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Editor plugin: Update of text element

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This commit is contained in:
Jakub Melka 2024-06-26 12:19:01 +02:00
parent b5f102abbd
commit ec31f56981
5 changed files with 261 additions and 179 deletions
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143
Pdf4QtEditorPlugins/EditorPlugin/editorplugin.cpp
View File

@ -188,37 +188,11 @@ QString EditorPlugin::getPluginMenuName() const
return tr("Edi&tor");
}
bool EditorPlugin::save()
bool EditorPlugin::updatePageContent(pdf::PDFInteger pageIndex,
const std::vector<const pdf::PDFPageContentElement*>& elements,
pdf::PDFDocumentBuilder* builder)
{
pdf::PDFTemporaryValueChange guard(&m_isSaving, true);
auto answer = QMessageBox::question(m_dataExchangeInterface->getMainWindow(), tr("Confirm Changes"), tr("The changes to the page content will be written to the document. Do you want to continue?"), QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, QMessageBox::Cancel);
if (answer == QMessageBox::Cancel)
{
return false;
}
if (answer == QMessageBox::Yes)
{
pdf::PDFDocumentModifier modifier(m_document);
pdf::PDFColorConvertor convertor;
std::set<pdf::PDFInteger> pageIndices;
for (const auto& item : m_editedPageContent)
{
pageIndices.insert(item.first);
}
auto elementsByPage = m_scene.getElementsByPage();
for (pdf::PDFInteger pageIndex : pageIndices)
{
if (m_editedPageContent.count(pageIndex) == 0)
{
continue;
}
const pdf::PDFPage* page = m_document->getCatalog()->getPage(pageIndex);
const pdf::PDFEditedPageContent& editedPageContent = m_editedPageContent.at(pageIndex);
@ -228,10 +202,7 @@ bool EditorPlugin::save()
pdf::PDFPageContentEditorContentStreamBuilder contentStreamBuilder(m_document);
contentStreamBuilder.setFontDictionary(editedPageContent.getFontDictionary());
auto it = elementsByPage.find(pageIndex);
if (it != elementsByPage.cend())
{
for (const pdf::PDFPageContentElement* element : it->second)
for (const pdf::PDFPageContentElement* element : elements)
{
const pdf::PDFPageContentElementEdited* editedElement = element->asElementEdited();
const pdf::PDFPageContentElementRectangle* elementRectangle = element->asElementRectangle();
@ -322,7 +293,6 @@ bool EditorPlugin::save()
elementTextBox->drawPage(&painter, &m_scene, pageIndex, nullptr, textLayoutGetter, QTransform(), convertor, errors);
}
}
}
QStringList errors = contentStreamBuilder.getErrors();
contentStreamBuilder.clearErrors();
@ -342,8 +312,6 @@ bool EditorPlugin::save()
}
}
pdf::PDFDocumentBuilder* builder = modifier.getBuilder();
pdf::PDFDictionary fontDictionary = contentStreamBuilder.getFontDictionary();
pdf::PDFDictionary xobjectDictionary = contentStreamBuilder.getXObjectDictionary();
pdf::PDFDictionary graphicStateDictionary = contentStreamBuilder.getGraphicStateDictionary();
@ -402,6 +370,51 @@ bool EditorPlugin::save()
pageObject = pdf::PDFObjectManipulator::merge(pageObject, factory.takeObject(), pdf::PDFObjectManipulator::RemoveNullObjects);
builder->setObject(page->getPageReference(), std::move(pageObject));
return true;
}
bool EditorPlugin::save()
{
pdf::PDFTemporaryValueChange guard(&m_isSaving, true);
auto answer = QMessageBox::question(m_dataExchangeInterface->getMainWindow(), tr("Confirm Changes"), tr("The changes to the page content will be written to the document. Do you want to continue?"), QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, QMessageBox::Cancel);
if (answer == QMessageBox::Cancel)
{
return false;
}
if (answer == QMessageBox::Yes)
{
pdf::PDFDocumentModifier modifier(m_document);
pdf::PDFDocumentBuilder* builder = modifier.getBuilder();
std::set<pdf::PDFInteger> pageIndices;
for (const auto& item : m_editedPageContent)
