[PDFBOX-892] ClassCastException in PDXObjectImage.getMask

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.1
• Fix Version/s: 1.7.0
• Component/s: PDModel
• Assignee: Andreas Lehmkühler
• Reporter: Marko Mocnik
• Created: 17/Nov/10 11:02
• Updated: 29/May/12 16:21
• Resolved: 18/May/12 14:54

Description

Certain /FlateDecode encoded images which contain a Mask Dictionary cause the getRGBImage() method to fail with the following exception:

java.lang.ClassCastException: org.apache.pdfbox.cos.COSStream cannot be cast to org.apache.pdfbox.cos.COSArray
at org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage.getMask(PDXObjectImage.java:364)
at org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.getRGBImage(PDPixelMap.java:205)
at org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.write2OutputStream(PDPixelMap.java:310)
at org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage.write2file(PDXObjectImage.java:139)
at ImagePdfBoxTest2.main(ImagePdfBoxTest2.java:41)

I will attach a simple test program and a test dokument which was created with OpenOffice 3.2.