mirror of https://github.com/JakubMelka/PDF4QT.git
Separate tool for extracting pages
This commit is contained in:
parent
4051591929
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c58158e3ee
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@ -180,7 +180,7 @@ PDFCatalog PDFCatalog::parse(const PDFObject& catalog, const PDFDocument* docume
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PDFCatalog catalogObject;
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PDFCatalog catalogObject;
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catalogObject.m_viewerPreferences = PDFViewerPreferences::parse(catalog, document);
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catalogObject.m_viewerPreferences = PDFViewerPreferences::parse(catalog, document);
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catalogObject.m_pages = PDFPage::parse(document, catalogDictionary->get("Pages"));
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catalogObject.m_pages = PDFPage::parse(&document->getStorage(), catalogDictionary->get("Pages"));
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catalogObject.m_pageLabels = PDFNumberTreeLoader<PDFPageLabel>::parse(&document->getStorage(), catalogDictionary->get("PageLabels"));
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catalogObject.m_pageLabels = PDFNumberTreeLoader<PDFPageLabel>::parse(&document->getStorage(), catalogDictionary->get("PageLabels"));
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if (catalogDictionary->hasKey("OCProperties"))
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if (catalogDictionary->hasKey("OCProperties"))
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@ -862,6 +862,113 @@ QRectF PDFDocumentBuilder::getPolygonsBoundingRect(const Polygons& polygons) con
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return rect;
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return rect;
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}
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}
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void PDFDocumentBuilder::flattenPageTree()
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{
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PDFObjectReference pageTreeRoot = getPageTreeRoot();
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PDFObject pageTree = PDFObject::createReference(pageTreeRoot);
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std::vector<PDFPage> pages = PDFPage::parse(&m_storage, pageTree);
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std::vector<PDFObjectReference> pageReferences;
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// First, fill inheritable attributes to pages and correct parent
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for (const PDFPage& page : pages)
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Parent");
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objectBuilder << pageTreeRoot;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("MediaBox");
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objectBuilder << page.getMediaBox();
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objectBuilder.endDictionaryItem();
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if (page.getCropBox().isValid())
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{
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objectBuilder.beginDictionaryItem("CropBox");
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objectBuilder << page.getCropBox();
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objectBuilder.endDictionaryItem();
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}
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if (!page.getResources().isNull())
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{
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objectBuilder.beginDictionaryItem("Resources");
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objectBuilder << page.getResources();
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objectBuilder.endDictionaryItem();
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}
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if (page.getPageRotation() != PageRotation::None)
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{
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PDFInteger angle = 0;
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switch (page.getPageRotation())
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{
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case PageRotation::Rotate90:
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angle = 90;
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break;
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case PageRotation::Rotate180:
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angle = 180;
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break;
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case PageRotation::Rotate270:
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angle = 270;
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break;
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default:
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break;
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}
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objectBuilder.beginDictionaryItem("Rotate");
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objectBuilder << angle;
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objectBuilder.endDictionaryItem();
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}
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objectBuilder.endDictionary();
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mergeTo(page.getPageReference(), objectBuilder.takeObject());
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pageReferences.push_back(page.getPageReference());
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}
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setPages(pageReferences);
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}
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void PDFDocumentBuilder::setPages(const std::vector<PDFObjectReference>& pageReferences)
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Kids");
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objectBuilder.beginArray();
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for (const PDFObjectReference& pageReference : pageReferences)
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{
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objectBuilder << pageReference;
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}
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Count");
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objectBuilder << PDFInteger(pageReferences.size());
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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mergeTo(getPageTreeRoot(), objectBuilder.takeObject());
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}
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std::vector<PDFObjectReference> PDFDocumentBuilder::getPages() const
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{
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std::vector<PDFObjectReference> result;
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if (const PDFDictionary* pageTreeRoot = m_storage.getDictionaryFromObject(m_storage.getObject(getPageTreeRoot())))
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{
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PDFDocumentDataLoaderDecorator loader(&m_storage);
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result = loader.readReferenceArrayFromDictionary(pageTreeRoot, "Kids");
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}
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return result;
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}
