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author | Lars Henrik Mai <lars.mai@kontinui.de> | 2014-09-23 08:44:31 +0200 |
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committer | Lars Henrik Mai <lars.mai@kontinui.de> | 2014-09-23 08:44:31 +0200 |
commit | 7fc6575a7a38daa21a26e2b179a92ca809b61eea (patch) | |
tree | 679498b3fd59aa375c6c6ce7ba48ed3d6a6e11d7 /source/bower_components/modernizr/feature-detects/canvas-todataurl-type.js | |
parent | 35239fc1f4641db1e602383b43cc29b151cde9b9 (diff) | |
parent | 1c177d628ffdb693483b1c39b94b5f19adcd8095 (diff) |
Merge branch 'replace-bootstrap-with-foundation'
Diffstat (limited to 'source/bower_components/modernizr/feature-detects/canvas-todataurl-type.js')
-rw-r--r-- | source/bower_components/modernizr/feature-detects/canvas-todataurl-type.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/source/bower_components/modernizr/feature-detects/canvas-todataurl-type.js b/source/bower_components/modernizr/feature-detects/canvas-todataurl-type.js new file mode 100644 index 0000000..bf8f2e3 --- /dev/null +++ b/source/bower_components/modernizr/feature-detects/canvas-todataurl-type.js @@ -0,0 +1,28 @@ +// canvas.toDataURL type support +// http://www.w3.org/TR/html5/the-canvas-element.html#dom-canvas-todataurl + +// This test is asynchronous. Watch out. + +(function () { + + if (!Modernizr.canvas) { + return false; + } + + var image = new Image(), + canvas = document.createElement('canvas'), + ctx = canvas.getContext('2d'); + + image.onload = function() { + ctx.drawImage(image, 0, 0); + + Modernizr.addTest('todataurljpeg', function() { + return canvas.toDataURL('image/jpeg').indexOf('data:image/jpeg') === 0; + }); + Modernizr.addTest('todataurlwebp', function() { + return canvas.toDataURL('image/webp').indexOf('data:image/webp') === 0; + }); + }; + + image.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg=='; +}()); |