PD4ML v4 Forums PD4ML Forums Technical questions / Troubleshooting PNG image has black background in v4

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    I am finally getting around to evaluating v4 (4.0.9) and I’m running into an image problem.

    I am sending a BASE64 encoded PNG from a browser to a Java web application in order to be included in a PDF report generated by the tag library. This worked in v3, and the resulting image was nicely embedded in the PDF.

    With v4, the image has a black background.

    I’ve verified that this is not an issue with BASE64 decoding, since decoding the image, saving the file, and including this PNG in a v4-generated PDF results in the same black background.

    I’ve verified that this is not an issue with the image. I can reference the image in a plain HTML page with a light blue background, and it looks as expected.

    I have included some files:

    1. pie.png – decoded BASE64 image
    2. pd4mlv4-base64-img.png – screen shot of pdf generated by PD4ML v4.0.9, BASE64 image, and the tag library
    3. pd4mlv4-png-img.png – screen shot of pdf generated by PD4ML v4.0.9, PNG image, and the tag library
    4. pd4mlv3-base64-img.png – screen shot of pdf generated by PD4ML v3, BASE64 image, and the tag library

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