| <?xml version="1.0" encoding="utf-8"?> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <title>Cursor position and drag image</title> |
| <script type="application/ecmascript"> |
| function start(event) |
| {event.dataTransfer.effectAllowed = 'copy'; |
| event.dataTransfer.setDragImage(document.querySelector('canvas'), 50, 50);} |
| </script> |
| </head> |
| <body> |
| <p><a href="data:text/plain,1" ondragstart="start(event)">Drag me</a></p> |
| <p>Try to drag link above. Feedback overlay should be based on canvas below and mouse pointer should be anchored in its center.</p> |
| <p> |
| <canvas width="100" height="100">Canvas</canvas> |
| </p> |
| <script type="application/ecmascript"> |
| var canvas = document.querySelector('canvas'), |
| c = canvas.getContext('2d'); |
| for(var x = 0; x != 50; x++) |
| {c.fillStyle = (x%2 == 0)?'navy':'white'; |
| c.beginPath(); |
| c.moveTo(x,x); |
| c.lineTo(100-x,x); |
| c.lineTo(100-x,100-x); |
| c.lineTo(x,100-x); |
| c.closePath(); |
| c.fill();} |
| </script> |
| </body> |
| </html> |
