mirror of https://github.com/GNOME/gimp.git
106 lines
4.0 KiB
C
106 lines
4.0 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpcolorarea.h
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* Copyright (C) 2001-2002 Sven Neumann <sven@gimp.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* This provides a color preview area. The preview
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* can handle transparency by showing the checkerboard and
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* handles drag'n'drop.
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*/
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#ifndef __GIMP_COLOR_AREA_H__
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#define __GIMP_COLOR_AREA_H__
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#include <gtk/gtkdrawingarea.h>
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G_BEGIN_DECLS
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#define GIMP_TYPE_COLOR_AREA (gimp_color_area_get_type ())
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#define GIMP_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_AREA, GimpColorArea))
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#define GIMP_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
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#define GIMP_IS_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_AREA))
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#define GIMP_IS_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_AREA))
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#define GIMP_COLOR_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
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typedef struct _GimpColorAreaClass GimpColorAreaClass;
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struct _GimpColorArea
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{
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GtkDrawingArea parent_instance;
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/*< private >*/
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guchar *buf;
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guint width;
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guint height;
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guint rowstride;
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GimpColorAreaType type;
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GimpRGB color;
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guint draw_border : 1;
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guint needs_render : 1;
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};
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struct _GimpColorAreaClass
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{
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GtkDrawingAreaClass parent_class;
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void (* color_changed) (GimpColorArea *area);
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/* Padding for future expansion */
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void (* _gimp_reserved1) (void);
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void (* _gimp_reserved2) (void);
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void (* _gimp_reserved3) (void);
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void (* _gimp_reserved4) (void);
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};
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GType gimp_color_area_get_type (void) G_GNUC_CONST;
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GtkWidget * gimp_color_area_new (const GimpRGB *color,
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GimpColorAreaType type,
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GdkModifierType drag_mask);
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void gimp_color_area_set_color (GimpColorArea *area,
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const GimpRGB *color);
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void gimp_color_area_get_color (GimpColorArea *area,
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GimpRGB *color);
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gboolean gimp_color_area_has_alpha (GimpColorArea *area);
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void gimp_color_area_set_type (GimpColorArea *area,
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GimpColorAreaType type);
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void gimp_color_area_set_draw_border (GimpColorArea *area,
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gboolean draw_border);
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/* only for private use in libgimpwidgets */
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G_GNUC_INTERNAL void _gimp_color_area_render_buf (GtkWidget *widget,
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gboolean insensitive,
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GimpColorAreaType type,
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guchar *buf,
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guint width,
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guint height,
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guint rowstride,
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GimpRGB *color);
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G_END_DECLS
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#endif /* __GIMP_COLOR_AREA_H__ */
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