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std::vector<PDFObject> PDFDocumentBuilder::copyFrom(const std::vector<PDFObject>& objects, const PDFObjectStorage& storage, bool createReferences)
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std::vector<PDFObject> PDFDocumentBuilder::copyFrom(const std::vector<PDFObject>& objects, const PDFObjectStorage& storage, bool createReferences)
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{
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{
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// 1) Collect all references, which we must copy. If object is referenced, then
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// 1) Collect all references, which we must copy. If object is referenced, then
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@ -2756,6 +2863,20 @@ PDFObject PDFDocumentBuilder::createTrailerDictionary(PDFObjectReference catalog
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}
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}
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void PDFDocumentBuilder::removeOutline()
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Outlines");
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objectBuilder << PDFObject();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject updatedCatalog = objectBuilder.takeObject();
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mergeTo(getCatalogReference(), updatedCatalog);
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}
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void PDFDocumentBuilder::setAnnotationAppearanceState(PDFObjectReference annotation,
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void PDFDocumentBuilder::setAnnotationAppearanceState(PDFObjectReference annotation,
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QByteArray appearanceState)
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QByteArray appearanceState)
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{
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{
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@ -3124,6 +3245,54 @@ void PDFDocumentBuilder::updateTrailerDictionary(PDFInteger objectCount)
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}
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}
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void PDFDocumentBuilder::removeThreads()
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Threads");
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objectBuilder << PDFObject();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject updatedCatalog = objectBuilder.takeObject();
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mergeTo(getCatalogReference(), updatedCatalog);
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}
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void PDFDocumentBuilder::removeDocumentActions()
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("OpenAction");
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objectBuilder << PDFObject();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("AA");
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objectBuilder << PDFObject();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject updatedCatalog = objectBuilder.takeObject();
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mergeTo(getCatalogReference(), updatedCatalog);
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}
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void PDFDocumentBuilder::removeStructureTree()
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("StructTreeRoot");
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objectBuilder << PDFObject();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("MarkInfo");
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objectBuilder << PDFObject();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject updatedCatalog = objectBuilder.takeObject();
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mergeTo(getCatalogReference(), updatedCatalog);
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}
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/* END GENERATED CODE */
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/* END GENERATED CODE */
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} // namespace pdf
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} // namespace pdf
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@ -289,6 +289,19 @@ public:
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const PDFFormManager* getFormManager() const;
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const PDFFormManager* getFormManager() const;
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void setFormManager(const PDFFormManager* formManager);
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void setFormManager(const PDFFormManager* formManager);
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/// Flattens page tree, inheritable attributes in non-leaf nodes will
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/// be written into the page tree. Templates will be lost.
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void flattenPageTree();
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/// Sets a list of page references to page tree. Page tree must
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/// be flattened to use this function. \sa flattenPageTree
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/// \param pageReferences Page references
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void setPages(const std::vector<PDFObjectReference>& pageReferences);
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/// Returns a list of page references. Page tree must
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/// be flattened to use this function. \sa flattenPageTree
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std::vector<PDFObjectReference> getPages() const;
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/* START GENERATED CODE */
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/* START GENERATED CODE */
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/// Appends a new page after last page.
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/// Appends a new page after last page.
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@ -810,6 +823,10 @@ public:
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PDFObject createTrailerDictionary(PDFObjectReference catalog);
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PDFObject createTrailerDictionary(PDFObjectReference catalog);
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/// Removes outline tree from document catalog.
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void removeOutline();
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/// Sets annotation appearance state.
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/// Sets annotation appearance state.
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/// \param annotation Annotation
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/// \param annotation Annotation
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/// \param appearanceState Appearance state
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/// \param appearanceState Appearance state
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@ -971,6 +988,18 @@ public:
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void updateTrailerDictionary(PDFInteger objectCount);
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void updateTrailerDictionary(PDFInteger objectCount);
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/// Removes threads from document catalog.
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void removeThreads();
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/// Removes document actions from document catalog.
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void removeDocumentActions();
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/// Removes structure tree from document catalog.
