Watermark/label custom http handler

I need to write a custom handler when the handler is accessed, it returns
the photo in jpg with 2 lines on the bottom of the image.
lower left "Taken by"
lower right "January 2 2008"

This is what I have so far...

public class certificate : IHttpHandler {

public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "image/jpeg";
context.Response.Cache.SetCacheability(HttpCacheab ility.NoCache);
context.Response.BufferOutput = false;

context.Response.WriteFile("/photos/1.jpg");

}

public bool IsReusable {
get {
return false;
}
}
}

Your help is greatly appreciated,
Tem

http://www.c-sharpcorner.com/UploadF...termarkCS.aspx

http://geekswithblogs.net/aguest/articles/58795.aspx

I think if you merge those 2 articles together, you can get what you want.





"Tem" <tem1232 (AT) yahoo (DOT) com> wrote

I need to write a custom handler when the handler is accessed, it returns
the photo in jpg with 2 lines on the bottom of the image.
lower left "Taken by"
lower right "January 2 2008"

This is what I have so far...

public class certificate : IHttpHandler {

public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "image/jpeg";
context.Response.Cache.SetCacheability(HttpCacheab ility.NoCache);
context.Response.BufferOutput = false;

context.Response.WriteFile("/photos/1.jpg");

}

public bool IsReusable {
get {
return false;
}
}
}

Your help is greatly appreciated,
Tem

This is what I came up with.
It only outputs a black image.. something's not right
But I can't seem to figure out what is wrong with it.
Please have a look

Thanks

<%@ WebHandler Language="C#" Class="LabelPhoto" %>

using System;
using System.Web;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;


public class certificate : IHttpHandler
{

public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "image/jpeg";
context.Response.Cache.SetCacheability(HttpCacheab ility.NoCache);
context.Response.BufferOutput = false;

GenerateText(@"C:\photo1.jpg").Save(context.Respon se.OutputStream,
ImageFormat.Jpeg);
}

public bool IsReusable
{
get
{
return false;
}
}


private Bitmap GenerateText(string filePath)
{
int opac = 250;
string text = "hello";

Image i = Image.FromFile(filePath);

int width = i.Width;
int height = i.Height;

Graphics g = Graphics.FromImage(i);

Brush myBrush = new SolidBrush(Color.FromArgb(opac, Color.Red));

SizeF sz = g.MeasureString(text, new
Font(FontFamily.GenericSansSerif, 2));

int x;
int y;

x = width / 2;
y = height / 2;

// draw the water mark text
g.DrawString(text, new Font(FontFamily.GenericSansSerif, 7),
myBrush, new Point(x, y));

return new Bitmap(width, height, g);
}
}