1 /* GTK - The GIMP Toolkit 2 * Copyright (C) 2012 Benjamin Otte <otte@gnome.org> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __GTK_HSLA_PRIVATE_H__ 19 #define __GTK_HSLA_PRIVATE_H__ 20 21 #include <gdk/gdk.h> 22 23 G_BEGIN_DECLS 24 25 typedef struct _GtkHSLA GtkHSLA; 26 27 struct _GtkHSLA { 28 double hue; 29 double saturation; 30 double lightness; 31 double alpha; 32 }; 33 34 void _gtk_hsla_init (GtkHSLA *hsla, 35 double hue, 36 double saturation, 37 double lightness, 38 double alpha); 39 void _gtk_hsla_init_from_rgba (GtkHSLA *hsla, 40 const GdkRGBA *rgba); 41 /* Yes, I can name that function like this! */ 42 void _gdk_rgba_init_from_hsla (GdkRGBA *rgba, 43 const GtkHSLA *hsla); 44 45 void _gtk_hsla_shade (GtkHSLA *dest, 46 const GtkHSLA *src, 47 double factor); 48 49 G_END_DECLS 50 51 #endif /* __GTK_HSLA_PRIVATE_H__ */ 52