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Image Distortion in PDF output.

Image Distortion in PDF output.

KB-20250127-01

Version

XFRX 24.0

Symptoms

 Image data in PDF output is damaged - has wrong color.

Cause

If input image is PNG type with alpha chanel, then XFRX extract data from PNG data chunk and split to color data and alpha chanel. But first row was decode with wrong initalizing values.