mirror of https://github.com/JakubMelka/PDF4QT.git
Editor plugin: Update of text element
This commit is contained in:
Jakub Melka
parent
b5f102abbd
commit
ec31f56981
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@ -188,6 +188,191 @@ QString EditorPlugin::getPluginMenuName() const
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return tr("Edi&tor");
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}
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bool EditorPlugin::updatePageContent(pdf::PDFInteger pageIndex,
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const std::vector<const pdf::PDFPageContentElement*>& elements,
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pdf::PDFDocumentBuilder* builder)
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{
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pdf::PDFColorConvertor convertor;
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const pdf::PDFPage* page = m_document->getCatalog()->getPage(pageIndex);
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const pdf::PDFEditedPageContent& editedPageContent = m_editedPageContent.at(pageIndex);
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QRectF mediaBox = page->getMediaBox();
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QRectF mediaBoxMM = page->getMediaBoxMM();
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pdf::PDFPageContentEditorContentStreamBuilder contentStreamBuilder(m_document);
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contentStreamBuilder.setFontDictionary(editedPageContent.getFontDictionary());
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for (const pdf::PDFPageContentElement* element : elements)
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{
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const pdf::PDFPageContentElementEdited* editedElement = element->asElementEdited();
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const pdf::PDFPageContentElementRectangle* elementRectangle = element->asElementRectangle();
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const pdf::PDFPageContentElementLine* elementLine = element->asElementLine();
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const pdf::PDFPageContentElementDot* elementDot = element->asElementDot();
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const pdf::PDFPageContentElementFreehandCurve* elementFreehandCurve = element->asElementFreehandCurve();
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const pdf::PDFPageContentImageElement* elementImage = element->asElementImage();
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const pdf::PDFPageContentElementTextBox* elementTextBox = element->asElementTextBox();
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if (editedElement)
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{
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contentStreamBuilder.writeEditedElement(editedElement->getElement());
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}
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if (elementRectangle)
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{
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QRectF rect = elementRectangle->getRectangle();
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QPainterPath path;
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if (elementRectangle->isRounded())
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{
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qreal radius = qMin(rect.width(), rect.height()) * 0.25;
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path.addRoundedRect(rect, radius, radius, Qt::AbsoluteSize);
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}
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else
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{
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path.addRect(rect);
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}
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const bool stroke = elementRectangle->getPen().style() != Qt::NoPen;
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const bool fill = elementRectangle->getBrush().style() != Qt::NoBrush;
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contentStreamBuilder.writeStyledPath(path, elementRectangle->getPen(), elementRectangle->getBrush(), stroke, fill);
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}
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if (elementLine)
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{
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QLineF line = elementLine->getLine();
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QPainterPath path;
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path.moveTo(line.p1());
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path.lineTo(line.p2());
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contentStreamBuilder.writeStyledPath(path, elementLine->getPen(), elementLine->getBrush(), true, false);
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}
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if (elementDot)
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{
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QPen pen = elementDot->getPen();
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const qreal radius = pen.widthF() * 0.5;
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QPainterPath path;
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path.addEllipse(elementDot->getPoint(), radius, radius);
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contentStreamBuilder.writeStyledPath(path, Qt::NoPen, QBrush(pen.color()), false, true);
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}
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if (elementFreehandCurve)
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{
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QPainterPath path = elementFreehandCurve->getCurve();
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contentStreamBuilder.writeStyledPath(path, elementFreehandCurve->getPen(), elementFreehandCurve->getBrush(), true, false);
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}
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if (elementImage)
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{
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QImage image = elementImage->getImage();
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if (!image.isNull())
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{
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contentStreamBuilder.writeImage(image, elementImage->getRectangle());
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}
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else
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{
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// It is probably an SVG image
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pdf::PDFContentEditorPaintDevice paintDevice(&contentStreamBuilder, mediaBox, mediaBoxMM);
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QPainter painter(&paintDevice);
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QList<pdf::PDFRenderError> errors;
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pdf::PDFTextLayoutGetter textLayoutGetter(nullptr, pageIndex);
