Move photo implementation to vue component

This commit is contained in:
Joscha 2025-03-26 21:14:46 +01:00
parent 1a6431b922
commit df9880284c
2 changed files with 184 additions and 180 deletions

View file

@ -4,188 +4,11 @@
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, height=device-height, initial-scale=1, user-scalable=0"
content="width=device-width, initial-scale=1.0, user-scalable=no"
/>
<title>Instant Photo</title>
<style>
body {
margin: 0;
background-color: black;
}
video {
position: absolute;
width: 100%;
height: 100%;
}
video.mirrored {
scale: -1 1;
}
#button {
position: absolute;
bottom: 20px;
left: 50%;
transform: translateX(-50%);
width: 100px;
height: 100px;
border: 10px solid #f00;
border-radius: 100px;
background-color: transparent;
}
#button:active {
border-color: #fff;
}
#button .circle {
width: 60px;
height: 60px;
border-radius: 60px;
margin: auto;
background-color: #f00;
}
#button:active .circle {
background-color: #a00;
}
#flip {
position: absolute;
bottom: 20px;
right: 20px;
box-sizing: border-box;
width: 60px;
height: 60px;
background-color: transparent;
border: 5px solid #fff;
border-radius: 100px;
touch-action: manipulation;
}
#flip:active {
background-color: #fff;
}
#flip svg {
width: 60%;
height: 60%;
position: relative;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
#flip:active path {
fill: #000;
}
#cover {
position: absolute;
width: 100%;
height: 100%;
background-color: white;
transition: background-color 100ms linear;
}
#cover.hidden {
background-color: transparent;
pointer-events: none;
}
</style>
<script type="module">
const video = document.getElementById("video");
const button = document.getElementById("button");
const flip = document.getElementById("flip");
const cover = document.getElementById("cover");
const facing = new URLSearchParams(window.location.search).get("facing");
function getStreamFacingMode(stream) {
if (!stream) return null;
const videos = stream.getVideoTracks();
if (videos.length === 0) return null;
const video = videos[0];
return video.getSettings().facingMode;
}
async function initStream(facingMode) {
// Display video
let stream = await navigator.mediaDevices.getUserMedia({
video: { facingMode: { ideal: facingMode } },
});
video.srcObject = stream;
// Flip video horizontally if it's facing the user
const facing = getStreamFacingMode(stream);
if (facing !== "environment") {
video.classList.add("mirrored");
}
// Enable or disable flip button
const canFlip = facing !== undefined;
const facingOpposite = facing === "user" ? "environment" : "user";
flip.hidden = !canFlip;
flip.setAttribute("href", `?facing=${facingOpposite}`);
}
initStream(facing).then(() => {
async function waitAtLeast(duration, since) {
const now = Date.now();
const wait = duration - (now - since);
if (wait > 0) {
await new Promise((resolve) => setTimeout(resolve, wait));
}
}
button.addEventListener("click", () => {
const canvas = document.createElement("canvas");
const scale = 384 / video.videoWidth;
canvas.width = video.videoWidth * scale;
canvas.height = video.videoHeight * scale;
canvas
.getContext("2d")
.drawImage(video, 0, 0, canvas.width, canvas.height);
canvas.toBlob(async (blob) => {
const form = new FormData();
form.append("image", blob);
form.append("caption", new Date().toLocaleString());
const start = Date.now();
cover.classList.remove("hidden");
try {
await fetch("api/image", { method: "POST", body: form });
} catch (e) {
console.error("Error uploading image:", e);
}
await waitAtLeast(500, start);
cover.classList.add("hidden");
});
});
});
</script>
</head>
<body>
<video id="video" autoplay playsinline></video>
<button id="button"><div class="circle"></div></button>
<a id="flip" hidden>
<svg viewBox="0 0 6 6">
<path fill="#fff" stroke="none" d="M0,2h1v4h1v-4h1l-1.5,-2"></path>
<path fill="#fff" stroke="none" d="M3,4h1v-4h1v4h1l-1.5,2"></path>
</svg>
</a>
<div id="cover" class="hidden"></div>
<div id="app"></div>
<script type="module" src="/src/photo.ts"></script>
</body>

