Niklas created PDFBOX-5787:
------------------------------
Summary: LCMS error 13: Mismatched alpha channels
Key: PDFBOX-5787
URL: https://issues.apache.org/jira/browse/PDFBOX-5787
Project: PDFBox
Issue Type: Bug
Reporter: Niklas
Using Kotlin to load the first page and trying to render it as an
`BufferedImage`:
```kotlin
val pdf = Loader.loadPDF(file)
val preview = PDFRenderer(pdf).renderImage(0, 1.0f)
```
with a PDF, I'm running into:
```
Exception in thread "main" java.awt.color.CMMException: LCMS error 13:
Mismatched alpha channels
at java.desktop/sun.java2d.cmm.lcms.LCMS.createNativeTransform(Native
Method)
at java.desktop/sun.java2d.cmm.lcms.LCMS.createTransform(LCMS.java:113)
at
java.desktop/sun.java2d.cmm.lcms.LCMSTransform.doTransform(LCMSTransform.java:114)
at
java.desktop/sun.java2d.cmm.lcms.LCMSTransform.colorConvert(LCMSTransform.java:149)
at
java.desktop/java.awt.image.ColorConvertOp.ICCBIFilter(ColorConvertOp.java:350)
at
java.desktop/java.awt.image.ColorConvertOp.filter(ColorConvertOp.java:277)
at
org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace.toRGBImageAWT(PDColorSpace.java:375)
at
org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK.toRGBImageAWT(PDDeviceCMYK.java:212)
at
org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK.toRGBImage(PDDeviceCMYK.java:159)
at
org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.from8bit(SampledImageReader.java:506)
at
org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.getRGBImage(SampledImageReader.java:217)
at
org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage(PDImageXObject.java:477)
at
org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage(PDImageXObject.java:438)
at org.apache.pdfbox.rendering.PageDrawer.drawImage(PageDrawer.java:1106)
at
org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:74)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:893)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:531)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:506)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:153)
at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:286)
at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:330)
at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:247)
at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:207)
```
Would it be possible to somehow privately share the PDF? It's slightly
sensitive as it is from a customer of mine and I would not want to share it
publicly.
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