#include #include "griditem.h" #define GRID_WIDTH 0 void GridItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { Q_UNUSED(option); Q_UNUSED(widget); QBrush brush(Qt::gray); QPen pen = QPen(brush, GRID_WIDTH, Qt::DotLine); painter->setRenderHint(QPainter::Antialiasing, false); painter->setPen(pen); for (int i = 0; i < _xTicks.size(); i++) painter->drawLine(_xTicks.at(i), 0, _xTicks.at(i), -_boundingRect.height()); for (int i = 0; i < _yTicks.size(); i++) painter->drawLine(0, -_yTicks.at(i), boundingRect().width(), -_yTicks.at(i)); //painter->setPen(Qt::red); //painter->drawRect(boundingRect()); } void GridItem::setTicks(const QList &x, const QList &y) { _xTicks = x; _yTicks = y; update(); } void GridItem::setSize(const QSizeF &size) { prepareGeometryChange(); _boundingRect = QRectF(QPointF(0, -size.height()), size); }