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https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
Free text and line annotations
This commit is contained in:
Jakub Melka
@ -64,6 +64,83 @@ void PDFObjectFactory::endDictionaryItem()
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std::get<PDFDictionary>(dictionaryItem.object).addEntry(qMove(topItem.itemName), qMove(std::get<PDFObject>(topItem.object)));
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}
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PDFObjectFactory& PDFObjectFactory::operator<<(AnnotationLineEnding lineEnding)
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{
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switch (lineEnding)
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{
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case AnnotationLineEnding::Square:
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*this << WrapName("Square");
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break;
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case AnnotationLineEnding::Circle:
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*this << WrapName("Circle");
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break;
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case AnnotationLineEnding::Diamond:
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*this << WrapName("Diamond");
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break;
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case AnnotationLineEnding::OpenArrow:
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*this << WrapName("OpenArrow");
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break;
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case AnnotationLineEnding::ClosedArrow:
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*this << WrapName("ClosedArrow");
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break;
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case AnnotationLineEnding::Butt:
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*this << WrapName("Butt");
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break;
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case AnnotationLineEnding::ROpenArrow:
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*this << WrapName("ROpenArrow");
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break;
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case AnnotationLineEnding::RClosedArrow:
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*this << WrapName("RClosedArrow");
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break;
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case AnnotationLineEnding::Slash:
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*this << WrapName("Slash");
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break;
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case AnnotationLineEnding::None:
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default:
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*this << WrapName("None");
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break;
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}
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return *this;
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}
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PDFObjectFactory& PDFObjectFactory::operator<<(WrapString string)
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{
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addObject(PDFObject::createString(std::make_shared<PDFString>(qMove(string.string))));
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return *this;
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}
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PDFObjectFactory& PDFObjectFactory::operator<<(WrapFreeTextAlignment alignment)
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{
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if (alignment.alignment.testFlag(Qt::AlignLeft))
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{
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*this << 0;
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}
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else if (alignment.alignment.testFlag(Qt::AlignHCenter))
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{
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*this << 1;
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}
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else if (alignment.alignment.testFlag(Qt::AlignRight))
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{
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*this << 2;
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}
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else
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{
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// Default is left alignment
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*this << 0;
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}
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return *this;
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}
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PDFObjectFactory& PDFObjectFactory::operator<<(LinkHighlightMode mode)
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{
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switch (mode)
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@ -350,6 +427,11 @@ PDFDocument PDFDocumentBuilder::build()
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return PDFDocument(PDFObjectStorage(m_storage), m_version);
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}
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std::array<PDFReal, 4> PDFDocumentBuilder::getAnnotationReductionRectangle(const QRectF& boundingRect, const QRectF& innerRect) const
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{
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return { qAbs(innerRect.left() - boundingRect.left()), qAbs(boundingRect.bottom() - innerRect.bottom()), qAbs(boundingRect.right() - innerRect.right()), qAbs(boundingRect.top() - innerRect.top()) };
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}
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PDFObjectReference PDFDocumentBuilder::addObject(PDFObject object)
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{
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return m_storage.addObject(PDFObjectManipulator::removeNullObjects(object));
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@ -538,6 +620,244 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationCircle(PDFObjectReference
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}
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PDFObjectReference PDFDocumentBuilder::createAnnotationFreeText(PDFObjectReference page,
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QRectF rectangle,
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QString title,
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QString subject,
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QString contents,
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TextAlignment textAlignment)
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Type");
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objectBuilder << WrapName("Annot");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Subtype");
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objectBuilder << WrapName("FreeText");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Rect");
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objectBuilder << rectangle;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("F");
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objectBuilder << 4;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("P");
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objectBuilder << page;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("M");
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objectBuilder << WrapCurrentDateTime();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("CreationDate");
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objectBuilder << WrapCurrentDateTime();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("T");
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objectBuilder << title;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Contents");
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objectBuilder << contents;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Subj");
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objectBuilder << subject;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Q");
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objectBuilder << WrapFreeTextAlignment(textAlignment);
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("DA");
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objectBuilder << WrapString("/Arial 10 Tf");
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Annots");
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objectBuilder.beginArray();
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objectBuilder << annotationObject;
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject pageAnnots = objectBuilder.takeObject();
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appendTo(page, pageAnnots);
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return annotationObject;
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}
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PDFObjectReference PDFDocumentBuilder::createAnnotationFreeText(PDFObjectReference page,
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QRectF boundingRectangle,
