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1 /*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2013 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_video.h
24 *
25 * Header file for SDL video functions.
26 */
27
28 #ifndef _SDL_video_h
29 #define _SDL_video_h
30
31 #include "SDL_stdinc.h"
32 #include "SDL_pixels.h"
33 #include "SDL_rect.h"
34 #include "SDL_surface.h"
35
36 #include "begin_code.h"
37 /* Set up for C function definitions, even when using C++ */
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42 /**
43 * \brief The structure that defines a display mode
44 *
45 * \sa SDL_GetNumDisplayModes()
46 * \sa SDL_GetDisplayMode()
47 * \sa SDL_GetDesktopDisplayMode()
48 * \sa SDL_GetCurrentDisplayMode()
49 * \sa SDL_GetClosestDisplayMode()
50 * \sa SDL_SetWindowDisplayMode()
51 * \sa SDL_GetWindowDisplayMode()
52 */
53 typedef struct
54 {
55 Uint32 format; /**< pixel format */
56 int w; /**< width */
57 int h; /**< height */
58 int refresh_rate; /**< refresh rate (or zero for unspecified) */
59 void *driverdata; /**< driver-specific data, initialize to 0 */
60 } SDL_DisplayMode;
61
62 /**
63 * \brief The type used to identify a window
64 *
65 * \sa SDL_CreateWindow()
66 * \sa SDL_CreateWindowFrom()
67 * \sa SDL_DestroyWindow()
68 * \sa SDL_GetWindowData()
69 * \sa SDL_GetWindowFlags()
70 * \sa SDL_GetWindowGrab()
71 * \sa SDL_GetWindowPosition()
72 * \sa SDL_GetWindowSize()
73 * \sa SDL_GetWindowTitle()
74 * \sa SDL_HideWindow()
75 * \sa SDL_MaximizeWindow()
76 * \sa SDL_MinimizeWindow()
77 * \sa SDL_RaiseWindow()
78 * \sa SDL_RestoreWindow()
79 * \sa SDL_SetWindowData()
80 * \sa SDL_SetWindowFullscreen()
81 * \sa SDL_SetWindowGrab()
82 * \sa SDL_SetWindowIcon()
83 * \sa SDL_SetWindowPosition()
84 * \sa SDL_SetWindowSize()
85 * \sa SDL_SetWindowBordered()
86 * \sa SDL_SetWindowTitle()
87 * \sa SDL_ShowWindow()
88 */
89 typedef struct SDL_Window SDL_Window;
90
91 /**
92 * \brief The flags on a window
93 *
94 * \sa SDL_GetWindowFlags()
95 */
96 typedef enum
97 {
98 SDL_WINDOW_FULLSCREEN = 0x00000001, /**< fullscreen window */
99 SDL_WINDOW_OPENGL = 0x00000002, /**< window usable with OpenGL context */
100 SDL_WINDOW_SHOWN = 0x00000004, /**< window is visible */
101 SDL_WINDOW_HIDDEN = 0x00000008, /**< window is not visible */
102 SDL_WINDOW_BORDERLESS = 0x00000010, /**< no window decoration */
103 SDL_WINDOW_RESIZABLE = 0x00000020, /**< window can be resized */
104 SDL_WINDOW_MINIMIZED = 0x00000040, /**< window is minimized */
105 SDL_WINDOW_MAXIMIZED = 0x00000080, /**< window is maximized */
106 SDL_WINDOW_INPUT_GRABBED = 0x00000100, /**< window has grabbed input focus */
107 SDL_WINDOW_INPUT_FOCUS = 0x00000200, /**< window has input focus */
108 SDL_WINDOW_MOUSE_FOCUS = 0x00000400, /**< window has mouse focus */
109 SDL_WINDOW_FULLSCREEN_DESKTOP = ( SDL_WINDOW_FULLSCREEN | 0x00001000 ),
110 SDL_WINDOW_FOREIGN = 0x00000800 /**< window not created by SDL */
111 } SDL_WindowFlags;
112
113 /**
114 * \brief Used to indicate that you don't care what the window position is.
