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more hacking

This commit is contained in:
John Cupitt 2019-08-17 12:57:01 +01:00
parent 282145ea61
commit 45c847a96c
1 changed files with 26 additions and 40 deletions
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66
libvips/conversion/select.c
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@ -70,6 +70,24 @@ typedef struct _VipsSelectSeq {
} VipsSelectSeq;
int
vips_select_stop( void *vseq, void *a, void *b )
{
VipsSelectSeq *seq = (VipsSelectSeq *) vseq;
if( seq->tests ) {
vips_stop_many( (void *) seq->tests, NULL, NULL );
seq->tests = NULL;
}
if( seq->cases ) {
vips_stop_many( (void *) seq->cases, NULL, NULL );
seq->cases = NULL;
}
VIPS_FREE( seq );
return( 0 ):
}
static void *
vips_select_start( VipsImage *out, void *a, void *b )
{
@ -86,58 +104,26 @@ vips_select_start( VipsImage *out, void *a, void *b )
seq->tests = NULL;
seq->cases = NULL;
/* How many images?
*/
for( n = 0; in[n]; n++ )
;
/* Alocate space for region array.
*/
if( !(seq->ir = VIPS_ARRAY( NULL, n + 1, VipsRegion * )) ) {
vips_bandary_stop( seq, NULL, NULL );
return( NULL );
}
/* Create a set of regions.
*/
for( i = 0; i < n; i++ )
if( !(seq->ir[i] = vips_region_new( in[i] )) ) {
vips_bandary_stop( seq, NULL, NULL );
return( NULL );
}
seq->ir[n] = NULL;
/* Input pointers.
*/
if( !(seq->p = VIPS_ARRAY( NULL, n + 1, VipsPel * )) ) {
vips_bandary_stop( seq, NULL, NULL );
return( NULL );
}
/* Pixel buffer. This is used as working space by some subclasses.
*/
if( !(seq->pixels = VIPS_ARRAY( NULL,
n * VIPS_IMAGE_SIZEOF_PEL( bandary->ready[0] ), VipsPel )) ) {
vips_bandary_stop( seq, NULL, NULL );
seq->tests = vips_start_many( NULL, (void *) select->tests, NULL );
seq->cases = vips_start_many( NULL, (void *) select->cases, NULL );
if( !seq->tests ||
!seq->cases ) {
vips_select_stop( (void *) seq, NULL, NULL );
return( NULL );
}
return( seq );
}
need start / stop and a seq typedef for our two arrays of regions
/* Do a map.
*/
static int
vips_select_gen( VipsRegion *or, void *seq, void *a, void *b,
vips_select_gen( VipsRegion *or, void *vseq, void *a, void *b,
gboolean *stop )
{
VipsRegion **ar = (VipsRegion **) seq;
VipsSelect *swit = (VipsSelect *) b;
VipsSelectSeq *seq = (VipsSelectSeq *) vseq;
VipsSelect *select = seq->select;
VipsRect *r = &or->valid;
VipsRegion *index = ar[swit->n];
int x, y, i, j;
VipsPel * restrict ip;