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| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Whiteboard</title> | |
| <style> | |
| body { | |
| font-family: 'Montserrat', sans-serif; | |
| } | |
| #whiteboard { | |
| border: 3px solid #088395; | |
| /* Simple black border */ | |
| border-radius: 10px; | |
| /* Rounded corners */ | |
| box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3); | |
| /* Subtle shadow effect */ | |
| background-color: #088395; | |
| } | |
| #capture-button { | |
| background-color: #071952; | |
| color: white; | |
| border: none; | |
| padding: 10px 20px; | |
| cursor: pointer; | |
| font-size: 16px; | |
| border-radius: 3px; | |
| margin-top: 10px; | |
| width: 190px; | |
| margin-right: 20px; | |
| } | |
| #clear-button { | |
| background-color: #F2F7A1; | |
| color: black; | |
| border: none; | |
| padding: 10px 20px; | |
| cursor: pointer; | |
| font-size: 16px; | |
| border-radius: 3px; | |
| margin-top: 10px; | |
| width: 190px; | |
| } | |
| #container { | |
| display: flex; | |
| flex-direction: column; | |
| align-items: center; | |
| justify-content: center; | |
| } | |
| #btn-container { | |
| display: flex; | |
| flex-direction: row; | |
| align-items: center; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h3 style="text-align:center;">Draw and Predict Handwritten Digits</h3> | |
| <div id='container'> | |
| <canvas id="whiteboard" width="400" height="200"></canvas> | |
| <div id='btn-container'> | |
| <button id="capture-button">Predict</button> | |
| <button id="clear-button">Clear</button> | |
| </div> | |
| </div> | |
| <script> | |
| var canvas = document.getElementById('whiteboard'); | |
| var context = canvas.getContext('2d'); | |
| var drawing = false; | |
| context.strokeStyle = 'white'; | |
| canvas.addEventListener('mousedown', function (e) { | |
| drawing = true; | |
| context.beginPath(); | |
| context.moveTo(e.clientX - canvas.getBoundingClientRect().left, e.clientY - canvas.getBoundingClientRect().top); | |
| }); | |
| canvas.addEventListener('mousemove', function (e) { | |
| if (drawing) { | |
| context.lineTo(e.clientX - canvas.getBoundingClientRect().left, e.clientY - canvas.getBoundingClientRect().top); | |
| context.stroke(); | |
| } | |
| }); | |
| canvas.addEventListener('mouseup', function () { | |
| drawing = false; | |
| }); | |
| canvas.addEventListener('mouseout', function () { | |
| drawing = false; | |
| }); | |
| var clearButton = document.getElementById('clear-button'); | |
| clearButton.addEventListener('click', function () { | |
| context.clearRect(0, 0, canvas.width, canvas.height); | |
| }); | |
| var captureButton = document.getElementById('capture-button'); | |
| captureButton.addEventListener('click', function () { | |
| // Convert the canvas content to a data URL (image) | |
| var imageData = canvas.toDataURL("image/png"); | |
| // Send the image data to the Jupyter kernel variable | |
| IPython.notebook.kernel.execute('image_data = "' + imageData + '"'); | |
| }); | |
| </script> | |
| </body> | |
| </html> |