wip

locales/index.d.ts

@@ -5481,6 +5481,10 @@ export interface Locale extends ILocale {
      * デフォルトの画像圧縮度
      */
     "defaultImageCompressionLevel": string;
+    /**
+     * 低くすると画質を保てますが、ファイルサイズは増加します。<br>高くするとファイルサイズを減らせますが、画質は低下します。
+     */
+    "defaultImageCompressionLevel_description": string;
     "_chat": {
         /**
          * まだメッセージはありません
@@ -12079,6 +12083,10 @@ export interface Locale extends ILocale {
          * エフェクトを追加
          */
         "addEffect": string;
+        /**
+         * 変更を破棄して終了しますか？
+         */
+        "discardChangesConfirm": string;
         "_fxs": {
             /**
              * 色収差

locales/ja-JP.yml

@@ -1365,6 +1365,7 @@ tip: "ヒントとコツ"
 redisplayAllTips: "全ての「ヒントとコツ」を再表示"
 hideAllTips: "全ての「ヒントとコツ」を非表示"
 defaultImageCompressionLevel: "デフォルトの画像圧縮度"
+defaultImageCompressionLevel_description: "低くすると画質を保てますが、ファイルサイズは増加します。<br>高くするとファイルサイズを減らせますが、画質は低下します。"
 
 _chat:
   noMessagesYet: "まだメッセージはありません"
@@ -3236,6 +3237,7 @@ _watermarkEditor:
 _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？"
 
   _fxs:
     chromaticAberration: "色収差"

packages/frontend/src/components/MkImageEffectorDialog.vue

@@ -48,7 +48,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script setup lang="ts">
 import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive } from 'vue';
 import { v4 as uuid } from 'uuid';
-import type { WatermarkPreset } from '@/utility/watermark.js';
 import type { ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
 import { i18n } from '@/i18n.js';
 import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
@@ -62,7 +61,7 @@ import { deepClone } from '@/utility/clone.js';
 import { FXS } from '@/utility/image-effector/fxs.js';
 
 const props = defineProps<{
-	image: HTMLImageElement;
+	image: File;
 }>();
 
 const emit = defineEmits<{
@@ -73,7 +72,14 @@ const emit = defineEmits<{
 
 const dialog = useTemplateRef('dialog');
 
-function cancel() {
+async function cancel() {
+	if (layers.length > 0) {
+		const { canceled } = await os.confirm({
+			text: i18n.ts._imageEffector.discardChangesConfirm,
+		});
+		if (canceled) return;
+	}
+
 	emit('cancel');
 	dialog.value?.close();
 }
@@ -82,7 +88,7 @@ const layers = reactive<ImageEffectorLayer[]>([]);
 
 watch(layers, async () => {
 	if (renderer != null) {
-		renderer.updateLayers(layers);
+		renderer.setLayers(layers);
 	}
 }, { deep: true });
 
@@ -109,20 +115,39 @@ function onLayerDelete(layer: ImageEffectorLayer) {
 const canvasEl = useTemplateRef('canvasEl');
 
 let renderer: ImageEffector | null = null;
+let imageBitmap: ImageBitmap | null = null;
 
 onMounted(async () => {
+	if (canvasEl.value == null) return;
+
+	const closeWaiting = os.waiting();
+
+	imageBitmap = await window.createImageBitmap(props.image);
+
+	const MAX_W = 500;
+	const MAX_H = 500;
+	let w = imageBitmap.width;
+	let h = imageBitmap.height;
+
+	if (w > MAX_W || h > MAX_H) {
+		const scale = Math.min(MAX_W / w, MAX_H / h);
+		w *= scale;
+		h *= scale;
+	}
+
 	renderer = new ImageEffector({
 		canvas: canvasEl.value,
-		width: props.image.width,
+		renderWidth: w,
-		height: props.image.height,
+		renderHeight: h,
-		layers: layers,
+		image: imageBitmap,
-		originalImage: props.image,
 		fxs: FXS,
 	});
 
-	await renderer!.bakeTextures();
+	await renderer.setLayers(layers);
 
-	renderer!.render();
+	renderer.render();
+
+	closeWaiting();
 });
 
 onUnmounted(() => {
@@ -130,18 +155,26 @@ onUnmounted(() => {
 		renderer.destroy();
 		renderer = null;
 	}
+	if (imageBitmap != null) {
+		imageBitmap.close();
+		imageBitmap = null;
+	}
 });
 
 function save() {
-	if (layers.length === 0) {
+	if (layers.length === 0 || renderer == null || imageBitmap == null || canvasEl.value == null) {
 		cancel();
 		return;
 	}
 
