enum acldvppBorderType { BORDER_CONSTANT = 0, //添加有颜色的常数值边界 BORDER_REPLICATE, //重复最后一个元素。举例: aaaaaa|abcdefgh|hhhhhhh BORDER_REFLECT, //边界元素的镜像。举例:cba|abcde-fgh|hgf BORDER_REFLECT_101 //边界元素的镜像。举例:cba|abcde-fgh|gf };