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Leadtools TWAIN (Leadtools.Twain assembly)

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TwainJpegCompression Structure Members

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Properties  Methods 





The following tables list the members exposed by TwainJpegCompression.

Public Properties
 NameDescription
ColorComponentCountGets 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.  
ColorSchemeGets or sets color space values.  
EmptyReturns a TwainFileSystem structure with default values.  
RestartFrequencyGets 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.  
SubSamplingGets 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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Public Methods
 NameDescription
GetHuffmanACGets AC Huffman tables.  
GetHuffmanDCGets DC Huffman tables.  
GetHuffmanMapGets mapping of components to Huffman tables.  
GetQuantizationMapGets information about the mapping of components to quantization tables.  
GetQuantizationTableGets quantization tables.  
SetHuffmanACSets AC Huffman tables.  
SetHuffmanDCSets DC Huffman tables.  
SetHuffmanMapSets mapping of components to Huffman tables.  
SetQuantizationMapSets mapping of components to quantization tables.  
SetQuantizationTableSets quantization tables.  
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See Also

Reference

TwainJpegCompression Structure
Leadtools.Twain Namespace
GetJpegCompression Method
SetJpegCompression Method

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