Element editor : add handler for modifie primitives

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4058 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/QetGraphicsItemModeler/qetgraphicshandlerutility.cpp

@@ -155,6 +155,17 @@ QVector<QPointF> QetGraphicsHandlerUtility::pointsForRect(const QRectF &rect)
 	return vector;
 }
 
+/**
+ * @brief QetGraphicsHandlerUtility::pointsForLine
+ * The point that define a line in a QVector.
+ * there is two points.
+ * @param line
+ * @return
+ */
+QVector<QPointF> QetGraphicsHandlerUtility::pointsForLine(const QLineF &line) {
+	return (QVector<QPointF> {line.p1(), line.p2()});
+}
+
 /**
  * @brief QetGraphicsHandlerUtility::rectForPosAtIndex
  * Return a rectangle after modification of the point '@pos' at index '@index' of original rectangle '@old_rect'.
@@ -180,3 +191,17 @@ QRectF QetGraphicsHandlerUtility::rectForPosAtIndex(const QRectF &old_rect, cons
 
 	return rect;
 }
+
+/**
+ * @brief QetGraphicsHandlerUtility::lineForPosAtIndex
+ * Return a line after modification of @pos at index @index of @old_line.
+ * @param old_line
+ * @param pos
+ * @param index
+ * @return
+ */
+QLineF QetGraphicsHandlerUtility::lineForPosAtIndex(const QLineF &old_line, const QPointF &pos, int index) {
+	QLineF line = old_line;
+	index == 0 ? line.setP1(pos) : line.setP2(pos);
+	return line;
+}