var imgBoxInner = new cc.Node('imgBoxInner');

var mask = imgBoxInner.addComponent(cc.Mask);

mask.alphaThreshold = 0.1; 

var newframe = new cc.SpriteFrame(texture);

mask.spriteFrame = newframe;

mask.type = cc.Mask.Type.IMAGE_STENCIL;

var sf = mask.spriteFrame;

//距离上下左右

sf.insetLeft = 100;

sf.insetTop = 196;

sf.insetRight = 100;

sf.insetBottom = 196;