/
SDL_dibvideo.c
1277 lines (1151 loc) · 32.5 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2006 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
14
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19
Sam Lantinga
20
slouken@libsdl.org
21
*/
22
#include "SDL_config.h"
23
24
25
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
26
27
28
29
30
31
/* Not yet in the mingw32 cross-compile headers */
#ifndef CDS_FULLSCREEN
#define CDS_FULLSCREEN 4
#endif
32
#include "SDL_syswm.h"
33
34
35
36
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
37
#include "SDL_dibvideo.h"
38
39
#include "../wincommon/SDL_syswm_c.h"
#include "../wincommon/SDL_sysmouse_c.h"
40
#include "SDL_dibevents_c.h"
41
#include "../wincommon/SDL_wingl_c.h"
42
43
#ifdef _WIN32_WCE
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
#ifndef DM_DISPLAYORIENTATION
#define DM_DISPLAYORIENTATION 0x00800000L
#endif
#ifndef DM_DISPLAYQUERYORIENTATION
#define DM_DISPLAYQUERYORIENTATION 0x01000000L
#endif
#ifndef DMDO_0
#define DMDO_0 0
#endif
#ifndef DMDO_90
#define DMDO_90 1
#endif
#ifndef DMDO_180
#define DMDO_180 2
#endif
#ifndef DMDO_270
#define DMDO_270 4
#endif
64
65
#define NO_GETDIBITS
#define NO_GAMMA_SUPPORT
66
67
68
69
70
#if _WIN32_WCE < 420
#define NO_CHANGEDISPLAYSETTINGS
#else
#define ChangeDisplaySettings(lpDevMode, dwFlags) ChangeDisplaySettingsEx(NULL, (lpDevMode), 0, (dwFlags), 0)
#endif
71
#endif
72
#ifndef WS_MAXIMIZE
73
74
75
76
#define WS_MAXIMIZE 0
#endif
#ifndef WS_THICKFRAME
#define WS_THICKFRAME 0
77
78
79
80
81
82
83
#endif
#ifndef SWP_NOCOPYBITS
#define SWP_NOCOPYBITS 0
#endif
#ifndef PC_NOCOLLAPSE
#define PC_NOCOLLAPSE 0
#endif
84
85
86
87
88
89
#ifdef _WIN32_WCE
// defined and used in SDL_sysevents.c
extern HINSTANCE aygshell;
#endif
90
91
92
93
94
95
96
/* Initialization/Query functions */
static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat);
static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
static int DIB_SetColors(_THIS, int firstcolor, int ncolors,
SDL_Color *colors);
static void DIB_CheckGamma(_THIS);
97
98
99
100
void DIB_SwapGamma(_THIS);
void DIB_QuitGamma(_THIS);
int DIB_SetGammaRamp(_THIS, Uint16 *ramp);
int DIB_GetGammaRamp(_THIS, Uint16 *ramp);
101
102
103
104
105
106
107
108
109
static void DIB_VideoQuit(_THIS);
/* Hardware surface functions */
static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface);
static int DIB_LockHWSurface(_THIS, SDL_Surface *surface);
static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface);
static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface);
/* Windows message handling functions */
110
111
112
static void DIB_GrabStaticColors(HWND window);
static void DIB_ReleaseStaticColors(HWND window);
static void DIB_Activate(_THIS, BOOL active, BOOL minimized);
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
static void DIB_RealizePalette(_THIS);
static void DIB_PaletteChanged(_THIS, HWND window);
static void DIB_WinPAINT(_THIS, HDC hdc);
/* helper fn */
static int DIB_SussScreenDepth();
/* DIB driver bootstrap functions */
static int DIB_Available(void)
{
return(1);
}
static void DIB_DeleteDevice(SDL_VideoDevice *device)
{
if ( device ) {
if ( device->hidden ) {
131
SDL_free(device->hidden);
132
133
}
if ( device->gl_data ) {
134
SDL_free(device->gl_data);
135
}
136
SDL_free(device);
137
138
139
140
141
142
143
144
}
}
static SDL_VideoDevice *DIB_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
