gtk2/gtk/gtksymboliccolor.h
Carlos Garnacho ca44965f33 GtkSymbolicColor: Add gtk_symbolic_color_new_alpha()
This function modifies the alpha channel of a color, multiplying
it by a factor.
2010-12-04 15:38:28 +01:00

71 lines
2.8 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2010 Carlos Garnacho <carlosg@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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GTK_SYMBOLIC_COLOR_H__
#define __GTK_SYMBOLIC_COLOR_H__
#include <gdk/gdk.h>
G_BEGIN_DECLS
/* Dummy typedefs */
typedef struct _GtkSymbolicColor GtkSymbolicColor;
typedef struct _GtkGradient GtkGradient;
#define GTK_TYPE_SYMBOLIC_COLOR (gtk_symbolic_color_get_type ())
#define GTK_TYPE_GRADIENT (gtk_gradient_get_type ())
GType gtk_symbolic_color_get_type (void) G_GNUC_CONST;
GType gtk_gradient_get_type (void) G_GNUC_CONST;
GtkSymbolicColor * gtk_symbolic_color_new_literal (GdkRGBA *color);
GtkSymbolicColor * gtk_symbolic_color_new_name (const gchar *name);
GtkSymbolicColor * gtk_symbolic_color_new_shade (GtkSymbolicColor *color,
gdouble factor);
GtkSymbolicColor * gtk_symbolic_color_new_alpha (GtkSymbolicColor *color,
gdouble factor);
GtkSymbolicColor * gtk_symbolic_color_new_mix (GtkSymbolicColor *color1,
GtkSymbolicColor *color2,
gdouble factor);
GtkSymbolicColor * gtk_symbolic_color_ref (GtkSymbolicColor *color);
void gtk_symbolic_color_unref (GtkSymbolicColor *color);
GtkGradient * gtk_gradient_new_linear (gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1);
GtkGradient * gtk_gradient_new_radial (gdouble x0,
gdouble y0,
gdouble radius0,
gdouble x1,
gdouble y1,
gdouble radius1);
void gtk_gradient_add_color_stop (GtkGradient *gradient,
gdouble offset,
GtkSymbolicColor *color);
GtkGradient * gtk_gradient_ref (GtkGradient *gradient);
void gtk_gradient_unref (GtkGradient *gradient);
G_END_DECLS
#endif /* __GTK_SYMBOLIC_COLOR_H__ */