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comparison test/testwm.c @ 826:3eddf51b649b

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Showed how to toggle fullscreen mode if the API isn't supported
author Sam Lantinga <slouken@libsdl.org>
date Sun, 15 Feb 2004 20:31:27 +0000
parents a30b17e09cc0
children be9c9c8f6d53
comparison
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825:618fcc5861c8 826:3eddf51b649b
7 7
8 #include "SDL.h" 8 #include "SDL.h"
9 9
10 /* Is the cursor visible? */ 10 /* Is the cursor visible? */
11 static int visible = 1; 11 static int visible = 1;
12
13 static Uint8 video_bpp;
14 static Uint32 video_flags;
15
16 int SetVideoMode(int w, int h)
17 {
18 SDL_Surface *screen;
19 int i;
20 Uint8 *buffer;
21 SDL_Color palette[256];
22
23 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags);
24 if ( screen == NULL ) {
25 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
26 w, h, video_bpp, SDL_GetError());
27 return(-1);
28 }
29 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
30 "fullscreen" : "windowed");
31
32 /* Set the surface pixels and refresh! */
33 for ( i=0; i<256; ++i ) {
34 palette[i].r = 255-i;
35 palette[i].g = 255-i;
36 palette[i].b = 255-i;
37 }
38 SDL_SetColors(screen, palette, 0, 256);
39 if ( SDL_LockSurface(screen) < 0 ) {
40 fprintf(stderr, "Couldn't lock display surface: %s\n",
41 SDL_GetError());
42 return(-1);
43 }
44 buffer = (Uint8 *)screen->pixels;
45 for ( i=0; i<screen->h; ++i ) {
46 memset(buffer,(i*255)/screen->h,
47 screen->w*screen->format->BytesPerPixel);
48 buffer += screen->pitch;
49 }
50 SDL_UnlockSurface(screen);
51 SDL_UpdateRect(screen, 0, 0, 0, 0);
52
53 return(0);
54 }
12 55
13 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp) 56 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp)
14 { 57 {
15 SDL_Surface *icon; 58 SDL_Surface *icon;
16 Uint8 *pixels; 59 Uint8 *pixels;
77 if ( SDL_WM_ToggleFullScreen(screen) ) { 120 if ( SDL_WM_ToggleFullScreen(screen) ) {
78 printf("Toggled fullscreen mode - now %s\n", 121 printf("Toggled fullscreen mode - now %s\n",
79 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); 122 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed");
80 } else { 123 } else {
81 printf("Unable to toggle fullscreen mode\n"); 124 printf("Unable to toggle fullscreen mode\n");
125 video_flags ^= SDL_FULLSCREEN;
126 SetVideoMode(screen->w, screen->h);
82 } 127 }
83 } 128 }
84 129
85 void HotKey_ToggleGrab(void) 130 void HotKey_ToggleGrab(void)
86 { 131 {
203 248
204 /* Drop all other events */ 249 /* Drop all other events */
205 default: 250 default:
206 return(0); 251 return(0);
207 } 252 }
208 }
209
210 static Uint8 video_bpp;
211 static Uint32 video_flags;
212
213 int SetVideoMode(int w, int h)
214 {
215 SDL_Surface *screen;
216 int i;
217 Uint8 *buffer;
218 SDL_Color palette[256];
219
220 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags);
221 if ( screen == NULL ) {
222 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
223 w, h, video_bpp, SDL_GetError());
224 return(-1);
225 }
226 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
227 "fullscreen" : "windowed");
228
229 /* Set the surface pixels and refresh! */
230 for ( i=0; i<256; ++i ) {
231 palette[i].r = 255-i;
232 palette[i].g = 255-i;
233 palette[i].b = 255-i;
234 }
235 SDL_SetColors(screen, palette, 0, 256);
236 if ( SDL_LockSurface(screen) < 0 ) {
237 fprintf(stderr, "Couldn't lock display surface: %s\n",
238 SDL_GetError());
239 return(-1);
240 }
241 buffer = (Uint8 *)screen->pixels;
242 for ( i=0; i<screen->h; ++i ) {
243 memset(buffer,(i*255)/screen->h,
244 screen->w*screen->format->BytesPerPixel);
245 buffer += screen->pitch;
246 }
247 SDL_UnlockSurface(screen);
248 SDL_UpdateRect(screen, 0, 0, 0, 0);
249
250 return(0);
251 } 253 }
252 254
253 int main(int argc, char *argv[]) 255 int main(int argc, char *argv[])
254 { 256 {
255 SDL_Event event; 257 SDL_Event event;