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copied!<p>Try put this in Javascript code:</p> <pre><code>var canvas; $(function () { canvas = window._canvas = new fabric.Canvas('c'); fabric.Labeledrect = fabric.util.createClass(fabric.Rect, { type: 'labeledRect', initialize: function (options) { options || (options = {}); this.callSuper('initialize', options); this.set('label', options.label); this.set('id', options.id); }, toObject: function () { return fabric.util.object.extend(this.callSuper('toObject'), { label: this.get('label'), id: this.get('id') }); }, _render: function (ctx) { this.callSuper('_render', ctx); ctx.font = '10px Helvetica'; ctx.fillStyle = '#333'; ctx.fillText(this.label, -this.width / 2, -this.height / 2 + 10); ctx.fillText(this.id, -this.width / 2, -this.height / 2 + 30); } }); fabric.Labeledrect.fromObject = function (object, callback) { return new fabric.Labeledrect(object); } fabric.Labeledrect.async = true; }); function voegObjectToe() { var myObjects = document.getElementById("myObjects"); var kenmerk = myObjects.options[myObjects.selectedIndex].text; //nieuw object var rect = new fabric.Labeledrect({ left: canvas.width / 2, top: canvas.height / 2 }); if (kenmerk == 'Camper') { rect.set({ width: 80, height: 50, fill: '#faa', label: 'Camper', id: document.getElementById("myObject").value }); } else if (kenmerk == 'Caravan') { rect.set({ width: 80, height: 60, fill: '#3ac', label: 'Caravan', id: document.getElementById("myObject").value }); } else if (kenmerk == 'Auto') { rect.set({ width: 70, height: 40, fill: '#bbb', label: 'Auto', id: document.getElementById("myObject").value }); } else if (kenmerk == "Boot") { rect.set({ width: 150, height: 60, fill: '#8d1', label: 'Boot', id: document.getElementById("myObject").value }); } canvas.add(rect); rect.set({ label: kenmerk + ' ' + rect.width * 7 + ' cm', rx: 8, ry: 8 }); canvas.renderAll(); } function saveCanvas() { js = JSON.stringify(canvas.toDatalessJSON()); } function loadCanvas() { //window.alert(js); canvas.clear(); canvas.loadFromDatalessJSON(js); canvas.renderAll(); } </code></pre>

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