tiny improvement

This commit is contained in:
John Cupitt 2019-07-10 17:43:17 +01:00
parent 5e2d66d14b
commit 7f47acab56

View File

@ -268,6 +268,7 @@ vips_shrinkv_gen( VipsRegion *or, void *vseq,
{
VipsShrinkvSequence *seq = (VipsShrinkvSequence *) vseq;
VipsShrinkv *shrink = (VipsShrinkv *) b;
VipsResample *resample = VIPS_RESAMPLE( shrink );
VipsRegion *ir = seq->ir;
VipsRect *r = &or->valid;
@ -326,10 +327,11 @@ vips_shrinkv_gen( VipsRegion *or, void *vseq,
*/
if( shrink->sequential &&
r->top + r->height >= or->im->Ysize ) {
/* First unused scanline.
/* First unused scanline. resample->in->Ysize because we want
* the height before the embed.
*/
int first = or->im->Ysize * shrink->vshrink;
int unused = ir->im->Ysize - first;
int unused = resample->in->Ysize - first;
g_assert( unused >= 0 );