-	renderer!.render(); // toBlobの直前にレンダリングしないと何故か壊れる
+	const closeWaiting = os.waiting();
-	canvasEl.value!.toBlob((blob) => {
+
+	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
+	canvasEl.value.toBlob((blob) => {
 		emit('ok', new File([blob!], `image-${Date.now()}.png`, { type: 'image/png' }));
 		dialog.value?.close();
+		closeWaiting();
 	}, 'image/png');
 }
 
@@ -149,9 +182,9 @@ const enabled = ref(true);
 watch(enabled, () => {
 	if (renderer != null) {
 		if (enabled.value) {
-			renderer.updateLayers(layers);
+			renderer.setLayers(layers);
 		} else {
-			renderer.updateLayers([]);
+			renderer.setLayers([]);
 		}
 		renderer.render();
 	}

packages/frontend/src/components/MkUploaderDialog.vue

@@ -96,9 +96,7 @@ 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 { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
+import { WatermarkRenderer } from '@/utility/watermark.js';
-import { makeImageEffectorLayers } from '@/utility/watermark.js';
-import { FX_watermarkPlacement } from '@/utility/image-effector/fxs/watermarkPlacement.js';
 
 const $i = ensureSignin();
 
@@ -299,9 +297,8 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 			icon: 'ti ti-sparkles',
 			text: i18n.ts._imageEffector.title,
 			action: async () => {
-				const img = await getImageElement(item.file);
 				const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkImageEffectorDialog.vue')), {
-					image: img,
+					image: item.file,
 				}, {
 					ok: (file) => {
 						URL.revokeObjectURL(item.thumbnail);
@@ -315,10 +312,7 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 							triggerRef(items);
 						});
 					},
-					closed: () => {
+					closed: () => dispose(),
-						URL.revokeObjectURL(img.src);
-						dispose();
-					},
 				});
 			},
 		});
@@ -348,7 +342,24 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 				text: preset.name,
 				active: computed(() => item.watermarkPresetId === preset.id),
 				action: () => changeWatermarkPreset(preset.id),
-			}))],
+			})), {
+				type: 'divider',
+			}, {
+				type: 'button',
+				icon: 'ti ti-plus',
+				text: i18n.ts.add,
+				action: async () => {
+					const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkWatermarkEditorDialog.vue')), {
+						image: item.file,
+					}, {
+						ok: (preset) => {
+							prefer.commit('watermarkPresets', [...prefer.s.watermarkPresets, preset]);
+							changeWatermarkPreset(preset.id);
+						},
+						closed: () => dispose(),
+					});
+				},
+			}],
 		});
 	}
 
@@ -496,42 +507,24 @@ async function chooseFile(ev: MouseEvent) {
 	}
 }
 
-function getImageElement(file: Blob | File): Promise<HTMLImageElement> {
-	return new Promise((resolve, reject) => {
-		const img = new Image();
-
-		img.onload = () => {
-			resolve(img);
-		};
-
-		img.onerror = (error) => {
-			reject(error);
-		};
-
-		img.src = URL.createObjectURL(file);
-	});
-}
-
 async function preprocess(item: (typeof items)['value'][number]): Promise<void> {
 	item.preprocessing = true;
 
 	let file: Blob | File = item.file;
-	const img = await getImageElement(file);
+	const imageBitmap = await window.createImageBitmap(file);
 
 	const needsWatermark = item.watermarkPresetId != null && WATERMARK_SUPPORTED_TYPES.includes(file.type);
 	const preset = prefer.s.watermarkPresets.find(p => p.id === item.watermarkPresetId);
 	if (needsWatermark && preset != null) {
 		const canvas = window.document.createElement('canvas');
-		const renderer = new ImageEffector({
+		const renderer = new WatermarkRenderer({
 			canvas: canvas,
-			width: img.width,
+			renderWidth: imageBitmap.width,
-			height: img.height,
+			renderHeight: imageBitmap.height,
-			layers: makeImageEffectorLayers(preset.layers),
+			image: imageBitmap,
-			originalImage: img,
-			fxs: [FX_watermarkPlacement],
 		});
 
-		await renderer.bakeTextures();
+		await renderer.setLayers(preset.layers);
 
 		renderer.render();
 
