From 9dd7b79704c8dd5b83cf78b59909103cc8beab93 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Fri, 23 Aug 2024 08:32:07 +0900
Subject: [PATCH] Create EmAvatar.vue

---
 packages/embed/src/components/EmAvatar.vue | 270 +++++++++++++++++++++
 1 file changed, 270 insertions(+)
 create mode 100644 packages/embed/src/components/EmAvatar.vue

diff --git a/packages/embed/src/components/EmAvatar.vue b/packages/embed/src/components/EmAvatar.vue
new file mode 100644
index 0000000000..ba0f31f52f
--- /dev/null
+++ b/packages/embed/src/components/EmAvatar.vue
@@ -0,0 +1,270 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<component :is="link ? EmA : 'span'" v-bind="bound" class="_noSelect" :class="[$style.root, { [$style.cat]: user.isCat }]" :style="{ color }" :title="acct(user)" @click="onClick">
+	<MkImgWithBlurhash :class="$style.inner" :src="url" :hash="user.avatarBlurhash" :cover="true" :onlyAvgColor="true"/>
+	<MkUserOnlineIndicator v-if="indicator" :class="$style.indicator" :user="user"/>
+	<div v-if="user.isCat" :class="[$style.ears]">
+		<div :class="$style.earLeft">
+			<div v-if="false" :class="$style.layer">
+				<div :class="$style.plot" :style="{ backgroundImage: `url(${JSON.stringify(url)})` }"/>
+				<div :class="$style.plot" :style="{ backgroundImage: `url(${JSON.stringify(url)})` }"/>
+				<div :class="$style.plot" :style="{ backgroundImage: `url(${JSON.stringify(url)})` }"/>
+			</div>
+		</div>
+		<div :class="$style.earRight">
+			<div v-if="false" :class="$style.layer">
+				<div :class="$style.plot" :style="{ backgroundImage: `url(${JSON.stringify(url)})` }"/>
+				<div :class="$style.plot" :style="{ backgroundImage: `url(${JSON.stringify(url)})` }"/>
+				<div :class="$style.plot" :style="{ backgroundImage: `url(${JSON.stringify(url)})` }"/>
+			</div>
+		</div>
+	</div>
+	<img
+		v-for="decoration in user.avatarDecorations"
+		:class="[$style.decoration]"
+		:src="getDecorationUrl(decoration)"
+		:style="{
+			rotate: getDecorationAngle(decoration),
+			scale: getDecorationScale(decoration),
+			translate: getDecorationOffset(decoration),
+		}"
+		alt=""
+	>
+</component>
+</template>
+
+<script lang="ts" setup>
+import { watch, ref, computed, inject } from 'vue';
+import * as Misskey from 'misskey-js';
+import MkImgWithBlurhash from '../MkImgWithBlurhash.vue';
+import EmA from './EmA.vue';
+import { getStaticImageUrl } from '@/scripts/media-proxy.js';
+import { extractAvgColorFromBlurhash } from '@/scripts/extract-avg-color-from-blurhash.js';
+import { acct, userPage } from '@/filters/user.js';
+import MkUserOnlineIndicator from '@/components/MkUserOnlineIndicator.vue';
+
+const props = withDefaults(defineProps<{
+	user: Misskey.entities.User;
+	target?: string | null;
+	link?: boolean;
+	preview?: boolean;
+	indicator?: boolean;
+}>(), {
+	target: null,
+	link: false,
+	preview: false,
+	indicator: false,
+});
+
+const emit = defineEmits<{
+	(ev: 'click', v: MouseEvent): void;
+}>();
+
+const bound = computed(() => props.link
+	? { to: userPage(props.user), target: props.target }
+	: {});
+
+const url = computed(() => {
+	if (props.user.avatarUrl == null) return null;
+	return props.user.avatarUrl;
+});
+
+function onClick(ev: MouseEvent): void {
+	if (props.link) return;
+	emit('click', ev);
+}
+
+function getDecorationUrl(decoration: Omit<Misskey.entities.UserDetailed['avatarDecorations'][number], 'id'>) {
+	return decoration.url;
+}
+
+function getDecorationAngle(decoration: Omit<Misskey.entities.UserDetailed['avatarDecorations'][number], 'id'>) {
