color.h File Reference

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Classes
struct	Myrgb16
struct	Myrgb24
struct	Myrgb32
struct	MyYUV422
struct	MyYUV444

Macros
#define	CLIP(color)   (unsigned char)(((color)>0xFF)?0xff:(((color)<0)?0:(color)))
#define	PACKRGB16(r, g, b)   (__u16) ((((b) & 0xF8) << 8 ) | (((g) & 0xFC) << 3 ) | (((r) & 0xF8) >> 3 ))
#define	UfromRGB(r, g, b)   CLIP(((128*(b)-85*(g)-43*(r))>>8 )+128)
#define	UNPACK16(pixel, r, g, b)   r=((pixel)&0xf800) >> 8; g=((pixel)&0x07e0) >> 3; b=(((pixel)&0x001f) << 3)
#define	VfromRGB(r, g, b)   CLIP(((128*(r)-107*(g)-21*(b))>>8) +128)
#define	YfromRGB(r, g, b)   CLIP((77*(r)+150*(g)+29*(b))>>8)

Typedefs
typedef struct Myrgb16	Myrgb16
typedef struct Myrgb24	Myrgb24
typedef struct Myrgb32	Myrgb32
typedef struct MyYUV422	MyYUV422
typedef struct MyYUV444	MyYUV444

Functions
unsigned char	B_FROMYU (unsigned char y, unsigned char u)
void	freeLut (void)
unsigned char	G_FROMYUV (unsigned char y, unsigned char u, unsigned char v)
void	initLut (void)
unsigned char	R_FROMYV (unsigned char y, unsigned char v)
unsigned char	RGB24_TO_Y (unsigned char r, unsigned char g, unsigned char b)
unsigned char	YB_TO_U (unsigned char b, unsigned char y)
unsigned char	YR_TO_V (unsigned char r, unsigned char y)

Macro Definition Documentation

#define CLIP

(

color

)

(unsigned char)(((color)>0xFF)?0xff:(((color)<0)?0:(color)))

Definition at line 50 of file color.h.

#define PACKRGB16	(		r,
			g,
			b
	)		(__u16) ((((b) & 0xF8) << 8 ) | (((g) & 0xFC) << 3 ) | (((r) & 0xF8) >> 3 ))

Definition at line 74 of file color.h.

#define UfromRGB	(		r,
			g,
			b
	)		CLIP(((128*(b)-85*(g)-43*(r))>>8 )+128)

Definition at line 71 of file color.h.

#define UNPACK16	(		pixel,
			r,
			g,
			b
	)		r=((pixel)&0xf800) >> 8; g=((pixel)&0x07e0) >> 3; b=(((pixel)&0x001f) << 3)

Definition at line 75 of file color.h.

#define VfromRGB	(		r,
			g,
			b
	)		CLIP(((128*(r)-107*(g)-21*(b))>>8) +128)

Definition at line 72 of file color.h.

#define YfromRGB	(		r,
			g,
			b
	)		CLIP((77*(r)+150*(g)+29*(b))>>8)

Definition at line 70 of file color.h.

Typedef Documentation

typedef struct Myrgb16 Myrgb16

typedef struct Myrgb24 Myrgb24

typedef struct Myrgb32 Myrgb32

typedef struct MyYUV422 MyYUV422

typedef struct MyYUV444 MyYUV444

Function Documentation

unsigned char B_FROMYU	(	unsigned char	y,
		unsigned char	u
	)

Definition at line 73 of file color.c.

void freeLut

(

void

)

Definition at line 120 of file color.c.

unsigned char G_FROMYUV	(	unsigned char	y,
		unsigned char	u,
		unsigned char	v
	)

Definition at line 68 of file color.c.

void initLut

(

void

)

Definition at line 78 of file color.c.

unsigned char R_FROMYV	(	unsigned char	y,
		unsigned char	v
	)

Definition at line 63 of file color.c.

unsigned char RGB24_TO_Y	(	unsigned char	r,
		unsigned char	g,
		unsigned char	b
	)

Definition at line 48 of file color.c.

unsigned char YB_TO_U	(	unsigned char	b,
		unsigned char	y
	)

Definition at line 58 of file color.c.

unsigned char YR_TO_V	(	unsigned char	r,
		unsigned char	y
	)

Definition at line 53 of file color.c.