ColorResolutionCommandDataEventArgs Class

Provides data for the ColorResolutionCommand.Data event.

Object Model

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public class ColorResolutionCommandDataEventArgs : System.EventArgs

'Declaration
 
Public Class ColorResolutionCommandDataEventArgs 
   Inherits System.EventArgs

'Usage
 
Dim instance As ColorResolutionCommandDataEventArgs

public sealed class ColorResolutionCommandDataEventArgs : ~Remove~

function Leadtools.ImageProcessing.ColorResolutionCommandDataEventArgs()

public ref class ColorResolutionCommandDataEventArgs : public System.EventArgs

Example

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub ColorResolutionCommandDataEventArgsExample()
      Dim codecs As RasterCodecs = New RasterCodecs()

      Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
      Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_colorresData.bmp")

      ' Load the source image from disk
      Dim srcImage As RasterImage = codecs.Load(srcFileName)

      ' Create the destination image
      _row = 0
      _destImage = New RasterImage(RasterMemoryFlags.Conventional, srcImage.Width, srcImage.Height, 1, RasterByteOrder.Rgb, RasterViewPerspective.TopLeft, Nothing, IntPtr.Zero, 0)

      ' Color-res the image to 1 bits/pixel, we will save the data ourselves into
      ' the destination image
      Dim command As ColorResolutionCommand = New ColorResolutionCommand()
      command.BitsPerPixel = 1
      command.DitheringMethod = RasterDitheringMethod.FloydStein
      AddHandler command.Data, AddressOf command_Data
      command.Run(srcImage)
      RemoveHandler command.Data, AddressOf command_Data

      ' Save it to disk
      codecs.Save(_destImage, destFileName, RasterImageFormat.Bmp, 4)
      _destImage.Dispose()

      ' Clean Up
      srcImage.Dispose()
   End Sub

   Private _destImage As RasterImage
   Private _row As Integer

   Private Sub command_Data(ByVal sender As Object, ByVal e As ColorResolutionCommandDataEventArgs)
      ' Set the data into the destination image
      _destImage.SetRow(_row, e.Data, _destImage.BytesPerLine * e.Lines)
      _row += e.Lines

      ' If you want the data in a managed buffer,
      ' you can do this
      ' byte[] data = new byte[_destImage.BytesPerLine * e.Lines];
      ' System.Runtime.InteropServices.Marshal.Copy(e.Data, data, 0, data.Length);
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void ColorResolutionCommandDataEventArgsExample()
   {
      RasterCodecs codecs = new RasterCodecs();

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
      string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_colorresData.bmp");

      // Load the source image from disk
      RasterImage srcImage = codecs.Load(srcFileName);

      // Create the destination image
      _row = 0;
      _destImage = new RasterImage(
         RasterMemoryFlags.Conventional,
         srcImage.Width,
         srcImage.Height,
         1,
         RasterByteOrder.Rgb,
         RasterViewPerspective.TopLeft,
         null,
         IntPtr.Zero,
         0);

      // Color-res the image to 1 bits/pixel, we will save the data ourselves into
      // the destination image
      ColorResolutionCommand command = new ColorResolutionCommand();
      command.BitsPerPixel = 1;
      command.DitheringMethod = RasterDitheringMethod.FloydStein;
      command.Data += new EventHandler<ColorResolutionCommandDataEventArgs>(command_Data);
      command.Run(srcImage);
      command.Data -= new EventHandler<ColorResolutionCommandDataEventArgs>(command_Data);

      // Save it to disk
      codecs.Save(_destImage, destFileName, RasterImageFormat.Bmp, 4);
      _destImage.Dispose();

      // Clean Up
      srcImage.Dispose();
   }

   RasterImage _destImage;
   int _row;

   void command_Data(object sender, ColorResolutionCommandDataEventArgs e)
   {
      // Set the data into the destination image
      _destImage.SetRow(_row, e.Data, _destImage.BytesPerLine * e.Lines);
      _row += e.Lines;

      // If you want the data in a managed buffer,
      // you can do this
      // byte[] data = new byte[_destImage.BytesPerLine * e.Lines];
      // System.Runtime.InteropServices.Marshal.Copy(e.Data, data, 0, data.Length);
   }

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

RasterCommandExamples.prototype.ColorResolutionCommandDataEventArgsExample = function ( ) 
{
    Tools.SetLicense ( ) ;
    with ( Leadtools ) { with ( Leadtools.Codecs ) {with (Leadtools.ImageProcessing ) {

        var codecs = new RasterCodecs();

        var srcFileName = "Assets\\Image1.cmp";
        var destFileName = "Image1_colorresData.bmp";
        var srcImage ;
        // Load the source image from disk
        return Tools.AppInstallFolder().getFileAsync(srcFileName).then ( function ( loadFile ) {
            return codecs.loadAsync(LeadStreamFactory.create(loadFile))})
        .then ( function ( img ) {
            srcImage = img ;

            // Create the destination image
            _row = 0;
            _destImage = new RasterImage(
               RasterMemoryFlags.conventional,
               srcImage.width,
               srcImage.height,
               1,
               RasterByteOrder.rgb,
               RasterViewPerspective.topLeft,
               null);

