XYChart.java 文件源码

protected void drawSeriesBackgroundAndFrame(XYMultipleSeriesRenderer renderer, Canvas canvas, Rect rect, Paint paint) 
{
 int alpha = paint.getAlpha();
 Path path = new Path();
 path.addRect((float)rect.left, (float)rect.top, (float)rect.right, (float)rect.bottom, Direction.CCW);
 // draw fill
    BackgroundAndFill fill = renderer.getSeriesBackgroundColor();
    if (fill != null)
    {
        paint.setStyle(Style.FILL);
        BackgroundDrawer.drawPathBackground(canvas, null, 1, fill, rect, null, 1.0f, path, paint);
        paint.setAlpha(alpha);
    }

    // draw border
    Line frame = renderer.getSeriesFrame();
    if (frame != null)
    {
        paint.setStyle(Style.STROKE);
        paint.setStrokeWidth(2);
        if(frame.isDash())
        {
          DashPathEffect dashPathEffect = new DashPathEffect(new float[] {5, 5}, 10);
            paint.setPathEffect(dashPathEffect);
        }            

        BackgroundDrawer.drawPathBackground(canvas, null, 1, frame.getBackgroundAndFill(), rect, null, 1.0f, path, paint);
        paint.setStyle(Style.FILL);
        paint.setAlpha(alpha);
    }

    paint.reset();
    paint.setAntiAlias(true);
}