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qrcode.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no" />
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/[email protected]/dist/cdn/perspective-viewer.js"></script>
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/[email protected]/dist/cdn/perspective-viewer-datagrid.js"></script>
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/[email protected]/dist/cdn/perspective-viewer-d3fc.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
<link rel="preload" href="https://cdn.jsdelivr.net/npm/@finos/perspective/dist/cdn/perspective-server.js" as="fetch" type="application/javascript" crossorigin="anonymous" />
<link rel="preload" href="https://cdn.jsdelivr.net/npm/@finos/perspective/dist/cdn/perspective-server.wasm" as="fetch" type="application/wasm" crossorigin="anonymous" />
<link rel="preload" href="https://cdn.jsdelivr.net/npm/@finos/perspective-viewer/dist/cdn/perspective-viewer.wasm" as="fetch" type="application/wasm" crossorigin="anonymous" />
<link rel="stylesheet" crossorigin="anonymous" href="https://cdn.jsdelivr.net/npm/@finos/perspective-viewer/dist/css/themes.css" />
<script type="module">
import perspective from "https://cdn.jsdelivr.net/npm/@finos/[email protected]/dist/cdn/perspective.js";
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: "https://github.com/ProspectiveCo/databricks-conf-talk-june-2024",
width: 256,
height: 256,
correctLevel: QRCode.CorrectLevel.L,
});
let psp_data = [];
for (const row in qrcode._oQRCode.modules) {
for (const col in qrcode._oQRCode.modules[row]) {
psp_data.push({ row, col, val: qrcode._oQRCode.modules[row][col] ? 1 : 0 });
}
}
const worker = await perspective.worker();
const viewer = document.getElementsByTagName("perspective-viewer")[0];
const table = worker.table(psp_data);
viewer.load(table);
viewer.restore({
version: "2.10.1",
plugin: "Datagrid",
plugin_config: {
columns: {},
scroll_lock: false,
},
columns_config: {
val: {
number_bg_mode: "color",
pos_bg_color: "#000000",
neg_bg_color: "#ffa38f",
},
},
settings: true,
theme: "Pro Light",
title: null,
group_by: ["row"],
split_by: ["col"],
columns: ["val"],
filter: [],
sort: [],
expressions: {},
aggregates: {},
});
</script>
<style>
#qrcode {
display: none;
}
perspective-viewer {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
}
</style>
</head>
<body>
<div id="qrcode"></div>
<perspective-viewer></perspective-viewer>
</body>
</html>