List of usage examples for org.apache.pdfbox.pdmodel PDPage getCOSObject
@Override
public COSDictionary getCOSObject()
From source file:ddf.catalog.transformer.input.pdf.GeoPdfParserImpl.java
License:Open Source License
/** * Generates a WKT compliant String from a PDF Document if it contains GeoPDF information. * Currently, only WGS84 Projections are supported (GEOGRAPHIC GeoPDF ProjectionType). * * @param pdfDocument - The PDF document * @return the WKT String//from w ww . j a va2 s . c o m * @throws IOException */ @Override public String apply(PDDocument pdfDocument) throws IOException { ToDoubleVisitor toDoubleVisitor = new ToDoubleVisitor(); LinkedList<String> polygons = new LinkedList<>(); for (PDPage pdPage : pdfDocument.getPages()) { COSDictionary cosObject = pdPage.getCOSObject(); COSBase lgiDictObject = cosObject.getObjectFromPath(LGIDICT); // Handle Multiple Map Frames if (lgiDictObject instanceof COSArray) { for (int i = 0; i < ((COSArray) lgiDictObject).size(); i++) { COSDictionary lgidict = (COSDictionary) cosObject.getObjectFromPath(LGIDICT + "/[" + i + "]"); COSDictionary projectionArray = (COSDictionary) lgidict.getDictionaryObject(PROJECTION); if (projectionArray != null) { String projectionType = ((COSString) projectionArray.getItem(PROJECTION_TYPE)).getString(); if (GEOGRAPHIC.equals(projectionType)) { COSArray neatlineArray = (COSArray) cosObject .getObjectFromPath(LGIDICT + "/[" + i + "]/" + NEATLINE); String wktString = getWktFromNeatLine(lgidict, neatlineArray, toDoubleVisitor); polygons.add(wktString); } else { LOGGER.debug("Unsupported projection type {}. Map Frame will be skipped.", projectionType); } } else { LOGGER.debug("No projection array found on the map frame. Map Frame will be skipped."); } } // Handle One Map Frame } else if (lgiDictObject instanceof COSDictionary) { COSDictionary lgidict = (COSDictionary) lgiDictObject; COSDictionary projectionArray = (COSDictionary) lgidict.getDictionaryObject(PROJECTION); if (projectionArray != null) { String projectionType = ((COSString) projectionArray.getItem(PROJECTION_TYPE)).getString(); if (GEOGRAPHIC.equals(projectionType)) { COSArray neatlineArray = (COSArray) cosObject.getObjectFromPath(LGIDICT + "/" + NEATLINE); if (neatlineArray == null) { neatlineArray = generateNeatLineFromPDFDimensions(pdPage); } polygons.add(getWktFromNeatLine(lgidict, neatlineArray, toDoubleVisitor)); } else { LOGGER.debug("Unsupported projection type {}. Map Frame will be skipped.", projectionType); } } else { LOGGER.debug("No projection array found on the map frame. Map Frame will be skipped."); } } } if (polygons.size() == 0) { LOGGER.debug( "No GeoPDF information found on PDF during transformation. Metacard location will not be set."); return null; } if (polygons.size() == 1) { return POLYGON + polygons.get(0) + "))"; } else { return polygons.stream().map(polygon -> "((" + polygon + "))") .collect(Collectors.joining(",", MULTIPOLYGON, ")")); } }
From source file:org.apache.fop.render.pdf.PageParentTreeFinderTestCase.java
License:Apache License
@Test public void testNoparentTreePresent() throws IOException { PDPage srcPage = new PDPage(); srcPage.getCOSObject().setItem(COSName.STRUCT_PARENTS, COSInteger.get(-1)); PDResources res = new PDResources(); srcPage.setResources(res);//from w ww .j a v a2 s .c o m PageParentTreeFinder finder = new PageParentTreeFinder(srcPage); COSArray parentTree = finder.getPageParentTreeArray(null); int test = parentTree.size(); Assert.assertEquals(test, 0); }
From source file:org.apache.fop.render.pdf.pdfbox.PDFBoxAdapter.java
License:Apache License
