feat(frontend): EXIFフレーム機能 (#16725)

* wip * wip * Update ImageEffector.ts * Update image-label-renderer.ts * Update image-label-renderer.ts * wip * Update image-label-renderer.ts * wip * wip * wip * wip * wip * wip * wip * Update use-uploader.ts * Update watermark.ts * wip * wu * wip * Update image-frame-renderer.ts * wip * wip * Update image-frame-renderer.ts * Create ImageCompositor.ts * Update ImageCompositor.ts * wip * wip * Update ImageEffector.ts * wip * Update use-uploader.ts * wip * wip * wip * wip * Update fxs.ts * wip * wip * wip * Update CHANGELOG.md * wip * wip * Update MkImageEffectorDialog.vue * Update MkImageEffectorDialog.vue * Update MkImageFrameEditorDialog.vue * Update use-uploader.ts * improve error handling * Update use-uploader.ts * 🎨 * wip * wip * lazy load * lazy load * wip * wip * wip
2025-11-06 20:25:17 +09:00 · 2025-11-06 20:25:17 +09:00 · 4ba18690d7
parent 26c8914a26
commit 4ba18690d7
64 changed files with 2838 additions and 1186 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -5,6 +5,8 @@
 - Enhance: DockerのNode.jsが24.10.0に更新されました

 ### Client
+- Feat: 画像にメタデータを含むフレームをつけられる機能
+- Enhance: プリセットを作成しなくても画像にウォーターマークを付与できるように
 - Enhance: 管理しているチャンネルの見分けがつきやすくなるように
 - Enhance: プロフィールへのリンクをユーザーポップアップのアバターに追加
 - Enhance: ユーザーのノート、フォロー、フォロワーページへのリンクをユーザーポップアップに追加
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@ -5625,6 +5625,172 @@ export interface Locale extends ILocale {
     * あなたは管理者です
     */
    "youAreAdmin": string;
+    /**
+     * フレーム
+     */
+    "frame": string;
+    /**
+     * プリセット
+     */
+    "presets": string;
+    /**
+     * ゼロ埋め
+     */
+    "zeroPadding": string;
+    "_imageEditing": {
+        "_vars": {
+            /**
+             * ファイルのキャプション
+             */
+            "caption": string;
+            /**
+             * ファイル名
+             */
+            "filename": string;
+            /**
+             * 拡張子無しファイル名
+             */
+            "filename_without_ext": string;
+            /**
+             * 撮影年
+             */
+            "year": string;
+            /**
+             * 撮影月
+             */
+            "month": string;
+            /**
+             * 撮影日
+             */
+            "day": string;
+            /**
+             * 撮影した時刻(時)
+             */
+            "hour": string;
+            /**
+             * 撮影した時刻(分)
+             */
+            "minute": string;
+            /**
+             * 撮影した時刻(秒)
+             */
+            "second": string;
+            /**
+             * カメラ名
+             */
+            "camera_model": string;
+            /**
+             * レンズ名
+             */
+            "camera_lens_model": string;
+            /**
+             * 焦点距離
+             */
+            "camera_mm": string;
+            /**
+             * 焦点距離(35mm判換算)
+             */
+            "camera_mm_35": string;
+            /**
+             * 絞り
+             */
+            "camera_f": string;
+            /**
+             * シャッタースピード
+             */
+            "camera_s": string;
+            /**
+             * ISO感度
+             */
+            "camera_iso": string;
+            /**
+             * 緯度
+             */
+            "gps_lat": string;
+            /**
+             * 経度
+             */
+            "gps_long": string;
+        };
+    };
+    "_imageFrameEditor": {
+        /**
+         * フレームの編集
+         */
+        "title": string;
+        /**
+         * 画像にフレームやメタデータを含んだラベルを追加して装飾できます。
+         */
+        "tip": string;
+        /**
+         * ヘッダー
+         */
+        "header": string;
+        /**
+         * フッター
+         */
+        "footer": string;
+        /**
+         * フチの幅
+         */
+        "borderThickness": string;
+        /**
+         * ラベルの幅
+         */
+        "labelThickness": string;
+        /**
+         * ラベルのスケール
+         */
+        "labelScale": string;
+        /**
+         * 中央揃え
+         */
+        "centered": string;
+        /**
+         * キャプション(大)
+         */
+        "captionMain": string;
+        /**
+         * キャプション(小)
+         */
+        "captionSub": string;
+        /**
+         * 利用可能な変数
+         */
+        "availableVariables": string;
+        /**
+         * 二次元コード
+         */
+        "withQrCode": string;
+        /**
+         * 背景色
+         */
+        "backgroundColor": string;
+        /**
+         * 文字色
+         */
+        "textColor": string;
+        /**
+         * フォント
+         */
+        "font": string;
+        /**
+         * セリフ
+         */
+        "fontSerif": string;
+        /**
+         * サンセリフ
+         */
+        "fontSansSerif": string;
+        /**
+         * 保存せずに終了しますか？
+         */
+        "quitWithoutSaveConfirm": string;
+        /**
+         * 画像の読み込みに失敗しました
+         */
+        "failedToLoadImage": string;
+    };
    "_compression": {
        "_quality": {
            /**
@ -12354,7 +12520,7 @@ export interface Locale extends ILocale {
    "defaultPreset": string;
    "_watermarkEditor": {
        /**
-         * 画像にクレジット情報などのウォーターマークを追加することができます。
+         * 画像にクレジット情報などのウォーターマークを追加できます。
         */
        "tip": string;
        /**
@ -12469,6 +12635,10 @@ export interface Locale extends ILocale {
         * 空欄にするとアカウントのURLになります
         */
        "leaveBlankToAccountUrl": string;
+        /**
+         * 画像の読み込みに失敗しました
+         */
+        "failedToLoadImage": string;
    };
    "_imageEffector": {
        /**
@ -12487,6 +12657,10 @@ export interface Locale extends ILocale {
         * 設定項目はありません
         */
        "nothingToConfigure": string;
+        /**
+         * 画像の読み込みに失敗しました
+         */
+        "failedToLoadImage": string;
        "_fxs": {
            /**
             * 色収差
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@ -1401,6 +1401,51 @@ widgets: "ウィジェット"
 deviceInfo: "デバイス情報"
 deviceInfoDescription: "技術的なお問い合わせの際に、以下の情報を併記すると問題の解決に役立つことがあります。"
 youAreAdmin: "あなたは管理者です"
+frame: "フレーム"
+presets: "プリセット"
+zeroPadding: "ゼロ埋め"
+
+_imageEditing:
+  _vars:
+    caption: "ファイルのキャプション"
+    filename: "ファイル名"
+    filename_without_ext: "拡張子無しファイル名"
+    year: "撮影年"
+    month: "撮影月"
+    day: "撮影日"
+    hour: "撮影した時刻(時)"
+    minute: "撮影した時刻(分)"
+    second: "撮影した時刻(秒)"
+    camera_model: "カメラ名"
+    camera_lens_model: "レンズ名"
+    camera_mm: "焦点距離"
+    camera_mm_35: "焦点距離(35mm判換算)"
+    camera_f: "絞り"
+    camera_s: "シャッタースピード"
+    camera_iso: "ISO感度"
+    gps_lat: "緯度"
+    gps_long: "経度"
+
+_imageFrameEditor:
+  title: "フレームの編集"
+  tip: "画像にフレームやメタデータを含んだラベルを追加して装飾できます。"
+  header: "ヘッダー"
+  footer: "フッター"
+  borderThickness: "フチの幅"
+  labelThickness: "ラベルの幅"
+  labelScale: "ラベルのスケール"
+  centered: "中央揃え"
+  captionMain: "キャプション(大)"
+  captionSub: "キャプション(小)"
+  availableVariables: "利用可能な変数"
+  withQrCode: "二次元コード"
+  backgroundColor: "背景色"
+  textColor: "文字色"
+  font: "フォント"
+  fontSerif: "セリフ"
+  fontSansSerif: "サンセリフ"
+  quitWithoutSaveConfirm: "保存せずに終了しますか？"
+  failedToLoadImage: "画像の読み込みに失敗しました"

 _compression:
  _quality:
@ -3307,7 +3352,7 @@ _userLists:
 watermark: "ウォーターマーク"
 defaultPreset: "デフォルトのプリセット"
 _watermarkEditor:
-  tip: "画像にクレジット情報などのウォーターマークを追加することができます。"
+  tip: "画像にクレジット情報などのウォーターマークを追加できます。"
  quitWithoutSaveConfirm: "保存せずに終了しますか？"
  driveFileTypeWarn: "このファイルは対応していません"
  driveFileTypeWarnDescription: "画像ファイルを選択してください"
@ -3336,12 +3381,14 @@ _watermarkEditor:
  polkadotSubDotRadius: "サブドットの大きさ"
  polkadotSubDotDivisions: "サブドットの数"
  leaveBlankToAccountUrl: "空欄にするとアカウントのURLになります"
+  failedToLoadImage: "画像の読み込みに失敗しました"

 _imageEffector:
  title: "エフェクト"
  addEffect: "エフェクトを追加"
  discardChangesConfirm: "変更を破棄して終了しますか？"
  nothingToConfigure: "設定項目はありません"
+  failedToLoadImage: "画像の読み込みに失敗しました"

  _fxs:
    chromaticAberration: "色収差"
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@ -48,6 +48,7 @@
 		"estree-walker": "3.0.3",
 		"eventemitter3": "5.0.1",
 		"execa": "9.6.0",
+		"exifreader": "4.32.0",
 		"frontend-shared": "workspace:*",
 		"icons-subsetter": "workspace:*",
 		"idb-keyval": "6.2.2",
--- a/packages/frontend/src/components/MkEmbedCodeGenDialog.vue
+++ b/packages/frontend/src/components/MkEmbedCodeGenDialog.vue
@ -24,9 +24,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			:leaveToClass="$style.transition_x_leaveTo"
 		>
 			<div v-if="phase === 'input'" key="input" :class="$style.embedCodeGenInputRoot">
-				<div
-					:class="$style.embedCodeGenPreviewRoot"
-				>
+				<div :class="[$style.embedCodeGenPreviewRoot, prefer.s.animation ? $style.animatedBg : null]">
 					<MkLoading v-if="iframeLoading" :class="$style.embedCodeGenPreviewSpinner"/>
 					<div :class="$style.embedCodeGenPreviewWrapper">
 						<div class="_acrylic" :class="$style.embedCodeGenPreviewTitle">{{ i18n.ts.preview }}</div>
@ -91,20 +89,18 @@ import { url } from '@@/js/config.js';
 import { embedRouteWithScrollbar } from '@@/js/embed-page.js';
 import type { EmbeddableEntity, EmbedParams } from '@@/js/embed-page.js';
 import MkModalWindow from '@/components/MkModalWindow.vue';
-
 import MkInput from '@/components/MkInput.vue';
 import MkSelect from '@/components/MkSelect.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkButton from '@/components/MkButton.vue';
-
 import MkCode from '@/components/MkCode.vue';
 import MkInfo from '@/components/MkInfo.vue';
-
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
 import { useMkSelect } from '@/composables/use-mkselect.js';
 import { copyToClipboard } from '@/utility/copy-to-clipboard.js';
 import { normalizeEmbedParams, getEmbedCode } from '@/utility/get-embed-code.js';
+import { prefer } from '@/preferences.js';

 const emit = defineEmits<{
 	(ev: 'ok'): void;
@ -314,10 +310,19 @@ onUnmounted(() => {

 .embedCodeGenPreviewRoot {
 	position: relative;
-	background-color: var(--MI_THEME-bg);
-	background-size: auto auto;
-	background-image: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--MI_THEME-panel) 6px, var(--MI_THEME-panel) 12px);
 	cursor: not-allowed;
+	background-color: var(--MI_THEME-bg);
+	background-image: linear-gradient(135deg, transparent 30%, var(--MI_THEME-panel) 30%, var(--MI_THEME-panel) 50%, transparent 50%, transparent 80%, var(--MI_THEME-panel) 80%, var(--MI_THEME-panel) 100%);
+	background-size: 20px 20px;
+}
+
+.animatedBg {
+	animation: bg 1.2s linear infinite;
+}
+
+@keyframes bg {
+	0% { background-position: 0 0; }
+	100% { background-position: -20px -20px; }
 }

 .embedCodeGenPreviewWrapper {
--- a/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
+++ b/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only

 <template>
 <MkFolder :defaultOpen="true" :canPage="false">
-	<template #label>{{ fx.name }}</template>
+	<template #label>{{ fx.uiDefinition.name }}</template>
 	<template #footer>
 		<div class="_buttons">
 			<MkButton iconOnly @click="emit('del')"><i class="ti ti-trash"></i></MkButton>
@ -14,7 +14,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 	</template>

-	<MkImageEffectorFxForm v-model="layer.params" :paramDefs="fx.params" />
+	<MkImageEffectorFxForm v-model="layer.params" :paramDefs="fx.uiDefinition.params"/>
 </MkFolder>
 </template>

@ -26,14 +26,14 @@ import MkImageEffectorFxForm from '@/components/MkImageEffectorFxForm.vue';
 import { FXS } from '@/utility/image-effector/fxs.js';

 const layer = defineModel<ImageEffectorLayer>('layer', { required: true });
-const fx = FXS.find((fx) => fx.id === layer.value.fxId);
+const fx = FXS[layer.value.fxId];
 if (fx == null) {
 	throw new Error(`Unrecognized effect: ${layer.value.fxId}`);
 }

 const emit = defineEmits<{
-	(e: 'del'): void;
-	(e: 'swapUp'): void;
-	(e: 'swapDown'): void;
+	(ev: 'del'): void;
+	(ev: 'swapUp'): void;
+	(ev: 'swapDown'): void;
 }>();
 </script>
--- a/packages/frontend/src/components/MkImageEffectorDialog.vue
+++ b/packages/frontend/src/components/MkImageEffectorDialog.vue
@ -18,7 +18,7 @@ SPDX-License-Identifier: AGPL-3.0-only

 	<div :class="$style.root">
 		<div :class="$style.container">
-			<div :class="$style.preview">
+			<div :class="[$style.preview, prefer.s.animation ? $style.animatedBg : null]">
 				<canvas ref="canvasEl" :class="$style.previewCanvas" @pointerdown.prevent.stop="onImagePointerdown"></canvas>
 				<div :class="$style.previewContainer">
 					<div class="_acrylic" :class="$style.previewTitle">{{ i18n.ts.preview }}</div>
@ -64,6 +64,7 @@ import * as os from '@/os.js';
 import { deepClone } from '@/utility/clone.js';
 import { FXS } from '@/utility/image-effector/fxs.js';
 import { genId } from '@/utility/id.js';
+import { prefer } from '@/preferences.js';

 const props = defineProps<{
 	image: File;
@ -94,19 +95,19 @@ const layers = reactive<ImageEffectorLayer[]>([]);

 watch(layers, async () => {
 	if (renderer != null) {
-		renderer.setLayers(layers);
+		renderer.render(layers);
 	}
 }, { deep: true });

 function addEffect(ev: MouseEvent) {
-	os.popupMenu(FXS.map((fx) => ({
-		text: fx.name,
+	os.popupMenu(Object.entries(FXS).map(([id, fx]) => ({
+		text: fx.uiDefinition.name,
 		action: () => {
 			layers.push({
 				id: genId(),
-				fxId: fx.id,
-				params: Object.fromEntries(Object.entries(fx.params).map(([k, v]) => [k, v.default])),
-			});
+				fxId: id as keyof typeof FXS,
+				params: Object.fromEntries(Object.entries(fx.uiDefinition.params).map(([k, v]) => [k, v.default])),
+			} as ImageEffectorLayer);
 		},
 	})), ev.currentTarget ?? ev.target);
 }
@ -136,7 +137,7 @@ function onLayerDelete(layer: ImageEffectorLayer) {

 const canvasEl = useTemplateRef('canvasEl');

-let renderer: ImageEffector<typeof FXS> | null = null;
+let renderer: ImageEffector | null = null;
 let imageBitmap: ImageBitmap | null = null;

 onMounted(async () => {
@ -146,6 +147,7 @@ onMounted(async () => {

 	await nextTick(); // waitingがレンダリングされるまで待つ

+	try {
 		imageBitmap = await window.createImageBitmap(props.image);

 		const MAX_W = 1000;
@ -155,8 +157,8 @@ onMounted(async () => {

 		if (w > MAX_W || h > MAX_H) {
 			const scale = Math.min(MAX_W / w, MAX_H / h);
-		w *= scale;
-		h *= scale;
+			w = Math.floor(w * scale);
+			h = Math.floor(h * scale);
 		}

 		renderer = new ImageEffector({
@ -164,12 +166,16 @@ onMounted(async () => {
 			renderWidth: w,
 			renderHeight: h,
 			image: imageBitmap,
-		fxs: FXS,
 		});

-	await renderer.setLayers(layers);
-
-	renderer.render();
+		await renderer.render(layers);
+	} catch (err) {
+		console.error(err);
+		os.alert({
+			type: 'error',
+			text: i18n.ts._imageEffector.failedToLoadImage,
+		});
+	}

 	closeWaiting();
 });
@ -196,7 +202,7 @@ async function save() {
 	await nextTick(); // waitingがレンダリングされるまで待つ

 	renderer.changeResolution(imageBitmap.width, imageBitmap.height); // 本番レンダリングのためオリジナル画質に戻す
-	renderer.render(); // toBlobの直前にレンダリングしないと何故か壊れる
+	await renderer.render(layers); // toBlobの直前にレンダリングしないと何故か壊れる
 	canvasEl.value.toBlob((blob) => {
 		emit('ok', new File([blob!], `image-${Date.now()}.png`, { type: 'image/png' }));
 		dialog.value?.close();
@ -208,11 +214,10 @@ const enabled = ref(true);
 watch(enabled, () => {
 	if (renderer != null) {
 		if (enabled.value) {
-			renderer.setLayers(layers);
+			renderer.render(layers);
 		} else {
-			renderer.setLayers([]);
+			renderer.render([]);
 		}
-		renderer.render();
 	}
 });

@ -281,6 +286,7 @@ function onImagePointerdown(ev: PointerEvent) {
 				angle: 0,
 				opacity: 1,
 				color: [1, 1, 1],
+				ellipse: false,
 			},
 		});
 	} else if (penMode.value === 'blur') {
@ -294,6 +300,7 @@ function onImagePointerdown(ev: PointerEvent) {
 				scaleY: 0.1,
 				angle: 0,
 				radius: 3,
+				ellipse: false,
 			},
 		});
 	} else if (penMode.value === 'pixelate') {
@ -307,6 +314,7 @@ function onImagePointerdown(ev: PointerEvent) {
 				scaleY: 0.1,
 				angle: 0,
 				strength: 0.2,
+				ellipse: false,
 			},
 		});
 	}
@ -329,7 +337,7 @@ function onImagePointerdown(ev: PointerEvent) {
 		const scaleY = Math.abs(y - startY);

 		const layerIndex = layers.findIndex((l) => l.id === id);
-		const layer = layerIndex !== -1 ? layers[layerIndex] : null;
+		const layer = layerIndex !== -1 ? (layers[layerIndex] as Extract<ImageEffectorLayer, { fxId: 'fill' } | { fxId: 'blur' } | { fxId: 'pixelate' }>) : null;
 		if (layer != null) {
 			layer.params.offsetX = (x + startX) - 1;
 			layer.params.offsetY = (y + startY) - 1;
@ -373,8 +381,17 @@ function onImagePointerdown(ev: PointerEvent) {
 .preview {
 	position: relative;
 	background-color: var(--MI_THEME-bg);
-	background-size: auto auto;
-	background-image: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--MI_THEME-panel) 6px, var(--MI_THEME-panel) 12px);
+	background-image: linear-gradient(135deg, transparent 30%, var(--MI_THEME-panel) 30%, var(--MI_THEME-panel) 50%, transparent 50%, transparent 80%, var(--MI_THEME-panel) 80%, var(--MI_THEME-panel) 100%);
+	background-size: 20px 20px;
+}
+
+.animatedBg {
+	animation: bg 1.2s linear infinite;
+}
+
+@keyframes bg {
+	0% { background-position: 0 0; }
+	100% { background-position: -20px -20px; }
 }

