Created
April 9, 2019 11:42
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TrackingJs - Web Compoment Objects Detection
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <!-- Importing Web Component's Polyfill --> | |
| <script src="bower/platform/platform.js"></script> | |
| <!-- Importing Custom Elements --> | |
| <link rel="import" href="../src/image-object-tracking.html"> | |
| </head> | |
| <body> | |
| <!-- Using Custom Elements --> | |
| <img is="image-object-tracking" target="face" src="assets/faces.png" /><!-- HERE THE WEB COMPONENT --> | |
| <script> | |
| var img = document.querySelector('img'); | |
| // Fires when faces are found on the image. | |
| img.addEventListener('track', function(event) { | |
| event.detail.data.forEach(function(rect) { | |
| plotRectangle(img, rect); // process received data and plot a rectangle on detected objects | |
| }); | |
| }); | |
| function plotRectangle(el, rect) { | |
| var div = document.createElement('div'); | |
| div.style.position = 'absolute'; | |
| div.style.border = '2px solid ' + (rect.color || 'magenta'); | |
| div.style.width = rect.width + 'px'; | |
| div.style.height = rect.height + 'px'; | |
| div.style.left = el.offsetLeft + rect.x + 'px'; | |
| div.style.top = el.offsetTop + rect.y + 'px'; | |
| document.body.appendChild(div); | |
| return div; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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