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https://issues.apache.org/jira/browse/PDFBOX-5581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17704385#comment-17704385
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liu commented on PDFBOX-5581:
-----------------------------
demo：
final PDDocument load = PDDocument.load(file,
MemoryUsageSetting.setupTempFileOnly(-1)
.setTempDir(new File("D:\\fcs\\test")));
int numberOfPages = load.getNumberOfPages();
for (int i = 0; i < numberOfPages; i++) {
final int finalI = i;
PDFRenderer renderer = new PDFRenderer(load);
renderer.setSubsamplingAllowed(true);
int pageIndex = finalI;
float scale = 2.0f;
try {
BufferedImage bufferedImage =
renderer.renderImage(pageIndex, scale, ImageType.RGB);
File file1 = new
File("D:\\fcs\\test/test/imagepdfbox" + pageIndex + ".jpg");
ImageIO.write(bufferedImage, "jpg",file1);
} catch (Exception e) {
System.out.println(e);
}
}
> renderer.setSubsamplingAllowed(true) causing the picture to blur
> ----------------------------------------------------------------
>
> Key: PDFBOX-5581
> URL: https://issues.apache.org/jira/browse/PDFBOX-5581
> Project: PDFBox
> Issue Type: Improvement
> Affects Versions: 2.0.27
> Reporter: liu
> Priority: Major
> Attachments: screenshot-1.png, screenshot-2.png, test.pdf
>
>
> !screenshot-1.png!
> renderer.setSubsamplingAllowed(true) causing the picture to blur.
> This causes the following words to be obscured.
> hi！Is there a way to customize the getSubsampling method?like this.
> I want to display the original image within the specified width and height
> !screenshot-2.png!
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