Mercurial > sdl-ios-xcode
view test/testoverlay.c @ 4425:a3e71b957215
Fixed bug #961
Kalle Olavi Niemitalo 2010-02-28 09:15:50 PST
It seems the SDLK_LMETA and SDLK_RMETA constants have been removed from SDL
1.3. I grepped for them in the SDL source tree and these were the only hits:
./include/SDL_compat.h:230:#define SDLK_LSUPER SDLK_LMETA
./include/SDL_compat.h:231:#define SDLK_RSUPER SDLK_RMETA
./src/video/bwindow/SDL_BWin.h:194: keymap[0x66] = SDLK_LMETA;
./src/video/bwindow/SDL_BWin.h:195: keymap[0x67] = SDLK_RMETA;
I don't know how compatible SDL 1.3 is supposed to be with applications
designed for SDL 1.2. However, as you can see, SDL itself is still trying to
use the removed constants, and that is clearly a bug.
Because SDL_compat.h defines KMOD_LMETA as KMOD_LGUI, I suppose it should also
define SDLK_LMETA as SDLK_LGUI, and SDLK_RMETA likewise.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 09 Mar 2010 06:07:48 +0000 |
parents | c785543d1843 |
children | 27ab20a36eba |
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/* Bring up a window and play with it */ #include <stdlib.h> #include <stdio.h> #include <string.h> #define BENCHMARK_SDL #define NOTICE(X) printf("%s", X); #define WINDOW_WIDTH 640 #define WINDOW_HEIGHT 480 #include "SDL.h" SDL_Surface *screen, *pic; SDL_Overlay *overlay; int scale; int monochrome; int luminance; int w, h; /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ static void quit(int rc) { SDL_Quit(); exit(rc); } /* NOTE: These RGB conversion functions are not intended for speed, only as examples. */ void RGBtoYUV(Uint8 * rgb, int *yuv, int monochrome, int luminance) { if (monochrome) { #if 1 /* these are the two formulas that I found on the FourCC site... */ yuv[0] = 0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]; yuv[1] = 128; yuv[2] = 128; #else yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; yuv[1] = 128; yuv[2] = 128; #endif } else { #if 1 /* these are the two formulas that I found on the FourCC site... */ yuv[0] = 0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]; yuv[1] = (rgb[2] - yuv[0]) * 0.565 + 128; yuv[2] = (rgb[0] - yuv[0]) * 0.713 + 128; #else yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]); yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]); #endif } if (luminance != 100) { yuv[0] = yuv[0] * luminance / 100; if (yuv[0] > 255) yuv[0] = 255; } /* clamp values...if you need to, we don't seem to have a need */ /* for(i=0;i<3;i++) { if(yuv[i]<0) yuv[i]=0; if(yuv[i]>255) yuv[i]=255; } */ } void ConvertRGBtoYV12(SDL_Surface * s, SDL_Overlay * o, int monochrome, int luminance) { int x, y; int yuv[3]; Uint8 *p, *op[3]; SDL_LockSurface(s); SDL_LockYUVOverlay(o); /* Black initialization */ /* memset(o->pixels[0],0,o->pitches[0]*o->h); memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2)); memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2)); */ /* Convert */ for (y = 0; y < s->h && y < o->h; y++) { p = ((Uint8 *) s->pixels) + s->pitch * y; op[0] = o->pixels[0] + o->pitches[0] * y; op[1] = o->pixels[1] + o->pitches[1] * (y / 2); op[2] = o->pixels[2] + o->pitches[2] * (y / 2); for (x = 0; x < s->w && x < o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); *(op[0]++) = yuv[0]; if (x % 2 == 0 && y % 2 == 