#include "SDL_config.h"
#include "SDL_endian.h"
#include "SDL_video.h"
#include "SDL_sysvideo.h"
#include "SDL_blit.h"
#include "SDL_pixels_c.h"
#include "SDL_RLEaccel_c.h"

Macros
#define	CASE(X) case X: return #X;

Functions
static Uint8 *	Map1to1 (SDL_Palette src, SDL_Palette dst, int *identical)

static Uint8 *	Map1toN (SDL_PixelFormat src, Uint8 Rmod, Uint8 Gmod, Uint8 Bmod, Uint8 Amod, SDL_PixelFormat dst)

static Uint8 *	MapNto1 (SDL_PixelFormat src, SDL_PixelFormat dst, int *identical)

SDL_BlitMap *	SDL_AllocBlitMap (void)

SDL_PixelFormat *	SDL_AllocFormat (Uint32 pixel_format)
	Create an SDL_PixelFormat structure from a pixel format enum. More...

SDL_Palette *	SDL_AllocPalette (int ncolors)
	Create a palette structure with the specified number of color entries. More...

void	SDL_CalculateGammaRamp (float gamma, Uint16 *ramp)
	Calculate a 256 entry gamma ramp for a gamma value. More...

int	SDL_CalculatePitch (SDL_Surface *surface)

void	SDL_DitherColors (SDL_Color *colors, int bpp)

Uint8	SDL_FindColor (SDL_Palette *pal, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

void	SDL_FreeBlitMap (SDL_BlitMap *map)

void	SDL_FreeFormat (SDL_PixelFormat *format)
	Free an SDL_PixelFormat structure. More...

void	SDL_FreePalette (SDL_Palette *palette)
	Free a palette created with SDL_AllocPalette(). More...

const char *	SDL_GetPixelFormatName (Uint32 format)
	Get the human readable name of a pixel format. More...

void	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...

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. More...

int	SDL_InitFormat (SDL_PixelFormat *format, Uint32 pixel_format)

void	SDL_InvalidateMap (SDL_BlitMap *map)

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. More...

Uint32	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...

int	SDL_MapSurface (SDL_Surface src, SDL_Surface dst)

Uint32	SDL_MasksToPixelFormatEnum (int bpp, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
	Convert a bpp and RGBA masks to an enumerated pixel format. More...

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. More...

int	SDL_SetPaletteColors (SDL_Palette palette, const SDL_Color colors, int firstcolor, int ncolors)
	Set a range of colors in a palette. More...

int	SDL_SetPixelFormatPalette (SDL_PixelFormat format, SDL_Palette palette)
	Set the palette for a pixel format structure. More...

Variables
static SDL_PixelFormat *	formats

static Uint8	lookup_0 []

static Uint8	lookup_1 []

static Uint8	lookup_2 []

static Uint8	lookup_3 []

static Uint8	lookup_4 []

static Uint8	lookup_5 []

static Uint8	lookup_6 []

static Uint8	lookup_7 []

static Uint8	lookup_8 []

Uint8 *	SDL_expand_byte [9]

Macro Definition Documentation

#define CASE ( X ) case X: return #X;

Referenced by SDL_GetPixelFormatName().

Function Documentation

static Uint8* Map1to1	(	SDL_Palette *	src,
		SDL_Palette *	dst,
		int *	identical
	)

static

Definition at line 876 of file SDL_pixels.c.

References SDL_Color::a, SDL_Color::b, SDL_Palette::colors, SDL_Color::g, i, map, SDL_Palette::ncolors, NULL, SDL_Color::r, SDL_FindColor(), SDL_malloc(), SDL_memcmp(), and SDL_OutOfMemory.

Referenced by MapNto1(), and SDL_MapSurface().

static Uint8* Map1toN	(	SDL_PixelFormat *	src,
		Uint8	Rmod,
		Uint8	Gmod,
		Uint8	Bmod,
		Uint8	Amod,
		SDL_PixelFormat *	dst
	)

static

Definition at line 910 of file SDL_pixels.c.

References SDL_Color::a, ASSEMBLE_RGBA, SDL_Color::b, SDL_PixelFormat::BytesPerPixel, SDL_Palette::colors, G, SDL_Color::g, i, map, SDL_Palette::ncolors, NULL, SDL_PixelFormat::palette, R, SDL_Color::r, SDL_malloc(), and SDL_OutOfMemory.

