Created
November 13, 2016 07:08
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Pixelate image in console.log
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| <html> | |
| <body> | |
| <img src="http://i.imgur.com/0jWrSmF.jpg" width="300" height="234"> | |
| <canvas id="canvas" width=50></canvas> | |
| <script> | |
| var canvas = document.getElementById("canvas"); | |
| var ctx = canvas.getContext("2d"); | |
| img = new Image(); | |
| img.crossOrigin = 'http://profile.ak.fbcdn.net/crossdomain.xml'; | |
| img.onload = function () { | |
| canvas.height = canvas.width * (img.height / img.width); | |
| var oc = document.createElement('canvas'), | |
| octx = oc.getContext('2d'); | |
| oc.width = img.width * 0.5; | |
| oc.height = img.height * 0.5; | |
| octx.drawImage(img, 0, 0, oc.width, oc.height); | |
| octx.drawImage(oc, 0, 0, oc.width * 0.5, oc.height * 0.5); | |
| ctx.drawImage(oc, 0, 0, oc.width * 0.5, oc.height * 0.5, 0, 0, canvas.width, canvas.height); | |
| var string = ""; | |
| var uint8Data = ctx.getImageData(0,0,canvas.width,canvas.height).data; | |
| var data = Array.prototype.slice.call(uint8Data); | |
| var properties = []; | |
| for (i=0;i < data.length;i = i+4) { | |
| if ( ((i / 4) % canvas.width == 0) && i > 0) { | |
| string = string + "\n"; | |
| } | |
| string = string + "%c\u25A0"; | |
| rgba = data.slice(i,i + 4); | |
| properties.push("color:rgba(" + rgba.join(',') +");line-height:0px;font-size:20px;"); | |
| } | |
| properties.unshift(string); | |
| console.log.apply(console, properties); | |
| } | |
| img.src = "http://i.imgur.com/0jWrSmF.jpg"; | |
| </script> | |
| </body> | |
| </html> |
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