diff options
Diffstat (limited to 'trunk/example.c')
| -rw-r--r-- | trunk/example.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/trunk/example.c b/trunk/example.c index d1d8853..bdd12b4 100644 --- a/trunk/example.c +++ b/trunk/example.c @@ -7,8 +7,14 @@ /* color is 0xrrggbbaa */ void sdl_draw_pixel(SDL_Surface* surface, uint32_t x, uint32_t y, uint32_t color) { - uint32_t mapped_color = SDL_MapRGB(surface->format, (color & 0xff000000) >> 24, (color & 0x00ff0000) >> 16, (color & 0x0000ff00) >> 8); uint32_t* pixel = ((uint32_t*) (surface->pixels)) + (y * surface->pitch/4) + x; + /* pretty sure SDL can do this, but can't figure out how */ + uint32_t alpha = 0xff;/*color & 0x000000ff;*/ + uint32_t r = ((color & 0xff000000) >> 24) * (alpha / 256.0); + uint32_t g = ((color & 0x00ff0000) >> 16) * (alpha / 256.0); + uint32_t b = ((color & 0x0000ff00) >> 8) * (alpha / 256.0); + uint32_t mapped_color = SDL_MapRGBA(surface->format, r, g, b, alpha); + *pixel = mapped_color; } @@ -50,7 +56,8 @@ int main(int argc, char *argv[]) printf("extension_size %u\n", sprite_area->extension_size); SDL_Surface *screen; - screen = SDL_SetVideoMode(800, 600, 32, SDL_SWSURFACE); + screen = SDL_SetVideoMode(800, 600, 32, SDL_ANYFORMAT); + SDL_SetAlpha(screen, SDL_SRCALPHA, 0); for (uint32_t i = 0; i < sprite_area->sprite_count; i++) { struct sprite* sprite = sprite_area->sprites[i]; @@ -65,8 +72,8 @@ int main(int argc, char *argv[]) printf("hasPalette %s\n", sprite->has_palette ? "YES" : "NO"); if (sprite->has_palette) printf("paletteSize %u\n", sprite->palettesize); - printf("hasMask %s\n", sprite->hasmask ? "YES" : "NO"); - if (sprite->hasmask) printf("maskbpp %u\n", sprite->mode->maskbpp); + printf("hasMask %s\n", sprite->has_mask ? "YES" : "NO"); + if (sprite->has_mask) printf("maskbpp %u\n", sprite->mode->maskbpp); sdl_blank(screen); @@ -76,7 +83,7 @@ int main(int argc, char *argv[]) } } - SDL_UpdateRect(screen, 0, 0, 799, 599); + SDL_UpdateRect(screen, 0, 0, 0, 0); fgetc(stdin); } |