ASP.NET

Member 3435614 wrote:

That one only compare simillar color I want simillar pattern I mean I have to change color from white to black but in image not only contain pure white that is ffffff but some ffffaa,ffffbb,et. also i have to change those all similer color

private Bitmap CreateGrayscale(System.Drawing.Image source, Color curColor,Color newColor)
    {

        // Create a bitmap from the image

        Bitmap bmp = new Bitmap(source);



        // Loop through each pixel in the bitmap. If we find

        // a transparent pixel, we leave it alone.

        for (int y = 0; y < bmp.Height; y++)
        {

            for (int x = 0; x < bmp.Width; x++)
            {

                // Get the color of the current pixel

                Color col = bmp.GetPixel(x, y);



                if (col.A == curColor.A && col.R==curColor.R && col.G==curColor.G && col.B==curColor.B) // No alpha (non-transparent)
                {

                    int r = (int)(newColor.R);

                    int g = (int)(newColor.G);

                    int b = (int)(newColor.B);


                    Color chgColor = Color.FromArgb(r, g, b);

                   
                    bmp.SetPixel(x, y, chgColor);

                }


            }

        }

        return bmp;
    }

vjainpee wrote:

I m new to asp.net

vjainpee wrote:

but how to make a virtual directory?

vjainpee wrote:

I want to make a notepad file through .net at run time ,put some text in the file and save the file at some location on the system

vjainpee wrote:

and the file should be in open mode automaticaly (user dont need to open the file )

trilokharry wrote:

imgInFile.Save("new", ImageFormat.Bmp);
This is how i m creating image as bitmap but i m not getting where it is created. I specify path like c:\\new but it is not taking so i just specify new but where this file created i m not getting.

imgInFile.Save(Server.MapPath("new.bmp"), ImageFormat.Bmp);