(function (window) {
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'use strict';
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function define_CesiumDataView() {
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var CesiumDataView = {};
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CesiumDataView.exportImg = function (options) {
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let canvas = options.viewer.scene.canvas;
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var image = new Image();
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canvas.width=canvas.width/options.level;
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canvas.height=canvas.height/options.level;
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options.viewer.render();
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image = canvas.toDataURL("image/png");
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let link = document.createElement("a");
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let blob = dataURLtoBlob(image);
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let objurl = URL.createObjectURL(blob);
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link.download = "scene.png";
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link.href = objurl;
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link.click();
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}
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function dataURLtoBlob(dataurl) {
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let arr = dataurl.split(','),
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mime = arr[0].match(/:(.*?);/)[1],
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bstr = atob(arr[1]),
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n = bstr.length,
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u8arr = new Uint8Array(n);
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while (n--) {
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u8arr[n] = bstr.charCodeAt(n);
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}
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return new Blob([u8arr], { type: mime });
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}
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return CesiumDataView;
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}
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if (typeof (CesiumDataView) === 'undefined') {
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window.CesiumDataView = define_CesiumDataView();
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} else {
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console.log("CesiumDraw already defined.");
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}
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})(window);
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