可以对选取图像某一区域，进行颜色的滤镜效果；并能.移动滤镜效果的区域。 包括：马赛克，蓝光透镜和素描三种效果(It can filter the effect of color in a certain area of the selected image, and it can also move the area of the filter effect. It includes: mosaic, blue light lens and sketch three effects.)