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#include "UBGraphicsVectorItem.h" |
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#include "frameworks/UBGeometryUtils.h" |
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#include "UBGraphicsScene.h" |
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#include "core/memcheck.h" |
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#include <iostream> |
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UBGraphicsVectorItem::UBGraphicsVectorItem (QGraphicsItem * parent) |
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: QGraphicsLineItem(parent) |
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, mHasAlpha(false) |
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, mOriginalWidth(-1) |
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, mIsNominalLine(false) |
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{ |
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// NOOP
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initialize(); |
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} |
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UBGraphicsVectorItem::UBGraphicsVectorItem (const QLineF & line, QGraphicsItem * parent) |
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: QGraphicsLineItem(line, parent) |
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, mOriginalWidth(-1) |
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, mIsNominalLine(false) |
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{ |
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// NOOP
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initialize(); |
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} |
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UBGraphicsVectorItem::UBGraphicsVectorItem (const QLineF& pLine, qreal pWidth) |
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: QGraphicsLineItem(pLine) |
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, mOriginalLine(pLine) |
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, mOriginalWidth(pWidth) |
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, mIsNominalLine(true) |
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{ |
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// NOOP
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initialize(); |
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} |
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UBGraphicsVectorItem::UBGraphicsVectorItem (const QLineF& pLine, qreal pStartWidth, qreal pEndWidth) |
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: QGraphicsLineItem(pLine) |
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, mOriginalLine(pLine) |
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, mOriginalWidth(pEndWidth) |
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, mIsNominalLine(true) |
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{ |
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// NOOP
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initialize(); |
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} |
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void UBGraphicsVectorItem::initialize() |
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{ |
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//setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::DrawingItem)); //Necessary to set if we want z value to be assigned correctly
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setDelegate(new UBGraphicsItemDelegate(this, 0, GF_COMMON |
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| GF_RESPECT_RATIO |
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| GF_REVOLVABLE |
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| GF_FLIPPABLE_ALL_AXIS)); |
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setUuid(QUuid::createUuid()); |
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setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::ObjectItem)); //Necessary to set if we want z value to be assigned correctly
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setFlag(QGraphicsItem::ItemSendsGeometryChanges, true); |
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setFlag(QGraphicsItem::ItemIsSelectable, true); |
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setFlag(QGraphicsItem::ItemIsMovable, true); |
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setSublines(); |
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} |
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void UBGraphicsVectorItem::setSublines() |
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{ |
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QLineF thisLine = QLineF(this->line().p2().x(), this->line().p2().y(),this->line().p2().x()+this->line().length()/10, this->line().p2().y()); |
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thisLine.setAngle(this->line().angle() - 135); |
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sublines.push_back(new QGraphicsLineItem(thisLine)); |
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thisLine = QLineF(this->line().p2().x(), this->line().p2().y(),this->line().p2().x()+this->line().length()/10, this->line().p2().y()); |
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thisLine.setAngle(this->line().angle() + 135); |
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sublines.push_back(new QGraphicsLineItem(thisLine)); |
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} |
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void UBGraphicsVectorItem::setUuid(const QUuid &pUuid) |
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{ |
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UBItem::setUuid(pUuid); |
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setData(UBGraphicsItemData::ItemUuid, QVariant(pUuid)); //store item uuid inside the QGraphicsItem to fast operations with Items on the scene
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} |
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UBGraphicsVectorItem::~UBGraphicsVectorItem() |
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{ |
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for (int i = 0; i < sublines.size(); ++i) |
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delete sublines[i]; |
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sublines.clear(); |
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} |
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void UBGraphicsVectorItem::setColor(const QColor& pColor) |
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{ |
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QPen pen = QPen(pColor); |
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pen.setStyle(style()); |
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pen.setCapStyle(Qt::PenCapStyle::RoundCap); |
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pen.setWidth(mOriginalWidth); |
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QGraphicsLineItem::setPen(pen); |
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for (int i = 0; i < sublines.size(); ++i) |
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sublines[i]->setPen(pen); |
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mHasAlpha = (pColor.alphaF() < 1.0); |
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} |
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QColor UBGraphicsVectorItem::color() const |
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{ |
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return QGraphicsLineItem::pen().color(); |
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} |
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void UBGraphicsVectorItem::setStyle(const Qt::PenStyle& style) |
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{ |
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QPen pen = QPen(color()); |
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pen.setStyle(style); |
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pen.setCapStyle(Qt::PenCapStyle::RoundCap); |
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pen.setWidth(mOriginalWidth); |
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QGraphicsLineItem::setPen(pen); |
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for (int i = 0; i < sublines.size(); ++i) |
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sublines[i]->setPen(pen); |
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} |
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Qt::PenStyle UBGraphicsVectorItem::style() const |
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{ |
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return QGraphicsLineItem::pen().style(); |
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} |
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QList<QPointF> UBGraphicsVectorItem::linePoints() |
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{ |
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QList<QPointF> points = QList<QPointF>(); |
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qreal incr = 1/line().length(); |
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if (incr<0) incr*=-1; |
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if (incr>0) |
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{ |
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for (qreal t = 0; t <= 1; t+=incr) |
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{ |
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points.push_back(line().pointAt(t)); |
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} |
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} |
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return points; |
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} |
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UBItem* UBGraphicsVectorItem::deepCopy() const |
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{ |
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UBGraphicsVectorItem* copy = new UBGraphicsVectorItem(line()); |
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copyItemParameters(copy); |
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return copy; |
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} |
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void UBGraphicsVectorItem::copyItemParameters(UBItem *copy) const |
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{ |
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UBGraphicsVectorItem *cp = dynamic_cast<UBGraphicsVectorItem*>(copy); |
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if (cp) |
