mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-25 13:11:13 +00:00
a6b7469caf
Mon Jun 21 00:44:51 2004 Matthias Clasen <maclas@gmx.de> * gdk-pixbuf-transform.h: * gdk-pixbuf-scale.c (gdk_pixbuf_rotate_simple): * gdk-pixbuf-scale.c (gdk_pixbuf_flip): New functions to rotate pixbufs by multiples of 90 degrees and to flip them horizontally or vertically.
116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/* 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;
|
|
|
|
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);
|
|
|
|
G_END_DECLS
|
|
|
|
|
|
#endif /* GDK_PIXBUF_TRANSFORM_H */
|