hello,
this pdf file created with Adobe InDesign, alot of elements are missing, also wrong color are displaying:
http://tal-ram.co.il/images/products/orders/14265798291.pdf

![viewer](https://cloud.githubusercontent.com/assets/1198143/6713275/f88ae242-cd99-11e4-8202-fdb5dc4b132e.png)

![org](https://cloud.githubusercontent.com/assets/1198143/6713312/24d83ff2-cd9a-11e4-82e7-647ad5440a64.png)

const groupCtx = this.ctx;
    this.groupLevel--;
    this.ctx = this.groupStack.pop();
    composeSMask(this.ctx, this.current.activeSMask, groupCtx);
    this.ctx.restore();
    this.ctx.save(); 
    copyCtxState(groupCtx, this.ctx);
    
    this.current.resumeSMaskCtx = groupCtx;
    
    
    const deltaTransform = Util.transform(
      this.current.activeSMask.startTransformInverse,
      groupCtx.mozCurrentTransform
    );
    this.ctx.transform.apply(this.ctx, deltaTransform);
    
    groupCtx.save();
    groupCtx.setTransform(1, 0, 0, 1, 0, 0);
    groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
    groupCtx.restore();
  }
  resumeSMaskGroup() {