/* Initialize all variables that we clean on shutdown */
145
device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
146
if ( device ) {
147
SDL_memset(device, 0, (sizeof *device));
148
device->hidden = (struct SDL_PrivateVideoData *)
149
SDL_malloc((sizeof *device->hidden));
150
device->gl_data = (struct SDL_PrivateGLData *)
151
SDL_malloc((sizeof *device->gl_data));
152
153
154
155
156
157
158
}
if ( (device == NULL) || (device->hidden == NULL) ||
(device->gl_data == NULL) ) {
SDL_OutOfMemory();
DIB_DeleteDevice(device);
return(NULL);
}
159
160
SDL_memset(device->hidden, 0, (sizeof *device->hidden));
SDL_memset(device->gl_data, 0, (sizeof *device->gl_data));
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
/* Set the function pointers */
device->VideoInit = DIB_VideoInit;
device->ListModes = DIB_ListModes;
device->SetVideoMode = DIB_SetVideoMode;
device->UpdateMouse = WIN_UpdateMouse;
device->SetColors = DIB_SetColors;
device->UpdateRects = NULL;
device->VideoQuit = DIB_VideoQuit;
device->AllocHWSurface = DIB_AllocHWSurface;
device->CheckHWBlit = NULL;
device->FillHWRect = NULL;
device->SetHWColorKey = NULL;
device->SetHWAlpha = NULL;
device->LockHWSurface = DIB_LockHWSurface;
device->UnlockHWSurface = DIB_UnlockHWSurface;
device->FlipHWSurface = NULL;
device->FreeHWSurface = DIB_FreeHWSurface;
device->SetGammaRamp = DIB_SetGammaRamp;
device->GetGammaRamp = DIB_GetGammaRamp;
181
#if SDL_VIDEO_OPENGL
182
183
184
185
186
device->GL_LoadLibrary = WIN_GL_LoadLibrary;
device->GL_GetProcAddress = WIN_GL_GetProcAddress;
device->GL_GetAttribute = WIN_GL_GetAttribute;
device->GL_MakeCurrent = WIN_GL_MakeCurrent;
device->GL_SwapBuffers = WIN_GL_SwapBuffers;
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
#endif
device->SetCaption = WIN_SetWMCaption;
device->SetIcon = WIN_SetWMIcon;
device->IconifyWindow = WIN_IconifyWindow;
device->GrabInput = WIN_GrabInput;
device->GetWMInfo = WIN_GetWMInfo;
device->FreeWMCursor = WIN_FreeWMCursor;
device->CreateWMCursor = WIN_CreateWMCursor;
device->ShowWMCursor = WIN_ShowWMCursor;
device->WarpWMCursor = WIN_WarpWMCursor;
device->CheckMouseMode = WIN_CheckMouseMode;
device->InitOSKeymap = DIB_InitOSKeymap;
device->PumpEvents = DIB_PumpEvents;
/* Set up the windows message handling functions */
202
WIN_Activate = DIB_Activate;
203
204
205
206
207
208
209
210
211
212
213
214
WIN_RealizePalette = DIB_RealizePalette;
WIN_PaletteChanged = DIB_PaletteChanged;
WIN_WinPAINT = DIB_WinPAINT;
HandleMessage = DIB_HandleMessage;
device->free = DIB_DeleteDevice;
/* We're finally ready */
return device;
}
VideoBootStrap WINDIB_bootstrap = {
215
"windib", "Win95/98/NT/2000/CE GDI",
216
217
218
219
220
221
222
DIB_Available, DIB_CreateDevice
};
static int cmpmodes(const void *va, const void *vb)
{
SDL_Rect *a = *(SDL_Rect **)va;
SDL_Rect *b = *(SDL_Rect **)vb;
223
224
225
226
if ( a->w == b->w )
return b->h - a->h;
else
return b->w - a->w;
227
228
229
230
231
232
233
234
235
}
static int DIB_AddMode(_THIS, int bpp, int w, int h)
{
SDL_Rect *mode;
int i, index;
int next_mode;
/* Check to see if we already have this mode */
236
if ( bpp < 8 || bpp > 32 ) { /* Not supported */
237
238
239
240
241
242
243
244
245
246
247
return(0);
}
index = ((bpp+7)/8)-1;
for ( i=0; i<SDL_nummodes[index]; ++i ) {
mode = SDL_modelist[index][i];
if ( (mode->w == w) && (mode->h == h) ) {
return(0);
}
}
/* Set up the new video mode rectangle */
248
mode = (SDL_Rect *)SDL_malloc(sizeof *mode);
249
250
251
252
253
254
255
256
257
258
259
260
