65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* Return number of bits of band format or -1 on error.
|
|
*
|
|
* 02/06/05 JF
|
|
* - original code
|
|
* 12/1/06
|
|
* - use a table
|
|
*/
|
|
|
|
/*
|
|
|
|
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
|
|
|
|
*/
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif /*HAVE_CONFIG_H*/
|
|
#include <vips/intl.h>
|
|
|
|
#include <vips/vips.h>
|
|
|
|
#ifdef WITH_DMALLOC
|
|
#include <dmalloc.h>
|
|
#endif /*WITH_DMALLOC*/
|
|
|
|
static const int bits[] = {
|
|
IM_BBITS_BYTE,
|
|
IM_BBITS_BYTE,
|
|
IM_BBITS_SHORT,
|
|
IM_BBITS_SHORT,
|
|
IM_BBITS_INT,
|
|
IM_BBITS_INT,
|
|
IM_BBITS_FLOAT,
|
|
IM_BBITS_COMPLEX,
|
|
IM_BBITS_DOUBLE,
|
|
IM_BBITS_DPCOMPLEX
|
|
};
|
|
|
|
/* Return number of pels bits for band format or -1 on error.
|
|
*/
|
|
int
|
|
im_bits_of_fmt( int bandfmt )
|
|
{
|
|
return( bandfmt < 0 || bandfmt > IM_BANDFMT_DPCOMPLEX ?
|
|
im_error( "im_bits_of_fmt",
|
|
_( "unsupported band format: %d" ), bandfmt ),
|
|
-1 :
|
|
bits[bandfmt] );
|
|
}
|