23 lines
888 B
C++
23 lines
888 B
C++
#include "arrowitem.hpp"
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#include <QtMath>
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#include <settings.hpp>
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void ArrowItem::mouseDragEvent(QGraphicsSceneMouseEvent *, CropScene *scene) {
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if (init.isNull()) {
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init = scene->cursorPos();
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line = scene->addLine(QLineF(init, init), scene->pen());
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QPainterPath poly;
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qreal w = settings::settings().value("arrow/width", 20).toDouble() / 2;
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qreal h = settings::settings().value("arrow/height", 10).toDouble();
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poly.lineTo(QPoint(-w, h));
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poly.lineTo(QPoint(0, 0));
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poly.lineTo(QPoint(w, h));
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head = scene->addPath(poly, scene->pen(), scene->brush());
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} else {
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line->setLine(QLineF(init, scene->cursorPos()));
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head->setRotation(
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270 + qRadiansToDegrees(qAtan2((init.y() - scene->cursorPos().y()), (init.x() - scene->cursorPos().x()))));
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}
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head->setPos(scene->cursorPos());
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}
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