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Issue #69: Dashed Line not rendered as expected

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This commit is contained in:
Jakub Melka 2023-07-25 18:26:57 +02:00
parent 2daf1a6d53
commit 06e1ed1f47
5 changed files with 23 additions and 10 deletions
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2
Pdf4QtLib/sources/pdfannotation.cpp
View File

@ -1057,7 +1057,7 @@ QPen PDFAnnotation::getPen() const
{
PDFLineDashPattern lineDashPattern(border.getDashPattern(), 0.0);
pen.setStyle(Qt::CustomDashLine);
pen.setDashPattern(QVector<qreal>(lineDashPattern.getDashArray().begin(), lineDashPattern.getDashArray().end()));
pen.setDashPattern(lineDashPattern.createForQPen(pen.widthF()));
pen.setDashOffset(lineDashPattern.getDashOffset());
}

18
Pdf4QtLib/sources/pdfpagecontentprocessor.cpp
View File

@ -911,8 +911,7 @@ void PDFPageContentProcessor::processPathPainting(const QPainterPath& path, bool
const PDFLineDashPattern& lineDashPattern = m_graphicState.getLineDashPattern();
if (!lineDashPattern.isSolid())
{
const auto& dashArray = lineDashPattern.getDashArray();
stroker.setDashPattern(QVector<PDFReal>(dashArray.begin(), dashArray.end()));
stroker.setDashPattern(lineDashPattern.createForQPen(m_graphicState.getLineWidth()));
stroker.setDashOffset(lineDashPattern.getDashOffset());
}
QPainterPath strokedPath = stroker.createStroke(path);
@ -959,8 +958,7 @@ void PDFPageContentProcessor::processPathPainting(const QPainterPath& path, bool
const PDFLineDashPattern& lineDashPattern = m_graphicState.getLineDashPattern();
if (!lineDashPattern.isSolid())
{
const auto& dashArray = lineDashPattern.getDashArray();
stroker.setDashPattern(QVector<PDFReal>(dashArray.begin(), dashArray.end()));
stroker.setDashPattern(lineDashPattern.createForQPen(m_graphicState.getLineWidth()));
stroker.setDashOffset(lineDashPattern.getDashOffset());
}
QPainterPath strokedPath = stroker.createStroke(path);
@ -3978,6 +3976,18 @@ void PDFLineDashPattern::fix()
}
}
QVector<qreal> PDFLineDashPattern::createForQPen(qreal penWidthF) const
{
QVector<qreal> lineDashPattern(m_dashArray.begin(), m_dashArray.end());
for (qreal& value : lineDashPattern)
{
value /= penWidthF;
}
return lineDashPattern;
}
PDFPageContentProcessor::PDFSoftMaskDefinition PDFPageContentProcessor::PDFSoftMaskDefinition::parse(const PDFDictionary* softMask, PDFPageContentProcessor* processor)
{
PDFSoftMaskDefinition result;

6
Pdf4QtLib/sources/pdfpagecontentprocessor.h
View File

@ -28,6 +28,7 @@
#include "pdftextlayout.h"
#include "pdfoperationcontrol.h"
#include <QVector>
#include <QTransform>
#include <QPainterPath>
#include <QSharedPointer>
@ -68,6 +69,11 @@ public:
/// Fix line dash pattern according to the specification
void fix();
/// Create dash pattern for QPen.
/// \param penWidthF Width of the pen.
/// \note Dash pattern in QPen is in pen width units
QVector<qreal> createForQPen(qreal penWidthF) const;
private:
std::vector<PDFReal> m_dashArray;
PDFReal m_dashOffset = 0.0;

4
Pdf4QtLib/sources/pdfpainter.cpp
View File

@ -136,9 +136,7 @@ QPen PDFPainterBase::getCurrentPenImpl() const
else
{
pen.setStyle(Qt::CustomDashLine);
const auto& dashArray = lineDashPattern.getDashArray();
pen.setDashPattern(QVector<PDFReal>(dashArray.begin(), dashArray.end()));
pen.setDashPattern(lineDashPattern.createForQPen(pen.widthF()));
pen.setDashOffset(lineDashPattern.getDashOffset());
}

3
Pdf4QtLib/sources/pdftransparencyrenderer.cpp
View File

@ -2187,8 +2187,7 @@ void PDFTransparencyRenderer::performPathPainting(const QPainterPath& path, bool
const PDFLineDashPattern& lineDashPattern = getGraphicState()->getLineDashPattern();
if (!lineDashPattern.isSolid())
{
const auto& dashArray = lineDashPattern.getDashArray();
stroker.setDashPattern(QVector<PDFReal>(dashArray.begin(), dashArray.end()));
stroker.setDashPattern(lineDashPattern.createForQPen(getGraphicState()->getLineWidth()));
stroker.setDashOffset(lineDashPattern.getDashOffset());
}
QPainterPath strokedPath = stroker.createStroke(path);