Adds ImageData set support for legacy safari
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@ -481,7 +481,7 @@ if (typeof PDFJS === 'undefined') {
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}
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})();
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// Support: IE<11, Chrome<21, Android<4.4
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// Support: IE<11, Chrome<21, Android<4.4, Safari<6
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(function checkSetPresenceInImageData() {
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// IE < 11 will use window.CanvasPixelArray which lacks set function.
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if (window.CanvasPixelArray) {
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@ -495,21 +495,21 @@ if (typeof PDFJS === 'undefined') {
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} else {
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// Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
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// Because we cannot feature detect it, we rely on user agent parsing.
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var polyfill = false;
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var polyfill = false, versionMatch;
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if (navigator.userAgent.indexOf('Chrom') >= 0) {
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var versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
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if (versionMatch && parseInt(versionMatch[2]) < 21) {
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versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
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// Chrome < 21 lacks the set function.
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polyfill = true;
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}
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polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
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} else if (navigator.userAgent.indexOf('Android') >= 0) {
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// Android < 4.4 lacks the set function.
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// Android >= 4.4 will contain Chrome in the user agent,
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// thus pass the Chrome check above and not reach this block.
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var isOldAndroid = /Android\s[0-4][^\d]/g.test(navigator.userAgent);
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if (isOldAndroid) {
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polyfill = true;
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}
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polyfill = /Android\s[0-4][^\d]/g.test(navigator.userAgent);
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} else if (navigator.userAgent.indexOf('Safari') >= 0) {
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versionMatch = navigator.userAgent.
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match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
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// Safari < 6 lacks the set function.
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polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
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}
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if (polyfill) {
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