 /* vi: set ts=4 sw=4 expandtab: */
SDL_Surface * SDL_CreateRGBSurfaceWithFormatFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 format)
Definition: SDL_surface.c:197
GLdouble GLdouble GLdouble r
Definition: SDL_opengl.h:2079
int SDL_GetSurfaceColorMod(SDL_Surface *surface, Uint8 *r, Uint8 *g, Uint8 *b)
Get the additional color value used in blit operations.
Definition: SDL_surface.c:410
void SDL_FreeSurface(SDL_Surface *surface)
Definition: SDL_surface.c:1199
int SDL_LockSurface(SDL_Surface *surface)
Sets up a surface for directly accessing the pixels.
Definition: SDL_surface.c:877
SDL_Surface * SDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
Definition: SDL_surface.c:173
SDL_YUV_CONVERSION_MODE
The formula used for converting between YUV and RGB.
Definition: SDL_surface.h:103
GLenum GLenum dst
SDL_BlendMode
The blend mode used in SDL_RenderCopy() and drawing operations.
Definition: SDL_blendmode.h:40
int SDL_SetSurfaceRLE(SDL_Surface *surface, int flag)
Sets the RLE acceleration hint for a surface.
Definition: SDL_surface.c:230
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1571
SDL_Rect rect
Definition: testrelative.c:27
int(* SDL_blit)(struct SDL_Surface *src, SDL_Rect *srcrect, struct SDL_Surface *dst, SDL_Rect *dstrect)
The type of function used for surface blitting functions.
Definition: SDL_surface.h:97
int SDL_UpperBlit(SDL_Surface *src, const SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect)
Definition: SDL_surface.c:597
SDL_Surface * SDL_CreateRGBSurfaceWithFormat(Uint32 flags, int width, int height, int depth, Uint32 format)
Definition: SDL_surface.c:66
EGLSurface surface
Definition: eglext.h:248
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
int SDL_SaveBMP_RW(SDL_Surface *surface, SDL_RWops *dst, int freedst)
Definition: SDL_bmp.c:463
uint32_t Uint32
Definition: SDL_stdinc.h:181
GLenum src
int SDL_ConvertPixels(int width, int height, Uint32 src_format, const void *src, int src_pitch, Uint32 dst_format, void *dst, int dst_pitch)
Copy a block of pixels of one format to another format.
Definition: SDL_surface.c:1138
GLfloat GLfloat GLfloat alpha
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
int SDL_SoftStretch(SDL_Surface *src, const SDL_Rect *srcrect, SDL_Surface *dst, const SDL_Rect *dstrect)
Perform a fast, low quality, stretch blit between two surfaces of the same pixel format.
Definition: SDL_stretch.c:203
int SDL_GetSurfaceAlphaMod(SDL_Surface *surface, Uint8 *alpha)
Get the additional alpha value used in blit operations.
Definition: SDL_surface.c:452
Uint32 flags
Definition: SDL_surface.h:71
static SDL_BlendMode blendMode
Definition: testdraw2.c:34
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
int SDL_SetSurfaceColorMod(SDL_Surface *surface, Uint8 r, Uint8 g, Uint8 b)
Set an additional color value used in blit operations.
Definition: SDL_surface.c:384
struct SDL_BlitMap * map
Definition: SDL_surface.h:88
#define DECLSPEC
Definition: SDL_internal.h:44
GLuint64 key
Definition: gl2ext.h:2192
SDL_bool SDL_SetClipRect(SDL_Surface *surface, const SDL_Rect *rect)
Definition: SDL_surface.c:531
SDL_Surface * SDL_CreateRGBSurface(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
Definition: SDL_surface.c:153
void * pixels
Definition: SDL_surface.h:75
uint8_t Uint8
Definition: SDL_stdinc.h:157
void SDL_GetClipRect(SDL_Surface *surface, SDL_Rect *rect)
Definition: SDL_surface.c:555
int SDL_LowerBlit(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect)
Definition: SDL_surface.c:574
int SDL_SetColorKey(SDL_Surface *surface, int flag, Uint32 key)
Sets the color key (transparent pixel) in a blittable surface.
Definition: SDL_surface.c:251
int SDL_SetSurfacePalette(SDL_Surface *surface, SDL_Palette *palette)
Set the palette used by a surface.
Definition: SDL_surface.c:216
int SDL_GetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode *blendMode)
Get the blend mode used for blit operations.
Definition: SDL_surface.c:502
GLenum mode
int SDL_LowerBlitScaled(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect)
Definition: SDL_surface.c:850
int SDL_FillRect(SDL_Surface *dst, const SDL_Rect *rect, Uint32 color)
Definition: SDL_fillrect.c:237
SDL_YUV_CONVERSION_MODE SDL_GetYUVConversionMode(void)
Get the YUV conversion mode.
Definition: SDL_yuv.c:40
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
SDL_Rect clip_rect
Definition: SDL_surface.h:85
SDL_bool
Definition: SDL_stdinc.h:139
SDL_PixelFormat * format
Definition: SDL_surface.h:72
GLint GLint GLsizei GLsizei GLsizei depth
Definition: SDL_opengl.h:1572
void SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_MODE mode)
Set the YUV conversion mode.
Definition: SDL_yuv.c:35
GLbitfield flags
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1572
GLuint color
int SDL_FillRects(SDL_Surface *dst, const SDL_Rect *rects, int count, Uint32 color)
Definition: SDL_fillrect.c:327
SDL_YUV_CONVERSION_MODE SDL_GetYUVConversionModeForResolution(int width, int height)
Get the YUV conversion mode, returning the correct mode for the resolution when the current conversio...
Definition: SDL_yuv.c:45
int SDL_SetSurfaceAlphaMod(SDL_Surface *surface, Uint8 alpha)
Set an additional alpha value used in blit operations.
Definition: SDL_surface.c:429
int SDL_UpperBlitScaled(SDL_Surface *src, const SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect)
Definition: SDL_surface.c:696
void SDL_UnlockSurface(SDL_Surface *surface)
Definition: SDL_surface.c:898
SDL_Surface * SDL_DuplicateSurface(SDL_Surface *surface)
Definition: SDL_surface.c:916
int SDL_GetColorKey(SDL_Surface *surface, Uint32 *key)
Gets the color key (transparent pixel) in a blittable surface.
Definition: SDL_surface.c:296
EGLSurface EGLint * rects
Definition: eglext.h:282
SDL_Surface * SDL_ConvertSurfaceFormat(SDL_Surface *src, Uint32 pixel_format, Uint32 flags)
Definition: SDL_surface.c:1082
SDL_Surface * SDL_LoadBMP_RW(SDL_RWops *src, int freesrc)
Definition: SDL_bmp.c:87
#define SDLCALL
Definition: SDL_internal.h:45
GLboolean GLboolean g
void * lock_data
Definition: SDL_surface.h:82
GLboolean GLboolean GLboolean b
void * userdata
Definition: SDL_surface.h:78
SDL_Surface * SDL_ConvertSurface(SDL_Surface *src, const SDL_PixelFormat *fmt, Uint32 flags)
Definition: SDL_surface.c:925
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
int SDL_SetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode blendMode)
Set the blend mode used for blit operations.
Definition: SDL_surface.c:465