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Simple ASCII Art Generator

, 18 Jul 2007
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Uses less than 25 lines of code to convert a given picture to an equivalent ASCII picture
Screenshot - ASCII1.jpg

Introduction

This is a very simple program to convert a given picture into an ASCII Art of 1s & 0s. The output ASCII Image is saved in *.html format.

Using the Code

The code first reads the picture specified by the user into a bitmap object. Then it scans through each pixel of the image and converts it into its equivalent HTML tag, and saves the value into the output.html file.

The final output will look similar to the picture shown above.

StreamWriter sw = File.CreateText(outputPath);
Color color;
 
//Start of HTML file
sw.Write("<html> \n <body > \n <pre style=\"font: 10px/3px monospace;\">");

Random ran = new Random();
for (int y = 0; y < bmp.Height; y=y+3)
{
    for (int x = 0; x < bmp.Width; x=x+3)
    {
        int random = ran.Next(2);
        color = bmp.GetPixel(x, y);
        //write the HTML tag corresponding to the pixel color 
        //value of random will be either 1 or 0
        sw.Write("<span style=\"color: #{0:X2}{1:X2}{2:x2};\">{3}</span>", 
            (int)color.R, (int)color.G, (int)color.B, random);
    }

    sw.WriteLine("<br>");
}

//End of HTML file
sw.Write("</body>\n</html>");

sw.Close();

Note that we are using a random number generator to produce either 1 or 0 randomly.

int random = ran.Next(2);

Points of Interest

This is a very simple approach to creating color ASCII art. It will be quite simple to modify the above program to output other characters as well (rather than the 1 & 0 used here).

A sample picture created with a modified version of the above program could be found here.

Note: Sometimes, it may take several seconds for the background image to load.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Sajjitha Gunawardana
Web Developer
Sri Lanka Sri Lanka
coding in C# C++ C
 
==============================================
 
Code in English, not Gibberish Smile | :)

Comments and Discussions

 
GeneralPossibly re-inventing the wheel...there has been a similar article written prior to yours Pinmemberdaluu30-Dec-07 14:10 
GeneralRe: Possibly re-inventing the wheel...there has been a similar article written prior to yours PinmemberSajjitha Gunawardana31-Dec-07 12:42 
GeneralEasy way to show all ascii characters PinmemberWill Code for Food26-Jul-07 9:26 
Generalthx all the same Pinmembertodd_yx25-Jul-07 23:36 
GeneralRe: thx all the same PinmemberSajjitha Gunawardana27-Jul-07 13:47 
GeneralAdditional features PinmemberPapa Beers25-Jul-07 8:22 
Questionplz help me on C# Pinmembertodd_yx25-Jul-07 0:40 
AnswerRe: plz help me on C# PinmemberSajjitha Gunawardana25-Jul-07 7:58 
GeneralLOL - Thanks, I needed the laugh! PinmemberINVALID_HANDLE_VALUE12-Jul-07 21:11 
GeneralIts Cool Pinmemberwizkiz11-Jul-07 7:11 
GeneralIt works good PinmemberbigRahn9-Jul-07 14:44 
GeneralRe: It works good PinmemberSajjitha Gunawardana10-Jul-07 4:55 
GeneralRe: It works good PinmemberbigRahn11-Jul-07 5:39 
GeneralRe: It works good Pinmemberwizkiz11-Jul-07 7:13 
GeneralRe: It works good PinmemberbigRahn12-Jul-07 3:43 

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