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Posted to dev@pdfbox.apache.org by "Andreas Lehmkühler (JIRA)" <ji...@apache.org> on 2016/09/18 10:52:21 UTC

[jira] [Commented] (PDFBOX-3501) java.lang.ArrayIndexOutOfBoundsException when rendering to bitonal image type

    [ https://issues.apache.org/jira/browse/PDFBOX-3501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15500774#comment-15500774 ] 

Andreas Lehmkühler commented on PDFBOX-3501:
--------------------------------------------

We are facing 2 more or less related issues here
- the rendering of page 5 doesn't work correct (the colored background is missing), a blending issue?
- transforming a full colored image to b/w may look "suboptimal" especially if it contains color gradients

Using grayscale instead of b/w delivers much better results.



> java.lang.ArrayIndexOutOfBoundsException when rendering to bitonal image type
> -----------------------------------------------------------------------------
>
>                 Key: PDFBOX-3501
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3501
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.2, 2.0.3, 2.1.0
>            Reporter: mark
>         Attachments: PDFBOX-3501.pdf, PdfToTiffConverter.java, error.pdf
>
>
> while using the PdfToTiffConverter i got an ArrayIndexOutOfBoundsException for the attached error.pdf file
> Tested with Version 2.0.0 and 2.0.2
> Stacktrace:
> 	java.lang.ArrayIndexOutOfBoundsException: 1
> 	At: java.awt.image.ColorModel.getNormalizedComponents(ColorModel.java:1197)
> 	At: java.awt.image.ColorModel.getNormalizedComponents(ColorModel.java:1439)
> 	At: org.apache.pdfbox.pdmodel.graphics.blend.BlendComposite$BlendCompositeContext.compose(BlendComposite.java:160)
> 	At: sun.java2d.loops.Blit$AnyBlit.Blit(Blit.java:179)
> 	At: sun.java2d.pipe.DrawImage.renderImageXform(DrawImage.java:546)
> 	At: sun.java2d.pipe.DrawImage.transformImage(DrawImage.java:264)
> 	At: sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:76)
> 	At: sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:1014)
> 	At: sun.java2d.pipe.ValidatePipe.copyImage(ValidatePipe.java:186)
> 	At: sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3318)
> 	At: sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3445)
> 	At: org.apache.pdfbox.rendering.PageDrawer.showTransparencyGroup(PageDrawer.java:1154)
> 	At: org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:66)
> 	At: org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:815)
> 	At: org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:472)
> 	At: org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:446)
> 	At: org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149)
> 	At: org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:189)
> 	At: org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:208)
> 	At: org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:139)
> 	At: org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:94)
> 	At: org.monitoring.system.util.PdfToTiffConverter.convertPdfToTiff(PdfToTiffConverter.java:71)
> 	At: org.monitoring.system.util.PdfToTiffConverter.convertPdfToTiff(PdfToTiffConverter.java:44)



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