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void removeStructureTree();
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/* END GENERATED CODE */
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/* END GENERATED CODE */
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private:
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private:
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@ -94,4 +94,6 @@ private:
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} // namespace pdf
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} // namespace pdf
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Q_DECLARE_OPERATORS_FOR_FLAGS(pdf::PDFOptimizer::OptimizationFlags)
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#endif // PDFOPTIMIZER_H
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#endif // PDFOPTIMIZER_H
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@ -25,14 +25,14 @@ namespace pdf
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PDFPageInheritableAttributes PDFPageInheritableAttributes::parse(const PDFPageInheritableAttributes& templateAttributes,
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PDFPageInheritableAttributes PDFPageInheritableAttributes::parse(const PDFPageInheritableAttributes& templateAttributes,
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const PDFObject& dictionary,
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const PDFObject& dictionary,
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const PDFDocument* document)
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const PDFObjectStorage* storage)
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{
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{
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PDFPageInheritableAttributes result(templateAttributes);
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PDFPageInheritableAttributes result(templateAttributes);
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const PDFObject& dereferencedDictionary = document->getObject(dictionary);
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const PDFObject& dereferencedDictionary = storage->getObject(dictionary);
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if (dereferencedDictionary.isDictionary())
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if (dereferencedDictionary.isDictionary())
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{
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{
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PDFDocumentDataLoaderDecorator loader(document);
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PDFDocumentDataLoaderDecorator loader(storage);
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const PDFDictionary* dictionary = dereferencedDictionary.getDictionary();
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const PDFDictionary* dictionary = dereferencedDictionary.getDictionary();
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if (dictionary->hasKey("MediaBox"))
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if (dictionary->hasKey("MediaBox"))
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@ -106,11 +106,11 @@ PageRotation PDFPageInheritableAttributes::getPageRotation() const
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return PageRotation::None;
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return PageRotation::None;
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}
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}
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std::vector<PDFPage> PDFPage::parse(const PDFDocument* document, const PDFObject& root)
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std::vector<PDFPage> PDFPage::parse(const PDFObjectStorage* storage, const PDFObject& root)
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{
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{
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std::vector<PDFPage> result;
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std::vector<PDFPage> result;
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std::set<PDFObjectReference> visited;
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std::set<PDFObjectReference> visited;
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parseImpl(result, visited, PDFPageInheritableAttributes(), root, document);
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parseImpl(result, visited, PDFPageInheritableAttributes(), root, storage);
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return result;
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return result;
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}
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}
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@ -228,24 +228,24 @@ void PDFPage::parseImpl(std::vector<PDFPage>& pages,
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std::set<PDFObjectReference>& visitedReferences,
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std::set<PDFObjectReference>& visitedReferences,
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const PDFPageInheritableAttributes& templateAttributes,
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const PDFPageInheritableAttributes& templateAttributes,
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const PDFObject& root,
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const PDFObject& root,
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const PDFDocument* document)
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const PDFObjectStorage* storage)
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{
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{
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// Are we in internal node, or leaf (page object)?
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// Are we in internal node, or leaf (page object)?
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PDFObjectReference objectReference = root.isReference() ? root.getReference() : PDFObjectReference();
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PDFObjectReference objectReference = root.isReference() ? root.getReference() : PDFObjectReference();
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const PDFObject& dereferenced = document->getObject(root);
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const PDFObject& dereferenced = storage->getObject(root);
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if (dereferenced.isDictionary())
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if (dereferenced.isDictionary())
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{
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{
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const PDFDictionary* dictionary = dereferenced.getDictionary();
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const PDFDictionary* dictionary = dereferenced.getDictionary();
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const PDFObject& typeObject = document->getObject(dictionary->get("Type"));
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const PDFObject& typeObject = storage->getObject(dictionary->get("Type"));
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if (typeObject.isName())
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if (typeObject.isName())
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{
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{
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PDFPageInheritableAttributes currentInheritableAttributes = PDFPageInheritableAttributes::parse(templateAttributes, root, document);
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PDFPageInheritableAttributes currentInheritableAttributes = PDFPageInheritableAttributes::parse(templateAttributes, root, storage);
