gtk2/gdk-pixbuf/gdk-pixbuf-transform.h

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2004-06-20 05:11:57 +00:00
/* GdkPixbuf library - transformations
*
* Copyright (C) 2003 The Free Software Foundation
*
* Authors: Mark Crichton <crichton@gimp.org>
* Miguel de Icaza <miguel@gnu.org>
* Federico Mena-Quintero <federico@gimp.org>
* Havoc Pennington <hp@redhat.com>
*
* 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 GDK_PIXBUF_TRANSFORM_H
#define GDK_PIXBUF_TRANSFORM_H
#include <glib.h>
#include <gdk-pixbuf/gdk-pixbuf-core.h>
G_BEGIN_DECLS
/* Scaling */
/* Interpolation modes */
typedef enum {
GDK_INTERP_NEAREST,
GDK_INTERP_TILES,
GDK_INTERP_BILINEAR,
GDK_INTERP_HYPER
} GdkInterpType;
typedef enum {
GDK_PIXBUF_ROTATE_NONE = 0,
GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE = 90,
GDK_PIXBUF_ROTATE_UPSIDEDOWN = 180,
GDK_PIXBUF_ROTATE_CLOCKWISE = 270
} GdkPixbufRotation;
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void gdk_pixbuf_scale (const GdkPixbuf *src,
GdkPixbuf *dest,
int dest_x,
int dest_y,
int dest_width,
int dest_height,
double offset_x,
double offset_y,
double scale_x,
double scale_y,
GdkInterpType interp_type);
void gdk_pixbuf_composite (const GdkPixbuf *src,
GdkPixbuf *dest,
int dest_x,
int dest_y,
int dest_width,
int dest_height,
double offset_x,
double offset_y,
double scale_x,
double scale_y,
GdkInterpType interp_type,
int overall_alpha);
void gdk_pixbuf_composite_color (const GdkPixbuf *src,
GdkPixbuf *dest,
int dest_x,
int dest_y,
int dest_width,
int dest_height,
double offset_x,
double offset_y,
double scale_x,
double scale_y,
GdkInterpType interp_type,
int overall_alpha,
int check_x,
int check_y,
int check_size,
guint32 color1,
guint32 color2);
GdkPixbuf *gdk_pixbuf_scale_simple (const GdkPixbuf *src,
int dest_width,
int dest_height,
GdkInterpType interp_type);
GdkPixbuf *gdk_pixbuf_composite_color_simple (const GdkPixbuf *src,
int dest_width,
int dest_height,
GdkInterpType interp_type,
int overall_alpha,
int check_size,
guint32 color1,
guint32 color2);
GdkPixbuf *gdk_pixbuf_rotate_simple (const GdkPixbuf *src,
GdkPixbufRotation angle);
GdkPixbuf *gdk_pixbuf_flip (const GdkPixbuf *src,
gboolean horizontal);
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G_END_DECLS
#endif /* GDK_PIXBUF_TRANSFORM_H */