@@ -541,6 +534,7 @@ async function preprocess(item: (typeof items)['value'][number]): Promise<void>
 					throw new Error('Failed to convert canvas to blob');
 				}
 				resolve(blob);
+				renderer.destroy();
 			}, 'image/png');
 		});
 	}
@@ -578,7 +572,7 @@ async function preprocess(item: (typeof items)['value'][number]): Promise<void>
 	item.preprocessedFile = markRaw(file);
 	item.preprocessing = false;
 
-	URL.revokeObjectURL(img.src);
+	imageBitmap.close();
 }
 
 function initializeFile(file: File) {

packages/frontend/src/components/MkWatermarkEditorDialog.vue

@@ -22,7 +22,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
 				<div :class="$style.previewContainer">
 					<div class="_acrylic" :class="$style.previewTitle">{{ i18n.ts.preview }}</div>
-					<div class="_acrylic" :class="$style.previewControls">
+					<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>
 					</div>
@@ -48,9 +48,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive } from 'vue';
 import { v4 as uuid } from 'uuid';
 import type { WatermarkPreset } from '@/utility/watermark.js';
-import { makeImageEffectorLayers } from '@/utility/watermark.js';
+import { WatermarkRenderer } from '@/utility/watermark.js';
 import { i18n } from '@/i18n.js';
-import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
 import MkModalWindow from '@/components/MkModalWindow.vue';
 import MkSelect from '@/components/MkSelect.vue';
 import MkButton from '@/components/MkButton.vue';
@@ -59,12 +58,12 @@ import XLayer from '@/components/MkWatermarkEditorDialog.Layer.vue';
 import * as os from '@/os.js';
 import { deepClone } from '@/utility/clone.js';
 import { ensureSignin } from '@/i.js';
-import { FX_watermarkPlacement } from '@/utility/image-effector/fxs/watermarkPlacement.js';
 
 const $i = ensureSignin();
 
 const props = defineProps<{
 	preset?: WatermarkPreset | null;
+	image?: File | null;
 }>();
 
 const preset = reactive(deepClone(props.preset) ?? {
@@ -122,7 +121,7 @@ watch(type, () => {
 
 watch(preset, async (newValue, oldValue) => {
 	if (renderer != null) {
-		renderer.updateLayers(makeImageEffectorLayers(preset.layers));
+		renderer.setLayers(preset.layers);
 	}
 }, { deep: true });
 
@@ -140,7 +139,7 @@ const sampleImage_2_3_loading = new Promise<void>(resolve => {
 	sampleImage_2_3.onload = () => resolve();
 });
 
-const sampleImageType = ref('3_2');
+const sampleImageType = ref(props.image != null ? 'provided' : '3_2');
 watch(sampleImageType, async () => {
 	if (renderer != null) {
 		renderer.destroy();
@@ -149,41 +148,62 @@ watch(sampleImageType, async () => {
 	}
 });
 
-let renderer: ImageEffector | null = null;
+let renderer: WatermarkRenderer | null = null;
+let imageBitmap: ImageBitmap | null = null;
 
 async function initRenderer() {
 	if (canvasEl.value == null) return;
 
 	if (sampleImageType.value === '3_2') {
-		renderer = new ImageEffector({
+		renderer = new WatermarkRenderer({
 			canvas: canvasEl.value,
-			width: 1500,
+			renderWidth: 1500,
-			height: 1000,
+			renderHeight: 1000,
-			layers: makeImageEffectorLayers(preset.layers),
+			image: sampleImage_3_2,
-			originalImage: sampleImage_3_2,
-			fxs: [FX_watermarkPlacement],
 		});
 	} else if (sampleImageType.value === '2_3') {
-		renderer = new ImageEffector({
+		renderer = new WatermarkRenderer({
 			canvas: canvasEl.value,
-			width: 1000,
+			renderWidth: 1000,
-			height: 1500,
+			renderHeight: 1500,
-			layers: makeImageEffectorLayers(preset.layers),
+			image: sampleImage_2_3,
-			originalImage: sampleImage_2_3,
+		});
-			fxs: [FX_watermarkPlacement],
+	} else if (props.image != null) {
+		imageBitmap = await window.createImageBitmap(props.image);
+
+		const MAX_W = 1000;
+		const MAX_H = 1000;
+		let w = imageBitmap.width;
+		let h = imageBitmap.height;
+
+		if (w > MAX_W || h > MAX_H) {
+			const scale = Math.min(MAX_W / w, MAX_H / h);
+			w *= scale;
+			h *= scale;
+		}
+
+		renderer = new WatermarkRenderer({
+			canvas: canvasEl.value,
+			renderWidth: w,
+			renderHeight: h,
+			image: imageBitmap,
 		});
 	}
 
