24 lines
460 B
JavaScript
24 lines
460 B
JavaScript
goog.provide('ol.canvas');
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goog.require('goog.dom');
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goog.require('goog.dom.TagName');
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/**
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* Is supported.
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* @const
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* @type {boolean}
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*/
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ol.canvas.SUPPORTED = (function() {
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if (!('HTMLCanvasElement' in goog.global)) {
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return false;
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}
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try {
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var canvas = /** @type {HTMLCanvasElement} */
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(goog.dom.createElement(goog.dom.TagName.CANVAS));
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return !goog.isNull(canvas.getContext('2d'));
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} catch (e) {
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return false;
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}
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})();
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