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@ -1,5 +1,186 @@
<script setup lang="ts"></script>
<script setup lang="ts">
import { onMounted } from "vue";
onMounted(async () => {
const video = document.getElementById("video") as HTMLVideoElement;
const button = document.getElementById("button") as HTMLButtonElement;
const flip = document.getElementById("flip") as HTMLAnchorElement;
const cover = document.getElementById("cover") as HTMLDivElement;
const facing =
new URLSearchParams(window.location.search).get("facing") ?? undefined;
function getStreamFacingMode(stream: MediaStream): string | undefined {
const videos = stream.getVideoTracks();
if (videos.length === 0) return undefined;
const video = videos[0];
return video?.getSettings().facingMode;
}
async function initStream(facingMode?: string) {
// Display video
let stream = await navigator.mediaDevices.getUserMedia({
video: { facingMode: { ideal: facingMode } },
});
video.srcObject = stream;
// Flip video horizontally if it's facing the user
const facing = getStreamFacingMode(stream);
if (facing !== "environment") {
video.classList.add("mirrored");
}
// Enable or disable flip button
const canFlip = facing !== undefined;
const facingOpposite = facing === "user" ? "environment" : "user";
flip.hidden = !canFlip;
flip.setAttribute("href", `?facing=${facingOpposite}`);
}
await initStream(facing);
async function waitAtLeast(duration: number, since: number) {
const now = Date.now();
const wait = duration - (now - since);
if (wait > 0) {
await new Promise((resolve) => setTimeout(resolve, wait));
}
}
button.addEventListener("click", () => {
const canvas = document.createElement("canvas");
const scale = 384 / video.videoWidth;
canvas.width = video.videoWidth * scale;
canvas.height = video.videoHeight * scale;
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
const ctx = canvas.getContext("2d")!;
ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
// eslint-disable-next-line @typescript-eslint/no-misused-promises
canvas.toBlob(async (blob) => {
if (blob === null) return;
const form = new FormData();
form.append("image", blob);
form.append("caption", new Date().toLocaleString());
const start = Date.now();
cover.classList.remove("hidden");
try {
await fetch("api/image", { method: "POST", body: form });
} catch (e) {
console.error("Error uploading image:", e);
}
await waitAtLeast(500, start);
cover.classList.add("hidden");
});
});
});
</script>
<template>
<noscript>Booh!</noscript>
<video id="video" autoplay playsinline></video>
<button id="button"><div class="circle"></div></button>
<a id="flip" hidden>
<svg viewBox="0 0 6 6">
<path fill="#fff" stroke="none" d="M0,2h1v4h1v-4h1l-1.5,-2"></path>
<path fill="#fff" stroke="none" d="M3,4h1v-4h1v4h1l-1.5,2"></path>
</svg>
</a>
<div id="cover" class="hidden"></div>
</template>
<style>
body {
margin: 0;
background-color: black;
}
video {
position: absolute;
width: 100%;
height: 100%;
}
video.mirrored {
scale: -1 1;
}
#button {
position: absolute;
bottom: 20px;
left: 50%;
transform: translateX(-50%);
width: 100px;
height: 100px;
border: 10px solid #f00;
border-radius: 100px;
background-color: transparent;
}
#button:active {
border-color: #fff;
}
#button .circle {
width: 60px;
height: 60px;
border-radius: 60px;
margin: auto;
background-color: #f00;
}
#button:active .circle {
background-color: #a00;
}
#flip {
position: absolute;
bottom: 20px;
right: 20px;
box-sizing: border-box;
width: 60px;
height: 60px;
background-color: transparent;
border: 5px solid #fff;
border-radius: 100px;
touch-action: manipulation;
}
#flip:active {
background-color: #fff;
}
#flip svg {
width: 60%;
height: 60%;
position: relative;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
#flip:active path {
fill: #000;
}
#cover {
position: absolute;
width: 100%;
height: 100%;
background-color: white;
transition: background-color 100ms linear;
}
#cover.hidden {
background-color: transparent;
pointer-events: none;
}
</style>