[PDFBOX-5778] Grayscale JPEG rendered multicolor

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.30, 3.0.1 PDFBox
• Fix Version/s: 2.0.31, 3.0.2 PDFBox, 4.0.0
• Component/s: Rendering
• Labels: LabColorspace Separation
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 05/Mar/24 08:17
• Updated: 15/May/24 12:11
• Resolved: 05/Mar/24 13:29

Description

Probably a PDFBox bug in handling a grayscale JPEG with a separation colorspace. The colorspace is here:

Root/Pages/Kids/[0]/Resources/XObject/Fm0/Resources/XObject/Im0/ColorSpace

Issue Links

• is duplicated by: PDFBOX-5464 White areas are rendered red when converting a pdf to png with pdfbox
• relates to: PDFBOX-3622 DCTDecode image with separation colorspace not rendered correctly
• links to: I use pdfbox PDFRenderer.renderImage render pdf to image failed. The result image is not same with which pdf shows