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DocDiff application: markers

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This commit is contained in:
Jakub Melka
2021-10-15 17:34:50 +02:00
parent e838f5130a
commit ddbc6a344d
6 changed files with 129 additions and 7 deletions
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80
Pdf4QtDocDiff/utils.cpp
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@@ -16,6 +16,8 @@
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#include "utils.h"
#include "pdfwidgetutils.h"
#include "pdfpainterutils.h"
#include <QPainter>
@@ -294,6 +296,11 @@ void DifferencesDrawInterface::drawPage(QPainter* painter,
Q_UNUSED(layoutGetter);
Q_UNUSED(errors);
if (!m_settings->displayDifferences)
{
return;
}
const size_t differencesCount = m_diffResult->getDifferencesCount();
const pdf::PDFInteger leftPageIndex = m_mapper->getLeftPageIndex(pageIndex);
const pdf::PDFInteger rightPageIndex = m_mapper->getRightPageIndex(pageIndex);
@@ -308,7 +315,9 @@ void DifferencesDrawInterface::drawPage(QPainter* painter,
const auto& item = *it;
if (item.first == leftPageIndex)
{
drawRectangle(painter, pagePointToDevicePointMatrix, item.second, i);
QColor color = getColorForIndex(i);
drawRectangle(painter, pagePointToDevicePointMatrix, item.second, color);
drawMarker(painter, pagePointToDevicePointMatrix, item.second, color, true);
}
}
}
@@ -324,7 +333,9 @@ void DifferencesDrawInterface::drawPage(QPainter* painter,
const auto& item = *it;
if (item.first == rightPageIndex)
{
drawRectangle(painter, pagePointToDevicePointMatrix, item.second, i);
QColor color = getColorForIndex(i);
drawRectangle(painter, pagePointToDevicePointMatrix, item.second, color);
drawMarker(painter, pagePointToDevicePointMatrix, item.second, color, false);
}
}
}
@@ -366,13 +377,72 @@ void DifferencesDrawInterface::drawPostRendering(QPainter* painter, QRect rect)
void DifferencesDrawInterface::drawRectangle(QPainter* painter,
const QMatrix& pagePointToDevicePointMatrix,
const QRectF& rect,
size_t resultIndex) const
QColor color) const
{
QColor color = getColorForIndex(resultIndex);
color.setAlphaF(0.3);
color.setAlphaF(0.5);
QRectF resultRect = pagePointToDevicePointMatrix.mapRect(rect);
painter->fillRect(resultRect, color);
}
void DifferencesDrawInterface::drawMarker(QPainter* painter,
const QMatrix& pagePointToDevicePointMatrix,
const QRectF& rect,
QColor color,
bool isLeft) const
{
if (!m_settings->displayMarkers)
{
return;
}
pdf::PDFPainterStateGuard guard(painter);
QRectF deviceRect = pagePointToDevicePointMatrix.mapRect(rect);
QPointF snapPoint;
QPointF markPoint;
if (isLeft)
{
snapPoint.ry() = deviceRect.center().y();
snapPoint.rx() = deviceRect.left();
markPoint = snapPoint;
markPoint.rx() = 0;
}
else
{
snapPoint.ry() = deviceRect.center().y();
snapPoint.rx() = deviceRect.right();
markPoint = snapPoint;
markPoint.rx() = painter->device()->width();
}
const qreal lineWidthF = pdf::PDFWidgetUtils::scaleDPI_y(painter->device(), 2);
QPen pen(Qt::DotLine);
pen.setColor(color);
pen.setWidthF(lineWidthF);
painter->setBrush(Qt::NoBrush);
painter->setPen(pen);
painter->drawLine(snapPoint, markPoint);
const qreal markSizeX = pdf::PDFWidgetUtils::scaleDPI_x(painter->device(), 10);
const qreal markSizeY = pdf::PDFWidgetUtils::scaleDPI_y(painter->device(), 10);
QPointF ptc = markPoint;
QPointF ptTop = ptc;
QPointF ptBottom = ptc;
ptTop.ry() -= markSizeY;
ptBottom.ry() += markSizeY;
ptc.rx() += isLeft ? markSizeX : -markSizeX;
std::array points = { ptTop, ptc, ptBottom };
painter->setPen(Qt::NoPen);
painter->setBrush(QBrush(color));
painter->drawConvexPolygon(points.data(), int(points.size()));
}
} // namespace pdfdocdiff