指定参数绘制平面环 @param g 图形设备 @param bigBounds 外环边界 @param smallBounds 内环边界 @param start 起始角度 @param extent 角度范围 @param borderColor 边框颜色 @param borderStyle 边框风格 @param borderWeight 边框粗度 @param transparent 透明度 @param fillColor 填充颜色 @return 对应环弧的形状
(Graphics2D g, Rectangle2D bigBounds, Rectangle2D smallBounds, double start, double extent, Color borderColor, int borderStyle, float borderWeight, float transparent, ChartColor fillColor)
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