/// <summary>
/// 检查贴图的是否能建立边界，如果建立边界失败，将抛出异常。成功时则返回所建的边界。
/// 在检测贴图是否能被正常的建立边界的情况下使用。
/// </summary>
/// <param name="tex"></param>
/// <param name="borderMap">建立边界成功时返回结果</param>
public static void CheckBorder(Texture2D tex, out SpriteBorder.BorderMap borderMap)
{
SpriteBorder border = new SpriteBorder(tex, out borderMap);
}
/// <summary>
/// 构造指定贴图的边界，为了测试，返回borderMap
/// </summary>
/// <param name="tex"></param>
/// <param name="borderMap"></param>
public SpriteBorder(Texture2D tex, out SpriteBorder.BorderMap borderMap)
: this( tex )
{
borderMap = this.borderMap;
}
/// <summary>
///
/// </summary>
/// <param name="curPoint"></param>
/// <param name="prePoint"></param>
/// <param name="borderMap"></param>
public BorderBulidException(Point curPoint, Point prePoint, SpriteBorder.BorderMap borderMap)
{
this.curPoint = curPoint;
this.prePoint = prePoint;
this.borderMap = borderMap;
}
/// <summary>
///
/// </summary>
/// <param name="curPoint"></param>
/// <param name="prePoint"></param>
/// <param name="borderMap"></param>
public BorderBulidException ( Point curPoint, Point prePoint, SpriteBorder.BorderMap borderMap )
{
this.curPoint = curPoint;
this.prePoint = prePoint;
this.borderMap = borderMap;
}