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#ifndef PIXOPS_H
#define PIXOPS_H
#include <glib.h>
/* Interpolation modes; must match PixopsInterpType */
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
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