C++ (Cpp) vips_convi_stop Examples

Example #1

File: convi.c Project: bgilbert/libvips

/* Convolution start function.
 */
static void *
vips_convi_start( VipsImage *out, void *a, void *b )
{
	VipsImage *in = (VipsImage *) a;
	VipsConvi *convi = (VipsConvi *) b;
	VipsConviSequence *seq;

	if( !(seq = VIPS_NEW( out, VipsConviSequence )) )
		return( NULL );

	seq->convi = convi;
	seq->ir = NULL;
	seq->offsets = NULL;
	seq->pts = NULL;
	seq->last_bpl = -1;
	seq->t1 = NULL;
	seq->t2 = NULL;

	seq->ir = vips_region_new( in );

	/* C mode.
	 */
	if( convi->nnz ) {
		seq->offsets = VIPS_ARRAY( NULL, convi->nnz, int );
		seq->pts = VIPS_ARRAY( NULL, convi->nnz, VipsPel * );

		if( !seq->offsets ||
			!seq->pts ) { 
			vips_convi_stop( seq, in, convi );
			return( NULL );
		}
	}

Example #2

File: convi.c Project: jcupitt/libvips

/* Convolution start function.
 */
static void *
vips_convi_start( VipsImage *out, void *a, void *b )
{
	VipsImage *in = (VipsImage *) a;
	VipsConvi *convi = (VipsConvi *) b;
	VipsConviSequence *seq;

	if( !(seq = VIPS_NEW( out, VipsConviSequence )) )
		return( NULL );

	seq->convi = convi;
	seq->ir = NULL;
	seq->offsets = NULL;
	seq->last_bpl = -1;
	seq->t1 = NULL;
	seq->t2 = NULL;

	seq->ir = vips_region_new( in );

	/* C mode.
	 */
	if( convi->nnz ) {
		if( !(seq->offsets = VIPS_ARRAY( NULL, convi->nnz, int )) ) { 
			vips_convi_stop( seq, in, convi );
			return( NULL );
		}
	}

	/* Vector mode.
	 */
	if( convi->n_pass ) {
		seq->t1 = VIPS_ARRAY( NULL, VIPS_IMAGE_N_ELEMENTS( in ), short );
		seq->t2 = VIPS_ARRAY( NULL, VIPS_IMAGE_N_ELEMENTS( in ), short );

		if( !seq->t1 || 
			!seq->t2 ) {
			vips_convi_stop( seq, in, convi );
			return( NULL );
		}
	}