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https://issues.apache.org/jira/browse/PDFBOX-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16959914#comment-16959914
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Joseph Jezerinac commented on PDFBOX-4674:
------------------------------------------
This was created from PDF box (later modified by aspose) using the following:
{code:java}
final PDImageXObject pdImageXObject = JPEGFactory.createFromImage(pdDocument,
bufferedImage, imageCompressionQuality);
try (PDPageContentStream contentStream = new PDPageContentStream(pdDocument,
pdPage)) {
contentStream.drawImage(pdImageXObject, 0, 0, pageSize.getWidth(),
pageSize.getHeight());
}
{code}
But the bufferedImage did have image type of BufferedImage.TYPE_USHORT_555_RGB,
I guess this is not compatible with JPEGFactory / drawImage (it would be nice
if worked).
Testing above was done using Chrome PDF viewer which opens fine but your right
this is invalid document. Thanks again [~mkl].
> PDF Page Render Background Image has Gray Smudges
> -------------------------------------------------
>
> Key: PDFBOX-4674
> URL: https://issues.apache.org/jira/browse/PDFBOX-4674
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.17
> Reporter: Joseph Jezerinac
> Priority: Major
> Attachments: bad_page_image.pdf, es-page-image2455431271065294360.png
>
>
> The following text produces a PNG that has gray smudges in it. I've attached
> the pdf and the PNG that is produced.
>
> {code:java}
> public class TestPdfPageImage {
> @Test
> public void testGetPageImage() throws IOException {
> try (PDDocument pdDocument =
> PDDocument.load(FileUtils.toFile(getClass().getResource("/bad_page_image.pdf"))))
> {
> final PDFRenderer pdfRenderer = new PDFRenderer(pdDocument);
> final BufferedImage bufferedImage = pdfRenderer.renderImage(0);
> final Path tempPath = Files.createTempFile("es-page-image",
> ".png");
> try {
> final File tempFile = tempPath.toFile();
> ImageIO.write(bufferedImage, "png", tempFile);
> Assert.assertTrue(Files.size(tempPath) > 0);
> } finally {
> Files.delete(tempPath);
> }
> }
> }
> }
> {code}
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