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Issue #100: Annotation rectangle

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This commit is contained in:
Jakub Melka
2023-10-18 20:11:43 +02:00
parent edc86a84fa
commit 3d32db2046
8 changed files with 151 additions and 2 deletions
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56
Pdf4QtLib/sources/pdfadvancedtools.cpp
View File

@@ -202,9 +202,12 @@ PDFCreateLineTypeTool::PDFCreateLineTypeTool(PDFDrawWidgetProxy* proxy, PDFToolM
m_strokeColor(Qt::red),
m_fillColor(Qt::yellow)
{
m_pickTool = new PDFPickTool(proxy, PDFPickTool::Mode::Points, this);
PDFPickTool::Mode mode = (type != Type::Rectangle) ? PDFPickTool::Mode::Points : PDFPickTool::Mode::Rectangles;
m_pickTool = new PDFPickTool(proxy, mode, this);
addTool(m_pickTool);
connect(m_pickTool, &PDFPickTool::pointPicked, this, &PDFCreateLineTypeTool::onPointPicked);
connect(m_pickTool, &PDFPickTool::rectanglePicked, this, &PDFCreateLineTypeTool::onRectanglePicked);
m_pickTool->setDrawSelectionRectangle(false);
m_fillColor.setAlphaF(0.2f);
@@ -222,6 +225,14 @@ void PDFCreateLineTypeTool::onPointPicked(PDFInteger pageIndex, QPointF pagePoin
}
}
void PDFCreateLineTypeTool::onRectanglePicked(PDFInteger pageIndex, QRectF pageRectangle)
{
m_rectPageIndex = pageIndex;
m_rectOnPage = pageRectangle;
finishDefinition();
}
void PDFCreateLineTypeTool::finishDefinition()
{
const std::vector<QPointF>& pickedPoints = m_pickTool->getPickedPoints();
@@ -309,6 +320,36 @@ void PDFCreateLineTypeTool::finishDefinition()
break;
}
case Type::Rectangle:
{
if (!m_rectOnPage.isEmpty())
{
PDFDocumentModifier modifier(getDocument());
QPolygonF polygon;
polygon << m_rectOnPage.topLeft();
polygon << m_rectOnPage.topRight();
polygon << m_rectOnPage.bottomRight();
polygon << m_rectOnPage.bottomLeft();
polygon << m_rectOnPage.topLeft();
QString userName = PDFSysUtils::getUserName();
PDFObjectReference page = getDocument()->getCatalog()->getPage(m_pickTool->getPageIndex())->getPageReference();
PDFObjectReference annotation = modifier.getBuilder()->createAnnotationPolygon(page, polygon, m_penWidth, m_fillColor, m_strokeColor, userName, QString(), QString());
modifier.getBuilder()->setAnnotationFillOpacity(annotation, m_fillColor.alphaF());
modifier.getBuilder()->updateAnnotationAppearanceStreams(annotation);
modifier.markAnnotationsChanged();
if (modifier.finalize())
{
Q_EMIT m_toolManager->documentModified(PDFModifiedDocument(modifier.getDocument(), nullptr, modifier.getFlags()));
}
setActive(false);
}
break;
}
default:
Q_ASSERT(false);
break;
@@ -476,6 +517,19 @@ void PDFCreateLineTypeTool::drawPage(QPainter* painter,
break;
}
case Type::Rectangle:
{
QPointF startPoint = points.front();
qreal x1 = qMin(startPoint.x(), mousePoint.x());
qreal y1 = qMin(startPoint.y(), mousePoint.y());
qreal x2 = qMax(startPoint.x(), mousePoint.x());
qreal y2 = qMax(startPoint.y(), mousePoint.y());
QRectF rect(x1, y1, x2 - x1, y2 - y1);
painter->drawRect(rect);
break;
}
default:
Q_ASSERT(false);
break;

6
Pdf4QtLib/sources/pdfadvancedtools.h
View File

@@ -121,7 +121,8 @@ public:
{
Line,
PolyLine,
Polygon
Polygon,
Rectangle
};
explicit PDFCreateLineTypeTool(PDFDrawWidgetProxy* proxy, PDFToolManager* toolManager, Type type, QAction* action, QObject* parent);
@@ -145,6 +146,7 @@ public:
private:
void onPointPicked(PDFInteger pageIndex, QPointF pagePoint);
void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
void finishDefinition();
PDFToolManager* m_toolManager;
@@ -153,6 +155,8 @@ private:
PDFReal m_penWidth;
QColor m_strokeColor;
QColor m_fillColor;
PDFInteger m_rectPageIndex = 0;
QRectF m_rectOnPage;
};
/// Tool that creates ellipse annotation.