DTWAIN_SetCompressionType
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The DTWAIN_SetCompressionType function sets the compression method used when a buffered image transfer is done.
DTWAIN_BOOL DTWAIN_SetCompressionType (
Parameters Source An open TWAIN Source.
Compression Compression type to use when a buffered method transfer is performed.
bSetCurrent Indicates whether to set the current or default compression type.
Return Values The return value is TRUE if successful. Otherwise FALSE is returned.
Comments The DTWAIN_SetCompressionType function sets the Source Source current or default compression setting. The compression setting is used when a call to DTWAIN_AcquireBuffered is invoked.
If bSetCurrent is TRUE, the compression Compression is used as the current compression value. If bSetCurrent is FALSE, the Compression argument is ignored and the default compression is used. See DTWAIN Compression Constants for a list of the various compression modes.
TWAIN State Transitions The Source must be in State 4. or higher
Prerequisite Function Call(s)
DTWAIN Source Selection Function
See Also |