Referenced by SDL_MapSurface().

static Uint8* MapNto1	(	SDL_PixelFormat *	src,
		SDL_PixelFormat *	dst,
		int *	identical
	)

static

Definition at line 938 of file SDL_pixels.c.

References colors, SDL_Palette::colors, Map1to1(), SDL_Palette::ncolors, SDL_PixelFormat::palette, and SDL_DitherColors().

Referenced by SDL_MapSurface().

SDL_BlitMap* SDL_AllocBlitMap ( void )

Definition at line 952 of file SDL_pixels.c.

References SDL_BlitInfo::a, SDL_BlitInfo::b, SDL_BlitInfo::g, SDL_BlitMap::info, map, NULL, SDL_BlitInfo::r, SDL_calloc(), and SDL_OutOfMemory.

Referenced by SDL_CreateRGBSurface().

SDL_PixelFormat* SDL_AllocFormat ( Uint32 pixel_format )

Create an SDL_PixelFormat structure from a pixel format enum.

Definition at line 486 of file SDL_pixels.c.

References SDL_PixelFormat::format, formats, SDL_PixelFormat::next, NULL, SDL_PixelFormat::refcount, SDL_free(), SDL_InitFormat(), SDL_InvalidParamError, SDL_ISPIXELFORMAT_INDEXED, SDL_malloc(), and SDL_OutOfMemory.

Referenced by SDL_ConvertSurfaceFormat(), SDL_CreateRGBSurface(), and SDL_CreateTextureFromSurface().

SDL_Palette* SDL_AllocPalette ( int ncolors )

Create a palette structure with the specified number of color entries.

Returns: A new palette, or NULL if there wasn't enough memory.

Note: The palette entries are initialized to white.

See Also: SDL_FreePalette()

Definition at line 615 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.

Referenced by SDL_CreateRGBSurface().

void SDL_CalculateGammaRamp	(	float	gamma,
		Uint16 *	ramp
	)

Calculate a 256 entry gamma ramp for a gamma value.

Definition at line 1086 of file SDL_pixels.c.

References i, int, NULL, SDL_InvalidParamError, and SDL_pow().

Referenced by SDL_SetWindowBrightness().

int SDL_CalculatePitch ( SDL_Surface * surface )

Definition at line 746 of file SDL_pixels.c.

References SDL_PixelFormat::BitsPerPixel, SDL_PixelFormat::BytesPerPixel, SDL_Surface::format, and SDL_Surface::w.

Referenced by SDL_CreateRGBSurface().

void SDL_DitherColors	(	SDL_Color *	colors,
		int	bpp
	)

Definition at line 718 of file SDL_pixels.c.

References SDL_Color::a, SDL_Color::b, SDL_Color::g, i, SDL_Color::r, and SDL_ALPHA_OPAQUE.

Referenced by MapNto1().

Uint8 SDL_FindColor	(	SDL_Palette *	pal,
		Uint8	r,
		Uint8	g,
		Uint8	b,
		Uint8	a
	)

Definition at line 770 of file SDL_pixels.c.

References SDL_Color::a, SDL_Color::b, SDL_Palette::colors, SDL_Color::g, i, SDL_Palette::ncolors, and SDL_Color::r.

Referenced by Map1to1(), SDL_MapRGB(), and SDL_MapRGBA().

void SDL_FreeBlitMap ( SDL_BlitMap * map )

Definition at line 1077 of file SDL_pixels.c.

References SDL_free(), and SDL_InvalidateMap().

Referenced by SDL_FreeSurface().

void SDL_FreeFormat ( SDL_PixelFormat * format )

Free an SDL_PixelFormat structure.

Definition at line 584 of file SDL_pixels.c.

References SDL_PixelFormat::next, SDL_PixelFormat::palette, SDL_PixelFormat::refcount, SDL_free(), SDL_FreePalette(), and SDL_InvalidParamError.

Referenced by SDL_ConvertSurfaceFormat(), SDL_CreateTextureFromSurface(), and SDL_FreeSurface().

void SDL_FreePalette ( SDL_Palette * palette )

Free a palette created with SDL_AllocPalette().

