SDL
2.0
|
Go to the source code of this file.
Data Structures | |
struct | SDL_Color |
struct | SDL_Palette |
struct | SDL_PixelFormat |
Header for the enumerated pixel format definitions.
Definition in file SDL_pixels.h.
#define SDL_ALPHA_OPAQUE 255 |
Definition at line 47 of file SDL_pixels.h.
#define SDL_ALPHA_TRANSPARENT 0 |
Definition at line 48 of file SDL_pixels.h.
Definition at line 128 of file SDL_pixels.h.
#define SDL_BYTESPERPIXEL | ( | X | ) |
Definition at line 129 of file SDL_pixels.h.
#define SDL_Colour SDL_Color |
Definition at line 306 of file SDL_pixels.h.
Definition at line 120 of file SDL_pixels.h.
#define SDL_DEFINE_PIXELFOURCC | ( | A, | |
B, | |||
C, | |||
D | |||
) | SDL_FOURCC(A, B, C, D) |
Definition at line 118 of file SDL_pixels.h.
#define SDL_ISPIXELFORMAT_ALPHA | ( | format | ) |
Definition at line 155 of file SDL_pixels.h.
#define SDL_ISPIXELFORMAT_ARRAY | ( | format | ) |
Definition at line 147 of file SDL_pixels.h.
#define SDL_ISPIXELFORMAT_FOURCC | ( | format | ) | ((format) && (SDL_PIXELFLAG(format) != 1)) |
Definition at line 168 of file SDL_pixels.h.
#define SDL_ISPIXELFORMAT_INDEXED | ( | format | ) |
Definition at line 135 of file SDL_pixels.h.
#define SDL_ISPIXELFORMAT_PACKED | ( | format | ) |
Definition at line 141 of file SDL_pixels.h.
Definition at line 124 of file SDL_pixels.h.
Definition at line 127 of file SDL_pixels.h.
Definition at line 126 of file SDL_pixels.h.
Definition at line 125 of file SDL_pixels.h.
enum SDL_ArrayOrder |
Array component order, low byte -> high byte.
Enumerator | |
---|---|
SDL_ARRAYORDER_NONE | |
SDL_ARRAYORDER_RGB | |
SDL_ARRAYORDER_RGBA | |
SDL_ARRAYORDER_ARGB | |
SDL_ARRAYORDER_BGR | |
SDL_ARRAYORDER_BGRA | |
SDL_ARRAYORDER_ABGR |
Definition at line 92 of file SDL_pixels.h.
enum SDL_BitmapOrder |
Bitmap pixel order, high bit -> low bit.
Enumerator | |
---|---|
SDL_BITMAPORDER_NONE | |
SDL_BITMAPORDER_4321 | |
SDL_BITMAPORDER_1234 |
Definition at line 68 of file SDL_pixels.h.
enum SDL_PackedLayout |
Packed component layout.
Definition at line 104 of file SDL_pixels.h.
enum SDL_PackedOrder |
Packed component order, high bit -> low bit.
Enumerator | |
---|---|
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 |
Definition at line 76 of file SDL_pixels.h.
enum SDL_PixelFormatEnum |
Definition at line 171 of file SDL_pixels.h.
enum SDL_PixelType |
Pixel type.
Definition at line 51 of file SDL_pixels.h.
SDL_PixelFormat* SDL_AllocFormat | ( | Uint32 | pixel_format | ) |
Create an SDL_PixelFormat structure from a pixel format enum.
Definition at line 503 of file SDL_pixels.c.
References formats, formats_lock, NULL, SDL_AtomicLock, SDL_AtomicUnlock, SDL_free, SDL_InitFormat(), SDL_InvalidParamError, SDL_ISPIXELFORMAT_INDEXED, SDL_malloc, and SDL_OutOfMemory.
SDL_Palette* SDL_AllocPalette | ( | int | ncolors | ) |
Create a palette structure with the specified number of color entries.
Definition at line 646 of file SDL_pixels.c.
References SDL_Palette::colors, SDL_Palette::ncolors, NULL, SDL_Palette::refcount, SDL_free, SDL_InvalidParamError, SDL_malloc, SDL_memset, SDL_OutOfMemory, and SDL_Palette::version.
Calculate a 256 entry gamma ramp for a gamma value.
Definition at line 1095 of file SDL_pixels.c.
References i, NULL, SDL_InvalidParamError, SDL_memset, and SDL_pow.
void SDL_FreeFormat | ( | SDL_PixelFormat * | format | ) |
Free an SDL_PixelFormat structure.
Definition at line 609 of file SDL_pixels.c.
References formats_lock, SDL_PixelFormat::next, SDL_AtomicLock, SDL_AtomicUnlock, SDL_free, SDL_FreePalette(), and SDL_InvalidParamError.
void SDL_FreePalette | ( | SDL_Palette * | palette | ) |
Free a palette created with SDL_AllocPalette().
Definition at line 732 of file SDL_pixels.c.
References SDL_Palette::colors, SDL_Palette::refcount, SDL_free, and SDL_InvalidParamError.
Referenced by SDL_FreeFormat(), and SDL_SetPixelFormatPalette().
const char* SDL_GetPixelFormatName | ( | Uint32 | format | ) |
Get the human readable name of a pixel format.
