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https://issues.apache.org/jira/browse/PDFBOX-5464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17997086#comment-17997086
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Kirovj commented on PDFBOX-5464:
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Got it, thanks a lot (y)
> White areas are rendered red when converting a pdf to png with pdfbox
> ---------------------------------------------------------------------
>
> Key: PDFBOX-5464
> URL: https://issues.apache.org/jira/browse/PDFBOX-5464
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.26, 3.0.0 PDFBox
> Reporter: Kirovj
> Priority: Major
> Attachments: err1-1.png, err1-2.png, err1-3.png, err1.pdf
>
>
> hi
> This may be a problem similar to PDFBOX-4470 Red areas around text when
> converting a pdf to png with pdfbox - ASF JIRA (apache.org)
> When I convert a pdf to png files with pdfbox, I find that the backgroud
> White color was rendered as Red. And this is unusual, I have only one pdf
> rendered like this. But in this pdf, almost all pages are rendered as Red
> color.
> Here's some of the code that I'm using:
> {code:java}
> try (PDDocument document = PDDocument.load(new File("example/" + file +
> ".pdf"))) {
> int numberOfPages = document.getNumberOfPages();
> PDFRenderer renderer = new PDFRenderer(document);
> for (int i = 0; i < numberOfPages; i++) {
> System.out.println("render " + i);
> BufferedImage bufferedImage = renderer.renderImage(i, 2,
> ImageType.RGB);
> ImageIO.write(bufferedImage, "png", new File("example/" + file + "-"
> + i + ".png"));
> }
> } {code}
> I also tried pdfbox 3.0.0-RC1, but result is the same.
> The red png files start at pdf page 3.
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