[jira] [Created] (PDFBOX-2203) java.lang.IllegalArgumentException: alpha value out of range

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

Tilman Hausherr created PDFBOX-2203:
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             Summary: java.lang.IllegalArgumentException: alpha value out of range
                 Key: PDFBOX-2203
                 URL: https://issues.apache.org/jira/browse/PDFBOX-2203
             Project: PDFBox
          Issue Type: Bug
          Components: Rendering
    Affects Versions: 2.0.0
            Reporter: Tilman Hausherr
            Assignee: Tilman Hausherr
             Fix For: 2.0.0
         Attachments: PDFBOX-2203-019672.pdf

I get this with the attached file:
{code}
java.lang.IllegalArgumentException: alpha value out of range
	at java.awt.AlphaComposite.<init>(AlphaComposite.java:624)
	at java.awt.AlphaComposite.getInstance(AlphaComposite.java:689)
	at org.apache.pdfbox.pdmodel.graphics.blend.BlendComposite.getInstance(BlendComposite.java:45)
	at org.apache.pdfbox.pdmodel.graphics.state.PDGraphicsState.getStrokeJavaComposite(PDGraphicsState.java:577)
	at org.apache.pdfbox.rendering.PageDrawer.strokePath(PageDrawer.java:939)
	at org.apache.pdfbox.util.operator.pagedrawer.StrokePath.process(StrokePath.java:37)
{code}
The file has a CA and ca of 1.005 in ExtGState which is incorrect. 
I will fix this by clipping the alphaConstant to a 0..1 interval and put out a warning.



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