ASCII text scroll generator

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kelrhys
Beginner
Posts: 10
Joined: 10 May 2017 16:48

ASCII text scroll generator

Post by kelrhys » 25 Oct 2017 18:39

Hello all,

I had seen someone asking about an ascii text scroll generator on discord, and was looking for one myself and could not find one. So I created an incredibly basic scroll generator with my feeble web dev skills and here it is. Hope someone finds it helpful. Forum won't let me attach html in a file - it's convinced it is a possible attack vector :) So you will need to copy the following code to a file and name it (for example) scroll_generator.html and then double-click to run it.

-Kelrhys

Code: Select all

<!DOCTYPE HTML>

<html>

    <head>

       <!-- Latest compiled and minified CSS -->
		<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

		<!-- Optional theme -->
		<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">

    </head>
	<style type="text/css"> 
     #scrollcontent { 
       border: double; 
       overflow-y: scroll; 
       font-family: "Courier New", Courier, monospace;
	   white-space: pre
     } 
	</style>
    <body>
		<h1>Genesis ASCII Text Scroll Creator</h1>
	 
		<h4><b>Please choose text file with desired scroll contents (maximum line length 62)</b></h4>
		<input type="file" id="input" name="file"/>
		<br>
		<output id="scrollcontent"></output>

        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js">
		<!-- Latest compiled and minified JavaScript -->
		<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
        
		<script>

            if (window.File && window.FileReader && window.FileList && window.Blob) {
                // Great success! All the File APIs are supported.
            } else {
                alert('The File APIs are not fully supported in this browser.');
            }
			function escapeHtml(unsafe) {
				return unsafe
					.replace(/&/g, "&")
					.replace(/</g, "<")
					.replace(/>/g, ">")
					.replace(/"/g, """)
					.replace(/'/g, "'");
			}
			
			function handleFileSelect(evt) {
                var files = evt.target.files; // FileList object


                // files is a FileList of File objects.
                var output = [];
                for (var i = 0, f; f = files[i]; i++) {

                    var reader = new FileReader();

                    reader.onload = function(e) {
						var begintext = "     _________________________________________________________________\n    /_\\                                                               \\\n   //_\\|                                                               |\n   |\\_/___-_______-______/|________--___|\\_____-______-__|\\_____/\\____/\n    \\                                                               \\\n     |                                                               |\n";
						var endtext = "    /                                                                /\n   /___ ____  ________ ____________________  _______________ _______/\n  |/\\  -    |/        -                    |/               -        \\\n  \\\\_|                                                                |\n   \\/________________________________________________________________/";
						var margintext = "|";
						const maxlinelen = 62;
						
						// Print top of scroll
						output.push(begintext);
						
                        // Print the contents of the file
                        var text = e.target.result;

						// Split into lines, tolerating windows and unix newline
						var lines = text.split(/[\r\n][\r\n]/g);					
						
                        for(var i = 0; i < lines.length; i++) {
							var pad = maxlinelen - lines[i].length;
							console.log("Line # " + i + " Line length: " + lines[i].length + " pad: " + pad);
                            output.push("     " + margintext + " " + escapeHtml(lines[i])); 
							
							for (var j = 0; j < pad; j++) {
								output.push(" ");
							}
							
							output.push(margintext + "\n");
                        }
						
						// Print bottom of scroll
						output.push(endtext);
						
						document.getElementById('scrollcontent').innerHTML = output.join('');
                    };

                    reader.readAsText(f,"UTF-8");

                }
                
            }

            document.getElementById('input').addEventListener('change', handleFileSelect, false);


        </script>
		<h6><i>Made for the denizens of Genesis with love by Kelrhys 10/2017</i></h6>
    </body>
</html>

User avatar
Shanoga
Wizard
Posts: 168
Joined: 03 Mar 2014 13:03
Location: US West

Re: ASCII text scroll generator

Post by Shanoga » 25 Oct 2017 18:58

Don't hack meeeeeeee.

But really, thanks for this. It's pretty cool!

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