if ( mode == NULL ) {
SDL_OutOfMemory();
return(-1);
}
mode->x = 0;
mode->y = 0;
mode->w = w;
mode->h = h;
/* Allocate the new list of modes, and fill in the new mode */
next_mode = SDL_nummodes[index];
SDL_modelist[index] = (SDL_Rect **)
261
SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
262
263
264
if ( SDL_modelist[index] == NULL ) {
SDL_OutOfMemory();
SDL_nummodes[index] = 0;
265
SDL_free(mode);
266
267
268
269
270
271
272
273
274
return(-1);
}
SDL_modelist[index][next_mode] = mode;
SDL_modelist[index][next_mode+1] = NULL;
SDL_nummodes[index]++;
return(0);
}
275
static void DIB_CreatePalette(_THIS, int bpp)
276
277
278
279
{
/* RJR: March 28, 2000
moved palette creation here from "DIB_VideoInit" */
280
281
282
LOGPALETTE *palette;
HDC hdc;
int ncolors;
283
284
285
286
287
288
289
290
291
292
293
ncolors = (1 << bpp);
palette = (LOGPALETTE *)SDL_malloc(sizeof(*palette)+
ncolors*sizeof(PALETTEENTRY));
palette->palVersion = 0x300;
palette->palNumEntries = ncolors;
hdc = GetDC(SDL_Window);
GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry);
ReleaseDC(SDL_Window, hdc);
screen_pal = CreatePalette(palette);
screen_logpal = palette;
294
295
296
297
}
int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
298
const char *env = NULL;
299
300
301
302
303
304
305
306
307
#ifndef NO_CHANGEDISPLAYSETTINGS
int i;
DEVMODE settings;
#endif
/* Create the window */
if ( DIB_CreateWindow(this) < 0 ) {
return(-1);
}
308
309
#if !SDL_AUDIO_DISABLED
310
DX5_SoundFocus(SDL_Window);
311
#endif
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
/* Determine the screen depth */
vformat->BitsPerPixel = DIB_SussScreenDepth();
switch (vformat->BitsPerPixel) {
case 15:
vformat->Rmask = 0x00007c00;
vformat->Gmask = 0x000003e0;
vformat->Bmask = 0x0000001f;
vformat->BitsPerPixel = 16;
break;
case 16:
vformat->Rmask = 0x0000f800;
vformat->Gmask = 0x000007e0;
vformat->Bmask = 0x0000001f;
break;
case 24:
case 32:
/* GDI defined as 8-8-8 */
vformat->Rmask = 0x00ff0000;
vformat->Gmask = 0x0000ff00;
vformat->Bmask = 0x000000ff;
break;
default:
break;
}
/* See if gamma is supported on this screen */
DIB_CheckGamma(this);
#ifndef NO_CHANGEDISPLAYSETTINGS
342
343
344
345
346
347
348
settings.dmSize = sizeof(DEVMODE);
settings.dmDriverExtra = 0;
#ifdef _WIN32_WCE
settings.dmFields = DM_DISPLAYQUERYORIENTATION;
this->hidden->supportRotation = ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL) == DISP_CHANGE_SUCCESSFUL;
#endif
349
350
/* Query for the desktop resolution */
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode);
351
352
this->info.current_w = SDL_desktop_mode.dmPelsWidth;
this->info.current_h = SDL_desktop_mode.dmPelsHeight;
353
354
355
356
357
/* Query for the list of available video modes */
for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) {
DIB_AddMode(this, settings.dmBitsPerPel,
settings.dmPelsWidth, settings.dmPelsHeight);
358
359
360
361
362
#ifdef _WIN32_WCE
if( this->hidden->supportRotation )
DIB_AddMode(this, settings.dmBitsPerPel,
settings.dmPelsHeight, settings.dmPelsWidth);
#endif
363
364
365
366
}
/* Sort the mode lists */
for ( i=0; i<NUM_MODELISTS; ++i ) {
if ( SDL_nummodes[i] > 0 ) {
367
SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
368
369
}
}
370
371
372
373
374
375
376
#else
// WinCE and fullscreen mode:
// We use only vformat->BitsPerPixel that allow SDL to
// emulate other bpp (8, 32) and use triple buffer,
// because SDL surface conversion is much faster than the WinCE one.
