152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/* @(#) Function which copies IMAGE descriptor image2 to image1;
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* @(#) data, fd and filename are not copied
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* @(#) used to make programs simpler by copying most parameters
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* @(#)
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* @(#) int
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* @(#) im_cp_desc( image1, image2 )
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* @(#) IMAGE *image1, *image2;
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* @(#)
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* @(#) Returns 0 on success or -1 on fail.
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* @(#)
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*
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* Copyright: Nicos Dessipris
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* Written on: 09/02/1990
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* Modified on : 22/2/93 By Kirk Martinez: v6.3
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* 28/10/1992 J.Cupitt
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* - now calls im_cp_Hist, and hence frees old history correctly
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* 10/5/93 J.Cupitt
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* - checks return result from im_cp_Hist()
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* 22/11/00 JC
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* - ANSIfied
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* 5/9/02 JC
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* - copy Xoffset/Yoffset too
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* 14/4/04 JC
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* - hmm, in fact no, zero them
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* 6/6/05 Markus Wollgarten
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* - copy Meta
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* 29/8/05
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* - added im_cp_descv() and im_cp_desc_array()
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* 2/9/05
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* - simplified ... no more skip the first line stuff
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* 4/1/07
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* - merge hists with history_list instead
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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 <assert.h>
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#include <stdarg.h>
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#include <string.h>
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#include <vips/vips.h>
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#include <vips/internal.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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/* in is a NULL-termnated array of input images. Always at least one image
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* there.
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*/
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int
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im_cp_desc_array( IMAGE *out, IMAGE *in[] )
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{
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int i;
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int ni;
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assert( in[0] );
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out->Xsize = in[0]->Xsize;
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out->Ysize = in[0]->Ysize;
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out->Bands = in[0]->Bands;
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out->Bbits = in[0]->Bbits;
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out->BandFmt = in[0]->BandFmt;
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out->Type = in[0]->Type;
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out->Coding = in[0]->Coding;
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out->Xres = in[0]->Xres;
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out->Yres = in[0]->Yres;
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out->Xoffset = 0;
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out->Yoffset = 0;
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/* Count number of images.
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*/
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for( ni = 0; in[ni]; ni++ )
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;
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/* Need to copy last-to-first so that in0 meta will override any
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* earlier meta.
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*/
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im__meta_destroy( out );
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for( i = ni - 1; i >= 0; i-- )
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if( im__meta_cp( out, in[i] ) )
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return( -1 );
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/* Merge hists first to last.
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*/
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for( i = 0; in[i]; i++ )
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out->history_list = im__gslist_gvalue_merge( out->history_list,
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in[i]->history_list );
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return( 0 );
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}
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/* Max number of images we can handle.
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*/
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#define MAX_IMAGES (1000)
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int
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im_cp_descv( IMAGE *out, IMAGE *in1, ... )
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{
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va_list ap;
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int i;
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IMAGE *in[MAX_IMAGES];
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in[0] = in1;
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va_start( ap, in1 );
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for( i = 1; i < MAX_IMAGES && (in[i] = va_arg( ap, IMAGE * )); i++ )
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;
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va_end( ap );
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if( i == MAX_IMAGES ) {
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im_error( "im_cp_descv", _( "too many images" ) );
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return( -1 );
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}
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return( im_cp_desc_array( out, in ) );
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}
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int
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im_cp_desc( IMAGE *dest, IMAGE *src )
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{
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return( im_cp_descv( dest, src, NULL ) );
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}
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