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- import defined from "../Core/defined.js";
- function DiscardEmptyTileImagePolicy(options) {}
- DiscardEmptyTileImagePolicy.prototype.isReady = function () {
- return true;
- };
- DiscardEmptyTileImagePolicy.prototype.shouldDiscardImage = function (image) {
- return DiscardEmptyTileImagePolicy.EMPTY_IMAGE === image;
- };
- var emptyImage;
- Object.defineProperties(DiscardEmptyTileImagePolicy, {
-
- EMPTY_IMAGE: {
- get: function () {
- if (!defined(emptyImage)) {
- emptyImage = new Image();
-
- emptyImage.src =
- "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=";
- }
- return emptyImage;
- },
- },
- });
- export default DiscardEmptyTileImagePolicy;
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