90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* @(#) To join two images left right. The resultant image has
|
|
* @(#) Xsize = im1.Xsize + im2.Xsize and Ysize the min of im1.Ysize, im2.Ysize
|
|
* @(#) Input images should have the same number of Bands and BandFmt
|
|
* @(#)
|
|
* @(#) Usage:
|
|
* @(#) int im_lrjoin( IMAGE *left, IMAGE *right, IMAGE *out)
|
|
* @(#) IMAGE *left, *right, *out;
|
|
* @(#)
|
|
* @(#)
|
|
*
|
|
* Copyright 1990, 1991: Kirk Martinez, N. Dessipris
|
|
* Author: Kirk Martinez, N. Dessipris
|
|
* Written on: 9/6/90
|
|
* Modified on: 17/04/1991
|
|
* 31/8/93 JC
|
|
* - args to memcpy() were reversed
|
|
* 14/11/94 JC
|
|
* - tided up and ANSIfied
|
|
* - now accepts IM_CODING_LABQ
|
|
* - memory leaks removed
|
|
* - bug in calculation of output Xsize removed (thanks Thomson!)
|
|
* - bug in checking of image compatibility fixed
|
|
* 23/10/95 JC
|
|
* - rewritten in terms of im_insert()
|
|
* 14/4/04
|
|
* - sets Xoffset / Yoffset
|
|
*/
|
|
|
|
/*
|
|
|
|
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 <stdlib.h>
|
|
|
|
#include <vips/vips.h>
|
|
|
|
#ifdef WITH_DMALLOC
|
|
#include <dmalloc.h>
|
|
#endif /*WITH_DMALLOC*/
|
|
|
|
int
|
|
im_lrjoin( IMAGE *left, IMAGE *right, IMAGE *out )
|
|
{
|
|
IMAGE *t1 = im_open_local( out, "im_lrjoin:1", "p" );
|
|
|
|
/* Paste right and left together.
|
|
*/
|
|
if( !t1 || im_insert( left, right, t1, left->Xsize, 0 ) )
|
|
return( -1 );
|
|
|
|
/* Extract the part which the old im_lrjoin() would have made.
|
|
*/
|
|
if( im_extract_area( t1, out,
|
|
0, 0, t1->Xsize, IM_MIN( left->Ysize, right->Ysize ) ) )
|
|
return( -1 );
|
|
|
|
out->Xoffset = left->Xsize;
|
|
out->Yoffset = 0;
|
|
|
|
return( 0 );
|
|
}
|