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  • HaruDoc::loadPNG()

    (PECL haru >= 0.0.1)

    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$deferredparameter 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

    • HaruDoc::loadJPEG() Load a JPEG image
    • HaruDoc::loadRAW() Load a RAW image