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{ |
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cp->mOriginalLine = this->mOriginalLine; |
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cp->mOriginalWidth = this->mOriginalWidth; |
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cp->mIsNominalLine = this->mIsNominalLine; |
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cp->setTransform(transform()); |
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cp->setPos(pos()); |
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cp->setPen(this->pen()); |
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cp->mHasAlpha = this->mHasAlpha; |
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cp->setColorOnDarkBackground(this->colorOnDarkBackground()); |
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cp->setColorOnLightBackground(this->colorOnLightBackground()); |
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cp->setFlag(QGraphicsItem::ItemIsMovable, true); |
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cp->setFlag(QGraphicsItem::ItemIsSelectable, true); |
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cp->setZValue(this->zValue()); |
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cp->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType)); |
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cp->setData(UBGraphicsItemData::ItemLocked, this->data(UBGraphicsItemData::ItemLocked)); |
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} |
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} |
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void UBGraphicsVectorItem::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) |
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{ |
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QStyleOptionGraphicsItem styleOption = QStyleOptionGraphicsItem(*option); |
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if(mHasAlpha && scene() && scene()->isLightBackground()) |
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painter->setCompositionMode(QPainter::CompositionMode_SourceOver); |
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painter->setRenderHints(QPainter::Antialiasing); |
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QGraphicsLineItem::paint(painter, option, widget); |
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for (int i = 0; i <sublines.size(); ++i) |
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{ |
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sublines[i]->paint(painter, option, widget); |
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} |
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Delegate()->postpaint(painter, &styleOption, widget); |
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} |
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UBGraphicsScene* UBGraphicsVectorItem::scene() |
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{ |
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return qobject_cast<UBGraphicsScene*>(QGraphicsLineItem::scene()); |
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} |
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void UBGraphicsVectorItem::SetDelegate() |
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{ |
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Delegate()->createControls(); |
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} |
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QVariant UBGraphicsVectorItem::itemChange(GraphicsItemChange change, const QVariant &value) |
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{ |
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QVariant newValue = Delegate()->itemChange(change, value); |
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UBGraphicsItem *item = dynamic_cast<UBGraphicsItem*>(this); |
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if (item) |
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{ |
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item->Delegate()->positionHandles(); |
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} |
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return QGraphicsItem::itemChange(change, newValue); |
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} |
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@ -0,0 +1,107 @@ |
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#ifndef UBGRAPHICSVECTORITEM_H |
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#define UBGRAPHICSVECTORITEM_H |
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#include <QtGui> |
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#include "core/UB.h" |
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#include "UBItem.h" |
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class UBItem; |
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class UBGraphicsScene; |
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class UBGraphicsVectorItem: public QGraphicsLineItem, public UBItem, public UBGraphicsItem |
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{ |
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public: |
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UBGraphicsVectorItem(); |
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public: |
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UBGraphicsVectorItem(QGraphicsItem * parent = 0 ); |
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UBGraphicsVectorItem(const QLineF& line, qreal pWidth); |
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UBGraphicsVectorItem(const QLineF& pLine, qreal pStartWidth, qreal pEndWidth); |
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UBGraphicsVectorItem(const QLineF & line, QGraphicsItem * parent = 0); |
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~UBGraphicsVectorItem(); |
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void initialize(); |
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void setUuid(const QUuid &pUuid); |
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void setColor(const QColor& color); |
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void setStyle(const Qt::PenStyle& style); |
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QColor color() const; |
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Qt::PenStyle style() const; |
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virtual UBGraphicsScene* scene(); |
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enum { Type = UBGraphicsItemType::VectorItemType }; |
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virtual int type() const |
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{ |
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return Type; |
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} |
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void setLine(const QLineF pLine) |
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{ |
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mIsNominalLine = false; |
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QGraphicsLineItem::setLine(pLine); |
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} |
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virtual UBItem* deepCopy() const; |
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virtual void copyItemParameters(UBItem *copy) const; |
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QLineF originalLine() { return mOriginalLine;} |
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qreal originalWidth() { return mOriginalWidth;} |
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bool isNominalLine() {return mIsNominalLine;} |
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void setNominalLine(bool isNominalLine) { mIsNominalLine = isNominalLine; } |
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QList<QPointF> linePoints(); |
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QColor colorOnDarkBackground() const |
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{ |
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return mColorOnDarkBackground; |
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} |
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void setColorOnDarkBackground(QColor pColorOnDarkBackground) |
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{ |
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mColorOnDarkBackground = pColorOnDarkBackground; |
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} |
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QColor colorOnLightBackground() const |
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{ |
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return mColorOnLightBackground; |
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} |
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void setColorOnLightBackground(QColor pColorOnLightBackground) |
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{ |
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mColorOnLightBackground = pColorOnLightBackground; |
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} |
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void SetDelegate(); |
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QList<QGraphicsLineItem*> SubLines() |
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{ |
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return sublines; |
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} |
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protected: |
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void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget); |
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virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value); |
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void setSublines(); |
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private: |
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bool mHasAlpha; |
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QLineF mOriginalLine; |
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qreal mOriginalWidth; |
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bool mIsNominalLine; |
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QColor mColorOnDarkBackground; |
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QColor mColorOnLightBackground; |
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QList<QGraphicsLineItem *> sublines; |
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}; |
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#endif // UBGRAPHICSVECTORITEM_H
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