16 lines
820 B
JavaScript
16 lines
820 B
JavaScript
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// TODO document this user agent function
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var labelType, useGradients, nativeTextSupport, animate
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;(function () {
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var ua = navigator.userAgent,
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iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
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typeOfCanvas = typeof HTMLCanvasElement,
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nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
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textSupport = nativeCanvasSupport && (typeof document.createElement('canvas').getContext('2d').fillText == 'function')
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// I'm setting this based on the fact that ExCanvas provides text support for IE
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// and that as of today iPhone/iPad current text support is lame
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labelType = (!nativeCanvasSupport || (textSupport && !iStuff)) ? 'Native' : 'HTML'
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nativeTextSupport = labelType == 'Native'
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useGradients = nativeCanvasSupport
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animate = !(iStuff || !nativeCanvasSupport)
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})()
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