Hello batik-dev,

PNG images with 16 bits per component (whether greyscale, rgb, greyscale with 
alpha, or rgb with alpha), referenced from an SVG file, seem to render 
incorrectly in Batik.

As an example, see these three tests. The 'reference image' in wrong, and is 
generated by Batik. Opera and Firefox produce the correct rendering

http://dev.w3.org/SVG/profiles/1.1F2/test/harness/htmlObject/struct-image-13-f.html
http://dev.w3.org/SVG/profiles/1.1F2/test/harness/htmlObject/struct-image-14-f.html
http://dev.w3.org/SVG/profiles/1.1F2/test/harness/htmlObject/struct-image-15-f.html

The third test also indicates an issue with transparency (tRNs) in Batik

Direct links to the svg files

http://dev.w3.org/SVG/profiles/1.1F2/test/svg/struct-image-13-f.svg
http://dev.w3.org/SVG/profiles/1.1F2/test/svg/struct-image-14-f.svg
http://dev.w3.org/SVG/profiles/1.1F2/test/svg/struct-image-15-f.svg

-- 
 Chris Lilley                    mailto:[email protected]
 Technical Director, Interaction Domain
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG


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