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elementImage->drawPage(&painter, &m_scene, pageIndex, nullptr, textLayoutGetter, QTransform(), convertor, errors);
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}
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}
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if (elementTextBox)
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{
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pdf::PDFContentEditorPaintDevice paintDevice(&contentStreamBuilder, mediaBox, mediaBoxMM);
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QPainter painter(&paintDevice);
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QList<pdf::PDFRenderError> errors;
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pdf::PDFTextLayoutGetter textLayoutGetter(nullptr, pageIndex);
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elementTextBox->drawPage(&painter, &m_scene, pageIndex, nullptr, textLayoutGetter, QTransform(), convertor, errors);
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}
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}
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QStringList errors = contentStreamBuilder.getErrors();
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contentStreamBuilder.clearErrors();
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if (!errors.empty())
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{
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const int errorCount = errors.size();
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if (errors.size() > 3)
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{
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errors.resize(3);
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}
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QString message = tr("Errors (%2) occured while creating content stream on page %3.<br>%1").arg(errors.join("<br>")).arg(errorCount).arg(pageIndex + 1);
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if (QMessageBox::question(m_dataExchangeInterface->getMainWindow(), tr("Error"), message, QMessageBox::Abort, QMessageBox::Ignore) == QMessageBox::Abort)
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{
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return false;
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}
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}
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pdf::PDFDictionary fontDictionary = contentStreamBuilder.getFontDictionary();
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pdf::PDFDictionary xobjectDictionary = contentStreamBuilder.getXObjectDictionary();
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pdf::PDFDictionary graphicStateDictionary = contentStreamBuilder.getGraphicStateDictionary();
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builder->replaceObjectsByReferences(fontDictionary);
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builder->replaceObjectsByReferences(xobjectDictionary);
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builder->replaceObjectsByReferences(graphicStateDictionary);
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pdf::PDFArray array;
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array.appendItem(pdf::PDFObject::createName("FlateDecode"));
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// Compress the content stream
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QByteArray compressedData = pdf::PDFFlateDecodeFilter::compress(contentStreamBuilder.getOutputContent());
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pdf::PDFDictionary contentDictionary;
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contentDictionary.setEntry(pdf::PDFInplaceOrMemoryString("Length"), pdf::PDFObject::createInteger(compressedData.size()));
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contentDictionary.setEntry(pdf::PDFInplaceOrMemoryString("Filter"), pdf::PDFObject::createArray(std::make_shared<pdf::PDFArray>(qMove(array))));
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pdf::PDFObject contentObject = pdf::PDFObject::createStream(std::make_shared<pdf::PDFStream>(qMove(contentDictionary), qMove(compressedData)));
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pdf::PDFObject pageObject = builder->getObjectByReference(page->getPageReference());
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pdf::PDFObjectFactory factory;
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factory.beginDictionary();
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factory.beginDictionaryItem("Resources");
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factory.beginDictionary();
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if (!fontDictionary.isEmpty())
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{
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factory.beginDictionaryItem("Font");
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factory << fontDictionary;
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factory.endDictionaryItem();
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}
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if (!xobjectDictionary.isEmpty())
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{
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factory.beginDictionaryItem("XObject");
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factory << xobjectDictionary;
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factory.endDictionaryItem();
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}
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if (!graphicStateDictionary.isEmpty())
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{
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factory.beginDictionaryItem("ExtGState");
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factory << graphicStateDictionary;
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factory.endDictionaryItem();
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}
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factory.endDictionary();
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factory.endDictionaryItem();
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factory.beginDictionaryItem("Contents");
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factory << builder->addObject(std::move(contentObject));
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factory.endDictionaryItem();
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factory.endDictionary();
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pageObject = pdf::PDFObjectManipulator::merge(pageObject, factory.takeObject(), pdf::PDFObjectManipulator::RemoveNullObjects);
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builder->setObject(page->getPageReference(), std::move(pageObject));
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return true;
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}
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bool EditorPlugin::save()
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{
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pdf::PDFTemporaryValueChange guard(&m_isSaving, true);
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@ -202,8 +387,7 @@ bool EditorPlugin::save()
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if (answer == QMessageBox::Yes)
