98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
/* @(#) Function to write a DOUBLEMASK to an IMAGE.
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* @(#)
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* @(#) int
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* @(#) im_mask2vips( DOUBLEMASK *in, IMAGE *out )
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* @(#)
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* @(#) The function returns -1 on error and 0 on success
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* Author: J.Cupitt
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* Written on: 6/6/94
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* Modified on:
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* 7/10/94 JC
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* - new IM_ARRAY()
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <vips/vips.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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int
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im_mask2vips( DOUBLEMASK *in, IMAGE *out )
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{
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int x, y;
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double *buf, *p, *q;
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/* Check the mask.
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*/
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if( !in || !in->coeff ) {
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im_errormsg( "im_mask2vips: bad input mask" );
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return( -1 );
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}
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/* Make the output image.
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*/
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im_initdesc( out, in->xsize, in->ysize, 1,
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IM_BBITS_DOUBLE, IM_BANDFMT_DOUBLE,
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IM_CODING_NONE,
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IM_TYPE_B_W,
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1.0, 1.0,
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0, 0 );
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if( im_setupout( out ) )
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return( -1 );
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/* Make an output buffer.
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*/
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if( !(buf = IM_ARRAY( out, in->xsize, double )) )
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return( -1 );
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/* Write!
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*/
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for( p = in->coeff, y = 0; y < out->Ysize; y++ ) {
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q = buf;
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for( x = 0; x < out->Xsize; x++ )
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*q++ = *p++;
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if( im_writeline( y, out, (void *) buf ) )
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return( -1 );
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}
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return( 0 );
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}
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