115 */
116 #define SDL_WINDOWPOS_UNDEFINED_MASK 0x1FFF0000
117 #define SDL_WINDOWPOS_UNDEFINED_DISPLAY(X) (SDL_WINDOWPOS_UNDEFINED_MASK|(X))
118 #define SDL_WINDOWPOS_UNDEFINED SDL_WINDOWPOS_UNDEFINED_DISPLAY(0)
119 #define SDL_WINDOWPOS_ISUNDEFINED(X) \
120 (((X)&0xFFFF0000) == SDL_WINDOWPOS_UNDEFINED_MASK)
121
122 /**
123 * \brief Used to indicate that the window position should be centered.
124 */
125 #define SDL_WINDOWPOS_CENTERED_MASK 0x2FFF0000
126 #define SDL_WINDOWPOS_CENTERED_DISPLAY(X) (SDL_WINDOWPOS_CENTERED_MASK|(X))
127 #define SDL_WINDOWPOS_CENTERED SDL_WINDOWPOS_CENTERED_DISPLAY(0)
128 #define SDL_WINDOWPOS_ISCENTERED(X) \
129 (((X)&0xFFFF0000) == SDL_WINDOWPOS_CENTERED_MASK)
130
131 /**
132 * \brief Event subtype for window events
133 */
134 typedef enum
135 {
136 SDL_WINDOWEVENT_NONE, /**< Never used */
137 SDL_WINDOWEVENT_SHOWN, /**< Window has been shown */
138 SDL_WINDOWEVENT_HIDDEN, /**< Window has been hidden */
139 SDL_WINDOWEVENT_EXPOSED, /**< Window has been exposed and should be
140 redrawn */
141 SDL_WINDOWEVENT_MOVED, /**< Window has been moved to data1, data2
142 */
143 SDL_WINDOWEVENT_RESIZED, /**< Window has been resized to data1xdata2 */
144 SDL_WINDOWEVENT_SIZE_CHANGED, /**< The window size has changed, either as a result of an API call or through the system or user changing the window size. */
145 SDL_WINDOWEVENT_MINIMIZED, /**< Window has been minimized */
146 SDL_WINDOWEVENT_MAXIMIZED, /**< Window has been maximized */
147 SDL_WINDOWEVENT_RESTORED, /**< Window has been restored to normal size
148 and position */
149 SDL_WINDOWEVENT_ENTER, /**< Window has gained mouse focus */
150 SDL_WINDOWEVENT_LEAVE, /**< Window has lost mouse focus */
151 SDL_WINDOWEVENT_FOCUS_GAINED, /**< Window has gained keyboard focus */
152 SDL_WINDOWEVENT_FOCUS_LOST, /**< Window has lost keyboard focus */
153 SDL_WINDOWEVENT_CLOSE /**< The window manager requests that the
154 window be closed */
155 } SDL_WindowEventID;
156
157 /**
158 * \brief An opaque handle to an OpenGL context.
159 */
160 typedef void *SDL_GLContext;
161
162 /**
163 * \brief OpenGL configuration attributes
164 */
165 typedef enum
166 {
167 SDL_GL_RED_SIZE,
168 SDL_GL_GREEN_SIZE,
169 SDL_GL_BLUE_SIZE,
170 SDL_GL_ALPHA_SIZE,
171 SDL_GL_BUFFER_SIZE,
172 SDL_GL_DOUBLEBUFFER,
173 SDL_GL_DEPTH_SIZE,
174 SDL_GL_STENCIL_SIZE,
175 SDL_GL_ACCUM_RED_SIZE,
176 SDL_GL_ACCUM_GREEN_SIZE,
177 SDL_GL_ACCUM_BLUE_SIZE,
178 SDL_GL_ACCUM_ALPHA_SIZE,
179 SDL_GL_STEREO,
180 SDL_GL_MULTISAMPLEBUFFERS,
181 SDL_GL_MULTISAMPLESAMPLES,
182 SDL_GL_ACCELERATED_VISUAL,
183 SDL_GL_RETAINED_BACKING,
184 SDL_GL_CONTEXT_MAJOR_VERSION,
185 SDL_GL_CONTEXT_MINOR_VERSION,
186 SDL_GL_CONTEXT_EGL,
187 SDL_GL_CONTEXT_FLAGS,
188 SDL_GL_CONTEXT_PROFILE_MASK,
189 SDL_GL_SHARE_WITH_CURRENT_CONTEXT
190 } SDL_GLattr;
191
192 typedef enum
193 {
194 SDL_GL_CONTEXT_PROFILE_CORE = 0x0001,
195 SDL_GL_CONTEXT_PROFILE_COMPATIBILITY = 0x0002,
196 SDL_GL_CONTEXT_PROFILE_ES = 0x0004
197 } SDL_GLprofile;
198
199 typedef enum
200 {
201 SDL_GL_CONTEXT_DEBUG_FLAG = 0x0001,
202 SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG = 0x0002,
203 SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG = 0x0004,
204 SDL_GL_CONTEXT_RESET_ISOLATION_FLAG = 0x0008
205 } SDL_GLcontextFlag;
206
207
208 /* Function prototypes */
209
210 /**
211 * \brief Get the number of video drivers compiled into SDL
212 *
213 * \sa SDL_GetVideoDriver()
214 */
215 extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void);
216
217 /**
218 * \brief Get the name of a built in video driver.
