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https://issues.apache.org/jira/browse/PDFBOX-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15489642#comment-15489642
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John Hewson commented on PDFBOX-3497:
-------------------------------------
Yep, that's a bug. Workaround is to use renderImageWithDPI and specify 72 * 0.5
as the DPI.
> PDFRenderer with scale < 1 does not render properly
> ---------------------------------------------------
>
> Key: PDFBOX-3497
> URL: https://issues.apache.org/jira/browse/PDFBOX-3497
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.2
> Environment: Windows 7
> Java 1.8.0_102
> Reporter: dennis lucero
> Attachments: input.pdf, output.png
>
>
> Rendering a page with the method renderImage(int pageIndex, float scale) in
> PDFRenderer with a scale factor < 1 (e.g 0.5) the image renders only 0.5 of
> the actual content
> {code}
> try {
> File file = new File("input.pdf");
> PDDocument document = PDDocument.load(file);
> PDFRenderer renderer = new PDFRenderer(document);
> BufferedImage image = renderer.renderImage(0, .5f);
> ImageIO.write(image, "png", new File("output.png"));
> } catch (IOException e) {
> e.printStackTrace();
> }
> {code}
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