var temp = URL.createObjectURL(gui1.getValue("Image Chooser"));

  gui1.setValue("Image", temp);

  img = loadImage(temp, drawImg);

  imageDropped = true;

  drawImg();

​

}

​

function changeLine() {

  lineType = gui1.getValue("Draw Style").value;

  drawImg();

}

​

function saveImage() {

  saveCanvas('canvas', '.png');

  //saveCanvas(c, 'myCanvas', 'png');

}

​

function changeBowing() {

  bowing = gui1.getValue("Bowing");

  scribble.bowing = bowing; // changes the bowing of lines

  drawImg();

}

​

function changeRoughness() {

  roughness = gui1.getValue("Roughness");

  scribble.roughness = roughness; // changes the roughness of the lines

  drawImg();

}

​

function changeSpacing() {

  spacing = gui1.getValue("Spacing");

  drawImg();

}

​

function changeThreshold() {

  threshold = gui1.getValue("Threshold");

  drawImg();

}

​

function changeWeight() {

  weight = gui1.getValue("Stroke Weight");

  strokeWeight(weight);

  drawImg();

}

​

function changeBrightness() {

  brightnessRange = gui1.getValue("Brightness");

  drawImg();

}