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QRectF textRectangle,
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QString title,
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QString subject,
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QString contents,
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TextAlignment textAlignment,
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QPointF startPoint,
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QPointF endPoint,
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AnnotationLineEnding startLineType,
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AnnotationLineEnding endLineType)
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Type");
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objectBuilder << WrapName("Annot");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Subtype");
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objectBuilder << WrapName("FreeText");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Rect");
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objectBuilder << boundingRectangle;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("F");
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objectBuilder << 4;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("P");
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objectBuilder << page;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("M");
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objectBuilder << WrapCurrentDateTime();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("CreationDate");
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objectBuilder << WrapCurrentDateTime();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("T");
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objectBuilder << title;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Contents");
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objectBuilder << contents;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Subj");
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objectBuilder << subject;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Q");
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objectBuilder << WrapFreeTextAlignment(textAlignment);
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("DA");
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objectBuilder << WrapString("/Arial 10 Tf");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("RD");
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objectBuilder << getAnnotationReductionRectangle(boundingRectangle, textRectangle);
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("CL");
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objectBuilder.beginArray();
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objectBuilder << startPoint.x();
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objectBuilder << startPoint.y();
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objectBuilder << endPoint.x();
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objectBuilder << endPoint.y();
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("LE");
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objectBuilder.beginArray();
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objectBuilder << startLineType;
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objectBuilder << endLineType;
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Annots");
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objectBuilder.beginArray();
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objectBuilder << annotationObject;
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject pageAnnots = objectBuilder.takeObject();
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appendTo(page, pageAnnots);
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return annotationObject;
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}
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PDFObjectReference PDFDocumentBuilder::createAnnotationLine(PDFObjectReference page,
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QRectF boundingRect,
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QPointF startPoint,
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QPointF endPoint,
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PDFReal lineWidth,
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QColor fillColor,
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QColor strokeColor,
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QString title,
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QString subject,
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QString contents,
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AnnotationLineEnding startLineType,
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AnnotationLineEnding endLineType)
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{
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PDFObjectFactory objectBuilder;
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Type");
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objectBuilder << WrapName("Annot");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Subtype");
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objectBuilder << WrapName("Line");
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Rect");
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objectBuilder << boundingRect;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("F");
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objectBuilder << 4;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("P");
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objectBuilder << page;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("L");
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objectBuilder.beginArray();
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objectBuilder << startPoint.x();
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objectBuilder << startPoint.y();
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objectBuilder << endPoint.x();
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objectBuilder << endPoint.y();
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("LE");
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objectBuilder.beginArray();
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objectBuilder << startLineType;
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objectBuilder << endLineType;
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("M");
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objectBuilder << WrapCurrentDateTime();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("CreationDate");
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objectBuilder << WrapCurrentDateTime();
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Border");
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objectBuilder << std::initializer_list<PDFReal>{ 0.0, 0.0, lineWidth };
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("C");
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objectBuilder << WrapAnnotationColor(strokeColor);
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("IC");
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objectBuilder << WrapAnnotationColor(fillColor);
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("T");
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objectBuilder << title;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Contents");
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objectBuilder << contents;
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objectBuilder.endDictionaryItem();
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objectBuilder.beginDictionaryItem("Subj");
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objectBuilder << subject;
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
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PDFObjectReference popupAnnotation = createAnnotationPopup(page, annotationObject, getPopupWindowRect(boundingRect), false);
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Popup");
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objectBuilder << popupAnnotation;
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject updateAnnotationPopup = objectBuilder.takeObject();
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objectBuilder.beginDictionary();
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objectBuilder.beginDictionaryItem("Annots");
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objectBuilder.beginArray();
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objectBuilder << annotationObject;
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objectBuilder << popupAnnotation;
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objectBuilder.endArray();
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objectBuilder.endDictionaryItem();
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objectBuilder.endDictionary();
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PDFObject pageAnnots = objectBuilder.takeObject();
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mergeTo(annotationObject, updateAnnotationPopup);
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appendTo(page, pageAnnots);
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return annotationObject;
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}
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PDFObjectReference PDFDocumentBuilder::createAnnotationLink(PDFObjectReference page,
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QRectF linkRectangle,
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PDFObjectReference action,
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