UserPalette

Represents an UserPalette class which can be used to specify a color palette.

public class UserPalette : Palette
Public Class UserPalette
    Inherits Palette

Inheritance: ObjectPaletteUserPalette

Licensing Info

This class is a DynamicPDF Rasterizer feature. One of the following is required for non-evaluation usage:

Examples

This example demonstrates how to rasterize a PDF document to PNG image with a user palette.

Imports System
Imports ceTe.DynamicPDF.Rasterizer

Module MyModule

    Sub Main()

        ' Create a PdfRasterizer object.
        Dim rasterizer As PdfRasterizer = New PdfRasterizer("InputPdfFile.pdf")	

        Dim pngIndexedColorFormat As PngIndexedColorFormat  = New PngIndexedColorFormat(ImageFormat.DefaultColorPalette,100,DitheringAlgorithm.FloydSteinberg)
		
        Dim color() As ceTe.DynamicPDF.Rasterizer.Color = New ceTe.DynamicPDF.Rasterizer.Color() {ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 0, 0, 0), ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 255, 255, 255), ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 255, 0, 0), ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 0, 255, 0), ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 0, 0, 255), ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 255, 255, 0), ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255, 0, 255, 255)}
        Dim userpalette As UserPalette  = New UserPalette(color)

        ' Set a user selected color palette.
        pngIndexedColorFormat.ColorPalette = userpalette

        Dim pngImageFormat As PngImageFormat  = New PngImageFormat(pngIndexedColorFormat)		

        ' Save the image.
        rasterizer.Draw("Output.png", pngImageFormat, ImageSize.Dpi72)

    End Sub
End Module
using System;
using ceTe.DynamicPDF.Rasterizer;

class MyClass
{
    static void Main(string[] args)
    {
        // Create a PdfRasterizer object.
        PdfRasterizer rasterizer = new PdfRasterizer("InputPdfFile.pdf");

        PngIndexedColorFormat pngIndexedColorFormat = new PngIndexedColorFormat(ImageFormat.DefaultColorPalette,100,DitheringAlgorithm.FloydSteinberg);

        ceTe.DynamicPDF.Rasterizer.Color[] color = new ceTe.DynamicPDF.Rasterizer.Color[] { ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,0,0,0),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,255,255,255),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,255,0,0),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,0,255,0),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,0,0,255),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,255,255,0),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,0,255,255),ceTe.DynamicPDF.Rasterizer.Color.FromArgb(255,255,0,255)};
        UserPalette userpalette = new UserPalette(color);

        // Set a user selected color palette.
        pngIndexedColorFormat.ColorPalette = userpalette;

        PngImageFormat pngImageFormat = new PngImageFormat(pngIndexedColorFormat);

        // Save the image.
        rasterizer.Draw("Output.png", pngImageFormat, ImageSize.Dpi72);
    }
}

Constructors

UserPalette(Color[])Initializes a new instance of the UserPalette class.

Properties

Item[Int32]Gets or sets color at specific index.

Methods

Equals(Object)Determines whether the specified Object is equal to the current Object .
(Inherited from Object)
GetHashCode()Serves as a hash function for a particular type.
(Inherited from Object)
GetType()Gets the Type of the current instance.
(Inherited from Object)
ToString()Returns a String that represents the current Object .
(Inherited from Object)

See Also

ceTe.DynamicPDF.Rasterizer

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