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37 lines
721 B
C++
37 lines
721 B
C++
#include <QPainter>
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#include "markeritem.h"
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#define SIZE 8
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MarkerItem::MarkerItem(QGraphicsItem *parent) : QGraphicsItem(parent)
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{
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}
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QRectF MarkerItem::boundingRect() const
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{
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return QRectF(-SIZE/2, -SIZE/2, SIZE, SIZE);
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}
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void MarkerItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
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QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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bool aa;
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if ((aa = painter->testRenderHint(QPainter::Antialiasing)))
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painter->setRenderHint(QPainter::Antialiasing, false);
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painter->setPen(Qt::red);
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painter->drawLine(-SIZE/2, 0, SIZE/2, 0);
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painter->drawLine(0, -SIZE/2, 0, SIZE/2);
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if (aa)
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painter->setRenderHint(QPainter::Antialiasing, true);
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// painter->drawRect(boundingRect());
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}
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