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add example how to use svgpathtools in JS with Pyodide

pull/158/head
Andrew Port 2021-10-04 21:24:04 -07:00
parent 39d3ba713f
commit 09ce497a4f
1 changed files with 62 additions and 0 deletions
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examples/wasm-via-pyodide-example.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://cdn.jsdelivr.net/pyodide/v0.18.1/full/pyodide.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<meta charset="utf-8" />
<title>svgpathtools in JS!</title>
</head>
<body>
<button id="go_button" onclick="tick()" hidden>Click Me!</button>
<br />
<br />
<div>Output:</div>
<label for="output"></label>
<textarea id="output" style="width: 100%;" rows="6" disabled></textarea>
<svg height="100" width="100">
<circle cx="50" cy="50" r="40" stroke-width="2" stroke="black" fill="blue"/>
<path id="ticker" d="M 50 50 L 50 15" stroke-width="2" stroke="black"/>
<circle cx="50" cy="50" r="3" stroke-width="2" stroke="black" fill="green"/>
Sorry, your browser does not support inline SVG.
</svg>
<script>
// init Pyodide environment and install svgpathtools
async function main() {
let pyodide = await loadPyodide({
indexURL: "https://cdn.jsdelivr.net/pyodide/v0.18.1/full/",
});
await pyodide.loadPackage("micropip");
pyodide.runPythonAsync(`
import micropip
await micropip.install('svgpathtools')
`);
output.value += "svgpathtools is ready!\n";
return pyodide;
}
async function tick() {
let clock_hand = document.getElementById("ticker");
let pyodide = await pyodideReadyPromise;
try {
let result = pyodide.runPython(`
from svgpathtools import parse_path
parse_path('${clock_hand.getAttribute('d')}').rotated(45, origin=50+50j).d()
`);
clock_hand.setAttribute('d', result);
} catch (err) {
output.value += err;
}
}
let pyodideReadyPromise = main();
$(document).ready(function(){
const output = document.getElementById("output");
output.value = "Initializing...\n";
document.getElementById("go_button").removeAttribute('hidden');
});
</script>
</body>
</html>