diff options
Diffstat (limited to 'src/data')
-rw-r--r-- | src/data/edgestyle.h | 2 | ||||
-rw-r--r-- | src/data/graph.cpp | 60 | ||||
-rw-r--r-- | src/data/graph.h | 12 | ||||
-rw-r--r-- | src/data/nodestyle.h | 2 |
4 files changed, 73 insertions, 3 deletions
diff --git a/src/data/edgestyle.h b/src/data/edgestyle.h index 069545e..eac060a 100644 --- a/src/data/edgestyle.h +++ b/src/data/edgestyle.h @@ -45,7 +45,7 @@ public: ArrowTipStyle arrowTail() const;
DrawStyle drawStyle() const;
- QPen pen() const;
+ QPen pen() const override;
QPainterPath path() const override;
QPainterPath palettePath() const override;
QIcon icon() const override;
diff --git a/src/data/graph.cpp b/src/data/graph.cpp index 7ed3e91..3123485 100644 --- a/src/data/graph.cpp +++ b/src/data/graph.cpp @@ -98,6 +98,29 @@ QRectF Graph::realBbox() return rect;
}
+QRectF Graph::boundsForNodes(QSet<Node*>nds) {
+ QPointF p;
+ QPointF tl;
+ QPointF br;
+ bool hasPoints = false;
+ foreach (Node *n, nds) {
+ p = n->point();
+ if (!hasPoints) {
+ hasPoints = true;
+ tl = p;
+ br = p;
+ } else {
+ if (p.x() < tl.x()) tl.setX(p.x());
+ if (p.y() > tl.y()) tl.setY(p.y());
+ if (p.x() > br.x()) br.setX(p.x());
+ if (p.y() < br.y()) br.setY(p.y());
+ }
+ }
+
+ QRectF rect(tl, br);
+ return rect;
+}
+
QString Graph::freshNodeName()
{
return QString::number(maxIntName() + 1);
@@ -267,6 +290,43 @@ void Graph::insertGraph(Graph *graph) foreach (Edge *e, graph->edges()) addEdge(e);
}
+void Graph::reflectNodes(QSet<Node*> nds, bool horizontal)
+{
+ QRectF bds = boundsForNodes(nds);
+ float ctr;
+ if (horizontal) ctr = bds.center().x();
+ else ctr = bds.center().y();
+
+ QPointF p;
+ foreach(Node *n, nds) {
+ p = n->point();
+ if (horizontal) p.setX(2 * ctr - p.x());
+ else p.setY(2 * ctr - p.y());
+ n->setPoint(p);
+ }
+
+ foreach (Edge *e, _edges) {
+ if (nds.contains(e->source()) && nds.contains(e->target())) {
+ if (!e->basicBendMode()) {
+ if (horizontal) {
+ if (e->inAngle() < 0) e->setInAngle(-180 - e->inAngle());
+ else e->setInAngle(180 - e->inAngle());
+
+ if (e->outAngle() < 0) e->setOutAngle(-180 - e->outAngle());
+ else e->setOutAngle(180 - e->outAngle());
+ }
+ else {
+ e->setInAngle(-e->inAngle());
+ e->setOutAngle(-e->outAngle());
+ }
+ }
+ else {
+ e->setBend(-e->bend());
+ }
+ }
+ }
+}
+
void Graph::setBbox(const QRectF &bbox)
{
_bbox = bbox;
diff --git a/src/data/graph.h b/src/data/graph.h index 82e1f95..e9e2218 100644 --- a/src/data/graph.h +++ b/src/data/graph.h @@ -46,7 +46,8 @@ public: void addEdge(Edge *e, int index);
void removeEdge(Edge *e);
int maxIntName();
- QString freshNodeName();
+ QRectF boundsForNodes(QSet<Node*> ns);
+ QString freshNodeName();
/*!
* \brief renameApart assigns fresh names to all of the nodes in "this",
@@ -93,6 +94,15 @@ public: * \param graph
*/
void insertGraph(Graph *graph);
+
+ /*!
+ * \brief reflectNodes flips the given set of nodes horizontally or vertically,
+ * depending on the value of the second parameter.
+ * \param nds a set of nodes to flip
+ * \param horizontal a boolean determining whether to flip horizontally or
+ * vertically
+ */
+ void reflectNodes(QSet<Node*> nds, bool horizontal);
signals:
public slots:
diff --git a/src/data/nodestyle.h b/src/data/nodestyle.h index 5eeef9b..c6fc0f6 100644 --- a/src/data/nodestyle.h +++ b/src/data/nodestyle.h @@ -39,7 +39,7 @@ public: QColor fillColor() const;
QBrush brush() const;
- QPainterPath path() const;
+ QPainterPath path() const override;
Shape shape() const;
QPainterPath palettePath() const override;
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