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Leadtools.Codecs Namespace > Classes > CodecsJpeg2000SaveOptions > Properties > AlphaChannelActiveBits Property
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AlphaChannelActiveBits Property
Summary
Gets or sets a value indicating the active bits for the alpha channel.
Syntax
public int AlphaChannelActiveBits {get; set;} Public Property AlphaChannelActiveBits As Integer public int AlphaChannelActiveBits {get; set;} @property (nonatomic, assign) NSUInteger alphaChannelActiveBits public int getAlphaChannelActiveBits()public void setAlphaChannelActiveBits(int value)
get_AlphaChannelActiveBits();set_AlphaChannelActiveBits(value);Object.defineProperty('AlphaChannelActiveBits');
Property Value
The active bits for the alpha channel. Possible values are 1 and 8. If the value is 1 it means the 256 levels of the 8-bit alpha channels will be transformed into two levels of value 255 or 0, using simple threshold. The threshold value is 127, so all values gt; 127 will be set to 255 and all values lt;= 127 will be set to 0. If the value is 8, all 256 levels of the 8-bit alpha channels will be compressed. This is the default value. This option should be used on a 32-bit bitmap: otherwise, it has no effect.
Example
For an example, refer to CodecsJpeg2000Options.
Requirements
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