gtk2/gdk-pixbuf/pixops/pixops.h
Michael Meeks 45cb0268b9 By order of jrb: const patch for various bits, io-gif.c fixup for
By order of jrb:
	const patch for various bits,
	io-gif.c fixup for animations.
2000-02-03 23:36:14 +00:00

81 lines
3.0 KiB
C

#include <libart_lgpl/art_misc.h>
#include <libart_lgpl/art_filterlevel.h>
/* 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 (art_u8 *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 art_u8 *src_buf,
int src_width,
int src_height,
int src_rowstride,
int src_channels,
int src_has_alpha,
double scale_x,
double scale_y,
ArtFilterLevel filter_level,
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 (art_u8 *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 art_u8 *src_buf,
int src_width,
int src_height,
int src_rowstride,
int src_channels,
int src_has_alpha,
double scale_x,
double scale_y,
ArtFilterLevel filter_level,
int overall_alpha,
int check_x,
int check_y,
int check_size,
art_u32 color1,
art_u32 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 (art_u8 *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 art_u8 *src_buf,
int src_width,
int src_height,
int src_rowstride,
int src_channels,
int src_has_alpha,
double scale_x,
double scale_y,
ArtFilterLevel filter_level);