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PerspectiveCommand Constructor(LeadPoint[],RasterColor,PerspectiveCommandType)

Summary

Initializes a new PerspectiveCommand with explicit parameters.

Syntax
C#
VB
C++
  
Public Function New( _ 
   ByVal cornerPoints() As LeadPoint, _ 
   ByVal fillColor As RasterColor, _ 
   ByVal type As PerspectiveCommandType _ 
) 
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.

C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.SpecialEffects; 
 
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"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.SpecialEffects 
 
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 

Requirements

Target Platforms

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Leadtools.ImageProcessing.SpecialEffects Assembly