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DTWAIN_IsCompressionSupported |
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The DTWAIN_IsCompressionSupported function checks if a Source supports setting the Compression of an acquired image.
DTWAIN_BOOL DTWAIN_IsCompressionSupported (
Parameters Source Specifies an open TWAIN Source.
Compression Specifies compression to test for support, or DTWAIN_ANYSUPPORT
Return Values If compressed support for buffered transfers is supported for the Source, TRUE is returned. Otherwise FALSE is returned.
Comments The DTWAIN_IsCompressionSupported function takes the open Source Source, and checks to see if the compression Compression is supported. The Compression value can be any one of the Compression constants. If Compression is DTWAIN_ANYSUPPORT, DTWAIN_IsCompressionSupported returns whether the Source supports any compression.
The compression can be used for DTWAIN_AcquireBuffered or DTWAIN_AcquireBufferedEx functions.
TWAIN State Transitions The source must be opened in State 4
Prerequisite Function Call(s)
DTWAIN Source Selection Function
See Also
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