15 lines
392 B
CoffeeScript
15 lines
392 B
CoffeeScript
Polyfill =
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init: ->
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<% if (type === 'crx') { %>
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@toBlob()
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<% } %>
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toBlob: ->
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HTMLCanvasElement::toBlob or= (cb) ->
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data = atob @toDataURL()[22..]
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# DataUrl to Binary code from Aeosynth's 4chan X repo
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l = data.length
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ui8a = new Uint8Array l
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for i in [0...l] by 1
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ui8a[i] = data.charCodeAt i
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cb new Blob [ui8a], type: 'image/png'
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