ASP.NET and GDI+

[adibu]

Please,

I need help
What I want is:
Using ASP.NET, VB.NET and GDI+in the same aspx PAGE to be able to display a simple text using a text box, a button and ??? to place to display the text.

Thanks.

Best regards.

[Cander]

What do you need GDI for? Just add a button, a textbiox, and a label. Set the label text..That is all.

[adibu]

I don't need a Label because with GDI+ I have infinite posibilities to do with a text .

Best regards.

[PT Exorcist]

but it will be a lot more time consuming

[PT Exorcist]

and if many ppl go to ur page it will eat ur ram up all

[hellswraith]

Is the text custom to every visitor? If it isn't, and is just changed every now and then, you might want to look into having the page create one graphic, store it on the server, and include that in the page. Whenever you want a new graphic created, you can schedule your app to do so, and overwrite the old one.

[Cander]

i think I see what you mean. Look into the Bitmap object. You can create a new Bitmap object, then use the graphics object DrawString to write text to it, and use Bitmap.Save to write it out to the response object. Here is a little mor ecomplex example

<%@ Page Language="VB" ContentType="image/jpeg" %>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="System.Drawing.Imaging" %>

<script language="VB" runat="server">

Sub Page_Load(Sender as Object, E as EventArgs) 
	Dim rnd As New Random()
	Dim strText As String
	' create a font
	Dim fnt As Font = New Font("Arial", 12, FontStyle.Bold)
	' Load a bitmap based image from a file
	Dim newBitmap As Bitmap = New Bitmap(Server.MapPath("back.jpg"))
	' This line is for creating a blank bitmap.
	'Dim newBitmap As Bitmap = New Bitmap(400,50,PixelFormat.Format32bppARGB)
	' Bind the Bitmap to the graphics object
	Dim g As Graphics = Graphics.FromImage(newBitmap)
        
        ' Get a random number to choose what text to show
	Select Case rnd.Next(5)
		Case 1
			strText = "The place to be!"
		Case 2
			strText = "What did you expect this message to say?"
		Case 3
			strText = "How about a nice hot cup of STFU!"
		Case 4
			strText = "Proving Monkeys CAN fly!"
		Case Else
			strText = "D'oh!"
	End Select	
	
	' get the length of the string in pixels
	Dim tempg As Graphics = Graphics.FromImage(new Bitmap(1,1))
	Dim StringLength As Integer = tempg.MeasureString(strText,fnt).Width
	tempg.Dispose
	
	g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias
	g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias
	
        ' Draw the string to the Graphics object. Subtract the strings pixel length from the 
        ' images width do determine postioning so that the lst character is always along the
        ' right edge of the image. Draw shadow first
        g.DrawString(strText, fnt, New SolidBrush(Color.Black), newBitmap.Width - StringLength, 65)
	g.DrawString(strText, fnt, New SolidBrush(Color.LightSteelBlue), newBitmap.Width - StringLength - 2, 63)
        
        ' Get an array of ImageEncoders..array item 1 is Jpeg.
        Dim imgCodecs() As ImageCodecInfo  = ImageCodecInfo.GetImageEncoders()
	
	' Set quality Parameter for the Jpeg codec
	Dim imgParams As EncoderParameters = New EncoderParameters(1)
	Dim imgQuality As EncoderParameter = New EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 80)
	' Set quality
	imgParams.Param(0) = imgQuality
	 
	' Render BitMap Stream Back To Client
	newBitmap.Save(Response.OutputStream,imgCodecs(1), imgParams)
	fnt.Dispose()
	g.Dispose()
End Sub

</script>

[adibu]

Because it seams that is not possible to write in the same page the input and the output.Please help me with 2 aspx pages
First ask.aspx
1.Text box = Your text.
2. DropDownList = My size
3 Radio Button = Shdow : Yes No
3 .DropDownList = My TFF font
4. Button = Submit
Based on imput with GDI+ I will generate a GIF file.
How can I submit this info in the second answer.aspx
1.Label = My Size
2.Label = My Font
3. ?????? to use for display the gif file.
4 Button = Back
and when I am back I want to don't loose the info entered, the file created by the user to don't be destroyed by other user, and when I choose the final submit "This is what you want?" I need to drop all info in a database.
Please try to help me !

[PT Exorcist]

i was just trying this ...i created a file pic.aspx and put the code there...puted the line of the picture a picture of the same folder of the aspx file...tryed but got an error about path2...*** does that mean?!?

[PT Exorcist]

how can i implement this?

........ in what file?

[PT Exorcist]

never mind..did it