mirror of
https://github.com/openseadragon/openseadragon.git
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76 lines
3.1 KiB
HTML
76 lines
3.1 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>OpenSeadragon Custom Request Headers Demo</title>
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<script type="text/javascript" src='../../build/openseadragon/openseadragon.js'></script>
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<script type="text/javascript" src='../lib/jquery-1.9.1.min.js'></script>
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<style type="text/css">
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.osd-viewer {
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width: 800px;
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height: 600px;
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}
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</style>
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</head>
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<body>
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<p>
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Demo of how the loadTilesWithAjax and ajaxHeaders options as well as the getTileHeaders() method on TileSource can be applied.
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</p>
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<p>
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Examine the network requests in your browser developer tools to see the custom headers sent with each request.
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</p>
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<div id="contentDiv" class="osd-viewer"></div>
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<script type="text/javascript">
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// These values are generated by a script that concatenates all the tile files and records
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// their byte ranges in a multi-dimensional array.
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var tileManifest = {"tileRanges":[[[[0,3467]]],[[[3467,6954]]],[[[344916,348425]]],[[[348425,351948]]],[[[351948,355576]]],[[[355576,359520]]],[[[359520,364663]]],[[[364663,374196]]],[[[374196,407307]]],[[[407307,435465],[435465,463663]],[[463663,491839],[491839,520078]]],[[[6954,29582],[29582,50315],[50315,71936],[71936,92703]],[[92703,113385],[113385,133265],[133265,154763],[154763,175710]],[[175710,197306],[197306,218807],[218807,242177],[242177,263007]],[[263007,283790],[283790,304822],[304822,325691],[325691,344916]]]],"totalSize":520078}
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// This tile source demonstrates how you can retrieve individual tiles from a single file
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// using the Range header.
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var myCustomTileSource = {
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width: 1000,
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height: 1000,
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tileWidth: 254,
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tileHeight: 254,
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tileOverlap: 1,
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maxLevel: 10,
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minLevel: 0,
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// The tile URL is always the same. Only the Range header changes
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getTileUrl: function () {
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return "/test/data/testpattern.blob";
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},
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// This method will send the appropriate range header for this tile based on the data
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// in tileByteRanges.
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getTileAjaxHeaders: function(level, x, y) {
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return {
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Range: "bytes=" + tileManifest.tileRanges[level][x][y].join("-") + "/" + tileManifest.totalSize
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};
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},
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};
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var viewer = OpenSeadragon({
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id: "contentDiv",
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prefixUrl: "../../build/openseadragon/images/",
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showNavigator: true,
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loadTilesWithAjax: true,
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ajaxHeaders: {
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// Example of using the viewer-level ajaxHeaders option
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// for providing an authentication token.
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"Authentication": "Bearer MY_AUTH_TOKEN"
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}
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});
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viewer.addTiledImage({
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// The headers specified here will be combined with those in the Viewer object (if any)
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ajaxHeaders: {
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"X-My-TiledImage-Header": "Something"
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},
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tileSource: myCustomTileSource
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});
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</script>
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</body>
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</html>
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