/* VIPS function dispatch tables for convolution.
 *
 * J. Cupitt, 14/2/95.
 */

/*

	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

 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <glib/gi18n-lib.h>

#include <stdio.h>

#include <vips/vips.h>
#include <vips/vips7compat.h>

/* One image in, one out.
 */
static im_arg_desc one_in_one_out[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out")
};

/* Two images in, one out.
 */
static im_arg_desc two_in_one_out[] = {
	IM_INPUT_IMAGE("in1"),
	IM_INPUT_IMAGE("in2"),
	IM_OUTPUT_IMAGE("out")
};

/* Args to im_addgnoise.
 */
static im_arg_desc addgnoise_args[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_DOUBLE("sigma")
};

/* Call im_addgnoise via arg vector.
 */
static int
addgnoise_vec(im_object *argv)
{
	double sigma = *((double *) argv[2]);

	return im_addgnoise(argv[0], argv[1], sigma);
}

/* Description of im_addgnoise.
 */
static im_function addgnoise_desc = {
	"im_addgnoise", /* Name */
	"add gaussian noise with mean 0 and std. dev. sigma",
	IM_FN_PIO,				   /* Flags */
	addgnoise_vec,			   /* Dispatch function */
	IM_NUMBER(addgnoise_args), /* Size of arg list */
	addgnoise_args			   /* Arg list */
};

/* Args to im_contrast_surface.
 */
static im_arg_desc contrast_surface_args[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_INT("half_win_size"),
	IM_INPUT_INT("spacing")
};

/* Call im_contrast_surface via arg vector.
 */
static int
contrast_surface_vec(im_object *argv)
{
	int half_win_size = *((int *) argv[2]);
	int spacing = *((int *) argv[3]);

	return im_contrast_surface(argv[0], argv[1],
		half_win_size, spacing);
}

/* Description of im_contrast_surface.
 */
static im_function contrast_surface_desc = {
	"im_contrast_surface", /* Name */
	"find high-contrast points in an image",
	IM_FN_PIO,						  /* Flags */
	contrast_surface_vec,			  /* Dispatch function */
	IM_NUMBER(contrast_surface_args), /* Size of arg list */
	contrast_surface_args			  /* Arg list */
};

/* Args to im_sharpen.
 */
static im_arg_desc sharpen_args[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_INT("mask_size"),
	IM_INPUT_DOUBLE("x1"),
	IM_INPUT_DOUBLE("y2"),
	IM_INPUT_DOUBLE("y3"),
	IM_INPUT_DOUBLE("m1"),
	IM_INPUT_DOUBLE("m2")
};

/* Call im_sharpen via arg vector.
 */
static int
sharpen_vec(im_object *argv)
{
	int mask_size = *((int *) argv[2]);
	double x1 = *((double *) argv[3]);
	double x2 = *((double *) argv[4]);
	double x3 = *((double *) argv[5]);
	double m1 = *((double *) argv[6]);
	double m2 = *((double *) argv[7]);

	return im_sharpen(argv[0], argv[1], mask_size, x1, x2, x3, m1, m2);
}

/* Description of im_sharpen.
 */
static im_function sharpen_desc = {
	"im_sharpen", /* Name */
	"sharpen high frequencies of L channel of LabQ",
	IM_FN_PIO,				 /* Flags */
	sharpen_vec,			 /* Dispatch function */
	IM_NUMBER(sharpen_args), /* Size of arg list */
	sharpen_args			 /* Arg list */
};

/* Args for convolver with imask.
 */
static im_arg_desc conv_imask[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_IMASK("matrix")
};

/* Args for convolver with dmask.
 */
static im_arg_desc conv_dmask[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_DMASK("matrix")
};

/* Call im_compass via arg vector.
 */
static int
compass_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_compass(argv[0], argv[1], mo->mask);
}