 .previewContainer {
--- a/packages/frontend/src/components/MkImageFrameEditorDialog.vue
+++ b/packages/frontend/src/components/MkImageFrameEditorDialog.vue
@ -0,0 +1,509 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="dialog"
+	:width="1000"
+	:height="600"
+	:scroll="false"
+	:withOkButton="true"
+	@close="cancel()"
+	@ok="save()"
+	@closed="emit('closed')"
+>
+	<template #header><i class="ti ti-device-ipad-horizontal"></i> {{ i18n.ts._imageFrameEditor.title }}</template>
+
+	<div :class="$style.root">
+		<div :class="$style.container">
+			<div :class="[$style.preview, prefer.s.animation ? $style.animatedBg : null]">
+				<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
+				<div :class="$style.previewContainer">
+					<div class="_acrylic" :class="$style.previewTitle">{{ i18n.ts.preview }}</div>
+					<div v-if="props.image == null" class="_acrylic" :class="$style.previewControls">
+						<button class="_button" :class="[$style.previewControlsButton, sampleImageType === '3_2' ? $style.active : null]" @click="sampleImageType = '3_2'"><i class="ti ti-crop-landscape"></i></button>
+						<button class="_button" :class="[$style.previewControlsButton, sampleImageType === '2_3' ? $style.active : null]" @click="sampleImageType = '2_3'"><i class="ti ti-crop-portrait"></i></button>
+						<button class="_button" :class="[$style.previewControlsButton]" @click="choiceImage"><i class="ti ti-upload"></i></button>
+					</div>
+				</div>
+			</div>
+			<div :class="$style.controls">
+				<div class="_spacer _gaps">
+					<MkRange v-model="params.borderThickness" :min="0" :max="0.2" :step="0.01" :continuousUpdate="true">
+						<template #label>{{ i18n.ts._imageFrameEditor.borderThickness }}</template>
+					</MkRange>
+
+					<MkInput :modelValue="getHex(params.bgColor)" type="color" @update:modelValue="v => { const c = getRgb(v); if (c != null) params.bgColor = c; }">
+						<template #label>{{ i18n.ts._imageFrameEditor.backgroundColor }}</template>
+					</MkInput>
+
+					<MkInput :modelValue="getHex(params.fgColor)" type="color" @update:modelValue="v => { const c = getRgb(v); if (c != null) params.fgColor = c; }">
+						<template #label>{{ i18n.ts._imageFrameEditor.textColor }}</template>
+					</MkInput>
+
+					<MkSelect
+						v-model="params.font" :items="[
+							{ label: i18n.ts._imageFrameEditor.fontSansSerif, value: 'sans-serif' },
+							{ label: i18n.ts._imageFrameEditor.fontSerif, value: 'serif' },
+						]"
+					>
+						<template #label>{{ i18n.ts._imageFrameEditor.font }}</template>
+					</MkSelect>
+
+					<MkFolder :defaultOpen="params.labelTop.enabled">
+						<template #label>{{ i18n.ts._imageFrameEditor.header }}</template>
+
+						<div class="_gaps">
+							<MkSwitch v-model="params.labelTop.enabled">
+								<template #label>{{ i18n.ts.show }}</template>
+							</MkSwitch>
+
+							<MkRange v-model="params.labelTop.padding" :min="0.01" :max="0.5" :step="0.01" :continuousUpdate="true">
+								<template #label>{{ i18n.ts._imageFrameEditor.labelThickness }}</template>
+							</MkRange>
+
+							<MkRange v-model="params.labelTop.scale" :min="0.5" :max="2.0" :step="0.01" :continuousUpdate="true">
+								<template #label>{{ i18n.ts._imageFrameEditor.labelScale }}</template>
+							</MkRange>
+
+							<MkSwitch v-model="params.labelTop.centered">
+								<template #label>{{ i18n.ts._imageFrameEditor.centered }}</template>
+							</MkSwitch>
+
+							<MkInput v-model="params.labelTop.textBig">
+								<template #label>{{ i18n.ts._imageFrameEditor.captionMain }}</template>
+							</MkInput>
+
+							<MkTextarea v-model="params.labelTop.textSmall">
+								<template #label>{{ i18n.ts._imageFrameEditor.captionSub }}</template>
+							</MkTextarea>
+
+							<MkSwitch v-model="params.labelTop.withQrCode">
+								<template #label>{{ i18n.ts._imageFrameEditor.withQrCode }}</template>
+							</MkSwitch>
+						</div>
+					</MkFolder>
+
+					<MkFolder :defaultOpen="params.labelBottom.enabled">
+						<template #label>{{ i18n.ts._imageFrameEditor.footer }}</template>
+
+						<div class="_gaps">
+							<MkSwitch v-model="params.labelBottom.enabled">
+								<template #label>{{ i18n.ts.show }}</template>
+							</MkSwitch>
+
+							<MkRange v-model="params.labelBottom.padding" :min="0.01" :max="0.5" :step="0.01" :continuousUpdate="true">
+								<template #label>{{ i18n.ts._imageFrameEditor.labelThickness }}</template>
+							</MkRange>
+
+							<MkRange v-model="params.labelBottom.scale" :min="0.5" :max="2.0" :step="0.01" :continuousUpdate="true">
+								<template #label>{{ i18n.ts._imageFrameEditor.labelScale }}</template>
+							</MkRange>
+
+							<MkSwitch v-model="params.labelBottom.centered">
+								<template #label>{{ i18n.ts._imageFrameEditor.centered }}</template>
+							</MkSwitch>
+
+							<MkInput v-model="params.labelBottom.textBig">
+								<template #label>{{ i18n.ts._imageFrameEditor.captionMain }}</template>
+							</MkInput>
+
+							<MkTextarea v-model="params.labelBottom.textSmall">
+								<template #label>{{ i18n.ts._imageFrameEditor.captionSub }}</template>
+							</MkTextarea>
+
+							<MkSwitch v-model="params.labelBottom.withQrCode">
+								<template #label>{{ i18n.ts._imageFrameEditor.withQrCode }}</template>
+							</MkSwitch>
+						</div>
+					</MkFolder>
+
+					<MkInfo>
+						<div>{{ i18n.ts._imageFrameEditor.availableVariables }}:</div>
+						<div><code class="_selectableAtomic">{filename}</code> - {{ i18n.ts._imageEditing._vars.filename }}</div>
+						<div><code class="_selectableAtomic">{filename_without_ext}</code> - {{ i18n.ts._imageEditing._vars.filename_without_ext }}</div>
+						<div><code class="_selectableAtomic">{caption}</code> - {{ i18n.ts._imageEditing._vars.caption }}</div>
+						<div><code class="_selectableAtomic">{year}</code> - {{ i18n.ts._imageEditing._vars.year }}</div>
+						<div><code class="_selectableAtomic">{month}</code> - {{ i18n.ts._imageEditing._vars.month }}</div>
+						<div><code class="_selectableAtomic">{day}</code> - {{ i18n.ts._imageEditing._vars.day }}</div>
+						<div><code class="_selectableAtomic">{hour}</code> - {{ i18n.ts._imageEditing._vars.hour }}</div>
+						<div><code class="_selectableAtomic">{minute}</code> - {{ i18n.ts._imageEditing._vars.minute }}</div>
+						<div><code class="_selectableAtomic">{second}</code> - {{ i18n.ts._imageEditing._vars.second }}</div>
+						<div><code class="_selectableAtomic">{0month}</code> - {{ i18n.ts._imageEditing._vars.month }} ({{ i18n.ts.zeroPadding }})</div>
+						<div><code class="_selectableAtomic">{0day}</code> - {{ i18n.ts._imageEditing._vars.day }} ({{ i18n.ts.zeroPadding }})</div>
+						<div><code class="_selectableAtomic">{0hour}</code> - {{ i18n.ts._imageEditing._vars.hour }} ({{ i18n.ts.zeroPadding }})</div>
+						<div><code class="_selectableAtomic">{0minute}</code> - {{ i18n.ts._imageEditing._vars.minute }} ({{ i18n.ts.zeroPadding }})</div>
+						<div><code class="_selectableAtomic">{0second}</code> - {{ i18n.ts._imageEditing._vars.second }} ({{ i18n.ts.zeroPadding }})</div>
+						<div><code class="_selectableAtomic">{camera_model}</code> - {{ i18n.ts._imageEditing._vars.camera_model }}</div>
+						<div><code class="_selectableAtomic">{camera_lens_model}</code> - {{ i18n.ts._imageEditing._vars.camera_lens_model }}</div>
+						<div><code class="_selectableAtomic">{camera_mm}</code> - {{ i18n.ts._imageEditing._vars.camera_mm }}</div>
+						<div><code class="_selectableAtomic">{camera_mm_35}</code> - {{ i18n.ts._imageEditing._vars.camera_mm_35 }}</div>
+						<div><code class="_selectableAtomic">{camera_f}</code> - {{ i18n.ts._imageEditing._vars.camera_f }}</div>
+						<div><code class="_selectableAtomic">{camera_s}</code> - {{ i18n.ts._imageEditing._vars.camera_s }}</div>
+						<div><code class="_selectableAtomic">{camera_iso}</code> - {{ i18n.ts._imageEditing._vars.camera_iso }}</div>
+						<div><code class="_selectableAtomic">{gps_lat}</code> - {{ i18n.ts._imageEditing._vars.gps_lat }}</div>
+						<div><code class="_selectableAtomic">{gps_long}</code> - {{ i18n.ts._imageEditing._vars.gps_long }}</div>
+					</MkInfo>
+				</div>
+			</div>
+		</div>
+	</div>
+</MkModalWindow>
+</template>
+
+<script setup lang="ts">
+import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive, nextTick } from 'vue';
+import ExifReader from 'exifreader';
+import { throttle } from 'throttle-debounce';
+import type { ImageFrameParams, ImageFramePreset } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
+import { ImageFrameRenderer } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
+import { i18n } from '@/i18n.js';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import MkSelect from '@/components/MkSelect.vue';
+import MkButton from '@/components/MkButton.vue';
+import MkFolder from '@/components/MkFolder.vue';
+import MkSwitch from '@/components/MkSwitch.vue';
+import MkRange from '@/components/MkRange.vue';
+import MkInput from '@/components/MkInput.vue';
+import MkTextarea from '@/components/MkTextarea.vue';
+import MkInfo from '@/components/MkInfo.vue';
+import * as os from '@/os.js';
+import { deepClone } from '@/utility/clone.js';
+import { ensureSignin } from '@/i.js';
+import { genId } from '@/utility/id.js';
+import { useMkSelect } from '@/composables/use-mkselect.js';
+import { prefer } from '@/preferences.js';
+
+const $i = ensureSignin();
+
+const props = defineProps<{
+	presetEditMode?: boolean;
+	preset?: ImageFramePreset | null;
+	params?: ImageFrameParams | null;
+	image?: File | null;
+	imageCaption?: string | null;
+	imageFilename?: string | null;
+}>();
+
+const preset = deepClone(props.preset) ?? {
+	id: genId(),
+	name: '',
+};
+
+const params = reactive<ImageFrameParams>(deepClone(props.params) ?? {
+	borderThickness: 0.05,
+	borderRadius: 0,
+	labelTop: {
+		enabled: false,
+		scale: 1.0,
+		padding: 0.2,
+		textBig: '',
+		textSmall: '',
+		centered: false,
+		withQrCode: false,
+	},
+	labelBottom: {
+		enabled: true,
+		scale: 1.0,
+		padding: 0.2,
+		textBig: '{year}/{0month}/{0day}',
+		textSmall: '{camera_mm}mm   f/{camera_f}   {camera_s}s   ISO{camera_iso}',
+		centered: false,
+		withQrCode: true,
+	},
+	bgColor: [1, 1, 1],
+	fgColor: [0, 0, 0],
+	font: 'sans-serif',
+});
+
+const emit = defineEmits<{
+	(ev: 'ok', frame: ImageFrameParams): void;
+	(ev: 'presetOk', preset: ImageFramePreset): void;
+	(ev: 'cancel'): void;
+	(ev: 'closed'): void;
+}>();
+
+const dialog = useTemplateRef('dialog');
+
+async function cancel() {
+	if (props.presetEditMode) {
+		const { canceled } = await os.confirm({
+			type: 'question',
+			text: i18n.ts._imageFrameEditor.quitWithoutSaveConfirm,
+		});
+		if (canceled) return;
+	}
+
+	dialog.value?.close();
+}
+
+const updateThrottled = throttle(50, () => {
+	if (renderer != null) {
+		renderer.render(params);
+	}
+});
+
+watch(params, async (newValue, oldValue) => {
+	updateThrottled();
+}, { deep: true });
+
+const canvasEl = useTemplateRef('canvasEl');
+
+const sampleImage_3_2 = new Image();
+sampleImage_3_2.src = '/client-assets/sample/3-2.jpg';
+const sampleImage_3_2_loading = new Promise<void>(resolve => {
+	sampleImage_3_2.onload = () => resolve();
+});
+
+const sampleImage_2_3 = new Image();
+sampleImage_2_3.src = '/client-assets/sample/2-3.jpg';
+const sampleImage_2_3_loading = new Promise<void>(resolve => {
+	sampleImage_2_3.onload = () => resolve();
+});
+
+const sampleImageType = ref(props.image != null ? 'provided' : '3_2');
+watch(sampleImageType, async () => {
+	if (sampleImageType.value === 'provided') return;
+	if (renderer != null) {
+		renderer.destroy(false);
+		renderer = null;
+		initRenderer();
+	}
+});
+
+let imageFile = props.image;
+
+async function choiceImage() {
+	const files = await os.chooseFileFromPc({ multiple: false });
+	if (files.length === 0) return;
+	imageFile = files[0];
+	sampleImageType.value = 'provided';
+	if (renderer != null) {
+		renderer.destroy(false);
+		renderer = null;
+		initRenderer();
+	}
+}
+
+let renderer: ImageFrameRenderer | null = null;
+let imageBitmap: ImageBitmap | null = null;
+
+async function initRenderer() {
+	if (canvasEl.value == null) return;
+
+	if (sampleImageType.value === '3_2') {
+		renderer = new ImageFrameRenderer({
+			canvas: canvasEl.value,
+			image: sampleImage_3_2,
+			exif: null,
+			caption: 'Example caption',
+			filename: 'example_file_name.jpg',
+			renderAsPreview: true,
+		});
+	} else if (sampleImageType.value === '2_3') {
+		renderer = new ImageFrameRenderer({
+			canvas: canvasEl.value,
+			image: sampleImage_2_3,
+			exif: null,
+			caption: 'Example caption',
+			filename: 'example_file_name.jpg',
+			renderAsPreview: true,
+		});
+	} else if (imageFile != null) {
+		imageBitmap = await window.createImageBitmap(imageFile);
+
+		const exif = ExifReader.load(await imageFile.arrayBuffer());
+
+		renderer = new ImageFrameRenderer({
+			canvas: canvasEl.value,
+			image: imageBitmap,
+			exif: exif,
+			caption: props.imageCaption ?? null,
+			filename: props.imageFilename ?? null,
+			renderAsPreview: true,
+		});
+	}
+
+	await renderer!.render(params);
+}
+
+onMounted(async () => {
+	const closeWaiting = os.waiting();
+
+	await nextTick(); // waitingがレンダリングされるまで待つ
+
+	await sampleImage_3_2_loading;
+	await sampleImage_2_3_loading;
+
+	try {
+		await initRenderer();
+	} catch (err) {
+		console.error(err);
+		os.alert({
+			type: 'error',
+			text: i18n.ts._imageFrameEditor.failedToLoadImage,
+		});
+	}
+
+	closeWaiting();
+});
+
+onUnmounted(() => {
+	if (renderer != null) {
+		renderer.destroy();
+		renderer = null;
+	}
+	if (imageBitmap != null) {
+		imageBitmap.close();
+		imageBitmap = null;
+	}
+});
+
+async function save() {
+	if (props.presetEditMode) {
+		const { canceled, result: name } = await os.inputText({
+			title: i18n.ts.name,
+			default: preset.name,
+		});
+		if (canceled) return;
+
+		preset.name = name || '';
+
+		dialog.value?.close();
+		if (renderer != null) {
+			renderer.destroy();
+			renderer = null;
+		}
+
+		emit('presetOk', {
+			...preset,
+			params: deepClone(params),
+		});
+	} else {
+		dialog.value?.close();
+		if (renderer != null) {
+			renderer.destroy();
+			renderer = null;
+		}
+
+		emit('ok', params);
+	}
+}
+
+function getHex(c: [number, number, number]) {
+	return `#${c.map(x => (x * 255).toString(16).padStart(2, '0')).join('')}`;
+}
+
+function getRgb(hex: string | number): [number, number, number] | null {
+	if (
+		typeof hex === 'number' ||
+		typeof hex !== 'string' ||
+		!/^#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/.test(hex)
+	) {
+		return null;
+	}
+
+	const m = hex.slice(1).match(/[0-9a-fA-F]{2}/g);
+	if (m == null) return [0, 0, 0];
+	return m.map(x => parseInt(x, 16) / 255) as [number, number, number];
+}
+</script>
+
+<style module>
+.root {
+	container-type: inline-size;
+	height: 100%;
+}
+
+.container {
+	height: 100%;
+	display: grid;
+	grid-template-columns: 1fr 400px;
+}
+
+.preview {
+	position: relative;
+	background-color: var(--MI_THEME-bg);
+	background-image: linear-gradient(135deg, transparent 30%, var(--MI_THEME-panel) 30%, var(--MI_THEME-panel) 50%, transparent 50%, transparent 80%, var(--MI_THEME-panel) 80%, var(--MI_THEME-panel) 100%);
+	background-size: 20px 20px;
+}
+
+.animatedBg {
+	animation: bg 1.2s linear infinite;
+}
+
+@keyframes bg {
+	0% { background-position: 0 0; }
+	100% { background-position: -20px -20px; }
+}
+
+.previewContainer {
+	display: flex;
+	flex-direction: column;
+	height: 100%;
+	user-select: none;
+	-webkit-user-drag: none;
+}
+
+.previewTitle {
+	position: absolute;
+	z-index: 100;
+	top: 8px;
+	left: 8px;
+	padding: 6px 10px;
+	border-radius: 6px;
+	font-size: 85%;
+}
+
+.previewControls {
+	position: absolute;
+	z-index: 100;
+	bottom: 8px;
+	right: 8px;
+	display: flex;
+	align-items: center;
+	gap: 8px;
+	padding: 6px 10px;
+	border-radius: 6px;
+}
+
+.previewControlsButton {
+	&.active {
+		color: var(--MI_THEME-accent);
+	}
+}
+
+.previewSpinner {
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
+	pointer-events: none;
+	user-select: none;
+	-webkit-user-drag: none;
+}
+
+.previewCanvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	padding: 20px;
+	box-sizing: border-box;
+	object-fit: contain;
+}
+
+.controls {
+	overflow-y: scroll;
+}
+
+@container (max-width: 800px) {
+	.container {
+		grid-template-columns: 1fr;
+		grid-template-rows: 1fr 1fr;
+	}
+}
+</style>
--- a/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
+++ b/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
@ -345,7 +345,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script setup lang="ts">
 import { ref, onMounted, computed } from 'vue';
 import * as Misskey from 'misskey-js';
-import type { WatermarkPreset } from '@/utility/watermark.js';
+import type { WatermarkPreset } from '@/utility/watermark/WatermarkRenderer.js';
 import { i18n } from '@/i18n.js';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
--- a/packages/frontend/src/components/MkWatermarkEditorDialog.vue
+++ b/packages/frontend/src/components/MkWatermarkEditorDialog.vue
@ -18,20 +18,21 @@ SPDX-License-Identifier: AGPL-3.0-only

 	<div :class="$style.root">
 		<div :class="$style.container">
-			<div :class="$style.preview">
+			<div :class="[$style.preview, prefer.s.animation ? $style.animatedBg : null]">
 				<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
 				<div :class="$style.previewContainer">
 					<div class="_acrylic" :class="$style.previewTitle">{{ i18n.ts.preview }}</div>
 					<div v-if="props.image == null" class="_acrylic" :class="$style.previewControls">
 						<button class="_button" :class="[$style.previewControlsButton, sampleImageType === '3_2' ? $style.active : null]" @click="sampleImageType = '3_2'"><i class="ti ti-crop-landscape"></i></button>
 						<button class="_button" :class="[$style.previewControlsButton, sampleImageType === '2_3' ? $style.active : null]" @click="sampleImageType = '2_3'"><i class="ti ti-crop-portrait"></i></button>
+						<button class="_button" :class="[$style.previewControlsButton]" @click="choiceImage"><i class="ti ti-upload"></i></button>
 					</div>
 				</div>
 			</div>
 			<div :class="$style.controls">
 				<div class="_spacer _gaps">
 					<div class="_gaps_s">
-						<MkFolder v-for="(layer, i) in preset.layers" :key="layer.id" :defaultOpen="false" :canPage="false">
+						<MkFolder v-for="(layer, i) in layers" :key="layer.id" :defaultOpen="false" :canPage="false">
 							<template #label>
 								<div v-if="layer.type === 'text'">{{ i18n.ts._watermarkEditor.text }}</div>
 								<div v-if="layer.type === 'image'">{{ i18n.ts._watermarkEditor.image }}</div>
@ -49,7 +50,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 							</template>

 							<XLayer
-								v-model:layer="preset.layers[i]"
+								v-model:layer="layers[i]"
 							></XLayer>
 						</MkFolder>

@ -64,8 +65,8 @@ SPDX-License-Identifier: AGPL-3.0-only

 <script setup lang="ts">
 import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive, nextTick } from 'vue';
-import type { WatermarkPreset } from '@/utility/watermark.js';
-import { WatermarkRenderer } from '@/utility/watermark.js';
+import type { WatermarkLayers, WatermarkPreset } from '@/utility/watermark/WatermarkRenderer.js';
+import { WatermarkRenderer } from '@/utility/watermark/WatermarkRenderer.js';
 import { i18n } from '@/i18n.js';
 import MkModalWindow from '@/components/MkModalWindow.vue';
 import MkSelect from '@/components/MkSelect.vue';
@ -77,6 +78,7 @@ import { deepClone } from '@/utility/clone.js';
 import { ensureSignin } from '@/i.js';
 import { genId } from '@/utility/id.js';
 import { useMkSelect } from '@/composables/use-mkselect.js';
+import { prefer } from '@/preferences.js';

 const $i = ensureSignin();

@ -161,18 +163,22 @@ function createCheckerLayer(): WatermarkPreset['layers'][number] {
 }

 const props = defineProps<{
+	presetEditMode?: boolean;
 	preset?: WatermarkPreset | null;
+	layers?: WatermarkLayers | null;
 	image?: File | null;
 }>();

-const preset = reactive<WatermarkPreset>(deepClone(props.preset) ?? {
+const preset = deepClone(props.preset) ?? {
 	id: genId(),
 	name: '',
-	layers: [],
-});
+};
+
+const layers = reactive<WatermarkLayers>(props.layers ?? []);

 const emit = defineEmits<{
-	(ev: 'ok', preset: WatermarkPreset): void;
+	(ev: 'ok', layers: WatermarkLayers): void;
+	(ev: 'presetOk', preset: WatermarkPreset): void;
 	(ev: 'cancel'): void;
 	(ev: 'closed'): void;
 }>();
@ -180,19 +186,21 @@ const emit = defineEmits<{
 const dialog = useTemplateRef('dialog');

 async function cancel() {
+	if (props.presetEditMode) {
 		const { canceled } = await os.confirm({
 			type: 'question',
 			text: i18n.ts._watermarkEditor.quitWithoutSaveConfirm,
 		});
 		if (canceled) return;
+	}

 	emit('cancel');
 	dialog.value?.close();
 }

-watch(preset, async (newValue, oldValue) => {
+watch(layers, async (newValue, oldValue) => {
 	if (renderer != null) {
-		renderer.setLayers(preset.layers);
+		renderer.render(layers);
 	}
 }, { deep: true });