{
pageIndices.insert(item.first);
}
std::map<pdf::PDFInteger, std::vector<const pdf::PDFPageContentElement*>> elementsByPage = m_scene.getElementsByPage();
for (pdf::PDFInteger pageIndex : pageIndices)
{
if (m_editedPageContent.count(pageIndex) == 0)
{
continue;
}
std::vector<const pdf::PDFPageContentElement*> elements;
auto it = elementsByPage.find(pageIndex);
if (it != elementsByPage.cend())
{
elements = std::move(it->second);
}
if (!updatePageContent(pageIndex, elements, builder))
{
return false;
}
modifier.markReset();
}
@ -517,6 +530,15 @@ void EditorPlugin::onSceneEditElement(const std::set<pdf::PDFInteger>& elements)
if (pdf::PDFPageContentEditorStyleSettings::showEditElementStyleDialog(m_dataExchangeInterface->getMainWindow(), element))
{
if (element->asElementEdited())
{
pdf::PDFPageContentElementEdited* editedElement = dynamic_cast<pdf::PDFPageContentElementEdited*>(element);
if (editedElement->getElement()->asText())
{
updateTextElement(editedElement);
}
}
updateGraphics();
}
}
@ -751,6 +773,55 @@ void EditorPlugin::updateEditedPages()
}
}
bool EditorPlugin::updateTextElement(pdf::PDFPageContentElementEdited* element)
{
pdf::PDFPageContentElementEdited* elementEdited = dynamic_cast<pdf::PDFPageContentElementEdited*>(element);
pdf::PDFEditedPageContentElementText* targetTextElement = elementEdited->getElement()->asText();
if (!targetTextElement)
{
return false;
}
pdf::PDFDocumentModifier modifier(m_document);
pdf::PDFDocumentBuilder* builder = modifier.getBuilder();
if (!updatePageContent(element->getPageIndex(), { element }, builder))
{
return false;
}
if (modifier.finalize())
{
pdf::PDFDocument* document = modifier.getDocument().get();
const pdf::PDFPage* page = document->getCatalog()->getPage(element->getPageIndex());
auto cms = m_widget->getDrawWidgetProxy()->getCMSManager()->getCurrentCMS();
pdf::PDFFontCache fontCache(64, 64);
pdf::PDFOptionalContentActivity activity(document, pdf::OCUsage::View, nullptr);
fontCache.setDocument(pdf::PDFModifiedDocument(document, &activity));
pdf::PDFPageContentEditorProcessor processor(page, document, &fontCache, cms.data(), &activity, QTransform(), pdf::PDFMeshQualitySettings());
QList<pdf::PDFRenderError> errors = processor.processContents();
Q_UNUSED(errors);
pdf::PDFEditedPageContent content = processor.takeEditedPageContent();
if (content.getElementCount() == 1)
{
pdf::PDFEditedPageContentElement* sourceElement = content.getElement(0);
pdf::PDFEditedPageContentElementText* sourceElementText = sourceElement->asText();
targetTextElement->setState(sourceElementText->getState());
targetTextElement->setTextPath(sourceElementText->getTextPath());
}
else
{
return false;
}
}
return true;
}
void EditorPlugin::onDrawSpaceChanged()
{
updateEditedPages();

5
Pdf4QtEditorPlugins/EditorPlugin/editorplugin.h
View File

@ -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();

1
Pdf4QtLibWidgets/sources/pdfpagecontenteditorstylesettings.cpp
View File

@ -283,6 +283,7 @@ bool PDFPageContentEditorStyleSettings::showEditElementStyleDialog(QWidget* pare
if (dialog.exec() == QDialog::Accepted)
{
widget->saveToElement(editedElement);
return true;
}
}
else

5
Pdf4QtLibWidgets/sources/pdfpagecontentelements.cpp
View File

@ -36,6 +36,11 @@
namespace pdf
{
PDFPageContentElement::~PDFPageContentElement()
{
}
PDFInteger PDFPageContentElement::getPageIndex() const
{
return m_pageIndex;

2
Pdf4QtLibWidgets/sources/pdfpagecontentelements.h
View File

@ -51,7 +51,7 @@ class PDF4QTLIBWIDGETSSHARED_EXPORT PDFPageContentElement
{
public:
explicit PDFPageContentElement() = default;
virtual ~PDFPageContentElement() = default;
virtual ~PDFPageContentElement();
virtual PDFPageContentElement* clone() const = 0;