gtk2/gtk/gtkhslaprivate.h
Benjamin Otte 9aac4dffc5 hsla: Add _gtk_hsla_shade()
We use it in multiple places, so better split it out.
2012-11-25 03:25:15 +01:00

52 lines
1.9 KiB
C

/* 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/>.
*/
#ifndef __GTK_HSLA_PRIVATE_H__
#define __GTK_HSLA_PRIVATE_H__
#include <gdk/gdk.h>
G_BEGIN_DECLS
typedef struct _GtkHSLA GtkHSLA;
struct _GtkHSLA {
double hue;
double saturation;
double lightness;
double alpha;
};
void _gtk_hsla_init (GtkHSLA *hsla,
double hue,
double saturation,
double lightness,
double alpha);
void _gtk_hsla_init_from_rgba (GtkHSLA *hsla,
const GdkRGBA *rgba);
/* Yes, I can name that function like this! */
void _gdk_rgba_init_from_hsla (GdkRGBA *rgba,
const GtkHSLA *hsla);
void _gtk_hsla_shade (GtkHSLA *dest,
const GtkHSLA *src,
double factor);
G_END_DECLS
#endif /* __GTK_HSLA_PRIVATE_H__ */