Learning_GTK4_tree/gdk/gdkhslaprivate.h

45 lines
1.4 KiB
C
Raw Normal View History

2023-12-12 11:36:42 +01:00
/* GTK - The GIMP Toolkit
* Copyright (C) 2012 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <gdk/gdkrgba.h>
G_BEGIN_DECLS
typedef struct _GdkHSLA GdkHSLA;
struct _GdkHSLA {
float hue;
float saturation;
float lightness;
float alpha;
};
void _gdk_hsla_init_from_rgba (GdkHSLA *hsla,
const GdkRGBA *rgba);
/* Yes, I can name that function like this! */
void _gdk_rgba_init_from_hsla (GdkRGBA *rgba,
const GdkHSLA *hsla);
void _gdk_hsla_shade (GdkHSLA *dest,
const GdkHSLA *src,
float factor);
G_END_DECLS