HaruDoc::setCompressionMode()
(PECL haru >= 0.0.1)
Set compression mode for the document
说明
HaruDoc::setCompressionMode(int $mode): bool
Defines compression mode for the document. In case when libharu was compiled without Zlib support this function will always throw HaruException.
参数
- $mode
The compression mode to use. The value is a combination of the following flags:
HaruDoc::COMP_NONE
- all contents is not compressed.HaruDoc::COMP_TEXT
- compress the text data.HaruDoc::COMP_IMAGE
- compress the image data.HaruDoc::COMP_METADATA
- compress other data(fonts, cmaps).HaruDoc::COMP_ALL
- compress all data.
返回值
Returns TRUE
on success.
错误/异常
发生错误时抛出HaruException异常。