Examples with IPieDataSet com.github.mikephil.charting.interfaces.datasets.IPieDataSet used on opensource projects

Example 6 with IPieDataSet

use of com.github.mikephil.charting.interfaces.datasets.IPieDataSet in project MPAndroidChart by PhilJay.

the class PieHighlighter method getClosestHighlight.

@Override
protected Highlight getClosestHighlight(int index, float x, float y) {
    IPieDataSet set = mChart.getData().getDataSet();
    final Entry entry = set.getEntryForIndex(index);
    return new Highlight(index, entry.getY(), x, y, 0, set.getAxisDependency());
}

Example 7 with IPieDataSet

use of com.github.mikephil.charting.interfaces.datasets.IPieDataSet in project MPAndroidChart by PhilJay.

the class PieChart method calcAngles.

/**
     * calculates the needed angles for the chart slices
     */
private void calcAngles() {
    int entryCount = mData.getEntryCount();
    if (mDrawAngles.length != entryCount) {
        mDrawAngles = new float[entryCount];
    } else {
        for (int i = 0; i < entryCount; i++) {
            mDrawAngles[i] = 0;
        }
    }
    if (mAbsoluteAngles.length != entryCount) {
        mAbsoluteAngles = new float[entryCount];
    } else {
        for (int i = 0; i < entryCount; i++) {
            mAbsoluteAngles[i] = 0;
        }
    }
    float yValueSum = mData.getYValueSum();
    List<IPieDataSet> dataSets = mData.getDataSets();
    int cnt = 0;
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        IPieDataSet set = dataSets.get(i);
        for (int j = 0; j < set.getEntryCount(); j++) {
            mDrawAngles[cnt] = calcAngle(Math.abs(set.getEntryForIndex(j).getY()), yValueSum);
            if (cnt == 0) {
                mAbsoluteAngles[cnt] = mDrawAngles[cnt];
            } else {
                mAbsoluteAngles[cnt] = mAbsoluteAngles[cnt - 1] + mDrawAngles[cnt];
            }
            cnt++;
        }
    }
}