gimp/libgimpwidgets/gimpcolorarea.h

97 lines
3.4 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpcolorarea.h
* Copyright (C) 2001-2002 Sven Neumann <sven@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 3 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/>.
*/
/* This provides a color preview area. The preview
* can handle transparency by showing the checkerboard and
* handles drag'n'drop.
*/
#if !defined (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
#endif
#ifndef __GIMP_COLOR_AREA_H__
#define __GIMP_COLOR_AREA_H__
G_BEGIN_DECLS
#define GIMP_TYPE_COLOR_AREA (gimp_color_area_get_type ())
#define GIMP_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_AREA, GimpColorArea))
#define GIMP_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
#define GIMP_IS_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_AREA))
#define GIMP_IS_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_AREA))
#define GIMP_COLOR_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
typedef struct _GimpColorAreaClass GimpColorAreaClass;
struct _GimpColorArea
{
GtkDrawingArea parent_instance;
/*< private >*/
guchar *buf;
guint width;
guint height;
guint rowstride;
GimpColorAreaType type;
GimpRGB color;
guint draw_border : 1;
guint needs_render : 1;
};
struct _GimpColorAreaClass
{
GtkDrawingAreaClass parent_class;
void (* color_changed) (GimpColorArea *area);
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
};
GType gimp_color_area_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_color_area_new (const GimpRGB *color,
GimpColorAreaType type,
GdkModifierType drag_mask);
void gimp_color_area_set_color (GimpColorArea *area,
const GimpRGB *color);
void gimp_color_area_get_color (GimpColorArea *area,
GimpRGB *color);
gboolean gimp_color_area_has_alpha (GimpColorArea *area);
void gimp_color_area_set_type (GimpColorArea *area,
GimpColorAreaType type);
void gimp_color_area_set_draw_border (GimpColorArea *area,
gboolean draw_border);
G_END_DECLS
#endif /* __GIMP_COLOR_AREA_H__ */