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QByteArray typeString = typeObject.getString();
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QByteArray typeString = typeObject.getString();
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if (typeString == "Pages")
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if (typeString == "Pages")
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{
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{
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const PDFObject& kids = document->getObject(dictionary->get("Kids"));
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const PDFObject& kids = storage->getObject(dictionary->get("Kids"));
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if (kids.isArray())
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if (kids.isArray())
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{
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{
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const PDFArray* kidsArray = kids.getArray();
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const PDFArray* kidsArray = kids.getArray();
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@ -268,7 +268,7 @@ void PDFPage::parseImpl(std::vector<PDFPage>& pages,
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}
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}
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visitedReferences.insert(kid.getReference());
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visitedReferences.insert(kid.getReference());
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parseImpl(pages, visitedReferences, currentInheritableAttributes, kid, document);
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parseImpl(pages, visitedReferences, currentInheritableAttributes, kid, storage);
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}
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}
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}
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}
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else
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else
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@ -284,7 +284,7 @@ void PDFPage::parseImpl(std::vector<PDFPage>& pages,
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page.m_pageReference = objectReference;
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page.m_pageReference = objectReference;
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page.m_mediaBox = currentInheritableAttributes.getMediaBox();
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page.m_mediaBox = currentInheritableAttributes.getMediaBox();
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page.m_cropBox = currentInheritableAttributes.getCropBox();
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page.m_cropBox = currentInheritableAttributes.getCropBox();
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page.m_resources = document->getObject(currentInheritableAttributes.getResources());
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page.m_resources = storage->getObject(currentInheritableAttributes.getResources());
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page.m_pageRotation = currentInheritableAttributes.getPageRotation();
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page.m_pageRotation = currentInheritableAttributes.getPageRotation();
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if (!page.m_cropBox.isValid())
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if (!page.m_cropBox.isValid())
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@ -292,11 +292,11 @@ void PDFPage::parseImpl(std::vector<PDFPage>& pages,
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page.m_cropBox = page.m_mediaBox;
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page.m_cropBox = page.m_mediaBox;
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}
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}
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PDFDocumentDataLoaderDecorator loader(document);
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PDFDocumentDataLoaderDecorator loader(storage);
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page.m_bleedBox = loader.readRectangle(dictionary->get("BleedBox"), page.getCropBox());
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page.m_bleedBox = loader.readRectangle(dictionary->get("BleedBox"), page.getCropBox());
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page.m_trimBox = loader.readRectangle(dictionary->get("TrimBox"), page.getCropBox());
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page.m_trimBox = loader.readRectangle(dictionary->get("TrimBox"), page.getCropBox());
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page.m_artBox = loader.readRectangle(dictionary->get("ArtBox"), page.getCropBox());
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page.m_artBox = loader.readRectangle(dictionary->get("ArtBox"), page.getCropBox());
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page.m_contents = document->getObject(dictionary->get("Contents"));
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page.m_contents = storage->getObject(dictionary->get("Contents"));
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page.m_annots = loader.readReferenceArrayFromDictionary(dictionary, "Annots");
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page.m_annots = loader.readReferenceArrayFromDictionary(dictionary, "Annots");
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page.m_lastModified = PDFEncoding::convertToDateTime(loader.readStringFromDictionary(dictionary, "LastModified"));
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page.m_lastModified = PDFEncoding::convertToDateTime(loader.readStringFromDictionary(dictionary, "LastModified"));
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page.m_thumbnailReference = loader.readReferenceFromDictionary(dictionary, "Thumb");
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page.m_thumbnailReference = loader.readReferenceFromDictionary(dictionary, "Thumb");
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@ -94,8 +94,8 @@ public:
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/// Parses inheritable attributes from the page tree node
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/// Parses inheritable attributes from the page tree node
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/// \param templateAttributes Template attributes
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/// \param templateAttributes Template attributes
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/// \param dictionary Dictionary, from which the data will be read
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/// \param dictionary Dictionary, from which the data will be read
|
||||||
/// \param document Document owning this data
|
/// \param storage Storage owning this data
|
||||||
static PDFPageInheritableAttributes parse(const PDFPageInheritableAttributes& templateAttributes, const PDFObject& dictionary, const PDFDocument* document);
|
static PDFPageInheritableAttributes parse(const PDFPageInheritableAttributes& templateAttributes, const PDFObject& dictionary, const PDFObjectStorage* storage);
|
||||||
|
|
||||||
const QRectF& getMediaBox() const { return m_mediaBox; }
|
const QRectF& getMediaBox() const { return m_mediaBox; }
|
||||||
const QRectF& getCropBox() const { return m_cropBox; }
|
const QRectF& getCropBox() const { return m_cropBox; }
|
||||||
|
@ -117,9 +117,9 @@ public:
|
||||||
explicit PDFPage() = default;
|
explicit PDFPage() = default;
|
||||||
|
|
||||||
/// Parses the page tree. If error occurs, then exception is thrown.
|
/// Parses the page tree. If error occurs, then exception is thrown.
