113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
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/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_COLOR_TYPES_H__
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#define __PIKA_COLOR_TYPES_H__
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#include <libpikabase/pikabasetypes.h>
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#include <libpikaconfig/pikaconfigtypes.h>
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G_BEGIN_DECLS
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/* For information look into the C source or the html documentation */
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typedef struct _PikaColorManaged PikaColorManaged; /* dummy typedef */
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typedef struct _PikaColorProfile PikaColorProfile;
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typedef struct _PikaColorTransform PikaColorTransform;
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/* usually we don't keep the structure definitions in the types file
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* but PikaRGB appears in too many header files...
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*/
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typedef struct _PikaRGB PikaRGB;
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typedef struct _PikaHSV PikaHSV;
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typedef struct _PikaHSL PikaHSL;
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typedef struct _PikaCMYK PikaCMYK;
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/**
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* PikaRGB:
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* @r: the red component
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* @g: the green component
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* @b: the blue component
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* @a: the alpha component
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*
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* Used to keep RGB and RGBA colors. All components are in a range of
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* [0.0..1.0].
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**/
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struct _PikaRGB
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{
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gdouble r, g, b, a;
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};
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/**
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* PikaHSV:
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* @h: the hue component
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* @s: the saturation component
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* @v: the value component
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* @a: the alpha component
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*
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* Used to keep HSV and HSVA colors. All components are in a range of
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* [0.0..1.0].
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**/
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struct _PikaHSV
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{
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gdouble h, s, v, a;
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};
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/**
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* PikaHSL:
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* @h: the hue component
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* @s: the saturation component
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* @l: the lightness component
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* @a: the alpha component
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*
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* Used to keep HSL and HSLA colors. All components are in a range of
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* [0.0..1.0].
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**/
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struct _PikaHSL
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{
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gdouble h, s, l, a;
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};
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/**
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* PikaCMYK:
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* @c: the cyan component
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* @m: the magenta component
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* @y: the yellow component
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* @k: the black component
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* @a: the alpha component
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*
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* Used to keep CMYK and CMYKA colors. All components are in a range
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* of [0.0..1.0]. An alpha value is somewhat useless in the CMYK
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* colorspace, but we keep one around anyway so color conversions
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* going to CMYK and back can preserve alpha.
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**/
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struct _PikaCMYK
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{
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gdouble c, m, y, k, a;
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};
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G_END_DECLS
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#endif /* __PIKA_COLOR_TYPES_H__ */
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