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https://issues.apache.org/jira/browse/PDFBOX-4095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16362868#comment-16362868
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Tilman Hausherr commented on PDFBOX-4095:
-----------------------------------------

thanks, wow....

I did a very quick test by adding this to my rendering test
{code}
BufferedImage image = renderer.renderImageWithDPI(i, 96, ImageType.ARGB);
BufferedImage imageWhite = new BufferedImage(image.getWidth(), 
image.getHeight(), BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D) imageWhite.getGraphics();
g.setBackground(Color.WHITE);
g.clearRect(0, 0, image.getWidth(), image.getHeight());
g.drawImage(image, 0, 0, null);
g.dispose();
image = imageWhite;
// old code:
//BufferedImage image = renderer.renderImageWithDPI(i, 96); // Windows native 
DPI
{code}
and the differences are amazing... I'll have to check each one of them.

> Non Separable Blend Modes implementation(HUE, SATURATION, COLOR, LUMINOSITY)
> ----------------------------------------------------------------------------
>
>                 Key: PDFBOX-4095
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4095
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Rendering
>    Affects Versions: 2.0.8
>            Reporter: savan patel
>            Priority: Major
>         Attachments: BlendComposite.java.patch, BlendMode.java.patch, 
> COSName.java.patch, blendmodes.pdf, gs-bugzilla690477.pdf, 
> gs-bugzilla697433-1.pdf
>
>
> I have a patch for implementation of non separable blend modes...



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