From c9b5e66cdb10e040ba9d09e289f596422071e564 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 16 Dec 2025 16:50:20 +0900
Subject: [PATCH] wip

---
 .../components/MkImageFrameEditorDialog.vue   | 26 +++++++++++++++++++
 .../ImageFrameRenderer.ts                     | 13 ++++++++++
 .../utility/image-frame-renderer/frame.glsl   |  4 +++
 .../src/utility/image-frame-renderer/frame.ts | 18 ++++++++++---
 4 files changed, 57 insertions(+), 4 deletions(-)

diff --git a/packages/frontend/src/components/MkImageFrameEditorDialog.vue b/packages/frontend/src/components/MkImageFrameEditorDialog.vue
index 2a91c85952..fcdf80ce5d 100644
--- a/packages/frontend/src/components/MkImageFrameEditorDialog.vue
+++ b/packages/frontend/src/components/MkImageFrameEditorDialog.vue
@@ -31,6 +31,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 			<div :class="$style.controls">
 				<div class="_spacer _gaps">
+					<MkButton inline rounded primary @click="chooseFile">{{ i18n.ts.selectFile }}</MkButton>
+
 					<MkRange v-model="params.borderThickness" :min="0" :max="0.2" :step="0.01" :continuousUpdate="true">
 						<template #label>{{ i18n.ts._imageFrameEditor.borderThickness }}</template>
 					</MkRange>
@@ -175,6 +177,7 @@ import { ensureSignin } from '@/i.js';
 import { genId } from '@/utility/id.js';
 import { useMkSelect } from '@/composables/use-mkselect.js';
 import { prefer } from '@/preferences.js';
+import { selectFile } from '@/utility/drive.js';
 
 const $i = ensureSignin();
 
@@ -216,6 +219,7 @@ const params = reactive<ImageFrameParams>(deepClone(props.params) ?? {
 	bgColor: [1, 1, 1],
 	fgColor: [0, 0, 0],
 	font: 'sans-serif',
+	imageUrl: null,
 });
 
 const emit = defineEmits<{
@@ -409,6 +413,28 @@ function getRgb(hex: string | number): [number, number, number] | null {
 	if (m == null) return [0, 0, 0];
 	return m.map(x => parseInt(x, 16) / 255) as [number, number, number];
 }
+
+function chooseFile(ev: MouseEvent) {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+		label: i18n.ts.selectFile,
+		features: {
+			watermark: false,
+		},
+	}).then((file) => {
+		if (!file.type.startsWith('image')) {
+			os.alert({
+				type: 'warning',
+				title: i18n.ts._watermarkEditor.driveFileTypeWarn,
+				text: i18n.ts._watermarkEditor.driveFileTypeWarnDescription,
+			});
+			return;
+		}
+
+		params.imageUrl = file.url;
+	});
+}
 </script>
 
 <style module>
diff --git a/packages/frontend/src/utility/image-frame-renderer/ImageFrameRenderer.ts b/packages/frontend/src/utility/image-frame-renderer/ImageFrameRenderer.ts
index 9e97728785..66c68840b1 100644
--- a/packages/frontend/src/utility/image-frame-renderer/ImageFrameRenderer.ts
+++ b/packages/frontend/src/utility/image-frame-renderer/ImageFrameRenderer.ts
@@ -30,6 +30,7 @@ export type ImageFrameParams = {
 	fgColor: [r: number, g: number, b: number];
 	font: 'serif' | 'sans-serif';
 	borderRadius: number; // TODO
+	imageUrl: string | null;
 };
 
 export type ImageFramePreset = {
@@ -241,6 +242,17 @@ export class ImageFrameRenderer {
 			this.compositor.registerTexture('bottomLabel', bottomLabelImage);
 		}
 
+		if (params.imageUrl != null) {
+			const frameImage = new Image();
+			frameImage.crossOrigin = 'anonymous';
+			await new Promise<void>((resolve, reject) => {
+				frameImage.onload = () => resolve();
+				frameImage.onerror = () => reject(new Error('Failed to load frame image'));
+				frameImage.src = params.imageUrl!;
+			});
+			this.compositor.registerTexture('frameImage', frameImage);
+		}
+
 		this.compositor.changeResolution(renderWidth, renderHeight);
 
 		this.compositor.render([{
@@ -248,6 +260,7 @@ export class ImageFrameRenderer {
 			id: 'a',
 			params: {
 				image: 'image',
+				frameImage: 'frameImage',
 				topLabel: 'topLabel',
 				bottomLabel: 'bottomLabel',
 				topLabelEnabled: params.labelTop.enabled,
diff --git a/packages/frontend/src/utility/image-frame-renderer/frame.glsl b/packages/frontend/src/utility/image-frame-renderer/frame.glsl
index aa9dde5ad8..9f3a99fe6e 100644
--- a/packages/frontend/src/utility/image-frame-renderer/frame.glsl
+++ b/packages/frontend/src/utility/image-frame-renderer/frame.glsl
@@ -10,6 +10,7 @@ in vec2 in_uv;
 uniform sampler2D in_texture;
 uniform vec2 in_resolution;
 uniform sampler2D u_image;
+uniform sampler2D u_frameImage;
 uniform sampler2D u_topLabel;
 uniform sampler2D u_bottomLabel;
 uniform bool u_topLabelEnabled;
@@ -37,6 +38,9 @@ void main() {
 		remap(in_uv.y, u_paddingTop, 1.0 - u_paddingBottom, 0.0, 1.0)
 	));
 
+	vec4 imageFrame_color = texture(u_frameImage, in_uv);
+	image_color = vec4(blendAlpha(image_color.rgb, imageFrame_color), 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)
diff --git a/packages/frontend/src/utility/image-frame-renderer/frame.ts b/packages/frontend/src/utility/image-frame-renderer/frame.ts
index aeca45c1ec..de0560634d 100644
--- a/packages/frontend/src/utility/image-frame-renderer/frame.ts
+++ b/packages/frontend/src/utility/image-frame-renderer/frame.ts
@@ -8,6 +8,7 @@ import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
 
 export const FN_frame = defineImageCompositorFunction<{
 	image: string | null;
+	frameImage: string | null;
 	topLabel: string | null;
 	bottomLabel: string | null;
 	topLabelEnabled: boolean;
@@ -36,21 +37,30 @@ export const FN_frame = defineImageCompositorFunction<{
 		gl.uniform1f(u.paddingRight, params.paddingRight);
 		gl.uniform3f(u.bg, params.bg[0], params.bg[1], params.bg[2]);
 
+		if (params.frameImage != null) {
+			const frameImage = textures.get(params.frameImage);
+			if (frameImage) {
+				gl.activeTexture(gl.TEXTURE2);
+				gl.bindTexture(gl.TEXTURE_2D, frameImage.texture);
+				gl.uniform1i(u.frameImage, 2);
+			}
+		}
+
 		if (params.topLabelEnabled && params.topLabel != null) {
 			const topLabel = textures.get(params.topLabel);
 			if (topLabel) {
-				gl.activeTexture(gl.TEXTURE2);
+				gl.activeTexture(gl.TEXTURE3);
 				gl.bindTexture(gl.TEXTURE_2D, topLabel.texture);
-				gl.uniform1i(u.topLabel, 2);
+				gl.uniform1i(u.topLabel, 3);
 			}
 		}
 
 		if (params.bottomLabelEnabled && params.bottomLabel != null) {
 			const bottomLabel = textures.get(params.bottomLabel);
 			if (bottomLabel) {
-				gl.activeTexture(gl.TEXTURE3);
+				gl.activeTexture(gl.TEXTURE4);
 				gl.bindTexture(gl.TEXTURE_2D, bottomLabel.texture);
-				gl.uniform1i(u.bottomLabel, 3);
+				gl.uniform1i(u.bottomLabel, 4);
 			}
 		}
 	},