test/testbitmap.c
changeset 1895 c121d94672cb
parent 1151 be9c9c8f6d53
child 2431 7e449145b6ca
child 2765 f55c87ae336b
--- a/test/testbitmap.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/test/testbitmap.c	Mon Jul 10 21:04:37 2006 +0000
@@ -9,176 +9,174 @@
 #include "picture.xbm"
 
 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
-static void quit(int rc)
+static void
+quit(int rc)
 {
-	SDL_Quit();
-	exit(rc);
+    SDL_Quit();
+    exit(rc);
 }
 
-SDL_Surface *LoadXBM(SDL_Surface *screen, int w, int h, Uint8 *bits)
+SDL_Surface *
+LoadXBM(SDL_Surface * screen, int w, int h, Uint8 * bits)
 {
-	SDL_Surface *bitmap;
-	Uint8 *line;
+    SDL_Surface *bitmap;
+    Uint8 *line;
 
-	/* Allocate the bitmap */
-	bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0);
-	if ( bitmap == NULL ) {
-		fprintf(stderr, "Couldn't allocate bitmap: %s\n",
-						SDL_GetError());
-		return(NULL);
-	}
+    /* Allocate the bitmap */
+    bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0);
+    if (bitmap == NULL) {
+        fprintf(stderr, "Couldn't allocate bitmap: %s\n", SDL_GetError());
+        return (NULL);
+    }
 
-	/* Copy the pixels */
-	line = (Uint8 *)bitmap->pixels;
-	w = (w+7)/8;
-	while ( h-- ) {
-		memcpy(line, bits, w);
-		/* X11 Bitmap images have the bits reversed */
-		{ int i, j; Uint8 *buf, byte;
-			for ( buf=line, i=0; i<w; ++i, ++buf ) {
-				byte = *buf;
-				*buf = 0;
-				for ( j=7; j>=0; --j ) {
-					*buf |= (byte&0x01)<<j;
-					byte >>= 1;
-				}
-			}
-		}
-		line += bitmap->pitch;
-		bits += w;
-	}
-	return(bitmap);
+    /* Copy the pixels */
+    line = (Uint8 *) bitmap->pixels;
+    w = (w + 7) / 8;
+    while (h--) {
+        memcpy(line, bits, w);
+        /* X11 Bitmap images have the bits reversed */
+        {
+            int i, j;
+            Uint8 *buf, byte;
+            for (buf = line, i = 0; i < w; ++i, ++buf) {
+                byte = *buf;
+                *buf = 0;
+                for (j = 7; j >= 0; --j) {
+                    *buf |= (byte & 0x01) << j;
+                    byte >>= 1;
+                }
+            }
+        }
+        line += bitmap->pitch;
+        bits += w;
+    }
+    return (bitmap);
 }
 
-int main(int argc, char *argv[])
+int
+main(int argc, char *argv[])
 {
-	SDL_Surface *screen;
-	SDL_Surface *bitmap;
-	Uint8  video_bpp;
-	Uint32 videoflags;
-	Uint8 *buffer;
-	int i, k, done;
-	SDL_Event event;
-	Uint16 *buffer16;
-        Uint16 color;
-        Uint8  gradient;
-	SDL_Color palette[256];
+    SDL_Surface *screen;
+    SDL_Surface *bitmap;
+    Uint8 video_bpp;
+    Uint32 videoflags;
+    Uint8 *buffer;
+    int i, k, done;
+    SDL_Event event;
+    Uint16 *buffer16;
+    Uint16 color;
+    Uint8 gradient;
+    SDL_Color palette[256];
 
 
-	/* Initialize SDL */
-	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
-		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
-		return(1);
-	}
+    /* Initialize SDL */
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
+        return (1);
+    }
 
-	video_bpp = 0;
-	videoflags = SDL_SWSURFACE;
-	while ( argc > 1 ) {
-		--argc;
-		if ( strcmp(argv[argc-1], "-bpp") == 0 ) {
-			video_bpp = atoi(argv[argc]);
-			--argc;
-		} else
-		if ( strcmp(argv[argc], "-warp") == 0 ) {
-			videoflags |= SDL_HWPALETTE;
-		} else
-		if ( strcmp(argv[argc], "-hw") == 0 ) {
-			videoflags |= SDL_HWSURFACE;
-		} else
-		if ( strcmp(argv[argc], "-fullscreen") == 0 ) {
-			videoflags |= SDL_FULLSCREEN;
-		} else {
-			fprintf(stderr,
-			"Usage: %s [-bpp N] [-warp] [-hw] [-fullscreen]\n",
-								argv[0]);
-			quit(1);
-		}
-	}
+    video_bpp = 0;
+    videoflags = SDL_SWSURFACE;
+    while (argc > 1) {
+        --argc;
+        if (strcmp(argv[argc - 1], "-bpp") == 0) {
+            video_bpp = atoi(argv[argc]);
+            --argc;
+        } else if (strcmp(argv[argc], "-warp") == 0) {
+            videoflags |= SDL_HWPALETTE;
+        } else if (strcmp(argv[argc], "-hw") == 0) {
+            videoflags |= SDL_HWSURFACE;
+        } else if (strcmp(argv[argc], "-fullscreen") == 0) {
+            videoflags |= SDL_FULLSCREEN;
+        } else {
+            fprintf(stderr,
+                    "Usage: %s [-bpp N] [-warp] [-hw] [-fullscreen]\n",
+                    argv[0]);
+            quit(1);
+        }
+    }
 