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{
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pdf::PDFDocumentModifier modifier(m_document);
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pdf::PDFColorConvertor convertor;
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pdf::PDFDocumentBuilder* builder = modifier.getBuilder();
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std::set<pdf::PDFInteger> pageIndices;
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for (const auto& item : m_editedPageContent)
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@ -211,7 +395,7 @@ bool EditorPlugin::save()
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pageIndices.insert(item.first);
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}
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auto elementsByPage = m_scene.getElementsByPage();
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std::map<pdf::PDFInteger, std::vector<const pdf::PDFPageContentElement*>> elementsByPage = m_scene.getElementsByPage();
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for (pdf::PDFInteger pageIndex : pageIndices)
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{
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if (m_editedPageContent.count(pageIndex) == 0)
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@ -219,189 +403,18 @@ bool EditorPlugin::save()
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continue;
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}
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const pdf::PDFPage* page = m_document->getCatalog()->getPage(pageIndex);
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const pdf::PDFEditedPageContent& editedPageContent = m_editedPageContent.at(pageIndex);
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QRectF mediaBox = page->getMediaBox();
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QRectF mediaBoxMM = page->getMediaBoxMM();
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pdf::PDFPageContentEditorContentStreamBuilder contentStreamBuilder(m_document);
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contentStreamBuilder.setFontDictionary(editedPageContent.getFontDictionary());
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std::vector<const pdf::PDFPageContentElement*> elements;
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auto it = elementsByPage.find(pageIndex);
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if (it != elementsByPage.cend())
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{
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for (const pdf::PDFPageContentElement* element : it->second)
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{
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const pdf::PDFPageContentElementEdited* editedElement = element->asElementEdited();
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const pdf::PDFPageContentElementRectangle* elementRectangle = element->asElementRectangle();
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const pdf::PDFPageContentElementLine* elementLine = element->asElementLine();
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const pdf::PDFPageContentElementDot* elementDot = element->asElementDot();
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const pdf::PDFPageContentElementFreehandCurve* elementFreehandCurve = element->asElementFreehandCurve();
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const pdf::PDFPageContentImageElement* elementImage = element->asElementImage();
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const pdf::PDFPageContentElementTextBox* elementTextBox = element->asElementTextBox();
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if (editedElement)
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{
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contentStreamBuilder.writeEditedElement(editedElement->getElement());
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}
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if (elementRectangle)
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{
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QRectF rect = elementRectangle->getRectangle();
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QPainterPath path;
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if (elementRectangle->isRounded())
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{
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qreal radius = qMin(rect.width(), rect.height()) * 0.25;
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path.addRoundedRect(rect, radius, radius, Qt::AbsoluteSize);
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}
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else
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{
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path.addRect(rect);
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}
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const bool stroke = elementRectangle->getPen().style() != Qt::NoPen;
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const bool fill = elementRectangle->getBrush().style() != Qt::NoBrush;
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contentStreamBuilder.writeStyledPath(path, elementRectangle->getPen(), elementRectangle->getBrush(), stroke, fill);
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}
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if (elementLine)
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{
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QLineF line = elementLine->getLine();
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QPainterPath path;
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path.moveTo(line.p1());
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path.lineTo(line.p2());
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contentStreamBuilder.writeStyledPath(path, elementLine->getPen(), elementLine->getBrush(), true, false);
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}
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if (elementDot)
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{
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QPen pen = elementDot->getPen();
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const qreal radius = pen.widthF() * 0.5;
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QPainterPath path;
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path.addEllipse(elementDot->getPoint(), radius, radius);
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contentStreamBuilder.writeStyledPath(path, Qt::NoPen, QBrush(pen.color()), false, true);
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}
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if (elementFreehandCurve)
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{
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QPainterPath path = elementFreehandCurve->getCurve();
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contentStreamBuilder.writeStyledPath(path, elementFreehandCurve->getPen(), elementFreehandCurve->getBrush(), true, false);
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}
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if (elementImage)
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{
