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Use Modernizr.canvastext instead of reinventing the wheel in the emoji #391

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merged 1 commit into from
Oct 17, 2011
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Use Modernizr.canvastext instead of reinventing the wheel in the emoji #391

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16 changes: 9 additions & 7 deletions feature-detects/emoji.js
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Original file line number Diff line number Diff line change
@@ -1,9 +1,11 @@
// Requires a Modernizr build with `canvastest` included
// http://www.modernizr.com/download/#-canvas-canvastext
Modernizr.addTest('emoji', function() {
var node = document.createElement('canvas');
if (!(node.getContext && node.getContext('2d'))) return false;
var ctx = node.getContext('2d');
ctx.textBaseline = "top";
ctx.font = "32px Arial";
ctx.fillText("😃", 0, 0);
if (!Modernizr.canvastext) return false;
var node = document.createElement('canvas'),
ctx = node.getContext('2d');
ctx.textBaseline = 'top';
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OMG IT SAYS DUDE

ctx.font = '32px Arial';
ctx.fillText('\ud83d\ude03', 0, 0); // "smiling face with open mouth" emoji
return ctx.getImageData(16, 16, 1, 1).data[0] != 0;
});
});