xenofem/poop-graph
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Add buttons to open shareable data URLs

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xenofem 2022-10-22 22:48:20 -04:00
parent 5cb8ca0732
commit 461097f046
2 changed files with 37 additions and 0 deletions
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19
static/poopGraph.js
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@ -133,6 +133,17 @@ function maxExcludingOmicron(data, start, end) {
return secondMax;
}
function updateShareLink(chart, link) {
const ctx = chart.canvas.getContext('2d');
ctx.save();
ctx.globalCompositeOperation = 'destination-over';
ctx.fillStyle = 'white';
ctx.fillRect(0, 0, chart.width, chart.height);
ctx.restore();
link.href = chart.canvas.toDataURL();
chart.update();
}
function plot(data) {
const northData = extractWithErrorBars(data, 'Northern');
const southData = extractWithErrorBars(data, 'Southern');
@ -329,4 +340,12 @@ function plot(data) {
cutOmicronInput.addEventListener('change', (e) => {
update();
});
const northShare = document.getElementById('northShare');
northShare.addEventListener('click', () => {
updateShareLink(northChart, northShare);
});
const southShare = document.getElementById('southShare');
southShare.addEventListener('click', () => {
updateShareLink(southChart, southShare);
});
}