Add SDL_PIXELFORMAT_INDEX2LSB and SDL_PIXELFORMAT_INDEX2MSB

This commit is contained in:
Cameron Cawley 2023-11-17 11:43:39 +00:00 committed by Sam Lantinga
parent cb5b8c9747
commit 67eb03400a
5 changed files with 54 additions and 1 deletions

View file

@ -61,7 +61,10 @@ typedef enum
SDL_PIXELTYPE_ARRAYU16,
SDL_PIXELTYPE_ARRAYU32,
SDL_PIXELTYPE_ARRAYF16,
SDL_PIXELTYPE_ARRAYF32
SDL_PIXELTYPE_ARRAYF32,
/* This must be at the end of the list to avoid breaking the existing ABI */
SDL_PIXELTYPE_INDEX2
} SDL_PixelType;
/** Bitmap pixel order, high bit -> low bit. */
@ -134,6 +137,7 @@ typedef enum
#define SDL_ISPIXELFORMAT_INDEXED(format) \
(!SDL_ISPIXELFORMAT_FOURCC(format) && \
((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \
(SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX2) || \
(SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \
(SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)))
@ -177,6 +181,12 @@ typedef enum
SDL_PIXELFORMAT_INDEX1MSB =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_1234, 0,
1, 0),
SDL_PIXELFORMAT_INDEX2LSB =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX2, SDL_BITMAPORDER_4321, 0,
2, 0),
SDL_PIXELFORMAT_INDEX2MSB =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX2, SDL_BITMAPORDER_1234, 0,
2, 0),
SDL_PIXELFORMAT_INDEX4LSB =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX4, SDL_BITMAPORDER_4321, 0,
4, 0),