gimp/libgimpwidgets/gimppreviewarea.h

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* 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 __GIMP_PREVIEW_AREA_H__
#define __GIMP_PREVIEW_AREA_H__
#include <gtk/gtkdrawingarea.h>
G_BEGIN_DECLS
#define GIMP_TYPE_PREVIEW_AREA (gimp_preview_area_get_type ())
#define GIMP_PREVIEW_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PREVIEW_AREA, GimpPreviewArea))
#define GIMP_PREVIEW_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PREVIEW_AREA, GimpPreviewAreaClass))
#define GIMP_IS_PREVIEW_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PREVIEW_AREA))
#define GIMP_IS_PREVIEW_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PREVIEW_AREA))
#define GIMP_PREVIEW_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PREVIEW_AREA, GimpPreviewArea))
typedef struct _GimpPreviewAreaClass GimpPreviewAreaClass;
struct _GimpPreviewArea
{
GtkDrawingArea parent_instance;
GimpCheckSize check_size;
GimpCheckType check_type;
gint width;
gint height;
gint rowstride;
gint offset_x;
gint offset_y;
gint max_width;
gint max_height;
guchar *buf;
guchar *colormap;
};
struct _GimpPreviewAreaClass
{
GtkDrawingAreaClass parent_class;
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
};
GType gimp_preview_area_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_preview_area_new (void);
void gimp_preview_area_draw (GimpPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
GimpImageType type,
const guchar *buf,
gint rowstride);
void gimp_preview_area_blend (GimpPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
GimpImageType type,
const guchar *buf1,
gint rowstride1,
const guchar *buf2,
gint rowstride2,
guchar opacity);
void gimp_preview_area_mask (GimpPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
GimpImageType type,
const guchar *buf1,
gint rowstride1,
const guchar *buf2,
gint rowstride2,
const guchar *mask,
gint rowstride_mask);
void gimp_preview_area_fill (GimpPreviewArea *area,
gint x,
gint y,
gint width,
gint height,
guchar red,
guchar green,
guchar blue);
void gimp_preview_area_set_offsets (GimpPreviewArea *area,
gint x,
gint y);
void gimp_preview_area_set_colormap (GimpPreviewArea *area,
const guchar *colormap,
gint num_colors);
void gimp_preview_area_set_max_size (GimpPreviewArea *area,
gint width,
gint height);
void gimp_preview_area_menu_popup (GimpPreviewArea *area,
GdkEventButton *event);
G_END_DECLS
#endif /* __GIMP_PREVIEW_AREA_H__ */