GIMP Color 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                 (const GimpRGB *rgb,
                                                 GimpHSV *hsv);
    void        gimp_rgb_to_hsl                 (const GimpRGB *rgb,
                                                 gdouble *hue,
                                                 gdouble *saturation,
                                                 gdouble *lightness);
    void        gimp_hsv_to_rgb                 (const GimpHSV *hsv,
                                                 GimpRGB *rgb);
    void        gimp_hsl_to_rgb                 (gdouble hue,
                                                 gdouble saturation,
                                                 gdouble lightness,
                                                 GimpRGB *rgb);
    void        gimp_rgb_to_hwb                 (const GimpRGB *rgb,
                                                 gdouble *hue,
                                                 gdouble *whiteness,
                                                 gdouble *blackness);
    void        gimp_hwb_to_rgb                 (gdouble hue,
                                                 gdouble whiteness,
                                                 gdouble blackness,
                                                 GimpRGB *rgb);
    void        gimp_rgb_to_hsv_int             (gint *red,
                                                 gint *green,
                                                 gint *blue);
    void        gimp_hsv_to_rgb_int             (gint *hue,
                                                 gint *saturation,
                                                 gint *value);
    void        gimp_rgb_to_hls_int             (gint *red,
                                                 gint *green,
                                                 gint *blue);
    gint        gimp_rgb_to_l_int               (gint red,
                                                 gint green,
                                                 gint blue);
    void        gimp_hls_to_rgb_int             (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 *rgb,
                                                 gdouble *hue,
                                                 gdouble *saturation,
                                                 gdouble *value);
    void        gimp_hsv_to_rgb4                (guchar *rgb,
                                                 gdouble hue,
                                                 gdouble saturation,
                                                 gdouble value);

## 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                 (const GimpRGB *rgb,
                                                 GimpHSV *hsv);

`rgb` : |
`hsv` : |

### gimp_rgb_to_hsl ()

    void        gimp_rgb_to_hsl                 (const GimpRGB *rgb,
                                                 gdouble *hue,
                                                 gdouble *saturation,
                                                 gdouble *lightness);

`rgb` : |
`hue` : |
`saturation` : |
`lightness` : |

### gimp_hsv_to_rgb ()

    void        gimp_hsv_to_rgb                 (const GimpHSV *hsv,
                                                 GimpRGB *rgb);

`hsv` : |
`rgb` : |

### gimp_hsl_to_rgb ()

    void        gimp_hsl_to_rgb                 (gdouble hue,
                                                 gdouble saturation,
                                                 gdouble lightness,
                                                 GimpRGB *rgb);

`hue` : |
`saturation` : |
`lightness` : |
`rgb` : |

### gimp_rgb_to_hwb ()

    void        gimp_rgb_to_hwb                 (const GimpRGB *rgb,
                                                 gdouble *hue,
                                                 gdouble *whiteness,
                                                 gdouble *blackness);

`rgb` : |
`hue` : |
`whiteness` : |
`blackness` : |

### gimp_hwb_to_rgb ()

    void        gimp_hwb_to_rgb                 (gdouble hue,
                                                 gdouble whiteness,
                                                 gdouble blackness,
                                                 GimpRGB *rgb);

`hue` : |
`whiteness` : |
`blackness` : |
`rgb` : |

### gimp_rgb_to_hsv_int ()

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

`red` : |
`green` : |
`blue` : |

### gimp_hsv_to_rgb_int ()

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

`hue` : |
`saturation` : |
`value` : |

### gimp_rgb_to_hls_int ()

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

`red` : |
`green` : |
`blue` : |

### gimp_rgb_to_l_int ()

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

`red` : |
`green` : |
`blue` : |
Returns : |

### gimp_hls_to_rgb_int ()

    void        gimp_hls_to_rgb_int             (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 *rgb,
                                                 gdouble *hue,
                                                 gdouble *saturation,
                                                 gdouble *value);

`rgb` : |
`hue` : |
`saturation` : |
`value` : |

### gimp_hsv_to_rgb4 ()

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

`rgb` : |
`hue` : |
`saturation` : |
`value` : |

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GimpHSV | GimpAdaptiveSupersample