76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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/* @(#) Creates a displayable historam of in result in hist
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* @(#) If bandno=0 histogram of all bands is created
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* @(#) else the histogram of bandno only is created.
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* @(#)
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* @(#) Usage:
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* @(#) int im_hist(in, out, bandno)
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* @(#) IMAGE *in, *out;
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* @(#) int bandno;
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* @(#)
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* @(#) Returns 0 on sucess and -1 on error
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* @(#)
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*
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* Copyright: 1991, N. Dessipris.
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*
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* Author: Nicos Dessipris
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* Written on: 27/03/1991
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* Modified on :
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* 16/6/93 J.Cupitt
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* - im_ioflag() call changed to im_iocheck()
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* 24/5/95 JC
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* - ANSIfied and tidied up
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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 <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_hist( IMAGE *in, IMAGE *out, int bandno )
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{
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IMAGE *hist = im_open_local( out, "im_hist:#1", "p" );
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if( !hist ||
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im_iocheck( in, out ) ||
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im_histgr( in, hist, bandno ) ||
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im_histplot( hist, out ) )
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return( -1 );
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return( 0 );
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}
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