tempo-plotter Changeset - 754420135f22 · protofusion repositories

Changeset - 754420135f22

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Hasan Yavuz ÖZDERYA - 8 years ago 2017-04-13 14:34:19
hy@ozderya.net

fancy zoom rubberband background

2 files changed with 26 insertions and 0 deletions:

src/zoomer.cpp

src/zoomer.h

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src/zoomer.cpp

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@@ @@ -73,3 +73,25 @@ QwtText Zoomer::trackerTextF(const QPoin @@
     return b;
+}
 void Zoomer::drawRubberBand(QPainter* painter) const
+{
     const double FILL_ALPHA = 0.2;
     QColor color = painter->pen().color();
     color.setAlphaF(FILL_ALPHA);
     painter->setBrush(color);
     ScrollZoomer::drawRubberBand(painter);
+}
 QRegion Zoomer::rubberBandMask() const
+{
     const QPolygon pa = selection();
     if (pa.count() < 2)
+    {
         return QRegion();
+    }
     const QRect r = QRect(pa.first(), pa.last()).normalized().adjusted(0, 0, 1, 1);
     return QRegion(r);
+}

src/zoomer.h

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@@ @@ -37,6 +37,10 @@ signals: @@
 protected:
     /// Re-implemented to display selection size in the tracker text.
     QwtText trackerTextF(const QPointF &pos) const;
     /// Re-implemented for alpha background
     void drawRubberBand(QPainter* painter) const;
     /// Re-implemented for alpha background (masking is basically disabled)
     QRegion rubberBandMask() const;
 };
 #endif // ZOOMER_H

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