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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpcolorscale.h
* Copyright (C) 2002 Sven Neumann <sven@gimp.org>
* Michael Natterer <mitch@gimp.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.
*/
/* This provides a color preview area. The preview
* can handle transparency by showing the checkerboard and
* handles drag'n'drop.
*/
#ifndef __GIMP_COLOR_SCALE_H__
#define __GIMP_COLOR_SCALE_H__
#include <gtk/gtkscale.h>
G_BEGIN_DECLS
#define GIMP_TYPE_COLOR_SCALE (gimp_color_scale_get_type ())
#define GIMP_COLOR_SCALE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_SCALE, GimpColorScale))
#define GIMP_COLOR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_SCALE, GimpColorScaleClass))
#define GIMP_IS_COLOR_SCALE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_SCALE))
#define GIMP_IS_COLOR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_SCALE))
#define GIMP_COLOR_SCALE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_SCALE, GimpColorScaleClass))
typedef struct _GimpColorScaleClass GimpColorScaleClass;
struct _GimpColorScale
{
GtkScale parent_instance;
/*< private >*/
GimpColorSelectorChannel channel;
GimpRGB rgb;
GimpHSV hsv;
guchar *buf;
guint width;
guint height;
guint rowstride;
gboolean needs_render;
};
struct _GimpColorScaleClass
{
GtkScaleClass parent_class;
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
};
GType gimp_color_scale_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_color_scale_new (GtkOrientation orientation,
GimpColorSelectorChannel channel);
void gimp_color_scale_set_channel (GimpColorScale *scale,
GimpColorSelectorChannel channel);
void gimp_color_scale_set_color (GimpColorScale *scale,
const GimpRGB *rgb,
const GimpHSV *hsv);
G_END_DECLS
#endif /* __GIMP_COLOR_SCALE_H__ */
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