219 *
220 * \note The video drivers are presented in the order in which they are
221 * normally checked during initialization.
222 *
223 * \sa SDL_GetNumVideoDrivers()
224 */
225 extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index);
226
227 /**
228 * \brief Initialize the video subsystem, optionally specifying a video driver.
229 *
230 * \param driver_name Initialize a specific driver by name, or NULL for the
231 * default video driver.
232 *
233 * \return 0 on success, -1 on error
234 *
235 * This function initializes the video subsystem; setting up a connection
236 * to the window manager, etc, and determines the available display modes
237 * and pixel formats, but does not initialize a window or graphics mode.
238 *
239 * \sa SDL_VideoQuit()
240 */
241 extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name);
242
243 /**
244 * \brief Shuts down the video subsystem.
245 *
246 * This function closes all windows, and restores the original video mode.
247 *
248 * \sa SDL_VideoInit()
249 */
250 extern DECLSPEC void SDLCALL SDL_VideoQuit(void);
251
252 /**
253 * \brief Returns the name of the currently initialized video driver.
254 *
255 * \return The name of the current video driver or NULL if no driver
256 * has been initialized
257 *
258 * \sa SDL_GetNumVideoDrivers()
259 * \sa SDL_GetVideoDriver()
260 */
261 extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void);
262
263 /**
264 * \brief Returns the number of available video displays.
265 *
266 * \sa SDL_GetDisplayBounds()
267 */
268 extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void);
269
270 /**
271 * \brief Get the name of a display in UTF-8 encoding
272 *
273 * \return The name of a display, or NULL for an invalid display index.
274 *
275 * \sa SDL_GetNumVideoDisplays()
276 */
277 extern DECLSPEC const char * SDLCALL SDL_GetDisplayName(int displayIndex);
278
279 /**
280 * \brief Get the desktop area represented by a display, with the primary
281 * display located at 0,0
282 *
283 * \return 0 on success, or -1 if the index is out of range.
284 *
285 * \sa SDL_GetNumVideoDisplays()
286 */
287 extern DECLSPEC int SDLCALL SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect);
288
289 /**
290 * \brief Returns the number of available display modes.
291 *
292 * \sa SDL_GetDisplayMode()
293 */
294 extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(int displayIndex);
295
296 /**
297 * \brief Fill in information about a specific display mode.
298 *
299 * \note The display modes are sorted in this priority:
300 * \li bits per pixel -> more colors to fewer colors
301 * \li width -> largest to smallest
302 * \li height -> largest to smallest
303 * \li refresh rate -> highest to lowest
304 *
305 * \sa SDL_GetNumDisplayModes()
306 */
307 extern DECLSPEC int SDLCALL SDL_GetDisplayMode(int displayIndex, int modeIndex,
308 SDL_DisplayMode * mode);
309
310 /**
311 * \brief Fill in information about the desktop display mode.
312 */
313 extern DECLSPEC int SDLCALL SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode);
314
315 /**
316 * \brief Fill in information about the current display mode.
317 */
318 extern DECLSPEC int SDLCALL SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode);
319
320
321 /**
322 * \brief Get the closest match to the requested display mode.
323 *
324 * \param displayIndex The index of display from which mode should be queried.
325 * \param mode The desired display mode
326 * \param closest A pointer to a display mode to be filled in with the closest
327 * match of the available display modes.
328 *
329 * \return The passed in value \c closest, or NULL if no matching video mode
330 * was available.