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QImage image = elementImage->getImage();
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if (!image.isNull())
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{
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contentStreamBuilder.writeImage(image, elementImage->getRectangle());
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}
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else
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{
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// It is probably an SVG image
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pdf::PDFContentEditorPaintDevice paintDevice(&contentStreamBuilder, mediaBox, mediaBoxMM);
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QPainter painter(&paintDevice);
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QList<pdf::PDFRenderError> errors;
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pdf::PDFTextLayoutGetter textLayoutGetter(nullptr, pageIndex);
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elementImage->drawPage(&painter, &m_scene, pageIndex, nullptr, textLayoutGetter, QTransform(), convertor, errors);
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}
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}
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if (elementTextBox)
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{
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pdf::PDFContentEditorPaintDevice paintDevice(&contentStreamBuilder, mediaBox, mediaBoxMM);
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QPainter painter(&paintDevice);
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QList<pdf::PDFRenderError> errors;
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pdf::PDFTextLayoutGetter textLayoutGetter(nullptr, pageIndex);
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elementTextBox->drawPage(&painter, &m_scene, pageIndex, nullptr, textLayoutGetter, QTransform(), convertor, errors);
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}
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}
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elements = std::move(it->second);
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}
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QStringList errors = contentStreamBuilder.getErrors();
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contentStreamBuilder.clearErrors();
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if (!errors.empty())
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if (!updatePageContent(pageIndex, elements, builder))
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{
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const int errorCount = errors.size();
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if (errors.size() > 3)
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{
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errors.resize(3);
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}
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QString message = tr("Errors (%2) occured while creating content stream on page %3.<br>%1").arg(errors.join("<br>")).arg(errorCount).arg(pageIndex + 1);
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if (QMessageBox::question(m_dataExchangeInterface->getMainWindow(), tr("Error"), message, QMessageBox::Abort, QMessageBox::Ignore) == QMessageBox::Abort)
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{
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return false;
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}
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return false;
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}
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pdf::PDFDocumentBuilder* builder = modifier.getBuilder();
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pdf::PDFDictionary fontDictionary = contentStreamBuilder.getFontDictionary();
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pdf::PDFDictionary xobjectDictionary = contentStreamBuilder.getXObjectDictionary();
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pdf::PDFDictionary graphicStateDictionary = contentStreamBuilder.getGraphicStateDictionary();
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builder->replaceObjectsByReferences(fontDictionary);
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builder->replaceObjectsByReferences(xobjectDictionary);
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builder->replaceObjectsByReferences(graphicStateDictionary);
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pdf::PDFArray array;
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array.appendItem(pdf::PDFObject::createName("FlateDecode"));
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// Compress the content stream
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QByteArray compressedData = pdf::PDFFlateDecodeFilter::compress(contentStreamBuilder.getOutputContent());
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pdf::PDFDictionary contentDictionary;
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contentDictionary.setEntry(pdf::PDFInplaceOrMemoryString("Length"), pdf::PDFObject::createInteger(compressedData.size()));
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contentDictionary.setEntry(pdf::PDFInplaceOrMemoryString("Filter"), pdf::PDFObject::createArray(std::make_shared<pdf::PDFArray>(qMove(array))));
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pdf::PDFObject contentObject = pdf::PDFObject::createStream(std::make_shared<pdf::PDFStream>(qMove(contentDictionary), qMove(compressedData)));
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pdf::PDFObject pageObject = builder->getObjectByReference(page->getPageReference());
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pdf::PDFObjectFactory factory;
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factory.beginDictionary();
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factory.beginDictionaryItem("Resources");
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factory.beginDictionary();
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if (!fontDictionary.isEmpty())
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{
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factory.beginDictionaryItem("Font");
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factory << fontDictionary;
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factory.endDictionaryItem();
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}
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if (!xobjectDictionary.isEmpty())
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{
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factory.beginDictionaryItem("XObject");
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factory << xobjectDictionary;
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factory.endDictionaryItem();
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}
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if (!graphicStateDictionary.isEmpty())
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{
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factory.beginDictionaryItem("ExtGState");
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factory << graphicStateDictionary;