@ -212,6 +220,7 @@ const sampleImage_2_3_loading = new Promise<void>(resolve => {

 const sampleImageType = ref(props.image != null ? 'provided' : '3_2');
 watch(sampleImageType, async () => {
+	if (sampleImageType.value === 'provided') return;
 	if (renderer != null) {
 		renderer.destroy(false);
 		renderer = null;
@ -219,6 +228,20 @@ watch(sampleImageType, async () => {
 	}
 });

+let imageFile = props.image;
+
+async function choiceImage() {
+	const files = await os.chooseFileFromPc({ multiple: false });
+	if (files.length === 0) return;
+	imageFile = files[0];
+	sampleImageType.value = 'provided';
+	if (renderer != null) {
+		renderer.destroy(false);
+		renderer = null;
+		initRenderer();
+	}
+}
+
 let renderer: WatermarkRenderer | null = null;
 let imageBitmap: ImageBitmap | null = null;

@ -239,8 +262,8 @@ async function initRenderer() {
 			renderHeight: 1500,
 			image: sampleImage_2_3,
 		});
-	} else if (props.image != null) {
-		imageBitmap = await window.createImageBitmap(props.image);
+	} else if (imageFile != null) {
+		imageBitmap = await window.createImageBitmap(imageFile);

 		const MAX_W = 1000;
 		const MAX_H = 1000;
@ -249,8 +272,8 @@ async function initRenderer() {

 		if (w > MAX_W || h > MAX_H) {
 			const scale = Math.min(MAX_W / w, MAX_H / h);
-			w *= scale;
-			h *= scale;
+			w = Math.floor(w * scale);
+			h = Math.floor(h * scale);
 		}

 		renderer = new WatermarkRenderer({
@ -261,9 +284,7 @@ async function initRenderer() {
 		});
 	}

-	await renderer!.setLayers(preset.layers);
-
-	renderer!.render();
+	await renderer!.render(layers);
 }

 onMounted(async () => {
@ -274,7 +295,15 @@ onMounted(async () => {
 	await sampleImage_3_2_loading;
 	await sampleImage_2_3_loading;

+	try {
 		await initRenderer();
+	} catch (err) {
+		console.error(err);
+		os.alert({
+			type: 'error',
+			text: i18n.ts._watermarkEditor.failedToLoadImage,
+		});
+	}

 	closeWaiting();
 });
@ -291,6 +320,7 @@ onUnmounted(() => {
 });

 async function save() {
+	if (props.presetEditMode) {
 		const { canceled, result: name } = await os.inputText({
 			title: i18n.ts.name,
 			default: preset.name,
@ -305,63 +335,78 @@ async function save() {
 			renderer = null;
 		}

-	emit('ok', preset);
+		emit('presetOk', {
+			...preset,
+			layers: deepClone(layers),
+		});
+	} else {
+		dialog.value?.close();
+		if (renderer != null) {
+			renderer.destroy();
+			renderer = null;
+		}
+
+		emit('ok', layers);
+	}
 }

 function addLayer(ev: MouseEvent) {
 	os.popupMenu([{
 		text: i18n.ts._watermarkEditor.text,
 		action: () => {
-			preset.layers.push(createTextLayer());
+			layers.push(createTextLayer());
 		},
 	}, {
 		text: i18n.ts._watermarkEditor.image,
 		action: () => {
-			preset.layers.push(createImageLayer());
+			layers.push(createImageLayer());
 		},
 	}, {
 		text: i18n.ts._watermarkEditor.qr,
 		action: () => {
-			preset.layers.push(createQrLayer());
+			layers.push(createQrLayer());
 		},
 	}, {
 		text: i18n.ts._watermarkEditor.stripe,
 		action: () => {
-			preset.layers.push(createStripeLayer());
+			layers.push(createStripeLayer());
 		},
 	}, {
 		text: i18n.ts._watermarkEditor.polkadot,
 		action: () => {
-			preset.layers.push(createPolkadotLayer());
+			layers.push(createPolkadotLayer());
 		},
 	}, {
 		text: i18n.ts._watermarkEditor.checker,
 		action: () => {
-			preset.layers.push(createCheckerLayer());
+			layers.push(createCheckerLayer());
 		},
 	}], ev.currentTarget ?? ev.target);
 }

 function swapUpLayer(layer: WatermarkPreset['layers'][number]) {
-	const index = preset.layers.findIndex(l => l.id === layer.id);
+	const index = layers.findIndex(l => l.id === layer.id);
 	if (index > 0) {
-		const tmp = preset.layers[index - 1];
-		preset.layers[index - 1] = preset.layers[index];
-		preset.layers[index] = tmp;
+		const tmp = layers[index - 1];
+		layers[index - 1] = layers[index];
+		layers[index] = tmp;
 	}
 }

 function swapDownLayer(layer: WatermarkPreset['layers'][number]) {
-	const index = preset.layers.findIndex(l => l.id === layer.id);
-	if (index < preset.layers.length - 1) {
-		const tmp = preset.layers[index + 1];
-		preset.layers[index + 1] = preset.layers[index];
-		preset.layers[index] = tmp;
+	const index = layers.findIndex(l => l.id === layer.id);
+	if (index < layers.length - 1) {
+		const tmp = layers[index + 1];
+		layers[index + 1] = layers[index];
+		layers[index] = tmp;
 	}
 }

 function removeLayer(layer: WatermarkPreset['layers'][number]) {
-	preset.layers = preset.layers.filter(l => l.id !== layer.id);
+	const index = layers.findIndex(l => l.id === layer.id);
+	if (index !== -1) {
+		layers.splice(index, 1);
+	}
 }
 </script>

@ -380,8 +425,17 @@ function removeLayer(layer: WatermarkPreset['layers'][number]) {
 .preview {
 	position: relative;
 	background-color: var(--MI_THEME-bg);
-	background-size: auto auto;
-	background-image: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--MI_THEME-panel) 6px, var(--MI_THEME-panel) 12px);
+	background-image: linear-gradient(135deg, transparent 30%, var(--MI_THEME-panel) 30%, var(--MI_THEME-panel) 50%, transparent 50%, transparent 80%, var(--MI_THEME-panel) 80%, var(--MI_THEME-panel) 100%);
+	background-size: 20px 20px;
+}
+
+.animatedBg {
+	animation: bg 1.2s linear infinite;
+}
+
+@keyframes bg {
+	0% { background-position: 0 0; }
+	100% { background-position: -20px -20px; }
 }

 .previewContainer {
--- a/packages/frontend/src/composables/use-uploader.ts
+++ b/packages/frontend/src/composables/use-uploader.ts
@ -9,6 +9,8 @@ import isAnimated from 'is-file-animated';
 import { EventEmitter } from 'eventemitter3';
 import { computed, markRaw, onMounted, onUnmounted, ref, triggerRef } from 'vue';
 import type { MenuItem } from '@/types/menu.js';
+import type { WatermarkLayers, WatermarkPreset } from '@/utility/watermark/WatermarkRenderer.js';
+import type { ImageFrameParams, ImageFramePreset } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
 import { genId } from '@/utility/id.js';
 import { i18n } from '@/i18n.js';
 import { prefer } from '@/preferences.js';
@ -16,7 +18,6 @@ import { isWebpSupported } from '@/utility/isWebpSupported.js';
 import { uploadFile, UploadAbortedError } from '@/utility/drive.js';
 import * as os from '@/os.js';
 import { ensureSignin } from '@/i.js';
-import { WatermarkRenderer } from '@/utility/watermark.js';

 export type UploaderFeatures = {
 	imageEditing?: boolean;
@ -28,13 +29,7 @@ const THUMBNAIL_SUPPORTED_TYPES = [
 	'image/png',
 	'image/webp',
 	'image/svg+xml',
-];
-
-const IMAGE_COMPRESSION_SUPPORTED_TYPES = [
-	'image/jpeg',
-	'image/png',
-	'image/webp',
-	'image/svg+xml',
+	'image/gif',
 ];

 const IMAGE_EDITING_SUPPORTED_TYPES = [
@ -49,11 +44,7 @@ const VIDEO_COMPRESSION_SUPPORTED_TYPES = [ // TODO
 	'video/x-matroska',
 ];

-const WATERMARK_SUPPORTED_TYPES = IMAGE_EDITING_SUPPORTED_TYPES;
-
 const IMAGE_PREPROCESS_NEEDED_TYPES = [
-	...WATERMARK_SUPPORTED_TYPES,
-	...IMAGE_COMPRESSION_SUPPORTED_TYPES,
 	...IMAGE_EDITING_SUPPORTED_TYPES,
 ];

@ -83,7 +74,9 @@ export type UploaderItem = {
 	compressedSize?: number | null;
 	preprocessedFile?: Blob | null;
 	file: File;
-	watermarkPresetId: string | null;
+	watermarkPreset: WatermarkPreset | null;
+	watermarkLayers: WatermarkLayers | null;
+	imageFrameParams: ImageFrameParams | null;
 	isSensitive?: boolean;
 	caption?: string | null;
 	abort?: (() => void) | null;
@ -135,6 +128,7 @@ export function useUploader(options: {
 		const id = genId();
 		const filename = file.name ?? 'untitled';
 		const extension = filename.split('.').length > 1 ? '.' + filename.split('.').pop() : '';
+		const watermarkPreset = uploaderFeatures.value.watermark && $i.policies.watermarkAvailable ? (prefer.s.watermarkPresets.find(p => p.id === prefer.s.defaultWatermarkPresetId) ?? null) : null;
 		items.value.push({
 			id,
 			name: prefer.s.keepOriginalFilename ? filename : id + extension,
@ -146,8 +140,10 @@ export function useUploader(options: {
 			aborted: false,
 			uploaded: null,
 			uploadFailed: false,
-			compressionLevel: IMAGE_COMPRESSION_SUPPORTED_TYPES.includes(file.type) ? prefer.s.defaultImageCompressionLevel : VIDEO_COMPRESSION_SUPPORTED_TYPES.includes(file.type) ? prefer.s.defaultVideoCompressionLevel : 0,
-			watermarkPresetId: uploaderFeatures.value.watermark && $i.policies.watermarkAvailable ? prefer.s.defaultWatermarkPresetId : null,
+			compressionLevel: IMAGE_EDITING_SUPPORTED_TYPES.includes(file.type) ? prefer.s.defaultImageCompressionLevel : VIDEO_COMPRESSION_SUPPORTED_TYPES.includes(file.type) ? prefer.s.defaultVideoCompressionLevel : 0,
+			watermarkPreset,
+			watermarkLayers: watermarkPreset?.layers ?? null,
+			imageFrameParams: null,
 			file: markRaw(file),
 		});
 		const reactiveItem = items.value.at(-1)!;
@ -253,7 +249,7 @@ export function useUploader(options: {
 					},
 				},*/ {
 					icon: 'ti ti-sparkles',
-					text: i18n.ts._imageEffector.title + ' (BETA)',
+					text: i18n.ts._imageEffector.title,
 					action: async () => {
 						const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkImageEffectorDialog.vue').then(x => x.default), {
 							image: item.file,
@ -280,13 +276,14 @@ export function useUploader(options: {
 		if (
 			uploaderFeatures.value.watermark &&
 			$i.policies.watermarkAvailable &&
-			WATERMARK_SUPPORTED_TYPES.includes(item.file.type) &&
+			IMAGE_EDITING_SUPPORTED_TYPES.includes(item.file.type) &&
 			!item.preprocessing &&
 			!item.uploading &&
 			!item.uploaded
 		) {
-			function changeWatermarkPreset(presetId: string | null) {
-				item.watermarkPresetId = presetId;
+			function change(layers: WatermarkLayers | null, preset?: WatermarkPreset | null) {
+				item.watermarkPreset = preset ?? null;
+				item.watermarkLayers = layers;
 				preprocess(item).then(() => {
 					triggerRef(items);
 				});
@ -295,43 +292,109 @@ export function useUploader(options: {
 			menu.push({
 				icon: 'ti ti-copyright',
 				text: i18n.ts.watermark,
-				caption: computed(() => item.watermarkPresetId == null ? null : prefer.s.watermarkPresets.find(p => p.id === item.watermarkPresetId)?.name),
+				caption: computed(() => item.watermarkPreset != null ? item.watermarkPreset.name : item.watermarkLayers != null ? i18n.ts.custom : null),
 				type: 'parent',
 				children: [{
-					type: 'radioOption',
-					text: i18n.ts.none,
-					active: computed(() => item.watermarkPresetId == null),
-					action: () => changeWatermarkPreset(null),
-				}, {
-					type: 'divider',
-				}, ...prefer.s.watermarkPresets.map(preset => ({
-					type: 'radioOption' as const,
-					text: preset.name,
-					active: computed(() => item.watermarkPresetId === preset.id),
-					action: () => changeWatermarkPreset(preset.id),
-				})), ...(prefer.s.watermarkPresets.length > 0 ? [{
-					type: 'divider' as const,
-				}] : []), {
-					type: 'button',
-					icon: 'ti ti-plus',
-					text: i18n.ts.add,
+					type: 'button' as const,
+					icon: 'ti ti-pencil',
+					text: i18n.ts.edit,
 					action: async () => {
 						const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkWatermarkEditorDialog.vue').then(x => x.default), {
+							layers: item.watermarkLayers,
 							image: item.file,
 						}, {
-							ok: (preset) => {
-								prefer.commit('watermarkPresets', [...prefer.s.watermarkPresets, preset]);
-								changeWatermarkPreset(preset.id);
+							ok: (layers) => {
+								change(layers);
 							},
 							closed: () => dispose(),
 						});
 					},
-				}],
+				}, {
+					type: 'button' as const,
+					icon: 'ti ti-x',
+					text: i18n.ts.remove,
+					action: () => change(null),
+				}, {
+					type: 'divider',
+				}, {
+					type: 'label',
+					text: i18n.ts.presets,
+				}, ...prefer.s.watermarkPresets.map(preset => ({
+					type: 'radioOption' as const,
+					text: preset.name,
+					active: computed(() => item.watermarkPreset?.id === preset.id),
+					action: () => change(preset.layers, preset),
+				}))],
 			});
 		}

 		if (
-			(IMAGE_COMPRESSION_SUPPORTED_TYPES.includes(item.file.type) || VIDEO_COMPRESSION_SUPPORTED_TYPES.includes(item.file.type)) &&
+			uploaderFeatures.value.imageEditing &&
+			IMAGE_EDITING_SUPPORTED_TYPES.includes(item.file.type) &&
+			!item.preprocessing &&
+			!item.uploading &&
+			!item.uploaded
+		) {
+			function change(params: ImageFrameParams | null) {
+				item.imageFrameParams = params;
+				preprocess(item).then(() => {
+					triggerRef(items);
+				});
+			}
+
+			menu.push({
+				icon: 'ti ti-device-ipad-horizontal',
+				text: i18n.ts.frame,
+				type: 'parent' as const,
+				children: [{
+					type: 'button' as const,
+					icon: 'ti ti-pencil',
+					text: i18n.ts.edit,
+					action: async () => {
+						const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkImageFrameEditorDialog.vue').then(x => x.default), {
+							params: item.imageFrameParams,
+							image: item.file,
+							imageCaption: item.caption ?? null,
+							imageFilename: item.name,
+						}, {
+							ok: (params) => {
+								change(params);
+							},
+							closed: () => dispose(),
+						});
+					},
+				}, ...(item.imageFrameParams != null ? [{
+					type: 'button' as const,
+					icon: 'ti ti-x',
+					text: i18n.ts.remove,
+					action: () => change(null),
+				}] : []), {
+					type: 'divider' as const,
+				}, {
+					type: 'label' as const,
+					text: i18n.ts.presets,
+				}, ...prefer.s.imageFramePresets.map(preset => ({
+					type: 'button' as const,
+					text: preset.name,
+					action: async () => {
+						const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkImageFrameEditorDialog.vue').then(x => x.default), {
+							params: preset.params,
+							image: item.file,
+							imageCaption: item.caption ?? null,
+							imageFilename: item.name,
+						}, {
+							ok: (params) => {
+								change(params);
+							},
+							closed: () => dispose(),
+						});
+					},
+				}))],
+			});
+		}
+
+		if (
+			(IMAGE_EDITING_SUPPORTED_TYPES.includes(item.file.type) || VIDEO_COMPRESSION_SUPPORTED_TYPES.includes(item.file.type)) &&
 			!item.preprocessing &&
 			!item.uploading &&
 			!item.uploaded
@ -545,10 +608,10 @@ export function useUploader(options: {

 		let preprocessedFile: Blob | File = item.file;

-		const needsWatermark = item.watermarkPresetId != null && WATERMARK_SUPPORTED_TYPES.includes(preprocessedFile.type) && $i.policies.watermarkAvailable;
-		const preset = prefer.s.watermarkPresets.find(p => p.id === item.watermarkPresetId);
-		if (needsWatermark && preset != null) {
+		const needsWatermark = item.watermarkLayers != null && IMAGE_EDITING_SUPPORTED_TYPES.includes(preprocessedFile.type) && $i.policies.watermarkAvailable;
+		if (needsWatermark && item.watermarkLayers != null) {
 			const canvas = window.document.createElement('canvas');
+			const WatermarkRenderer = await import('@/utility/watermark/WatermarkRenderer.js').then(x => x.WatermarkRenderer);
 			const renderer = new WatermarkRenderer({
 				canvas: canvas,
 				renderWidth: imageBitmap.width,
@ -556,9 +619,7 @@ export function useUploader(options: {
 				image: imageBitmap,
 			});

-			await renderer.setLayers(preset.layers);
-
-			renderer.render();
+			await renderer.render(item.watermarkLayers);

 			preprocessedFile = await new Promise<Blob>((resolve) => {
 				canvas.toBlob((blob) => {
@ -571,8 +632,35 @@ export function useUploader(options: {
 			});
 		}

+		const needsImageFrame = item.imageFrameParams != null && IMAGE_EDITING_SUPPORTED_TYPES.includes(preprocessedFile.type);
+		if (needsImageFrame && item.imageFrameParams != null) {
+			const canvas = window.document.createElement('canvas');
+			const ExifReader = await import('exifreader');
+			const exif = await ExifReader.load(await item.file.arrayBuffer());
+			const ImageFrameRenderer = await import('@/utility/image-frame-renderer/ImageFrameRenderer.js').then(x => x.ImageFrameRenderer);
+			const frameRenderer = new ImageFrameRenderer({
+				canvas: canvas,
+				image: await window.createImageBitmap(preprocessedFile),
+				exif,
+				caption: item.caption ?? null,
+				filename: item.name,
+			});
+
+			await frameRenderer.render(item.imageFrameParams);
+
+			preprocessedFile = await new Promise<Blob>((resolve) => {
+				canvas.toBlob((blob) => {
+					if (blob == null) {
+						throw new Error('Failed to convert canvas to blob');
+					}
+					resolve(blob);
+					frameRenderer.destroy();
+				}, 'image/png');
+			});
+		}
+
 		const compressionSettings = getCompressionSettings(item.compressionLevel);
-		const needsCompress = item.compressionLevel !== 0 && compressionSettings && IMAGE_COMPRESSION_SUPPORTED_TYPES.includes(preprocessedFile.type) && !(await isAnimated(preprocessedFile));
+		const needsCompress = item.compressionLevel !== 0 && compressionSettings && IMAGE_EDITING_SUPPORTED_TYPES.includes(preprocessedFile.type) && !(await isAnimated(preprocessedFile));