// Although it should be tested on devices with graphics accelerator.
377
DIB_AddMode(this, vformat->BitsPerPixel,
378
379
380
GetDeviceCaps(GetDC(NULL), HORZRES),
GetDeviceCaps(GetDC(NULL), VERTRES));
381
382
383
384
385
386
#endif /* !NO_CHANGEDISPLAYSETTINGS */
/* Grab an identity palette if we are in a palettized mode */
if ( vformat->BitsPerPixel <= 8 ) {
/* RJR: March 28, 2000
moved palette creation to "DIB_CreatePalette" */
387
DIB_CreatePalette(this, vformat->BitsPerPixel);
388
389
390
391
392
}
/* Fill in some window manager capabilities */
this->info.wm_available = 1;
393
394
395
396
#ifdef _WIN32_WCE
this->hidden->origRotation = -1;
#endif
397
398
/* Allow environment override of screensaver disable. */
env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER");
399
400
401
402
403
404
405
406
407
if ( env ) {
allow_screensaver = SDL_atoi(env);
} else {
#ifdef SDL_VIDEO_DISABLE_SCREENSAVER
allow_screensaver = 0;
#else
allow_screensaver = 1;
#endif
}
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
/* We're done! */
return(0);
}
/* We support any format at any dimension */
SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
{
if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
} else {
return((SDL_Rect **)-1);
}
}
/*
Helper fn to work out which screen depth windows is currently using.
15 bit mode is considered 555 format, 16 bit is 565.
returns 0 for unknown mode.
(Derived from code in sept 1999 Windows Developer Journal
http://www.wdj.com/code/archive.html)
*/
static int DIB_SussScreenDepth()
{
#ifdef NO_GETDIBITS
int depth;
HDC hdc;
hdc = GetDC(SDL_Window);
depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
ReleaseDC(SDL_Window, hdc);
return(depth);
#else
442
int depth;
443
444
445
446
447
448
449
450
451
int dib_size;
LPBITMAPINFOHEADER dib_hdr;
HDC hdc;
HBITMAP hbm;
/* Allocate enough space for a DIB header plus palette (for
* 8-bit modes) or bitfields (for 16- and 32-bit modes)
*/
dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD);
452
453
dib_hdr = (LPBITMAPINFOHEADER) SDL_malloc(dib_size);
SDL_memset(dib_hdr, 0, dib_size);
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
dib_hdr->biSize = sizeof(BITMAPINFOHEADER);
/* Get a device-dependent bitmap that's compatible with the
screen.
*/
hdc = GetDC(NULL);
hbm = CreateCompatibleBitmap( hdc, 1, 1 );
/* Convert the DDB to a DIB. We need to call GetDIBits twice:
* the first call just fills in the BITMAPINFOHEADER; the
* second fills in the bitfields or palette.
