/**
* 绘制最外围的标签及主轴的刻度线标签
*
* @param canvas 画布
*/
private void renderAxisLabels(Canvas canvas) {
// 标签个数决定角的个数
int labelsCount = getPlotAgentNumber();
// 轴线tick总数
int dataAxisTickCount = getAxisTickCount();
for (int i = 0; i < dataAxisTickCount; i++) {
for (int j = 0; j < labelsCount; j++) {
// 绘制最外围的标签
if (i == dataAxisTickCount - 1) {
// 绘制最外围的标签
String label = CategoryAxis.getDataSet().get(j);
canvas.drawText(label, mArrayLabelX[i][j], mArrayLabelY[i][j], getLabelPaint());
}
// 绘制主轴的刻度线与标签
if (0 == j) { // 显示在第一轴线上(即270度的那根线)
// 绘制主轴(DataAxis)的刻度线
double tick = this.dataAxis.getAxisSteps() * i + dataAxis.getAxisMin();
dataAxis.renderAxisHorizontalTick(
this, canvas, mArrayDotX[i][j], mArrayDotY[i][j], Double.toString(tick));
}
} // end for labels
} // end for data
}
/**
* 标签个数决定了图中角的个数
*
* @return 标签总个数
*/
private int getPlotAgentNumber() {
return CategoryAxis.getDataSet().size();
}
/**
* 分类轴的数据源
*
* @param dataSeries 标签集
*/
public void setCategories(List<String> dataSeries) {
CategoryAxis.setDataBuilding(dataSeries);
}