 		if (needsCompress) {
 			const config = {
--- a/packages/frontend/src/lib/ImageCompositor.ts
+++ b/packages/frontend/src/lib/ImageCompositor.ts
@ -0,0 +1,313 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { createTexture, initShaderProgram } from '../utility/webgl.js';
+
+export type ImageCompositorFunctionParams = Record<string, any>;
+
+export type ImageCompositorFunction<PS extends ImageCompositorFunctionParams = ImageCompositorFunctionParams> = {
+	shader: string;
+	main: (ctx: {
+		gl: WebGL2RenderingContext;
+		program: WebGLProgram;
+		params: PS;
+		u: Record<string, WebGLUniformLocation>;
+		width: number;
+		height: number;
+		textures: Map<string, { texture: WebGLTexture; width: number; height: number; }>;
+	}) => void;
+};
+
+export type ImageCompositorLayer<FNS extends Record<string, ImageCompositorFunction> = any> = {
+	[K in keyof FNS]: {
+		id: string;
+		functionId: K;
+		params: Parameters<FNS[K]['main']>[0]['params'];
+	};
+}[keyof FNS];
+
+export function defineImageCompositorFunction<PS extends ImageCompositorFunctionParams>(fn: ImageCompositorFunction<PS>) {
+	return fn;
+}
+
+// TODO: per layer cache
+
+export class ImageCompositor<FNS extends Record<string, ImageCompositorFunction<any>>> {
+	private gl: WebGL2RenderingContext;
+	private canvas: HTMLCanvasElement | null = null;
+	private renderWidth: number;
+	private renderHeight: number;
+	private baseTexture: WebGLTexture;
+	private shaderCache: Map<string, WebGLProgram> = new Map();
+	private perLayerResultTextures: Map<string, WebGLTexture> = new Map();
+	private perLayerResultFrameBuffers: Map<string, WebGLFramebuffer> = new Map();
+	private nopProgram: WebGLProgram;
+	private registeredTextures: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
+	private registeredFunctions: Map<string, ImageCompositorFunction & { id: string; uniforms: string[] }> = new Map();
+
+	constructor(options: {
+		canvas: HTMLCanvasElement;
+		renderWidth: number;
+		renderHeight: number;
+		image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement | null;
+		functions: FNS;
+	}) {
+		this.canvas = options.canvas;
+		this.renderWidth = options.renderWidth;
+		this.renderHeight = options.renderHeight;
+
+		this.canvas.width = this.renderWidth;
+		this.canvas.height = this.renderHeight;
+
+		const gl = this.canvas.getContext('webgl2', {
+			preserveDrawingBuffer: false,
+			alpha: true,
+			premultipliedAlpha: false,
+		});
+
+		if (gl == null) throw new Error('Failed to initialize WebGL2 context');
+
+		this.gl = gl;
+
+		gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+
+		const VERTICES = new Float32Array([-1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1]);
+		const vertexBuffer = gl.createBuffer();
+		gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
+		gl.bufferData(gl.ARRAY_BUFFER, VERTICES, gl.STATIC_DRAW);
+
+		if (options.image != null) {
+			this.baseTexture = createTexture(gl);
+			gl.activeTexture(gl.TEXTURE0);
+			gl.bindTexture(gl.TEXTURE_2D, this.baseTexture);
+			gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, options.image.width, options.image.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, options.image);
+			gl.bindTexture(gl.TEXTURE_2D, null);
+		} else {
+			this.baseTexture = createTexture(gl);
+			gl.activeTexture(gl.TEXTURE0);
+		}
+
+		this.nopProgram = initShaderProgram(this.gl, `#version 300 es
+			in vec2 position;
+			out vec2 in_uv;
+
+			void main() {
+				in_uv = (position + 1.0) / 2.0;
+				gl_Position = vec4(position * vec2(1.0, -1.0), 0.0, 1.0);
+			}
+		`, `#version 300 es
+			precision mediump float;
+
+			in vec2 in_uv;
+			uniform sampler2D u_texture;
+			out vec4 out_color;
+
+			void main() {
+				out_color = texture(u_texture, in_uv);
+			}
+		`);
+
+		// レジスタ番号はシェーダープログラムに属しているわけではなく、独立の存在なので、とりあえず nopProgram を使って設定する(その後は効果が持続する)
+		// ref. https://qiita.com/emadurandal/items/5966c8374f03d4de3266
+		const positionLocation = gl.getAttribLocation(this.nopProgram, 'position');
+		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
+		gl.enableVertexAttribArray(positionLocation);
+
+		for (const [id, fn] of Object.entries(options.functions)) {
+			const uniforms = this.extractUniformNamesFromShader(fn.shader);
+			this.registeredFunctions.set(id, { ...fn, id, uniforms });
+		}
+	}
+
+	private extractUniformNamesFromShader(shader: string): string[] {
+		const uniformRegex = /uniform\s+\w+\s+(\w+)\s*;/g;
+		const uniforms: string[] = [];
+		let match;
+		while ((match = uniformRegex.exec(shader)) !== null) {
+			uniforms.push(match[1].replace(/^u_/, ''));
+		}
+		return uniforms;
+	}
+
+	private renderLayer(layer: ImageCompositorLayer, preTexture: WebGLTexture, invert = false) {
+		const gl = this.gl;
+
+		const fn = this.registeredFunctions.get(layer.functionId);
+		if (fn == null) return;
+
+		const cachedShader = this.shaderCache.get(fn.id);
+		const shaderProgram = cachedShader ?? initShaderProgram(this.gl, `#version 300 es
+			in vec2 position;
+			uniform bool u_invert;
+			out vec2 in_uv;
+
+			void main() {
+				in_uv = (position + 1.0) / 2.0;
+				gl_Position = u_invert ? vec4(position * vec2(1.0, -1.0), 0.0, 1.0) : vec4(position, 0.0, 1.0);
+			}
+		`, fn.shader);
+		if (cachedShader == null) {
+			this.shaderCache.set(fn.id, shaderProgram);
+		}
+
+		gl.useProgram(shaderProgram);
+
+		const in_resolution = gl.getUniformLocation(shaderProgram, 'in_resolution');
+		gl.uniform2fv(in_resolution, [this.renderWidth, this.renderHeight]);
+
+		const u_invert = gl.getUniformLocation(shaderProgram, 'u_invert');
+		gl.uniform1i(u_invert, invert ? 1 : 0);
+
+		gl.activeTexture(gl.TEXTURE0);
+		gl.bindTexture(gl.TEXTURE_2D, preTexture);
+		const in_texture = gl.getUniformLocation(shaderProgram, 'in_texture');
+		gl.uniform1i(in_texture, 0);
+
+		fn.main({
+			gl: gl,
+			program: shaderProgram,
+			params: layer.params,
+			u: Object.fromEntries(fn.uniforms.map(u => [u, gl.getUniformLocation(shaderProgram, 'u_' + u)!])),
+			width: this.renderWidth,
+			height: this.renderHeight,
+			textures: this.registeredTextures,
+		});
+
+		gl.drawArrays(gl.TRIANGLES, 0, 6);
+	}
+
+	public render(layers: (ImageCompositorLayer<FNS>)[]) {
+		const gl = this.gl;
+
+		// 入力をそのまま出力
+		if (layers.length === 0) {
+			gl.activeTexture(gl.TEXTURE0);
+			gl.bindTexture(gl.TEXTURE_2D, this.baseTexture);
+
+			gl.useProgram(this.nopProgram);
+			gl.uniform1i(gl.getUniformLocation(this.nopProgram, 'u_texture')!, 0);
+
+			gl.drawArrays(gl.TRIANGLES, 0, 6);
+			return;
+		}
+
+		let preTexture = this.baseTexture;
+
+		for (const layer of layers) {
+			const isLast = layer === layers.at(-1);
+
+			const cachedResultTexture = this.perLayerResultTextures.get(layer.id);
+			const resultTexture = cachedResultTexture ?? createTexture(gl);
+			if (cachedResultTexture == null) {
+				this.perLayerResultTextures.set(layer.id, resultTexture);
+			}
+			gl.bindTexture(gl.TEXTURE_2D, resultTexture);
+			gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.renderWidth, this.renderHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+			gl.bindTexture(gl.TEXTURE_2D, null);
+
+			if (isLast) {
+				gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+			} else {
+				const cachedResultFrameBuffer = this.perLayerResultFrameBuffers.get(layer.id);
+				const resultFrameBuffer = cachedResultFrameBuffer ?? gl.createFramebuffer();
+				if (cachedResultFrameBuffer == null) {
+					this.perLayerResultFrameBuffers.set(layer.id, resultFrameBuffer);
+				}
+				gl.bindFramebuffer(gl.FRAMEBUFFER, resultFrameBuffer);
+				gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, resultTexture, 0);
+			}
+
+			this.renderLayer(layer, preTexture, isLast);
+
+			preTexture = resultTexture;
+		}
+	}
+
+	public registerTexture(key: string, image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement) {
+		const gl = this.gl;
+
+		const existing = this.registeredTextures.get(key);
+		if (existing != null) {
+			gl.deleteTexture(existing.texture);
+			this.registeredTextures.delete(key);
+		}
+
+		const texture = createTexture(gl);
+		gl.activeTexture(gl.TEXTURE0);
+		gl.bindTexture(gl.TEXTURE_2D, texture);
+		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
+		gl.bindTexture(gl.TEXTURE_2D, null);
+
+		this.registeredTextures.set(key, {
+			texture: texture,
+			width: image.width,
+			height: image.height,
+		});
+	}
+
+	public unregisterTexture(key: string) {
+		const gl = this.gl;
+
+		const existing = this.registeredTextures.get(key);
+		if (existing != null) {
+			gl.deleteTexture(existing.texture);
+			this.registeredTextures.delete(key);
+		}
+	}
+
+	public hasTexture(key: string) {
+		return this.registeredTextures.has(key);
+	}
+
+	public getKeysOfRegisteredTextures() {
+		return this.registeredTextures.keys();
+	}
+
+	public changeResolution(width: number, height: number) {
+		if (this.renderWidth === width && this.renderHeight === height) return;
+
+		this.renderWidth = width;
+		this.renderHeight = height;
+		if (this.canvas) {
+			this.canvas.width = this.renderWidth;
+			this.canvas.height = this.renderHeight;
+		}
+		this.gl.viewport(0, 0, this.renderWidth, this.renderHeight);
+	}
+
+	/*
+	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
+	 */
+	public destroy(disposeCanvas = true) {
+		this.gl.deleteProgram(this.nopProgram);
+
+		for (const shader of this.shaderCache.values()) {
+			this.gl.deleteProgram(shader);
+		}
+		this.shaderCache.clear();
+
+		for (const texture of this.perLayerResultTextures.values()) {
+			this.gl.deleteTexture(texture);
+		}
+		this.perLayerResultTextures.clear();
+
+		for (const framebuffer of this.perLayerResultFrameBuffers.values()) {
+			this.gl.deleteFramebuffer(framebuffer);
+		}
+		this.perLayerResultFrameBuffers.clear();
+
+		for (const texture of this.registeredTextures.values()) {
+			this.gl.deleteTexture(texture.texture);
+		}
+		this.registeredTextures.clear();
+
+		this.gl.deleteTexture(this.baseTexture);
+
+		if (disposeCanvas) {
+			const loseContextExt = this.gl.getExtension('WEBGL_lose_context');
+			if (loseContextExt) loseContextExt.loseContext();
+		}
+	}
+}
--- a/packages/frontend/src/lib/pizzax.ts
+++ b/packages/frontend/src/lib/pizzax.ts
@ -5,6 +5,8 @@

 // PIZZAX --- A lightweight store

+// TODO: Misskeyのドメイン知識があるのでutilityなどに移動する
+
 import { onUnmounted, ref, watch } from 'vue';
 import { BroadcastChannel } from 'broadcast-channel';
 import type { Ref } from 'vue';
--- a/packages/frontend/src/pages/settings/drive.ImageFrameItem.vue
+++ b/packages/frontend/src/pages/settings/drive.ImageFrameItem.vue
@ -0,0 +1,113 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkFolder :defaultOpen="false" :canPage="false">
+	<template #icon><i class="ti ti-pencil"></i></template>
+	<template #label>{{ i18n.ts.preset }}: {{ preset.name === '' ? '(' + i18n.ts.noName + ')' : preset.name }}</template>
+	<template #footer>
+		<div class="_buttons">
+			<MkButton @click="edit"><i class="ti ti-pencil"></i> {{ i18n.ts.edit }}</MkButton>
+			<MkButton danger iconOnly style="margin-left: auto;" @click="del"><i class="ti ti-trash"></i></MkButton>
+		</div>
+	</template>
+
+	<div>
+		<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
+	</div>
+</MkFolder>
+</template>
+
+<script lang="ts" setup>
+import { defineAsyncComponent, onMounted, onUnmounted, ref, useTemplateRef, watch } from 'vue';
+import type { ImageFramePreset } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
+import { ImageFrameRenderer } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
+import MkButton from '@/components/MkButton.vue';
+import * as os from '@/os.js';
+import { i18n } from '@/i18n.js';
+import { deepClone } from '@/utility/clone.js';
+import MkFolder from '@/components/MkFolder.vue';
+
+const props = defineProps<{
+	preset: ImageFramePreset;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'updatePreset', preset: ImageFramePreset): void,
+	(ev: 'del'): void,
+}>();
+
+async function edit() {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkImageFrameEditorDialog.vue')), {
+		presetEditMode: true,
+		preset: deepClone(props.preset),
+		params: deepClone(props.preset.params),
+	}, {
+		presetOk: (preset) => {
+			emit('updatePreset', preset);
+		},
+		closed: () => dispose(),
+	});
+}
+
+function del(ev: MouseEvent) {
+	os.popupMenu([{
+		text: i18n.ts.delete,
+		action: () => {
+			emit('del');
+		},
+	}], ev.currentTarget ?? ev.target);
+}
+
+const canvasEl = useTemplateRef('canvasEl');
+
+const sampleImage = new Image();
+sampleImage.src = '/client-assets/sample/3-2.jpg';
+
+let renderer: ImageFrameRenderer | null = null;
+
+onMounted(() => {
+	sampleImage.onload = async () => {
+		watch(canvasEl, async () => {
+			if (canvasEl.value == null) return;
+
+			renderer = new ImageFrameRenderer({
+				canvas: canvasEl.value,
+				image: sampleImage,
+				exif: null,
+				caption: 'Example caption',
+				filename: 'example_file_name.jpg',
+				renderAsPreview: true,
+			});
+
+			await renderer.render(props.preset.params);
+		}, { immediate: true });
+	};
+});
+
+onUnmounted(() => {
+	if (renderer != null) {
+		renderer.destroy();
+		renderer = null;
+	}
+});
+
+watch(() => props.preset, async () => {
+	if (renderer != null) {
+		await renderer.render(props.preset.params);
+	}
+}, { deep: true });
+</script>
+
+<style lang="scss" module>
+.previewCanvas {
+	display: block;
+	width: 100%;
+	height: 100%;
+	max-height: 200px;
+	box-sizing: border-box;
+	object-fit: contain;
+}
+</style>
--- a/packages/frontend/src/pages/settings/drive.WatermarkItem.vue
+++ b/packages/frontend/src/pages/settings/drive.WatermarkItem.vue
@ -22,8 +22,8 @@ SPDX-License-Identifier: AGPL-3.0-only

 <script lang="ts" setup>
 import { defineAsyncComponent, onMounted, onUnmounted, ref, useTemplateRef, watch } from 'vue';
-import type { WatermarkPreset } from '@/utility/watermark.js';
-import { WatermarkRenderer } from '@/utility/watermark.js';
+import type { WatermarkPreset } from '@/utility/watermark/WatermarkRenderer.js';
+import { WatermarkRenderer } from '@/utility/watermark/WatermarkRenderer.js';
 import MkButton from '@/components/MkButton.vue';
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
@ -41,9 +41,11 @@ const emit = defineEmits<{

 async function edit() {
 	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkWatermarkEditorDialog.vue')), {
+		presetEditMode: true,
 		preset: deepClone(props.preset),
+		layers: deepClone(props.preset.layers),
 	}, {
-		ok: (preset) => {
+		presetOk: (preset) => {
 			emit('updatePreset', preset);
 		},
 		closed: () => dispose(),
@ -78,9 +80,7 @@ onMounted(() => {
 				image: sampleImage,
 			});

-			await renderer.setLayers(props.preset.layers);
-
-			renderer.render();
+			await renderer.render(props.preset.layers);
 		}, { immediate: true });
 	};
 });
@ -94,8 +94,7 @@ onUnmounted(() => {

 watch(() => props.preset, async () => {
 	if (renderer != null) {
-		await renderer.setLayers(props.preset.layers);
-		renderer.render();
+		await renderer.render(props.preset.layers);
 	}
 }, { deep: true });
 </script>
--- a/packages/frontend/src/pages/settings/drive.vue
+++ b/packages/frontend/src/pages/settings/drive.vue
@ -124,6 +124,34 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</MkFolder>
 					</SearchMarker>

+					<SearchMarker :keywords="['label', 'frame', 'credit', 'metadata']">
+						<MkFolder>
+							<template #icon><i class="ti ti-device-ipad-horizontal"></i></template>
+							<template #label><SearchLabel>{{ i18n.ts.frame }}</SearchLabel></template>
+							<template #caption>{{ i18n.ts._imageFrameEditor.tip }}</template>
+
+							<div class="_gaps">
+								<div class="_gaps_s">
+									<XImageFrameItem
+										v-for="(preset, i) in prefer.r.imageFramePresets.value"
+										:key="preset.id"
+										:preset="preset"
+										@updatePreset="onUpdateImageFramePreset(preset.id, $event)"
+										@del="onDeleteImageFramePreset(preset.id)"
+									/>
+
+									<MkButton iconOnly rounded style="margin: 0 auto;" @click="addImageFramePreset"><i class="ti ti-plus"></i></MkButton>
+
+									<SearchMarker :keywords="['sync', 'frame', 'label', 'preset', 'devices']">
+										<MkSwitch :modelValue="imageFramePresetsSyncEnabled" @update:modelValue="changeImageFramePresetsSyncEnabled">
+											<template #label><i class="ti ti-cloud-cog"></i> <SearchLabel>{{ i18n.ts.syncBetweenDevices }}</SearchLabel></template>
+										</MkSwitch>
+									</SearchMarker>
+								</div>
+							</div>
+						</MkFolder>
+					</SearchMarker>
+
 					<SearchMarker :keywords="['default', 'image', 'compression']">
 						<MkPreferenceContainer k="defaultImageCompressionLevel">
 							<MkSelect
@ -175,7 +203,9 @@ import { computed, defineAsyncComponent, ref } from 'vue';
 import * as Misskey from 'misskey-js';
 import tinycolor from 'tinycolor2';
 import XWatermarkItem from './drive.WatermarkItem.vue';
-import type { WatermarkPreset } from '@/utility/watermark.js';
+import XImageFrameItem from './drive.ImageFrameItem.vue';
+import type { WatermarkPreset } from '@/utility/watermark/WatermarkRenderer.js';
+import type { ImageFramePreset } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
 import FormLink from '@/components/form/link.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkSelect from '@/components/MkSelect.vue';
@ -195,6 +225,7 @@ import MkFeatureBanner from '@/components/MkFeatureBanner.vue';
 import { selectDriveFolder } from '@/utility/drive.js';
 import MkFolder from '@/components/MkFolder.vue';
 import MkButton from '@/components/MkButton.vue';
+import { genId } from '@/utility/id.js';

 const $i = ensureSignin();

@ -236,6 +267,20 @@ function changeWatermarkPresetsSyncEnabled(value: boolean) {
 	}
 }

+const imageFramePresetsSyncEnabled = ref(prefer.isSyncEnabled('imageFramePresets'));
+
+function changeImageFramePresetsSyncEnabled(value: boolean) {
+	if (value) {
+		prefer.enableSync('imageFramePresets').then((res) => {
+			if (res == null) return;
+			if (res.enabled) imageFramePresetsSyncEnabled.value = true;
+		});
+	} else {
+		prefer.disableSync('imageFramePresets');
+		imageFramePresetsSyncEnabled.value = false;
+	}
+}
+
 misskeyApi('drive').then(info => {
 	capacity.value = info.capacity;
 	usage.value = info.usage;
@ -266,8 +311,11 @@ function chooseUploadFolder() {

 async function addWatermarkPreset() {
 	const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkWatermarkEditorDialog.vue').then(x => x.default), {
+		presetEditMode: true,
+		preset: null,
+		layers: [],
 	}, {
-		ok: (preset: WatermarkPreset) => {
+		presetOk: (preset) => {
 			prefer.commit('watermarkPresets', [...prefer.s.watermarkPresets, preset]);
 		},
 		closed: () => dispose(),
@ -299,6 +347,40 @@ function onDeleteWatermarkPreset(id: string) {
 	}
 }

+function onUpdateImageFramePreset(id: string, preset: ImageFramePreset) {
+	const index = prefer.s.imageFramePresets.findIndex(p => p.id === id);
+	if (index !== -1) {
+		prefer.commit('imageFramePresets', [
+			...prefer.s.imageFramePresets.slice(0, index),
+			preset,
+			...prefer.s.imageFramePresets.slice(index + 1),
+		]);
+	}
+}
+
+function onDeleteImageFramePreset(id: string) {
+	const index = prefer.s.imageFramePresets.findIndex(p => p.id === id);
+	if (index !== -1) {
+		prefer.commit('imageFramePresets', [
+			...prefer.s.imageFramePresets.slice(0, index),
+			...prefer.s.imageFramePresets.slice(index + 1),
+		]);
+	}
+}
+
+async function addImageFramePreset() {
+	const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkImageFrameEditorDialog.vue').then(x => x.default), {
+		presetEditMode: true,
+		preset: null,
+		params: null,
+	}, {
+		presetOk: (preset) => {
+			prefer.commit('imageFramePresets', [...prefer.s.imageFramePresets, preset]);
+		},
+		closed: () => dispose(),
+	});
+}
+
 function saveProfile() {
 	misskeyApi('i/update', {
 		alwaysMarkNsfw: !!alwaysMarkNsfw.value,
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@ -12,7 +12,8 @@ import type { SoundType } from '@/utility/sound.js';
 import type { Plugin } from '@/plugin.js';
 import type { DeviceKind } from '@/utility/device-kind.js';
 import type { DeckProfile } from '@/deck.js';
-import type { WatermarkPreset } from '@/utility/watermark.js';
+import type { WatermarkPreset } from '@/utility/watermark/WatermarkRenderer.js';
+import type { ImageFramePreset } from '@/utility/image-frame-renderer/ImageFrameRenderer.js';
 import { genId } from '@/utility/id.js';
 import { DEFAULT_DEVICE_KIND } from '@/utility/device-kind.js';
 import { deepEqual } from '@/utility/deep-equal.js';
@ -437,6 +438,26 @@ export const PREF_DEF = definePreferences({
 		accountDependent: true,
 		default: null as WatermarkPreset['id'] | null,
 	},
+	imageFramePresets: {
+		accountDependent: true,
+		default: [] as ImageFramePreset[],
+		mergeStrategy: (a, b) => {
+			const mergedItems = [] as typeof a;
+			for (const x of a.concat(b)) {
+				const sameIdItem = mergedItems.find(y => y.id === x.id);
+				if (sameIdItem != null) {
+					if (deepEqual(x, sameIdItem)) { // 完全な重複は無視
+						continue;
+					} else { // IDは同じなのに内容が違う場合はマージ不可とする
+						throw new Error();
+					}
+				} else {
+					mergedItems.push(x);
+				}
+			}
+			return mergedItems;
+		},
+	},
 	defaultImageCompressionLevel: {
 		default: 2 as 0 | 1 | 2 | 3,
 	},
--- a/packages/frontend/src/utility/image-compositor-functions/blockNoise.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/blockNoise.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/blockNoise.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/blockNoise.ts
@ -5,14 +5,42 @@

