X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/dc1231b7312fbdca99e9e887cc2bb35a28f85cdc..03f2fa83c13c1b532284205fa7efcab9b8b2c41f:/wp-includes/js/wp-emoji-loader.js diff --git a/wp-includes/js/wp-emoji-loader.js b/wp-includes/js/wp-emoji-loader.js index 619157f7..a495f355 100644 --- a/wp-includes/js/wp-emoji-loader.js +++ b/wp-includes/js/wp-emoji-loader.js @@ -26,25 +26,33 @@ context.textBaseline = 'top'; context.font = '600 32px Arial'; - if ( type === 'flag' ) { + if ( 'flag' === type ) { /* * This works because the image will be one of three things: * - Two empty squares, if the browser doesn't render emoji - * - Two squares with 'G' and 'B' in them, if the browser doesn't render flag emoji - * - The British flag + * - Two squares with 'A' and 'U' in them, if the browser doesn't render flag emoji + * - The Australian flag * * The first two will encode to small images (1-2KB data URLs), the third will encode * to a larger image (4-5KB data URL). */ - context.fillText( String.fromCharCode( 55356, 56812, 55356, 56807 ), 0, 0 ); + context.fillText( String.fromCharCode( 55356, 56806, 55356, 56826 ), 0, 0 ); return canvas.toDataURL().length > 3000; } else { - /* - * This creates a smiling emoji, and checks to see if there is any image data in the - * center pixel. In browsers that don't support emoji, the character will be rendered - * as an empty square, so the center pixel will be blank. - */ - context.fillText( String.fromCharCode( 55357, 56835 ), 0, 0 ); + if ( 'simple' === type ) { + /* + * This creates a smiling emoji, and checks to see if there is any image data in the + * center pixel. In browsers that don't support emoji, the character will be rendered + * as an empty square, so the center pixel will be blank. + */ + context.fillText( String.fromCharCode( 55357, 56835 ), 0, 0 ); + } else { + /* + * To check for Unicode 8 support, let's try rendering the most important advancement + * that the Unicode Consortium have made in years: the burrito. + */ + context.fillText( String.fromCharCode( 55356, 57135 ), 0, 0 ); + } return context.getImageData( 16, 16, 1, 1 ).data[0] !== 0; } } @@ -58,8 +66,9 @@ } settings.supports = { - simple: browserSupportsEmoji( 'simple' ), - flag: browserSupportsEmoji( 'flag' ) + simple: browserSupportsEmoji( 'simple' ), + flag: browserSupportsEmoji( 'flag' ), + unicode8: browserSupportsEmoji( 'unicode8' ) }; settings.DOMReady = false; @@ -67,7 +76,7 @@ settings.DOMReady = true; }; - if ( ! settings.supports.simple || ! settings.supports.flag ) { + if ( ! settings.supports.simple || ! settings.supports.flag || ! settings.supports.unicode8 ) { ready = function() { settings.readyCallback(); };