tempo-plotter Changeset - e3e70c855836 · protofusion repositories

Changeset - e3e70c855836

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Hasan Yavuz ÖZDERYA - 9 years ago 2017-04-13 14:07:35
hy@ozderya.net

don't try accessing the point list if there is not enough points

1 file changed with 5 insertions and 0 deletions:

src/zoomer.cpp

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src/zoomer.cpp

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@@ @@ -37,34 +37,39 @@ void Zoomer::zoom(int up) @@
     ScrollZoomer::zoom(up);
     if(zoomRectIndex() == 0)
+    {
         emit unzoomed();
+    }
+}
 void Zoomer::zoom( const QRectF & rect)
+{
     // set the zoom base when user zooms in to first level
     if (zoomRectIndex() == 0)
+    {
         this->setZoomBase(false);
+    }
     ScrollZoomer::zoom(rect);
+}
 QwtText Zoomer::trackerTextF(const QPointF& pos) const
+{
     QwtText b = ScrollZoomer::trackerTextF(pos);
     const QPolygon pa = selection();
     if (pa.count() < 2)
+    {
         return b;
+    }
     const QRectF rect = invTransform(QRect(pa.first(), pa.last()).normalized());
     QString sizeText = QString(" [%1, %2]").\
         arg(rect.width(), 0, 'g', 4).\
         arg(rect.height(), 0, 'g', 4);
     b.setText(b.text() + sizeText);
     return b;
+}

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