 import seedrandom from 'seedrandom';
 import shader from './blockNoise.glsl';
-import { defineImageEffectorFx } from '../ImageEffector.js';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_blockNoise = defineImageEffectorFx({
-	id: 'blockNoise',
-	name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.blockNoise,
+export const fn = defineImageCompositorFunction<{
+	amount: number;
+	strength: number;
+	width: number;
+	height: number;
+	channelShift: number;
+	seed: number;
+}>({
 	shader,
-	uniforms: ['amount', 'channelShift'] as const,
+	main: ({ gl, program, u, params }) => {
+		gl.uniform1i(u.amount, params.amount);
+		gl.uniform1f(u.channelShift, params.channelShift);
+
+		const margin = 0;
+
+		const rnd = seedrandom(params.seed.toString());
+
+		for (let i = 0; i < params.amount; i++) {
+			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
+			gl.uniform2f(o, (rnd() * (1 + (margin * 2))) - margin, (rnd() * (1 + (margin * 2))) - margin);
+
+			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
+			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
+
+			const sizes = gl.getUniformLocation(program, `u_shiftSizes[${i.toString()}]`);
+			gl.uniform2f(sizes, params.width, params.height);
+		}
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.blockNoise,
 	params: {
 		amount: {
 			label: i18n.ts._imageEffector._fxProps.amount,
@ -64,23 +92,4 @@ export const FX_blockNoise = defineImageEffectorFx({
 			default: 100,
 		},
 	},
-	main: ({ gl, program, u, params }) => {
-		gl.uniform1i(u.amount, params.amount);
-		gl.uniform1f(u.channelShift, params.channelShift);
-
-		const margin = 0;
-
-		const rnd = seedrandom(params.seed.toString());
-
-		for (let i = 0; i < params.amount; i++) {
-			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
-			gl.uniform2f(o, (rnd() * (1 + (margin * 2))) - margin, (rnd() * (1 + (margin * 2))) - margin);
-
-			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
-			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
-
-			const sizes = gl.getUniformLocation(program, `u_shiftSizes[${i.toString()}]`);
-			gl.uniform2f(sizes, params.width, params.height);
-		}
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/blur.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/blur.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/blur.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/blur.ts
@ -3,15 +3,33 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './blur.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_blur = defineImageEffectorFx({
-	id: 'blur',
-	name: i18n.ts._imageEffector._fxs.blur,
+export const fn = defineImageCompositorFunction<{
+	offsetX: number;
+	offsetY: number;
+	scaleX: number;
+	scaleY: number;
+	ellipse: boolean;
+	angle: number;
+	radius: number;
+}>({
 	shader,
-	uniforms: ['offset', 'scale', 'ellipse', 'angle', 'radius', 'samples'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform2f(u.offset, params.offsetX / 2, params.offsetY / 2);
+		gl.uniform2f(u.scale, params.scaleX / 2, params.scaleY / 2);
+		gl.uniform1i(u.ellipse, params.ellipse ? 1 : 0);
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.radius, params.radius);
+		gl.uniform1i(u.samples, 256);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.blur,
 	params: {
 		offsetX: {
 			label: i18n.ts._imageEffector._fxProps.offset + ' X',
@ -72,12 +90,4 @@ export const FX_blur = defineImageEffectorFx({
 			step: 0.5,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform2f(u.offset, params.offsetX / 2, params.offsetY / 2);
-		gl.uniform2f(u.scale, params.scaleX / 2, params.scaleY / 2);
-		gl.uniform1i(u.ellipse, params.ellipse ? 1 : 0);
-		gl.uniform1f(u.angle, params.angle / 2);
-		gl.uniform1f(u.radius, params.radius);
-		gl.uniform1i(u.samples, 256);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/checker.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/checker.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/checker.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/checker.ts
@ -3,15 +3,28 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './checker.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_checker = defineImageEffectorFx({
-	id: 'checker',
-	name: i18n.ts._imageEffector._fxs.checker,
+export const fn = defineImageCompositorFunction<{
+	angle: number;
+	scale: number;
+	color: [number, number, number];
+	opacity: number;
+}>({
 	shader,
-	uniforms: ['angle', 'scale', 'color', 'opacity'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.scale, params.scale * params.scale);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.opacity, params.opacity);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.checker,
 	params: {
 		angle: {
 			label: i18n.ts._imageEffector._fxProps.angle,
@ -45,10 +58,4 @@ export const FX_checker = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.angle, params.angle / 2);
-		gl.uniform1f(u.scale, params.scale * params.scale);
-		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
-		gl.uniform1f(u.opacity, params.opacity);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/chromaticAberration.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/chromaticAberration.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/chromaticAberration.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/chromaticAberration.ts
@ -3,15 +3,24 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './chromaticAberration.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_chromaticAberration = defineImageEffectorFx({
-	id: 'chromaticAberration',
-	name: i18n.ts._imageEffector._fxs.chromaticAberration,
+export const fn = defineImageCompositorFunction<{
+	normalize: boolean;
+	amount: number;
+}>({
 	shader,
-	uniforms: ['amount', 'start', 'normalize'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.amount, params.amount);
+		gl.uniform1i(u.normalize, params.normalize ? 1 : 0);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.chromaticAberration,
 	params: {
 		normalize: {
 			label: i18n.ts._imageEffector._fxProps.normalize,
@ -27,8 +36,4 @@ export const FX_chromaticAberration = defineImageEffectorFx({
 			step: 0.01,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.amount, params.amount);
-		gl.uniform1i(u.normalize, params.normalize ? 1 : 0);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/colorAdjust.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/colorAdjust.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/colorAdjust.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/colorAdjust.ts
@ -3,15 +3,30 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './colorAdjust.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_colorAdjust = defineImageEffectorFx({
-	id: 'colorAdjust',
-	name: i18n.ts._imageEffector._fxs.colorAdjust,
+export const fn = defineImageCompositorFunction<{
+	lightness: number;
+	contrast: number;
+	hue: number;
+	brightness: number;
+	saturation: number;
+}>({
 	shader,
-	uniforms: ['lightness', 'contrast', 'hue', 'brightness', 'saturation'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.brightness, params.brightness);
+		gl.uniform1f(u.contrast, params.contrast);
+		gl.uniform1f(u.hue, params.hue / 2);
+		gl.uniform1f(u.lightness, params.lightness);
+		gl.uniform1f(u.saturation, params.saturation);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.colorAdjust,
 	params: {
 		lightness: {
 			label: i18n.ts._imageEffector._fxProps.lightness,
@ -59,11 +74,4 @@ export const FX_colorAdjust = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.brightness, params.brightness);
-		gl.uniform1f(u.contrast, params.contrast);
-		gl.uniform1f(u.hue, params.hue / 2);
-		gl.uniform1f(u.lightness, params.lightness);
-		gl.uniform1f(u.saturation, params.saturation);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/colorClamp.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/colorClamp.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/colorClamp.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/colorClamp.ts
@ -3,15 +3,28 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './colorClamp.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_colorClamp = defineImageEffectorFx({
-	id: 'colorClamp',
-	name: i18n.ts._imageEffector._fxs.colorClamp,
+export const fn = defineImageCompositorFunction<{
+	max: number;
+	min: number;
+}>({
 	shader,
-	uniforms: ['rMax', 'rMin', 'gMax', 'gMin', 'bMax', 'bMin'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.rMax, params.max);
+		gl.uniform1f(u.rMin, 1.0 + params.min);
+		gl.uniform1f(u.gMax, params.max);
+		gl.uniform1f(u.gMin, 1.0 + params.min);
+		gl.uniform1f(u.bMax, params.max);
+		gl.uniform1f(u.bMin, 1.0 + params.min);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.colorClamp,
 	params: {
 		max: {
 			label: i18n.ts._imageEffector._fxProps.max,
@ -32,12 +45,4 @@ export const FX_colorClamp = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.rMax, params.max);
-		gl.uniform1f(u.rMin, 1.0 + params.min);
-		gl.uniform1f(u.gMax, params.max);
-		gl.uniform1f(u.gMin, 1.0 + params.min);
-		gl.uniform1f(u.bMax, params.max);
-		gl.uniform1f(u.bMin, 1.0 + params.min);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/colorClampAdvanced.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/colorClampAdvanced.ts
@ -3,15 +3,32 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './colorClamp.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_colorClampAdvanced = defineImageEffectorFx({
-	id: 'colorClampAdvanced',
-	name: i18n.ts._imageEffector._fxs.colorClampAdvanced,
+export const fn = defineImageCompositorFunction<{
+	rMax: number;
+	rMin: number;
+	gMax: number;
+	gMin: number;
+	bMax: number;
+	bMin: number;
+}>({
 	shader,
-	uniforms: ['rMax', 'rMin', 'gMax', 'gMin', 'bMax', 'bMin'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.rMax, params.rMax);
+		gl.uniform1f(u.rMin, 1.0 + params.rMin);
+		gl.uniform1f(u.gMax, params.gMax);
+		gl.uniform1f(u.gMin, 1.0 + params.gMin);
+		gl.uniform1f(u.bMax, params.bMax);
+		gl.uniform1f(u.bMin, 1.0 + params.bMin);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.colorClampAdvanced,
 	params: {
 		rMax: {
 			label: `${i18n.ts._imageEffector._fxProps.max} (${i18n.ts._imageEffector._fxProps.redComponent})`,
@ -68,12 +85,4 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.rMax, params.rMax);
-		gl.uniform1f(u.rMin, 1.0 + params.rMin);
-		gl.uniform1f(u.gMax, params.gMax);
-		gl.uniform1f(u.gMin, 1.0 + params.gMin);
-		gl.uniform1f(u.bMax, params.bMax);
-		gl.uniform1f(u.bMin, 1.0 + params.bMin);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/distort.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/distort.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/distort.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/distort.ts
@ -3,15 +3,28 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './distort.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_distort = defineImageEffectorFx({
-	id: 'distort',
-	name: i18n.ts._imageEffector._fxs.distort,
+export const fn = defineImageCompositorFunction<{
+	direction: number;
+	phase: number;
+	frequency: number;
+	strength: number;
+}>({
 	shader,
-	uniforms: ['phase', 'frequency', 'strength', 'direction'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.phase, params.phase);
+		gl.uniform1f(u.frequency, params.frequency);
+		gl.uniform1f(u.strength, params.strength);
+		gl.uniform1i(u.direction, params.direction);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.distort,
 	params: {
 		direction: {
 			label: i18n.ts._imageEffector._fxProps.direction,
@ -49,10 +62,4 @@ export const FX_distort = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.phase, params.phase);
-		gl.uniform1f(u.frequency, params.frequency);
-		gl.uniform1f(u.strength, params.strength);
-		gl.uniform1i(u.direction, params.direction);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/fill.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/fill.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/fill.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/fill.ts
@ -3,15 +3,34 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './fill.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_fill = defineImageEffectorFx({
-	id: 'fill',
-	name: i18n.ts._imageEffector._fxs.fill,
+export const fn = defineImageCompositorFunction<{
+	offsetX: number;
+	offsetY: number;
+	scaleX: number;
+	scaleY: number;
+	ellipse: boolean;
+	angle: number;
+	color: [number, number, number];
+	opacity: number;
+}>({
 	shader,
-	uniforms: ['offset', 'scale', 'ellipse', 'angle', 'color', 'opacity'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform2f(u.offset, params.offsetX / 2, params.offsetY / 2);
+		gl.uniform2f(u.scale, params.scaleX / 2, params.scaleY / 2);
+		gl.uniform1i(u.ellipse, params.ellipse ? 1 : 0);
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.opacity, params.opacity);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.fill,
 	params: {
 		offsetX: {
 			label: i18n.ts._imageEffector._fxProps.offset + ' X',
@ -78,12 +97,4 @@ export const FX_fill = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform2f(u.offset, params.offsetX / 2, params.offsetY / 2);
-		gl.uniform2f(u.scale, params.scaleX / 2, params.scaleY / 2);
-		gl.uniform1i(u.ellipse, params.ellipse ? 1 : 0);
-		gl.uniform1f(u.angle, params.angle / 2);
-		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
-		gl.uniform1f(u.opacity, params.opacity);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/grayscale.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/grayscale.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/grayscale.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/grayscale.ts
@ -0,0 +1,21 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import shader from './grayscale.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
+import { i18n } from '@/i18n.js';
+
+export const fn = defineImageCompositorFunction({
+	shader,
+	main: ({ gl, u, params }) => {
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.grayscale,
+	params: {
+	},
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/invert.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/invert.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/invert.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/invert.ts
@ -3,15 +3,26 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './invert.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_invert = defineImageEffectorFx({
-	id: 'invert',
-	name: i18n.ts._imageEffector._fxs.invert,
+export const fn = defineImageCompositorFunction<{
+	r: boolean;
+	g: boolean;
+	b: boolean;
+}>({
 	shader,
-	uniforms: ['r', 'g', 'b'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1i(u.r, params.r ? 1 : 0);
+		gl.uniform1i(u.g, params.g ? 1 : 0);
+		gl.uniform1i(u.b, params.b ? 1 : 0);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.invert,
 	params: {
 		r: {
 			label: i18n.ts._imageEffector._fxProps.redComponent,
@ -29,9 +40,4 @@ export const FX_invert = defineImageEffectorFx({
 			default: true,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1i(u.r, params.r ? 1 : 0);
-		gl.uniform1i(u.g, params.g ? 1 : 0);
-		gl.uniform1i(u.b, params.b ? 1 : 0);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/mirror.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/mirror.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/mirror.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/mirror.ts
@ -3,15 +3,24 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './mirror.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_mirror = defineImageEffectorFx({
-	id: 'mirror',
-	name: i18n.ts._imageEffector._fxs.mirror,
+export const fn = defineImageCompositorFunction<{
+	h: number;
+	v: number;
+}>({
 	shader,
-	uniforms: ['h', 'v'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1i(u.h, params.h);
+		gl.uniform1i(u.v, params.v);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.mirror,
 	params: {
 		h: {
 			label: i18n.ts.horizontal,
@ -19,7 +28,7 @@ export const FX_mirror = defineImageEffectorFx({
 			enum: [
 				{ value: -1 as const, icon: 'ti ti-arrow-bar-right' },
 				{ value: 0 as const, icon: 'ti ti-minus-vertical' },
-				{ value: 1 as const, icon: 'ti ti-arrow-bar-left' }
+				{ value: 1 as const, icon: 'ti ti-arrow-bar-left' },
 			],
 			default: -1,
 		},
@ -29,13 +38,9 @@ export const FX_mirror = defineImageEffectorFx({
 			enum: [
 				{ value: -1 as const, icon: 'ti ti-arrow-bar-down' },
 				{ value: 0 as const, icon: 'ti ti-minus' },
-				{ value: 1 as const, icon: 'ti ti-arrow-bar-up' }
+				{ value: 1 as const, icon: 'ti ti-arrow-bar-up' },
 			],
 			default: 0,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1i(u.h, params.h);
-		gl.uniform1i(u.v, params.v);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/pixelate.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/pixelate.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/pixelate.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/pixelate.ts
@ -3,15 +3,33 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './pixelate.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_pixelate = defineImageEffectorFx({
-	id: 'pixelate',
-	name: i18n.ts._imageEffector._fxs.pixelate,
+export const fn = defineImageCompositorFunction<{
+	offsetX: number;
+	offsetY: number;
+	scaleX: number;
+	scaleY: number;
+	ellipse: boolean;
+	angle: number;
+	strength: number;
+}>({
 	shader,
-	uniforms: ['offset', 'scale', 'ellipse', 'angle', 'strength', 'samples'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform2f(u.offset, params.offsetX / 2, params.offsetY / 2);
+		gl.uniform2f(u.scale, params.scaleX / 2, params.scaleY / 2);
+		gl.uniform1i(u.ellipse, params.ellipse ? 1 : 0);
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.strength, params.strength * params.strength);
+		gl.uniform1i(u.samples, 256);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.pixelate,
 	params: {
 		offsetX: {
 			label: i18n.ts._imageEffector._fxProps.offset + ' X',
@ -72,12 +90,4 @@ export const FX_pixelate = defineImageEffectorFx({
 			step: 0.01,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform2f(u.offset, params.offsetX / 2, params.offsetY / 2);
-		gl.uniform2f(u.scale, params.scaleX / 2, params.scaleY / 2);
-		gl.uniform1i(u.ellipse, params.ellipse ? 1 : 0);
-		gl.uniform1f(u.angle, params.angle / 2);
-		gl.uniform1f(u.strength, params.strength * params.strength);
-		gl.uniform1i(u.samples, 256);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/polkadot.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/polkadot.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/polkadot.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/polkadot.ts
@ -3,16 +3,36 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './polkadot.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-// Primarily used for watermark
-export const FX_polkadot = defineImageEffectorFx({
-	id: 'polkadot',
-	name: i18n.ts._imageEffector._fxs.polkadot,
+export const fn = defineImageCompositorFunction<{
+	angle: number;
+	scale: number;
+	majorRadius: number;
+	majorOpacity: number;
+	minorDivisions: number;
+	minorRadius: number;
+	minorOpacity: number;
+	color: [number, number, number];
+}>({
 	shader,
-	uniforms: ['angle', 'scale', 'major_radius', 'major_opacity', 'minor_divisions', 'minor_radius', 'minor_opacity', 'color'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.scale, params.scale * params.scale);
+		gl.uniform1f(u.major_radius, params.majorRadius);
+		gl.uniform1f(u.major_opacity, params.majorOpacity);
+		gl.uniform1f(u.minor_divisions, params.minorDivisions);
+		gl.uniform1f(u.minor_radius, params.minorRadius);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.minor_opacity, params.minorOpacity);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.polkadot,
 	params: {
 		angle: {
 			label: i18n.ts._imageEffector._fxProps.angle,
@ -79,14 +99,4 @@ export const FX_polkadot = defineImageEffectorFx({
 			default: [1, 1, 1],
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.angle, params.angle / 2);
-		gl.uniform1f(u.scale, params.scale * params.scale);
-		gl.uniform1f(u.major_radius, params.majorRadius);
-		gl.uniform1f(u.major_opacity, params.majorOpacity);
-		gl.uniform1f(u.minor_divisions, params.minorDivisions);
-		gl.uniform1f(u.minor_radius, params.minorRadius);
-		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
-		gl.uniform1f(u.minor_opacity, params.minorOpacity);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/stripe.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/stripe.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/stripe.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/stripe.ts
@ -3,16 +3,31 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './stripe.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-// Primarily used for watermark
-export const FX_stripe = defineImageEffectorFx({
-	id: 'stripe',
-	name: i18n.ts._imageEffector._fxs.stripe,
+export const fn = defineImageCompositorFunction<{
+	angle: number;
+	frequency: number;
+	threshold: number;
+	color: [number, number, number];
+	opacity: number;
+}>({
 	shader,
-	uniforms: ['angle', 'frequency', 'phase', 'threshold', 'color', 'opacity'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.frequency, params.frequency * params.frequency);
+		gl.uniform1f(u.phase, 0.0);
+		gl.uniform1f(u.threshold, params.threshold);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.opacity, params.opacity);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.stripe,
 	params: {
 		angle: {
 			label: i18n.ts._imageEffector._fxProps.angle,
@ -55,12 +70,4 @@ export const FX_stripe = defineImageEffectorFx({
 			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.angle, params.angle / 2);
-		gl.uniform1f(u.frequency, params.frequency * params.frequency);
-		gl.uniform1f(u.phase, 0.0);
-		gl.uniform1f(u.threshold, params.threshold);
-		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
-		gl.uniform1f(u.opacity, params.opacity);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/tearing.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/tearing.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/tearing.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/tearing.ts
@ -5,14 +5,39 @@

 import seedrandom from 'seedrandom';
 import shader from './tearing.glsl';
-import { defineImageEffectorFx } from '../ImageEffector.js';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_tearing = defineImageEffectorFx({
-	id: 'tearing',
-	name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.tearing,
+export const fn = defineImageCompositorFunction<{
+	amount: number;
+	strength: number;
+	size: number;
+	channelShift: number;
+	seed: number;
+}>({
 	shader,
-	uniforms: ['amount', 'channelShift'] as const,
+	main: ({ gl, program, u, params }) => {
+		gl.uniform1i(u.amount, params.amount);
+		gl.uniform1f(u.channelShift, params.channelShift);
+
+		const rnd = seedrandom(params.seed.toString());
+
+		for (let i = 0; i < params.amount; i++) {
+			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
+			gl.uniform1f(o, rnd());
+
+			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
+			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
+
+			const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
+			gl.uniform1f(h, rnd() * params.size);
+		}
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.tearing,
 	params: {
 		amount: {
 			label: i18n.ts._imageEffector._fxProps.amount,
@ -55,21 +80,4 @@ export const FX_tearing = defineImageEffectorFx({
 			default: 100,
 		},
 	},
-	main: ({ gl, program, u, params }) => {
-		gl.uniform1i(u.amount, params.amount);
-		gl.uniform1f(u.channelShift, params.channelShift);
-
-		const rnd = seedrandom(params.seed.toString());
-
-		for (let i = 0; i < params.amount; i++) {
-			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
-			gl.uniform1f(o, rnd());
-
-			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
-			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
-
-			const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
-			gl.uniform1f(h, rnd() * params.size);
-		}
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/threshold.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/threshold.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/threshold.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/threshold.ts
@ -3,15 +3,26 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './threshold.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_threshold = defineImageEffectorFx({
-	id: 'threshold',
-	name: i18n.ts._imageEffector._fxs.threshold,
+export const fn = defineImageCompositorFunction<{
+	r: number;
+	g: number;
+	b: number;
+}>({
 	shader,
-	uniforms: ['r', 'g', 'b'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.r, params.r);
+		gl.uniform1f(u.g, params.g);
+		gl.uniform1f(u.b, params.b);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.threshold,
 	params: {
 		r: {
 			label: i18n.ts._imageEffector._fxProps.redComponent,
@ -38,9 +49,4 @@ export const FX_threshold = defineImageEffectorFx({
 			step: 0.01,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.r, params.r);
-		gl.uniform1f(u.g, params.g);
-		gl.uniform1f(u.b, params.b);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-compositor-functions/zoomLines.glsl
+++ b/packages/frontend/src/utility/image-compositor-functions/zoomLines.glsl
--- a/packages/frontend/src/utility/image-compositor-functions/zoomLines.ts
+++ b/packages/frontend/src/utility/image-compositor-functions/zoomLines.ts
@ -3,15 +3,34 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
 import shader from './zoomLines.glsl';
+import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 import { i18n } from '@/i18n.js';