331 *
332 * The available display modes are scanned, and \c closest is filled in with the
333 * closest mode matching the requested mode and returned. The mode format and
334 * refresh_rate default to the desktop mode if they are 0. The modes are
335 * scanned with size being first priority, format being second priority, and
336 * finally checking the refresh_rate. If all the available modes are too
337 * small, then NULL is returned.
338 *
339 * \sa SDL_GetNumDisplayModes()
340 * \sa SDL_GetDisplayMode()
341 */
342 extern DECLSPEC SDL_DisplayMode * SDLCALL SDL_GetClosestDisplayMode(int displayIndex, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
343
344 /**
345 * \brief Get the display index associated with a window.
346 *
347 * \return the display index of the display containing the center of the
348 * window, or -1 on error.
349 */
350 extern DECLSPEC int SDLCALL SDL_GetWindowDisplayIndex(SDL_Window * window);
351
352 /**
353 * \brief Set the display mode used when a fullscreen window is visible.
354 *
355 * By default the window's dimensions and the desktop format and refresh rate
356 * are used.
357 *
358 * \param window The window for which the display mode should be set.
359 * \param mode The mode to use, or NULL for the default mode.
360 *
361 * \return 0 on success, or -1 if setting the display mode failed.
362 *
363 * \sa SDL_GetWindowDisplayMode()
364 * \sa SDL_SetWindowFullscreen()
365 */
366 extern DECLSPEC int SDLCALL SDL_SetWindowDisplayMode(SDL_Window * window,
367 const SDL_DisplayMode
368 * mode);
369
370 /**
371 * \brief Fill in information about the display mode used when a fullscreen
372 * window is visible.
373 *
374 * \sa SDL_SetWindowDisplayMode()
375 * \sa SDL_SetWindowFullscreen()
376 */
377 extern DECLSPEC int SDLCALL SDL_GetWindowDisplayMode(SDL_Window * window,
378 SDL_DisplayMode * mode);
379
380 /**
381 * \brief Get the pixel format associated with the window.
382 */
383 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
384
385 /**
386 * \brief Create a window with the specified position, dimensions, and flags.
387 *
388 * \param title The title of the window, in UTF-8 encoding.
389 * \param x The x position of the window, ::SDL_WINDOWPOS_CENTERED, or
390 * ::SDL_WINDOWPOS_UNDEFINED.
391 * \param y The y position of the window, ::SDL_WINDOWPOS_CENTERED, or
392 * ::SDL_WINDOWPOS_UNDEFINED.
393 * \param w The width of the window.
394 * \param h The height of the window.
395 * \param flags The flags for the window, a mask of any of the following:
396 * ::SDL_WINDOW_FULLSCREEN, ::SDL_WINDOW_OPENGL,
397 * ::SDL_WINDOW_HIDDEN, ::SDL_WINDOW_BORDERLESS,
398 * ::SDL_WINDOW_RESIZABLE, ::SDL_WINDOW_MAXIMIZED,
399 * ::SDL_WINDOW_MINIMIZED, ::SDL_WINDOW_INPUT_GRABBED.
400 *
401 * \return The id of the window created, or zero if window creation failed.
402 *
403 * \sa SDL_DestroyWindow()
404 */
405 extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindow(const char *title,
406 int x, int y, int w,
407 int h, Uint32 flags);
408
409 /**
410 * \brief Create an SDL window from an existing native window.
411 *
412 * \param data A pointer to driver-dependent window creation data
413 *
414 * \return The id of the window created, or zero if window creation failed.
415 *
416 * \sa SDL_DestroyWindow()
417 */
418 extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindowFrom(const void *data);
419
420 /**
421 * \brief Get the numeric ID of a window, for logging purposes.
422 */
423 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowID(SDL_Window * window);
424
425 /**
426 * \brief Get a window from a stored ID, or NULL if it doesn't exist.
427 */
428 extern DECLSPEC SDL_Window * SDLCALL SDL_GetWindowFromID(Uint32 id);
429
430 /**
431 * \brief Get the window flags.
432 */
433 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_Window * window);
434
435 /**
436 * \brief Set the title of a window, in UTF-8 format.
437 *
438 * \sa SDL_GetWindowTitle()
439 */
440 extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_Window * window,
441 const char *title);
442
443 /**
444 * \brief Get the title of a window, in UTF-8 format.
