ScannedImageCompression Enumeration

Option values which determine the compression format of an acquired image.

Syntax

'Declaration
 
Public Enum ScannedImageCompression 
   Inherits System.Enum

'Usage
 
Dim instance As ScannedImageCompression

public enum ScannedImageCompression : System.Enum

__value public enum ScannedImageCompression : public System.Enum

public enum class ScannedImageCompression : public System.Enum

Members

Member	Value	Description
TwcpGroup31D	2	Group 3 1D, follows CCITT spec (no End Of Line)
TwcpGroup31DEol	3	Group 3 1D, follows CCITT spec (has End Of Line)
TwcpGroup32D	4	Group 3 2D, follows CCITT spec (use cap for K Factor)
TwcpGroup4	5	Group 4, follows CCITT spec
TwcpJpeg	6	JPEG
TwcpNone	0	No compression
TwcpPackbits	1	Packbits

Remarks

TwcpNone means that the image is in an uncompressed DIB format and can be accessed through the ToHdib, ToBitmap, ToHbitmap, or SaveStream methods.

TwcpJpeg means that the image is in a JPEG format and should be accessed through the SaveStream method.

All other values mean that the image is in a TIFF format and should be accessed through the SaveStream method.

Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         Accusoft.TwainProSdk.ScannedImageCompression