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TwainJpegCompression Structure Members

Summary

The following tables list the members exposed by TwainJpegCompression.

Public Methods

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.

Public Properties

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.
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