color.h File Reference

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Classes
struct	Myrgb16
struct	Myrgb24
struct	Myrgb32
struct	MyYUV422
struct	MyYUV444
Defines
#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)

---

Define 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.