|
||||||
/// \param document Document owning this tree
|
/// \param storage Storage owning this tree
|
||||||
/// \param root Root object of page tree
|
/// \param root Root object of page tree
|
||||||
static std::vector<PDFPage> parse(const PDFDocument* document, const PDFObject& root);
|
static std::vector<PDFPage> parse(const PDFObjectStorage* storage, const PDFObject& root);
|
||||||
|
|
||||||
inline const QRectF& getMediaBox() const { return m_mediaBox; }
|
inline const QRectF& getMediaBox() const { return m_mediaBox; }
|
||||||
inline const QRectF& getCropBox() const { return m_cropBox; }
|
inline const QRectF& getCropBox() const { return m_cropBox; }
|
||||||
|
@ -249,12 +249,12 @@ private:
|
||||||
/// \param visitedReferences Visited references (to check cycles in page tree and avoid hangup)
|
/// \param visitedReferences Visited references (to check cycles in page tree and avoid hangup)
|
||||||
/// \param templateAttributes Template attributes (inheritable attributes defined in parent)
|
/// \param templateAttributes Template attributes (inheritable attributes defined in parent)
|
||||||
/// \param root Root object of page tree
|
/// \param root Root object of page tree
|
||||||
/// \param document Document owning this tree
|
/// \param storage Storage owning this tree
|
||||||
static void parseImpl(std::vector<PDFPage>& pages,
|
static void parseImpl(std::vector<PDFPage>& pages,
|
||||||
std::set<PDFObjectReference>& visitedReferences,
|
std::set<PDFObjectReference>& visitedReferences,
|
||||||
const PDFPageInheritableAttributes& templateAttributes,
|
const PDFPageInheritableAttributes& templateAttributes,
|
||||||
const PDFObject& root,
|
const PDFObject& root,
|
||||||
const PDFDocument* document);
|
const PDFObjectStorage* storage);
|
||||||
|
|
||||||
/// Returns object from page dictionary. This function requires,
|
/// Returns object from page dictionary. This function requires,
|
||||||
/// that storage of object is present, for object fetching. Objects
|
/// that storage of object is present, for object fetching. Objects
|
||||||
|
|
|
@ -55,6 +55,7 @@ SOURCES += \
|
||||||
pdftoolinfopageboxes.cpp \
|
pdftoolinfopageboxes.cpp \
|
||||||
pdftoolinfostructuretree.cpp \
|
pdftoolinfostructuretree.cpp \
|
||||||
pdftoolrender.cpp \
|
pdftoolrender.cpp \
|
||||||
|
pdftoolseparate.cpp \
|
||||||
pdftoolverifysignatures.cpp \
|
pdftoolverifysignatures.cpp \
|
||||||
pdftoolxml.cpp
|
pdftoolxml.cpp
|
||||||
|
|
||||||
|
@ -83,5 +84,6 @@ HEADERS += \
|
||||||
pdftoolinfopageboxes.h \
|
pdftoolinfopageboxes.h \
|
||||||
pdftoolinfostructuretree.h \
|
pdftoolinfostructuretree.h \
|
||||||
pdftoolrender.h \
|
pdftoolrender.h \
|
||||||
|
pdftoolseparate.h \
|
||||||
pdftoolverifysignatures.h \
|
pdftoolverifysignatures.h \
|
||||||
pdftoolxml.h
|
pdftoolxml.h
|
||||||
|
|
|
@ -164,6 +164,11 @@ void PDFToolAbstractApplication::initializeCommandLineParser(QCommandLineParser*
|
||||||
parser->addOption(QCommandLineOption("no-permissive-reading", "Do not attempt to fix damaged documents."));
|
parser->addOption(QCommandLineOption("no-permissive-reading", "Do not attempt to fix damaged documents."));
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (optionFlags.testFlag(Separate))
|
||||||
|
{
|
||||||
|
parser->addPositionalArgument("pattern", "Page pattern, must contain '%' character if multiple pages are selected.");
|
||||||
|
}
|
||||||
|
|
||||||
if (optionFlags.testFlag(SignatureVerification))
|
if (optionFlags.testFlag(SignatureVerification))
|
||||||
{
|
{
|
||||||
parser->addOption(QCommandLineOption("ver-no-user-cert", "Disable user certificate store."));
|
parser->addOption(QCommandLineOption("ver-no-user-cert", "Disable user certificate store."));
|
||||||
|
@ -361,6 +366,11 @@ PDFToolOptions PDFToolAbstractApplication::getOptions(QCommandLineParser* parser
|
||||||
options.permissiveReading = !parser->isSet("no-permissive-reading");
|
options.permissiveReading = !parser->isSet("no-permissive-reading");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (optionFlags.testFlag(Separate))
|
||||||
|
{
|
||||||
|
options.separatePagePattern = positionalArguments.size() >= 2 ? positionalArguments[1] : QString();
|
||||||
|
}
|
||||||
|
|
||||||
if (optionFlags.testFlag(SignatureVerification))
|
if (optionFlags.testFlag(SignatureVerification))
|
||||||
{
|
{
|
||||||
options.verificationUseUserCertificates = !parser->isSet("ver-no-user-cert");
|
options.verificationUseUserCertificates = !parser->isSet("ver-no-user-cert");
|
||||||
|
|
|
@ -129,6 +129,9 @@ struct PDFToolOptions
|
||||||
int renderMSAAsamples = 4;
|
int renderMSAAsamples = 4;
|
||||||
int renderRasterizerCount = pdf::PDFRasterizerPool::getDefaultRasterizerCount();
|
int renderRasterizerCount = pdf::PDFRasterizerPool::getDefaultRasterizerCount();
|
||||||
|
|
||||||
|
// For option 'Separate'
|
||||||
|
QString separatePagePattern;
|
||||||
|
|
||||||
/// Returns page range. If page range is invalid, then \p errorMessage is empty.
|
/// Returns page range. If page range is invalid, then \p errorMessage is empty.
|
||||||
/// \param pageCount Page count
|
/// \param pageCount Page count
|
||||||
/// \param[out] errorMessage Error message
|
/// \param[out] errorMessage Error message
|
||||||
|
@ -194,6 +197,7 @@ public:
|
||||||
ImageExportSettingsResolution = 0x00008000, ///< Settings for resolution of exported images
|
ImageExportSettingsResolution = 0x00008000, ///< Settings for resolution of exported images
|
||||||
ColorManagementSystem = 0x00010000, ///< Color management system settings
|
ColorManagementSystem = 0x00010000, ///< Color management system settings
|
||||||
RenderFlags = 0x00020000, ///< Render flags for page image rasterizer
|
RenderFlags = 0x00020000, ///< Render flags for page image rasterizer
|
||||||
|
Separate = 0x00040000, ///< Settings for Separate tool
|
||||||
};
|
};
|
||||||
Q_DECLARE_FLAGS(Options, Option)
|
Q_DECLARE_FLAGS(Options, Option)
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,140 @@
|
||||||
|
// Copyright (C) 2020 Jakub Melka
|
||||||
|
//
|
||||||
|
// This file is part of PdfForQt.
|
||||||
|
//
|
||||||
|
// PdfForQt is free software: you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU Lesser General Public License as published by
|
||||||
|
// the Free Software Foundation, either version 3 of the License, or
|
||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// PdfForQt is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU Lesser General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU Lesser General Public License
|
||||||
|
// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
#include "pdftoolseparate.h"
|
||||||
|
#include "pdfdocumentbuilder.h"
|
||||||
|
#include "pdfexception.h"
|
||||||
|
#include "pdfoptimizer.h"
|
||||||
|
#include "pdfdocumentwriter.h"
|
||||||
|
|
||||||
|
namespace pdftool
|
||||||
|
{
|
||||||
|
|
||||||
|
static PDFToolSeparate s_toolSeparateApplication;
|
||||||
|
|
||||||
|
QString PDFToolSeparate::getStandardString(StandardString standardString) const
|
||||||
|
{
|
||||||
|
switch (standardString)
|
||||||
|
{
|
||||||
|
case Command:
|
||||||
|
return "separate";
|
||||||
|
|
||||||
|
case Name:
|
||||||
|
return PDFToolTranslationContext::tr("Extract pages");
|
||||||
|
|
||||||
|
case Description:
|
||||||
|
return PDFToolTranslationContext::tr("Separate document into single page documents.");
|
||||||
|
|
||||||
|
default:
|
||||||
|
Q_ASSERT(false);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return QString();
|
||||||
|
}
|
||||||
|
|
||||||
|
int PDFToolSeparate::execute(const PDFToolOptions& options)
|
||||||
|
{
|
||||||
|
pdf::PDFDocument document;
|
||||||
|
QByteArray sourceData;
|
||||||
|
if (!readDocument(options, document, &sourceData))
|
||||||
|
{
|
||||||
|
return ErrorDocumentReading;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!document.getStorage().getSecurityHandler()->isAllowed(pdf::PDFSecurityHandler::Permission::CopyContent))
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(PDFToolTranslationContext::tr("Document doesn't allow to copy content."), options.outputCodec);
|
||||||
|
return ErrorPermissions;
|
||||||
|
}
|
||||||
|
|
||||||
|
QString parseError;
|
||||||
|
std::vector<pdf::PDFInteger> pageIndices = options.getPageRange(document.getCatalog()->getPageCount(), parseError, true);
|
||||||
|
|
||||||
|
if (!parseError.isEmpty())
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(parseError, options.outputCodec);
|
||||||
|
return ErrorInvalidArguments;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (options.separatePagePattern.isEmpty())
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(PDFToolTranslationContext::tr("File template is empty."), options.outputCodec);
|
||||||
|
return ErrorInvalidArguments;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!options.separatePagePattern.contains("%"))
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(PDFToolTranslationContext::tr("File template must contain character '%' for page number."), options.outputCodec);
|
||||||
|
return ErrorInvalidArguments;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (pdf::PDFInteger pageIndex : pageIndices)
|
||||||
|
{
|
||||||
|
try
|
||||||
|
{
|
||||||
|
pdf::PDFDocumentBuilder documentBuilder(&document);
|
||||||
|
documentBuilder.flattenPageTree();
|
||||||
|
std::vector<pdf::PDFObjectReference> pageReferences = documentBuilder.getPages();
|
||||||
|
std::vector<pdf::PDFObjectReference> singlePageRef = { pageReferences[pageIndex] };
|
||||||
|
documentBuilder.setPages(singlePageRef);
|
||||||
|
documentBuilder.removeOutline();
|
||||||
|
documentBuilder.removeThreads();
|
||||||
|
documentBuilder.removeDocumentActions();
|
||||||
|
documentBuilder.removeStructureTree();
|
||||||
|
|
||||||
|
pdf::PDFDocument singlePageDocument = documentBuilder.build();
|
||||||
|
|
||||||
|
// Optimize document - remove unused objects and shrink object storage
|
||||||
|
pdf::PDFOptimizer optimizer(pdf::PDFOptimizer::RemoveUnusedObjects | pdf::PDFOptimizer::ShrinkObjectStorage, nullptr);
|
||||||
|
optimizer.setDocument(&singlePageDocument);
|
||||||
|
optimizer.optimize();
|
||||||
|
singlePageDocument = optimizer.takeOptimizedDocument();
|
||||||
|
|
||||||
|
QString fileName = options.separatePagePattern;
|
||||||
|
fileName.replace('%', QString::number(pageIndex + 1));
|
||||||
|
|
||||||
|
if (QFileInfo::exists(fileName))
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(PDFToolTranslationContext::tr("File '%1' already exists. Page %2 was not extracted.").arg(fileName).arg(pageIndex + 1), options.outputCodec);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
pdf::PDFDocumentWriter writer(nullptr);
|
||||||
|
pdf::PDFOperationResult result = writer.write(fileName, &singlePageDocument, false);
|
||||||
|
if (!result)
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(result.getErrorMessage(), options.outputCodec);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
catch (pdf::PDFException exception)
|
||||||
|
{
|
||||||
|
PDFConsole::writeError(exception.getMessage(), options.outputCodec);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return ExitSuccess;
|
||||||
|
}
|
||||||
|
|
||||||
|
PDFToolAbstractApplication::Options PDFToolSeparate::getOptionsFlags() const
|
||||||
|
{
|
||||||
|
return ConsoleFormat | OpenDocument | PageSelector | Separate;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
} // namespace pdftool
|
|
@ -0,0 +1,36 @@
|
||||||
|
// Copyright (C) 2020 Jakub Melka
|
||||||
|
//
|
||||||
|
// This file is part of PdfForQt.
|
||||||
|
//
|
||||||
|
// PdfForQt is free software: you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU Lesser General Public License as published by
|
||||||
|
// the Free Software Foundation, either version 3 of the License, or
|
||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// PdfForQt is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU Lesser General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU Lesser General Public License
|
||||||
|
// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
#ifndef PDFTOOLSEPARATE_H
|
||||||
|
#define PDFTOOLSEPARATE_H
|
||||||
|
|
||||||
|
#include "pdftoolabstractapplication.h"
|
||||||
|
|
||||||
|
namespace pdftool
|
||||||
|
{
|
||||||
|
|
||||||
|
class PDFToolSeparate : public PDFToolAbstractApplication
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
virtual QString getStandardString(StandardString standardString) const override;
|
||||||
|
virtual int execute(const PDFToolOptions& options) override;
|
||||||
|
virtual Options getOptionsFlags() const override;
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace pdftool
|
||||||
|
|
||||||
|
#endif // PDFTOOLSEPARATE_H
|
|
@ -5763,6 +5763,47 @@ return annotationObject;</property>
|
||||||
<property name="functionDescription">This function is used to create a new trailer dictionary, when blank document is created. Do not call this function manually.</property>
|
<property name="functionDescription">This function is used to create a new trailer dictionary, when blank document is created. Do not call this function manually.</property>
|
||||||
<property name="returnType">_PDFObject</property>
|
<property name="returnType">_PDFObject</property>
|
||||||
</QObject>
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedFunction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="dictionaryItemName">Outlines</property>
|
||||||
|
<property name="objectType">DictionaryItemSimple</property>
|
||||||
|
<property name="value">PDFObject()</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="dictionaryItemName"></property>
|
||||||
|
<property name="objectType">Dictionary</property>
|
||||||
|
<property name="value"></property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="actionType">CreateObject</property>
|
||||||
|
<property name="variableName">updatedCatalog</property>
|
||||||
|
<property name="variableType">_PDFObject</property>
|
||||||
|
<property name="code"></property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="actionType">Code</property>
|
||||||
|
<property name="variableName"></property>
|
||||||
|
<property name="variableType">_void</property>
|
||||||
|
<property name="code">mergeTo(getCatalogReference(), updatedCatalog);</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="functionType">Structure</property>
|
||||||
|
<property name="functionName">removeOutline</property>
|
||||||
|
<property name="functionDescription">Removes outline tree from document catalog.</property>
|
||||||
|
<property name="returnType">_void</property>
|
||||||
|
</QObject>
|
||||||
<QObject class="codegen::GeneratedFunction">
|
<QObject class="codegen::GeneratedFunction">
|
||||||
<property name="objectName"></property>
|
<property name="objectName"></property>
|
||||||
<property name="items">
|
<property name="items">
|
||||||
|
@ -7289,5 +7330,142 @@ updateDocumentInfo(qMove(updatedInfoDictionary));</property>
|
||||||
<property name="functionDescription">This function is used to update trailer dictionary. Must be called each time the final document is being built.</property>
|
