TwainJpegCompression Structure Members

Summary

The following tables list the members exposed by TwainJpegCompression.

	Name	Description
	GetHuffmanAC	Gets AC Huffman tables.
	GetHuffmanDC	Gets DC Huffman tables.
	GetHuffmanMap	Gets mapping of components to Huffman tables.
	GetQuantizationMap	Gets information about the mapping of components to quantization tables.
	GetQuantizationTable	Gets quantization tables.
	SetHuffmanAC	Sets AC Huffman tables.
	SetHuffmanDC	Sets DC Huffman tables.
	SetHuffmanMap	Sets mapping of components to Huffman tables.
	SetQuantizationMap	Sets mapping of components to quantization tables.
	SetQuantizationTable	Sets quantization tables.

	Name	Description
	ColorComponentCount	Gets or sets the number of color components in the image to be compressed. This property is updated by calling the GetJpegCompression method. To set the JPEG Compression options, set this property and the other TwainJpegCompression properties and call the SetJpegCompression method.
	ColorScheme	Gets or sets color space values.
	Empty	Returns a TwainFileSystem structure with default values.
	RestartFrequency	Gets or sets the number of minimum data units between restart markers. The default value is 0, indicating that no restart markers are used. This property is updated by calling the GetJpegCompression method. To set the JPEG Compression options, set this property and the other TwainJpegCompression properties and call the SetJpegCompression method.
	SubSampling	Gets or sets a subsampling value. This property is updated by calling the GetJpegCompression method. To set the JPEG Compression options, set this property and the other TwainJpegCompression properties and call the SetJpegCompression method.