LEADTOOLS Image Processing (Leadtools.ImageOptimization assembly)

ImageOptimizerDirectoryData Class

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Example 





Members 
Provides data for the ImageOptimizerDirectory callback method.
Object Model
Syntax
public class ImageOptimizerDirectoryData 
'Declaration
 
Public Class ImageOptimizerDirectoryData 
'Usage
 
Dim instance As ImageOptimizerDirectoryData

            

            
public ref class ImageOptimizerDirectoryData 
Example
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Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageOptimization
Imports Leadtools.Support.Examples

Private _imageNo As Integer

Public Sub TestDirImageOptimizer()
   _imageNo = 0

   ' Initialize the RasterCodecs class
   Dim codecs As RasterCodecs = New RasterCodecs()

   ' The input and output directories
   Dim inputDirectory As String = LEAD_VARS.ImagesDir
   Dim outputDirectory As String = Path.Combine(LEAD_VARS.ImagesDir, "OptimizedImages")

   ' Initialize a new Optimizer object
   Dim optimizer As ImageOptimizer = New ImageOptimizer()

   ' Optimization Options
   Dim options As ImageOptimizerOptions = ImageOptimizerOptions.Default

   optimizer.OptimizeDirectory(codecs, _
      inputDirectory, _
      outputDirectory, _
      options, _
      "*.jpg", _
      False, _
      AddressOf ImageOptimizerDirectory)

   'shutdown the RasterCodecs class.
End Sub

Public Function ImageOptimizerDirectory(ByVal data As ImageOptimizerDirectoryData) As Boolean
   Console.WriteLine(String.Format("File Percent = {0}%,    Total Percent = {1}%", data.FilePercent, data.TotalPercent))

   If (_imageNo = data.TotalFolderFilesCount) Then

      ' Operation Done.
      Console.WriteLine("Optimization Operation Completed Successfully")
      Return True

   ElseIf (data.Status = ImageOptimizerDirectoryStatus.PreOptimizingImage) Then
      Dim text As String = String.Format("Optimizing Image {0} ?\n", data.InputFileName)
      Dim result As DialogResult = MessageBox.Show(text, "", MessageBoxButtons.YesNoCancel)

      If (result = DialogResult.Yes) Then
         ' Optimize the image using the default options.
         data.Options = ImageOptimizerOptions.Default
         Return True
      ElseIf (result = DialogResult.No) Then
         ' Skip this image.
         _imageNo += 1
         data.SkipImage = True
      Else
         ' Stop the whole operation.
         Return False
      End If
   ElseIf (data.FilePercent = 100) Then
      _imageNo += 1

      ' Displaying information about the optimized image.
      Dim msg As String = String.Format("Optimizing File ( {0} of {1} ) \n" + _
         "--------------------------------\n" + _
         "Source File Name = {2}\n" + _
         "Detination File Name = {3}\n" + _
         "No of Pages = {4}\n", _
         _imageNo, data.TotalFolderFilesCount, data.InputFileName, data.OutputFileName, data.ImageInfo.TotalPages)

      Console.WriteLine(msg)
   End If
   Return True
End Function

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageOptimization;

int _imageNo;

public void TestDirImageOptimizer( )
{
   _imageNo = 0;

   // Initialize the RasterCodecs class
   RasterCodecs codecs = new RasterCodecs();

   // The input and output directories
   string inputDirectory = LEAD_VARS.ImagesDir;
   string outputDirectory = Path.Combine(LEAD_VARS.ImagesDir, "OptimizedImages");

   // Initialize a new Optimizer object
   ImageOptimizer optimizer = new ImageOptimizer();

   // Optimization Options
   ImageOptimizerOptions options = ImageOptimizerOptions.Default;

   optimizer.OptimizeDirectory(codecs,
      inputDirectory,
      outputDirectory,
      options,
      "*.jpg",
      false,
      ImageOptimizerDirectory);

   //shutdown the RasterCodecs class.
}

bool ImageOptimizerDirectory(ImageOptimizerDirectoryData data)
{
   Console.WriteLine(string.Format("File Percent = {0}%,    Total Percent = {1}%", data.FilePercent, data.TotalPercent));

   if(_imageNo == data.TotalFolderFilesCount)
   {
      // Operation Done.
      Console.WriteLine("Optimization Operation Completed Successfully");
      return true;
   }
   else if(data.Status == ImageOptimizerDirectoryStatus.PreOptimizingImage)
   {
      string text = string.Format("Optimizing Image {0} ?\n", data.InputFileName);
      DialogResult result = MessageBox.Show(text, "", MessageBoxButtons.YesNoCancel);

      if(result == DialogResult.Yes)
      {
         // Optimize the image using the default options.
         data.Options = ImageOptimizerOptions.Default;
         return true;
      }
      else if(result == DialogResult.No)
      {
         // Skip this image.
         _imageNo++;
         data.SkipImage = true;
      }
      else
         // Stop the whole operation.
         return false;
   }
   else if(data.FilePercent == 100)
   {
      _imageNo++;

      // Displaying information about the optimized image.
      string msg = string.Format("Optimizing File ( {0} of {1} ) \n" +
         "--------------------------------\n" +
         "Source File Name = {2}\n" +
         "Detination File Name = {3}\n" +
         "No of Pages = {4}\n",
         _imageNo, data.TotalFolderFilesCount, data.InputFileName, data.OutputFileName, data.ImageInfo.TotalPages);

      Console.WriteLine(msg);
   }
   return true;
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Requirements

Target Platforms

See Also

Reference

ImageOptimizerDirectoryData Members
Leadtools.ImageOptimization Namespace