[jira] [Created] (PDFBOX-4044) Unable to process overlay on Cognos PDF documents

["Ad Kooiman (JIRA)" <ji...@apache.org>]

Ad Kooiman created PDFBOX-4044:
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             Summary: Unable to process overlay on Cognos PDF documents
                 Key: PDFBOX-4044
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4044
             Project: PDFBox
          Issue Type: Bug
          Components: Rendering
    Affects Versions: 2.0.8
            Reporter: Ad Kooiman
         Attachments: confidential_overlay.pdf, report_cognos_merged.pdf, report_cognos_overlayed.pdf

Since we upgrade from PDFBox 1.x to PDFBox 2.0.8, we cannot overlay PDF documents anymore. These PDF documens are from Cognos Reporting and still works fine with PDFBox 1.x.

Attached files:
report_cognos_merged.pdf, a document that contains an intro page that was succesfully merged into a cognos report. Page 2 and 3 are the original cognos report pages.
confidential_overlay.pdf, an overlay pdf document
report_cognos_merged.pdf, the resulting document after processing the overlay

To reproduce, use the attached report_cognos_merged.pdf and overlay this with the attached confidential_overlay.pdf. The resulting attached file report_cognos_overlayed.pdf only shows an overlay on the first page. The other pages are not overlayed.

Code snippet used to overlay:

{code}
   public void addLayer() throws Exception {
        PDDocument inDocument = PDDocument.load(basePdf);
        PDDocument layoutDocument = PDDocument.load(overlayLayout);        
        LayerUtility layerUtility = new LayerUtility(inDocument);
        PDFormXObject layerObject = layerUtility.importPageAsForm(layoutDocument, 0);        
        AffineTransform transform = new AffineTransform();
        for (int i = 0; i < inDocument.getNumberOfPages(); i++) {
            layerUtility.appendFormAsLayer(inDocument.getPage(i), layerObject, transform, layer + "_" + i);
        }
        layerUtility.getDocument().save(outPdf);
    }
{code}




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