See Also: SDL_AllocPalette()

Definition at line 701 of file SDL_pixels.c.

References SDL_Palette::colors, SDL_Palette::refcount, SDL_free(), and SDL_InvalidParamError.

Referenced by SDL_CreateRGBSurface(), 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_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_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.

Referenced by SDLTest_CommonInit().

void 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.

See Also: SDL_GetRGBA

Definition at line 826 of file SDL_pixels.c.

References SDL_Color::b, SDL_PixelFormat::Bloss, SDL_PixelFormat::Bmask, SDL_PixelFormat::Bshift, SDL_Palette::colors, SDL_Color::g, SDL_PixelFormat::Gloss, SDL_PixelFormat::Gmask, SDL_PixelFormat::Gshift, SDL_Palette::ncolors, NULL, SDL_PixelFormat::palette, SDL_Color::r, SDL_PixelFormat::Rloss, SDL_PixelFormat::Rmask, SDL_PixelFormat::Rshift, and SDL_expand_byte.

Referenced by _rotateSurface().

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.

See Also: SDL_GetRGB

Definition at line 849 of file SDL_pixels.c.

References SDL_Color::a, SDL_PixelFormat::Aloss, SDL_PixelFormat::Amask, SDL_PixelFormat::Ashift, SDL_Color::b, SDL_PixelFormat::Bloss, SDL_PixelFormat::Bmask, SDL_PixelFormat::Bshift, SDL_Palette::colors, SDL_Color::g, SDL_PixelFormat::Gloss, SDL_PixelFormat::Gmask, SDL_PixelFormat::Gshift, SDL_Palette::ncolors, NULL, SDL_PixelFormat::palette, SDL_Color::r, SDL_PixelFormat::Rloss, SDL_PixelFormat::Rmask, SDL_PixelFormat::Rshift, and SDL_expand_byte.

Referenced by RecursivelyCalculateShapeTree(), SDL_CalculateShapeBitmap(), SDL_ConvertSurface(), SDL_DrawLine2(), SDL_DrawLine4(), and SDLTest_CompareSurfaces().

int SDL_InitFormat	(	SDL_PixelFormat *	format,
		Uint32	pixel_format
	)

void SDL_InvalidateMap ( SDL_BlitMap * map )

Definition at line 972 of file SDL_pixels.c.

References SDL_BlitMap::dst, SDL_BlitMap::dst_palette_version, SDL_BlitMap::info, NULL, SDL_Surface::refcount, SDL_free(), SDL_FreeSurface(), SDL_BlitMap::src_palette_version, and SDL_BlitInfo::table.

Referenced by SDL_CalculateBlit(), SDL_ConvertSurface(), SDL_FreeBlitMap(), SDL_MapSurface(), SDL_SetColorKey(), SDL_SetSurfaceAlphaMod(), SDL_SetSurfaceBlendMode(), SDL_SetSurfaceColorMod(), and SDL_SetSurfaceRLE().

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.

See Also: SDL_MapRGBA

Definition at line 799 of file SDL_pixels.c.

References SDL_PixelFormat::Amask, SDL_PixelFormat::Bloss, SDL_PixelFormat::Bshift, SDL_PixelFormat::Gloss, SDL_PixelFormat::Gshift, NULL, SDL_PixelFormat::palette, SDL_PixelFormat::Rloss, SDL_PixelFormat::Rshift, SDL_ALPHA_OPAQUE, and SDL_FindColor().

Referenced by _rotateSurface().

Uint32 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.

See Also: SDL_MapRGB

Definition at line 812 of file SDL_pixels.c.

References SDL_PixelFormat::Aloss, SDL_PixelFormat::Amask, SDL_PixelFormat::Ashift, SDL_PixelFormat::Bloss, SDL_PixelFormat::Bshift, SDL_PixelFormat::Gloss, SDL_PixelFormat::Gshift, NULL, SDL_PixelFormat::palette, SDL_PixelFormat::Rloss, SDL_PixelFormat::Rshift, and SDL_FindColor().

Referenced by SDL_ConvertSurface(), SW_RenderClear(), SW_RenderDrawLines(), SW_RenderDrawPoints(), and SW_RenderFillRects().

int SDL_MapSurface	(	SDL_Surface *	src,
		SDL_Surface *	dst
	)

Uint32 SDL_MasksToPixelFormatEnum	(	int	bpp,
		Uint32	Rmask,
		Uint32	Gmask,
		Uint32	Bmask,
		Uint32	Amask
	)

Convert a bpp and RGBA masks to an enumerated pixel format.

