Weird PDF to image conversion result

[Daniel Skiles <ds...@docfinity.com>]

All,
When I convert the linked PDF to image using 3.0.0-alpha3, I get the linked
PNG output.  Do any of you know where the horizontal lines are coming
from?  The lines don't render in Chrome or SumatraPDF.
https://drive.google.com/drive/folders/1Sgpp3KqskO3yvfCXPvLgdnWZulKSykQM?usp=sharing

Re: Weird PDF to image conversion result

[Tilman Hausherr <TH...@t-online.de>]

On 13.01.2023 19:23, Daniel Skiles wrote:
> All,
> When I convert the linked PDF to image using 3.0.0-alpha3, I get the linked
> PNG output.  Do any of you know where the horizontal lines are coming
> from?  The lines don't render in Chrome or SumatraPDF.
> https://drive.google.com/drive/folders/1Sgpp3KqskO3yvfCXPvLgdnWZulKSykQM?usp=sharing
>

This is related to a bad jpeg2000 decoder in JAI. The newer decoder 
solves this problem.

             <dependency>
<groupId>com.github.jai-imageio</groupId>
<artifactId>jai-imageio-core</artifactId>
                 <version>1.4.0</version>
             </dependency>
             <dependency>
<groupId>com.github.jai-imageio</groupId>
<artifactId>jai-imageio-jpeg2000</artifactId>
                 <version>1.4.0</version>
             </dependency>


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