445 *
446 * \sa SDL_SetWindowTitle()
447 */
448 extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_Window * window);
449
450 /**
451 * \brief Set the icon for a window.
452 *
453 * \param window The window for which the icon should be set.
454 * \param icon The icon for the window.
455 */
456 extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Window * window,
457 SDL_Surface * icon);
458
459 /**
460 * \brief Associate an arbitrary named pointer with a window.
461 *
462 * \param window The window to associate with the pointer.
463 * \param name The name of the pointer.
464 * \param userdata The associated pointer.
465 *
466 * \return The previous value associated with 'name'
467 *
468 * \note The name is case-sensitive.
469 *
470 * \sa SDL_GetWindowData()
471 */
472 extern DECLSPEC void* SDLCALL SDL_SetWindowData(SDL_Window * window,
473 const char *name,
474 void *userdata);
475
476 /**
477 * \brief Retrieve the data pointer associated with a window.
478 *
479 * \param window The window to query.
480 * \param name The name of the pointer.
481 *
482 * \return The value associated with 'name'
483 *
484 * \sa SDL_SetWindowData()
485 */
486 extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_Window * window,
487 const char *name);
488
489 /**
490 * \brief Set the position of a window.
491 *
492 * \param window The window to reposition.
493 * \param x The x coordinate of the window, ::SDL_WINDOWPOS_CENTERED, or
494 ::SDL_WINDOWPOS_UNDEFINED.
495 * \param y The y coordinate of the window, ::SDL_WINDOWPOS_CENTERED, or
496 ::SDL_WINDOWPOS_UNDEFINED.
497 *
498 * \note The window coordinate origin is the upper left of the display.
499 *
500 * \sa SDL_GetWindowPosition()
501 */
502 extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_Window * window,
503 int x, int y);
504
505 /**
506 * \brief Get the position of a window.
507 *
508 * \param window The window to query.
509 * \param x Pointer to variable for storing the x position, may be NULL
510 * \param y Pointer to variable for storing the y position, may be NULL
511 *
512 * \sa SDL_SetWindowPosition()
513 */
514 extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_Window * window,
515 int *x, int *y);
516
517 /**
518 * \brief Set the size of a window's client area.
519 *
520 * \param window The window to resize.
521 * \param w The width of the window, must be >0
522 * \param h The height of the window, must be >0
523 *
524 * \note You can't change the size of a fullscreen window, it automatically
525 * matches the size of the display mode.
526 *
527 * \sa SDL_GetWindowSize()
528 */
529 extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_Window * window, int w,
530 int h);
531
532 /**
533 * \brief Get the size of a window's client area.
534 *
535 * \param window The window to query.
536 * \param w Pointer to variable for storing the width, may be NULL
537 * \param h Pointer to variable for storing the height, may be NULL
538 *
539 * \sa SDL_SetWindowSize()
540 */
541 extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_Window * window, int *w,
542 int *h);
543
544 /**
545 * \brief Set the minimum size of a window's client area.
546 *
547 * \param window The window to set a new minimum size.
548 * \param min_w The minimum width of the window, must be >0
549 * \param min_h The minimum height of the window, must be >0
550 *
551 * \note You can't change the minimum size of a fullscreen window, it
552 * automatically matches the size of the display mode.
553 *
554 * \sa SDL_GetWindowMinimumSize()
555 * \sa SDL_SetWindowMaximumSize()
556 */
557 extern DECLSPEC void SDLCALL SDL_SetWindowMinimumSize(SDL_Window * window,
558 int min_w, int min_h);
559
560 /**
561 * \brief Get the minimum size of a window's client area.
562 *
563 * \param window The window to query.
564 * \param w Pointer to variable for storing the minimum width, may be NULL
565 * \param h Pointer to variable for storing the minimum height, may be NULL
566 *
567 * \sa SDL_GetWindowMaximumSize()
568 * \sa SDL_SetWindowMinimumSize()
569 */
570 extern DECLSPEC void SDLCALL SDL_GetWindowMinimumSize(SDL_Window * window,
571 int *w, int *h);
572
573 /**
574 * \brief Set the maximum size of a window's client area.
575 *
576 * \param window The window to set a new maximum size.
577 * \param max_w The maximum width of the window, must be >0
578 * \param max_h The maximum height of the window, must be >0
579 *
580 * \note You can't change the maximum size of a fullscreen window, it
581 * automatically matches the size of the display mode.
