@Override
public void calculateOffsets() {
super.calculateOffsets();
// prevent nullpointer when no data set
if (mDataNotSet) return;
float diameter = getDiameter();
float radius = diameter / 2f;
PointF c = getCenterOffsets();
final List<PieDataSet> dataSets = mData.getDataSets();
float maxShift = 0.f;
for (int i = 0; i < dataSets.size(); i++) {
final float shift = dataSets.get(i).getSelectionShift();
if (shift > maxShift) maxShift = shift;
}
final float halfMaxShift = maxShift / 2.f;
// create the circle box that will contain the pie-chart (the bounds of
// the pie-chart)
mCircleBox.set(
c.x - radius + halfMaxShift,
c.y - radius + halfMaxShift,
c.x + radius - halfMaxShift,
c.y + radius - halfMaxShift);
}
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mDataNotSet) return;
long starttime = System.currentTimeMillis();
drawXLabels();
drawWeb();
drawLimitLines();
drawData();
drawAdditional();
drawHighlights();
drawYLabels();
drawValues();
drawLegend();
drawDescription();
drawMarkers();
canvas.drawBitmap(mDrawBitmap, 0, 0, mDrawPaint);
Log.i(LOG_TAG, "RadarChart DrawTime: " + (System.currentTimeMillis() - starttime) + " ms");
}
@Override
public void prepare() {
super.prepare();
prepareYLabels();
prepareXLabels();
}
@Override
public void setPaint(Paint p, int which) {
super.setPaint(p, which);
switch (which) {
case PAINT_RADAR_WEB:
mWebPaint = p;
break;
}
}
@Override
protected void init() {
super.init();
mWebLineWidth = Utils.convertDpToPixel(1.5f);
mInnerWebLineWidth = Utils.convertDpToPixel(0.75f);
mWebPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mWebPaint.setStyle(Paint.Style.STROKE);
mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mHighlightPaint.setStyle(Paint.Style.STROKE);
mHighlightPaint.setStrokeWidth(2f);
mHighlightPaint.setColor(Color.rgb(255, 187, 115));
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mDataNotSet) return;
mRenderer.drawData(canvas);
if (valuesToHighlight()) mRenderer.drawHighlighted(canvas, mIndicesToHighlight);
mRenderer.drawExtras(canvas);
mRenderer.drawValues(canvas);
mLegendRenderer.renderLegend(canvas);
drawDescription(canvas);
drawMarkers(canvas);
}
@Override
protected void init() {
super.init();
mRenderer = new PieChartRenderer(this, mAnimator, mViewPortHandler);
}
@Override
protected void calcMinMax() {
super.calcMinMax();
calcAngles();
}
@Override
protected void calcMinMax(boolean fixedValues) {
super.calcMinMax(fixedValues);
mYChartMin = 0;
}