iOS makes a circular effect on a picture

The Cashapelayer can be used to make random geometry, as a uiimageview mask, to make the picture into a circular effect.

Imgview =  [[Uiimageview Alloc]initwithframe:cgrectmake (Ten, +, +)];    Imgview.image = [UIImage imagenamed:@ "ma.jpg"];    uibezierpath* path = [Uibezierpath bezierpathwitharccenter:cgpointmake (max.) radius:40 startangle:0 EndAngle:2*M_PI Clockwise:yes];    cashapelayer* shape = [Cashapelayer layer];    Shape.path = path. Cgpath;    ImgView.layer.mask = shape;    [Self.view Addsubview:imgview];

Here's a way to add:

[M_photo.layer setcornerradius:cgrectgetheight ([m_photo bounds])/2];//Set circle radius    m_photo.layer.masksToBounds = YES ;    m_photo.layer.borderWidth = 1;//set outer ring width    m_photo.layer.borderColor = [[Uicolor greencolor] cgcolor];//set outer ring color    M_photo.layer.contents = (ID) [[UIImage imagenamed:@ "Index.png"] cgimage];//settings picture

iOS makes a circular effect on a picture