Introduction
This article explains how to Write a Text On Image Using Asp.Net & C#.In this article i am using some common library functions and methods.
Image Class & Bitmap Class
- The Image class is one of the example of Abstract Class
- The Bitmap class is an implementation of the Image class and it inherits from the Abstract Image class.
- After implementation we can get the Image Class functionality in Bitmap Class.
C# Code
The below code is using for Write a Text On Image.We can change the below functionalities based on our requirement.
//creating a image object
System.Drawing.Image bitmap = (System.Drawing.Image)Bitmap.FromFile(Server.MapPath("onam.jpg")); // set image
//draw the image object using a Graphics object
Graphics graphicsImage = Graphics.FromImage(bitmap);
//Set the alignment based on the coordinates
StringFormat stringformat = new StringFormat();
stringformat.Alignment = StringAlignment.Far;
stringformat.LineAlignment = StringAlignment.Far;
StringFormat stringformat2 = new StringFormat();
stringformat2.Alignment = StringAlignment.Center;
stringformat2.LineAlignment = StringAlignment.Center;
//Set the font color/format/size etc..
Color StringColor = System.Drawing.ColorTranslator.FromHtml("#933eea");//direct color adding
Color StringColor2 = System.Drawing.ColorTranslator.FromHtml("#e80c88");//customise color adding
string Str_TextOnImage = "Happy";//Your Text On Image
string Str_TextOnImage2 = "Onam";//Your Text On Image
graphicsImage.DrawString(Str_TextOnImage, new Font("arial", 40,
FontStyle.Regular), new SolidBrush(StringColor), new Point(268, 245),
stringformat); Response.ContentType = "image/jpeg";
graphicsImage.DrawString(Str_TextOnImage2, new Font("Edwardian Script ITC", 111,
FontStyle.Bold), new SolidBrush(StringColor2), new Point(145, 255),
stringformat2); Response.ContentType = "image/jpeg";
bitmap.Save(Response.OutputStream, ImageFormat.Jpeg);
Graphics & Bitmap
A Bitmap is an object used to work with images defined by pixel data and you can draw the image object using a Graphics object.Check the below code.
//creating a image object
System.Drawing.Image bitmap = (System.Drawing.Image)Bitmap.FromFile(Server.MapPath("onam.jpg")); // set image
//draw the image object using a Graphics object
Graphics graphicsImage = Graphics.FromImage(bitmap);
Formatting the string
Change Text Alignment based on the coordinates
//Set the alignment based on the coordinates
StringFormat stringformat = new StringFormat();
stringformat.Alignment = StringAlignment.Far;
stringformat.LineAlignment = StringAlignment.Far;
StringFormat stringformat2 = new StringFormat();
stringformat2.Alignment = StringAlignment.Center;
stringformat2.LineAlignment = StringAlignment.Center;
Text On Image
Set the font color,size,format.
string Str_TextOnImage = "Happy";//Your Text On Image
string Str_TextOnImage2 = "Onam";//Your Text On Image
graphicsImage.DrawString(Str_TextOnImage, new Font("arial", 40,
FontStyle.Regular), new SolidBrush(StringColor), new Point(268, 245),
stringformat); Response.ContentType = "image/jpeg";
graphicsImage.DrawString(Str_TextOnImage2, new Font("Edwardian Script ITC", 111,
FontStyle.Bold), new SolidBrush(StringColor2), new Point(145, 255),
stringformat2); Response.ContentType = "image/jpeg";
String Color
Adding the string color in two way..
Color StringColor = System.Drawing.Color.Red;//direct color adding
Color StringColor = System.Drawing.ColorTranslator.FromHtml("#933eea");//customise color adding
Important Section
Namespace
using System.Drawing;
using System.Drawing.Imaging;
The above namespace is contain Graphics,Bitmaps,Image Editing and Alignment,etc libraries.
OutPut

Happy Onam
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