Definition at line 86 of file SDL_pixels.c.
References CASE, SDL_PIXELFORMAT_ABGR1555, SDL_PIXELFORMAT_ABGR4444, SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB1555, SDL_PIXELFORMAT_ARGB2101010, SDL_PIXELFORMAT_ARGB4444, SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR24, SDL_PIXELFORMAT_BGR444, SDL_PIXELFORMAT_BGR555, SDL_PIXELFORMAT_BGR565, SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGRA4444, SDL_PIXELFORMAT_BGRA5551, SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGRX8888, SDL_PIXELFORMAT_INDEX1LSB, SDL_PIXELFORMAT_INDEX1MSB, SDL_PIXELFORMAT_INDEX4LSB, SDL_PIXELFORMAT_INDEX4MSB, SDL_PIXELFORMAT_INDEX8, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_RGB24, SDL_PIXELFORMAT_RGB332, SDL_PIXELFORMAT_RGB444, SDL_PIXELFORMAT_RGB555, SDL_PIXELFORMAT_RGB565, SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGBA4444, SDL_PIXELFORMAT_RGBA5551, SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGBX8888, SDL_PIXELFORMAT_UYVY, SDL_PIXELFORMAT_YUY2, SDL_PIXELFORMAT_YV12, and SDL_PIXELFORMAT_YVYU.
Get the RGB components from a pixel of the specified format.
Definition at line 833 of file SDL_pixels.c.
References NULL, and SDL_expand_byte.
void 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.
Definition at line 856 of file SDL_pixels.c.
References NULL, and SDL_expand_byte.
Uint32 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.
Definition at line 806 of file SDL_pixels.c.
References NULL, SDL_ALPHA_OPAQUE, and SDL_FindColor().
Maps an RGBA quadruple to a pixel value for a given pixel format.
Definition at line 819 of file SDL_pixels.c.
References NULL, and SDL_FindColor().
Uint32 SDL_MasksToPixelFormatEnum | ( | int | bpp, |
Uint32 | Rmask, | ||
Uint32 | Gmask, | ||
Uint32 | Bmask, | ||
Uint32 | Amask | ||
) |
Convert a bpp and RGBA masks to an enumerated pixel format.
Definition at line 294 of file SDL_pixels.c.
References bpp, SDL_PIXELFORMAT_ABGR1555, SDL_PIXELFORMAT_ABGR4444, SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB1555, SDL_PIXELFORMAT_ARGB2101010, SDL_PIXELFORMAT_ARGB4444, SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR24, SDL_PIXELFORMAT_BGR444, SDL_PIXELFORMAT_BGR555, SDL_PIXELFORMAT_BGR565, SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGRA4444, SDL_PIXELFORMAT_BGRA5551, SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGRX8888, SDL_PIXELFORMAT_INDEX1MSB, SDL_PIXELFORMAT_INDEX4MSB, SDL_PIXELFORMAT_INDEX8, SDL_PIXELFORMAT_RGB24, SDL_PIXELFORMAT_RGB332, SDL_PIXELFORMAT_RGB444, SDL_PIXELFORMAT_RGB555, SDL_PIXELFORMAT_RGB565, SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGBA4444, SDL_PIXELFORMAT_RGBA5551, SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGBX8888, and SDL_PIXELFORMAT_UNKNOWN.
SDL_bool 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.
Definition at line 135 of file SDL_pixels.c.
References bpp, SDL_BITSPERPIXEL, SDL_BYTESPERPIXEL, SDL_FALSE, SDL_ISPIXELFORMAT_FOURCC, SDL_PACKEDLAYOUT_1010102, SDL_PACKEDLAYOUT_1555, SDL_PACKEDLAYOUT_2101010, SDL_PACKEDLAYOUT_332, SDL_PACKEDLAYOUT_4444, SDL_PACKEDLAYOUT_5551, SDL_PACKEDLAYOUT_565, SDL_PACKEDLAYOUT_8888, SDL_PACKEDORDER_ABGR, SDL_PACKEDORDER_ARGB, SDL_PACKEDORDER_BGRA, SDL_PACKEDORDER_BGRX, SDL_PACKEDORDER_RGBA, SDL_PACKEDORDER_RGBX, SDL_PACKEDORDER_XBGR, SDL_PACKEDORDER_XRGB, SDL_PIXELFORMAT_BGR24, SDL_PIXELFORMAT_RGB24, SDL_PIXELLAYOUT, SDL_PIXELORDER, SDL_PIXELTYPE, SDL_PIXELTYPE_PACKED16, SDL_PIXELTYPE_PACKED32, SDL_PIXELTYPE_PACKED8, SDL_SetError, and SDL_TRUE.
Referenced by SDL_InitFormat().
int 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. |
Definition at line 705 of file SDL_pixels.c.
References colors, SDL_Palette::colors, SDL_Palette::ncolors, SDL_memcpy, and SDL_Palette::version.
int SDL_SetPixelFormatPalette | ( | SDL_PixelFormat * | format, |
SDL_Palette * | palette | ||
) |
Set the palette for a pixel format structure.
Definition at line 677 of file SDL_pixels.c.
References SDL_Palette::ncolors, SDL_Palette::refcount, SDL_FreePalette(), and SDL_SetError.