582 *
583 * \sa SDL_GetWindowMaximumSize()
584 * \sa SDL_SetWindowMinimumSize()
585 */
586 extern DECLSPEC void SDLCALL SDL_SetWindowMaximumSize(SDL_Window * window,
587 int max_w, int max_h);
588
589 /**
590 * \brief Get the maximum size of a window's client area.
591 *
592 * \param window The window to query.
593 * \param w Pointer to variable for storing the maximum width, may be NULL
594 * \param h Pointer to variable for storing the maximum height, may be NULL
595 *
596 * \sa SDL_GetWindowMinimumSize()
597 * \sa SDL_SetWindowMaximumSize()
598 */
599 extern DECLSPEC void SDLCALL SDL_GetWindowMaximumSize(SDL_Window * window,
600 int *w, int *h);
601
602 /**
603 * \brief Set the border state of a window.
604 *
605 * This will add or remove the window's SDL_WINDOW_BORDERLESS flag and
606 * add or remove the border from the actual window. This is a no-op if the
607 * window's border already matches the requested state.
608 *
609 * \param window The window of which to change the border state.
610 * \param bordered SDL_FALSE to remove border, SDL_TRUE to add border.
611 *
612 * \note You can't change the border state of a fullscreen window.
613 *
614 * \sa SDL_GetWindowFlags()
615 */
616 extern DECLSPEC void SDLCALL SDL_SetWindowBordered(SDL_Window * window,
617 SDL_bool bordered);
618
619 /**
620 * \brief Show a window.
621 *
622 * \sa SDL_HideWindow()
623 */
624 extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_Window * window);
625
626 /**
627 * \brief Hide a window.
628 *
629 * \sa SDL_ShowWindow()
630 */
631 extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_Window * window);
632
633 /**
634 * \brief Raise a window above other windows and set the input focus.
635 */
636 extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_Window * window);
637
638 /**
639 * \brief Make a window as large as possible.
640 *
641 * \sa SDL_RestoreWindow()
642 */
643 extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_Window * window);
644
645 /**
646 * \brief Minimize a window to an iconic representation.
647 *
648 * \sa SDL_RestoreWindow()
649 */
650 extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_Window * window);
651
652 /**
653 * \brief Restore the size and position of a minimized or maximized window.
654 *
655 * \sa SDL_MaximizeWindow()
656 * \sa SDL_MinimizeWindow()
657 */
658 extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_Window * window);
659
660 /**
661 * \brief Set a window's fullscreen state.
662 *
663 * \return 0 on success, or -1 if setting the display mode failed.
664 *
665 * \sa SDL_SetWindowDisplayMode()
666 * \sa SDL_GetWindowDisplayMode()
667 */
668 extern DECLSPEC int SDLCALL SDL_SetWindowFullscreen(SDL_Window * window,
669 Uint32 flags);
670
671 /**
672 * \brief Get the SDL surface associated with the window.
673 *
674 * \return The window's framebuffer surface, or NULL on error.
675 *
676 * A new surface will be created with the optimal format for the window,
677 * if necessary. This surface will be freed when the window is destroyed.
678 *
679 * \note You may not combine this with 3D or the rendering API on this window.
680 *
681 * \sa SDL_UpdateWindowSurface()
682 * \sa SDL_UpdateWindowSurfaceRects()
683 */
684 extern DECLSPEC SDL_Surface * SDLCALL SDL_GetWindowSurface(SDL_Window * window);
685
686 /**
687 * \brief Copy the window surface to the screen.
688 *
689 * \return 0 on success, or -1 on error.
690 *
691 * \sa SDL_GetWindowSurface()
692 * \sa SDL_UpdateWindowSurfaceRects()
693 */
694 extern DECLSPEC int SDLCALL SDL_UpdateWindowSurface(SDL_Window * window);
695
696 /**
697 * \brief Copy a number of rectangles on the window surface to the screen.
698 *
699 * \return 0 on success, or -1 on error.
700 *
701 * \sa SDL_GetWindowSurface()
702 * \sa SDL_UpdateWindowSurfaceRect()
703 */
704 extern DECLSPEC int SDLCALL SDL_UpdateWindowSurfaceRects(SDL_Window * window,
705 const SDL_Rect * rects,
706 int numrects);
707
708 /**
709 * \brief Set a window's input grab mode.
