[PDFBOX-4279] ArrayIndexOutOfBoundsException in PDDeviceGray.toRGB

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.11
• Fix Version/s: 2.0.12, 3.0.0 PDFBox
• Component/s: Rendering
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 26/Jul/18 16:17
• Updated: 05/Oct/18 04:53
• Resolved: 26/Jul/18 16:20

Description

java.lang.ArrayIndexOutOfBoundsException: 0
    org.apache.pdfbox.pdmodel.graphics.color.PDDeviceGray.toRGB(PDDeviceGray.java:69)
    org.apache.pdfbox.rendering.PageDrawer.getPaint(PageDrawer.java:308)
    org.apache.pdfbox.rendering.PageDrawer.getStrokingPaint(PageDrawer.java:617)
    org.apache.pdfbox.rendering.PageDrawer.strokePath(PageDrawer.java:682)
    org.apache.pdfbox.contentstream.operator.graphics.StrokePath.process(StrokePath.java:36)
    org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:853)
    org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:506)
    org.apache.pdfbox.contentstream.PDFStreamEngine.processTilingPattern(PDFStreamEngine.java:403)
    org.apache.pdfbox.rendering.PageDrawer.drawTilingPattern(PageDrawer.java:283)

The cause is

  /CS2 CS
  /P2 SCN

The first line sets a pattern colorspace (its entry is [Pattern DeviceGray]), the second line sets an "uncolored tiling pattern" but no color parameter so an empty array is created. Solution: enlarge the returned array.