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| function img2table( img ){ | |
| var canvas = document.createElement('canvas') | |
| , ctx = canvas.getContext('2d') | |
| , table = document.createElement('table') | |
| , width = canvas.width = img.width | |
| , height = canvas.height = img.height | |
| , pixels | |
| , i, j, l1, l2 | |
| , tr, td, r, g, b | |
| table.width = width + 'px' | |
| table.height = height + 'px' | |
| table.cellPadding = '0' | |
| table.cellSpacing = '0' | |
| ctx.drawImage(img, 0, 0, width, height) | |
| pixels = ctx.getImageData(0, 0, width, height) | |
| for ( i = 0, l1 = pixels.data.length; i < l1; ){ | |
| tr = document.createElement('tr') | |
| for ( j = i, l2 = i + width * 4; j < l2; j+= 4 ){ | |
| td = document.createElement('td') | |
| r = pixels.data[j] | |
| g = pixels.data[j+1] | |
| b = pixels.data[j+2] | |
| td.style.backgroundColor = '#' + r.toString(16) + g.toString(16) + b.toString(16) | |
| td.width = '1px' | |
| td.height = '1px' | |
| tr.appendChild(td) | |
| } | |
| table.appendChild(tr) | |
| i = j | |
| } | |
| return table | |
| } | |
| var img = document.createElement('img') | |
| img.src = 'http://somedomain.com/path/to/image.jpeg' | |
| img.onload = function(){ | |
| document.body.appendChild(img2table(img)) | |
| } |
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