-export const FX_zoomLines = defineImageEffectorFx({
-	id: 'zoomLines',
-	name: i18n.ts._imageEffector._fxs.zoomLines,
+export const fn = defineImageCompositorFunction<{
+	x: number;
+	y: number;
+	frequency: number;
+	smoothing: boolean;
+	threshold: number;
+	maskSize: number;
+	black: boolean;
+}>({
 	shader,
-	uniforms: ['pos', 'frequency', 'thresholdEnabled', 'threshold', 'maskSize', 'black'] as const,
+	main: ({ gl, u, params }) => {
+		gl.uniform2f(u.pos, params.x / 2, params.y / 2);
+		gl.uniform1f(u.frequency, params.frequency * params.frequency);
+		// thresholdの調整が有効な間はsmoothingが利用できない
+		gl.uniform1i(u.thresholdEnabled, params.smoothing ? 0 : 1);
+		gl.uniform1f(u.threshold, params.threshold);
+		gl.uniform1f(u.maskSize, params.maskSize);
+		gl.uniform1i(u.black, params.black ? 1 : 0);
+	},
+});
+
+export const uiDefinition = {
+	name: i18n.ts._imageEffector._fxs.zoomLines,
 	params: {
 		x: {
 			label: i18n.ts._imageEffector._fxProps.centerX,
@ -65,13 +84,4 @@ export const FX_zoomLines = defineImageEffectorFx({
 			default: false,
 		},
 	},
-	main: ({ gl, u, params }) => {
-		gl.uniform2f(u.pos, params.x / 2, params.y / 2);
-		gl.uniform1f(u.frequency, params.frequency * params.frequency);
-		// thresholdの調整が有効な間はsmoothingが利用できない
-		gl.uniform1i(u.thresholdEnabled, params.smoothing ? 0 : 1);
-		gl.uniform1f(u.threshold, params.threshold);
-		gl.uniform1f(u.maskSize, params.maskSize);
-		gl.uniform1i(u.black, params.black ? 1 : 0);
-	},
-});
+} satisfies ImageEffectorUiDefinition<typeof fn>;
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@ -3,18 +3,12 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import QRCodeStyling from 'qr-code-styling';
-import { url, host } from '@@/js/config.js';
-import { getProxiedImageUrl } from '../media-proxy.js';
-import { initShaderProgram } from '../webgl.js';
-import { ensureSignin } from '@/i.js';
+import { FXS } from './fxs.js';
+import type { ImageCompositorFunction, ImageCompositorLayer } from '@/lib/ImageCompositor.js';
+import { ImageCompositor } from '@/lib/ImageCompositor.js';

 export type ImageEffectorRGB = [r: number, g: number, b: number];

-type ParamTypeToPrimitive = {
-	[K in ImageEffectorFxParamDef['type']]: (ImageEffectorFxParamDef & { type: K })['default'];
-};
-
 interface CommonParamDef {
 	type: string;
 	label?: string;
@ -60,479 +54,77 @@ interface SeedParamDef extends CommonParamDef {
 	default: number;
 };

-interface TextureParamDef extends CommonParamDef {
-	type: 'texture';
-	default: {
-		type: 'text'; text: string | null;
-	} | {
-		type: 'url'; url: string | null;
-	} | {
-		type: 'qr'; data: string | null;
-	} | null;
-};
-
 interface ColorParamDef extends CommonParamDef {
 	type: 'color';
 	default: ImageEffectorRGB;
 };

-type ImageEffectorFxParamDef = NumberParamDef | NumberEnumParamDef | BooleanParamDef | AlignParamDef | SeedParamDef | TextureParamDef | ColorParamDef;
+type ImageEffectorFxParamDef = NumberParamDef | NumberEnumParamDef | BooleanParamDef | AlignParamDef | SeedParamDef | ColorParamDef;

 export type ImageEffectorFxParamDefs = Record<string, ImageEffectorFxParamDef>;

-export type GetParamType<T extends ImageEffectorFxParamDef> =
-	T extends NumberEnumParamDef
-		? T['enum'][number]['value']
-		: ParamTypeToPrimitive[T['type']];
-
-export type ParamsRecordTypeToDefRecord<PS extends ImageEffectorFxParamDefs> = {
-	[K in keyof PS]: GetParamType<PS[K]>;
-};
-
-export function defineImageEffectorFx<ID extends string, PS extends ImageEffectorFxParamDefs, US extends string[]>(fx: ImageEffectorFx<ID, PS, US>) {
-	return fx;
-}
-
-export type ImageEffectorFx<ID extends string = string, PS extends ImageEffectorFxParamDefs = ImageEffectorFxParamDefs, US extends string[] = string[]> = {
-	id: ID;
-	name: string;
-	shader: string;
-	uniforms: US;
-	params: PS,
-	main: (ctx: {
-		gl: WebGL2RenderingContext;
-		program: WebGLProgram;
-		params: ParamsRecordTypeToDefRecord<PS>;
-		u: Record<US[number], WebGLUniformLocation>;
-		width: number;
-		height: number;
-		textures: Record<string, {
-			texture: WebGLTexture;
-			width: number;
-			height: number;
-		} | null>;
-	}) => void;
-};
-
 export type ImageEffectorLayer = {
+	[K in keyof typeof FXS]: {
 		id: string;
-	fxId: string;
-	params: Record<string, any>;
+		fxId: K;
+		params: Parameters<(typeof FXS)[K]['fn']['main']>[0]['params'];
+	};
+}[keyof typeof FXS];
+
+export type ImageEffectorUiDefinition<Fn extends ImageCompositorFunction<any> = ImageCompositorFunction> = {
+	name: string;
+	params: Fn extends ImageCompositorFunction<infer P> ? {
+		[K in keyof P]: ImageEffectorFxParamDef;
+	} : never;
 };

-function getValue<T extends keyof ParamTypeToPrimitive>(params: Record<string, any>, k: string): ParamTypeToPrimitive[T] {
-	return params[k];
-}
+type ImageEffectorImageCompositor = ImageCompositor<{
+	[K in keyof typeof FXS]: typeof FXS[K]['fn'];
+}>;

-export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, any>>> {
-	private gl: WebGL2RenderingContext;
+export class ImageEffector {
 	private canvas: HTMLCanvasElement | null = null;
-	private renderWidth: number;
-	private renderHeight: number;
-	private originalImage: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
-	private layers: ImageEffectorLayer[] = [];
-	private originalImageTexture: WebGLTexture;
-	private shaderCache: Map<string, WebGLProgram> = new Map();
-	private perLayerResultTextures: Map<string, WebGLTexture> = new Map();
-	private perLayerResultFrameBuffers: Map<string, WebGLFramebuffer> = new Map();
-	private nopProgram: WebGLProgram;
-	private fxs: [...IEX];
-	private paramTextures: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
+	private compositor: ImageEffectorImageCompositor;

 	constructor(options: {
 		canvas: HTMLCanvasElement;
 		renderWidth: number;
 		renderHeight: number;
-		image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
-		fxs: [...IEX];
+		image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement | null;
 	}) {
 		this.canvas = options.canvas;
-		this.renderWidth = options.renderWidth;
-		this.renderHeight = options.renderHeight;
-		this.originalImage = options.image;
-		this.fxs = options.fxs;

-		this.canvas.width = this.renderWidth;
-		this.canvas.height = this.renderHeight;
-
-		const gl = this.canvas.getContext('webgl2', {
-			preserveDrawingBuffer: false,
-			alpha: true,
-			premultipliedAlpha: false,
+		this.compositor = new ImageCompositor({
+			canvas: this.canvas,
+			renderWidth: options.renderWidth,
+			renderHeight: options.renderHeight,
+			image: options.image,
+			functions: Object.fromEntries(Object.entries(FXS).map(([fxId, fx]) => [fxId, fx.fn])),
 		});
-
-		if (gl == null) {
-			throw new Error('Failed to initialize WebGL2 context');
 	}

-		this.gl = gl;
-
-		gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
-
-		const VERTICES = new Float32Array([-1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1]);
-		const vertexBuffer = gl.createBuffer();
-		gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
-		gl.bufferData(gl.ARRAY_BUFFER, VERTICES, gl.STATIC_DRAW);
-
-		this.originalImageTexture = createTexture(gl);
-		gl.activeTexture(gl.TEXTURE0);
-		gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
-		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.originalImage.width, this.originalImage.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, this.originalImage);
-		gl.bindTexture(gl.TEXTURE_2D, null);
-
-		this.nopProgram = initShaderProgram(this.gl, `#version 300 es
-			in vec2 position;
-			out vec2 in_uv;
-
-			void main() {
-				in_uv = (position + 1.0) / 2.0;
-				gl_Position = vec4(position * vec2(1.0, -1.0), 0.0, 1.0);
-			}
-		`, `#version 300 es
-			precision mediump float;
-
-			in vec2 in_uv;
-			uniform sampler2D u_texture;
-			out vec4 out_color;
-
-			void main() {
-				out_color = texture(u_texture, in_uv);
-			}
-		`);
-
-		// レジスタ番号はシェーダープログラムに属しているわけではなく、独立の存在なので、とりあえず nopProgram を使って設定する(その後は効果が持続する)
-		// ref. https://qiita.com/emadurandal/items/5966c8374f03d4de3266
-		const positionLocation = gl.getAttribLocation(this.nopProgram, 'position');
-		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
-		gl.enableVertexAttribArray(positionLocation);
-	}
-
-	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture, invert = false) {
-		const gl = this.gl;
-
-		const fx = this.fxs.find(fx => fx.id === layer.fxId);
-		if (fx == null) return;
-
-		const cachedShader = this.shaderCache.get(fx.id);
-		const shaderProgram = cachedShader ?? initShaderProgram(this.gl, `#version 300 es
-			in vec2 position;
-			uniform bool u_invert;
-			out vec2 in_uv;
-
-			void main() {
-				in_uv = (position + 1.0) / 2.0;
-				gl_Position = u_invert ? vec4(position * vec2(1.0, -1.0), 0.0, 1.0) : vec4(position, 0.0, 1.0);
-			}
-		`, fx.shader);
-		if (cachedShader == null) {
-			this.shaderCache.set(fx.id, shaderProgram);
-		}
-
-		gl.useProgram(shaderProgram);
-
-		const in_resolution = gl.getUniformLocation(shaderProgram, 'in_resolution');
-		gl.uniform2fv(in_resolution, [this.renderWidth, this.renderHeight]);
-
-		const u_invert = gl.getUniformLocation(shaderProgram, 'u_invert');
-		gl.uniform1i(u_invert, invert ? 1 : 0);
-
-		gl.activeTexture(gl.TEXTURE0);
-		gl.bindTexture(gl.TEXTURE_2D, preTexture);
-		const in_texture = gl.getUniformLocation(shaderProgram, 'in_texture');
-		gl.uniform1i(in_texture, 0);
-
-		fx.main({
-			gl: gl,
-			program: shaderProgram,
-			params: Object.fromEntries(
-				Object.entries(fx.params as ImageEffectorFxParamDefs).map(([key, param]) => {
-					return [key, layer.params[key] ?? param.default];
-				}),
-			),
-			u: Object.fromEntries(fx.uniforms.map(u => [u, gl.getUniformLocation(shaderProgram, 'u_' + u)!])),
-			width: this.renderWidth,
-			height: this.renderHeight,
-			textures: Object.fromEntries(
-				Object.entries(fx.params as ImageEffectorFxParamDefs).map(([k, v]) => {
-					if (v.type !== 'texture') return [k, null];
-					const param = getValue<typeof v.type>(layer.params, k);
-					if (param == null) return [k, null];
-					const texture = this.paramTextures.get(this.getTextureKeyForParam(param)) ?? null;
-					return [k, texture];
-				})),
-		});
-
-		gl.drawArrays(gl.TRIANGLES, 0, 6);
-	}
-
-	public render() {
-		const gl = this.gl;
-
-		// 入力をそのまま出力
-		if (this.layers.length === 0) {
-			gl.activeTexture(gl.TEXTURE0);
-			gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
-
-			gl.useProgram(this.nopProgram);
-			gl.uniform1i(gl.getUniformLocation(this.nopProgram, 'u_texture')!, 0);
-
-			gl.drawArrays(gl.TRIANGLES, 0, 6);
-			return;
-		}
-
-		let preTexture = this.originalImageTexture;
-
-		for (const layer of this.layers) {
-			const isLast = layer === this.layers.at(-1);
-
-			const cachedResultTexture = this.perLayerResultTextures.get(layer.id);
-			const resultTexture = cachedResultTexture ?? createTexture(gl);
-			if (cachedResultTexture == null) {
-				this.perLayerResultTextures.set(layer.id, resultTexture);
-			}
-			gl.bindTexture(gl.TEXTURE_2D, resultTexture);
-			gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.renderWidth, this.renderHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
-			gl.bindTexture(gl.TEXTURE_2D, null);
-
-			if (isLast) {
-				gl.bindFramebuffer(gl.FRAMEBUFFER, null);
-			} else {
-				const cachedResultFrameBuffer = this.perLayerResultFrameBuffers.get(layer.id);
-				const resultFrameBuffer = cachedResultFrameBuffer ?? gl.createFramebuffer()!;
-				if (cachedResultFrameBuffer == null) {
-					this.perLayerResultFrameBuffers.set(layer.id, resultFrameBuffer);
-				}
-				gl.bindFramebuffer(gl.FRAMEBUFFER, resultFrameBuffer);
-				gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, resultTexture, 0);
-			}
-
-			this.renderLayer(layer, preTexture, isLast);
-
-			preTexture = resultTexture;
-		}
-	}
-
-	public async setLayers(layers: ImageEffectorLayer[]) {
-		this.layers = layers;
-
-		const unused = new Set(this.paramTextures.keys());
+	public async render(layers: ImageEffectorLayer[]) {
+		const compositorLayers: Parameters<ImageCompositor<any>['render']>[0] = [];

 		for (const layer of layers) {
-			const fx = this.fxs.find(fx => fx.id === layer.fxId);
-			if (fx == null) continue;
-
-			for (const k of Object.keys(layer.params)) {
-				const paramDef = fx.params[k];
-				if (paramDef == null) continue;
-				if (paramDef.type !== 'texture') continue;
-				const v = getValue<typeof paramDef.type>(layer.params, k);
-				if (v == null) continue;
-
-				const textureKey = this.getTextureKeyForParam(v);
-				unused.delete(textureKey);
-				if (this.paramTextures.has(textureKey)) continue;
-
-				if (_DEV_) console.log(`Baking texture of <${textureKey}>...`);
-
-				const texture =
-					v.type === 'text' ? await createTextureFromText(this.gl, v.text) :
-					v.type === 'url' ? await createTextureFromUrl(this.gl, v.url) :
-					v.type === 'qr' ? await createTextureFromQr(this.gl, { data: v.data }) :
-					null;
-				if (texture == null) continue;
-
-				this.paramTextures.set(textureKey, texture);
-			}
+			compositorLayers.push({
+				id: layer.id,
+				functionId: layer.fxId,
+				params: layer.params,
+			});
 		}

-		for (const k of unused) {
-			if (_DEV_) console.log(`Dispose unused texture <${k}>...`);
-			this.gl.deleteTexture(this.paramTextures.get(k)!.texture);
-			this.paramTextures.delete(k);
-		}
-
-		this.render();
+		this.compositor.render(compositorLayers as Parameters<ImageEffectorImageCompositor['render']>[0]);
 	}

 	public changeResolution(width: number, height: number) {
-		this.renderWidth = width;
-		this.renderHeight = height;
-		if (this.canvas) {
-			this.canvas.width = this.renderWidth;
-			this.canvas.height = this.renderHeight;
-		}
-		this.gl.viewport(0, 0, this.renderWidth, this.renderHeight);
-	}
-
-	private getTextureKeyForParam(v: ParamTypeToPrimitive['texture']) {
-		if (v == null) return '';
-		return (
-			v.type === 'text' ? `text:${v.text}` :
-			v.type === 'url' ? `url:${v.url}` :
-			v.type === 'qr' ? `qr:${v.data}` :
-			''
-		);
+		this.compositor.changeResolution(width, height);
 	}

 	/*
 	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
 	 */
 	public destroy(disposeCanvas = true) {
-		this.gl.deleteProgram(this.nopProgram);
-
-		for (const shader of this.shaderCache.values()) {
-			this.gl.deleteProgram(shader);
-		}
-		this.shaderCache.clear();
-
-		for (const texture of this.perLayerResultTextures.values()) {
-			this.gl.deleteTexture(texture);
-		}
-		this.perLayerResultTextures.clear();
-
-		for (const framebuffer of this.perLayerResultFrameBuffers.values()) {
-			this.gl.deleteFramebuffer(framebuffer);
-		}
-		this.perLayerResultFrameBuffers.clear();
-
-		for (const texture of this.paramTextures.values()) {
-			this.gl.deleteTexture(texture.texture);
-		}
-		this.paramTextures.clear();
-
-		this.gl.deleteTexture(this.originalImageTexture);
-
-		if (disposeCanvas) {
-			const loseContextExt = this.gl.getExtension('WEBGL_lose_context');
-			if (loseContextExt) loseContextExt.loseContext();
-		}
+		this.compositor.destroy(disposeCanvas);
 	}
 }
-
-function createTexture(gl: WebGL2RenderingContext): WebGLTexture {
-	const texture = gl.createTexture();
-	gl.bindTexture(gl.TEXTURE_2D, texture);
-	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.MIRRORED_REPEAT);
-	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.MIRRORED_REPEAT);
-	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
-	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
-	gl.bindTexture(gl.TEXTURE_2D, null);
-	return texture;
-}
-
-async function createTextureFromUrl(gl: WebGL2RenderingContext, imageUrl: string | null): Promise<{ texture: WebGLTexture, width: number, height: number } | null> {
-	if (imageUrl == null || imageUrl.trim() === '') return null;
-
-	const image = await new Promise<HTMLImageElement>((resolve, reject) => {
-		const img = new Image();
-		img.onload = () => resolve(img);
-		img.onerror = reject;
-		img.src = getProxiedImageUrl(imageUrl); // CORS対策
-	}).catch(() => null);
-
-	if (image == null) return null;
-
-	const texture = createTexture(gl);
-	gl.activeTexture(gl.TEXTURE0);
-	gl.bindTexture(gl.TEXTURE_2D, texture);
-	gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
-	gl.bindTexture(gl.TEXTURE_2D, null);
-
-	return {
-		texture,
-		width: image.width,
-		height: image.height,
-	};
-}
-
-async function createTextureFromText(gl: WebGL2RenderingContext, text: string | null, resolution = 2048): Promise<{ texture: WebGLTexture, width: number, height: number } | null> {
-	if (text == null || text.trim() === '') return null;
-
-	const ctx = window.document.createElement('canvas').getContext('2d')!;
-	ctx.canvas.width = resolution;
-	ctx.canvas.height = resolution / 4;
-	const fontSize = resolution / 32;
-	const margin = fontSize / 2;
-	ctx.shadowColor = '#000000';
-	ctx.shadowBlur = fontSize / 4;
-
-	//ctx.fillStyle = '#00ff00';
-	//ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-
-	ctx.fillStyle = '#ffffff';
-	ctx.font = `bold ${fontSize}px sans-serif`;
-	ctx.textBaseline = 'middle';
-
-	ctx.fillText(text, margin, ctx.canvas.height / 2);
-
-	const textMetrics = ctx.measureText(text);
-	const cropWidth = (Math.ceil(textMetrics.actualBoundingBoxRight + textMetrics.actualBoundingBoxLeft) + margin + margin);
-	const cropHeight = (Math.ceil(textMetrics.actualBoundingBoxAscent + textMetrics.actualBoundingBoxDescent) + margin + margin);
-	const data = ctx.getImageData(0, (ctx.canvas.height / 2) - (cropHeight / 2), ctx.canvas.width, ctx.canvas.height);
-
-	const texture = createTexture(gl);
-	gl.activeTexture(gl.TEXTURE0);
-	gl.bindTexture(gl.TEXTURE_2D, texture);
-	gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, cropWidth, cropHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, data);
-	gl.bindTexture(gl.TEXTURE_2D, null);
-
-	const info = {
-		texture: texture,
-		width: cropWidth,
-		height: cropHeight,
-	};
-
-	ctx.canvas.remove();
-
-	return info;
-}
-
-async function createTextureFromQr(gl: WebGL2RenderingContext, options: { data: string | null }, resolution = 512): Promise<{ texture: WebGLTexture, width: number, height: number } | null> {
-	const $i = ensureSignin();
-
-	const qrCodeInstance = new QRCodeStyling({
-		width: resolution,
-		height: resolution,
-		margin: 42,
-		type: 'canvas',
-		data: options.data == null || options.data === '' ? `${url}/users/${$i.id}` : options.data,
-		image: $i.avatarUrl,
-		qrOptions: {
-			typeNumber: 0,
-			mode: 'Byte',
-			errorCorrectionLevel: 'H',
-		},
-		imageOptions: {
-			hideBackgroundDots: true,
-			imageSize: 0.3,
-			margin: 16,
-			crossOrigin: 'anonymous',
-		},
-		dotsOptions: {
-			type: 'dots',
-		},
-		cornersDotOptions: {
-			type: 'dot',
-		},
-		cornersSquareOptions: {
-			type: 'extra-rounded',
-		},
-	});
-
-	const blob = await qrCodeInstance.getRawData('png') as Blob | null;
-	if (blob == null) return null;
-
-	const image = await window.createImageBitmap(blob);
-
-	const texture = createTexture(gl);
-	gl.activeTexture(gl.TEXTURE0);
-	gl.bindTexture(gl.TEXTURE_2D, texture);
-	gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, resolution, resolution, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
-	gl.bindTexture(gl.TEXTURE_2D, null);
-
-	return {
-		texture,
-		width: resolution,
-		height: resolution,
-	};
-}
--- a/packages/frontend/src/utility/image-effector/fxs.ts
+++ b/packages/frontend/src/utility/image-effector/fxs.ts
@ -3,43 +3,47 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { FX_checker } from './fxs/checker.js';
-import { FX_chromaticAberration } from './fxs/chromaticAberration.js';
-import { FX_colorAdjust } from './fxs/colorAdjust.js';
-import { FX_colorClamp } from './fxs/colorClamp.js';
-import { FX_colorClampAdvanced } from './fxs/colorClampAdvanced.js';
-import { FX_distort } from './fxs/distort.js';
-import { FX_polkadot } from './fxs/polkadot.js';
-import { FX_tearing } from './fxs/tearing.js';
-import { FX_grayscale } from './fxs/grayscale.js';
-import { FX_invert } from './fxs/invert.js';
-import { FX_mirror } from './fxs/mirror.js';
-import { FX_stripe } from './fxs/stripe.js';
-import { FX_threshold } from './fxs/threshold.js';
-import { FX_zoomLines } from './fxs/zoomLines.js';
-import { FX_blockNoise } from './fxs/blockNoise.js';
-import { FX_fill } from './fxs/fill.js';
-import { FX_blur } from './fxs/blur.js';
-import { FX_pixelate } from './fxs/pixelate.js';
-import type { ImageEffectorFx } from './ImageEffector.js';
+import * as checker from '../image-compositor-functions/checker.js';
+import * as chromaticAberration from '../image-compositor-functions/chromaticAberration.js';
+import * as colorAdjust from '../image-compositor-functions/colorAdjust.js';
+import * as colorClamp from '../image-compositor-functions/colorClamp.js';
+import * as colorClampAdvanced from '../image-compositor-functions/colorClampAdvanced.js';
+import * as distort from '../image-compositor-functions/distort.js';
+import * as polkadot from '../image-compositor-functions/polkadot.js';
+import * as tearing from '../image-compositor-functions/tearing.js';
+import * as grayscale from '../image-compositor-functions/grayscale.js';
+import * as invert from '../image-compositor-functions/invert.js';
+import * as mirror from '../image-compositor-functions/mirror.js';
+import * as stripe from '../image-compositor-functions/stripe.js';
+import * as threshold from '../image-compositor-functions/threshold.js';
+import * as zoomLines from '../image-compositor-functions/zoomLines.js';
+import * as blockNoise from '../image-compositor-functions/blockNoise.js';
+import * as fill from '../image-compositor-functions/fill.js';
+import * as blur from '../image-compositor-functions/blur.js';
+import * as pixelate from '../image-compositor-functions/pixelate.js';
+import type { ImageCompositorFunction } from '@/lib/ImageCompositor.js';
+import type { ImageEffectorUiDefinition } from './ImageEffector.js';

