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Leadtools.Codecs Namespace > Classes > RasterCodecs > Methods > Decompress Method > Decompress(Object,IBuffer,Int32,Int32,Int32,Int32,Int32,Int32,CodecsDecompressDataFlags) Method
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Decompress(Object,IBuffer,Int32,Int32,Int32,Int32,Int32,Int32,CodecsDecompressDataFlags) Method
Summary
Called for each unmanaged memory buffer, strip or tile of decompressed data.
Syntax
public void Decompress(object decompressContext,IBuffer data,int dataOffset,int dataLength,int width,int height,int row,int column,Leadtools.Codecs.CodecsDecompressDataFlags flags)
Public Overloads Sub Decompress( _ByVal decompressContext As Object, _ByVal data As IBuffer, _ByVal dataOffset As Integer, _ByVal dataLength As Integer, _ByVal width As Integer, _ByVal height As Integer, _ByVal row As Integer, _ByVal column As Integer, _ByVal flags As Leadtools.Codecs.CodecsDecompressDataFlags _)
public void Decompress(object decompressContext,IBuffer data,int dataOffset,int dataLength,int width,int height,int row,int column,Leadtools.Codecs.CodecsDecompressDataFlags flags)
function Leadtools.Codecs.RasterCodecs.Decompress(Object,IBuffer,Int32,Int32,Int32,Int32,Int32,Int32,CodecsDecompressDataFlags)(decompressContext ,data ,dataOffset ,dataLength ,width ,height ,row ,column ,flags)
public:void Decompress(Object^ decompressContext,IBuffer^ data,int dataOffset,int dataLength,int width,int height,int row,int column,Leadtools.Codecs.CodecsDecompressDataFlags flags)
Parameters
decompressContext
The decompressing context object obtained through StartDecompress.
data
A pointer to an unmanaged memory buffer that contains the raw compressed data.
dataOffset
Offset of the strip referenced by data, This is usually zero.
dataLength
Number of bytes in data.
width
Width of the uncompressed strip or tile, in bytes
height
Height of the uncompressed strip or tile, in bytes. If the image consists of a single compressed strip, as with TWAIN, this is the height of the image.
row
Row offset of the tile or strip.
column
Column offset of the tile or strip.
flags
Flags that indicate which part of a strip or tile is being processed. Possible values are:
| Value | Meaning |
|---|---|
| CodecsDecompressDataFlags.Start | Processing the beginning of a tile or strip |
| CodecsDecompressDataFlags.End | Processing the end of a tile or strip |
| CodecsDecompressDataFlags.Complete | Process a complete tile or strip. This is the same as CodecsDecompressDataFlags.Start | CodecsDecompressDataFlags.End |
Remarks
Note that you must call the StartDecompress method before using this method, and you must call the StopDecompress method to end the decompression process.
If data does not point to a full tile or strip, set flags to CodecsDecompressDataFlags.Start when the tile/strip begins and set it to CodecsDecompressDataFlags.End when the tile/strip ends.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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