[PDFBOX-4674] PDF Page Render Background Image has Gray Smudges

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.17
• Fix Version/s: 2.0.18, 3.0.0 PDFBox
• Component/s: Rendering
• Assignee: Tilman Hausherr
• Reporter: Joseph Jezerinac
• Created: 24/Oct/19 23:11
• Updated: 23/Dec/19 22:16
• Resolved: 02/Nov/19 11:52

Description

The following text produces a PNG that has gray smudges in it.  I've attached the pdf and the PNG that is produced.

 

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);
            }
        }
    }
}