HaruDoc::loadPNG
(PECL haru:0.0.1)
HaruDoc::loadPNG — Load PNG image and return HaruImage instance
说明
object HaruDoc::loadPNG
( string $filename
[, bool $deferred
] )
Loads PNG image and returns HaruImage instance. You can set deferred parameter to TRUE for deferred data loading, in this case only size and color are loaded immediately. Default value of deferred is FALSE.
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. Defaults to FALSE.
错误／异常
Throws HaruException on error.
