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TwainJpegCompression Structure Members
Summary
The following tables list the members exposed by TwainJpegCompression.
Public Methods
| Name | Description | |
|---|---|---|
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GetHuffmanAC | Gets AC Huffman tables. |
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GetHuffmanDC | Gets DC Huffman tables. |
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GetHuffmanMap | Gets mapping of components to Huffman tables. |
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GetQuantizationMap | Gets information about the mapping of components to quantization tables. |
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GetQuantizationTable | Gets quantization tables. |
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SetHuffmanAC | Sets AC Huffman tables. |
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SetHuffmanDC | Sets DC Huffman tables. |
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SetHuffmanMap | Sets mapping of components to Huffman tables. |
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SetQuantizationMap | Sets mapping of components to quantization tables. |
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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. |
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ColorScheme | Gets or sets color space values. |
 |
Empty | Returns a TwainFileSystem structure with default values. |
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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. |
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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. |
