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                <div id="container">
    <label for="upload-image">1. upload an image</label>
    <input type="file" id="upload-image" name="upload-image" />

  <p id="sketch-container" class="hide">
    <label>2. Draw some edges or erase for a "sketched" look.</label>

    <canvas id="sketch-canvas"></canvas>

<div id="menu"> 

 <div class="tray">
    <p><a href="index.html">DE-SKETCHING CASSATT<br /> a <code>var t;</code> demo</a></p>
    <p><small>upload an image<br />make it an art<br /><a href="index.html">learn about mary cassatt</a></small></p>
    <div id="sketch-tools">
      <button class="clear">Clear</button>
      <button class="save">Save</button> <br />
      <button class="pencil">Pencil</button> 
      <button class="eraser">Eraser</button>


                body { font-family: Helvetica; padding: 1em; }

#container p { margin: 0 0 2em; }
label { font-weight: bold; text-transform: uppercase; font-size: 1.5em; display: block; margin: .5em 0; width: 500px;}

#menu { position: absolute; top: 10px; right: 10px; text-align: right;   }
#menu a { text-decoration: none; color: black; font-weight: bold; font-size: 1.2em; }
#menu p { margin-bottom: 10px; }
#menu small { font-family: monospace; }

#sketch-container { position: relative; }

button { background-color: #ccc; border-color: #ccc; margin: 5px;} { background-color: lime; border-color: lime; }

.hide { display: none; }



  var $uploadInput = $('#upload-image');
  var $sketchContainer = $('#sketch-container');
  var $sketchTools = $('#sketch-tools').addClass('hide');
  var canvas = $('#sketch-canvas')[0];
  var ctx = canvas.getContext('2d');

  var $buttonClear = $('button.clear');
  var $buttonSave = $('');
  var $buttonPencil = $('button.pencil').addClass('in-use');
  var $buttonEraser = $('button.eraser');

  var sketchRadius = 2;
  var sketchColor = '#897171';
  var tool = 'pencil';

  /** EVENTS **/

  // when uploading an image, embed it onto canvas and show it

    // embed image onto canvas
    var uploadedImage = $uploadInput[0].files[0];
    var reader = new FileReader();
    reader.onload = function(e){
      var img = new Image();
      img.onload =function() {
        canvas.width = img.width;
        canvas.height = img.height;
      img.src =;

    // show sketch container

  // clear canvas when clear button clicked
    ctx.fillStyle = "#ffffff";


  // open png in new window when save button clicked
  // use pencil when pencil button clicked
    tool = 'pencil';
  // use eraser when eraser button clicked
    tool = 'eraser';

  /** DE-SKETCHING **/


      // get current pixel position
      var offset = $(this).offset(); 
      var x = e.pageX - offset.left;
      var y = e.pageY -;

      // draw 2px wide circle with grey around the point of mouse
      // if pencil, draw edges. if eraser, do the magical erase thing
      if ( tool === 'pencil' ) {
        ctx.arc(x, y, sketchRadius, 0, 2 * Math.PI, false);
        ctx.fillStyle = sketchColor;
      else if ( tool === 'eraser' ) {
        // magical erase thing will go here!

  // when mouse goes up, stop de-sketching