[PDFBOX-2344] NegativeArraySizeException in radial shading

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.6, 1.8.7, 2.0.0
• Fix Version/s: 1.8.7, 2.0.0
• Component/s: Rendering
• Labels: shading
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 12/Sep/14 10:53
• Updated: 19/Sep/14 14:40
• Resolved: 12/Sep/14 12:10

Description

I get this exception with the attached file:

java.lang.NegativeArraySizeException
	at org.apache.pdfbox.pdmodel.graphics.shading.RadialShadingContext.calcColorTable(RadialShadingContext.java:186)
	at org.apache.pdfbox.pdmodel.graphics.shading.RadialShadingContext.<init>(RadialShadingContext.java:149)
	at org.apache.pdfbox.pdmodel.graphics.shading.RadialShadingPaint.createContext(RadialShadingPaint.java:68)
	at sun.java2d.pipe.AlphaPaintPipe.startSequence(AlphaPaintPipe.java:83)	at sun.java2d.pipe.AlphaPaintPipe.startSequence(AlphaPaintPipe.java:83)
	at sun.java2d.pipe.AAShapePipe.renderTiles(AAShapePipe.java:168)
	at sun.java2d.pipe.AAShapePipe.renderPath(AAShapePipe.java:159)
	at sun.java2d.pipe.AAShapePipe.fill(AAShapePipe.java:68)
	at sun.java2d.pipe.PixelToParallelogramConverter.fill(PixelToParallelogramConverter.java:164)
	at sun.java2d.pipe.ValidatePipe.fill(ValidatePipe.java:160)
	at sun.java2d.SunGraphics2D.fill(SunGraphics2D.java:2466)
	at org.apache.pdfbox.rendering.PageDrawer.shadingFill(PageDrawer.java:984)
	at org.apache.pdfbox.util.operator.graphics.ShadingFill.process(ShadingFill.java:36)

The cause is a negative radius due to a negative scale in the CTM (see also PDFBOX-2217).