PDFOptimizerOptions Class

Summary

The PDFOptimizerOptions class provides options for controlling the PDFFile optimizer.

Syntax

C++

Java

[SerializableAttribute()] 
public class PDFOptimizerOptions

<SerializableAttribute()> 
Public Class PDFOptimizerOptions

public class PDFOptimizerOptions

[SerializableAttribute()] 
public ref class PDFOptimizerOptions

Remarks

Use the PDFOptimizerOptions class to specify options that control the PDFFile optimizer when calling Optimize.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Drawing; 
using Leadtools.ImageProcessing; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
using Leadtools.WinForms; 
 
 
public void PDFFileOptimizerOptionsExample() 
{ 
   string sourceFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
   string destinationFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_OptimizerOptions.pdf"); 
 
   PDFFile pdfFile = new PDFFile(sourceFileName); 
 
   PDFOptimizerOptions myOptimizerOptions = new PDFOptimizerOptions(); 
   myOptimizerOptions.AutoOptimizerMode = PDFAutoOptimizerMode.Customized; 
 
   myOptimizerOptions.ColorImageDownsamplingMode = PDFDownsamplingMode.Average; 
   myOptimizerOptions.GrayImageDownsamplingMode = PDFDownsamplingMode.Bicubic; 
   myOptimizerOptions.MonoImageDownsamplingMode = PDFDownsamplingMode.Bicubic; 
 
   myOptimizerOptions.ColorImageDownsampleFactor = 2.0; 
   myOptimizerOptions.GrayImageDownsampleFactor = 2.0; 
   myOptimizerOptions.MonoImageDownsampleFactor = 2.0; 
 
   myOptimizerOptions.ColorImageDPI = 150; 
   myOptimizerOptions.GrayImageDPI = 150; 
   myOptimizerOptions.MonoImageDPI = 150; 
 
   // To determine the accepted compresion value for ColorImageCompression, GrayImageCompression and MonoImageCompression 
   // uncomment the necessary code below: 
   // 
   // ColorImageCompression 
   // RasterImageFormat[] grayImageFormatAcceptedCompresion = PDFOptimizerOptions.SupportedGrayImageFormats; 
   // 
   // GrayImageCompression 
   // RasterImageFormat[] colorImageFormatAcceptedCompresion = PDFOptimizerOptions.SupportedColorImageFormats; 
   // 
   // MonoImageCompression 
   // RasterImageFormat[] monoImageFormatAcceptedCompresion = PDFOptimizerOptions.SupportedMonoImageFormats; 
 
   myOptimizerOptions.ColorImageCompression = RasterImageFormat.Jpeg; 
   myOptimizerOptions.GrayImageCompression = RasterImageFormat.Jpeg; 
   myOptimizerOptions.MonoImageCompression = RasterImageFormat.Jbig2; 
 
   myOptimizerOptions.EmbedAllFonts = false; 
   myOptimizerOptions.SubsetFonts = true; 
 
   pdfFile.OptimizerOptions = myOptimizerOptions; 
 
   pdfFile.Convert(1, -1, destinationFileName); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Pdf 
Imports Leadtools.WinForms 
Imports Leadtools.Svg 
Imports Leadtools.ImageProcessing 
 
Public Sub PDFFileOptimizerOptionsExample() 
   Dim sourceFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Leadtools.pdf") 
   Dim destinationFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "LEAD_OptimizerOptions.pdf") 
 
   Dim pdfFile As PDFFile = New PDFFile(sourceFileName) 
 
   Dim myOptimizerOptions As PDFOptimizerOptions = New PDFOptimizerOptions() 
   myOptimizerOptions.AutoOptimizerMode = PDFAutoOptimizerMode.Customized 
 
   myOptimizerOptions.ColorImageDownsamplingMode = PDFDownsamplingMode.Average 
   myOptimizerOptions.GrayImageDownsamplingMode = PDFDownsamplingMode.Bicubic 
   myOptimizerOptions.MonoImageDownsamplingMode = PDFDownsamplingMode.Bicubic 
 
   myOptimizerOptions.ColorImageDownsampleFactor = 2.0 
   myOptimizerOptions.GrayImageDownsampleFactor = 2.0 
   myOptimizerOptions.MonoImageDownsampleFactor = 2.0 
 
   myOptimizerOptions.ColorImageDPI = 150 
   myOptimizerOptions.GrayImageDPI = 150 
   myOptimizerOptions.MonoImageDPI = 150 
 
   ''' To determine the accepted compresion value for ColorImageCompression, GrayImageCompression And MonoImageCompression 
   ''' uncomment the necessary code below: 
   ''' 
   ''' ColorImageCompression 
   ''' RasterImageFormat[] grayImageFormatAcceptedCompresion = PDFOptimizerOptions.SupportedGrayImageFormats; 
   ''' 
   ''' GrayImageCompression 
   ''' RasterImageFormat[] colorImageFormatAcceptedCompresion = PDFOptimizerOptions.SupportedColorImageFormats; 
   ''' 
   ''' MonoImageCompression 
   ''' RasterImageFormat[] monoImageFormatAcceptedCompresion = PDFOptimizerOptions.SupportedMonoImageFormats; 
 
   myOptimizerOptions.ColorImageCompression = RasterImageFormat.Jpeg 
   myOptimizerOptions.GrayImageCompression = RasterImageFormat.Jpeg 
   myOptimizerOptions.MonoImageCompression = RasterImageFormat.Jbig2 
 
   myOptimizerOptions.EmbedAllFonts = False 
   myOptimizerOptions.SubsetFonts = True 
 
   pdfFile.OptimizerOptions = myOptimizerOptions 
 
   pdfFile.Convert(1, -1, destinationFileName) 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class

Requirements

Target Platforms

Reference

PDFOptimizerOptions Members

Leadtools.Pdf Namespace

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Help Version 21.0.2021.7.6

Leadtools.Pdf Assembly

Introduction

Getting Started

Namespaces

Leadtools.Pdf Namespace

Assemblies