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LEADTOOLS Image Processing (Leadtools.ImageProcessing.SpecialEffects assembly)
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PerspectiveCommand Constructor(LeadPoint[],RasterColor,PerspectiveCommandType)








Leadtools.ImageProcessing.SpecialEffects Namespace > PerspectiveCommand Class > PerspectiveCommand Constructor : PerspectiveCommand Constructor(LeadPoint[],RasterColor,PerspectiveCommandType)
Array of Leadtools.LeadPoint that determines the new locations of image corners.
Background color
The type of background.
Initializes a new PerspectiveCommand with explicit parameters.
Syntax
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.

            

            
            
            
            
        
            
Example
Run the PerspectiveCommand on an image.

             
    

            
            

            Copy Code
                
            

            

    

     

            
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.SpecialEffects

<TestMethod()> _
Public Sub PerspectiveConstructorExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample1.cmp"))

   ' 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

            

   

     

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

[TestMethod]
public void PerspectiveConstructorExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample1.cmp"));

   // 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";
}

            

   

     

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

[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);
}

            

   

      
	
      
	
    

            
            
Requirements
Target Platforms

            
            
See Also
Reference
PerspectiveCommand Class

PerspectiveCommand Members

Overload List




        
    

	
    

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