On Mon, 15 Nov 2021 11:19:13 GMT, Jose Pereda <jper...@openjdk.org> wrote:
> This PR fixes an exception that can happen when dragging an image from a
> WebView on macOS.
>
> Dragging an image that is directly included like `<img src="some image"/>`
> works fine, without exception. However, there are (at least) two other cases
> when the IAE is thrown:
>
> - Dragging an image that is part of an hyperlink, like `<a href="some
> url"><img src="some image"/></a>`.
> - Dragging an image encoded as base64.
>
> The IAE happens only on macOS, where a native image is created in
> `GlassPasteboard.m` from an URL, and in those two cases the generated image
> has 0x0 dimensions:
>
> `<NSImage 0x... Size={0, 0} ...>`
>
> which leads to `ByteArrayFromPixels` being called with a null byte array.
>
> The included test reproduces the case by directly pushing the `MacPasteboard`
> content (instead of adding a more complex test with a webView and a drag and
> drop gesture).
The fix looks good. The test looks good with one minor comment.
tests/system/src/test/java/test/com/sun/glass/ui/mac/MacPasteboardTest.java
line 56:
> 54: public static void setup() throws Exception {
> 55: Platform.startup(() -> {
> 56: if (PlatformUtil.isMac()) {
Minor: it might be cleaner to wrap the entire body of the `setup` and
`teardown` methods in `if (PlatformUtil.isMac())` so that we don't even start
FX on platforms other than macOS.
-------------
PR: https://git.openjdk.java.net/jfx/pull/668