            // Color-res the image to 1 bits/pixel, we will save the data ourselves into
            // the destination image
            var command = new ColorResolutionCommand();
            command.bitsPerPixel = 1;
            command.ditheringMethod = RasterDitheringMethod.floydStein;
            command.addEventListener ("data", command_Data);
            command.run(srcImage);
            command.removeEventListener ("data", command_Data);

            // Save it to disk
            return Tools.AppLocalFolder().createFileAsync(destFileName)})
        .then ( function ( saveFile ) {
            return codecs.saveAsync(_destImage, LeadStreamFactory.create(saveFile), RasterImageFormat.bmp, 4)})
        .then ( function ( ) {

            _destImage.close();
            // Clean Up
            srcImage.close();
            codecs.close ( ) ;
        });
    }
    }
    }
}

    var _destImage;
    var _row;

    function command_Data(e) {
        // Set the data into the destination image
        _destImage.setRow(_row, e.dataArray, 0, _destImage.bytesPerLine * e.lines);
        _row += e.lines;
    }

[TestMethod]
public async Task ColorResolutionCommandDataEventArgsExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = @"Assets\Image1.cmp";
   string destFileName = @"Image1_colorresData.bmp";

   // Load the source image from disk
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage srcImage = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Create the destination image
   _row = 0;
   _destImage = new RasterImage(
      RasterMemoryFlags.Conventional,
      srcImage.Width,
      srcImage.Height,
      1,
      RasterByteOrder.Rgb,
      RasterViewPerspective.TopLeft,
      null);

   // Color-res the image to 1 bits/pixel, we will save the data ourselves into
   // the destination image
   ColorResolutionCommand command = new ColorResolutionCommand();
   command.BitsPerPixel = 1;
   command.DitheringMethod = RasterDitheringMethod.FloydStein;
   command.Data += new EventHandler<ColorResolutionCommandDataEventArgs>(command_Data);
   command.Run(srcImage);
   command.Data -= new EventHandler<ColorResolutionCommandDataEventArgs>(command_Data);

   // Save it to disk
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(_destImage, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 4);

   _destImage.Dispose();

   // Clean Up
   srcImage.Dispose();
}

RasterImage _destImage;
int _row;

void command_Data(object sender, ColorResolutionCommandDataEventArgs e)
{
   // Set the data into the destination image
   _destImage.SetRow(_row, e.DataArray, 0, _destImage.BytesPerLine * e.Lines);
   _row += e.Lines;
}

public void ColorResolutionCommandDataEventArgsExample(RasterImage srcImage, Stream destStream)
{
   RasterCodecs codecs = new RasterCodecs();
   // Create the destination image
   _row = 0;
   _destImage = new RasterImage(
      RasterMemoryFlags.Conventional,
      srcImage.Width,
      srcImage.Height,
      1,
      RasterByteOrder.Rgb,
      RasterViewPerspective.TopLeft,
      null,
      null,
      0);

   // Color-res the image to 1 bits/pixel, we will save the data ourselves into
   // the destination image
   ColorResolutionCommand command = new ColorResolutionCommand();
   command.BitsPerPixel = 1;
   command.DitheringMethod = RasterDitheringMethod.FloydStein;
   command.Data += new EventHandler<ColorResolutionCommandDataEventArgs>(command_Data);
   command.Run(srcImage);
   command.Data -= new EventHandler<ColorResolutionCommandDataEventArgs>(command_Data);

   // Save it to disk
   codecs.Save(_destImage, destStream, RasterImageFormat.Bmp, 4);
   _destImage.Dispose();

   // Clean Up
   srcImage.Dispose();
}

RasterImage _destImage;
int _row;

void command_Data(object sender, ColorResolutionCommandDataEventArgs e)
{
   // Set the data into the destination image
   _destImage.SetRow(_row, e.DataArray, 0, _destImage.BytesPerLine * e.Lines);
   _row += e.Lines;
}

Public Sub ColorResolutionCommandDataEventArgsExample(ByVal srcImage As RasterImage, ByVal destStream As Stream)
   Dim codecs As RasterCodecs = New RasterCodecs()
   ' Create the destination image
   _row = 0
   _destImage = New RasterImage(RasterMemoryFlags.Conventional, srcImage.Width, srcImage.Height, 1, RasterByteOrder.Rgb, RasterViewPerspective.TopLeft, Nothing, Nothing, 0)

   ' Color-res the image to 1 bits/pixel, we will save the data ourselves into
   ' the destination image
   Dim command As ColorResolutionCommand = New ColorResolutionCommand()
   command.BitsPerPixel = 1
   command.DitheringMethod = RasterDitheringMethod.FloydStein
   AddHandler command.Data, AddressOf command_Data
   command.Run(srcImage)
   RemoveHandler command.Data, AddressOf command_Data

   ' Save it to disk
   codecs.Save(_destImage, destStream, RasterImageFormat.Bmp, 4)
   _destImage.Dispose()

   ' Clean Up
   srcImage.Dispose()
End Sub

Private _destImage As RasterImage
Private _row As Integer

Private Sub command_Data(ByVal sender As Object, ByVal e As ColorResolutionCommandDataEventArgs)
   ' Set the data into the destination image
   _destImage.SetRow(_row, e.DataArray, 0, _destImage.BytesPerLine * e.Lines)
   _row += e.Lines
End Sub

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ColorResolutionCommandDataEventArgs Members
Leadtools.ImageProcessing Namespace