forked from AuroraMiddleware/gtk
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/*
|
||
* Copyright (C) 2000 Red Hat, Inc
|
||
*
|
||
* 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 PIXOPS_H
|
||
#define PIXOPS_H
|
||
|
||
#include <glib.h>
|
||
|
||
|
||
|
||
/* Interpolation modes; must match GdkInterpType */
|
||
typedef enum {
|
||
PIXOPS_INTERP_NEAREST,
|
||
PIXOPS_INTERP_TILES,
|
||
PIXOPS_INTERP_BILINEAR,
|
||
PIXOPS_INTERP_HYPER
|
||
} PixopsInterpType;
|
||
|
||
/* Scale src_buf from src_width / src_height by factors scale_x, scale_y
|
||
* and composite the portion corresponding to
|
||
* render_x, render_y, render_width, render_height in the new
|
||
* coordinate system into dest_buf starting at 0, 0
|
||
*/
|
||
void _pixops_composite (guchar *dest_buf,
|
||
int render_x0,
|
||
int render_y0,
|
||
int render_x1,
|
||
int render_y1,
|
||
int dest_rowstride,
|
||
int dest_channels,
|
||
int dest_has_alpha,
|
||
const guchar *src_buf,
|
||
int src_width,
|
||
int src_height,
|
||
int src_rowstride,
|
||
int src_channels,
|
||
int src_has_alpha,
|
||
double scale_x,
|
||
double scale_y,
|
||
PixopsInterpType interp_type,
|
||
int overall_alpha);
|
||
|
||
/* Scale src_buf from src_width / src_height by factors scale_x, scale_y
|
||
* and composite the portion corresponding to
|
||
* render_x, render_y, render_width, render_height in the new
|
||
* coordinate system against a checkboard with checks of size check_size
|
||
* of the colors color1 and color2 into dest_buf starting at 0, 0
|
||
*/
|
||
void _pixops_composite_color (guchar *dest_buf,
|
||
int render_x0,
|
||
int render_y0,
|
||
int render_x1,
|
||
int render_y1,
|
||
int dest_rowstride,
|
||
int dest_channels,
|
||
int dest_has_alpha,
|
||
const guchar *src_buf,
|
||
int src_width,
|
||
int src_height,
|
||
int src_rowstride,
|
||
int src_channels,
|
||
int src_has_alpha,
|
||
double scale_x,
|
||
double scale_y,
|
||
PixopsInterpType interp_type,
|
||
int overall_alpha,
|
||
int check_x,
|
||
int check_y,
|
||
int check_size,
|
||
guint32 color1,
|
||
guint32 color2);
|
||
|
||
/* Scale src_buf from src_width / src_height by factors scale_x, scale_y
|
||
* and composite the portion corresponding to
|
||
* render_x, render_y, render_width, render_height in the new
|
||
* coordinate system into dest_buf starting at 0, 0
|
||
*/
|
||
void _pixops_scale (guchar *dest_buf,
|
||
int render_x0,
|
||
int render_y0,
|
||
int render_x1,
|
||
int render_y1,
|
||
int dest_rowstride,
|
||
int dest_channels,
|
||
int dest_has_alpha,
|
||
const guchar *src_buf,
|
||
int src_width,
|
||
int src_height,
|
||
int src_rowstride,
|
||
int src_channels,
|
||
int src_has_alpha,
|
||
double scale_x,
|
||
double scale_y,
|
||
PixopsInterpType interp_type);
|
||
|
||
|
||
|
||
#endif
|