-export const FXS = [
-	FX_mirror,
-	FX_invert,
-	FX_grayscale,
-	FX_colorAdjust,
-	FX_colorClamp,
-	FX_colorClampAdvanced,
-	FX_distort,
-	FX_threshold,
-	FX_zoomLines,
-	FX_stripe,
-	FX_polkadot,
-	FX_checker,
-	FX_chromaticAberration,
-	FX_tearing,
-	FX_blockNoise,
-	FX_fill,
-	FX_blur,
-	FX_pixelate,
-] as const satisfies ImageEffectorFx<string, any>[];
+export const FXS = {
+	checker,
+	chromaticAberration,
+	colorAdjust,
+	colorClamp,
+	colorClampAdvanced,
+	distort,
+	polkadot,
+	tearing,
+	grayscale,
+	invert,
+	mirror,
+	stripe,
+	threshold,
+	zoomLines,
+	blockNoise,
+	fill,
+	blur,
+	pixelate,
+} as const satisfies Record<string, {
+	readonly fn: ImageCompositorFunction<any>;
+	readonly uiDefinition: ImageEffectorUiDefinition<any>;
+}>;
--- a/packages/frontend/src/utility/image-effector/fxs/grayscale.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/grayscale.ts
@ -1,19 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { defineImageEffectorFx } from '../ImageEffector.js';
-import shader from './grayscale.glsl';
-import { i18n } from '@/i18n.js';
-
-export const FX_grayscale = defineImageEffectorFx({
-	id: 'grayscale',
-	name: i18n.ts._imageEffector._fxs.grayscale,
-	shader,
-	uniforms: [] as const,
-	params: {
-	},
-	main: ({ gl, params }) => {
-	},
-});
--- a/packages/frontend/src/utility/image-frame-renderer/ImageFrameRenderer.ts
+++ b/packages/frontend/src/utility/image-frame-renderer/ImageFrameRenderer.ts
@ -0,0 +1,270 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import QRCodeStyling from 'qr-code-styling';
+import { url } from '@@/js/config.js';
+import ExifReader from 'exifreader';
+import { FN_frame } from './frame.js';
+import { ImageCompositor } from '@/lib/ImageCompositor.js';
+import { ensureSignin } from '@/i.js';
+
+const $i = ensureSignin();
+
+type LabelParams = {
+	enabled: boolean;
+	scale: number;
+	padding: number;
+	textBig: string;
+	textSmall: string;
+	centered: boolean;
+	withQrCode: boolean;
+};
+
+export type ImageFrameParams = {
+	borderThickness: number;
+	labelTop: LabelParams;
+	labelBottom: LabelParams;
+	bgColor: [r: number, g: number, b: number];
+	fgColor: [r: number, g: number, b: number];
+	font: 'serif' | 'sans-serif';
+	borderRadius: number; // TODO
+};
+
+export type ImageFramePreset = {
+	id: string;
+	name: string;
+	params: ImageFrameParams;
+};
+
+export class ImageFrameRenderer {
+	private compositor: ImageCompositor<{ frame: typeof FN_frame }>;
+	private image: HTMLImageElement | ImageBitmap;
+	private exif: ExifReader.Tags | null;
+	private caption: string | null = null;
+	private filename: string | null = null;
+	private renderAsPreview = false;
+
+	constructor(options: {
+		canvas: HTMLCanvasElement,
+		image: HTMLImageElement | ImageBitmap,
+		exif: ExifReader.Tags | null,
+		filename: string | null,
+		caption: string | null,
+		renderAsPreview?: boolean,
+	}) {
+		this.image = options.image;
+		this.exif = options.exif;
+		this.caption = options.caption ?? null;
+		this.filename = options.filename ?? null;
+		this.renderAsPreview = options.renderAsPreview ?? false;
+
+		this.compositor = new ImageCompositor({
+			canvas: options.canvas,
+			renderWidth: 1,
+			renderHeight: 1,
+			image: null,
+			functions: { frame: FN_frame },
+		});
+
+		this.compositor.registerTexture('image', this.image);
+	}
+
+	private interpolateTemplateText(text: string) {
+		const DateTimeOriginal = this.exif == null ? '2012:03:04 5:06:07' : this.exif.DateTimeOriginal?.description;
+		const Model = this.exif == null ? 'Example camera' : this.exif.Model?.description;
+		const LensModel = this.exif == null ? 'Example lens 123mm f/1.23' : this.exif.LensModel?.description;
+		const FocalLength = this.exif == null ? '123mm' : this.exif.FocalLength?.description;
+		const FocalLengthIn35mmFilm = this.exif == null ? '123mm' : this.exif.FocalLengthIn35mmFilm?.description;
+		const ExposureTime = this.exif == null ? '1/234' : this.exif.ExposureTime?.description;
+		const FNumber = this.exif == null ? '1.23' : this.exif.FNumber?.description;
+		const ISOSpeedRatings = this.exif == null ? '123' : this.exif.ISOSpeedRatings?.description;
+		const GPSLatitude = this.exif == null ? '123.000000000000123' : this.exif.GPSLatitude?.description;
+		const GPSLongitude = this.exif == null ? '456.000000000000123' : this.exif.GPSLongitude?.description;
+		return text.replaceAll(/\{(\w+)\}/g, (_: string, key: string) => {
+			const meta_date = DateTimeOriginal ?? '????:??:?? ??:??:??';
+			const date = meta_date.split(' ')[0].replaceAll(':', '/');
+			switch (key) {
+				case 'caption': return this.caption ?? '?';
+				case 'filename': return this.filename ?? '?';
+				case 'filename_without_ext': return this.filename?.replace(/\.[^/.]+$/, '') ?? '?';
+				case 'year': return date.split('/')[0];
+				case 'month': return date.split('/')[1].replace(/^0/, '');
+				case 'day': return date.split('/')[2].replace(/^0/, '');
+				case 'hour': return meta_date.split(' ')[1].split(':')[0].replace(/^0/, '');
+				case 'minute': return meta_date.split(' ')[1].split(':')[1].replace(/^0/, '');
+				case 'second': return meta_date.split(' ')[1].split(':')[2].replace(/^0/, '');
+				case '0month': return date.split('/')[1];
+				case '0day': return date.split('/')[2];
+				case '0hour': return meta_date.split(' ')[1].split(':')[0];
+				case '0minute': return meta_date.split(' ')[1].split(':')[1];
+				case '0second': return meta_date.split(' ')[1].split(':')[2];
+				case 'camera_model': return Model ?? '?';
+				case 'camera_lens_model': return LensModel ?? '?';
+				case 'camera_mm': return FocalLength?.replace(' mm', '').replace('mm', '') ?? '?';
+				case 'camera_mm_35': return FocalLengthIn35mmFilm?.replace(' mm', '').replace('mm', '') ?? '?';
+				case 'camera_f': return FNumber?.replace('f/', '') ?? '?';
+				case 'camera_s': return ExposureTime ?? '?';
+				case 'camera_iso': return ISOSpeedRatings ?? '?';
+				case 'gps_lat': return GPSLatitude ?? '?';
+				case 'gps_long': return GPSLongitude ?? '?';
+				default: return '?';
+			}
+		});
+	}
+
+	private async renderLabel(renderWidth: number, renderHeight: number, paddingLeft: number, paddingRight: number, imageAreaH: number, fgColor: [number, number, number], font: string, params: LabelParams) {
+		const scaleBase = imageAreaH * params.scale;
+		const labelCanvasCtx = window.document.createElement('canvas').getContext('2d')!;
+		labelCanvasCtx.canvas.width = renderWidth;
+		labelCanvasCtx.canvas.height = renderHeight;
+		const fontSize = scaleBase / 30;
+		const textsMarginLeft = Math.max(fontSize * 2, paddingLeft);
+		const textsMarginRight = textsMarginLeft;
+		const withQrCode = params.withQrCode;
+		const qrSize = scaleBase * 0.1;
+		const qrMarginRight = Math.max((labelCanvasCtx.canvas.height - qrSize) / 2, paddingRight);
+
+		labelCanvasCtx.fillStyle = `rgb(${Math.floor(fgColor[0] * 255)}, ${Math.floor(fgColor[1] * 255)}, ${Math.floor(fgColor[2] * 255)})`;
+		labelCanvasCtx.font = `bold ${fontSize}px ${font}`;
+		labelCanvasCtx.textBaseline = 'middle';
+
+		const titleY = params.textSmall === '' ? (labelCanvasCtx.canvas.height / 2) : (labelCanvasCtx.canvas.height / 2) - (fontSize * 0.9);
+		if (params.centered) {
+			labelCanvasCtx.textAlign = 'center';
+			labelCanvasCtx.fillText(this.interpolateTemplateText(params.textBig), labelCanvasCtx.canvas.width / 2, titleY, labelCanvasCtx.canvas.width - textsMarginLeft - textsMarginRight);
+		} else {
+			labelCanvasCtx.textAlign = 'left';
+			labelCanvasCtx.fillText(this.interpolateTemplateText(params.textBig), textsMarginLeft, titleY, labelCanvasCtx.canvas.width - textsMarginLeft - (withQrCode ? (qrSize + qrMarginRight + (fontSize * 1)) : textsMarginRight));
+		}
+
+		labelCanvasCtx.fillStyle = `rgba(${Math.floor(fgColor[0] * 255)}, ${Math.floor(fgColor[1] * 255)}, ${Math.floor(fgColor[2] * 255)}, 0.5)`;
+		labelCanvasCtx.font = `${fontSize * 0.85}px ${font}`;
+		labelCanvasCtx.textBaseline = 'middle';
+
+		const textY = params.textBig === '' ? (labelCanvasCtx.canvas.height / 2) : (labelCanvasCtx.canvas.height / 2) + (fontSize * 0.9);
+		if (params.centered) {
+			labelCanvasCtx.textAlign = 'center';
+			labelCanvasCtx.fillText(this.interpolateTemplateText(params.textSmall), labelCanvasCtx.canvas.width / 2, textY, labelCanvasCtx.canvas.width - textsMarginLeft - textsMarginRight);
+		} else {
+			labelCanvasCtx.textAlign = 'left';
+			labelCanvasCtx.fillText(this.interpolateTemplateText(params.textSmall), textsMarginLeft, textY, labelCanvasCtx.canvas.width - textsMarginLeft - (withQrCode ? (qrSize + qrMarginRight + (fontSize * 1)) : textsMarginRight));
+		}
+
+		if (withQrCode) {
+			try {
+				const qrCodeInstance = new QRCodeStyling({
+					width: labelCanvasCtx.canvas.height,
+					height: labelCanvasCtx.canvas.height,
+					margin: 0,
+					type: 'canvas',
+					data: `${url}/users/${$i.id}`,
+					//image: $i.avatarUrl,
+					qrOptions: {
+						typeNumber: 0,
+						mode: 'Byte',
+						errorCorrectionLevel: 'H',
+					},
+					imageOptions: {
+						hideBackgroundDots: true,
+						imageSize: 0.3,
+						margin: 16,
+						crossOrigin: 'anonymous',
+					},
+					dotsOptions: {
+						type: 'dots',
+						roundSize: false,
+						color: `rgb(${Math.floor(fgColor[0] * 255)}, ${Math.floor(fgColor[1] * 255)}, ${Math.floor(fgColor[2] * 255)})`,
+					},
+					backgroundOptions: {
+						color: 'transparent',
+					},
+					cornersDotOptions: {
+						type: 'dot',
+					},
+					cornersSquareOptions: {
+						type: 'extra-rounded',
+					},
+				});
+
+				const blob = await qrCodeInstance.getRawData('png') as Blob | null;
+				if (blob == null) throw new Error('Failed to generate QR code');
+
+				const qrImageBitmap = await window.createImageBitmap(blob);
+
+				labelCanvasCtx.drawImage(
+					qrImageBitmap,
+					labelCanvasCtx.canvas.width - qrSize - qrMarginRight,
+					(labelCanvasCtx.canvas.height - qrSize) / 2,
+					qrSize,
+					qrSize,
+				);
+				qrImageBitmap.close();
+			} catch (err) {
+				// nop
+			}
+		}
+
+		return labelCanvasCtx.getImageData(0, 0, labelCanvasCtx.canvas.width, labelCanvasCtx.canvas.height); ;
+	}
+
+	public async render(params: ImageFrameParams): Promise<void> {
+		let imageAreaW = this.image.width;
+		let imageAreaH = this.image.height;
+
+		if (this.renderAsPreview) {
+			const MAX_W = 1000;
+			const MAX_H = 1000;
+
+			if (imageAreaW > MAX_W || imageAreaH > MAX_H) {
+				const scale = Math.min(MAX_W / imageAreaW, MAX_H / imageAreaH);
+				imageAreaW = Math.floor(imageAreaW * scale);
+				imageAreaH = Math.floor(imageAreaH * scale);
+			}
+		}
+
+		const paddingLeft = Math.floor(imageAreaH * params.borderThickness);
+		const paddingRight = Math.floor(imageAreaH * params.borderThickness);
+		const paddingTop = params.labelTop.enabled ? Math.floor(imageAreaH * params.labelTop.padding) : Math.floor(imageAreaH * params.borderThickness);
+		const paddingBottom = params.labelBottom.enabled ? Math.floor(imageAreaH * params.labelBottom.padding) : Math.floor(imageAreaH * params.borderThickness);
+		const renderWidth = imageAreaW + paddingLeft + paddingRight;
+		const renderHeight = imageAreaH + paddingTop + paddingBottom;
+
+		if (params.labelTop.enabled) {
+			const topLabelImage = await this.renderLabel(renderWidth, paddingTop, paddingLeft, paddingRight, imageAreaH, params.fgColor, params.font, params.labelTop);
+			this.compositor.registerTexture('topLabel', topLabelImage);
+		}
+
+		if (params.labelBottom.enabled) {
+			const bottomLabelImage = await this.renderLabel(renderWidth, paddingBottom, paddingLeft, paddingRight, imageAreaH, params.fgColor, params.font, params.labelBottom);
+			this.compositor.registerTexture('bottomLabel', bottomLabelImage);
+		}
+
+		this.compositor.changeResolution(renderWidth, renderHeight);
+
+		this.compositor.render([{
+			functionId: 'frame',
+			id: 'a',
+			params: {
+				image: 'image',
+				topLabel: 'topLabel',
+				bottomLabel: 'bottomLabel',
+				topLabelEnabled: params.labelTop.enabled,
+				bottomLabelEnabled: params.labelBottom.enabled,
+				paddingLeft: paddingLeft / renderWidth,
+				paddingRight: paddingRight / renderWidth,
+				paddingTop: paddingTop / renderHeight,
+				paddingBottom: paddingBottom / renderHeight,
+				bg: params.bgColor,
+			},
+		}]);
+	}
+
+	/*
+	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
+	 */
+	public destroy(disposeCanvas = true): void {
+		this.compositor.destroy(disposeCanvas);
+	}
+}
--- a/packages/frontend/src/utility/image-frame-renderer/frame.glsl
+++ b/packages/frontend/src/utility/image-frame-renderer/frame.glsl
@ -0,0 +1,61 @@
+#version 300 es
+precision mediump float;
+
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform sampler2D u_image;
+uniform sampler2D u_topLabel;
+uniform sampler2D u_bottomLabel;
+uniform bool u_topLabelEnabled;
+uniform bool u_bottomLabelEnabled;
+uniform float u_paddingTop;
+uniform float u_paddingBottom;
+uniform float u_paddingLeft;
+uniform float u_paddingRight;
+uniform vec3 u_bg;
+out vec4 out_color;
+
+float remap(float value, float inputMin, float inputMax, float outputMin, float outputMax) {
+	return outputMin + (outputMax - outputMin) * ((value - inputMin) / (inputMax - inputMin));
+}
+
+vec3 blendAlpha(vec3 bg, vec4 fg) {
+	return fg.a * fg.rgb + (1.0 - fg.a) * bg;
+}
+
+void main() {
+	vec4 bg = vec4(u_bg, 1.0);
+
+	vec4 image_color = texture(u_image, vec2(
+		remap(in_uv.x, u_paddingLeft, 1.0 - u_paddingRight, 0.0, 1.0),
+		remap(in_uv.y, u_paddingTop, 1.0 - u_paddingBottom, 0.0, 1.0)
+	));
+
+	vec4 topLabel_color = u_topLabelEnabled ? texture(u_topLabel, vec2(
+		in_uv.x,
+		remap(in_uv.y, 0.0, u_paddingTop, 0.0, 1.0)
+	)) : bg;
+
+	vec4 bottomLabel_color = u_bottomLabelEnabled ? texture(u_bottomLabel, vec2(
+		in_uv.x,
+		remap(in_uv.y, 1.0 - u_paddingBottom, 1.0, 0.0, 1.0)
+	)) : bg;
+
+	if (in_uv.y < u_paddingTop) {
+		out_color = vec4(blendAlpha(bg.rgb, topLabel_color), 1.0);
+	} else if (in_uv.y > (1.0 - u_paddingBottom)) {
+		out_color = vec4(blendAlpha(bg.rgb, bottomLabel_color), 1.0);
+	} else {
+		if (in_uv.y > u_paddingTop && in_uv.x > u_paddingLeft && in_uv.x < (1.0 - u_paddingRight)) {
+			out_color = image_color;
+		} else {
+			out_color = bg;
+		}
+	}
+}
--- a/packages/frontend/src/utility/image-frame-renderer/frame.ts
+++ b/packages/frontend/src/utility/image-frame-renderer/frame.ts
@ -0,0 +1,57 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import shader from './frame.glsl';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
+
+export const FN_frame = defineImageCompositorFunction<{
+	image: string | null;
+	topLabel: string | null;
+	bottomLabel: string | null;
+	topLabelEnabled: boolean;
+	bottomLabelEnabled: boolean;
+	paddingTop: number;
+	paddingBottom: number;
+	paddingLeft: number;
+	paddingRight: number;
+	bg: [number, number, number];
+}>({
+	shader,
+	main: ({ gl, u, params, textures }) => {
+		if (params.image == null) return;
+		const image = textures.get(params.image);
+		if (image == null) return;
+
+		gl.activeTexture(gl.TEXTURE1);
+		gl.bindTexture(gl.TEXTURE_2D, image.texture);
+		gl.uniform1i(u.image, 1);
+
+		gl.uniform1i(u.topLabelEnabled, params.topLabelEnabled ? 1 : 0);
+		gl.uniform1i(u.bottomLabelEnabled, params.bottomLabelEnabled ? 1 : 0);
+		gl.uniform1f(u.paddingTop, params.paddingTop);
+		gl.uniform1f(u.paddingBottom, params.paddingBottom);
+		gl.uniform1f(u.paddingLeft, params.paddingLeft);
+		gl.uniform1f(u.paddingRight, params.paddingRight);
+		gl.uniform3f(u.bg, params.bg[0], params.bg[1], params.bg[2]);
+
+		if (params.topLabelEnabled && params.topLabel != null) {
+			const topLabel = textures.get(params.topLabel);
+			if (topLabel) {
+				gl.activeTexture(gl.TEXTURE2);
+				gl.bindTexture(gl.TEXTURE_2D, topLabel.texture);
+				gl.uniform1i(u.topLabel, 2);
+			}
+		}
+
+		if (params.bottomLabelEnabled && params.bottomLabel != null) {
+			const bottomLabel = textures.get(params.bottomLabel);
+			if (bottomLabel) {
+				gl.activeTexture(gl.TEXTURE3);
+				gl.bindTexture(gl.TEXTURE_2D, bottomLabel.texture);
+				gl.uniform1i(u.bottomLabel, 3);
+			}
+		}
+	},
+});
--- a/packages/frontend/src/utility/watermark.ts
+++ b/packages/frontend/src/utility/watermark.ts
@ -1,218 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import type { ImageEffectorFx, ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
-import { FX_watermarkPlacement } from '@/utility/image-effector/fxs/watermarkPlacement.js';
-import { FX_stripe } from '@/utility/image-effector/fxs/stripe.js';
-import { FX_polkadot } from '@/utility/image-effector/fxs/polkadot.js';
-import { FX_checker } from '@/utility/image-effector/fxs/checker.js';
-import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
-
-const WATERMARK_FXS = [
-	FX_watermarkPlacement,
-	FX_stripe,
-	FX_polkadot,
-	FX_checker,
-] as const satisfies ImageEffectorFx<string, any>[];
-
-type Align = { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom'; margin?: number; };
-
-export type WatermarkPreset = {
-	id: string;
-	name: string;
-	layers: ({
-		id: string;
-		type: 'text';
-		text: string;
-		repeat: boolean;
-		noBoundingBoxExpansion: boolean;
-		scale: number;
-		angle: number;
-		align: Align;
-		opacity: number;
-	} | {
-		id: string;
-		type: 'image';
-		imageUrl: string | null;
-		imageId: string | null;
-		cover: boolean;
-		repeat: boolean;
-		noBoundingBoxExpansion: boolean;
-		scale: number;
-		angle: number;
-		align: Align;
-		opacity: number;
-	} | {
-		id: string;
-		type: 'qr';
-		data: string;
-		scale: number;
-		align: Align;
-		opacity: number;
-	} | {
-		id: string;
-		type: 'stripe';
-		angle: number;
-		frequency: number;
-		threshold: number;
-		color: [r: number, g: number, b: number];
-		opacity: number;
-	} | {
-		id: string;
-		type: 'polkadot';
-		angle: number;
-		scale: number;
-		majorRadius: number;
-		majorOpacity: number;
-		minorDivisions: number;
-		minorRadius: number;
-		minorOpacity: number;
-		color: [r: number, g: number, b: number];
-		opacity: number;
-	} | {
-		id: string;
-		type: 'checker';
-		angle: number;
-		scale: number;
-		color: [r: number, g: number, b: number];
-		opacity: number;
-	})[];
-};
-
-export class WatermarkRenderer {
-	private effector: ImageEffector<typeof WATERMARK_FXS>;
-	private layers: WatermarkPreset['layers'] = [];
-
-	constructor(options: {
-		canvas: HTMLCanvasElement,
-		renderWidth: number,
-		renderHeight: number,
-		image: HTMLImageElement | ImageBitmap,
-	}) {
-		this.effector = new ImageEffector({
-			canvas: options.canvas,
-			renderWidth: options.renderWidth,
-			renderHeight: options.renderHeight,
-			image: options.image,
-			fxs: WATERMARK_FXS,
-		});
-	}
-
-	private makeImageEffectorLayers(): ImageEffectorLayer[] {
-		return this.layers.map(layer => {
-			if (layer.type === 'text') {
-				return {
-					fxId: 'watermarkPlacement',
-					id: layer.id,
-					params: {
-						repeat: layer.repeat,
-						noBoundingBoxExpansion: layer.noBoundingBoxExpansion,
-						scale: layer.scale,
-						align: layer.align,
-						angle: layer.angle,
-						opacity: layer.opacity,
-						cover: false,
-						watermark: {
-							type: 'text',
-							text: layer.text,
-						},
-					},
-				};
-			} else if (layer.type === 'image') {
-				return {
-					fxId: 'watermarkPlacement',
-					id: layer.id,
-					params: {
-						repeat: layer.repeat,
-						noBoundingBoxExpansion: layer.noBoundingBoxExpansion,
-						scale: layer.scale,
-						align: layer.align,
-						angle: layer.angle,
-						opacity: layer.opacity,
-						cover: layer.cover,
-						watermark: {
-							type: 'url',
-							url: layer.imageUrl,
-						},
-					},
-				};
-			} else if (layer.type === 'qr') {
-				return {
-					fxId: 'watermarkPlacement',
-					id: layer.id,
-					params: {
-						repeat: false,
-						scale: layer.scale,
-						align: layer.align,
-						angle: 0,
-						opacity: layer.opacity,
-						cover: false,
-						watermark: {
-							type: 'qr',
-							data: layer.data,
-						},
-					},
-				};
-			} else if (layer.type === 'stripe') {
-				return {
-					fxId: 'stripe',
-					id: layer.id,
-					params: {
-						angle: layer.angle,
-						frequency: layer.frequency,
-						threshold: layer.threshold,
-						color: layer.color,
-						opacity: layer.opacity,
-					},
-				};
-			} else if (layer.type === 'polkadot') {
-				return {
-					fxId: 'polkadot',
-					id: layer.id,
-					params: {
-						angle: layer.angle,
-						scale: layer.scale,
-						majorRadius: layer.majorRadius,
-						majorOpacity: layer.majorOpacity,
-						minorDivisions: layer.minorDivisions,
-						minorRadius: layer.minorRadius,
-						minorOpacity: layer.minorOpacity,
-						color: layer.color,
-					},
-				};
-			} else if (layer.type === 'checker') {
-				return {
-					fxId: 'checker',
-					id: layer.id,
-					params: {
-						angle: layer.angle,
-						scale: layer.scale,
-						color: layer.color,
-						opacity: layer.opacity,
-					},
-				};
-			} else {
-				throw new Error(`Unrecognized layer type: ${(layer as any).type}`);
-			}
-		});
-	}
-
-	public async setLayers(layers: WatermarkPreset['layers']) {
-		this.layers = layers;
-		await this.effector.setLayers(this.makeImageEffectorLayers());
-		this.render();
-	}
-
-	public render(): void {
-		this.effector.render();
-	}
-
-	/*
-	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
-	 */
-	public destroy(disposeCanvas = true): void {
-		this.effector.destroy(disposeCanvas);
-	}
-}
--- a/packages/frontend/src/utility/watermark/WatermarkRenderer.ts
+++ b/packages/frontend/src/utility/watermark/WatermarkRenderer.ts
@ -0,0 +1,332 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import QRCodeStyling from 'qr-code-styling';
+import { url, host } from '@@/js/config.js';
+import { getProxiedImageUrl } from '../media-proxy.js';
+import { fn as fn_watermark } from './watermark.js';
+import { fn as fn_stripe } from '@/utility/image-compositor-functions/stripe.js';
+import { fn as fn_poladot } from '@/utility/image-compositor-functions/polkadot.js';
+import { fn as fn_checker } from '@/utility/image-compositor-functions/checker.js';
+import { ImageCompositor } from '@/lib/ImageCompositor.js';
+import { ensureSignin } from '@/i.js';
+
+type Align = { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom'; margin?: number; };
+
+export type WatermarkLayers = ({
+	id: string;
+	type: 'text';
+	text: string;
+	repeat: boolean;
+	noBoundingBoxExpansion: boolean;
+	scale: number;
+	angle: number;
+	align: Align;
+	opacity: number;
+} | {
+	id: string;
+	type: 'image';
+	imageUrl: string | null;
+	imageId: string | null;
+	cover: boolean;
+	repeat: boolean;
+	noBoundingBoxExpansion: boolean;
+	scale: number;
+	angle: number;
+	align: Align;
+	opacity: number;
+} | {
+	id: string;
+	type: 'qr';
+	data: string;
+	scale: number;
+	align: Align;
+	opacity: number;
+} | {
+	id: string;
+	type: 'stripe';
+	angle: number;
+	frequency: number;
+	threshold: number;
+	color: [r: number, g: number, b: number];
+	opacity: number;
+} | {
+	id: string;
+	type: 'polkadot';
+	angle: number;
+	scale: number;
+	majorRadius: number;
+	majorOpacity: number;
+	minorDivisions: number;
+	minorRadius: number;
+	minorOpacity: number;
+	color: [r: number, g: number, b: number];
+	opacity: number;
+} | {
+	id: string;
+	type: 'checker';
+	angle: number;
+	scale: number;
+	color: [r: number, g: number, b: number];
+	opacity: number;
+})[];
+
+export type WatermarkPreset = {
+	id: string;
+	name: string;
+	layers: WatermarkLayers;
+};
+
+type WatermarkRendererImageCompositor = ImageCompositor<{
+	watermark: typeof fn_watermark;
+	stripe: typeof fn_stripe;
+	polkadot: typeof fn_poladot;
+	checker: typeof fn_checker;
+}>;
+
+export class WatermarkRenderer {
+	private compositor: WatermarkRendererImageCompositor;
+
+	constructor(options: {
+		canvas: HTMLCanvasElement,
+		renderWidth: number,
+		renderHeight: number,
+		image: HTMLImageElement | ImageBitmap,
+	}) {
+		this.compositor = new ImageCompositor({
+			canvas: options.canvas,
+			renderWidth: options.renderWidth,
+			renderHeight: options.renderHeight,
+			image: options.image,
+			functions: {
+				watermark: fn_watermark,
+				stripe: fn_stripe,
+				polkadot: fn_poladot,
+				checker: fn_checker,
+			},
+		});
+	}
+
+	public async render(layers: WatermarkLayers) {
+		const compositorLayers: Parameters<WatermarkRendererImageCompositor['render']>[0] = [];
+
+		const unused = new Set(this.compositor.getKeysOfRegisteredTextures());
+
+		for (const layer of layers) {
+			if (layer.type === 'text') {
+				const textureKey = `text:${layer.text}`;
+				unused.delete(textureKey);
+				if (!this.compositor.hasTexture(textureKey)) {
+					if (_DEV_) console.log(`Baking text texture of <${textureKey}>...`);
+					const image = await createTextureFromText(layer.text);
+					if (image != null) this.compositor.registerTexture(textureKey, image);
+				}
+
+				compositorLayers.push({
+					functionId: 'watermark',
+					id: layer.id,
+					params: {
+						repeat: layer.repeat,
+						noBoundingBoxExpansion: layer.noBoundingBoxExpansion,
+						scale: layer.scale,
+						align: layer.align,
+						angle: layer.angle,
+						opacity: layer.opacity,
+						cover: false,
+						watermark: textureKey,
+					},
+				});
+			} else if (layer.type === 'image') {
+				const textureKey = `url:${layer.imageUrl}`;
+				unused.delete(textureKey);
+				if (!this.compositor.hasTexture(textureKey)) {
+					if (_DEV_) console.log(`Baking url image texture of <${textureKey}>...`);
+					const image = await createTextureFromUrl(layer.imageUrl);
+					if (image != null) this.compositor.registerTexture(textureKey, image);
+				}
+
+				compositorLayers.push({
+					functionId: 'watermark',
+					id: layer.id,
+					params: {
+						repeat: layer.repeat,
+						noBoundingBoxExpansion: layer.noBoundingBoxExpansion,
+						scale: layer.scale,
+						align: layer.align,
+						angle: layer.angle,
+						opacity: layer.opacity,
+						cover: layer.cover,
+						watermark: textureKey,
+					},
+				});
+			} else if (layer.type === 'qr') {
+				const textureKey = `qr:${layer.data}`;
+				unused.delete(textureKey);
+				if (!this.compositor.hasTexture(textureKey)) {
+					if (_DEV_) console.log(`Baking qr texture of <${textureKey}>...`);
+					const image = await createTextureFromQr({ data: layer.data });
+					if (image != null) this.compositor.registerTexture(textureKey, image);
+				}
+
+				compositorLayers.push({
+					functionId: 'watermark',
+					id: layer.id,
+					params: {
+						repeat: false,
+						scale: layer.scale,
+						align: layer.align,
+						angle: 0,
+						opacity: layer.opacity,
+						cover: false,
+						watermark: textureKey,
+					},
+				});
+			} else if (layer.type === 'stripe') {
+				compositorLayers.push({
+					functionId: 'stripe',
+					id: layer.id,
+					params: {
+						angle: layer.angle,
+						frequency: layer.frequency,
+						threshold: layer.threshold,
+						color: layer.color,
+						opacity: layer.opacity,
+					},
+				});
+			} else if (layer.type === 'polkadot') {
+				compositorLayers.push({
+					functionId: 'polkadot',
+					id: layer.id,
+					params: {
+						angle: layer.angle,
+						scale: layer.scale,
+						majorRadius: layer.majorRadius,
+						majorOpacity: layer.majorOpacity,
+						minorDivisions: layer.minorDivisions,
+						minorRadius: layer.minorRadius,
+						minorOpacity: layer.minorOpacity,
+						color: layer.color,
+					},
+				});
+			} else if (layer.type === 'checker') {
+				compositorLayers.push({
+					functionId: 'checker',
+					id: layer.id,
+					params: {
+						angle: layer.angle,
+						scale: layer.scale,
+						color: layer.color,
+						opacity: layer.opacity,
+					},
+				});
+			} else {
+				throw new Error(`Unrecognized layer type: ${(layer as any).type}`);
+			}
+		}
+
+		for (const k of unused) {
+			if (_DEV_) console.log(`Dispose unused texture <${k}>...`);
+			this.compositor.unregisterTexture(k);
+		}
+
+		this.compositor.render(compositorLayers);
+	}
+
+	public changeResolution(width: number, height: number) {
+		this.compositor.changeResolution(width, height);
+	}
+
+	/*
+	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
+	 */
+	public destroy(disposeCanvas = true): void {
+		this.compositor.destroy(disposeCanvas);
+	}
+}
+
+async function createTextureFromUrl(imageUrl: string | null) {
+	if (imageUrl == null || imageUrl.trim() === '') return null;
+
+	const image = await new Promise<HTMLImageElement>((resolve, reject) => {
+		const img = new Image();
+		img.onload = () => resolve(img);
+		img.onerror = reject;
+		img.src = getProxiedImageUrl(imageUrl); // CORS対策
+	}).catch(() => null);
+
+	if (image == null) return null;
+
+	return image;
+}
+
+async function createTextureFromText(text: string | null, resolution = 2048) {
+	if (text == null || text.trim() === '') return null;
+
+	const ctx = window.document.createElement('canvas').getContext('2d')!;
+	ctx.canvas.width = resolution;
+	ctx.canvas.height = resolution / 4;
+	const fontSize = resolution / 32;
+	const margin = fontSize / 2;
+	ctx.shadowColor = '#000000';
+	ctx.shadowBlur = fontSize / 4;
+
+	//ctx.fillStyle = '#00ff00';
+	//ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
+
+	ctx.fillStyle = '#ffffff';
+	ctx.font = `bold ${fontSize}px sans-serif`;
+	ctx.textBaseline = 'middle';
+
+	ctx.fillText(text, margin, ctx.canvas.height / 2);
+
+	const textMetrics = ctx.measureText(text);
+	const cropWidth = (Math.ceil(textMetrics.actualBoundingBoxRight + textMetrics.actualBoundingBoxLeft) + margin + margin);
+	const cropHeight = (Math.ceil(textMetrics.actualBoundingBoxAscent + textMetrics.actualBoundingBoxDescent) + margin + margin);
+	const data = ctx.getImageData(0, (ctx.canvas.height / 2) - (cropHeight / 2), cropWidth, cropHeight);
+
+	ctx.canvas.remove();
+
+	return data;
+}
+
+async function createTextureFromQr(options: { data: string | null }, resolution = 512) {
+	const $i = ensureSignin();
+
+	const qrCodeInstance = new QRCodeStyling({
+		width: resolution,
+		height: resolution,
+		margin: 42,
+		type: 'canvas',
+		data: options.data == null || options.data === '' ? `${url}/users/${$i.id}` : options.data,
+		image: $i.avatarUrl,
+		qrOptions: {
+			typeNumber: 0,
+			mode: 'Byte',
+			errorCorrectionLevel: 'H',
+		},
+		imageOptions: {
+			hideBackgroundDots: true,
+			imageSize: 0.3,
+			margin: 16,
+			crossOrigin: 'anonymous',
+		},
+		dotsOptions: {
+			type: 'dots',
+		},
+		cornersDotOptions: {
+			type: 'dot',
+		},
+		cornersSquareOptions: {
+			type: 'extra-rounded',
+		},
+	});
+
+	const blob = await qrCodeInstance.getRawData('png') as Blob | null;
+	if (blob == null) return null;
+
+	const image = await window.createImageBitmap(blob);
+
+	return image;
+}
--- a/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.glsl
+++ b/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.glsl
--- a/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts
@ -3,57 +3,20 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { defineImageEffectorFx } from '../ImageEffector.js';
-import shader from './watermarkPlacement.glsl';
+import shader from './watermark.glsl';
+import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';