*/
GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS);
GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS);
DeleteObject(hbm);
ReleaseDC(NULL, hdc);
471
depth = 0;
472
473
switch( dib_hdr->biBitCount )
{
474
475
476
case 8: depth = 8; break;
case 24: depth = 24; break;
case 32: depth = 32; break;
477
478
479
480
case 16:
if( dib_hdr->biCompression == BI_BITFIELDS ) {
/* check the red mask */
switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) {
481
482
case 0xf800: depth = 16; break; /* 565 */
case 0x7c00: depth = 15; break; /* 555 */
483
484
485
}
}
}
486
487
SDL_free(dib_hdr);
return depth;
488
489
490
491
492
493
494
495
496
497
498
#endif /* NO_GETDIBITS */
}
/* Various screen update functions available */
static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects);
SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
SDL_Surface *video;
499
int prev_w, prev_h;
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
Uint32 prev_flags;
DWORD style;
const DWORD directstyle =
(WS_POPUP);
const DWORD windowstyle =
(WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX);
const DWORD resizestyle =
(WS_THICKFRAME|WS_MAXIMIZEBOX);
int binfo_size;
BITMAPINFO *binfo;
HDC hdc;
RECT bounds;
int x, y;
Uint32 Rmask, Gmask, Bmask;
515
516
prev_flags = current->flags;
517
518
519
520
/* Clean up any GL context that may be hanging around */
if ( current->flags & SDL_OPENGL ) {
WIN_GL_ShutDown(this);
}
521
SDL_resizing = 1;
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
/* Recalculate the bitmasks if necessary */
if ( bpp == current->format->BitsPerPixel ) {
video = current;
} else {
switch (bpp) {
case 15:
case 16:
if ( DIB_SussScreenDepth() == 15 ) {
/* 5-5-5 */
Rmask = 0x00007c00;
Gmask = 0x000003e0;
Bmask = 0x0000001f;
} else {
/* 5-6-5 */
Rmask = 0x0000f800;
Gmask = 0x000007e0;
Bmask = 0x0000001f;
}
break;
case 24:
case 32:
/* GDI defined as 8-8-8 */
Rmask = 0x00ff0000;
Gmask = 0x0000ff00;
Bmask = 0x000000ff;
break;
default:
Rmask = 0x00000000;
Gmask = 0x00000000;
Bmask = 0x00000000;
break;
}
video = SDL_CreateRGBSurface(SDL_SWSURFACE,
0, 0, bpp, Rmask, Gmask, Bmask, 0);
if ( video == NULL ) {
SDL_OutOfMemory();
return(NULL);
}
}
/* Fill in part of the video surface */
564
565
prev_w = video->w;
prev_h = video->h;
566
567
568
569
570
video->flags = 0; /* Clear flags */
video->w = width;
video->h = height;
video->pitch = SDL_CalculatePitch(video);
571
572
573
574
575
576
577
578
579
/* Small fix for WinCE/Win32 - when activating window
SDL_VideoSurface is equal to zero, so activating code
is not called properly for fullscreen windows because
macros WINDIB_FULLSCREEN uses SDL_VideoSurface
*/
SDL_VideoSurface = video;
#if defined(_WIN32_WCE)
if ( flags & SDL_FULLSCREEN )
580
581
video->flags |= SDL_FULLSCREEN;
#endif
582
583
584
585
586
#ifndef NO_CHANGEDISPLAYSETTINGS
/* Set fullscreen mode if appropriate */
if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
DEVMODE settings;
587
BOOL changed;
588
589
SDL_memset(&settings, 0, sizeof(DEVMODE));
590
settings.dmSize = sizeof(DEVMODE);
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
#ifdef _WIN32_WCE
// try to rotate screen to fit requested resolution
if( this->hidden->supportRotation )
{
DWORD rotation;
// ask current mode
settings.dmFields = DM_DISPLAYORIENTATION;
ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL);
rotation = settings.dmDisplayOrientation;
if( (width > GetDeviceCaps(GetDC(NULL), HORZRES))
&& (height < GetDeviceCaps(GetDC(NULL), VERTRES)))
{
switch( rotation )
{
case DMDO_0:
settings.dmDisplayOrientation = DMDO_90;
break;
case DMDO_270:
settings.dmDisplayOrientation = DMDO_180;
break;
}
if( settings.dmDisplayOrientation != rotation )
{
