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Prevent use of sequentialRead for rotate ops #2016

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Lovell Fuller 2020-01-14 08:34:54 +00:00
parent bd52e93fca
commit 3b4f95597a
2 changed files with 9 additions and 1 deletions
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3
docs/changelog.md
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@ -20,6 +20,9 @@ Requires libvips v8.9.0.
* Ensure correct colour output for 16-bit, 2-channel PNG input with ICC profile.
[#2013](https://github.com/lovell/sharp/issues/2013)
* Prevent use of sequentialRead for rotate operations.
[#2016](https://github.com/lovell/sharp/issues/2016)
* Correctly bind max width and height values when using withoutEnlargement.
[#2024](https://github.com/lovell/sharp/pull/2024)
[@BrychanOdlum](https://github.com/BrychanOdlum)

7
src/pipeline.cc
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@ -1399,7 +1399,12 @@ NAN_METHOD(pipeline) {
// Force random access for certain operations
if (baton->input->access == VIPS_ACCESS_SEQUENTIAL) {
if (baton->trimThreshold > 0.0 || baton->normalise || baton->position == 16 || baton->position == 17) {
if (
baton->trimThreshold > 0.0 ||
baton->normalise ||
baton->position == 16 || baton->position == 17 ||
baton->angle != 0 || baton->rotationAngle != 0.0
) {
baton->input->access = VIPS_ACCESS_RANDOM;
}
}