JPEGSubsamplingMode Enumeration

In This Topic

Specifies which chroma subsampling mode will be used for image compression in JPEG images.

Syntax

'Declaration
 
<ComVisibleAttribute(True)>
Public Enum JPEGSubsamplingMode 
   Inherits System.Enum

[ComVisible(true)]
public enum JPEGSubsamplingMode : System.Enum

public enum JPEGSubsamplingMode = class(System.Enum)

ComVisibleAttribute()
public enum JPEGSubsamplingMode extends System.Enum

[ComVisible(true)]
__value public enum JPEGSubsamplingMode : public System.Enum

[ComVisible(true)]
public enum class JPEGSubsamplingMode : public System.Enum

Members

Member	Value	Description
Default	0	The default mode will be used.
Y4Cb1Cr1	4096	4:1:1 (4x1 1x1 1x1) chroma subsampling will be used. The horizontal color resolution is quartered.
Y4Cb2Cr0	16384	4:2:0 (2x2 1x1 1x1) chroma subsampling will be used. The chrominance resolution in both the horizontal and vertical directions is cut in half.
Y4Cb2Cr2	32768	4:2:2 (2x1 1x1 1x1) chroma subsampling will be used. Half of the horizontal resolution in the chrominance is dropped (Cb and Cr), while the full resolution is retained in the vertical direction, with respect to the luminance.
Y4Cb4Cr4	65536	4:4:4 (1x1 1x1 1x1) chroma subsampling will be used. The resolution of chrominance information (Cb and Cr) is preserved at the same rate as the luminance (Y) information.

Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         GdPicture14.JPEGSubsamplingMode

GdPicture.NET.14 (COM - ActiveX)~GdPicture14_namespace