gimp/plug-ins/libgimpoldpreview/gimpoldpreview.h

99 lines
3.8 KiB
C

/* LIBGIMPOLDPREVIEW
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpoldpreview.h
* This file contains the implementation of the gimpoldpreview widget
* which is used by a few plug-ins. This shouldn't be used by any
* foreign plug-in, because it uses some deprecated stuff. We only
* used it there since we do not a better preview widget for now.
*
* 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_OLD_PREVIEW_H__
#define __GIMP_OLD_PREVIEW_H__
#include <libgimp/gimptypes.h>
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
/* Preview stuff. WARNING: don't use this in new code!!!!!!!
* It's just here to extract some general preview stuff from plug-ins so
* that it will be easier to change them when we have a real effect preview
* widget.
* Don't say I didn't warn you (Maurits).
*/
typedef struct
{
GtkWidget *widget;
GtkWidget *frame;
guchar *cache;
guchar *even;
guchar *odd;
guchar *buffer;
gint width;
gint height;
gint rowstride;
gint bpp; /* bpp of the drawable */
guchar *cmap;
gint ncolors;
gdouble scale_x;
gdouble scale_y;
gboolean is_gray;
} GimpOldPreview;
typedef void (*GimpOldPreviewFunc) (const guchar *src,
guchar *dest,
gint bpp,
gpointer data);
GimpOldPreview * gimp_old_preview_new (GimpDrawable *drawable);
GimpOldPreview * gimp_old_preview_new2 (GimpImageType drawable_type);
void gimp_old_preview_free (GimpOldPreview *preview);
void gimp_old_preview_update (GimpOldPreview *preview,
GimpOldPreviewFunc func,
gpointer data);
void gimp_old_preview_fill_with_thumb (GimpOldPreview *preview,
gint32 drawable_ID);
void gimp_old_preview_fill (GimpOldPreview *preview,
GimpDrawable *drawable);
void gimp_old_preview_fill_scaled (GimpOldPreview *preview,
GimpDrawable *drawable);
void gimp_old_preview_do_row (GimpOldPreview *preview,
gint row,
gint width,
const guchar *src);
void gimp_old_preview_put_pixel (GimpOldPreview *preview,
gint x,
gint y,
const guchar *pixel);
void gimp_old_preview_get_pixel (GimpOldPreview *preview,
gint x,
gint y,
guchar *pixel);
G_END_DECLS
#endif /* __GIMP_OLD_PREVIEW_H__ */