Mercurial > sdl-ios-xcode
changeset 4808:2ae79ed78a5a
More work on color-key mode.
author | Eli Gottlieb <eligottlieb@gmail.com> |
---|---|
date | Fri, 23 Jul 2010 01:48:42 -0400 |
parents | c9eb95f29770 |
children | 329708ffe2a7 |
files | src/video/SDL_shape.c test/testshape.c |
diffstat | 2 files changed, 39 insertions(+), 25 deletions(-) [+] |
line wrap: on
line diff
--- a/src/video/SDL_shape.c Thu Jul 22 23:11:01 2010 -0400 +++ b/src/video/SDL_shape.c Fri Jul 23 01:48:42 2010 -0400 @@ -96,7 +96,7 @@ break; case(ShapeModeColorKey): key = mode.parameters.colorKey; - bitmap[bitmap_pixel / ppb] |= (key.r == r && key.g == g && key.b == b ? value : 0) << ((ppb - 1) - (bitmap_pixel % ppb)); + bitmap[bitmap_pixel / ppb] |= ((key.r == r && key.g == g && key.b == b) ? value : 0) << ((ppb - 1) - (bitmap_pixel % ppb)); break; } }
--- a/test/testshape.c Thu Jul 22 23:11:01 2010 -0400 +++ b/test/testshape.c Fri Jul 23 01:48:42 2010 -0400 @@ -14,6 +14,12 @@ #define TICK_INTERVAL 18 +typedef struct LoadedPicture { + SDL_Surface *surface; + SDL_Texture *texture; + SDL_WindowShapeMode mode; +} LoadedPicture; + void render(SDL_Window* window,SDL_Texture *texture,SDL_Rect texture_dimensions) { SDL_SelectRenderer(window); @@ -49,28 +55,39 @@ } Uint8 num_pictures = argc - 1; - SDL_Surface **pictures = malloc(sizeof(SDL_Surface*)*num_pictures); + LoadedPicture* pictures = malloc(sizeof(LoadedPicture)*num_pictures); int i = 0; for(i=0;i<num_pictures;i++) - pictures[i] = NULL; + pictures[i].surface = NULL; for(i=0;i<num_pictures;i++) { - pictures[i] = SDL_LoadBMP(argv[i+1]); - if(pictures[i] == NULL) { + pictures[i].surface = SDL_LoadBMP(argv[i+1]); + if(pictures[i].surface == NULL) { int j = 0; for(j=0;j<num_pictures;j++) - if(pictures[j] != NULL) - SDL_FreeSurface(pictures[j]); + if(pictures[j].surface != NULL) + SDL_FreeSurface(pictures[j].surface); free(pictures); SDL_VideoQuit(); printf("Could not load surface from named bitmap file.\n"); exit(-3); } + SDL_PixelFormat* format = pictures[i].surface->format; + Uint32 format_enum = SDL_MasksToPixelFormatEnum (format->BitsPerPixel,format->Rmask,format->Gmask, format->Bmask,format->Amask); + if(SDL_ISPIXELFORMAT_ALPHA(format_enum)) { + pictures[i].mode.mode = ShapeModeBinarizeAlpha; + pictures[i].mode.parameters.binarizationCutoff = 1; + } + else { + pictures[i].mode.mode = ShapeModeColorKey; + SDL_Color black = {0,0,0,0xff}; + pictures[i].mode.parameters.colorKey = black; + } } 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); if(window == NULL) { for(i=0;i<num_pictures;i++) - SDL_FreeSurface(pictures[i]); + SDL_FreeSurface(pictures[i].surface); free(pictures); SDL_VideoQuit(); printf("Could not create shaped window for SDL_Shape.\n"); @@ -79,26 +96,24 @@ if(SDL_CreateRenderer(window,-1,SDL_RENDERER_PRESENTFLIP2) == -1) { SDL_DestroyWindow(window); for(i=0;i<num_pictures;i++) - SDL_FreeSurface(pictures[i]); + SDL_FreeSurface(pictures[i].surface); free(pictures); SDL_VideoQuit(); printf("Could not create rendering context for SDL_Shape window.\n"); exit(-5); } - SDL_Texture **textures = malloc(sizeof(SDL_Texture*)*num_pictures); for(i=0;i<num_pictures;i++) - textures[i] = NULL; + pictures[i].texture = NULL; for(i=0;i<num_pictures;i++) { - textures[i] = SDL_CreateTextureFromSurface(0,pictures[i]); - if(textures[i] == NULL) { + pictures[i].texture = SDL_CreateTextureFromSurface(0,pictures[i].surface); + if(pictures[i].texture == NULL) { int j = 0; for(j=0;j<num_pictures;i++) - if(textures[i] != NULL) - SDL_DestroyTexture(textures[i]); - free(textures); + if(pictures[i].texture != NULL) + SDL_DestroyTexture(pictures[i].texture); for(i=0;i<num_pictures;i++) - SDL_FreeSurface(pictures[i]); + SDL_FreeSurface(pictures[i].surface); free(pictures); SDL_DestroyRenderer(window); SDL_DestroyWindow(window); @@ -116,9 +131,9 @@ int button_down = 0; 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_QueryTexture(pictures[current_picture].texture,&format,&access,&texture_dimensions.w,&texture_dimensions.h); SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h); - SDL_SetWindowShape(window,pictures[current_picture],&mode); + SDL_SetWindowShape(window,pictures[current_picture].surface,&mode); next_time = SDL_GetTicks() + TICK_INTERVAL; while(should_exit == 0) { event_pending = SDL_PollEvent(&event); @@ -133,28 +148,27 @@ current_picture += 1; if(current_picture >= num_pictures) current_picture = 0; - SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h); + SDL_QueryTexture(pictures[current_picture].texture,&format,&access,&texture_dimensions.w,&texture_dimensions.h); SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h); - SDL_SetWindowShape(window,pictures[current_picture],&mode); + SDL_SetWindowShape(window,pictures[current_picture].surface,&mode); } if(event.type == SDL_QUIT) should_exit = 1; event_pending = 0; } - render(window,textures[current_picture],texture_dimensions); + render(window,pictures[current_picture].texture,texture_dimensions); SDL_Delay(time_left()); next_time += TICK_INTERVAL; } //Free the textures. for(i=0;i<num_pictures;i++) - SDL_DestroyTexture(textures[i]); - free(textures); + SDL_DestroyTexture(pictures[i].texture); //Destroy the window. SDL_DestroyWindow(window); //Free the original surfaces backing the textures. for(i=0;i<num_pictures;i++) - SDL_FreeSurface(pictures[i]); + SDL_FreeSurface(pictures[i].surface); free(pictures); //Call SDL_VideoQuit() before quitting. SDL_VideoQuit();