Ensure use of flip op forces random access read #3600

docs/changelog.md

@@ -4,6 +4,11 @@
 
 Requires libvips v8.14.2
 
+### v0.32.1 - TBD
+
+* Ensure use of `flip` operation forces random access read (regression in 0.32.0).
+  [#3600](https://github.com/lovell/sharp/issues/3600)
+
 ### v0.32.0 - 24th March 2023
 
 * Default to using sequential rather than random access read where possible.

src/pipeline.cc

@@ -1662,6 +1662,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
       baton->rotationAngle != 0.0 ||
       baton->tileAngle != 0 ||
       baton->useExifOrientation ||
+      baton->flip ||
       baton->claheWidth != 0 ||
       !baton->affineMatrix.empty()
     ) {