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Image Ellipse Annotation in C# Overview
RasterEdge .NET Imaging Annotating toolkit offers users the flexible and time tested image ellipse annotation technology in variable .NET classes projects, like C#, VB, ASP.NET & .NET Windows Forms. Our image annotations are perfect for general image markup applications as well as specialized document and medical applications.
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This page mainly aims at demonstrating how to create, customize, save and print ellipse annotation to image in C#.NET image application.
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In this page, several aspects of image ellipse annotation are provided:
- C# image ellipse annotation features and technologies within .NET Imaging Annotating SDK
- Detailed guide on how to create and customize ellipse annotation on image and document page
- More recommendation of .NET image annotating functions in C# program
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Overview of Ellipse Annotation Features in C#
- Totally program image ellipse annotation function in C# .NET Framework
- Compatible with the latest RasterEdge .NET Imaging SDK Add-ons
- Provide free C# code to create ellipse annotation on image or document page
- Ellipse annotation can be added to bitonal, color and grayscale images in C#
- Support adding ellipse annotation object on JPEG, PNG, BMP, GIF and TIFF images
- Easy to set the parameter of image ellipse annotation size & edge in C# project
- Make a choice of personalized annotation filled shape color and style in C#
- Draw ellipse annotation to a presentation image layer or permanently burn it onto the image page
- Save created ellipse annotation as a separate image to local file in C#
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- Use .NET image printer to print annotated image in high quality with methods in C#
Create Ellipse Annotation Program in C#
This part will show users how to create the ellipse annotation application in Visual C# class. Please follow the detailed tips below to achieve a proper C# project. Want to get help on ellipse annotation in VB.NET, please go to
how to add ellipse annotation to single or multi-page images in VB.NET class.
- Open Microsoft Visual Studio (2005 or any later version);
- Create a Windows project in Visual C# class;
- Copy the license file to "Debug" folder under the "bin" file of your created C# Windows project;
- Integrate following image annotation DLLs to your Visual C# applications;
- RasterEdge .Imaging.Basic.dll
- RasterEdge .Imaging.Annotation.dll
- Use following using statements in C# image application:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using RasterEdge.Imaging.Annotation;
using System.Diagnostics;
using RasterEdge.Imaging.Annotation.Basic;
C# Method to Create Image Ellipse Annotation
With following completely developed APIs in C# code, users can easily create customized ellipse annotation on image. Specific customizable annotation properties include: annotation edge data, location, font style and annotation brush shadow.
public static EllipseAnnotation CreateEllipseAnnotation(float x, float y, float w, float h);
public static EllipseAnnotation CreateEllipseAnnotation(float x, float y, float w, float h, AnnotationPen outline, AnnotationBrush fill,
AnnotationBrush shadow, float shadowX, float shadowY);
Create Image Ellipse Annotation Example in C#
As displayed in following C# sample code, when programming image ellipse annotation, users can change the parameter of annotation width & height and filled shape properties. Nay more, users are supposed to save the annotated image to variable image formats.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using RasterEdge.Imaging.Annotation;
using System.Diagnostics;
using RasterEdge.Imaging.Annotation.Basic;
namespace RasterEdge.Imaging.Demo.Annotation
{
public class EllipseAnnotationDemo
{
/*
*
*
* SDK Dependency:
* RasterEdge.Imaging.Annotation.dll
*
*
*/
public static void Test()
{
try
{
EllipseAnnotation obj = new EllipseAnnotation();
// set annotation size
obj.X = 60.0F;
obj.Y = 45.0F;
obj.Width = 156.0F;
obj.Height = 228.0F;
//set annotation edge property
obj.OutLine = new LinePen();
obj.OutLine.Width = 5.0F;//set annotation edge width
obj.OutLine.Brush = new AnnotationBrush();
obj.OutLine.Brush.FillType = RasterEdge.Imaging.Annotation.FillType.Solid;//set annotation edge style
obj.OutLine.Brush.Solid_Color = Color.Blue;//set annotation edge color
//set filled shape property
obj.Fill = new AnnotationBrush();
obj.Fill.FillType = RasterEdge.Imaging.Annotation.FillType.Solid;//set filled shape style
obj.Fill.Solid_Color = Color.Gray;//set filled shape color
//set shadow property
obj.ShadowFill = new AnnotationBrush();
obj.ShadowFill.FillType = RasterEdge.Imaging.Annotation.FillType.Solid;//set shadow style
obj.ShadowFill.Solid_Color = Color.DarkGreen;//set shadow color
obj.ShadowX = 20.0F;//set shadow position
obj.ShadowY = 20.0F;
obj.ShowShadow = true;//show shadow or not
string folderName = "C:/";
Bitmap img = obj.CreateAnnotation();
img.Save(folderName + "EllipseAnnotation.png");
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
}
More Recommendation of C# Image Annotating Functions
Using our .NET image annotating SDK, users are able to add and create a broad range of annotation objects on single or multi-page images in C# code, including text, freehand, line, ellipse, rectangle, rubber stamps, hot spot, etc. if you are still interested image annotation functions in web client and Windows Forms projects, you can go to
tutorials on image annotation application in web ASP.NET &
How to annotate image page within .NET WinForms code.
- C# image callout annotation - easy to integrate image callout annotation function into single or multi-threaded C#.NET applications
- C# methods on polygon annotation to image - draw and create polygon annotation with flexible and robust image annotating APIs
- How to create rectangle annotation - combine professional imaging dll with image annotation controls to create rectangle annotation on color, bitional and black & white images
- Add rubber stamp annotation shape to image - support adding rubber stamp annotation on single or multiple image pages at the same time with C#.NET Imaging Annotating libraries
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