From 4f03f2401cc7bc58420dd2236ffb6c3424c79b32 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Tue, 4 Oct 2022 11:43:01 -0700
Subject: higher res QR in full screen

---
 src/components/Qr.svelte | 62 +++++++++++++++++++++++++++++-------------------
 1 file changed, 38 insertions(+), 24 deletions(-)

(limited to 'src')

diff --git a/src/components/Qr.svelte b/src/components/Qr.svelte
index 2a7c6103..099d5fa5 100644
--- a/src/components/Qr.svelte
+++ b/src/components/Qr.svelte
@@ -1,51 +1,65 @@
 <script>
 	import screenfull from 'screenfull';
 	import { browser } from '$app/environment';
-	import { onMount } from 'svelte';
+	import { onMount, tick } from 'svelte';
 	import { copy } from '$lib/utils';
 
-	export let image, text, qr;
+	export let image, text, qr, fullQr, full;
 
-	let toggle = () => screenfull.toggle(qr.firstChild);
+	let toggle = async () => {
+		full = !full;
+		await tick();
+		screenfull.toggle(fullQr.firstChild);
+	};
+
+	let opts = {
+		height: 300,
+		width: 300,
+		type: 'canvas',
+		data: text,
+		backgroundOptions: {
+			color: 'rgba(0, 0, 0, 0)'
+		},
+		cornersSquareOptions: {
+			type: 'extra-rounded'
+		},
+		dotsOptions: {
+			type: 'extra-rounded'
+		},
+
+		image,
+		imageOptions: {
+			hideBackgroundDots: false
+		}
+	};
 
 	$: update(text);
 	let update = async (text, fullscreen) => {
 		if (!(browser && text)) return;
 		let { default: QRCodeStyling } = await import('qr-code-styling');
 
-		const qrCode = new QRCodeStyling({
-			width: 300,
-			type: 'canvas',
-			data: text,
-			backgroundOptions: {
-				color: 'rgba(0, 0, 0, 0)'
-			},
-			cornersSquareOptions: {
-				type: 'extra-rounded'
-			},
-			dotsOptions: {
-				type: 'extra-rounded'
-			},
-
-			image,
-			imageOptions: {
-				hideBackgroundDots: false
-			}
-		});
+		const qrCode = new QRCodeStyling(opts);
+
+		opts.height = Math.min(window.innerWidth, window.innerHeight);
+		opts.width = opts.height;
+		const fullQrCode = new QRCodeStyling(opts);
 
 		while (qr.firstChild) qr.removeChild(qr.lastChild);
 		qrCode.append(qr);
+
+		while (fullQr.firstChild) fullQr.removeChild(fullQr.lastChild);
+		fullQrCode.append(fullQr);
 	};
 </script>
 
-<div bind:this={qr} on:click={toggle} />
+<div bind:this={qr} on:click={toggle} class:hidden={full} />
+<div bind:this={fullQr} on:click={toggle} class:hidden={!full} />
 
 <style>
 	div {
 		@apply w-[300px]
       h-[300px]
       rounded-3xl
-      block
       justify-center
       items-center
       cursor-pointer
-- 
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