Returns: The pixel format, or SDL_PIXELFORMAT_UNKNOWN if the conversion wasn't possible.

See Also: SDL_PixelFormatEnumToMasks()

Definition at line 291 of file SDL_pixels.c.

References 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_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.

Referenced by SDL_CreateRGBSurface().

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.

Returns: SDL_TRUE, or SDL_FALSE if the conversion wasn't possible.

See Also: SDL_MasksToPixelFormatEnum()

Definition at line 132 of file SDL_pixels.c.

References 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_CreateWindowFramebuffer(), SDL_InitFormat(), SDL_SW_CopyYUVToRGB(), SDL_SW_SetupYUVDisplay(), SDLTest_CommonInit(), and SW_CreateTexture().

int SDL_SetPaletteColors	(	SDL_Palette *	palette,
		const SDL_Color *	colors,
		int	firstcolor,
		int	ncolors
	)

Set a range of colors in a palette.

Parameters

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.

Returns: 0 on success, or -1 if not all of the colors could be set.

Definition at line 674 of file SDL_pixels.c.

References 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 646 of file SDL_pixels.c.

References SDL_PixelFormat::BitsPerPixel, SDL_Palette::ncolors, SDL_PixelFormat::palette, SDL_Palette::refcount, SDL_FreePalette(), and SDL_SetError().

Referenced by SDL_SetSurfacePalette().

Variable Documentation

SDL_PixelFormat* formats

static

Definition at line 483 of file SDL_pixels.c.

Referenced by alcOpenDevice(), and SDL_AllocFormat().

Uint8 lookup_0[]

static

Initial value:

= {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
}

Definition at line 35 of file SDL_pixels.c.

Uint8 lookup_1[]

static

Initial value:

= {
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 182, 184, 186, 188, 190, 192, 194, 196, 198, 200, 202, 204, 206, 208, 210, 212, 214, 216, 218, 220, 222, 224, 226, 228, 230, 232, 234, 236, 238, 240, 242, 244, 246, 248, 250, 252, 255
}

Definition at line 39 of file SDL_pixels.c.

Uint8 lookup_2[]

static

Initial value:

= {
0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 85, 89, 93, 97, 101, 105, 109, 113, 117, 121, 125, 129, 133, 137, 141, 145, 149, 153, 157, 161, 165, 170, 174, 178, 182, 186, 190, 194, 198, 202, 206, 210, 214, 218, 222, 226, 230, 234, 238, 242, 246, 250, 255
}

Definition at line 43 of file SDL_pixels.c.

Uint8 lookup_3[]

static

Initial value:

= {
0, 8, 16, 24, 32, 41, 49, 57, 65, 74, 82, 90, 98, 106, 115, 123, 131, 139, 148, 156, 164, 172, 180, 189, 197, 205, 213, 222, 230, 238, 246, 255
}

Definition at line 47 of file SDL_pixels.c.

Uint8 lookup_4[]

static

Initial value:

= {
0, 17, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238, 255
}

Definition at line 51 of file SDL_pixels.c.

Uint8 lookup_5[]

static

Initial value:

= {
0, 36, 72, 109, 145, 182, 218, 255
}

Definition at line 55 of file SDL_pixels.c.

Uint8 lookup_6[]

static

Initial value:

= {
0, 85, 170, 255
}

Definition at line 59 of file SDL_pixels.c.

Uint8 lookup_7[]

static

Initial value:

= {
0, 255
}

Definition at line 63 of file SDL_pixels.c.

Uint8 lookup_8[]

static

Initial value:

= {
255
}

Definition at line 67 of file SDL_pixels.c.

Uint8* SDL_expand_byte[9]

Initial value:

= {
    lookup_0,
    lookup_1,
    lookup_2,
    lookup_3,
    lookup_4,
    lookup_5,
    lookup_6,
    lookup_7,
    lookup_8
}

Definition at line 71 of file SDL_pixels.c.

Referenced by SDL_GetRGB(), and SDL_GetRGBA().

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation