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SourcePoint Property

Summary
Gets or sets the point structure that contains the origin of the source rectangle.
Syntax
C#
VB
Objective-C
C++
Java
public LeadPoint SourcePoint { get; set; } 
Public Property SourcePoint As LeadPoint 
@property (nonatomic, assign) LeadPoint sourcePoint 
public LeadPoint getSourcePoint() 
public void setSourcePoint(LeadPoint value) 
public: 
property LeadPoint SourcePoint { 
   LeadPoint get(); 
   void set (    LeadPoint ); 
} 

Property Value

LeadPoint structure that contain the origin of the source rectangle. the Width and Height are the same Width and Height for the destination rectangle.

Example

Run the AlphaBlendCommand on an image.

C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Effects; 
 
public void SourcePointPropertyExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")); 
 
   // Prepare the command 
   RasterImage srcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Image3.cmp"), 24, CodecsLoadByteOrder.Bgr, 1, 1); 
 
   AlphaBlendCommand command = new AlphaBlendCommand(); 
   // Combine srcImage with image, with half opacity. 
   //command.DestinationRectangle = new LeadRect(image.Width / 2 - srcImage.Width / 2, image.Height / 2 - srcImage.Height / 2, image.Width / 2 + srcImage.Width / 8, image.Height / 2 + srcImage.Height / 8); 
   command.DestinationRectangle = new LeadRect(image.Width / 8, image.Height / 8, image.Width, image.Height); 
   command.SourceImage = srcImage; 
   command.SourcePoint = new LeadPoint(0, 0); 
   command.Opacity = 128; 
   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:\LEADTOOLS21\Resources\Images"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Effects 
 
Public Sub SourcePointPropertyExample() 
   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 srcImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\image3.cmp"), 24, CodecsLoadByteOrder.Bgr, 1, 1) 
 
   Dim Left As Integer = CType((leadImage.Width / 8), Integer) 
   Dim Top As Integer = CType((leadImage.Height / 8), Integer) 
   Dim Width As Integer = CType((leadImage.Width), Integer) 
   Dim Height As Integer = CType((leadImage.Height), Integer) 
 
   ' Combine srcImage with image, with half opacity. 
   Dim command As AlphaBlendCommand = New AlphaBlendCommand 
   command.DestinationRectangle = New LeadRect(Left, Top, Width, Height) 
   command.SourceImage = srcImage 
   command.SourcePoint = New LeadPoint(0, 0) 
   command.Opacity = 128 
   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:\LEADTOOLS21\Resources\Images" 
End Class 
Requirements

Target Platforms

Help Version 21.0.2021.7.2
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.ImageProcessing.Effects Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.