- (CGRect)thumbRectForBounds:(CGRect)bounds trackRect:(CGRect)rect value:(float)value
{
//y轴方向改变手势范围
rect.origin.y = rect.origin.y -10;
rect.size.height = rect.size.height + 20;
returnCGRectInset ([superthumbRectForBounds:bounds trackRect:rectvalue:value], 10 ,10);
}
将会增加Y轴方向thumbImage的触控范围