-	await renderer!.bakeTextures();
+	await renderer!.setLayers(preset.layers);
 
 	renderer!.render();
 }
 
 onMounted(async () => {
+	const closeWaiting = os.waiting();
+
 	await sampleImage_3_2_loading;
 	await sampleImage_2_3_loading;
 
-	initRenderer();
+	await initRenderer();
+
+	closeWaiting();
 });
 
 onUnmounted(() => {
@@ -191,6 +211,10 @@ onUnmounted(() => {
 		renderer.destroy();
 		renderer = null;
 	}
+	if (imageBitmap != null) {
+		imageBitmap.close();
+		imageBitmap = null;
+	}
 });
 
 async function save() {

packages/frontend/src/pages/settings/drive.WatermarkItem.vue

@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<MkFolder :defaultOpen="false">
+<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>
@@ -23,14 +23,12 @@ 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 { makeImageEffectorLayers } from '@/utility/watermark.js';
+import { WatermarkRenderer } from '@/utility/watermark.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';
-import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
-import { FX_watermarkPlacement } from '@/utility/image-effector/fxs/watermarkPlacement.js';
 
 const props = defineProps<{
 	preset: WatermarkPreset;
@@ -66,23 +64,21 @@ const canvasEl = useTemplateRef('canvasEl');
 const sampleImage = new Image();
 sampleImage.src = '/client-assets/sample/3-2.jpg';
 
-let renderer: ImageEffector | null = null;
+let renderer: WatermarkRenderer | null = null;
 
 onMounted(() => {
 	sampleImage.onload = async () => {
 		watch(canvasEl, async () => {
 			if (canvasEl.value == null) return;
 
-			renderer = new ImageEffector({
+			renderer = new WatermarkRenderer({
 				canvas: canvasEl.value,
-				width: 1500,
+				renderWidth: 1500,
-				height: 1000,
+				renderHeight: 1000,
-				layers: makeImageEffectorLayers(props.preset.layers),
+				image: sampleImage,
-				originalImage: sampleImage,
-				fxs: [FX_watermarkPlacement],
 			});
 
-			await renderer.bakeTextures();
+			await renderer.setLayers(props.preset.layers);
 
 			renderer.render();
 		}, { immediate: true });
@@ -98,8 +94,7 @@ onUnmounted(() => {
 
 watch(() => props.preset, async () => {
 	if (renderer != null) {
-		renderer.updateLayers(makeImageEffectorLayers(props.preset.layers));
+		await renderer.setLayers(props.preset.layers);
-		await renderer.bakeTextures();
 		renderer.render();
 	}
 }, { deep: true });

packages/frontend/src/pages/settings/drive.vue

@@ -90,6 +90,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<MkFolder>
 							<template #icon><i class="ti ti-copyright"></i></template>
 							<template #label><SearchLabel>{{ i18n.ts.watermark }}</SearchLabel></template>
+							<template #caption>{{ i18n.ts._watermarkEditor.tip }}</template>
 
 							<div class="_gaps">
 								<div class="_gaps_s">
@@ -134,6 +135,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 								]"
 							>
 								<template #label><SearchLabel>{{ i18n.ts.defaultImageCompressionLevel }}</SearchLabel></template>
+								<template #caption><div v-html="i18n.ts.defaultImageCompressionLevel_description"></div></template>
 							</MkSelect>
 						</MkPreferenceContainer>
 					</SearchMarker>

packages/frontend/src/utility/image-effector/ImageEffector.ts

@@ -11,6 +11,7 @@ type ParamTypeToPrimitive = {
 	'boolean': boolean;
 	'align': { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom'; };
 	'seed': number;
+	'texture': { type: 'text'; text: string | null; } | { type: 'url'; url: string | null; } | null;
 };
 
 type ImageEffectorFxParamDefs = Record<string, {
@@ -18,30 +19,30 @@ type ImageEffectorFxParamDefs = Record<string, {
 	default: any;
 }>;
 
