private void renderDotAndLabel(
Canvas canvas,
RadarData lineData,
// float previousX,float previousY,
float currentX,
float currentY,
int listID) {
PlotLine plotLine = lineData.getPlotLine();
if (!plotLine.getDotStyle().equals(XEnum.DotStyle.HIDE)) {
PlotDot pDot = plotLine.getPlotDot();
PlotDotRender.getInstance()
.renderDot(
canvas,
pDot,
currentX - pDot.getDotRadius(),
currentY - pDot.getDotRadius(),
currentX,
currentY,
lineData.getPlotLine().getDotPaint()); // 标识图形
}
// 是否显示标签
if (lineData.getLabelVisible()) {
canvas.drawText(
getFormatterDotLabel(lineData.getLinePoint().get(listID)),
currentX,
currentY,
lineData.getPlotLine().getDotLabelPaint());
}
}
/**
* 绘制数据区网络
*
* @param canvas 画布
*/
private void renderDataArea(Canvas canvas) {
float cirX = plotArea.getCenterX();
float cirY = plotArea.getCenterY();
for (RadarData lineData : mDataSet) {
// 画各自的网
List<Double> dataset = lineData.getLinePoint();
int dataSize = dataset.size();
if (dataSize < 3) {
Log.e(TAG, "这几个数据可不够，最少三个起步.");
continue;
}
Float[] arrayDataX = new Float[dataSize];
Float[] arrayDataY = new Float[dataSize];
int i = 0;
for (Double data : dataset) {
Double per = (data - dataAxis.getAxisMin()) / dataAxis.getAxisRange();
float curRadius = (float) (getRadius() * per);
// 计算位置
MathHelper.getInstance().calcArcEndPointXY(cirX, cirY, curRadius, mArrayLabelAgent[i]);
// 依Path还是Line来决定画线风格
arrayDataX[i] = MathHelper.getInstance().getPosX();
arrayDataY[i] = MathHelper.getInstance().getPosY();
i++; // 标签
}
// 画线或填充
switch (lineData.getAreaStyle()) {
case FILL:
drawDataPath(canvas, lineData, arrayDataX, arrayDataY);
break;
case STROKE:
renderDataLine(canvas, lineData, arrayDataX, arrayDataY);
break;
default:
Log.e(TAG, "这类型不认识.");
}
}
}
