(PECL haru >= 0.0.1)
HaruDestination::setFitBH — Set the appearance of the page to fit the width of the bounding box
Defines the appearance of the page to magnifying to fit the width of the bounding box and setting the top position of the page to the value of top.
The top coordinates of the page.
Returns TRUE on success.
发生错误时抛出 HaruException 异常。