mirror of https://github.com/GNOME/gimp.git
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/* LIBGIMP - The GIMP 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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* <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include "gimpcolortypes.h"
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#include "gimphsv.h"
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/**
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* SECTION: gimphsv
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* @title: GimpHSV
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* @short_description: Definitions and Functions relating to HSV colors.
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*
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* Definitions and Functions relating to HSV colors.
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**/
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/*
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* GIMP_TYPE_HSV
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*/
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static GimpHSV * gimp_hsv_copy (const GimpHSV *hsv);
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GType
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gimp_hsv_get_type (void)
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{
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static GType hsv_type = 0;
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if (!hsv_type)
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hsv_type = g_boxed_type_register_static ("GimpHSV",
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(GBoxedCopyFunc) gimp_hsv_copy,
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(GBoxedFreeFunc) g_free);
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return hsv_type;
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}
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static GimpHSV *
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gimp_hsv_copy (const GimpHSV *hsv)
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{
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return g_memdup (hsv, sizeof (GimpHSV));
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}
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/* HSV functions */
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void
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gimp_hsv_set (GimpHSV *hsv,
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gdouble h,
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gdouble s,
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gdouble v)
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{
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g_return_if_fail (hsv != NULL);
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hsv->h = h;
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hsv->s = s;
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hsv->v = v;
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}
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void
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gimp_hsv_clamp (GimpHSV *hsv)
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{
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g_return_if_fail (hsv != NULL);
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hsv->h -= (gint) hsv->h;
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if (hsv->h < 0)
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hsv->h += 1.0;
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hsv->s = CLAMP (hsv->s, 0.0, 1.0);
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hsv->v = CLAMP (hsv->v, 0.0, 1.0);
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hsv->a = CLAMP (hsv->a, 0.0, 1.0);
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}
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void
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gimp_hsva_set (GimpHSV *hsva,
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gdouble h,
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gdouble s,
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gdouble v,
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gdouble a)
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{
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g_return_if_fail (hsva != NULL);
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hsva->h = h;
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hsva->s = s;
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hsva->v = v;
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hsva->a = a;
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}
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