JSFiddle - React, Tailwind, and code Playground
by ecropolis
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<div id="photo">
</div>
CSS
body {
background-color: ivory;
}
canvas {
border:1px solid red;
}
JavaScript
Raphael.fn.line = function(startX, startY, endX, endY){
return this.path('M' + startX + ' ' + startY + ' L' + endX + ' ' + endY);
};
Raphael.fn.connect = function(obj1, obj2, attribs) {
// list of paths each object has
if (!obj1.connections) obj1.connections = []
if (!obj2.connections) obj2.connections = []
// get the bounding box of each object
var box1 = obj1.getBBox()
var box2 = obj2.getBBox()
// create a line/path from object 1 to object 2
var p = this.path("M" + (box1.x + box1.width / 2) + ","
+ (box1.y + box1.height / 2) + "L" + (box2.x + box2.width / 2)
+ "," + (box2.y + box2.height / 2))
// adjust attributes of the path
p.attr(attribs)
// set the start and end element for this path
p.startElement = obj1;
p.endElement = obj2;
// add the path to each of the object
obj1.connections.push(p)
obj2.connections.push(p)
// mark each object as being connected
obj1.connected = true;
obj2.connected = true;
// listen for the Raphael frame event
eve.on("raphael.drag.*", function(obj) {
// if the object the frame event is fired on is connected
if (this.connected) {
// for each connection on this object
for ( var c in this.connections) {
var path = this.connections[c]; // temp path
var b1 = path.startElement.getBBox(); // get the current
// location of start
// element
var b2 = path.endElement.getBBox();// get the current location
// of end element
// move the path to the new locations
path.attr({
path : "M " + (b1.x + b1.width / 2) + " "
+ (b1.y + b1.height / 2) + "L "
+ (b2.x + b2.width / 2) + " "
...