-export const FX_watermarkPlacement = defineImageEffectorFx({
-	id: 'watermarkPlacement',
-	name: '(internal)',
+export const fn = defineImageCompositorFunction<Partial<{
+	cover: boolean;
+	repeat: boolean;
+	scale: number;
+	angle: number;
+	align: { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom'; margin?: number; };
+	opacity: number;
+	noBoundingBoxExpansion: boolean;
+	watermark: string | null;
+}>>({
 	shader,
-	uniforms: ['opacity', 'scale', 'angle', 'cover', 'repeat', 'alignX', 'alignY', 'margin', 'repeatMargin', 'noBBoxExpansion', 'wmResolution', 'wmEnabled', 'watermark'] as const,
-	params: {
-		cover: {
-			type: 'boolean',
-			default: false,
-		},
-		repeat: {
-			type: 'boolean',
-			default: false,
-		},
-		scale: {
-			type: 'number',
-			default: 0.3,
-			min: 0.0,
-			max: 1.0,
-			step: 0.01,
-		},
-		angle: {
-			type: 'number',
-			default: 0,
-			min: -1.0,
-			max: 1.0,
-			step: 0.01,
-		},
-		align: {
-			type: 'align',
-			default: { x: 'right', y: 'bottom', margin: 0 },
-		},
-		opacity: {
-			type: 'number',
-			default: 0.75,
-			min: 0.0,
-			max: 1.0,
-			step: 0.01,
-		},
-		noBoundingBoxExpansion: {
-			type: 'boolean',
-			default: false,
-		},
-		watermark: {
-			type: 'texture',
-			default: null,
-		},
-	},
 	main: ({ gl, u, params, textures }) => {
 		// 基本パラメータ
 		gl.uniform1f(u.opacity, params.opacity ?? 1.0);
@ -70,7 +33,7 @@ export const FX_watermarkPlacement = defineImageEffectorFx({
 		gl.uniform1i(u.noBBoxExpansion, params.noBoundingBoxExpansion ? 1 : 0);

 		// ウォーターマークテクスチャ
-		const wm = textures.watermark;
+		const wm = textures.get(params.watermark);
 		if (wm) {
 			gl.activeTexture(gl.TEXTURE1);
 			gl.bindTexture(gl.TEXTURE_2D, wm.texture);
--- a/packages/frontend/src/utility/webgl.ts
+++ b/packages/frontend/src/utility/webgl.ts
@ -38,3 +38,14 @@ export function initShaderProgram(gl: WebGL2RenderingContext, vsSource: string,

 	return shaderProgram;
 }
+
+export function createTexture(gl: WebGL2RenderingContext): WebGLTexture {
+	const texture = gl.createTexture();
+	gl.bindTexture(gl.TEXTURE_2D, texture);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.MIRRORED_REPEAT);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.MIRRORED_REPEAT);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+	gl.bindTexture(gl.TEXTURE_2D, null);
+	return texture;
+}
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@ -797,6 +797,9 @@ importers:
      execa:
        specifier: 9.6.0
        version: 9.6.0
+      exifreader:
+        specifier: 4.32.0
+        version: 4.32.0
      frontend-shared:
        specifier: workspace:*
        version: link:../frontend-shared
@ -4973,6 +4976,10 @@ packages:
    resolution: {integrity: sha512-siPY6BD5dQ2SZPl3I0OZBHL27ZqZvLEosObsZRQ1NUB8qcxegwt0T9eKtV96JMFQpIz1elhkzqOg4c/Ri6Dp9A==}
    engines: {node: ^14.14.0 || >=16.0.0}

+  '@xmldom/xmldom@0.9.8':
+    resolution: {integrity: sha512-p96FSY54r+WJ50FIOsCOjyj/wavs8921hG5+kVMmZgKcvIKxMXHTrjNJvRgWa/zuX3B6t2lijLNFaOyuxUH+2A==}
+    engines: {node: '>=14.6'}
+
  abbrev@1.1.1:
    resolution: {integrity: sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==}

@ -6505,6 +6512,9 @@ packages:
    resolution: {integrity: sha512-8iA79xD3uAch729dUG8xaaBBFGaEa0wdD2VkYLFHwlqosEj/jT66AzcreRDSgV7ehnNLBW2WR5jIXwGKjVdTLg==}
    engines: {node: '>=4'}

+  exifreader@4.32.0:
+    resolution: {integrity: sha512-sj1PzjpaPwSE/2MeUqoAYcfc2u7AZOGSby0FzmAkB4jjeCXgDryxzVgMwV+tJKGIkGdWkkWiUWoLSJoPHJ6V5Q==}
+
  exit@0.1.2:
    resolution: {integrity: sha512-Zk/eNKV2zbjpKzrsQ+n1G6poVbErQxJ0LBOJXaKZ1EViLzH+hrLu9cdXI4zw9dBQJslwBEpbQ2P1oS7nDxs6jQ==}
    engines: {node: '>= 0.8.0'}
@ -7212,6 +7222,7 @@ packages:

  intersection-observer@0.12.2:
    resolution: {integrity: sha512-7m1vEcPCxXYI8HqnL8CKI6siDyD+eIWSwgB3DZA+ZTogxk9I4CDnj4wilt9x/+/QbHI4YG5YZNmC6458/e9Ktg==}
+    deprecated: The Intersection Observer polyfill is no longer needed and can safely be removed. Intersection Observer has been Baseline since 2019.

  ioredis@5.8.1:
    resolution: {integrity: sha512-Qho8TgIamqEPdgiMadJwzRMW3TudIg6vpg4YONokGDudy4eqRIJtDbVX72pfLBcWxvbn3qm/40TyGUObdW4tLQ==}
@ -15621,6 +15632,9 @@ snapshots:
    dependencies:
      arch: 3.0.0

+  '@xmldom/xmldom@0.9.8':
+    optional: true
+
  abbrev@1.1.1: {}

  abbrev@3.0.1: {}
@ -17465,6 +17479,10 @@ snapshots:
    dependencies:
      pify: 2.3.0

+  exifreader@4.32.0:
+    optionalDependencies:
+      '@xmldom/xmldom': 0.9.8
+
  exit@0.1.2: {}

  expand-template@2.0.3: