70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
#include "graphicsItem/handleRect.h"
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#include <QPainter>
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HandleRect::HandleRect(QGraphicsItem *parent)
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:ItemControlHandle(parent)
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{
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}
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HandleRect::~HandleRect()
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{
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}
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QRectF HandleRect::boundingRect() const
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{
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// 设置边界矩形，这里我们返回一个从(10,10)开始，宽度为100，高度为50的矩形
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return QRectF(-HNDLE_SIZE / 2,
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-HNDLE_SIZE / 2,
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HNDLE_SIZE,
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HNDLE_SIZE);
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}
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void HandleRect::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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Q_UNUSED(option)
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Q_UNUSED(widget)
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painter->setPen(Qt::SolidLine);
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painter->setRenderHint(QPainter::Antialiasing, true);
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if(m_type==T_resize)
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{
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painter->setBrush(Qt::white);
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painter->drawRect(boundingRect());
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}
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else if(m_type==T_rotate)
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{
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painter->setPen(Qt::NoPen);
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painter->setBrush(Qt::NoBrush);
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painter->drawRect(boundingRect());
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}
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else if(m_type==T_editShape)
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{
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painter->setBrush(Qt::green);
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painter->drawEllipse(boundingRect().center(), HNDLE_SIZE / 2, HNDLE_SIZE / 2);
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}
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else if(m_type==T_lineIn)
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{
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painter->setPen(Qt::NoPen);
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painter->setBrush(Qt::green);
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painter->drawEllipse(boundingRect().center(), HNDLE_SIZE / 2, HNDLE_SIZE / 2);
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}
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else if(m_type==T_lineOut)
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{
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painter->setPen(Qt::NoPen);
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painter->setBrush(Qt::red);
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painter->drawEllipse(boundingRect().center(), HNDLE_SIZE / 2, HNDLE_SIZE / 2);
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}
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}
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void HandleRect::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
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{
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ItemControlHandle::hoverEnterEvent(event);
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}
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void HandleRect::hoverLeaveEvent(QGraphicsSceneHoverEvent* event)
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{
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ItemControlHandle::hoverLeaveEvent(event);
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}
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