On Mon, 27 Apr 2020 23:56:37 GMT, Kevin Rushforth <k...@openjdk.org> wrote:

>> fillPath() and fillRect() functions in
>> [GraphicsContextJava.cpp](https://github.com/openjdk/jfx/blob/master/modules/javafx.web/src/main/native/Source/WebCore/platform/graphics/java/GraphicsContextJava.cpp)
>> use Image::drawPattern() for applying patterns as fill. But drawPattern() 
>> doesn't use patternTransform argument as
>> ImagePattern doesn't have the same attribute. So, the final image won't be 
>> transformed.
>
> Since this is in a common method used by all shapes, and not just WebView, we 
> will need to ensure no regressions.

All ImagePattern objects, other than the one from WebView, uses the second 
constructor which assigns an identity
transform as the pattern transform. So, existing calls to PaintHelper 
concatenates the shader transform with an
identity matrix and thus, shouldn't cause any regressions. Only calls from 
WebView's drawPattern() method in
WCGraphicsPrismContext uses the patternTransform attribute.

-------------

PR: https://git.openjdk.java.net/jfx/pull/190

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