// go to landscape
this->hidden->origRotation = rotation;
ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL);
}
}
if( (width < GetDeviceCaps(GetDC(NULL), HORZRES))
&& (height > GetDeviceCaps(GetDC(NULL), VERTRES)))
{
switch( rotation )
{
case DMDO_90:
settings.dmDisplayOrientation = DMDO_0;
break;
case DMDO_180:
settings.dmDisplayOrientation = DMDO_270;
break;
}
if( settings.dmDisplayOrientation != rotation )
{
// go to portrait
this->hidden->origRotation = rotation;
ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL);
}
}
}
#endif
#ifndef _WIN32_WCE
646
647
648
649
settings.dmBitsPerPel = video->format->BitsPerPixel;
settings.dmPelsWidth = width;
settings.dmPelsHeight = height;
settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
650
651
if ( width <= (int)SDL_desktop_mode.dmPelsWidth &&
height <= (int)SDL_desktop_mode.dmPelsHeight ) {
652
653
654
655
656
657
658
659
settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency;
settings.dmFields |= DM_DISPLAYFREQUENCY;
}
changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) {
settings.dmFields &= ~DM_DISPLAYFREQUENCY;
changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL);
}
660
661
662
#else
changed = 1;
#endif
663
if ( changed ) {
664
video->flags |= SDL_FULLSCREEN;
665
SDL_fullscreen_mode = settings;
666
}
667
668
669
670
}
#endif /* !NO_CHANGEDISPLAYSETTINGS */
671
/* Reset the palette and create a new one if necessary */
672
673
674
675
if ( grab_palette ) {
DIB_ReleaseStaticColors(SDL_Window);
grab_palette = FALSE;
}
676
677
678
679
680
681
if ( screen_pal != NULL ) {
/* RJR: March 28, 2000
delete identity palette if switching from a palettized mode */
DeleteObject(screen_pal);
screen_pal = NULL;
}
682
683
684
685
if ( screen_logpal != NULL ) {
SDL_free(screen_logpal);
screen_logpal = NULL;
}
686
687
688
689
690
if ( bpp <= 8 )
{
/* RJR: March 28, 2000
create identity palette switching to a palettized mode */
691
DIB_CreatePalette(this, bpp);
692
693
}
694
style = GetWindowLong(SDL_Window, GWL_STYLE);
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
style &= ~(resizestyle|WS_MAXIMIZE);
if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
style &= ~windowstyle;
style |= directstyle;
} else {
#ifndef NO_CHANGEDISPLAYSETTINGS
if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
ChangeDisplaySettings(NULL, 0);
}
#endif
if ( flags & SDL_NOFRAME ) {
style &= ~windowstyle;
style |= directstyle;
video->flags |= SDL_NOFRAME;
} else {
style &= ~directstyle;
style |= windowstyle;
if ( flags & SDL_RESIZABLE ) {
style |= resizestyle;
video->flags |= SDL_RESIZABLE;
}
}
717
#if WS_MAXIMIZE
718
if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE;
719
#endif
720
}
721
722
/* DJM: Don't piss of anyone who has setup his own window */
723
if ( !SDL_windowid )
724
SetWindowLong(SDL_Window, GWL_STYLE, style);
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
/* Delete the old bitmap if necessary */
if ( screen_bmp != NULL ) {
DeleteObject(screen_bmp);
}
if ( ! (flags & SDL_OPENGL) ) {
BOOL is16bitmode = (video->format->BytesPerPixel == 2);
/* Suss out the bitmap info header */
binfo_size = sizeof(*binfo);
if( is16bitmode ) {
/* 16bit modes, palette area used for rgb bitmasks */
binfo_size += 3*sizeof(DWORD);
} else if ( video->format->palette ) {
binfo_size += video->format->palette->ncolors *
sizeof(RGBQUAD);
}
742
binfo = (BITMAPINFO *)SDL_malloc(binfo_size);
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
if ( ! binfo ) {
if ( video != current ) {
SDL_FreeSurface(video);
}
SDL_OutOfMemory();
return(NULL);
}
binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
binfo->bmiHeader.biWidth = video->w;
binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */
