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Element editor : add new handler for arc to resize angle with mouse.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4722 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2016-09-25 08:14:29 +00:00
parent 55c094d663
commit bd4a472b7d
6 changed files with 162 additions and 55 deletions
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22
sources/QetGraphicsItemModeler/qetgraphicshandlerutility.cpp
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@@ -169,6 +169,28 @@ QVector<QPointF> QetGraphicsHandlerUtility::pointsForLine(const QLineF &line) {
return (QVector<QPointF> {line.p1(), line.p2()});
}
#include <QDebug>
/**
* @brief QetGraphicsHandlerUtility::pointsForArc
* Return the points for the given arc.
* The first value in the vector is the start point, the second the end point.
* @param rect
* @param start_angle : start angle in degree
* @param span_angle : span angle in degree;
* @return
*/
QVector<QPointF> QetGraphicsHandlerUtility::pointsForArc(const QRectF &rect, qreal start_angle, qreal span_angle)
{
QVector<QPointF> vector;
QPainterPath path;
path.arcTo(rect, start_angle, 0);
vector.append(path.currentPosition());
path.arcTo(rect, start_angle, span_angle);
vector.append(path.currentPosition());
return vector;
}
/**
* @brief QetGraphicsHandlerUtility::rectForPosAtIndex
* Return a rectangle after modification of the point '@pos' at index '@index' of original rectangle '@old_rect'.