78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
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#include "ShapeItemBase.h"
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ShapeItemBase::ShapeItemBase(EShapeType type) :types(type)
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{
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setHandlesChildEvents(false);//设置后才能将事件传递到子元素
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if (type != EShapeType::sNone) //模式选择 自定义模式用于显示亚像素轮廓和Region 不设定任何属性
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{
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this->setFlags(QGraphicsItem::ItemIsSelectable |
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QGraphicsItem::ItemIsMovable |
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QGraphicsItem::ItemIsFocusable);
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}
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this->setCursor(Qt::ArrowCursor);
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activeHandle = nullptr;
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bounding_rect = QRectF(0, 0, 100, 100);
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ItemPath.addRect(bounding_rect);
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ItemShape.addRect(bounding_rect);
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}
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ShapeItemBase::~ShapeItemBase()
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{
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}
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void ShapeItemBase::focusInEvent(QFocusEvent* event)
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{
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Q_UNUSED(event);
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this->setZValue(99);
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shape_active = true;
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}
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void ShapeItemBase::focusOutEvent(QFocusEvent* event)
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{
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Q_UNUSED(event);
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this->setZValue(1);
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shape_active = false;
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}
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QRectF ShapeItemBase::boundingRect() const
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{
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return ItemPath.boundingRect().united(ItemShape.boundingRect());
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}
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QPainterPath ShapeItemBase::shape() const
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{
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return ItemShape.united(ItemPath);
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}
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void ShapeItemBase::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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QGraphicsItemGroup::paint(painter, option, widget);
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painter->setPen(Qt::NoPen);
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if (shape_active)
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{
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painter->setBrush(activeBackgroundColor);
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//painter->drawRect(this->boundingRect());
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}
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else
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{
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if (m_shape_mode == ShapeMode::mAdd)
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{
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painter->setBrush(addBackgroundColor);
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}
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else
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{
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painter->setBrush(divBackgroundColor);
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}
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}
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if (!ItemPath.isEmpty())
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{
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painter->setPen(ItemColor);
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//painter->setBrush(Qt::NoBrush);
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painter->drawPath(ItemPath);
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}
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}
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