RFR: 8202990: javafx webview css filter property with display scaling

[Arun Joseph]

On Tue, 11 Aug 2020 16:18:37 GMT, Bhawesh Choudhary <bchoudhary at openjdk.org> wrote:

> ImageJava.cpp ignores CompositeOperator parameter in drawImage function due to which shadow was getting drawn on top of
> actual image. apply given composite operator to graphics context before drawing image to fix this issue. another issue
> is into WCGraphicsPrismContext.java. while blending two layers, applying state to the destination layer was missed due
> to which image was not getting drawn with right scale in hidpi mode. apply state to fix the issue.

The fix and test looks good.

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

Marked as reviewed by ajoseph (Committer).

PR: https://git.openjdk.java.net/jfx/pull/279