147 lines
3.2 KiB
C
147 lines
3.2 KiB
C
/* Write a csv file.
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*
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* 9/6/06
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* - hacked from im_debugim
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* 23/10/06
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* - allow separator to be specified (default "\t", <tab>)
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* 17/11/06
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* - oops, was broken
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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 <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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#define PRINT_INT( TYPE ) fprintf( fp, "%d", *((TYPE*)p) );
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#define PRINT_FLOAT( TYPE ) fprintf( fp, "%g", *((TYPE*)p) );
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#define PRINT_COMPLEX( TYPE ) fprintf( fp, "(%g, %g)", \
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((TYPE*)p)[0], ((TYPE*)p)[1] );
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static int
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vips2csv( IMAGE *in, FILE *fp, const char *sep )
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{
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int w = IM_IMAGE_N_ELEMENTS( in );
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int es = IM_IMAGE_SIZEOF_ELEMENT( in );
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int x, y;
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PEL *p;
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p = (PEL *) in->data;
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for( y = 0; y < in->Ysize; y++ ) {
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for( x = 0; x < w; x++ ) {
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if( x > 0 )
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fprintf( fp, "%s", sep );
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switch( in->BandFmt ) {
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case IM_BANDFMT_UCHAR:
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PRINT_INT( unsigned char ); break;
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case IM_BANDFMT_CHAR:
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PRINT_INT( char ); break;
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case IM_BANDFMT_USHORT:
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PRINT_INT( unsigned short ); break;
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case IM_BANDFMT_SHORT:
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PRINT_INT( short ); break;
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case IM_BANDFMT_UINT:
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PRINT_INT( unsigned int ); break;
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case IM_BANDFMT_INT:
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PRINT_INT( int ); break;
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case IM_BANDFMT_FLOAT:
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PRINT_FLOAT( float ); break;
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case IM_BANDFMT_DOUBLE:
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PRINT_FLOAT( double ); break;
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case IM_BANDFMT_COMPLEX:
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PRINT_COMPLEX( float ); break;
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case IM_BANDFMT_DPCOMPLEX:
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PRINT_COMPLEX( double ); break;
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default:
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assert( 0 );
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}
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p += es;
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}
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fprintf( fp, "\n" );
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}
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return( 0 );
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}
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int
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im_vips2csv( IMAGE *in, const char *filename )
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{
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char *separator = "\t";
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char name[FILENAME_MAX];
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char mode[FILENAME_MAX];
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FILE *fp;
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char *p, *q, *r;
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/* Parse mode string.
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*/
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im_filename_split( filename, name, mode );
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p = &mode[0];
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while( (q = im_getnextoption( &p )) ) {
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if( im_isprefix( "sep", q ) && (r = im_getsuboption( q )) )
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separator = r;
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}
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if( im_incheck( in ) )
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return( -1 );
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if( in->Coding != IM_CODING_NONE ) {
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im_error( "im_vips2csv", _( "input must be uncoded" ) );
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return( -1 );
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}
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if( !(fp = fopen( name, "w" )) ) {
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im_error( "im_cvips2csv", _( "unable to open \"%s\"" ),
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name );
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return( -1 );
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}
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if( vips2csv( in, fp, separator ) ) {
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fclose( fp );
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return( -1 );
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}
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fclose( fp );
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return( 0 );
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}
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