Gcolor.h File Reference

#include <gtk/gtk.h>
#include "Gimage.h"
#include <math.h>

Go to the source code of this file.

Macros
#define	__USE_ISOC9X   1
#define	__USE_ISOC99   1
#define	gui_lrint(v)   __gui_lrint_code(v)
#define	PREVCOL_SHIFT   10
#define	PREVCOL_HALF   (1 << (PREVCOL_SHIFT - 1))
#define	PREVCOL_FIX(x)   ((int) ((x) * (1<<PREVCOL_SHIFT) + 0.5))
#define	PREVCOL_MAX_NEG_CROP   1024

Functions
void	prev_rgbToHsv (guchar rc, guchar gc, guchar bc, guchar *h, guchar *s, guchar *v)
void	prev_hsvToRgb (guchar h, guchar s, guchar v, guchar *rc, guchar *gc, guchar *bc)
void	prev_yuvToRgbVis (guchar yc, guchar uc, guchar vc, guchar *rc, guchar *gc, guchar *bc)
void	prev_rgbToYuvVis (guchar rc, guchar gc, guchar bc, guchar *yc, guchar *uc, guchar *vc)
void	prev_col_init (void)

Variables
guchar	prev_col_cropTbl [256+2 *PREVCOL_MAX_NEG_CROP]

---

Macro Definition Documentation

#define __USE_ISOC9X   1

#define __USE_ISOC99   1

#define gui_lrint

(

v

)

__gui_lrint_code(v)

#define PREVCOL_SHIFT   10

PRIVATE

#define PREVCOL_HALF   (1 << (PREVCOL_SHIFT - 1))

#define PREVCOL_FIX

(

x

)

((int) ((x) * (1<<PREVCOL_SHIFT) + 0.5))

#define PREVCOL_MAX_NEG_CROP   1024

---

Function Documentation

void prev_rgbToHsv	(	guchar	rc,
		guchar	gc,
		guchar	bc,
		guchar *	h,
		guchar *	s,
		guchar *	v
	)

  Perform RGB to HSV conversion. The intervall is allways 0..255.

void prev_hsvToRgb	(	guchar	h,
		guchar	s,
		guchar	v,
		guchar *	rc,
		guchar *	gc,
		guchar *	bc
	)

  Perform HSV to RGB conversion. The intervall is  allways 0..255.

void prev_yuvToRgbVis	(	guchar	yc,
		guchar	uc,
		guchar	vc,
		guchar *	rc,
		guchar *	gc,
		guchar *	bc
	)

  Perform YUV to RGB conversion with intervall expansion.

void prev_rgbToYuvVis	(	guchar	rc,
		guchar	gc,
		guchar	bc,
		guchar *	yc,
		guchar *	uc,
		guchar *	vc
	)

  Perform RGB to YUV conversion with intervall reduction.

void prev_col_init

(

void

)

  PRIVATE: Initialize the color module.

---

Variable Documentation

guchar prev_col_cropTbl[256+2 *PREVCOL_MAX_NEG_CROP]