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Call onChartScale listener after double-tap-zoom
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danielgindi committed Jan 22, 2020
1 parent 13aee59 commit fcc5af7
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Showing 2 changed files with 9 additions and 2 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -580,12 +580,19 @@ public boolean onDoubleTap(MotionEvent e) {

MPPointF trans = getTrans(e.getX(), e.getY());

mChart.zoom(mChart.isScaleXEnabled() ? 1.4f : 1f, mChart.isScaleYEnabled() ? 1.4f : 1f, trans.x, trans.y);
float scaleX = mChart.isScaleXEnabled() ? 1.4f : 1f;
float scaleY = mChart.isScaleYEnabled() ? 1.4f : 1f;

mChart.zoom(scaleX, scaleY, trans.x, trans.y);

if (mChart.isLogEnabled())
Log.i("BarlineChartTouch", "Double-Tap, Zooming In, x: " + trans.x + ", y: "
+ trans.y);

if (l != null) {
l.onChartScale(e, scaleX, scaleY);
}

MPPointF.recycleInstance(trans);
}

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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ public interface OnChartGestureListener {
void onChartFling(MotionEvent me1, MotionEvent me2, float velocityX, float velocityY);

/**
* Callbacks when the chart is scaled / zoomed via pinch zoom gesture.
* Callbacks when the chart is scaled / zoomed via pinch zoom / double-tap gesture.
*
* @param me
* @param scaleX scalefactor on the x-axis
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