HistoryChartView.java 文件源码

private void initRoomTempPath(float[] data) {
    mRoomTempPath.reset();
    // Path path = new Path();
    float pointX;
    float pointY;
    // 横向
    mRoomTempPath.moveTo(Xpoint + xFirstPointOffset,
            getDataY(data[0], Ylabel));
    mRoomTempPath.moveTo(Xpoint + xFirstPointOffset,
            getDataY(data[0], Ylabel));
    for (int i = 0; i < Xlabel.length; i++) {
        float startX = Xpoint + i * Xscale + xFirstPointOffset;
        // 绘制数据连线
        if (i != 0) {
            pointX = Xpoint + (i - 1) * Xscale + xFirstPointOffset;
            pointY = getDataY(data[i - 1], Ylabel);
            mRoomTempPath.lineTo(pointX, pointY);
        }
        if (i == Xlabel.length - 1) {
            pointX = startX;
            pointY = getDataY(data[i], Ylabel);
            mRoomTempPath.lineTo(pointX, pointY);
        }
    }
    mRoomTempPathMeasure = new PathMeasure(mRoomTempPath, false);
}