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add BitmapFormat enum, update Reformat

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scawful
2024-08-06 18:01:24 -04:00
parent a630fd0f23
commit 7488551335
2 changed files with 13 additions and 6 deletions
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16
src/app/gfx/bitmap.h
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@@ -22,6 +22,10 @@ namespace app {
*/
namespace gfx {
// Same as SDL_PIXELFORMAT_INDEX8 for reference
constexpr Uint32 SNES_PIXELFORMAT_INDEXED =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX8, 0, 0, 8, 1);
constexpr Uint32 SNES_PIXELFORMAT_2BPP = SDL_DEFINE_PIXELFORMAT(
/*type=*/SDL_PIXELTYPE_INDEX8, /*order=*/0,
/*layouts=*/0, /*bits=*/2, /*bytes=*/1);
@@ -34,12 +38,12 @@ constexpr Uint32 SNES_PIXELFORMAT_8BPP = SDL_DEFINE_PIXELFORMAT(
/*type=*/SDL_PIXELTYPE_INDEX8, /*order=*/0,
/*layouts=*/0, /*bits=*/8, /*bytes=*/1);
// SDL_PIXELFORMAT_INDEX8 =
// SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX8, 0, 0, 8, 1),
constexpr int kFormat2bppIndexed = 1;
constexpr int kFormat4bppIndexed = 2;
constexpr int kFormat8bppIndexed = 3;
enum BitmapFormat {
kIndexed = 0,
k2bpp = 1,
k4bpp = 2,
k8bpp = 3,
};
/**
* @brief Convert SDL_Surface to PNG image data.