-export function defineImageEffectorFx<ID extends string, P extends ImageEffectorFxParamDefs, U extends string[]>(fx: ImageEffectorFx<ID, P, U>) {
+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, P extends ImageEffectorFxParamDefs = any, U extends string[] = string[]> = {
+export type ImageEffectorFx<ID extends string = string, PS extends ImageEffectorFxParamDefs = ImageEffectorFxParamDefs, US extends string[] = string[]> = {
 	id: ID;
 	name: string;
 	shader: string;
-	uniforms: U;
+	uniforms: US;
-	params: P,
+	params: PS,
 	main: (ctx: {
 		gl: WebGL2RenderingContext;
 		program: WebGLProgram;
 		params: {
-			[key in keyof P]: ParamTypeToPrimitive[P[key]['type']];
+			[key in keyof PS]: ParamTypeToPrimitive[PS[key]['type']];
 		};
-		u: Record<U[number], WebGLUniformLocation>;
+		u: Record<US[number], WebGLUniformLocation>;
 		width: number;
 		height: number;
-		watermark?: {
+		textures: Record<string, {
 			texture: WebGLTexture;
 			width: number;
 			height: number;
-		};
+		} | null>;
 	}) => void;
 };
 
@@ -49,54 +50,55 @@ export type ImageEffectorLayer = {
 	id: string;
 	fxId: string;
 	params: Record<string, any>;
-
-	// for watermarkPlacement fx
-	imageUrl?: string | null;
-	text?: string | null;
 };
 
+function getValue<T extends keyof ParamTypeToPrimitive>(params: Record<string, any>, k: string): ParamTypeToPrimitive[T] {
+	return params[k];
+}
+
 export class ImageEffector {
+	private gl: WebGL2RenderingContext;
 	private canvas: HTMLCanvasElement | null = null;
-	private gl: WebGL2RenderingContext | null = null;
+	private renderTextureProgram: WebGLProgram;
-	private renderTextureProgram!: WebGLProgram;
+	private renderInvertedTextureProgram: WebGLProgram;
-	private renderInvertedTextureProgram!: WebGLProgram;
+	private renderWidth: number;
-	private renderWidth!: number;
+	private renderHeight: number;
-	private renderHeight!: number;
 	private originalImage: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
-	private layers: ImageEffectorLayer[];
+	private layers: ImageEffectorLayer[] = [];
 	private originalImageTexture: WebGLTexture;
-	private bakedTexturesForWatermarkFx: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
-	private texturesKey: string;
 	private shaderCache: Map<string, WebGLProgram> = new Map();
 	private perLayerResultTextures: Map<string, WebGLTexture> = new Map();
 	private perLayerResultFrameBuffers: Map<string, WebGLFramebuffer> = new Map();
 	private fxs: ImageEffectorFx[];
+	private paramTextures: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
 
 	constructor(options: {
 		canvas: HTMLCanvasElement;
-		width: number;
+		renderWidth: number;
-		height: number;
+		renderHeight: number;
-		originalImage: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
+		image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
-		layers: ImageEffectorLayer[];
 		fxs: ImageEffectorFx[];
 	}) {
 		this.canvas = options.canvas;
-		this.canvas.width = options.width;
+		this.renderWidth = options.renderWidth;
-		this.canvas.height = options.height;
+		this.renderHeight = options.renderHeight;
-		this.renderWidth = options.width;
+		this.originalImage = options.image;
-		this.renderHeight = options.height;
-		this.originalImage = options.originalImage;
-		this.layers = options.layers;
 		this.fxs = options.fxs;
-		this.texturesKey = this.calcTexturesKey();
 
-		this.gl = this.canvas.getContext('webgl2', {
+		this.canvas.width = this.renderWidth;
+		this.canvas.height = this.renderHeight;
+
+		const gl = this.canvas.getContext('webgl2', {
 			preserveDrawingBuffer: false,
 			alpha: true,
 			premultipliedAlpha: false,
-		})!;
+		});
 
-		const gl = this.gl;
+		if (gl == null) {
+			throw new Error('Failed to initialize WebGL2 context');
+		}
+
+		this.gl = gl;
 
 		gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
 
@@ -105,10 +107,10 @@ export class ImageEffector {
 		gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
 		gl.bufferData(gl.ARRAY_BUFFER, VERTICES, gl.STATIC_DRAW);
 
