libvips/libsrc/resample/resample_dispatch.c

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2009-02-24 17:40:10 +01:00
/* Function dispatch tables for mosaicing.
*
* J. Cupitt, 23/2/95
*/
/*
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <vips/intl.h>
#include <stdio.h>
#include <vips/vips.h>
#include <vips/internal.h>
#include <vips/transform.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif /*WITH_DMALLOC*/
/* affine args
*/
static im_arg_desc affine_args[] = {
IM_INPUT_IMAGE( "in" ),
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_DOUBLE( "a" ),
IM_INPUT_DOUBLE( "b" ),
IM_INPUT_DOUBLE( "c" ),
IM_INPUT_DOUBLE( "d" ),
IM_INPUT_DOUBLE( "dx" ),
IM_INPUT_DOUBLE( "dy" ),
IM_INPUT_INT( "x" ),
IM_INPUT_INT( "y" ),
IM_INPUT_INT( "w" ),
IM_INPUT_INT( "h" )
};
/* Call im_affine via arg vector.
*/
static int
affine_vec( im_object *argv )
{
double a = *((double *) argv[2]);
double b = *((double *) argv[3]);
double c = *((double *) argv[4]);
double d = *((double *) argv[5]);
double dx = *((double *) argv[6]);
double dy = *((double *) argv[7]);
int x = *((int *) argv[8]);
int y = *((int *) argv[9]);
int w = *((int *) argv[10]);
int h = *((int *) argv[11]);
return( im_affine( argv[0], argv[1], a, b, c, d, dx, dy, x, y, w, h ) );
}
/* Description of im_affine.
*/
static im_function affine_desc = {
"im_affine", /* Name */
"affine transform",
IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
affine_vec, /* Dispatch function */
IM_NUMBER( affine_args ), /* Size of arg list */
affine_args /* Arg list */
};
/* affinei args
*/
static im_arg_desc affinei_args[] = {
IM_INPUT_IMAGE( "in" ),
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_INTERPOLATE( "interpolate" ),
IM_INPUT_DOUBLE( "a" ),
IM_INPUT_DOUBLE( "b" ),
IM_INPUT_DOUBLE( "c" ),
IM_INPUT_DOUBLE( "d" ),
IM_INPUT_DOUBLE( "dx" ),
IM_INPUT_DOUBLE( "dy" ),
IM_INPUT_INT( "x" ),
IM_INPUT_INT( "y" ),
IM_INPUT_INT( "w" ),
IM_INPUT_INT( "h" )
};
/* Call im_affinei via arg vector.
*/
static int
affinei_vec( im_object *argv )
{
VipsInterpolate *interpolate = VIPS_INTERPOLATE( argv[2] );
double a = *((double *) argv[3]);
double b = *((double *) argv[4]);
double c = *((double *) argv[5]);
double d = *((double *) argv[6]);
double dx = *((double *) argv[7]);
double dy = *((double *) argv[8]);
int x = *((int *) argv[9]);
int y = *((int *) argv[10]);
int w = *((int *) argv[11]);
int h = *((int *) argv[12]);
return( im_affinei( argv[0], argv[1], interpolate,
a, b, c, d, dx, dy, x, y, w, h ) );
}
/* Description of im_affinei.
*/
static im_function affinei_desc = {
"im_affinei", /* Name */
"affine transform",
IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
affinei_vec, /* Dispatch function */
IM_NUMBER( affinei_args ), /* Size of arg list */
affinei_args /* Arg list */
};
/* affinei_all args
*/
static im_arg_desc affinei_all_args[] = {
IM_INPUT_IMAGE( "in" ),
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_INTERPOLATE( "interpolate" ),
IM_INPUT_DOUBLE( "a" ),
IM_INPUT_DOUBLE( "b" ),
IM_INPUT_DOUBLE( "c" ),
IM_INPUT_DOUBLE( "d" ),
IM_INPUT_DOUBLE( "dx" ),
IM_INPUT_DOUBLE( "dy" )
};
/* Call im_affinei_all via arg vector.
*/
static int
affinei_all_vec( im_object *argv )
{
VipsInterpolate *interpolate = VIPS_INTERPOLATE( argv[2] );
double a = *((double *) argv[3]);
double b = *((double *) argv[4]);
double c = *((double *) argv[5]);
double d = *((double *) argv[6]);
double dx = *((double *) argv[7]);
double dy = *((double *) argv[8]);
return( im_affinei_all( argv[0], argv[1], interpolate,
a, b, c, d, dx, dy ) );
}
/* Description of im_affinei_all.
*/
static im_function affinei_all_desc = {
"im_affinei_all", /* Name */
"affine transform of whole image",
IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
affinei_all_vec, /* Dispatch function */
IM_NUMBER( affinei_all_args ), /* Size of arg list */
affinei_all_args /* Arg list */
};
/* similarity args
*/
static im_arg_desc similarity_args[] = {
IM_INPUT_IMAGE( "in" ),
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_DOUBLE( "a" ),
IM_INPUT_DOUBLE( "b" ),
IM_INPUT_DOUBLE( "dx" ),
IM_INPUT_DOUBLE( "dy" )
};
/* Call im_similarity via arg vector.
*/
static int
similarity_vec( im_object *argv )
{
double a = *((double *) argv[2]);
double b = *((double *) argv[3]);
double dx = *((double *) argv[4]);
double dy = *((double *) argv[5]);
return( im_similarity( argv[0], argv[1], a, b, dx, dy ) );
}
/* Description of im_similarity.
*/
static im_function similarity_desc = {
"im_similarity", /* Name */
"similarity transformation",
IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
similarity_vec, /* Dispatch function */
IM_NUMBER( similarity_args ), /* Size of arg list */
similarity_args /* Arg list */
};
/* similarity_area args
*/
static im_arg_desc similarity_area_args[] = {
IM_INPUT_IMAGE( "in" ),
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_DOUBLE( "a" ),
IM_INPUT_DOUBLE( "b" ),
IM_INPUT_DOUBLE( "dx" ),
IM_INPUT_DOUBLE( "dy" ),
IM_INPUT_INT( "x" ),
IM_INPUT_INT( "y" ),
IM_INPUT_INT( "w" ),
IM_INPUT_INT( "h" )
};
/* Call im_similarity_area via arg vector.
*/
static int
similarity_area_vec( im_object *argv )
{
double a = *((double *) argv[2]);
double b = *((double *) argv[3]);
double dx = *((double *) argv[4]);
double dy = *((double *) argv[5]);
int x = *((int *) argv[6]);
int y = *((int *) argv[7]);
int w = *((int *) argv[8]);
int h = *((int *) argv[9]);
return( im_similarity_area( argv[0], argv[1], a, b, dx, dy,
x, y, w, h ) );
}
/* Description of im_similarity_area.
*/
static im_function similarity_area_desc = {
"im_similarity_area", /* Name */
"output area xywh of similarity transformation",
IM_FN_TRANSFORM | IM_FN_PIO, /* Flags */
similarity_area_vec, /* Dispatch function */
IM_NUMBER( similarity_area_args ), /* Size of arg list */
similarity_area_args /* Arg list */
};
/* Package up all these functions.
*/
static im_function *resample_list[] = {
&affine_desc,
&affinei_desc,
&affinei_all_desc,
&similarity_area_desc,
&similarity_desc
};
/* Package of functions.
*/
im_package im__resample = {
"resample",
IM_NUMBER( resample_list ),
resample_list
};