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Stamp annotation creation tool

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This commit is contained in:
Jakub Melka
2020-12-10 19:27:26 +01:00
parent 75f7f38984
commit 11ad8f2821
7 changed files with 428 additions and 25 deletions
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105
PdfForQtLib/sources/pdfadvancedtools.cpp
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@ -751,4 +751,109 @@ void PDFCreateFreehandCurveTool::resetTool()
m_pickedPoints.clear();
}
PDFCreateStampTool::PDFCreateStampTool(PDFDrawWidgetProxy* proxy, PDFToolManager* toolManager, QActionGroup* actionGroup, QObject* parent) :
BaseClass(proxy, parent),
m_pageIndex(-1),
m_toolManager(toolManager),
m_actionGroup(actionGroup),
m_pickTool(nullptr)
{
m_pickTool = new PDFPickTool(proxy, PDFPickTool::Mode::Points, this);
addTool(m_pickTool);
connect(m_pickTool, &PDFPickTool::pointPicked, this, &PDFCreateStampTool::onPointPicked);
connect(m_actionGroup, &QActionGroup::triggered, this, &PDFCreateStampTool::onActionTriggered);
m_stampAnnotation.setStrokingOpacity(0.5);
m_stampAnnotation.setFillingOpacity(0.5);
updateActions();
}
void PDFCreateStampTool::drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QMatrix& pagePointToDevicePointMatrix,
QList<PDFRenderError>& errors) const
{
Q_UNUSED(compiledPage);
Q_UNUSED(layoutGetter);
Q_UNUSED(pagePointToDevicePointMatrix);
Q_UNUSED(errors);
if (pageIndex != m_pageIndex)
{
return;
}
const PDFPage* page = getDocument()->getCatalog()->getPage(pageIndex);
QRectF rectangle = m_stampAnnotation.getRectangle();
QMatrix matrix = getProxy()->getAnnotationManager()->prepareTransformations(pagePointToDevicePointMatrix, painter->device(), m_stampAnnotation.getFlags(), page, rectangle);
painter->setWorldMatrix(matrix, true);
AnnotationDrawParameters parameters;
parameters.painter = painter;
parameters.annotation = const_cast<PDFStampAnnotation*>(&m_stampAnnotation);
parameters.key.first = PDFAppeareanceStreams::Appearance::Normal;
parameters.invertColors = getProxy()->getFeatures().testFlag(PDFRenderer::InvertColors);
m_stampAnnotation.draw(parameters);
}
void PDFCreateStampTool::mouseMoveEvent(QWidget* widget, QMouseEvent* event)
{
BaseClass::mouseMoveEvent(widget, event);
// Try to add point to the path
QPointF pagePoint;
m_pageIndex = getProxy()->getPageUnderPoint(event->pos(), &pagePoint);
if (m_pageIndex != -1)
{
m_stampAnnotation.setRectangle(QRectF(pagePoint, QSizeF(0, 0)));
}
}
void PDFCreateStampTool::updateActions()
{
BaseClass::updateActions();
if (m_actionGroup)
{
const bool isEnabled = getDocument() && getDocument()->getStorage().getSecurityHandler()->isAllowed(PDFSecurityHandler::Permission::ModifyInteractiveItems);
m_actionGroup->setEnabled(isEnabled);
if (!isActive() && m_actionGroup->checkedAction())
{
m_actionGroup->checkedAction()->setChecked(false);
}
}
}
void PDFCreateStampTool::onActionTriggered(QAction* action)
{
setActive(action && action->isChecked());
if (action)
{
m_stampAnnotation.setStamp(static_cast<Stamp>(action->data().toInt()));
}
}
void PDFCreateStampTool::onPointPicked(PDFInteger pageIndex, QPointF pagePoint)
{
PDFDocumentModifier modifier(getDocument());
QString userName = PDFSysUtils::getUserName();
PDFObjectReference page = getDocument()->getCatalog()->getPage(pageIndex)->getPageReference();
modifier.getBuilder()->createAnnotationStamp(page, QRectF(pagePoint, QSizeF(0, 0)), m_stampAnnotation.getStamp(), userName, QString(), QString());
modifier.markAnnotationsChanged();
if (modifier.finalize())
{
emit m_toolManager->documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
}
setActive(false);
}
} // namespace pdf