private void handleAnnotations(PDDocument sourceDoc, PDPage page, AffineTransform at) throws IOException { PDDocumentCatalog srcCatalog = sourceDoc.getDocumentCatalog(); PDAcroForm srcAcroForm = srcCatalog.getAcroForm(); List pageAnnotations = page.getAnnotations(); if (srcAcroForm == null && pageAnnotations.isEmpty()) { return;//w w w. j a v a2s . c o m } moveAnnotations(page, pageAnnotations, at); //Pseudo-cache the target page in place of the original source page. //This essentially replaces the original page reference with the target page. COSObject cosPage = null; COSDictionary parentDic = (COSDictionary) page.getCOSObject().getDictionaryObject(COSName.PARENT, COSName.P); COSArray kids = (COSArray) parentDic.getDictionaryObject(COSName.KIDS); for (int i = 0; i < kids.size(); i++) { //Hopefully safe to cast, as kids need to be indirect objects COSObject kid = (COSObject) kids.get(i); if (!pageNumbers.containsKey(i)) { PDFArray a = new PDFArray(); a.add(null); pdfDoc.assignObjectNumber(a); pdfDoc.addTrailerObject(a); pageNumbers.put(i, a); } cacheClonedObject(kid, pageNumbers.get(i)); if (kid.getObject() == page.getCOSObject()) { cosPage = kid; } } if (cosPage == null) { throw new IOException("Illegal PDF. Page not part of parent page node."); } Set<COSObject> fields = copyAnnotations(page); boolean formAlreadyCopied = getCachedClone(srcAcroForm) != null; PDFRoot catalog = this.pdfDoc.getRoot(); PDFDictionary destAcroForm = (PDFDictionary) catalog.get(COSName.ACRO_FORM.getName()); if (formAlreadyCopied) { //skip, already copied } else if (destAcroForm == null) { if (srcAcroForm != null) { //With this, only the first PDF's AcroForm is copied over. If later AcroForms have //different properties besides the actual fields, these get lost. Only fields //get merged. Collection exclude = Collections.singletonList(COSName.FIELDS); destAcroForm = (PDFDictionary) cloneForNewDocument(srcAcroForm, srcAcroForm, exclude); } else { //Work-around for incorrectly split PDFs which lack an AcroForm but have widgets //on pages. This doesn't handle the case where field dicts have "C" entries //(for the "CO" entry), so this may produce problems, but we have almost no chance //to guess the calculation order. destAcroForm = new PDFDictionary(pdfDoc.getRoot()); } pdfDoc.registerObject(destAcroForm); catalog.put(COSName.ACRO_FORM.getName(), destAcroForm); } PDFArray clonedFields = (PDFArray) destAcroForm.get(COSName.FIELDS.getName()); if (clonedFields == null) { clonedFields = new PDFArray(); destAcroForm.put(COSName.FIELDS.getName(), clonedFields); } for (COSObject field : fields) { PDFDictionary clone = (PDFDictionary) cloneForNewDocument(field, field, Arrays.asList(COSName.KIDS)); clonedFields.add(clone); } }
From source file:org.apache.fop.render.pdf.pdfbox.PDFBoxAdapter.java
License:Apache License
private Set<COSObject> copyAnnotations(PDPage page) throws IOException { COSArray annots = (COSArray) page.getCOSObject().getDictionaryObject(COSName.ANNOTS); Set<COSObject> fields = Collections.emptySet(); if (annots != null) { fields = new TreeSet<COSObject>(new CompareFields()); for (Object annot1 : annots) { Collection<COSName> exclude = new ArrayList<COSName>(); exclude.add(COSName.P);/*from w w w. j a va2 s . c om*/ if (annot1 instanceof COSObject) { COSObject annot = (COSObject) annot1; COSObject fieldObject = annot; COSDictionary field = (COSDictionary) fieldObject.getObject(); COSObject parent; while ((parent = (COSObject) field.getItem(COSName.PARENT)) != null) { fieldObject = parent; field = (COSDictionary) fieldObject.getObject(); } fields.add(fieldObject); if (((COSDictionary) annot.getObject()).getItem(COSName.getPDFName("StructParent")) != null) { exclude.add(COSName.PARENT); } } PDFObject clonedAnnot = (PDFObject) cloneForNewDocument(annot1, annot1, exclude); if (clonedAnnot instanceof PDFDictionary) { clonedAnnot.setParent(targetPage); updateAnnotationLink((PDFDictionary) clonedAnnot); } targetPage.addAnnotation(clonedAnnot); } } return fields; }