+	const angle = decoration.angle ?? 0;
+	return angle === 0 ? undefined : `${angle * 360}deg`;
+}
+
+function getDecorationScale(decoration: Omit<Misskey.entities.UserDetailed['avatarDecorations'][number], 'id'>) {
+	const scaleX = decoration.flipH ? -1 : 1;
+	return scaleX === 1 ? undefined : `${scaleX} 1`;
+}
+
+function getDecorationOffset(decoration: Omit<Misskey.entities.UserDetailed['avatarDecorations'][number], 'id'>) {
+	const offsetX = decoration.offsetX ?? 0;
+	const offsetY = decoration.offsetY ?? 0;
+	return offsetX === 0 && offsetY === 0 ? undefined : `${offsetX * 100}% ${offsetY * 100}%`;
+}
+
+const color = ref<string | undefined>();
+
+watch(() => props.user.avatarBlurhash, () => {
+	if (props.user.avatarBlurhash == null) return;
+	color.value = extractAvgColorFromBlurhash(props.user.avatarBlurhash);
+}, {
+	immediate: true,
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	position: relative;
+	display: inline-block;
+	vertical-align: bottom;
+	flex-shrink: 0;
+	border-radius: 100%;
+	line-height: 16px;
+}
+
+.inner {
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	top: 0;
+	border-radius: 100%;
+	z-index: 1;
+	overflow: clip;
+	object-fit: cover;
+	width: 100%;
+	height: 100%;
+}
+
+.indicator {
+	position: absolute;
+	z-index: 2;
+	bottom: 0;
+	left: 0;
+	width: 20%;
+	height: 20%;
+}
+
+.cat {
+	> .ears {
+		contain: strict;
+		position: absolute;
+		top: -50%;
+		left: -50%;
+		width: 100%;
+		height: 100%;
+		padding: 50%;
+		pointer-events: none;
+
+		> .earLeft,
+		> .earRight {
+			contain: strict;
+			display: inline-block;
+			height: 50%;
+			width: 50%;
+			background: currentColor;
+
+			&::after {
+				contain: strict;
+				content: '';
+				display: block;
+				width: 60%;
+				height: 60%;
+				margin: 20%;
+				background: #df548f;
+			}
+
+			> .layer {
+				contain: strict;
+				position: absolute;
+				top: 0;
+				width: 280%;
+				height: 280%;
+
+				> .plot {
+					contain: strict;
+					position: absolute;
+					width: 100%;
+					height: 100%;
+					clip-path: path('M0 0H1V1H0z');
+					transform: scale(32767);
+					transform-origin: 0 0;
+					opacity: 0.5;
+
+					&:first-child {
+						opacity: 1;
+					}
+
+					&:last-child {
+						opacity: calc(1 / 3);
+					}
+				}
+			}
+		}
+
+		> .earLeft {
+			transform: rotate(37.5deg) skew(30deg);
+
+			&, &::after {
+				border-radius: 25% 75% 75%;
+			}
+
+			> .layer {
+				left: 0;
+				transform:
+					skew(-30deg)
+					rotate(-37.5deg)
+					translate(-2.82842712475%, /* -2 * sqrt(2) */
+										-38.5857864376%); /* 40 - 2 * sqrt(2) */
+
+				> .plot {
+					background-position: 20% 10%; /* ~= 37.5deg */
+
+					&:first-child {
+						background-position-x: 21%;
+					}
+
+					&:last-child {
+						background-position-y: 11%;
+					}
+				}
+			}
+		}
+
+		> .earRight {
+			transform: rotate(-37.5deg) skew(-30deg);
+
+			&, &::after {
+				border-radius: 75% 25% 75% 75%;
+			}
+
+			> .layer {
+				right: 0;
+				transform:
+					skew(30deg)
+					rotate(37.5deg)
+					translate(2.82842712475%, /* 2 * sqrt(2) */
+										-38.5857864376%); /* 40 - 2 * sqrt(2) */
+
+				> .plot {
+					position: absolute;
+					background-position: 80% 10%; /* ~= 37.5deg */
+
+					&:first-child {
+						background-position-x: 79%;
+					}
+
+					&:last-child {
+						background-position-y: 11%;
+					}
+				}
+			}
+		}
+	}
+}
+
+.decoration {
+	position: absolute;
+	z-index: 1;
+	top: -50%;
+	left: -50%;
+	width: 200%;
+	pointer-events: none;
+}
+</style>