diagramitem.cpp Example File

tools/undoframework/diagramitem.cpp
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#include <QtWidgets> #include "diagramitem.h" DiagramItem::DiagramItem(DiagramType diagramType, QGraphicsItem *item) : QGraphicsPolygonItem(item) { if (diagramType == Box) { boxPolygon << QPointF(0, 0) << QPointF(0, 30) << QPointF(30, 30) << QPointF(30, 0) << QPointF(0, 0); setPolygon(boxPolygon); } else { trianglePolygon << QPointF(15, 0) << QPointF(30, 30) << QPointF(0, 30) << QPointF(15, 0); setPolygon(trianglePolygon); } QColor color(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256)); QBrush brush(color); setBrush(brush); setFlag(QGraphicsItem::ItemIsSelectable); setFlag(QGraphicsItem::ItemIsMovable); }