Minorli · Minorli · Jul 12, 2026 · Jul 12, 2026
@@ -1,6 +1,6 @@
 # PicGen Console
 
-一个面向 OpenAI 兼容图像生成 / 编辑接口的本地工作台，当前版本 **0.1.63**。它把
+一个面向 OpenAI 兼容图像生成 / 编辑接口的本地工作台，当前版本 **0.1.64**。它把
 `/v1/images/generations`、`/v1/images/edits` 与 `/v1/responses`（含 `image_generation` 工具）
 包装成统一可观测的代理，前端是一套零依赖的 Web 控制台。
 
@@ -14,7 +14,9 @@
 
 ![PicGen Console 主程序界面](demo1.png)
 
-## 0.1.63 主要特性
+## 0.1.64 主要特性
+
+- **避免重采样后的 LOGO 重复叠加**：已有官方 LOGO 即使被上游缩放并产生少量像素位移，也会在严格颜色阈值下识别并保留，不再另贴第二枚 LOGO。
 
 - **行程图按需嵌入标题字体**：仅打包本次标题和日期实际使用的字形，保留原字体效果，同时显著降低 SVG 体积和客户浏览器解码压力。
 
@@ -125,10 +127,10 @@ PICGEN_LOG_FORMAT=json \
 ### Docker
 
 ```bash
-docker build -t minorli/picgen:0.1.63 .
+docker build -t minorli/picgen:0.1.64 .
 docker run --rm -p 8000:8000 \
   -v picgen-data:/app/data \
-  minorli/picgen:0.1.63
+  minorli/picgen:0.1.64
 ```
 
 或：
@@ -143,10 +145,10 @@ docker compose up -d
 ./scripts/docker-build-push.sh
 ```
 
-默认会构建并推送 `minorli/picgen:0.1.63`。也可以覆盖：
+默认会构建并推送 `minorli/picgen:0.1.64`。也可以覆盖：
 