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factory.endDictionaryItem();
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}
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factory.endDictionary();
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factory.endDictionaryItem();
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factory.beginDictionaryItem("Contents");
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factory << builder->addObject(std::move(contentObject));
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factory.endDictionaryItem();
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factory.endDictionary();
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pageObject = pdf::PDFObjectManipulator::merge(pageObject, factory.takeObject(), pdf::PDFObjectManipulator::RemoveNullObjects);
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builder->setObject(page->getPageReference(), std::move(pageObject));
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modifier.markReset();
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}
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@ -517,6 +530,15 @@ void EditorPlugin::onSceneEditElement(const std::set<pdf::PDFInteger>& elements)
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if (pdf::PDFPageContentEditorStyleSettings::showEditElementStyleDialog(m_dataExchangeInterface->getMainWindow(), element))
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{
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if (element->asElementEdited())
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{
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pdf::PDFPageContentElementEdited* editedElement = dynamic_cast<pdf::PDFPageContentElementEdited*>(element);
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if (editedElement->getElement()->asText())
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{
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updateTextElement(editedElement);
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}
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}
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updateGraphics();
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}
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}
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@ -751,6 +773,55 @@ void EditorPlugin::updateEditedPages()
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}
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}
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bool EditorPlugin::updateTextElement(pdf::PDFPageContentElementEdited* element)
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{
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pdf::PDFPageContentElementEdited* elementEdited = dynamic_cast<pdf::PDFPageContentElementEdited*>(element);
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pdf::PDFEditedPageContentElementText* targetTextElement = elementEdited->getElement()->asText();
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if (!targetTextElement)
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{
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return false;
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}
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pdf::PDFDocumentModifier modifier(m_document);
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pdf::PDFDocumentBuilder* builder = modifier.getBuilder();
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if (!updatePageContent(element->getPageIndex(), { element }, builder))
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{
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return false;
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}
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if (modifier.finalize())
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{
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pdf::PDFDocument* document = modifier.getDocument().get();
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const pdf::PDFPage* page = document->getCatalog()->getPage(element->getPageIndex());
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auto cms = m_widget->getDrawWidgetProxy()->getCMSManager()->getCurrentCMS();
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pdf::PDFFontCache fontCache(64, 64);
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pdf::PDFOptionalContentActivity activity(document, pdf::OCUsage::View, nullptr);
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fontCache.setDocument(pdf::PDFModifiedDocument(document, &activity));
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pdf::PDFPageContentEditorProcessor processor(page, document, &fontCache, cms.data(), &activity, QTransform(), pdf::PDFMeshQualitySettings());
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QList<pdf::PDFRenderError> errors = processor.processContents();
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Q_UNUSED(errors);
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pdf::PDFEditedPageContent content = processor.takeEditedPageContent();
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if (content.getElementCount() == 1)
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{
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pdf::PDFEditedPageContentElement* sourceElement = content.getElement(0);
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pdf::PDFEditedPageContentElementText* sourceElementText = sourceElement->asText();
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targetTextElement->setState(sourceElementText->getState());
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targetTextElement->setTextPath(sourceElementText->getTextPath());
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}
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else
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{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void EditorPlugin::onDrawSpaceChanged()
|
||||
{
|
||||
updateEditedPages();
|
||||
|
|
|
|||
|
|
@ -112,6 +112,11 @@ private:
|
|||
void updateDockWidget();
|
||||
void updateEditedPages();
|
||||
|
||||
bool updatePageContent(pdf::PDFInteger pageIndex,
|
||||
const std::vector<const pdf::PDFPageContentElement*>& elements,
|
||||
pdf::PDFDocumentBuilder* builder);
|
||||
bool updateTextElement(pdf::PDFPageContentElementEdited* element);
|
||||
|
||||
void onDrawSpaceChanged();
|
||||
|
||||
pdf::PDFWidgetTool* getActiveTool();
|
||||
|
|
|
|||
|
|
@ -283,6 +283,7 @@ bool PDFPageContentEditorStyleSettings::showEditElementStyleDialog(QWidget* pare
|
|||
if (dialog.exec() == QDialog::Accepted)
|
||||
{
|
||||
widget->saveToElement(editedElement);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
else
|
||||
|
|
|
|||
|
|
@ -36,6 +36,11 @@
|
|||
namespace pdf
|
||||
{
|
||||
|
||||
PDFPageContentElement::~PDFPageContentElement()
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
PDFInteger PDFPageContentElement::getPageIndex() const
|
||||
{
|
||||
return m_pageIndex;
|
||||
|
|
|
|||
|
|
@ -51,7 +51,7 @@ class PDF4QTLIBWIDGETSSHARED_EXPORT PDFPageContentElement
|
|||
{
|
||||
public:
|
||||
explicit PDFPageContentElement() = default;
|
||||
virtual ~PDFPageContentElement() = default;
|
||||
virtual ~PDFPageContentElement();
|
||||
|
||||
virtual PDFPageContentElement* clone() const = 0;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue