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Pdf4QtLibCore/sources/pdfdocumentbuilder.cpp

@@ -285,6 +285,12 @@ PDFObjectFactory& PDFObjectFactory::operator<<(AnnotationBorderStyle style)
     return *this;
 }
 
+PDFObjectFactory& PDFObjectFactory::operator<<(PDFDictionary dictionary)
+{
+    *this << PDFObject::createDictionary(std::make_shared<pdf::PDFDictionary>(std::move(dictionary)));
+    return *this;
+}
+
 PDFObjectFactory& PDFObjectFactory::operator<<(const QDateTime& dateTime)
 {
     addObject(PDFObject::createString(PDFEncoding::convertDateTimeToString(dateTime)));
@@ -708,6 +714,19 @@ PDFDocument PDFDocumentBuilder::build()
     return PDFDocument(PDFObjectStorage(m_storage), m_version, QByteArray());
 }
 
+void PDFDocumentBuilder::replaceObjectsByReferences(PDFDictionary& dictionary)
+{
+    for (size_t i = 0; i < dictionary.getCount(); ++i)
+    {
+        const PDFObject& object = dictionary.getValue(i);
+        if (!object.isReference())
+        {
+            auto key = dictionary.getKey(i);
+            dictionary.setEntry(key, PDFObject::createReference(addObject(object)));
+        }
+    }
+}
+
 QByteArray PDFDocumentBuilder::getDecodedStream(const PDFStream* stream) const
 {
     return m_storage.getDecodedStream(stream);

Pdf4QtLibCore/sources/pdfdocumentbuilder.h

@@ -133,6 +133,7 @@ public:
     PDFObjectFactory& operator<<(const PDFDestination& destination);
     PDFObjectFactory& operator<<(PageRotation pageRotation);
     PDFObjectFactory& operator<<(PDFFormSubmitFlags flags);
+    PDFObjectFactory& operator<<(PDFDictionary dictionary);
 
     /// Treat containers - write them as array
     template<typename Container, typename ValueType = decltype(*std::begin(std::declval<Container>()))>
@@ -343,6 +344,9 @@ public:
     /// if document being built was invalid.
     PDFDocument build();
 
+    ///  Replaces all objects by references in the dictionary
+    void replaceObjectsByReferences(PDFDictionary& dictionary);
+
     /// If object is reference, the dereference attempt is performed
     /// and object is returned. If it is not a reference, then self
     /// is returned. If dereference attempt fails, then null object

Pdf4QtLibCore/sources/pdfobject.h

@@ -427,6 +427,8 @@ public:
     /// Removes null objects from dictionary
     void removeNullObjects();
 
+    bool isEmpty() const { return getCount() == 0; }
+
     /// Optimizes the dictionary for memory consumption
     virtual void optimize() override;
 

Pdf4QtLibCore/sources/pdfpagecontenteditorprocessor.cpp

@@ -778,6 +778,11 @@ void PDFEditedPageContentElementText::setItemsAsText(const QString& newItemsAsTe
     m_itemsAsText = newItemsAsText;
 }
 
+PDFPageContentEditorContentStreamBuilder::PDFPageContentEditorContentStreamBuilder()
+{
+
+}
+
 void PDFPageContentEditorContentStreamBuilder::writeStateDifference(QTextStream& stream, const PDFPageContentProcessorState& state)
 {
     m_currentState.setState(state);
@@ -1065,6 +1070,11 @@ void PDFPageContentEditorContentStreamBuilder::writeElement(const PDFEditedPageC
     stream << Qt::endl;
 }
 
+const QByteArray& PDFPageContentEditorContentStreamBuilder::getOutputContent() const
+{
+    return m_outputContent;
+}
+
 void PDFPageContentEditorContentStreamBuilder::writePainterPath(QTextStream& stream,
                                                                 const QPainterPath& path,
                                                                 bool isStroking,
@@ -1455,4 +1465,9 @@ void PDFPageContentEditorContentStreamBuilder::addError(const QString& error)
     m_errors << error;
 }
 
+void PDFPageContentEditorContentStreamBuilder::setFontDictionary(const PDFDictionary& newFontDictionary)
+{
+    m_fontDictionary = newFontDictionary;
+}
+
 }   // namespace pdf

Pdf4QtLibCore/sources/pdfpagecontenteditorprocessor.h

@@ -218,6 +218,15 @@ public:
 
     const QByteArray& getOutputContent() const;
 
+    const PDFDictionary& getFontDictionary() const { return m_fontDictionary; }
+    const PDFDictionary& getXObjectDictionary() const { return m_xobjectDictionary; }
+    const PDFDictionary& getGraphicStateDictionary() const { return m_graphicStateDictionary; }
+
+    void setFontDictionary(const PDFDictionary& newFontDictionary);
+
+    const QStringList& getErrors() const { return m_errors; }
+    void clearErrors() { m_errors.clear(); }
+
 private:
     void writePainterPath(QTextStream& stream,
                           const QPainterPath& path,