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Label Property

Summary
Gets or sets a value that contains user defined text, which may be used to label or name this overlay.
Syntax
C#
Objective-C
C++/CLI
Java
Python
public string Label { get; set; } 
@property (nonatomic, copy, nullable) NSString *label 
public String getLabel(); 
public void setLabel( 
   java.lang.String string 
); 
public: 
property String^ Label { 
   String^ get(); 
   void set (    String^ ); 
} 
Label # get and set (RasterOverlayAttributes) 

Property Value

A String that contains user defined text, which may be used to label or name this overlay.

Remarks

For more information, refer to "Overlay Plane Module Attributes" in the DICOM standard and Overlay Overview.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Dicom; 
using Leadtools.Drawing; 
using Leadtools.Controls; 
using Leadtools.Svg; 
 
 
public void GetOverlayImageExample() 
{ 
	RasterCodecs codecs = new RasterCodecs(); 
	// load an image and set an overlay 
	RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "DICOM","image2.dcm"), 0, CodecsLoadByteOrder.BgrOrGray, 1, 1); 
	RasterImage imageOverlay1 = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ulay1.bmp"), 1, CodecsLoadByteOrder.Rgb, 1, 1); 
	RasterImage imageOverlay2 = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ulay1.bmp"), 1, CodecsLoadByteOrder.Rgb, 1, 1); 
	image.SetOverlayImage(0, imageOverlay1, RasterGetSetOverlayImageMode.Copy); 
	image.SetOverlayImage(1, imageOverlay2, RasterGetSetOverlayImageMode.Copy); 
 
	// update the attributes of one of the overlays 
	RasterOverlayAttributes attributes = image.GetOverlayAttributes(0, 
	   RasterGetSetOverlayAttributesFlags.Color | 
	   RasterGetSetOverlayAttributesFlags.Flags | 
	   RasterGetSetOverlayAttributesFlags.Origin | 
	   RasterGetSetOverlayAttributesFlags.BitIndex); 
 
	attributes.Color = new RasterColor(255, 255, 255); 
	attributes.AutoPaint = true; 
	attributes.AutoProcess = true; 
	attributes.Origin = new LeadPoint(5, 5); 
	attributes.BitPosition = image.BitsPerPixel - 1; 
 
	image.UpdateOverlayAttributes( 
	   0, 
	   attributes, 
	   RasterGetSetOverlayAttributesFlags.Color | 
	   RasterGetSetOverlayAttributesFlags.Flags | 
	   RasterGetSetOverlayAttributesFlags.Origin | 
	   RasterGetSetOverlayAttributesFlags.BitIndex); 
 
 
	int count = image.OverlayCount; 
	for (int i = 0; i < count; i++) 
	{ 
		using (RasterImage overlayTest = image.GetOverlayImage(i, RasterGetSetOverlayImageMode.NoCopy)) 
		{ 
			string fileName = string.Format(Path.Combine(LEAD_VARS.ImagesDir, "overlay{0}_copy.bmp"), i); 
			codecs.Save(overlayTest, fileName, RasterImageFormat.Bmp, 1); 
		} 
	} 
 
	image.Dispose(); 
	imageOverlay1.Dispose(); 
	imageOverlay2.Dispose(); 
	codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.5.16
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Leadtools Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.