(PECL haru >= 0.0.1)
HaruPage::createTextAnnotation — Create new HaruAnnotation instance
$rectangle
, string $text
[, object $encoder
] ) : objectCreates a new HaruAnnotation instance.
rectangleAn array with 4 coordinates of the annotation area.
textThe text to be displayed.
encoderOptional HaruEncoder instance.
Returns a new HaruAnnotation instance.
发生错误时抛出 HaruException 异常。