GIMP Library Reference Manual
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gimpcolorspace

Name

gimpcolorspace -- Utility functions which convert colors between different color models.

Synopsis



void        gimp_rgb_to_hsv                 (gint *red,
                                             gint *green,
                                             gint *blue);
void        gimp_hsv_to_rgb                 (gint *hue,
                                             gint *saturation,
                                             gint *value);
void        gimp_rgb_to_hls                 (gint *red,
                                             gint *green,
                                             gint *blue);
gint        gimp_rgb_to_l                   (gint red,
                                             gint green,
                                             gint blue);
void        gimp_hls_to_rgb                 (gint *hue,
                                             gint *lightness,
                                             gint *saturation);
void        gimp_rgb_to_hsv_double          (gdouble *red,
                                             gdouble *green,
                                             gdouble *blue);
void        gimp_hsv_to_rgb_double          (gdouble *hue,
                                             gdouble *saturation,
                                             gdouble *value);
void        gimp_rgb_to_hsv4                (guchar *hsv,
                                             gdouble *red,
                                             gdouble *green,
                                             gdouble *blue);
void        gimp_hsv_to_rgb4                (guchar *rgb,
                                             gdouble hue,
                                             gdouble saturation,
                                             gdouble value);
#define     INTENSITY_RED
#define     INTENSITY_GREEN
#define     INTENSITY_BLUE
#define     INTENSITY                       (r,g,b)

Description

When programming pixel data manipulation functions you will often use algorithms operating on a color model different from the one GIMP uses. This file provides utility functions to concert colors between different color spaces.

Details

gimp_rgb_to_hsv ()

void        gimp_rgb_to_hsv                 (gint *red,
                                             gint *green,
                                             gint *blue);

red : 
green : 
blue : 

gimp_hsv_to_rgb ()

void        gimp_hsv_to_rgb                 (gint *hue,
                                             gint *saturation,
                                             gint *value);

hue : 
saturation : 
value : 

gimp_rgb_to_hls ()

void        gimp_rgb_to_hls                 (gint *red,
                                             gint *green,
                                             gint *blue);

red : 
green : 
blue : 

gimp_rgb_to_l ()

gint        gimp_rgb_to_l                   (gint red,
                                             gint green,
                                             gint blue);

red : 
green : 
blue : 
Returns : 

gimp_hls_to_rgb ()

void        gimp_hls_to_rgb                 (gint *hue,
                                             gint *lightness,
                                             gint *saturation);

hue : 
lightness : 
saturation : 

gimp_rgb_to_hsv_double ()

void        gimp_rgb_to_hsv_double          (gdouble *red,
                                             gdouble *green,
                                             gdouble *blue);

red : 
green : 
blue : 

gimp_hsv_to_rgb_double ()

void        gimp_hsv_to_rgb_double          (gdouble *hue,
                                             gdouble *saturation,
                                             gdouble *value);

hue : 
saturation : 
value : 

gimp_rgb_to_hsv4 ()

void        gimp_rgb_to_hsv4                (guchar *hsv,
                                             gdouble *red,
                                             gdouble *green,
                                             gdouble *blue);

hsv : 
red : 
green : 
blue : 

gimp_hsv_to_rgb4 ()

void        gimp_hsv_to_rgb4                (guchar *rgb,
                                             gdouble hue,
                                             gdouble saturation,
                                             gdouble value);

rgb : 
hue : 
saturation : 
value : 

INTENSITY_RED

#define INTENSITY_RED   0.30

INTENSITY_GREEN

#define INTENSITY_GREEN 0.59

INTENSITY_BLUE

#define INTENSITY_BLUE  0.11

INTENSITY()

#define     INTENSITY(r,g,b)

r : 
g : 
b : 



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