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Classes | |
struct | SDL_Color |
struct | SDL_Palette |
struct | SDL_PixelFormat |
Macros | |
#define | SDL_DEFINE_PIXELFOURCC(A, B, C, D) SDL_FOURCC(A, B, C, D) |
#define | SDL_DEFINE_PIXELFORMAT(type, order, layout, bits, bytes) |
#define | SDL_PIXELFLAG(X) (((X) >> 28) & 0x0F) |
#define | SDL_PIXELTYPE(X) (((X) >> 24) & 0x0F) |
#define | SDL_PIXELORDER(X) (((X) >> 20) & 0x0F) |
#define | SDL_PIXELLAYOUT(X) (((X) >> 16) & 0x0F) |
#define | SDL_BITSPERPIXEL(X) (((X) >> 8) & 0xFF) |
#define | SDL_BYTESPERPIXEL(X) |
#define | SDL_ISPIXELFORMAT_INDEXED(format) |
#define | SDL_ISPIXELFORMAT_PACKED(format) |
#define | SDL_ISPIXELFORMAT_ARRAY(format) |
#define | SDL_ISPIXELFORMAT_ALPHA(format) |
#define | SDL_ISPIXELFORMAT_FOURCC(format) ((format) && (SDL_PIXELFLAG(format) != 1)) |
#define | SDL_Colour SDL_Color |
Transparency definitions | |
These define alpha as the opacity of a surface. | |
#define | SDL_ALPHA_OPAQUE 255 |
#define | SDL_ALPHA_TRANSPARENT 0 |
Typedefs | |
typedef struct SDL_Color | SDL_Color |
typedef struct SDL_Palette | SDL_Palette |
typedef struct SDL_PixelFormat | SDL_PixelFormat |
Enumerations | |
enum | { SDL_PIXELTYPE_UNKNOWN, SDL_PIXELTYPE_INDEX1, SDL_PIXELTYPE_INDEX4, SDL_PIXELTYPE_INDEX8, SDL_PIXELTYPE_PACKED8, SDL_PIXELTYPE_PACKED16, SDL_PIXELTYPE_PACKED32, SDL_PIXELTYPE_ARRAYU8, SDL_PIXELTYPE_ARRAYU16, SDL_PIXELTYPE_ARRAYU32, SDL_PIXELTYPE_ARRAYF16, SDL_PIXELTYPE_ARRAYF32 } |
enum | { SDL_BITMAPORDER_NONE, SDL_BITMAPORDER_4321, SDL_BITMAPORDER_1234 } |
enum | { SDL_PACKEDORDER_NONE, SDL_PACKEDORDER_XRGB, SDL_PACKEDORDER_RGBX, SDL_PACKEDORDER_ARGB, SDL_PACKEDORDER_RGBA, SDL_PACKEDORDER_XBGR, SDL_PACKEDORDER_BGRX, SDL_PACKEDORDER_ABGR, SDL_PACKEDORDER_BGRA } |
enum | { SDL_ARRAYORDER_NONE, SDL_ARRAYORDER_RGB, SDL_ARRAYORDER_RGBA, SDL_ARRAYORDER_ARGB, SDL_ARRAYORDER_BGR, SDL_ARRAYORDER_BGRA, SDL_ARRAYORDER_ABGR } |
enum | { SDL_PACKEDLAYOUT_NONE, SDL_PACKEDLAYOUT_332, SDL_PACKEDLAYOUT_4444, SDL_PACKEDLAYOUT_1555, SDL_PACKEDLAYOUT_5551, SDL_PACKEDLAYOUT_565, SDL_PACKEDLAYOUT_8888, SDL_PACKEDLAYOUT_2101010, SDL_PACKEDLAYOUT_1010102 } |
enum | { SDL_PIXELFORMAT_UNKNOWN, SDL_PIXELFORMAT_INDEX1LSB, SDL_PIXELFORMAT_INDEX1MSB, SDL_PIXELFORMAT_INDEX4LSB, SDL_PIXELFORMAT_INDEX4MSB, SDL_PIXELFORMAT_INDEX8, SDL_PIXELFORMAT_RGB332, SDL_PIXELFORMAT_RGB444, SDL_PIXELFORMAT_RGB555, SDL_PIXELFORMAT_BGR555, SDL_PIXELFORMAT_ARGB4444, SDL_PIXELFORMAT_RGBA4444, SDL_PIXELFORMAT_ABGR4444, SDL_PIXELFORMAT_BGRA4444, SDL_PIXELFORMAT_ARGB1555, SDL_PIXELFORMAT_RGBA5551, SDL_PIXELFORMAT_ABGR1555, SDL_PIXELFORMAT_BGRA5551, SDL_PIXELFORMAT_RGB565, SDL_PIXELFORMAT_BGR565, SDL_PIXELFORMAT_RGB24, SDL_PIXELFORMAT_BGR24, SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGBX8888, SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGRX8888, SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB2101010, SDL_PIXELFORMAT_RGBA32 = SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB32 = SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGRA32 = SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR32 = SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_YV12, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_YUY2, SDL_PIXELFORMAT_UYVY, SDL_PIXELFORMAT_YVYU, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_EXTERNAL_OES = } |
Functions | |
DECLSPEC const char *SDLCALL | SDL_GetPixelFormatName (Uint32 format) |
Get the human readable name of a pixel format. | |
DECLSPEC SDL_bool SDLCALL | SDL_PixelFormatEnumToMasks (Uint32 format, int *bpp, Uint32 *Rmask, Uint32 *Gmask, Uint32 *Bmask, Uint32 *Amask) |
Convert one of the enumerated pixel formats to a bpp and RGBA masks. More... | |
DECLSPEC Uint32 SDLCALL | SDL_MasksToPixelFormatEnum (int bpp, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask) |
Convert a bpp and RGBA masks to an enumerated pixel format. More... | |
DECLSPEC SDL_PixelFormat *SDLCALL | SDL_AllocFormat (Uint32 pixel_format) |
Create an SDL_PixelFormat structure from a pixel format enum. | |
DECLSPEC void SDLCALL | SDL_FreeFormat (SDL_PixelFormat *format) |
Free an SDL_PixelFormat structure. | |
DECLSPEC SDL_Palette *SDLCALL | SDL_AllocPalette (int ncolors) |
Create a palette structure with the specified number of color entries. More... | |
DECLSPEC int SDLCALL | SDL_SetPixelFormatPalette (SDL_PixelFormat *format, SDL_Palette *palette) |
Set the palette for a pixel format structure. | |
DECLSPEC int SDLCALL | SDL_SetPaletteColors (SDL_Palette *palette, const SDL_Color *colors, int firstcolor, int ncolors) |
Set a range of colors in a palette. More... | |
DECLSPEC void SDLCALL | SDL_FreePalette (SDL_Palette *palette) |
Free a palette created with SDL_AllocPalette(). More... | |
DECLSPEC Uint32 SDLCALL | SDL_MapRGB (const SDL_PixelFormat *format, Uint8 r, Uint8 g, Uint8 b) |
Maps an RGB triple to an opaque pixel value for a given pixel format. More... | |
DECLSPEC Uint32 SDLCALL | SDL_MapRGBA (const SDL_PixelFormat *format, Uint8 r, Uint8 g, Uint8 b, Uint8 a) |
Maps an RGBA quadruple to a pixel value for a given pixel format. More... | |
DECLSPEC void SDLCALL | SDL_GetRGB (Uint32 pixel, const SDL_PixelFormat *format, Uint8 *r, Uint8 *g, Uint8 *b) |
Get the RGB components from a pixel of the specified format. More... | |
DECLSPEC void SDLCALL | SDL_GetRGBA (Uint32 pixel, const SDL_PixelFormat *format, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a) |
Get the RGBA components from a pixel of the specified format. More... | |
DECLSPEC void SDLCALL | SDL_CalculateGammaRamp (float gamma, Uint16 *ramp) |
Calculate a 256 entry gamma ramp for a gamma value. | |
Header for the enumerated pixel format definitions.