<property name="functionDescription">This function is used to update trailer dictionary. Must be called each time the final document is being built.</property>
|
||||||
<property name="returnType">_void</property>
|
<property name="returnType">_void</property>
|
||||||
</QObject>
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedFunction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="dictionaryItemName">Threads</property>
|
||||||
|
<property name="objectType">DictionaryItemSimple</property>
|
||||||
|
<property name="value">PDFObject()</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="dictionaryItemName"></property>
|
||||||
|
<property name="objectType">Dictionary</property>
|
||||||
|
<property name="value"></property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="actionType">CreateObject</property>
|
||||||
|
<property name="variableName">updatedCatalog</property>
|
||||||
|
<property name="variableType">_PDFObject</property>
|
||||||
|
<property name="code"></property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="actionType">Code</property>
|
||||||
|
<property name="variableName"></property>
|
||||||
|
<property name="variableType">_void</property>
|
||||||
|
<property name="code">mergeTo(getCatalogReference(), updatedCatalog);</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="functionType">Structure</property>
|
||||||
|
<property name="functionName">removeThreads</property>
|
||||||
|
<property name="functionDescription">Removes threads from document catalog.</property>
|
||||||
|
<property name="returnType">_void</property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedFunction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="dictionaryItemName">OpenAction</property>
|
||||||
|
<property name="objectType">DictionaryItemSimple</property>
|
||||||
|
<property name="value">PDFObject()</property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="dictionaryItemName">AA</property>
|
||||||
|
<property name="objectType">DictionaryItemSimple</property>
|
||||||
|
<property name="value">PDFObject()</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="dictionaryItemName"></property>
|
||||||
|
<property name="objectType">Dictionary</property>
|
||||||
|
<property name="value"></property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="actionType">CreateObject</property>
|
||||||
|
<property name="variableName">updatedCatalog</property>
|
||||||
|
<property name="variableType">_PDFObject</property>
|
||||||
|
<property name="code"></property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="actionType">Code</property>
|
||||||
|
<property name="variableName"></property>
|
||||||
|
<property name="variableType">_void</property>
|
||||||
|
<property name="code">mergeTo(getCatalogReference(), updatedCatalog);</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="functionType">Structure</property>
|
||||||
|
<property name="functionName">removeDocumentActions</property>
|
||||||
|
<property name="functionDescription">Removes document actions from document catalog.</property>
|
||||||
|
<property name="returnType">_void</property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedFunction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items">
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="dictionaryItemName">StructTreeRoot</property>
|
||||||
|
<property name="objectType">DictionaryItemSimple</property>
|
||||||
|
<property name="value">PDFObject()</property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedPDFObject">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="dictionaryItemName">MarkInfo</property>
|
||||||
|
<property name="objectType">DictionaryItemSimple</property>
|
||||||
|
<property name="value">PDFObject()</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="dictionaryItemName"></property>
|
||||||
|
<property name="objectType">Dictionary</property>
|
||||||
|
<property name="value"></property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="actionType">CreateObject</property>
|
||||||
|
<property name="variableName">updatedCatalog</property>
|
||||||
|
<property name="variableType">_PDFObject</property>
|
||||||
|
<property name="code"></property>
|
||||||
|
</QObject>
|
||||||
|
<QObject class="codegen::GeneratedAction">
|
||||||
|
<property name="objectName"></property>
|
||||||
|
<property name="items"/>
|
||||||
|
<property name="actionType">Code</property>
|
||||||
|
<property name="variableName"></property>
|
||||||
|
<property name="variableType">_void</property>
|
||||||
|
<property name="code">mergeTo(getCatalogReference(), updatedCatalog);</property>
|
||||||
|
</QObject>
|
||||||
|
</property>
|
||||||
|
<property name="functionType">Structure</property>
|
||||||
|
<property name="functionName">removeStructureTree</property>
|
||||||
|
<property name="functionDescription">Removes structure tree from document catalog.</property>
|
||||||
|
<property name="returnType">_void</property>
|
||||||
|
</QObject>
|
||||||
</property>
|
</property>
|
||||||
</root>
|
</root>
|
||||||
|
|
Loading…
Reference in New Issue