mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-09-30 19:17:34 +00:00
e29be8885f
2004-05-10 Matthias Clasen <mclasen@redhat.com> * pixops/timescale.c: * pixops/pixops.c: * pixops/pixops.h: * gdk-pixbuf-scale.c: _-prefix the nonstatic pixops_... functions. (#142233, Morten Welinder)
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
#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
|