feat(frontend): 自分のプロフィールページの二次元コード(QRコード)を表示し、他の人のコードを読み取りするページを追加 (#16456)

* wip (qr.show.vue)

* added to navbar

* qr.show.vue

* fix

* added to navbar

* fix size

* 🎨

* 🎨

* fix div warn

* fix

* use * 0.25

* fix??

* fix lint

* clean up

* ???

* ?

* fix

* 🎨

* 🎨

* refactor

* 🎨

* 🎨

* :ar:t

* 🎨

* iphone flip

* no lazy import

* 🎨

* 🎨

* 🎨

* ユーザー全部flipでいいや

* ✌️

* fix

* fix

* fix lint

* 🎨

* fix type

* fix: local user profile url cannot be resolved with ap/show

* fix: local user url with hostname could not be resolved

* chore: use common utility for checking self host

* wip

* 🎨

* 🎨

* fix imports

* fix

* fix

* fix

* 🎨

* fix...

* set spacer-w

* ✌️

* 全画面でQRを読むように

* fix

* 🎨

* modify navbar.ts

* start/stop on vue activation

* display raw content read from qr

* 端末のQRをスキャンするボタンを追加

* chore

* やっぱりmfmを先に表示する

* 🎨

* fix 18n

* QRの内容は/users/:userIdにする

* add spdx

* use cqh

* `defineProps` is a compiler macro and no longer needs to be imported.

* use MkUserName

* 🎨

* 🎨

* refactor

* clean up

* refactor

* 🎨

* Update qr.show.vue

* Misskeyロゴにdrop-shadowを追加

* clean up: do not use empty css

* fix os.select usage

* Update qr.vue

* Update qr.show.vue

* Update qr.show.vue

* Update get-user-menu.ts

* ✌️

* Update show.ts

* Update ja-JP.yml

* watermark

* Update CHANGELOG.md

* Update qr.read.vue

* Update qr.read.vue

* wip

* Update MkWatermarkEditorDialog.Layer.vue

---------

Co-authored-by: anatawa12 <anatawa12@icloud.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/components/MkPolkadots.vue

@@ -4,14 +4,18 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div :class="[$style.root, accented ? $style.accented : null]"></div>
+<div :class="[$style.root, accented ? $style.accented : null, revered ? $style.revered : null]"/>
 </template>
 
 <script lang="ts" setup>
 const props = withDefaults(defineProps<{
 	accented?: boolean;
+	revered?: boolean;
+	height?: number;
 }>(), {
 	accented: false,
+	revered: false,
+	height: 200,
 });
 </script>
 
@@ -27,14 +31,17 @@ const props = withDefaults(defineProps<{
 	--dot-size: 2px;
 	--gap-size: 40px;
 	--offset: calc(var(--gap-size) / 2);
+	--height: v-bind('props.height + "px"');
 
-	height: 200px;
-	margin-bottom: -200px;
-
+	height: var(--height);
 	background-image: linear-gradient(transparent 60%, transparent 100%), radial-gradient(var(--c) var(--dot-size), transparent var(--dot-size)), radial-gradient(var(--c) var(--dot-size), transparent var(--dot-size));
 	background-position: 0 0, 0 0, var(--offset) var(--offset);
 	background-size: 100% 100%, var(--gap-size) var(--gap-size), var(--gap-size) var(--gap-size);
 	mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
 	pointer-events: none;
+
+	&.revered {
+		mask-image: linear-gradient(to top, black 0%, transparent 100%);
+	}
 }
 </style>