-		this.originalImageTexture = this.createTexture();
+		this.originalImageTexture = createTexture(gl);
 		gl.activeTexture(gl.TEXTURE0);
 		gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
-		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, options.width, options.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, this.originalImage);
+		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.renderTextureProgram = this.initShaderProgram(`#version 300 es
@@ -153,119 +155,8 @@ export class ImageEffector {
 		`)!;
 	}
 
-	private calcTexturesKey() {
-		return this.layers.map(layer => {
-			if (layer.fxId === 'watermarkPlacement' && layer.imageUrl != null) {
-				return layer.imageUrl;
-			} else if (layer.fxId === 'watermarkPlacement' && layer.text != null) {
-				return layer.text;
-			}
-			return '';
-		}).join(';');
-	}
-
-	private createTexture(): WebGLTexture {
-		const gl = this.gl!;
-		const texture = gl.createTexture();
-		gl.bindTexture(gl.TEXTURE_2D, texture);
-		gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
-		gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.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!;
-	}
-
-	public disposeBakedTextures() {
-		const gl = this.gl;
-		if (gl == null) {
-			throw new Error('gl is not initialized');
-		}
-
-		for (const bakedTexture of this.bakedTexturesForWatermarkFx.values()) {
-			gl.deleteTexture(bakedTexture.texture);
-		}
-		this.bakedTexturesForWatermarkFx.clear();
-	}
-
-	public async bakeTextures() {
-		const gl = this.gl;
-		if (gl == null) {
-			throw new Error('gl is not initialized');
-		}
-
-		console.log('baking textures', this.texturesKey);
-
-		this.disposeBakedTextures();
-
-		for (const layer of this.layers) {
-			if (layer.fxId === 'watermarkPlacement' && layer.imageUrl != null) {
-				const image = await new Promise<HTMLImageElement>((resolve, reject) => {
-					const img = new Image();
-					img.onload = () => resolve(img);
-					img.onerror = reject;
-					img.src = getProxiedImageUrl(layer.imageUrl); // CORS対策
-				});
-
-				const texture = this.createTexture();
-				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.bakedTexturesForWatermarkFx.set(layer.id, {
-					texture: texture,
-					width: image.width,
-					height: image.height,
-				});
-			} else if (layer.fxId === 'watermarkPlacement' && layer.text != null) {
-				const measureCtx = window.document.createElement('canvas').getContext('2d')!;
-				measureCtx.canvas.width = this.renderWidth;
-				measureCtx.canvas.height = this.renderHeight;
-				const fontSize = Math.min(this.renderWidth, this.renderHeight) / 20;
-				const margin = Math.min(this.renderWidth, this.renderHeight) / 50;
-				measureCtx.font = `bold ${fontSize}px sans-serif`;
-				const textMetrics = measureCtx.measureText(layer.text);
-				measureCtx.canvas.remove();
-
-				const RESOLUTION_FACTOR = 4;
-
-				const textCtx = window.document.createElement('canvas').getContext('2d')!;
-				textCtx.canvas.width = (Math.ceil(textMetrics.actualBoundingBoxRight + textMetrics.actualBoundingBoxLeft) + margin + margin) * RESOLUTION_FACTOR;
-				textCtx.canvas.height = (Math.ceil(textMetrics.actualBoundingBoxAscent + textMetrics.actualBoundingBoxDescent) + margin + margin) * RESOLUTION_FACTOR;
-
-				//textCtx.fillStyle = '#00ff00';
-				//textCtx.fillRect(0, 0, textCtx.canvas.width, textCtx.canvas.height);
-
-				textCtx.shadowColor = '#000000';
-				textCtx.shadowBlur = 10 * RESOLUTION_FACTOR;
-
-				textCtx.fillStyle = '#ffffff';
-				textCtx.font = `bold ${fontSize * RESOLUTION_FACTOR}px sans-serif`;
-				textCtx.textBaseline = 'middle';
-				textCtx.textAlign = 'center';
-
-				textCtx.fillText(layer.text, textCtx.canvas.width / 2, textCtx.canvas.height / 2);
-
-				const texture = this.createTexture();
-				gl.activeTexture(gl.TEXTURE0);
-				gl.bindTexture(gl.TEXTURE_2D, texture);
-				gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, textCtx.canvas.width, textCtx.canvas.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, textCtx.canvas);
-				gl.bindTexture(gl.TEXTURE_2D, null);
-
-				this.bakedTexturesForWatermarkFx.set(layer.id, {
-					texture: texture,
-					width: textCtx.canvas.width,
-					height: textCtx.canvas.height,
-				});
-
-				textCtx.canvas.remove();
-			}
-		}
-	}
-
 	public loadShader(type, source) {
-		const gl = this.gl!;
+		const gl = this.gl;
 
 		const shader = gl.createShader(type)!;
 
@@ -284,7 +175,7 @@ export class ImageEffector {
 	}
 
 	public initShaderProgram(vsSource, fsSource): WebGLProgram {
-		const gl = this.gl!;
+		const gl = this.gl;
 
 		const vertexShader = this.loadShader(gl.VERTEX_SHADER, vsSource)!;
 		const fragmentShader = this.loadShader(gl.FRAGMENT_SHADER, fsSource)!;
@@ -308,15 +199,10 @@ export class ImageEffector {
 
 	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture) {
 		const gl = this.gl;
-		if (gl == null) {
-			throw new Error('gl is not initialized');
-		}
 
 		const fx = this.fxs.find(fx => fx.id === layer.fxId);
 		if (fx == null) return;
 
-		const watermark = layer.fxId === 'watermarkPlacement' ? this.bakedTexturesForWatermarkFx.get(layer.id) : undefined;
-
 		const cachedShader = this.shaderCache.get(fx.id);
 		const shaderProgram = cachedShader ?? this.initShaderProgram(`#version 300 es
 			in vec2 position;
@@ -348,11 +234,18 @@ export class ImageEffector {
 				Object.entries(fx.params).map(([key, param]) => {
 					return [key, layer.params[key] ?? param.default];
 				}),
-			) as any,
+			),
 			u: Object.fromEntries(fx.uniforms.map(u => [u, gl.getUniformLocation(shaderProgram, 'u_' + u)!])),
 			width: this.renderWidth,
 			height: this.renderHeight,
-			watermark: watermark,
+			textures: Object.fromEntries(
+				Object.entries(fx.params).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);
@@ -360,9 +253,6 @@ export class ImageEffector {
 
 	public render() {
 		const gl = this.gl;
-		if (gl == null) {
-			throw new Error('gl is not initialized');
-		}
 
 		{
 			gl.activeTexture(gl.TEXTURE0);
@@ -386,7 +276,7 @@ export class ImageEffector {
 
 		for (const layer of this.layers) {
 			const cachedResultTexture = this.perLayerResultTextures.get(layer.id);
-			const resultTexture = cachedResultTexture ?? this.createTexture();
+			const resultTexture = cachedResultTexture ?? createTexture(gl);
 			if (cachedResultTexture == null) {
 				this.perLayerResultTextures.set(layer.id, resultTexture);
 			}
@@ -420,42 +310,160 @@ export class ImageEffector {
 		gl.drawArrays(gl.TRIANGLES, 0, 6);
 	}
 
-	public async updateLayers(layers: ImageEffectorLayer[]) {
+	public async setLayers(layers: ImageEffectorLayer[]) {
 		this.layers = layers;
 
-		const newTexturesKey = this.calcTexturesKey();
+		const unused = new Set(this.paramTextures.keys());
-		if (newTexturesKey !== this.texturesKey) {
+
-			this.texturesKey = newTexturesKey;
+		for (const layer of layers) {
-			await this.bakeTextures();
+			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;
+
+				console.log(`Baking texture of <${textureKey}>...`);
+
+				const texture = v.type === 'text' ? await createTextureFromText(this.gl, v.text) : v.type === 'url' ? await createTextureFromUrl(this.gl, v.url) : null;
+				if (texture == null) continue;
+
+				this.paramTextures.set(textureKey, texture);
+			}
+		}
+
+		for (const k of unused) {
+			console.log(`Dispose unused texture <${k}>...`);
+			this.gl.deleteTexture(this.paramTextures.get(k)!.texture);
+			this.paramTextures.delete(k);
 		}
 
 		this.render();
 	}
 
-	public destroy() {
+	public changeResolution(width: number, height: number) {
-		const gl = this.gl;
+		this.renderWidth = width;
-		if (gl == null) {
+		this.renderHeight = height;
-			throw new Error('gl is not initialized');
+		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}` : '';
+	}
+
+	public destroy() {
 		for (const shader of this.shaderCache.values()) {
-			gl.deleteProgram(shader);
+			this.gl.deleteProgram(shader);
 		}
 		this.shaderCache.clear();
 
 		for (const texture of this.perLayerResultTextures.values()) {
-			gl.deleteTexture(texture);
+			this.gl.deleteTexture(texture);
 		}
 		this.perLayerResultTextures.clear();
 
 		for (const framebuffer of this.perLayerResultFrameBuffers.values()) {
-			gl.deleteFramebuffer(framebuffer);
+			this.gl.deleteFramebuffer(framebuffer);
 		}
 		this.perLayerResultFrameBuffers.clear();
 
-		this.disposeBakedTextures();
+		for (const texture of this.paramTextures.values()) {
-		gl.deleteProgram(this.renderTextureProgram);
+			this.gl.deleteTexture(texture.texture);
-		gl.deleteProgram(this.renderInvertedTextureProgram);
+		}
-		gl.deleteTexture(this.originalImageTexture);
+		this.paramTextures.clear();
+
+		this.gl.deleteProgram(this.renderTextureProgram);
+		this.gl.deleteProgram(this.renderInvertedTextureProgram);
+		this.gl.deleteTexture(this.originalImageTexture);
 	}
 }
+
+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;
+}

packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts

@@ -98,17 +98,21 @@ export const FX_watermarkPlacement = defineImageEffectorFx({
 			max: 1.0,
 			step: 0.01,
 		},
+		watermark: {
+			type: 'texture' as const,
+			default: null,
 		},
-	main: ({ gl, u, params, watermark }) => {
+	},
-		if (watermark == null) {
+	main: ({ gl, u, params, textures }) => {
+		if (textures.watermark == null) {
 			return;
 		}
 
 		gl.activeTexture(gl.TEXTURE1);
-		gl.bindTexture(gl.TEXTURE_2D, watermark.texture);
+		gl.bindTexture(gl.TEXTURE_2D, textures.watermark.texture);
 		gl.uniform1i(u.texture_watermark, 1);
 
-		gl.uniform2fv(u.resolution_watermark, [watermark.width, watermark.height]);
+		gl.uniform2fv(u.resolution_watermark, [textures.watermark.width, textures.watermark.height]);
 		gl.uniform1f(u.scale, params.scale);
 		gl.uniform1f(u.opacity, params.opacity);
 		gl.uniform1f(u.angle, 0.0);

packages/frontend/src/utility/image-effector/fxs/zoomLines.ts

@@ -69,7 +69,7 @@ export const FX_zoomLines = defineImageEffectorFx({
 		},
 		threshold: {
 			type: 'number' as const,
-			default: 0.5,
+			default: 0.8,
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,

packages/frontend/src/utility/watermark.ts

@@ -3,7 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import { FX_watermarkPlacement } from './image-effector/fxs/watermarkPlacement.js';
 import type { ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
+import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
 
 export type WatermarkPreset = {
 	id: string;
@@ -29,8 +31,27 @@ export type WatermarkPreset = {
 	})[];
 };
 
-export function makeImageEffectorLayers(layers: WatermarkPreset['layers']): ImageEffectorLayer[] {
+export class WatermarkRenderer {
-	return layers.map(layer => {
+	private effector: ImageEffector;
+	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: [FX_watermarkPlacement],
+		});
+	}
+
+	private makeImageEffectorLayers(): ImageEffectorLayer[] {
+		return this.layers.map(layer => {
 			if (layer.type === 'text') {
 				return {
 					fxId: 'watermarkPlacement',
@@ -41,9 +62,11 @@ export function makeImageEffectorLayers(layers: WatermarkPreset['layers']): Imag
 						align: layer.align,
 						opacity: layer.opacity,
 						cover: false,
-				},
+						watermark: {
+							type: 'text',
 							text: layer.text,
-				imageUrl: null,
+						},
+					},
 				};
 			} else {
 				return {
@@ -55,10 +78,27 @@ export function makeImageEffectorLayers(layers: WatermarkPreset['layers']): Imag
 						align: layer.align,
 						opacity: layer.opacity,
 						cover: layer.cover,
+						watermark: {
+							type: 'url',
+							url: layer.imageUrl,
+						},
 					},
-				text: null,
-				imageUrl: layer.imageUrl ?? null,
 				};
 			}
 		});
 	}
+
+	public async setLayers(layers: WatermarkPreset['layers']) {
+		this.layers = layers;
+		await this.effector.setLayers(this.makeImageEffectorLayers());
+		this.render();
+	}
+
+	public render(): void {
+		this.effector.render();
+	}
+
+	public destroy(): void {
+		this.effector.destroy();
+	}
+}