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Leadtools.Codecs Namespace > Classes > RasterCodecs > Methods > ConvertAsync Method > ConvertAsync(ILeadStream,ILeadStream,RasterImageFormat,Int32,Int32,Int32,CodecsImageInfo) Method
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ConvertAsync(ILeadStream,ILeadStream,RasterImageFormat,Int32,Int32,Int32,CodecsImageInfo) Method
Summary
Converts an image stream from one format to another, creating a new image file in a stream in the new format.
Syntax
public IAsyncAction ConvertAsync(ILeadStream srcStream,ILeadStream destStream,Leadtools.RasterImageFormat format,int width,int height,int bitsPerPixel,Leadtools.Codecs.CodecsImageInfo info)
Public Overloads Function ConvertAsync( _ByVal srcStream As ILeadStream, _ByVal destStream As ILeadStream, _ByVal format As Leadtools.RasterImageFormat, _ByVal width As Integer, _ByVal height As Integer, _ByVal bitsPerPixel As Integer, _ByVal info As Leadtools.Codecs.CodecsImageInfo _) As IAsyncAction
public IAsyncAction ConvertAsync(ILeadStream srcStream,ILeadStream destStream,Leadtools.RasterImageFormat format,int width,int height,int bitsPerPixel,Leadtools.Codecs.CodecsImageInfo info)
function Leadtools.Codecs.RasterCodecs.ConvertAsync(ILeadStream,ILeadStream,RasterImageFormat,Int32,Int32,Int32,CodecsImageInfo)(srcStream ,destStream ,format ,width ,height ,bitsPerPixel ,info)
public:IAsyncAction^ ConvertAsync(ILeadStream^ srcStream,ILeadStream^ destStream,Leadtools.RasterImageFormat format,int width,int height,int bitsPerPixel,Leadtools.Codecs.CodecsImageInfo^ info)
Parameters
srcStream
A ILeadStream containing the data of the input image file.
destStream
A ILeadStream that will contain the data of the output image file.
format
The output file format. For valid values, refer to Summary of All Supported Image File Formats.
width
New width of the output image. If this value is not 0, then the output file will be resized to the width value. Use a value of 0 if you do not wish to resize the output file.
height
New height of the output image. If this value is not 0, then the output file will be resized to the height value. Use a value of 0 if you do not wish to resize the output file.
bitsPerPixel
The output image pixel depth. Note that not all bits per pixel are available to all file formats.
info
A CodecsImageInfo object specifying more options for the conversion.
Return Value
An asynchronous convert operation on a RasterCodecs object.
Remarks
If you convert to a lower bits-per-pixel format, this method optimizes the colors automatically. For example, when converting a 24-bit file (16 million colors) to an 8-bit file (256 colors) this method selects the best 256 colors to represent the 24-bit image
Note that this is a high-level method that does conversion from all possible formats to all possible formats.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Codecs Assembly
