gistfile1.m

- (void)drawRect:(CGRect)rect
{
    CGRect f = [self frame];
    CGContextRef ctx = UIGraphicsGetCurrentContext();
    CGContextSetFillColorWithColor(ctx, [UIColor clearColor].CGColor);
    CGContextFillRect(ctx, rect);
    CGContextScaleCTM(ctx, 1.3, 1.3);
    CGContextTranslateCTM(ctx, -f.origin.x, -f.origin.y+80);

    if (self.superview) 
    {    
        [self.superview.layer renderInContext:ctx];     
    }
}