cad font fix

package-lock.json

@@ -250,6 +250,18 @@
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+    },
+    "node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "color-name": "~1.1.4"
+      },
+      "engines": {
+        "node": ">=7.0.0"
+      }
+    },
+    "node_modules/color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
+    "node_modules/color-string": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.1.tgz",
+      "integrity": "sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "color-name": "^1.0.0",
+        "simple-swizzle": "^0.2.2"
+      }
+    },
     "node_modules/commander": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz",
@@ -4211,6 +4747,17 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/detect-libc": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
+      "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "peer": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/detect-node-es": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/detect-node-es/-/detect-node-es-1.1.0.tgz",
@@ -4848,6 +5395,14 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/is-arrayish": {
+      "version": "0.3.4",
+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.4.tgz",
+      "integrity": "sha512-m6UrgzFVUYawGBh1dUsWR5M2Clqic9RVXC/9f8ceNlv2IcO9j9J/z8UoCLPqtsPBFNzEpfR3xftohbfqDx8EQA==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
@@ -6057,6 +6612,47 @@
       "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
       "license": "ISC"
     },
+    "node_modules/sharp": {
+      "version": "0.33.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.33.5.tgz",
+      "integrity": "sha512-haPVm1EkS9pgvHrQ/F3Xy+hgcuMV0Wm9vfIBSiwZ05k+xgb0PkBQpGsAA/oWdDobNaZTH5ppvHtzCFbnSEwHVw==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "peer": true,
+      "dependencies": {
+        "color": "^4.2.3",
+        "detect-libc": "^2.0.3",
+        "semver": "^7.6.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.33.5",
+        "@img/sharp-darwin-x64": "0.33.5",
+        "@img/sharp-libvips-darwin-arm64": "1.0.4",
+        "@img/sharp-libvips-darwin-x64": "1.0.4",
+        "@img/sharp-libvips-linux-arm": "1.0.5",
+        "@img/sharp-libvips-linux-arm64": "1.0.4",
+        "@img/sharp-libvips-linux-s390x": "1.0.4",
+        "@img/sharp-libvips-linux-x64": "1.0.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.0.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.0.4",
+        "@img/sharp-linux-arm": "0.33.5",
+        "@img/sharp-linux-arm64": "0.33.5",
+        "@img/sharp-linux-s390x": "0.33.5",
+        "@img/sharp-linux-x64": "0.33.5",
+        "@img/sharp-linuxmusl-arm64": "0.33.5",
+        "@img/sharp-linuxmusl-x64": "0.33.5",
+        "@img/sharp-wasm32": "0.33.5",
+        "@img/sharp-win32-ia32": "0.33.5",
+        "@img/sharp-win32-x64": "0.33.5"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -6150,6 +6746,17 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/simple-swizzle": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.4.tgz",
+      "integrity": "sha512-nAu1WFPQSMNr2Zn9PGSZK9AGn4t/y97lEm+MXTtUDwfP0ksAIX4nO+6ruD9Jwut4C49SB1Ws+fbXsm/yScWOHw==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
     "node_modules/sliced": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
@@ -7275,6 +7882,8 @@
         "web-ifc": "^0.0.77"
       },
       "devDependencies": {
+        "@fontsource-variable/noto-sans-kr": "^5.3.0",
+        "@noto-pdf-ts/fonts-kr": "^0.0.1-alpha.0",
         "@types/react": "^19.2.17",
         "@types/react-dom": "^19.2.3",
         "@types/three": "^0.172.0",

packages/frontend/package.json

@@ -38,6 +38,8 @@
     "web-ifc": "^0.0.77"
   },
   "devDependencies": {
+    "@fontsource-variable/noto-sans-kr": "^5.3.0",
+    "@noto-pdf-ts/fonts-kr": "^0.0.1-alpha.0",
     "@types/react": "^19.2.17",
     "@types/react-dom": "^19.2.3",
     "@types/three": "^0.172.0",

packages/frontend/scripts/copy-viewer-assets.mjs

@@ -28,6 +28,14 @@ const assets = [
     'viewer-assets/wasm/occt-import-js.wasm',
   ],
   ['web-ifc/web-ifc.wasm', 'viewer-assets/wasm/web-ifc.wasm'],
+  [
+    '@noto-pdf-ts/fonts-kr/dist/fonts/NotoSansKR-VF.ttf',
+    'viewer-assets/cad-resources/fonts/NotoSansKR-VF.ttf',
+  ],
+  [
+    '@fontsource-variable/noto-sans-kr/LICENSE',
+    'viewer-assets/cad-resources/fonts/OFL-1.1.txt',
+  ],
 ];
 
