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:
- An active DynamicPDF Subscription
- An active DynamicPDF Professional or Professional Plus Subscription with DynamicPDF Rasterizer selected.
- A DynamicPDF Rasterizer for .NET v4.X Developer license.
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) |