binfo->bmiHeader.biPlanes = 1;
binfo->bmiHeader.biSizeImage = video->h * video->pitch;
binfo->bmiHeader.biXPelsPerMeter = 0;
binfo->bmiHeader.biYPelsPerMeter = 0;
binfo->bmiHeader.biClrUsed = 0;
binfo->bmiHeader.biClrImportant = 0;
binfo->bmiHeader.biBitCount = video->format->BitsPerPixel;
if ( is16bitmode ) {
/* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */
binfo->bmiHeader.biCompression = BI_BITFIELDS;
((Uint32*)binfo->bmiColors)[0] = video->format->Rmask;
((Uint32*)binfo->bmiColors)[1] = video->format->Gmask;
((Uint32*)binfo->bmiColors)[2] = video->format->Bmask;
} else {
binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */
if ( video->format->palette ) {
771
SDL_memset(binfo->bmiColors, 0,
772
773
774
775
776
777
778
779
780
video->format->palette->ncolors*sizeof(RGBQUAD));
}
}
/* Create the offscreen bitmap buffer */
hdc = GetDC(SDL_Window);
screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS,
(void **)(&video->pixels), NULL, 0);
ReleaseDC(SDL_Window, hdc);
781
SDL_free(binfo);
782
783
784
785
786
787
788
789
790
791
if ( screen_bmp == NULL ) {
if ( video != current ) {
SDL_FreeSurface(video);
}
SDL_SetError("Couldn't create DIB section");
return(NULL);
}
this->UpdateRects = DIB_NormalUpdate;
/* Set video surface flags */
792
793
if ( screen_pal && (flags & (SDL_FULLSCREEN|SDL_HWPALETTE)) ) {
grab_palette = TRUE;
794
}
795
796
797
798
if ( screen_pal ) {
/* BitBlt() maps colors for us */
video->flags |= SDL_HWPALETTE;
}
799
}
800
#ifndef _WIN32_WCE
801
/* Resize the window */
802
if ( !SDL_windowid && !IsZoomed(SDL_Window) ) {
803
804
805
#else
if ( !SDL_windowid ) {
#endif
806
HWND top;
807
UINT swp_flags;
808
809
const char *window = NULL;
const char *center = NULL;
810
811
if ( video->w != prev_w || video->h != prev_h ) {
812
813
window = SDL_getenv("SDL_VIDEO_WINDOW_POS");
center = SDL_getenv("SDL_VIDEO_CENTERED");
814
if ( window ) {
815
if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) {
816
817
818
SDL_windowX = x;
SDL_windowY = y;
}
819
if ( SDL_strcmp(window, "center") == 0 ) {
820
821
822
823
824
center = window;
}
}
}
swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW);
825
826
827
828
829
bounds.left = SDL_windowX;
bounds.top = SDL_windowY;
bounds.right = SDL_windowX+video->w;
bounds.bottom = SDL_windowY+video->h;
830
#ifndef _WIN32_WCE
831
AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0);
832
833
834
835
#else
// The bMenu parameter must be FALSE; menu bars are not supported
AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), 0, 0);
#endif
836
837
width = bounds.right-bounds.left;
height = bounds.bottom-bounds.top;
838
839
840
841
842
843
if ( (flags & SDL_FULLSCREEN) ) {
x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
} else if ( center ) {
x = (GetSystemMetrics(SM_CXSCREEN)-width)/2;
y = (GetSystemMetrics(SM_CYSCREEN)-height)/2;
844
845
846
} else if ( SDL_windowX || SDL_windowY || window ) {
x = bounds.left;
y = bounds.top;
847
848
849
850
} else {
x = y = -1;
swp_flags |= SWP_NOMOVE;
}
851
852
853
854
855
856
if ( flags & SDL_FULLSCREEN ) {
top = HWND_TOPMOST;
} else {
top = HWND_NOTOPMOST;
}
SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags);
857
858
859
860
if ( !(flags & SDL_FULLSCREEN) ) {
SDL_windowX = SDL_bounds.left;
SDL_windowY = SDL_bounds.top;
}
861
862
SetForegroundWindow(SDL_Window);
}
863
SDL_resizing = 0;
864
865
866
867
868
869
870
871
/* Set up for OpenGL */
if ( flags & SDL_OPENGL ) {
if ( WIN_GL_SetupWindow(this) < 0 ) {
return(NULL);
}
video->flags |= SDL_OPENGL;
}
872
873
874
875
876
877
878
/* JC 14 Mar 2006
Flush the message loop or this can cause big problems later
Especially if the user decides to use dialog boxes or assert()!
