NativeEncodeJpg Method (NImageService)

In This Topic

Encodes a raster into JPEG image format, using the image encoding capabilities of the underlying platform. Must be implemented in the image service of a platform host.

Syntax

Visual Basic
C#

'Declaration
 
Protected MustOverride Function NativeEncodeJpg( _
   ByVal raster As NRaster, _
   ByVal settings As NJpegEncoderSettings _
) As System.Byte()

'Usage
 
Dim instance As NImageService
Dim raster As NRaster
Dim settings As NJpegEncoderSettings
Dim value() As System.Byte
 
value = instance.NativeEncodeJpg(raster, settings)

protected abstract System.byte[] NativeEncodeJpg( 
   NRaster raster,
   NJpegEncoderSettings settings
)

Parameters

raster: The raster to be encoded.
settings: JPEG encoder settings.

Return Value

A byte array containing the encoded image data. Returns null if the encoding fails.

Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

Reference

NImageService Class
NImageService Members

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