-	/* Set 640x480 video mode */
-	if ( (screen=SDL_SetVideoMode(640,480,video_bpp,videoflags)) == NULL ) {
-		fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
-						video_bpp, SDL_GetError());
-		quit(2);
-	}
+    /* Set 640x480 video mode */
+    if ((screen = SDL_SetVideoMode(640, 480, video_bpp, videoflags)) == NULL) {
+        fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
+                video_bpp, SDL_GetError());
+        quit(2);
+    }
 
-	if (video_bpp==8) {
-		/* Set a gray colormap, reverse order from white to black */
-		for ( i=0; i<256; ++i ) {
-			palette[i].r = 255-i;
-			palette[i].g = 255-i;
-			palette[i].b = 255-i;
-		}
-		SDL_SetColors(screen, palette, 0, 256);
-	}
+    if (video_bpp == 8) {
+        /* Set a gray colormap, reverse order from white to black */
+        for (i = 0; i < 256; ++i) {
+            palette[i].r = 255 - i;
+            palette[i].g = 255 - i;
+            palette[i].b = 255 - i;
+        }
+        SDL_SetColors(screen, palette, 0, 256);
+    }
 
-	/* Set the surface pixels and refresh! */
-	if ( SDL_LockSurface(screen) < 0 ) {
-		fprintf(stderr, "Couldn't lock the display surface: %s\n",
-							SDL_GetError());
-		quit(2);
-	}
-	buffer=(Uint8 *)screen->pixels;
-	if (screen->format->BytesPerPixel!=2) {
-        	for ( i=0; i<screen->h; ++i ) {
-        		memset(buffer,(i*255)/screen->h, screen->pitch);
-        		buffer += screen->pitch;
-        	}
+    /* Set the surface pixels and refresh! */
+    if (SDL_LockSurface(screen) < 0) {
+        fprintf(stderr, "Couldn't lock the display surface: %s\n",
+                SDL_GetError());
+        quit(2);
+    }
+    buffer = (Uint8 *) screen->pixels;
+    if (screen->format->BytesPerPixel != 2) {
+        for (i = 0; i < screen->h; ++i) {
+            memset(buffer, (i * 255) / screen->h, screen->pitch);
+            buffer += screen->pitch;
         }
-        else
-        {
-		for ( i=0; i<screen->h; ++i ) {
-			gradient=((i*255)/screen->h);
-                        color = SDL_MapRGB(screen->format, gradient, gradient, gradient);
-                        buffer16=(Uint16*)buffer;
-                        for (k=0; k<screen->w; k++)
-                        {
-                            *(buffer16+k)=color;
-                        }
-			buffer += screen->pitch;
-		}
+    } else {
+        for (i = 0; i < screen->h; ++i) {
+            gradient = ((i * 255) / screen->h);
+            color = SDL_MapRGB(screen->format, gradient, gradient, gradient);
+            buffer16 = (Uint16 *) buffer;
+            for (k = 0; k < screen->w; k++) {
+                *(buffer16 + k) = color;
+            }
+            buffer += screen->pitch;
         }
-	SDL_UnlockSurface(screen);
-	SDL_UpdateRect(screen, 0, 0, 0, 0);
+    }
+    SDL_UnlockSurface(screen);
+    SDL_UpdateRect(screen, 0, 0, 0, 0);
+
+    /* Load the bitmap */
+    bitmap = LoadXBM(screen, picture_width, picture_height,
+                     (Uint8 *) picture_bits);
+    if (bitmap == NULL) {
+        quit(1);
+    }
 
-	/* Load the bitmap */
-	bitmap = LoadXBM(screen, picture_width, picture_height,
-					(Uint8 *)picture_bits);
-	if ( bitmap == NULL ) {
-		quit(1);
-	}
-
-	/* Wait for a keystroke */
-	done = 0;
-	while ( !done ) {
-		/* Check for events */
-		while ( SDL_PollEvent(&event) ) {
-			switch (event.type) {
-				case SDL_MOUSEBUTTONDOWN: {
-					SDL_Rect dst;
+    /* Wait for a keystroke */
+    done = 0;
+    while (!done) {
+        /* Check for events */
+        while (SDL_PollEvent(&event)) {
+            switch (event.type) {
+            case SDL_MOUSEBUTTONDOWN:
+                {
+                    SDL_Rect dst;
 
-					dst.x = event.button.x - bitmap->w/2;
-					dst.y = event.button.y - bitmap->h/2;
-					dst.w = bitmap->w;
-					dst.h = bitmap->h;
-					SDL_BlitSurface(bitmap, NULL,
-								screen, &dst);
-					SDL_UpdateRects(screen,1,&dst);
-					}
-					break;
-				case SDL_KEYDOWN:
-					/* Any key press quits the app... */
-					done = 1;
-					break;
-				case SDL_QUIT:
-					done = 1;
-					break;
-				default:
-					break;
-			}
-		}
-	}
-	SDL_FreeSurface(bitmap);
-	SDL_Quit();
-	return(0);
+                    dst.x = event.button.x - bitmap->w / 2;
+                    dst.y = event.button.y - bitmap->h / 2;
+                    dst.w = bitmap->w;
+                    dst.h = bitmap->h;
+                    SDL_BlitSurface(bitmap, NULL, screen, &dst);
+                    SDL_UpdateRects(screen, 1, &dst);
+                }
+                break;
+            case SDL_KEYDOWN:
+                /* Any key press quits the app... */
+                done = 1;
+                break;
+            case SDL_QUIT:
+                done = 1;
+                break;
+            default:
+                break;
+            }
+        }
+    }
+    SDL_FreeSurface(bitmap);
+    SDL_Quit();
+    return (0);
 }