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/* @(#) Generalised addition of two vasari images using the routines
* @(#) im_gaddim or im_gfadd
* @(#) Convention to ease the complilation time.
* @(#) Function im_gadd() assumes that the both input files
* @(#) are either memory mapped or in a buffer.
* @(#) Images must have the same no of bands and must not be complex
* @(#) No check for overflow is carried out.
* @(#)
* @(#) int im_gadd(a, in1, b, in2, c, out)
* @(#) IMAGE *in1, *in2, *out;
* @(#) double a, b, c;
* @(#)
* @(#) Returns 0 on success and -1 on error
* @(#)
*
* Copyright: 1990, N. Dessipris.
*
* Author: Nicos Dessipris
* Written on: 02/05/1990
* Modified on:
*/
/*
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 <vips/intl.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <vips/vips.h>
int im_gfadd(double a, IMAGE *in1, double b, IMAGE *in2, double c, IMAGE *out);
int im_gaddim(double a, IMAGE *in1, double b, IMAGE *in2, double c, IMAGE *out);
/* This function works on either mmaped files or on images in buffer
*/
/**
* im_gadd:
*
* Deprecated.
*/
int im_gadd(double a, IMAGE *in1, double b, IMAGE *in2, double c, IMAGE *out)
{
int flagint = 0;
int flagfloat = 0;
int value = 0;
switch(in1->BandFmt) {
case IM_BANDFMT_UCHAR:
case IM_BANDFMT_CHAR:
case IM_BANDFMT_USHORT:
case IM_BANDFMT_SHORT:
case IM_BANDFMT_UINT:
case IM_BANDFMT_INT:
flagint = 1;
break;
case IM_BANDFMT_FLOAT:
case IM_BANDFMT_DOUBLE:
flagfloat = 1;
break;
default: im_error("im_gadd","%s", _("Unable to accept image1"));
return(-1);
}
switch(in2->BandFmt) {
case IM_BANDFMT_UCHAR:
case IM_BANDFMT_CHAR:
case IM_BANDFMT_USHORT:
case IM_BANDFMT_SHORT:
case IM_BANDFMT_UINT:
case IM_BANDFMT_INT:
flagint = 1;
break;
case IM_BANDFMT_FLOAT:
case IM_BANDFMT_DOUBLE:
flagfloat = 1;
break;
default: im_error("im_gadd","%s", _("Unable to accept image1"));
return(-1);
}
/* Select output routines */
if (flagfloat == 1)
{
value = im_gfadd(a, in1, b, in2, c, out);
if (value == -1)
return(-1);
}
else if (flagint == 1)
{
value = im_gaddim(a, in1, b, in2, c, out);
if (value == -1)
return(-1);
}
else
assert( 0 );
return(0);
}
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