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https://issues.apache.org/jira/browse/PDFBOX-5531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17621294#comment-17621294
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Tilman Hausherr commented on PDFBOX-5531:
-----------------------------------------
Please attach your PDF and retry with the latest version and explain what you
expected to get.
> wrong image data is extracted from PDF having single image
> ----------------------------------------------------------
>
> Key: PDFBOX-5531
> URL: https://issues.apache.org/jira/browse/PDFBOX-5531
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.26
> Reporter: Komal
> Priority: Major
>
> Dear Concerned,
> We are trying to extract image from PDF having single image with following
> properties: CCITTFaxDecode decoded G4 compression, 150 dpi but when following
> code of PDFBox is used than we get LZW image with 96 dpi
> PDDocument document = PDDocument.load(new
> File("D:\\extractImage\\in\\20211125174048BT Exception Documents.pdf"));
> PDPageTree list = document.getPages();
> for (PDPage page : list) {
> PDResources pdResources = page.getResources();
> for (COSName c : pdResources.getXObjectNames()) {
> PDXObject o = pdResources.getXObject(c);
> if (o instanceof
> org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject) {
> BufferedImage img=
> ((org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject)o).getImage();
> }
> }
> }
>
> Also we we try to get raw stream byte data of image using following method ,
> the byte array coming is incorrect.
> PDPage page1 = reader.getPage(pageNumber-1);
> PDResources pdResources = page1.getResources();
> for (COSName c : pdResources.getXObjectNames()) {
> PDXObject o = pdResources.getXObject(c);
> PDImageXObject ob = (PDImageXObject)o;
> ImageXObject xObj1 = new ImageXObject();
> xObj1.xObject = (PDImageXObject) o;
> COSStream imageStream = ob.getCOSObject();
> PDStream stream = (new PDStream(imageStream));
> // BufferedImage image = ob.getImage();
> byte[] streamDataBuffer = stream.toByteArray();
>
> kindly provide a method which can return black and white image object and
> image raw stream byte array.
> Thanks in advance.
> Regards,
> Komal Walia
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