Luppens Patrice created PDFBOX-4561:
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Summary: Blank line/dot appears when converting PDF to PNG
Key: PDFBOX-4561
URL: https://issues.apache.org/jira/browse/PDFBOX-4561
Project: PDFBox
Issue Type: Bug
Components: Rendering
Affects Versions: 2.0.15
Reporter: Luppens Patrice
Attachments: PdfBox_Test.pdf, thefilename0.png
I have the following test:
@Test
public void testPDFBoxBug() throws IOException {
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource("PdfBox_Test.pdf").getFile());
byte[] bytes = Files.readAllBytes(file.toPath());
convertPDFToPNG(bytes);
}
private List<String> convertPDFToPNGLight(byte[] input) throws IOException {
List<String> convertedPNGs = new ArrayList<>();
PDDocument doc = PDDocument.load(input);
PDFRenderer renderer = new PDFRenderer(doc);
for(int i = 0; i < doc.getNumberOfPages() ; i++) {
BufferedImage img = null;
img = renderer.renderImageWithDPI(i, 96);
ByteArrayOutputStream out2 = new ByteArrayOutputStream();
ImageIO.write(img, "PNG", out2);
out2.size();
convertedPNGs.add(Base64Utils.encodeToString(out2.toByteArray()));
try (OutputStream outputStream = new FileOutputStream("target/thefilename" + i
+ ".png")) {
out2.writeTo(outputStream);
}
}
doc.close();
return convertedPNGs;
}
My input and output are in attachment.
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