libvips/libsrc/iofuncs/im_debugim.c

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2007-08-29 18:23:50 +02:00
/* @(#) Function which prints in stdout the values of a picture
* @(#)
* @(#) For debuging only
* @(#) is either memory mapped or in a buffer.
* @(#)
* @(#) void
* @(#) im_debugim( in )
* @(#) IMAGE *in;
* @(#)
*
* Copyright: 1991 N. Dessipris
*
* Author: N. Dessipris
* Written on: 18/03/1991
* Modified on:
* 15/4/93 J.Cupitt
* - returns int, not void now, so error messages work
* - detects im->data invalid.
* 15/4/93 J.Cupitt
* - uses %g format, not %f for printf()
* 23/7/93 JC
* - im_incheck() added
*/
/*
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 <vips/vips.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif /*WITH_DMALLOC*/
int
im_debugim( IMAGE *in )
{
/* Check our args. */
if( im_incheck( in ) )
return( -1 );
if( in->Coding != IM_CODING_NONE ) {
im_errormsg( "im_debugim: input must be uncoded" );
return( -1 );
}
/* What type? First define the loop we want to perform for all types. */
#define loopuc(TYPE) \
{ TYPE *p = (TYPE *) in->data; \
int x, y, z; \
\
for ( y=0; y<in->Ysize; y++ ) {\
for ( x=0; x<in->Xsize; x++ ) {\
for ( z=0; z<in->Bands; z++ ) {\
fprintf(stderr, "%4d", (TYPE)*p++ );\
} \
} \
fprintf(stderr, "\n");\
} \
}
#define loop(TYPE) \
{ TYPE *p = (TYPE *) in->data; \
int x, y, z; \
\
for ( y=0; y<in->Ysize; y++ ) {\
for ( x=0; x<in->Xsize; x++ ) {\
for ( z=0; z<in->Bands; z++ ) {\
fprintf(stderr, "%g\t", (double)*p++ );\
} \
} \
fprintf(stderr, "\n");\
} \
}
#define loopcmplx(TYPE) \
{ TYPE *p = (TYPE *) in->data; \
int x, y, z; \
\
for ( y=0; y<in->Ysize; y++ ) {\
for ( x=0; x<in->Xsize; x++ ) {\
for ( z=0; z<in->Bands; z++ ) {\
fprintf(stderr,"re=%g\t",(double)*p++);\
fprintf(stderr,"im=%g\t",(double)*p++);\
} \
} \
fprintf(stderr, "\n");\
} \
}
/* Now generate code for all types. */
switch( in->BandFmt ) {
case IM_BANDFMT_UCHAR: loopuc(unsigned char); break;
case IM_BANDFMT_CHAR: loop(char); break;
case IM_BANDFMT_USHORT: loop(unsigned short); break;
case IM_BANDFMT_SHORT: loop(short); break;
case IM_BANDFMT_UINT: loop(unsigned int); break;
case IM_BANDFMT_INT: loop(int); break;
case IM_BANDFMT_FLOAT: loop(float); break;
case IM_BANDFMT_DOUBLE: loop(double); break;
case IM_BANDFMT_COMPLEX: loopcmplx(float); break;
case IM_BANDFMT_DPCOMPLEX: loopcmplx(double); break;
default:
im_errormsg("im_debugim: unknown input format");
return( -1 );
}
return( 0 );
}