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ImageOptimizerDirectoryData Class
See Also  Members   Example 
Leadtools.ImageOptimization Namespace : ImageOptimizerDirectoryData Class




Provides data for the ImageOptimizerDirectory callback method.

Object Model


Syntax

Visual Basic (Declaration) 
Public Class ImageOptimizerDirectoryData
Visual Basic (Usage)Copy Code
Dim instance As ImageOptimizerDirectoryData
C# 
public class ImageOptimizerDirectoryData
Managed Extensions for C++ 
public __gc class ImageOptimizerDirectoryData
C++/CLI 
public ref class ImageOptimizerDirectoryData

Example

This example will optimize all Jpg files found in a specific directory, and save them into a separate folder

Visual BasicCopy Code
Private _imageNo As Integer

Public Sub TestDirImageOptimizer()
   _imageNo = 0

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

   ' The input and output directories
   Dim inputDirectory As String = "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images"
   Dim outputDirectory As String = "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\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.
   RasterCodecs.Shutdown()
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
C#Copy Code
int _imageNo; 
 
public void TestDirImageOptimizer( ) 
{ 
   _imageNo = 0; 
 
   // Initialize the RasterCodecs class 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   // The input and output directories 
   string inputDirectory = @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images"; 
   string outputDirectory = @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\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. 
   RasterCodecs.Shutdown(); 
} 
 
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; 
}

Inheritance Hierarchy

System.Object
   Leadtools.ImageOptimization.ImageOptimizerDirectoryData

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also