*/
WIN_FlushMessageQueue();
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
/* We're live! */
return(video);
}
/* We don't actually allow hardware surfaces in the DIB driver */
static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface)
{
return(-1);
}
static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface)
{
return;
}
static int DIB_LockHWSurface(_THIS, SDL_Surface *surface)
{
return(0);
}
static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface)
{
return;
}
static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
{
HDC hdc, mdc;
int i;
hdc = GetDC(SDL_Window);
if ( screen_pal ) {
SelectPalette(hdc, screen_pal, FALSE);
}
mdc = CreateCompatibleDC(hdc);
SelectObject(mdc, screen_bmp);
for ( i=0; i<numrects; ++i ) {
BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h,
mdc, rects[i].x, rects[i].y, SRCCOPY);
}
DeleteDC(mdc);
ReleaseDC(SDL_Window, hdc);
}
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
static int FindPaletteIndex(LOGPALETTE *pal, BYTE r, BYTE g, BYTE b)
{
PALETTEENTRY *entry;
int i;
int nentries = pal->palNumEntries;
for ( i = 0; i < nentries; ++i ) {
entry = &pal->palPalEntry[i];
if ( entry->peRed == r && entry->peGreen == g && entry->peBlue == b ) {
return i;
}
}
return -1;
}
static BOOL CheckPaletteEntry(LOGPALETTE *pal, int index, BYTE r, BYTE g, BYTE b)
{
PALETTEENTRY *entry;
BOOL moved = 0;
entry = &pal->palPalEntry[index];
if ( entry->peRed != r || entry->peGreen != g || entry->peBlue != b ) {
int found = FindPaletteIndex(pal, r, g, b);
if ( found >= 0 ) {
pal->palPalEntry[found] = *entry;
}
entry->peRed = r;
entry->peGreen = g;
entry->peBlue = b;
moved = 1;
}
entry->peFlags = 0;
return moved;
}
955
956
957
int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
{
958
959
#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
HDC hdc, mdc;
960
RGBQUAD *pal;
961
#else
962
HDC hdc;
963
#endif
964
int i;
965
int moved_entries = 0;
966
967
968
969
/* Update the display palette */
hdc = GetDC(SDL_Window);
if ( screen_pal ) {
970
PALETTEENTRY *entry;
971
972
for ( i=0; i<ncolors; ++i ) {
973
974
975
976
977
978
entry = &screen_logpal->palPalEntry[firstcolor+i];
entry->peRed = colors[i].r;
entry->peGreen = colors[i].g;
entry->peBlue = colors[i].b;
entry->peFlags = PC_NOCOLLAPSE;
}
979
#ifdef SYSPAL_NOSTATIC
980
981
982
983
/* Check to make sure black and white are in position */
if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) {
moved_entries += CheckPaletteEntry(screen_logpal, 0, 0x00, 0x00, 0x00);
moved_entries += CheckPaletteEntry(screen_logpal, screen_logpal->palNumEntries-1, 0xff, 0xff, 0xff);
984
}
985
986
987
988
989
990
/* FIXME:
If we don't have full access to the palette, what we
really want to do is find the 236 most diverse colors
in the desired palette, set those entries (10-245) and
then map everything into the new system palette.
*/
991
#endif
993
#ifndef _WIN32_WCE
994
995
/* Copy the entries into the system palette */
UnrealizeObject(screen_pal);
996
#endif
997
SetPaletteEntries(screen_pal, 0, screen_logpal->palNumEntries, screen_logpal->palPalEntry);
998
999
1000
SelectPalette(hdc, screen_pal, FALSE);
RealizePalette(hdc);
}