0) { *(op[1]++) = yuv[2]; *(op[2]++) = yuv[1]; } p += s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoIYUV(SDL_Surface * s, SDL_Overlay * o, int monochrome, int luminance) { int x, y; int yuv[3]; Uint8 *p, *op[3]; SDL_LockSurface(s); SDL_LockYUVOverlay(o); /* Black initialization */ /* memset(o->pixels[0],0,o->pitches[0]*o->h); memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2)); memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2)); */ /* Convert */ for (y = 0; y < s->h && y < o->h; y++) { p = ((Uint8 *) s->pixels) + s->pitch * y; op[0] = o->pixels[0] + o->pitches[0] * y; op[1] = o->pixels[1] + o->pitches[1] * (y / 2); op[2] = o->pixels[2] + o->pitches[2] * (y / 2); for (x = 0; x < s->w && x < o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); *(op[0]++) = yuv[0]; if (x % 2 == 0 && y % 2 == 0) { *(op[1]++) = yuv[1]; *(op[2]++) = yuv[2]; } p += s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoUYVY(SDL_Surface * s, SDL_Overlay * o, int monochrome, int luminance) { int x, y; int yuv[3]; Uint8 *p, *op; SDL_LockSurface(s); SDL_LockYUVOverlay(o); for (y = 0; y < s->h && y < o->h; y++) { p = ((Uint8 *) s->pixels) + s->pitch * y; op = o->pixels[0] + o->pitches[0] * y; for (x = 0; x < s->w && x < o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); if (x % 2 == 0) { *(op++) = yuv[1]; *(op++) = yuv[0]; *(op++) = yuv[2]; } else *(op++) = yuv[0]; p += s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoYVYU(SDL_Surface * s, SDL_Overlay * o, int monochrome, int luminance) { int x, y; int yuv[3]; Uint8 *p, *op; SDL_LockSurface(s); SDL_LockYUVOverlay(o); for (y = 0; y < s->h && y < o->h; y++) { p = ((Uint8 *) s->pixels) + s->pitch * y; op = o->pixels[0] + o->pitches[0] * y; for (x = 0; x < s->w && x < o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); if (x % 2 == 0) { *(op++) = yuv[0]; *(op++) = yuv[2]; op[1] = yuv[1]; } else { *op = yuv[0]; op += 2; } p += s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoYUY2(SDL_Surface * s, SDL_Overlay * o, int monochrome, int luminance) { int x, y; int yuv[3]; Uint8 *p, *op; SDL_LockSurface(s); SDL_LockYUVOverlay(o); for (y = 0; y < s->h && y < o->h; y++) { p = ((Uint8 *) s->pixels) + s->pitch * y; op = o->pixels[0] + o->pitches[0] * y; for (x = 0; x < s->w && x < o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); if (x % 2 == 0) { *(op++) = yuv[0]; *(op++) = yuv[1]; op[1] = yuv[2]; } else { *op = yuv[0]; op += 2; } p += s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void Draw() { SDL_Rect rect; int i; int disp; if (!scale) { rect.w = overlay->w; rect.h = overlay->h; for (i = 0; i < h - rect.h && i < w - rect.w; i++) { rect.x = i; rect.y = i; SDL_DisplayYUVOverlay(overlay, &rect); } } else { rect.w = overlay->w / 2; rect.h = overlay->h / 2; rect.x = (w - rect.w) / 2; rect.y = (h - rect.h) / 2; disp = rect.y - 1; for (i = 0; i < disp; i++) { rect.w += 2; rect.h += 2; rect.x--; rect.y--; SDL_DisplayYUVOverlay(overlay, &rect); } } printf("Displayed %d times.