#define SDL_BYTESPERPIXEL | ( | X | ) |
#define SDL_DEFINE_PIXELFORMAT | ( | type, | |
order, | |||
layout, | |||
bits, | |||
bytes | |||
) |
#define SDL_ISPIXELFORMAT_ALPHA | ( | format | ) |
#define SDL_ISPIXELFORMAT_ARRAY | ( | format | ) |
#define SDL_ISPIXELFORMAT_INDEXED | ( | format | ) |
#define SDL_ISPIXELFORMAT_PACKED | ( | format | ) |
typedef struct SDL_PixelFormat SDL_PixelFormat |
anonymous enum |
Pixel type.
anonymous enum |
Bitmap pixel order, high bit -> low bit.
anonymous enum |
Packed component order, high bit -> low bit.
anonymous enum |
Array component order, low byte -> high byte.
anonymous enum |
Packed component layout.
anonymous enum |
DECLSPEC SDL_Palette* SDLCALL SDL_AllocPalette | ( | int | ncolors | ) |
Create a palette structure with the specified number of color entries.
DECLSPEC void SDLCALL SDL_FreePalette | ( | SDL_Palette * | palette | ) |
Free a palette created with SDL_AllocPalette().
DECLSPEC void SDLCALL SDL_GetRGB | ( | Uint32 | pixel, |
const SDL_PixelFormat * | format, | ||
Uint8 * | r, | ||
Uint8 * | g, | ||
Uint8 * | b | ||
) |
Get the RGB components from a pixel of the specified format.
DECLSPEC void SDLCALL SDL_GetRGBA | ( | Uint32 | pixel, |
const SDL_PixelFormat * | format, | ||
Uint8 * | r, | ||
Uint8 * | g, | ||
Uint8 * | b, | ||
Uint8 * | a | ||
) |
Get the RGBA components from a pixel of the specified format.
DECLSPEC Uint32 SDLCALL SDL_MapRGB | ( | const SDL_PixelFormat * | format, |
Uint8 | r, | ||
Uint8 | g, | ||
Uint8 | b | ||
) |
Maps an RGB triple to an opaque pixel value for a given pixel format.
DECLSPEC Uint32 SDLCALL SDL_MapRGBA | ( | const SDL_PixelFormat * | format, |
Uint8 | r, | ||
Uint8 | g, | ||
Uint8 | b, | ||
Uint8 | a | ||
) |
Maps an RGBA quadruple to a pixel value for a given pixel format.
DECLSPEC Uint32 SDLCALL SDL_MasksToPixelFormatEnum | ( | int | bpp, |
Uint32 | Rmask, | ||
Uint32 | Gmask, | ||
Uint32 | Bmask, | ||
Uint32 | Amask | ||
) |
Convert a bpp and RGBA masks to an enumerated pixel format.
DECLSPEC SDL_bool SDLCALL SDL_PixelFormatEnumToMasks | ( | Uint32 | format, |
int * | bpp, | ||
Uint32 * | Rmask, | ||
Uint32 * | Gmask, | ||
Uint32 * | Bmask, | ||
Uint32 * | Amask | ||
) |
Convert one of the enumerated pixel formats to a bpp and RGBA masks.
DECLSPEC int SDLCALL SDL_SetPaletteColors | ( | SDL_Palette * | palette, |
const SDL_Color * | colors, | ||
int | firstcolor, | ||
int | ncolors | ||
) |
Set a range of colors in a palette.
palette | The palette to modify. |
colors | An array of colors to copy into the palette. |
firstcolor | The index of the first palette entry to modify. |
ncolors | The number of entries to modify. |