/* convolution.h
 *
 * 20/9/09
 * 	- from proto.h
 */

/*

	This file is part of VIPS.

	VIPS 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 program 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 program; if not, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	02110-1301  USA

 */

/*

	These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk

 */

#ifndef VIPS_CONVOLUTION_H
#define VIPS_CONVOLUTION_H

#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/

typedef enum {
	VIPS_COMBINE_MAX,
	VIPS_COMBINE_SUM,
	VIPS_COMBINE_MIN,
	VIPS_COMBINE_LAST	/*< skip >*/
} VipsCombine;

VIPS_API
int vips_conv(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_convf(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_convi(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_conva(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_convsep(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_convasep(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;

VIPS_API
int vips_compass(VipsImage *in, VipsImage **out, VipsImage *mask, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_gaussblur(VipsImage *in, VipsImage **out, double sigma, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_sharpen(VipsImage *in, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;

VIPS_API
int vips_spcor(VipsImage *in, VipsImage *ref, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_fastcor(VipsImage *in, VipsImage *ref, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;

VIPS_API
int vips_sobel(VipsImage *in, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_scharr(VipsImage *in, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_prewitt(VipsImage *in, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_canny(VipsImage *in, VipsImage **out, ...)
	G_GNUC_NULL_TERMINATED;

#ifdef __cplusplus
}
#endif /*__cplusplus*/

#endif /*VIPS_CONVOLUTION_H*/
