PerspectiveCommand Constructor(LeadPoint[],RasterColor,PerspectiveCommandType)

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

public PerspectiveCommand( 
   LeadPoint[] cornerPoints,
   RasterColor fillColor,
   PerspectiveCommandType type
)

'Declaration
 
Public Function New( _
   ByVal cornerPoints() As LeadPoint, _
   ByVal fillColor As RasterColor, _
   ByVal type As PerspectiveCommandType _
)

'Usage
 
Dim cornerPoints() As LeadPoint
Dim fillColor As RasterColor
Dim type As PerspectiveCommandType
 
Dim instance As New PerspectiveCommand(cornerPoints, fillColor, type)

public PerspectiveCommand( 
   LeadPoint[] cornerPoints,
   RasterColor fillColor,
   PerspectiveCommandType type
)

function PerspectiveCommand( 
   cornerPoints ,
   fillColor ,
   type 
)

public:
PerspectiveCommand( 
   array<LeadPoint>^ cornerPoints,
   RasterColor fillColor,
   PerspectiveCommandType type
)

Parameters

cornerPoints: Array of Leadtools.LeadPoint that determines the new locations of image corners.
fillColor: Background color
type: The type of background.

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

Public Sub PerspectiveConstructorExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim cornerPoints() As LeadPoint
   ReDim cornerPoints(3)
   cornerPoints(0).X = CInt(leadImage.Width * 3 / 9)
   cornerPoints(0).Y = CInt(leadImage.Height * 1 / 12)
   cornerPoints(1).X = CInt(leadImage.Width * 3 / 4)
   cornerPoints(1).Y = CInt(leadImage.Height * 2 / 12)
   cornerPoints(2).X = CInt(leadImage.Width * 2 / 10)
   cornerPoints(2).Y = CInt(leadImage.Height * 8 / 10)
   cornerPoints(3).X = CInt(leadImage.Width * 10 / 11)
   cornerPoints(3).Y = CInt(leadImage.Height * 7 / 10)
   Dim command As New PerspectiveCommand(cornerPoints, New RasterColor(255, 0, 0), PerspectiveCommandType.Image)
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

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

public void PerspectiveConstructorExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      LeadPoint[] cornerPoints = new LeadPoint[4];
      cornerPoints[0].X = image.Width * 3 / 9;
      cornerPoints[0].Y = image.Height * 1 / 12;
      cornerPoints[1].X = image.Width * 3 / 4;
      cornerPoints[1].Y = image.Height * 2 / 12;
      cornerPoints[2].X = image.Width * 2 / 10;
      cornerPoints[2].Y = image.Height * 8 / 10;
      cornerPoints[3].X = image.Width * 10 / 11;
      cornerPoints[3].Y = image.Height * 7 / 10;
      PerspectiveCommand command  = new PerspectiveCommand(cornerPoints,
         new RasterColor(255, 0, 0),
         PerspectiveCommandType.Image);
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

   }

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

[TestMethod]
public async Task PerspectiveConstructorExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   LeadPoint[] cornerPoints = new LeadPoint[4];
   cornerPoints[0].X = image.Width * 3 / 9;
   cornerPoints[0].Y = image.Height * 1 / 12;
   cornerPoints[1].X = image.Width * 3 / 4;
   cornerPoints[1].Y = image.Height * 2 / 12;
   cornerPoints[2].X = image.Width * 2 / 10;
   cornerPoints[2].Y = image.Height * 8 / 10;
   cornerPoints[3].X = image.Width * 10 / 11;
   cornerPoints[3].Y = image.Height * 7 / 10;
   PerspectiveCommand command  = new PerspectiveCommand(cornerPoints,
      RasterColorHelper.Create(255, 0, 0),
      PerspectiveCommandType.Image);
   command.Run(image);

   string destFileName = @"result.bmp";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 24);
}

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

PerspectiveCommand Class
PerspectiveCommand Members
Overload List