ColorResolutionCommandDataEventArgs Class

Provides data for the ColorResolutionCommand.Data event.

Object Model

Syntax

C#
Visual Basic
WinRT C#
Java
Objective-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~

public class ColorResolutionCommandDataEvent extends LeadEvent

function Leadtools.ImageProcessing.ColorResolutionCommandDataEventArgs()

public ref class ColorResolutionCommandDataEventArgs : public System.EventArgs

Example

This example will convert an image from 24 to 1 bits/pixel saving the data into an external image manually

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

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing

      
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

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;

      
public void ColorResolutionCommandDataEventArgsExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = Path.Combine(ImagesPath.Path, "Image1.cmp");
   string destFileName = Path.Combine(ImagesPath.Path, "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);

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

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;
    }

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;

      
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;
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Examples;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Media;

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;
}

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Windows.Media

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

Reference

ColorResolutionCommandDataEventArgs Members
Leadtools.ImageProcessing Namespace