 await Promise.all(
@@ -41,12 +49,45 @@ await Promise.all(
 const resources = path.join(publicDir, 'viewer-assets', 'cad-resources');
 await mkdir(path.join(resources, 'fonts'), { recursive: true });
 await mkdir(path.join(resources, 'templates'), { recursive: true });
-await writeFile(path.join(resources, 'fonts.json'), '[]\n');
+const fontManifest = `${JSON.stringify(
+    [
+      {
+        name: [
+          'Noto Sans KR',
+          'arial',
+          'batang',
+          'dotum',
+          'ghs',
+          'gulim',
+          'hztxt',
+          'isocpeur',
+          'malgun',
+          'malgun gothic',
+          'pmingliu',
+          'romans',
+          'sanss___',
+          'simplex',
+          'swisscbo',
+          'whgtxt',
+          'whs',
+        ],
+        file: 'NotoSansKR-VF.ttf',
+        type: 'mesh',
+        description: 'Open-source Korean CAD fallback (SIL OFL 1.1)',
+      },
+    ],
+    null,
+    2,
+  )}\n`;
+await Promise.all([
+  writeFile(path.join(resources, 'fonts.json'), fontManifest),
+  writeFile(path.join(resources, 'fonts', 'fonts.json'), fontManifest),
+]);
 await writeFile(
   path.join(resources, 'README.txt'),
   [
-    'Optional CAD fonts and templates can be placed here.',
+    'Noto Sans KR is bundled as the open-source Korean CAD fallback.',
-    'Only files with redistribution rights should be added.',
+    'Additional CAD fonts may be placed here when redistribution is permitted.',
     'The read-only viewer does not require a drawing template.',
     '',
   ].join('\n'),

packages/frontend/src/views/CadViewerView.vue

@@ -29,9 +29,11 @@ const WORKERS = {
 const router = useRouter();
 const fileInput = ref<HTMLInputElement | null>(null);
 const localFile = ref<File>();
+const pendingFile = ref<File>();
 const filename = ref('CAD 도면');
 const ready = ref(false);
 const viewerCreated = ref(false);
+const fontReady = ref(false);
 const error = ref('');
 const notice = ref('');
 const theme = useSystemTheme();
@@ -51,7 +53,8 @@ settings.set('isShowToolbar', true);
 function applyFiles(files: File[]) {
   const file = files.find((item) => /\.(?:dxf|dwg)$/i.test(item.name));
   if (!file) return;
-  localFile.value = file;
+  pendingFile.value = file;
+  if (fontReady.value) localFile.value = file;
   filename.value = file.name;
   error.value = '';
   notice.value =
@@ -103,6 +106,19 @@ function onFileSelected(event: Event) {
   void nextTick();
 }
 
+async function onViewerCreated() {
+  viewerCreated.value = true;
+  try {
+    await AcApDocManager.instance.loadFonts(['Noto Sans KR']);
+  } catch {
+    notice.value =
+      '대체 글꼴을 불러오지 못했습니다. 일부 CAD 문자가 표시되지 않을 수 있습니다.';
+  } finally {
+    fontReady.value = true;
+    if (pendingFile.value) localFile.value = pendingFile.value;
+  }
+}
+
 function onClose() {
   void router.push({ name: 'home' });
 }
@@ -140,7 +156,7 @@ function onClose() {
           :progressive-rendering="true"
           :fail-on-font-load-error="false"
           locale="en"
-          @create="viewerCreated = true"
+          @create="onViewerCreated"
         />
         <div v-if="ready && !localFile && viewerCreated" class="empty-state">
           <strong>CAD 도면을 선택해 주세요.</strong>

packages/frontend/src/views/LicensesView.vue

@@ -31,6 +31,11 @@ const thirdParty = [
     license: 'MPL-2.0',
     url: 'https://github.com/ThatOpen/engine_web-ifc',
   },
+  {
+    name: 'Noto Sans KR',
+    license: 'SIL OFL 1.1',
+    url: 'https://github.com/notofonts/noto-cjk',
+  },
   { name: 'Express', license: 'MIT', url: 'https://github.com/expressjs/express' },
   { name: 'jsonwebtoken', license: 'MIT', url: 'https://github.com/auth0/node-jsonwebtoken' },
   { name: 'multer', license: 'MIT', url: 'https://github.com/expressjs/multer' },
@@ -98,9 +103,9 @@ const thirdParty = [
           GPL-3.0-only로 배포됩니다.
         </p>
         <p class="muted">
-          CAD 폰트는 재배포 권리가 명확한 파일만 자체 호스팅해야 합니다. 본 배포본은
+          상용 AutoCAD 폰트는 포함하지 않습니다. 누락된 한글·라틴 글꼴은 SIL Open
-          상용 AutoCAD 폰트를 포함하지 않으며, 누락된 글꼴은 대체 글꼴로 표시될 수
+          Font License 1.1의 Noto Sans KR로 대체하며, 원본 글꼴과 글자 폭·형태가
-          있습니다.
+          다를 수 있습니다.
         </p>
       </section>