710 *
711 * \param window The window for which the input grab mode should be set.
712 * \param grabbed This is SDL_TRUE to grab input, and SDL_FALSE to release input.
713 *
714 * \sa SDL_GetWindowGrab()
715 */
716 extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_Window * window,
717 SDL_bool grabbed);
718
719 /**
720 * \brief Get a window's input grab mode.
721 *
722 * \return This returns SDL_TRUE if input is grabbed, and SDL_FALSE otherwise.
723 *
724 * \sa SDL_SetWindowGrab()
725 */
726 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowGrab(SDL_Window * window);
727
728 /**
729 * \brief Set the brightness (gamma correction) for a window.
730 *
731 * \return 0 on success, or -1 if setting the brightness isn't supported.
732 *
733 * \sa SDL_GetWindowBrightness()
734 * \sa SDL_SetWindowGammaRamp()
735 */
736 extern DECLSPEC int SDLCALL SDL_SetWindowBrightness(SDL_Window * window, float brightness);
737
738 /**
739 * \brief Get the brightness (gamma correction) for a window.
740 *
741 * \return The last brightness value passed to SDL_SetWindowBrightness()
742 *
743 * \sa SDL_SetWindowBrightness()
744 */
745 extern DECLSPEC float SDLCALL SDL_GetWindowBrightness(SDL_Window * window);
746
747 /**
748 * \brief Set the gamma ramp for a window.
749 *
750 * \param window The window for which the gamma ramp should be set.
751 * \param red The translation table for the red channel, or NULL.
752 * \param green The translation table for the green channel, or NULL.
753 * \param blue The translation table for the blue channel, or NULL.
754 *
755 * \return 0 on success, or -1 if gamma ramps are unsupported.
756 *
757 * Set the gamma translation table for the red, green, and blue channels
758 * of the video hardware. Each table is an array of 256 16-bit quantities,
759 * representing a mapping between the input and output for that channel.
760 * The input is the index into the array, and the output is the 16-bit
761 * gamma value at that index, scaled to the output color precision.
762 *
763 * \sa SDL_GetWindowGammaRamp()
764 */
765 extern DECLSPEC int SDLCALL SDL_SetWindowGammaRamp(SDL_Window * window,
766 const Uint16 * red,
767 const Uint16 * green,
768 const Uint16 * blue);
769
770 /**
771 * \brief Get the gamma ramp for a window.
772 *
773 * \param window The window from which the gamma ramp should be queried.
774 * \param red A pointer to a 256 element array of 16-bit quantities to hold
775 * the translation table for the red channel, or NULL.
776 * \param green A pointer to a 256 element array of 16-bit quantities to hold
777 * the translation table for the green channel, or NULL.
778 * \param blue A pointer to a 256 element array of 16-bit quantities to hold
779 * the translation table for the blue channel, or NULL.
780 *
781 * \return 0 on success, or -1 if gamma ramps are unsupported.
782 *
783 * \sa SDL_SetWindowGammaRamp()
784 */
785 extern DECLSPEC int SDLCALL SDL_GetWindowGammaRamp(SDL_Window * window,
786 Uint16 * red,
787 Uint16 * green,
788 Uint16 * blue);
789
790 /**
791 * \brief Destroy a window.
792 */
793 extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_Window * window);
794
795
796 /**
797 * \brief Returns whether the screensaver is currently enabled (default on).
798 *
799 * \sa SDL_EnableScreenSaver()
800 * \sa SDL_DisableScreenSaver()
801 */
802 extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenSaverEnabled(void);
803
804 /**
805 * \brief Allow the screen to be blanked by a screensaver
806 *
807 * \sa SDL_IsScreenSaverEnabled()
808 * \sa SDL_DisableScreenSaver()
809 */
810 extern DECLSPEC void SDLCALL SDL_EnableScreenSaver(void);
811
812 /**
813 * \brief Prevent the screen from being blanked by a screensaver
814 *
815 * \sa SDL_IsScreenSaverEnabled()
816 * \sa SDL_EnableScreenSaver()
817 */
818 extern DECLSPEC void SDLCALL SDL_DisableScreenSaver(void);
819
820
821 /**
822 * \name OpenGL support functions
823 */
824 /*@{*/
825
826 /**
827 * \brief Dynamically load an OpenGL library.
