Mercurial > sdl-ios-xcode
diff test/testshape.c @ 4802:f14a8c05f5bb
Minor bugfixes. testshape now draws a shaped window with bizarre, pixellated gashes of transparency across it, and in doing so seems to hog a system resource and slow the rest of the video system down.
author | Eli Gottlieb <eligottlieb@gmail.com> |
---|---|
date | Sun, 18 Jul 2010 23:05:40 -0400 |
parents | 6d4be626225f |
children | a4c1df880690 |
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--- a/test/testshape.c Sun Jul 18 22:24:52 2010 -0400 +++ b/test/testshape.c Sun Jul 18 23:05:40 2010 -0400 @@ -27,8 +27,8 @@ for(i=0;i<num_pictures;i++) pictures[i] = NULL; for(i=0;i<num_pictures;i++) { - SDL_Surface *original = SDL_LoadBMP(argv[i+1]); - if(original == NULL) { + pictures[i] = SDL_LoadBMP(argv[i+1]); + if(pictures[i] == NULL) { int j = 0; for(j=0;j<num_pictures;j++) if(pictures[j] != NULL) @@ -38,43 +38,6 @@ printf("Could not load surface from named bitmap file.\n"); exit(-3); } - //THIS CONVERSION ROUTINE IS FRAGILE! It relies in the fact that only certain portions of the format structure must be filled in to use it. - SDL_PixelFormat format = {NULL,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; - int bpp = 0; - SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_RGBA8888,&bpp,&format.Rmask,&format.Gmask,&format.Bmask,&format.Amask); - format.BitsPerPixel = bpp; - format.BytesPerPixel = format.BitsPerPixel / 8 + (format.BitsPerPixel % 8 > 0 ? 1 : 0); - pictures[i] = SDL_ConvertSurface(original,&format,0); - //We have no more need of the original now that we have our desired format. - SDL_FreeSurface(original); - if(pictures[i] == NULL) { - int j = 0; - for(j=0;j<num_pictures;j++) - if(pictures[j] != NULL) - SDL_FreeSurface(pictures[j]); - free(pictures); - SDL_VideoQuit(); - printf("Could not convert bitmap surface to desired format.\n"); - exit(-3); - } - - if(SDL_MUSTLOCK(pictures[i])) - SDL_LockSurface(pictures[i]); - - void* pixels = pictures[i]->pixels; - unsigned int pitch = pictures[i]->pitch; - int y =0,x = 0; - for(y=0;y<pictures[i]->h;y++) - for(x=0;x<pictures[i]->w;x++) { - Uint32* pixel = pixels + y * pitch + x * pictures[i]->format->BytesPerPixel; - Uint8 r = 0,g = 0,b = 0; - SDL_GetRGB(*pixel,pictures[i]->format,&r,&g,&b); - //if(r == g == b == 0xff) - // *pixel = SDL_MapRGBA(pictures[i]->format,r,g,b,0); - } - - if(SDL_MUSTLOCK(pictures[i])) - SDL_UnlockSurface(pictures[i]); } SDL_Window *window = SDL_CreateShapedWindow("SDL_Shape test",SHAPED_WINDOW_X,SHAPED_WINDOW_Y,SHAPED_WINDOW_DIMENSION,SHAPED_WINDOW_DIMENSION,SDL_WINDOW_RESIZABLE | SDL_WINDOW_SHOWN); @@ -123,12 +86,12 @@ event_pending = SDL_PollEvent(&event); unsigned int current_picture = 0; SDL_WindowShapeMode mode = {ShapeModeDefault,1}; - SDL_SetWindowShape(window,pictures[current_picture],&mode); int mouse_down = 0; - Uint32 format,access; + Uint32 format = 0,access = 0; SDL_Rect texture_dimensions = {0,0,0,0}; SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h); SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h); + SDL_SetWindowShape(window,pictures[current_picture],&mode); while(should_exit == 0) { event_pending = SDL_PollEvent(&event); if(event_pending == 1) {