/* Description of im_compass.
 */
static im_function compass_desc = {
	"im_compass", /* Name */
	"convolve with 8-way rotating integer mask",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	compass_vec,				 /* Dispatch function */
	IM_NUMBER(conv_imask),		 /* Size of arg list */
	conv_imask					 /* Arg list */
};

/* Call im_conv via arg vector.
 */
static int
conv_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_conv(argv[0], argv[1], mo->mask);
}

/* Description of im_conv.
 */
static im_function conv_desc = {
	"im_conv", /* Name */
	"convolve",
	IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
	conv_vec,					 /* Dispatch function */
	IM_NUMBER(conv_imask),		 /* Size of arg list */
	conv_imask					 /* Arg list */
};

/* Call im_conv_f via arg vector.
 */
static int
conv_f_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_conv_f(argv[0], argv[1], mo->mask);
}

/* Description of im_conv_f.
 */
static im_function conv_f_desc = {
	"im_conv_f", /* Name */
	"convolve, with DOUBLEMASK",
	IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
	conv_f_vec,					 /* Dispatch function */
	IM_NUMBER(conv_dmask),		 /* Size of arg list */
	conv_dmask					 /* Arg list */
};

/* Call im_convsep via arg vector.
 */
static int
convsep_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_convsep(argv[0], argv[1], mo->mask);
}

/* Description of im_convsep.
 */
static im_function convsep_desc = {
	"im_convsep", /* Name */
	"seperable convolution",
	IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
	convsep_vec,				 /* Dispatch function */
	IM_NUMBER(conv_imask),		 /* Size of arg list */
	conv_imask					 /* Arg list */
};

/* Call im_convsep_f via arg vector.
 */
static int
convsep_f_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_convsep_f(argv[0], argv[1], mo->mask);
}

/* Description of im_convsep_f.
 */
static im_function convsep_f_desc = {
	"im_convsep_f", /* Name */
	"seperable convolution, with DOUBLEMASK",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	convsep_f_vec,				 /* Dispatch function */
	IM_NUMBER(conv_dmask),		 /* Size of arg list */
	conv_dmask					 /* Arg list */
};

/* Call im_fastcor via arg vector.
 */
static int
fastcor_vec(im_object *argv)
{
	return im_fastcor(argv[0], argv[1], argv[2]);
}

/* Description of im_fastcor.
 */
static im_function fastcor_desc = {
	"im_fastcor", /* Name */
	"fast correlate in2 within in1",
	IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
	fastcor_vec,				 /* Dispatch function */
	IM_NUMBER(two_in_one_out),	 /* Size of arg list */
	two_in_one_out				 /* Arg list */
};

/* Call im_grad_x via arg vector.
 */
static int
grad_x_vec(im_object *argv)
{
	return im_grad_x(argv[0], argv[1]);
}

/* Description of im_grad_x.
 */
static im_function grad_x_desc = {
	"im_grad_x", /* Name */
	"horizontal difference image",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	grad_x_vec,					 /* Dispatch function */
	IM_NUMBER(one_in_one_out),	 /* Size of arg list */
	one_in_one_out				 /* Arg list */
};

/* Call im_grad_y via arg vector.
 */
static int
grad_y_vec(im_object *argv)
{
	return im_grad_y(argv[0], argv[1]);
}

/* Description of im_grad_y.
 */
static im_function grad_y_desc = {
	"im_grad_y", /* Name */
	"vertical difference image",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	grad_y_vec,					 /* Dispatch function */
	IM_NUMBER(one_in_one_out),	 /* Size of arg list */
	one_in_one_out				 /* Arg list */
};

/* Call im_gradcor via arg vector.
 */
static int
gradcor_vec(im_object *argv)
{
	return im_gradcor(argv[0], argv[1], argv[2]);
}

/* Description of im_gradcor.
 */
static im_function gradcor_desc = {
	"im_gradcor", /* Name */
	"non-normalised correlation of gradient of in2 within in1",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	gradcor_vec,				 /* Dispatch function */
	IM_NUMBER(two_in_one_out),	 /* Size of arg list */
	two_in_one_out				 /* Arg list */
};

