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Skip shrink-on-load when trimming (#887) (#888)

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Kleis Auke Wolthuizen
2017-07-28 22:02:30 +02:00
committed by Lovell Fuller
parent 6b34e8a804
commit e0d622d347
5 changed files with 17 additions and 2 deletions
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4
src/pipeline.cc
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@@ -220,12 +220,12 @@ class PipelineWorker : public Nan::AsyncWorker {
}
// If integral x and y shrink are equal, try to use shrink-on-load for JPEG and WebP,
// but not when applying gamma correction or pre-resize extract
// but not when applying gamma correction, pre-resize extract or trim
int shrink_on_load = 1;
if (
xshrink == yshrink && xshrink >= 2 &&
(inputImageType == ImageType::JPEG || inputImageType == ImageType::WEBP) &&
baton->gamma == 0 && baton->topOffsetPre == -1
baton->gamma == 0 && baton->topOffsetPre == -1 && baton->trimTolerance == 0
) {
if (xshrink >= 8) {
xfactor = xfactor / 8;