HaruDoc::loadPNG

(PECL haru >= 0.0.1)

HaruDoc::loadPNG — Load PNG image and return HaruImage instance

说明

HaruDoc::loadPNG ( string $filename [, bool $deferred = FALSE ] ) : object

Loads a PNG image.

Libharu might be built without libpng support, in this case each call to this function would result in exception.

参数

filename

The name of a PNG image file.

deferred

Do not load data immediately. You can set deferred parameter to TRUE for deferred data loading, in this case only size and color are loaded immediately.

返回值

Returns a HaruImage instance.

错误／异常

发生错误时抛出 HaruException 异常。

参见