[ 
https://issues.apache.org/jira/browse/FOP-1718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

simon steiner resolved FOP-1718.
--------------------------------
    Resolution: Cannot Reproduce

> PCL Painter not thread safe.
> ----------------------------
>
>                 Key: FOP-1718
>                 URL: https://issues.apache.org/jira/browse/FOP-1718
>             Project: FOP
>          Issue Type: Bug
>          Components: renderer/pcl
>    Affects Versions: trunk
>         Environment: Operating System: Windows XP
> Platform: PC
>            Reporter: Chris Bowditch
>         Attachments: input.if
>
>
> When using multiple threads to render the attached IF XML to PCL using the
> Painter the following exception occurs. The exception does not occur when only
> a single thread is used. In a quick debugging session we observed that when 
> the
> error occurs the method PCLPainter.getTextBoundingBox returns a rectangle with
> negative width
> java.lang.NegativeArraySizeException
>         at java.awt.image.DataBufferByte.<init>(DataBufferByte.java:42)
>         at java.awt.image.Raster.createInterleavedRaster(Raster.java:253)
>         at java.awt.image.Raster.createInterleavedRaster(Raster.java:194)
>         at
> org.apache.xmlgraphics.image.loader.impl.ImageConverterG2D2Bitmap.createGrayBufferedImageWithAlpha(ImageConve
> rterG2D2Bitmap.java:170)
>         at
> org.apache.xmlgraphics.image.loader.impl.ImageConverterG2D2Bitmap.paintToBufferedImage(ImageConverterG2D2Bitm
> ap.java:108)
>         at
> org.apache.xmlgraphics.image.loader.impl.ImageConverterG2D2Bitmap.convert(ImageConverterG2D2Bitmap.java:74)
>         at
> org.apache.xmlgraphics.image.loader.pipeline.ImageProviderPipeline.execute(ImageProviderPipeline.java:173)
>         at
> org.apache.xmlgraphics.image.loader.ImageManager.convertImage(ImageManager.java:330)
>         at
> org.apache.fop.render.intermediate.AbstractIFPainter.drawImage(AbstractIFPainter.java:209)
>         at
> org.apache.fop.render.pcl.PCLPainter.paintMarksAsBitmap(PCLPainter.java:304)
>         at
> org.apache.fop.render.pcl.PCLPainter.drawTextAsBitmap(PCLPainter.java:489)
>         at org.apache.fop.render.pcl.PCLPainter.drawText(PCLPainter.java:329)
>         at
> org.apache.fop.render.intermediate.IFParser$Handler$TextHandler.endElement(IFParser.java:487)
>         at
> org.apache.fop.render.intermediate.IFParser$Handler.endElement(IFParser.java:277)



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