828 *
829 * \param path The platform dependent OpenGL library name, or NULL to open the
830 * default OpenGL library.
831 *
832 * \return 0 on success, or -1 if the library couldn't be loaded.
833 *
834 * This should be done after initializing the video driver, but before
835 * creating any OpenGL windows. If no OpenGL library is loaded, the default
836 * library will be loaded upon creation of the first OpenGL window.
837 *
838 * \note If you do this, you need to retrieve all of the GL functions used in
839 * your program from the dynamic library using SDL_GL_GetProcAddress().
840 *
841 * \sa SDL_GL_GetProcAddress()
842 * \sa SDL_GL_UnloadLibrary()
843 */
844 extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path);
845
846 /**
847 * \brief Get the address of an OpenGL function.
848 */
849 extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc);
850
851 /**
852 * \brief Unload the OpenGL library previously loaded by SDL_GL_LoadLibrary().
853 *
854 * \sa SDL_GL_LoadLibrary()
855 */
856 extern DECLSPEC void SDLCALL SDL_GL_UnloadLibrary(void);
857
858 /**
859 * \brief Return true if an OpenGL extension is supported for the current
860 * context.
861 */
862 extern DECLSPEC SDL_bool SDLCALL SDL_GL_ExtensionSupported(const char
863 *extension);
864
865 /**
866 * \brief Set an OpenGL window attribute before window creation.
867 */
868 extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value);
869
870 /**
871 * \brief Get the actual value for an attribute from the current context.
872 */
873 extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value);
874
875 /**
876 * \brief Create an OpenGL context for use with an OpenGL window, and make it
877 * current.
878 *
879 * \sa SDL_GL_DeleteContext()
880 */
881 extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_CreateContext(SDL_Window *
882 window);
883
884 /**
885 * \brief Set up an OpenGL context for rendering into an OpenGL window.
886 *
887 * \note The context must have been created with a compatible window.
888 */
889 extern DECLSPEC int SDLCALL SDL_GL_MakeCurrent(SDL_Window * window,
890 SDL_GLContext context);
891
892 /**
893 * \brief Get the currently active OpenGL window.
894 */
895 extern DECLSPEC SDL_Window* SDLCALL SDL_GL_GetCurrentWindow(void);
896
897 /**
898 * \brief Get the currently active OpenGL context.
899 */
900 extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_GetCurrentContext(void);
901
902 /**
903 * \brief Set the swap interval for the current OpenGL context.
904 *
905 * \param interval 0 for immediate updates, 1 for updates synchronized with the
906 * vertical retrace. If the system supports it, you may
907 * specify -1 to allow late swaps to happen immediately
908 * instead of waiting for the next retrace.
909 *
910 * \return 0 on success, or -1 if setting the swap interval is not supported.
911 *
912 * \sa SDL_GL_GetSwapInterval()
913 */
914 extern DECLSPEC int SDLCALL SDL_GL_SetSwapInterval(int interval);
915
916 /**
917 * \brief Get the swap interval for the current OpenGL context.
918 *
919 * \return 0 if there is no vertical retrace synchronization, 1 if the buffer
920 * swap is synchronized with the vertical retrace, and -1 if late
921 * swaps happen immediately instead of waiting for the next retrace.
922 * If the system can't determine the swap interval, or there isn't a
923 * valid current context, this will return 0 as a safe default.
924 *
925 * \sa SDL_GL_SetSwapInterval()
926 */
927 extern DECLSPEC int SDLCALL SDL_GL_GetSwapInterval(void);
928
929 /**
930 * \brief Swap the OpenGL buffers for a window, if double-buffering is
931 * supported.
932 */
933 extern DECLSPEC void SDLCALL SDL_GL_SwapWindow(SDL_Window * window);
934
935 /**
936 * \brief Delete an OpenGL context.
937 *
938 * \sa SDL_GL_CreateContext()
939 */
940 extern DECLSPEC void SDLCALL SDL_GL_DeleteContext(SDL_GLContext context);
941
942 /*@}*//*OpenGL support functions*/
943
944
945 /* Ends C function definitions when using C++ */
946 #ifdef __cplusplus
947 }
948 #endif
949 #include "close_code.h"
950
951 #endif /* _SDL_video_h */
952
953 /* vi: set ts=4 sw=4 expandtab: */