How to create text image on the fly with ASP. NET

Abstract: http://www.codeproject.com/aspnet/createTextImage.asp
<PRE lang = cs id = pre0 style = "margin-top: 0px; display: block "> <% @ page Language =" C # "trace =" false "Explicit =" true "aspcompat =" true "DEBUG =" true "%>
<% @ Import namespace = "system" %>
<% @ Import namespace = "system. Text" %>
<% @ Import namespace = "system. Drawing" %>
<% @ Import namespace = "system. Drawing. Imaging" %>
<% @ Import namespace = "system. Drawing. Text" %>
<% @ Import namespace = "system. Drawing. drawing2d" %>

<SCRIPT runat = "server">
//-------------------------------------
// Fonter.net V1.0
//-------------------------------------
// Text images on the fly using ASP. NET
// Written in C # And GDI + Library
//-------------------------------------
// (C) zeddy Iskandar, 2003-onwards.
// Provided as-is, author is not
// Responsible for anything.
//-------------------------------------

Public void page_load (Object sender, system. eventargs e)
{< br> If (request. httpmethod = "Post")
{< br> string text = request. form. get ("text");
int textlength = text. length;
int fontsize = convert. toint32 (request. form. get ("fontsize");
int orientation = convert. toint32 (request. form. get ("orientation");
int antialias = convert. toint32 (request. form. get ("antialias");

// set canvas width & height
int width;
int height;
If (orientation = 1)
{< br> width = (fontsize * textlength)-(textlength * fontsize)/3);
Height = fontsize + 20;
}< br> else
{< br> width = fontsize + 20;
Height = (INT) (fontsize * textlength * 1.5 );
}

// Initialize graphics
Rectanglef rectf = new rectanglef (0, 0, width, height );
Bitmap PIC = new Bitmap (width, height, pixelformat. format24bpprgb );
Graphics G = graphics. fromimage (PIC );
G. smoothingmode = smoothingmode. antialias;
If (antialias = 1) g. textrenderinghint = textrenderinghint. antialias;

// Set colors
String fgcolor = request. Form. Get ("fontcolor ");
String bgcolor = request. Form. Get ("bgcolor ");
Color fontcolor = color. fromname (fgcolor );
Color rectcolor = color. fromname (bgcolor );
Solidbrush fgbrush = new solidbrush (fontcolor );
Solidbrush bgbrush = new solidbrush (rectcolor );

// Rectangle or ellipse?
Int bound = convert. toint32 (request. Form. Get ("Bound "));
If (bound = 1)
{
G. fillrectangle (bgbrush, rectf );
}
Else
{
G. fillrectangle (New solidbrush (color. White), rectf );
G. fillellipse (bgbrush, rectf );
}

// Load font
String fontname = request. Form. Get ("fontname") + ". TTF ";
Privatefontcollection = new privatefontcollection ();
Privatefontcollection. addfontfile (server. mappath ("./") + fontname );
Fontfamily = privatefontcollection. Families [0];

// Set Font Style
Int fontstyle = convert. toint32 (request. Form. Get ("fontstyle "));
Fontstyle style = fontstyle. Regular;
Switch (fontstyle)
{
Case 2:
Style = fontstyle. Bold;
Break;

Case 3:
Style = fontstyle. italic;
Break;

Case 4:
Style = (fontstyle. Bold) | (fontstyle. italic );
Break;

Case 5:
Style = fontstyle. Strikeout;
Break;

Case 6:
Style = fontstyle. Underline;
Break;
}
Font font = new font (fontfamily, fontsize, style, graphicsunit. pixel );

// Set Font Direction & alignment
Stringformat format = new stringformat ();
Int reverse = convert. toint32 (request. Form. Get ("reverse "));
If (reverse = 1 & Orientation = 1)
{
Format. formatflags = stringformatflags. directionrighttoleft;
}
Else if (reverse = 1 & Orientation> 1)
{
Stringbuilder temp = new stringbuilder ();
For (INT I = textLength-1; I> = 0; I --)
{
Temp. insert (textLength-1)-I, text [I]);
}
TEXT = temp. tostring ();
}
If (orientation> 1)
{
Rectf. x = width/4;
Rectf. width = fontsize-(fontsize/4 );
}
Int alignment = convert. toint32 (request. Form. Get ("alignment "));
If (alignment = 1)
{
Format. Alignment = stringalignment. Near;
}
Else if (alignment = 2)
{
Format. Alignment = stringalignment. Center;
}
Else
{
Format. Alignment = stringalignment. far;
}
Format. linealignment = stringalignment. Center;

// Draw any drop-shadow
Int dropshadow = convert. toint32 (request. Form. Get ("dropshadow "));
If (dropshadow> 0)
{
Color shadowcolor = color. fromname (request. Form. Get ("shadowcolor "));
Switch (dropshadow)
{
Case 1:
Rectf. offset (-3,-3 );
G. drawstring (text, Font, new solidbrush (shadowcolor), rectf, format );
Rectf. offset (+ 3, + 3 );
Break;

Case 2:
Rectf. offset (+ 3,-3 );
G. drawstring (text, Font, new solidbrush (shadowcolor), rectf, format );
Rectf. offset (-3, + 3 );
Break;

Case 3:
Rectf. offset (-3, + 3 );
G. drawstring (text, Font, new solidbrush (shadowcolor), rectf, format );
Rectf. offset (+ 3,-3 );
Break;

Case 4:
Rectf. offset (+ 3, + 3 );
G. drawstring (text, Font, new solidbrush (shadowcolor), rectf, format );
Rectf. offset (-3,-3 );
Break;
}
}

// Finally, draw the font
G. drawstring (text, Font, fgbrush, rectf, format );
Response. contenttype = "image/JPEG ";
PIC. Save (response. outputstream, imageformat. JPEG );

// dispose objects
pic. dispose ();
}< br> else
{< br> response. contenttype = "text/html";
response. write (" ");
response. write ("fonter.net V1.0
Create text images on-the-fly
");
response. write ("(c) 2003-onwards, zeddy Iskandar");
response. write (" ");
}< BR >}< br>