Foxit PDF SDK
com.foxit.sdk.addon.optimization.ImageCompressionCallback Class Reference

Public Member Functions

StreamCallback getTemporaryFileStream (Bitmap bitmap)
 Get temporary file stream. The file stream is used for saving the encoding result of JPEG2000 and JBIG2 temporarily.
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void release ()
 A callback function used to release current callback object itself.
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Detailed Description

This class represent a callback object used during the process to optimizie PDF document. All the pure virtual functions in this class are used as callback functions and should be implemented by user.

Member Function Documentation

◆ getTemporaryFileStream()

StreamCallback com.foxit.sdk.addon.optimization.ImageCompressionCallback.getTemporaryFileStream ( Bitmap  bitmap)

Get temporary file stream. The file stream is used for saving the encoding result of JPEG2000 and JBIG2 temporarily.

Parameters
[in]bitmapA bitmap object need to be encoded.
Returns
A com.foxit.sdk.common.fxcrt.StreamCallback object which is implemented by user. This callback would be used to save image data. Foxit PDF SDK will call the callback function com.foxit.sdk.common.fxcrt.StreamCallback.release of the returned stream object when it is no longer needed.

◆ release()

void com.foxit.sdk.addon.optimization.ImageCompressionCallback.release ( )

A callback function used to release current callback object itself.

Returns
None.