PngReduce(ImagXpress,Byte[],Byte[]) Method

Compress a PNG to optimal size while maintaining lossless fidelity to the input image. The reduction is achieved by removing select pieces of metadata and other possible color and/or transparency reductions.

Syntax

Visual Basic
C#
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Overloads Shared Sub PngReduce( _
   ByVal imagXpress As ImagXpress, _
   ByVal inputPngData() As Byte, _
   ByRef outputPngData As Byte() _
)

'Usage
 
Dim imagXpress As ImagXpress
Dim inputPngData() As Byte
Dim outputPngData As Byte()
 
ImageReduce.PngReduce(imagXpress, inputPngData, outputPngData)

public static void PngReduce( 
   ImagXpress imagXpress,
   byte[] inputPngData,
   out byte[] outputPngData
)

public: static void PngReduce( 
   ImagXpress* imagXpress,
   byte[]* inputPngData,
   [PARAMFLAG::Out] byte[] outputPngData
)

public:
static void PngReduce( 
   ImagXpress^ imagXpress,
   array<byte>^ inputPngData,
   [Out] array<byte> outputPngData
)

Parameters

imagXpress: An instance of the ImagXpress workspace component. This is the main ImagXpress component that typically must be dragged onto a form first.
inputPngData: The buffer holding the input PNG file.
outputPngData: The buffer holding the output PNG file.

Exceptions

Exception	Description
System.ArgumentNullException	Thrown when imagXpress is null.
System.ArgumentNullException	Thrown when outputPngData is null.
ImagXpressException	Thrown when imagXpress is not licensed for this feature.
ImagXpressException	Thrown when inputPngData refers to a damaged or incomplete PNG.

Reference

ImageReduce Class
ImageReduce Members
Overload List