RFR: 8351108: ImageIO.write(..) fails with exception when writing JPEG with IndexColorModel [v6]

[Alexey Ivanov]

On Tue, 11 Mar 2025 21:47:38 GMT, Jeremy Wood <duke at openjdk.org> wrote:

>> Previously ImageTypeSpecifier treated all TYPE_BYTE_INDEXED as if they were opaque.
>> 
>> In this ticket's case: an ImageWriter received the wrong ImageTypeSpecifier and mistakenly indicated it *could* support a BufferedImage. But when the actual BufferedImage arrived (which was translucent), the ImageWriter threw an exception.
>> 
>> Instead:
>> Now the ImageTypeSpecifier accurately describes the given BufferedImage.
>
> Jeremy Wood has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update test/jdk/javax/imageio/plugins/jpeg/JpegWriterWriteNonOpaqueIndexColorModelTest.java
>   
>   Co-authored-by: Alexey Ivanov <alexey.ivanov at oracle.com>

Marked as reviewed by aivanov (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23884#pullrequestreview-2678650279