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# HaruDoc::setCompressionMode

(no version information, might be only in CVS)

HaruDoc::setCompressionMode -- Set compression mode for the document

## 说明

bool HaruDoc::setCompressionMode ( int mode )

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

Throws HaruException on error.

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