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better autounpack for falsecolour

This commit is contained in:
John Cupitt 2014-01-23 15:36:34 +00:00
parent 13a6ed1457
commit 4dae352d28
1 changed files with 6 additions and 5 deletions
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11
libvips/conversion/falsecolour.c
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@ -54,6 +54,7 @@
#include <stdlib.h>
#include <vips/vips.h>
#include <vips/internal.h>
#include "pconversion.h"
@ -348,11 +349,11 @@ vips_falsecolour_build( VipsObject *object )
* want to work for images which aren't in a recognised space, like
* MULTIBAND.
*/
if( vips_check_uncoded( class->nickname, falsecolour->in ) ||
vips_extract_band( falsecolour->in, &t[1], 0, NULL ) ||
vips_cast( t[1], &t[2], VIPS_FORMAT_UCHAR, NULL ) ||
vips_maplut( t[2], &t[3], t[0], NULL ) ||
vips_image_write( t[3], conversion->out ) )
if( vips__image_decode( falsecolour->in, &t[1] ) ||
vips_extract_band( t[1], &t[2], 0, NULL ) ||
vips_cast( t[2], &t[3], VIPS_FORMAT_UCHAR, NULL ) ||
vips_maplut( t[3], &t[4], t[0], NULL ) ||
vips_image_write( t[4], conversion->out ) )
return( -1 );
return( 0 );