/* Call im_gradient via arg vector.
 */
static int
gradient_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_gradient(argv[0], argv[1], mo->mask);
}

/* Description of im_gradient.
 */
static im_function gradient_desc = {
	"im_gradient", /* Name */
	"convolve with 2-way rotating mask",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	gradient_vec,				 /* Dispatch function */
	IM_NUMBER(conv_imask),		 /* Size of arg list */
	conv_imask					 /* Arg list */
};

/* Call im_lindetect via arg vector.
 */
static int
lindetect_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];

	return im_lindetect(argv[0], argv[1], mo->mask);
}

/* Description of im_lindetect.
 */
static im_function lindetect_desc = {
	"im_lindetect", /* Name */
	"convolve with 4-way rotating mask",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	lindetect_vec,				 /* Dispatch function */
	IM_NUMBER(conv_imask),		 /* Size of arg list */
	conv_imask					 /* Arg list */
};

/* Call im_spcor via arg vector.
 */
static int
spcor_vec(im_object *argv)
{
	return im_spcor(argv[0], argv[1], argv[2]);
}

/* Description of im_spcor.
 */
static im_function spcor_desc = {
	"im_spcor", /* Name */
	"normalised correlation of in2 within in1",
	IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */
	spcor_vec,					 /* Dispatch function */
	IM_NUMBER(two_in_one_out),	 /* Size of arg list */
	two_in_one_out				 /* Arg list */
};

/* Args for im_aconv().
 */
static im_arg_desc aconv_args[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_DMASK("matrix"),
	IM_INPUT_INT("n_layers"),
	IM_INPUT_INT("cluster")
};

/* Call im_aconv via arg vector.
 */
static int
aconv_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];
	int n_layers = *((int *) argv[3]);
	int cluster = *((int *) argv[4]);

	return im_aconv(argv[0], argv[1], mo->mask, n_layers, cluster);
}

/* Description of im_aconv.
 */
static im_function aconv_desc = {
	"im_aconv", /* Name */
	"approximate convolution",
	IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
	aconv_vec,					 /* Dispatch function */
	IM_NUMBER(aconv_args),		 /* Size of arg list */
	aconv_args					 /* Arg list */
};

/* Args for im_aconvsep().
 */
static im_arg_desc aconvsep_args[] = {
	IM_INPUT_IMAGE("in"),
	IM_OUTPUT_IMAGE("out"),
	IM_INPUT_DMASK("matrix"),
	IM_INPUT_INT("n_layers")
};

/* Call im_aconvsep via arg vector.
 */
static int
aconvsep_vec(im_object *argv)
{
	im_mask_object *mo = argv[2];
	int n_layers = *((int *) argv[3]);

	return im_aconvsep(argv[0], argv[1], mo->mask, n_layers);
}

/* Description of im_aconvsep.
 */
static im_function aconvsep_desc = {
	"im_aconvsep", /* Name */
	"approximate separable convolution",
	IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
	aconvsep_vec,				 /* Dispatch function */
	IM_NUMBER(aconvsep_args),	 /* Size of arg list */
	aconvsep_args				 /* Arg list */
};

/* Package up all these functions.
 */
static im_function *convol_list[] = {
	&aconvsep_desc,
	&aconv_desc,
	&addgnoise_desc,
	&compass_desc,
	&contrast_surface_desc,
	&conv_desc,
	&conv_f_desc,
	&convsep_desc,
	&convsep_f_desc,
	&fastcor_desc,
	&gradcor_desc,
	&gradient_desc,
	&grad_x_desc,
	&grad_y_desc,
	&lindetect_desc,
	&sharpen_desc,
	&spcor_desc,
};

/* Package of functions.
 */
im_package im__convolution = {
	"convolution",
	IM_NUMBER(convol_list),
	convol_list
};