\n", i); } static void PrintUsage(char *argv0) { fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0); fprintf(stderr, "Where 'arg' is one of:\n"); fprintf(stderr, " -delay <seconds>\n"); fprintf(stderr, " -width <pixels>\n"); fprintf(stderr, " -height <pixels>\n"); fprintf(stderr, " -bpp <bits>\n"); fprintf(stderr, " -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n"); fprintf(stderr, " -hw\n"); fprintf(stderr, " -flip\n"); fprintf(stderr, " -scale (test scaling features, from 50%% upto window size)\n"); fprintf(stderr, " -mono (use monochromatic RGB2YUV conversion)\n"); fprintf(stderr, " -lum <perc> (use luminance correction during RGB2YUV conversion,\n"); fprintf(stderr, " from 0%% to unlimited, normal is 100%%)\n"); fprintf(stderr, " -help (shows this help)\n"); fprintf(stderr, " -fullscreen (test overlay in fullscreen mode)\n"); } int main(int argc, char **argv) { char *argv0 = argv[0]; int flip; int delay; int desired_bpp; Uint32 video_flags, overlay_format; char *bmpfile; #ifdef BENCHMARK_SDL Uint32 then, now; #endif int i; /* Set default options and check command-line */ flip = 0; scale = 0; monochrome = 0; luminance = 100; delay = 1; w = WINDOW_WIDTH; h = WINDOW_HEIGHT; desired_bpp = 0; video_flags = 0; overlay_format = SDL_YV12_OVERLAY; while (argc > 1) { if (strcmp(argv[1], "-delay") == 0) { if (argv[2]) { delay = atoi(argv[2]); argv += 2; argc -= 2; } else { fprintf(stderr, "The -delay option requires an argument\n"); return (1); } } else if (strcmp(argv[1], "-width") == 0) { if (argv[2] && ((w = atoi(argv[2])) > 0)) { argv += 2; argc -= 2; } else { fprintf(stderr, "The -width option requires an argument\n"); return (1); } } else if (strcmp(argv[1], "-height") == 0) { if (argv[2] && ((h = atoi(argv[2])) > 0)) { argv += 2; argc -= 2; } else { fprintf(stderr, "The -height option requires an argument\n"); return (1); } } else if (strcmp(argv[1], "-bpp") == 0) { if (argv[2]) { desired_bpp = atoi(argv[2]); argv += 2; argc -= 2; } else { fprintf(stderr, "The -bpp option requires an argument\n"); return (1); } } else if (strcmp(argv[1], "-lum") == 0) { if (argv[2]) { luminance = atoi(argv[2]); argv += 2; argc -= 2; } else { fprintf(stderr, "The -lum option requires an argument\n"); return (1); } } else if (strcmp(argv[1], "-format") == 0) { if (argv[2]) { if (!strcmp(argv[2], "YV12")) overlay_format = SDL_YV12_OVERLAY; else if (!strcmp(argv[2], "IYUV")) overlay_format = SDL_IYUV_OVERLAY; else if (!strcmp(argv[2], "YUY2")) overlay_format = SDL_YUY2_OVERLAY; else if (!strcmp(argv[2], "UYVY")) overlay_format = SDL_UYVY_OVERLAY; else if (!strcmp(argv[2], "YVYU")) overlay_format = SDL_YVYU_OVERLAY; else { fprintf(stderr, "The -format option %s is not recognized\n", argv[2]); return (1); } argv += 2; argc -= 2; } else { fprintf(stderr, "The -format option requires an argument\n"); return (1); } } else if (strcmp(argv[1], "-hw") == 0) { video_flags |= SDL_HWSURFACE; argv += 1; argc -= 1; } else if (strcmp(argv[1], "-flip") == 0) { video_flags |= SDL_DOUBLEBUF; argv += 1; argc -= 1; } else if (strcmp(argv[1], "-scale") == 0) { scale = 1; argv += 1; argc -= 1; } else if (strcmp(argv[1], "-mono") == 0) { monochrome = 1; argv += 1; argc -= 1; } else if ((strcmp(argv[1], "-help") == 0) || (strcmp(argv[1], "-h") == 0)) { PrintUsage(argv0); return (1); } else if (strcmp(argv[1], "-fullscreen") == 0) { video_flags |= SDL_FULLSCREEN; argv += 1; argc -= 1; } else break; } if (SDL_Init(SDL_INIT_VIDEO) < 0) { fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); return (1); } /* Initialize the display */ screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags); if (screen == NULL) { fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", w, h, desired_bpp, SDL_GetError()); quit(1); } printf("Set%s %dx%dx%d mode\n", screen->flags & SDL_FULLSCREEN ? " fullscreen" : "", screen->w, screen->h, screen->format->BitsPerPixel); printf("(video surface located in %s memory)\n", (screen->flags & SDL_HWSURFACE) ? "video" : "system"); if (screen->flags & SDL_DOUBLEBUF) { printf("Double-buffering enabled\n"); flip = 1; } /* Set the window manager title bar */ SDL_WM_SetCaption("SDL test overlay", "testoverlay"); /* Load picture */ bmpfile = (argv[1] ? argv[1] : "sample.bmp"); pic = SDL_LoadBMP(bmpfile); if (pic == NULL) { fprintf(stderr, "Couldn't load %s: %s\n", bmpfile, SDL_GetError()); quit(1); } /* Convert the picture to 32bits, for easy conversion */ { SDL_Surface *newsurf; SDL_PixelFormat format; format.palette = NULL; format.BitsPerPixel = 32; format.BytesPerPixel = 4; #if SDL_BYTEORDER == SDL_LIL_ENDIAN format.Rshift = 0; format.Gshift = 8; format.Bshift = 16; #else format.Rshift = 24; format.Gshift = 16; format.Bshift = 8; #endif format.Ashift = 0; format.Rmask = 0xff << format.Rshift; format.Gmask = 0xff << format.Gshift; format.Bmask = 0xff << format.Bshift; format.Amask = 0; format.Rloss = 0; format.Gloss = 0; format.Bloss = 0; format.Aloss = 8; newsurf = SDL_ConvertSurface(pic, &format, SDL_SWSURFACE); if (!newsurf) { fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n", SDL_GetError()); quit(1); } SDL_FreeSurface(pic); pic = newsurf; } /* Create the overlay */ overlay = SDL_CreateYUVOverlay(pic->w, pic->h, overlay_format, screen); if (overlay == NULL) { fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError()); quit(1); } printf("Created %dx%dx%d %s %s overlay\n", overlay->w, overlay->h, overlay->planes, overlay->hw_overlay ? "hardware" : "software", overlay->format == SDL_YV12_OVERLAY ? "YV12" : overlay->format == SDL_IYUV_OVERLAY ? "IYUV" : overlay->format == SDL_YUY2_OVERLAY ? "YUY2" : overlay->format == SDL_UYVY_OVERLAY ? "UYVY" : overlay->format == SDL_YVYU_OVERLAY ? "YVYU" : "Unknown"); for (i = 0; i < overlay->planes; i++) { printf(" plane %d: pitch=%d\n", i, overlay->pitches[i]); } /* Convert to YUV, and draw to the overlay */ #ifdef BENCHMARK_SDL then = SDL_GetTicks(); #endif switch (overlay->format) { case SDL_YV12_OVERLAY: ConvertRGBtoYV12(pic, overlay, monochrome, luminance); break; case SDL_UYVY_OVERLAY: ConvertRGBtoUYVY(pic, overlay, monochrome, luminance); break; case SDL_YVYU_OVERLAY: ConvertRGBtoYVYU(pic, overlay, monochrome, luminance); break; case SDL_YUY2_OVERLAY: ConvertRGBtoYUY2(pic, overlay, monochrome, luminance); break; case SDL_IYUV_OVERLAY: ConvertRGBtoIYUV(pic, overlay, monochrome, luminance); break; default: printf("cannot convert RGB picture to obtained YUV format!\n"); quit(1); break; } #ifdef BENCHMARK_SDL now = SDL_GetTicks(); printf("Conversion Time: %d milliseconds\n", now - then); #endif /* Do all the drawing work */ #ifdef BENCHMARK_SDL then = SDL_GetTicks(); #endif Draw(); #ifdef BENCHMARK_SDL now = SDL_GetTicks(); printf("Time: %d milliseconds\n", now - then); #endif SDL_Delay(delay * 1000); SDL_Quit(); return (0); }