 ```bash
-IMAGE=minorli/picgen VERSION=0.1.63 PLATFORM=linux/amd64 ./scripts/docker-build-push.sh
+IMAGE=minorli/picgen VERSION=0.1.64 PLATFORM=linux/amd64 ./scripts/docker-build-push.sh
 ```
 
 镜像不会包含 `.env`、本地用户库或历史图片。容器内置 `HEALTHCHECK` 探测 `/api/health`，以非 root
@@ -259,7 +261,7 @@ Bug 反馈和找回密码申请会先写入本地认证库，再优先发送到
 
 ## 图像通道
 
-PicGen 0.1.63 把四类图像操作统一提交给 `/api/image-jobs`，实际通道由服务端决定：
+PicGen 0.1.64 把四类图像操作统一提交给 `/api/image-jobs`，实际通道由服务端决定：
 
 | 用户操作 | 默认接口 | 默认模型 |
 | --- | --- | --- |

@@ -1,6 +1,6 @@
 services:
   picgen:
-    image: minorli/picgen:0.1.63
+    image: minorli/picgen:0.1.64
     build:
       context: .
     ports:

@@ -1,6 +1,6 @@
 [project]
 name = "picgen"
-version = "0.1.63"
+version = "0.1.64"
 description = "Enterprise-grade local web console for OpenAI-compatible image generation and editing APIs."
 readme = "README.md"
 requires-python = ">=3.12"

@@ -2,7 +2,7 @@
 set -euo pipefail
 
 IMAGE="${IMAGE:-minorli/picgen}"
-VERSION="${VERSION:-0.1.63}"
+VERSION="${VERSION:-0.1.64}"
 PLATFORM="${PLATFORM:-linux/amd64}"
 
 docker buildx build \

@@ -2,14 +2,14 @@ import {
   calculateLogoPlacementScore,
   calculateOfficialLogoPixelMatch,
   chooseLogoPlacement,
-} from "./logo-placement.mjs?v=0.1.63"
+} from "./logo-placement.mjs?v=0.1.64"
 import {
   DEFAULT_RESPONSES_MODEL,
   RESPONSES_MODEL_STORAGE_VERSION,
   RESPONSES_REASONING_STORAGE_VERSION,
   migrateStoredResponsesReasoningSettings,
   migrateStoredResponsesSettings,
-} from "./responses-settings.mjs?v=0.1.63"
+} from "./responses-settings.mjs?v=0.1.64"
 
 const RESPONSES_REASONING_EFFORTS = new Set(["low", "medium", "high", "xhigh", "max", "ultra"])
 const DEFAULT_RESPONSES_REASONING_EFFORT = "xhigh"

@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>PicGen Console</title>
     <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Crect width='64' height='64' rx='16' fill='%23108566'/%3E%3Cpath d='M32 13l16 9v20l-16 9-16-9V22l16-9z' fill='%23ecfdf5'/%3E%3Ccircle cx='32' cy='32' r='8' fill='%23108566'/%3E%3C/svg%3E">
-    <link rel="stylesheet" href="styles.css?v=0.1.63">
+    <link rel="stylesheet" href="styles.css?v=0.1.64">
   </head>
   <body class="auth-gate">
     <div id="authOverlay" class="auth-page" aria-hidden="false">
@@ -1061,7 +1061,7 @@ <h2>管理员高级设置</h2>
       </div>
 
       <footer class="system-footer">
-        <span>PicGen Console　v0.1.63</span>
+        <span>PicGen Console　v0.1.64</span>
         <span>本地代理保存结果到 <strong>data/outputs</strong></span>
       </footer>
     </div>
@@ -1371,6 +1371,6 @@ <h2 id="previewModalTitle">图片预览</h2>
       <span id="toastMessageText"></span>
     </div>
 
-    <script src="app.js?v=0.1.63" type="module"></script>
+    <script src="app.js?v=0.1.64" type="module"></script>
   </body>
 </html>
@@ -2,6 +2,8 @@ const MIN_ABSOLUTE_SCORE_IMPROVEMENT = 2
 const MIN_RELATIVE_SCORE_IMPROVEMENT = 0.25
 const OFFICIAL_LOGO_MATCH_MIN_ALPHA = 245
 const OFFICIAL_LOGO_MATCH_MAX_CHANNEL_DELTA = 24
+// Upstream down/upscaling can shift intact logo edges by a few pixels.
+const OFFICIAL_LOGO_MATCH_RADIUS = 3
 
 const SAFETY_PADDING = Object.freeze({
   left: 0.12,
@@ -31,12 +33,47 @@ function pixelLuminance(data, index) {
   return 0.2126 * data[index] + 0.7152 * data[index + 1] + 0.0722 * data[index + 2]
 }
 
+function imageDataDimensions(imageData, pixelCount) {
+  const width = Math.floor(Number(imageData?.width) || 0)
+  const height = Math.floor(Number(imageData?.height) || 0)
+  return width > 0 && height > 0 && width * height === pixelCount
+    ? { width, height }
+    : { width: pixelCount, height: 1 }
+}
+
+function hasNearbyLogoPixelMatch(base, logo, logoIndex, x, y, width, height) {
+  for (let offsetY = -OFFICIAL_LOGO_MATCH_RADIUS; offsetY <= OFFICIAL_LOGO_MATCH_RADIUS; offsetY += 1) {
+    const candidateY = y + offsetY
+    if (candidateY < 0 || candidateY >= height) {
+      continue
+    }
+    for (let offsetX = -OFFICIAL_LOGO_MATCH_RADIUS; offsetX <= OFFICIAL_LOGO_MATCH_RADIUS; offsetX += 1) {
+      const candidateX = x + offsetX
+      if (candidateX < 0 || candidateX >= width) {
+        continue
+      }
+      const baseIndex = (candidateY * width + candidateX) * 4
+      const largestChannelDelta = Math.max(
+        Math.abs(base[baseIndex] - logo[logoIndex]),
+        Math.abs(base[baseIndex + 1] - logo[logoIndex + 1]),
+        Math.abs(base[baseIndex + 2] - logo[logoIndex + 2]),
+      )
+      if (largestChannelDelta <= OFFICIAL_LOGO_MATCH_MAX_CHANNEL_DELTA) {
+        return true
+      }
+    }
+  }
+  return false
+}
+
 export function calculateOfficialLogoPixelMatch(baseImageData, logoImageData) {
   const base = baseImageData?.data
   const logo = logoImageData?.data
   if (!base || !logo || base.length !== logo.length || base.length % 4 !== 0) {
     return { score: 0, matchedPixels: 0, comparedPixels: 0 }
   }
+  const pixelCount = logo.length / 4
+  const { width, height } = imageDataDimensions(logoImageData, pixelCount)
 
   let matchedPixels = 0
   let comparedPixels = 0
@@ -45,12 +82,10 @@ export function calculateOfficialLogoPixelMatch(baseImageData, logoImageData) {
       continue
     }
     comparedPixels += 1
-    const largestChannelDelta = Math.max(
-      Math.abs(base[index] - logo[index]),
-      Math.abs(base[index + 1] - logo[index + 1]),
-      Math.abs(base[index + 2] - logo[index + 2]),
-    )
-    if (largestChannelDelta <= OFFICIAL_LOGO_MATCH_MAX_CHANNEL_DELTA) {
+    const pixel = index / 4
+    const x = pixel % width
+    const y = Math.floor(pixel / width)
+    if (hasNearbyLogoPixelMatch(base, logo, index, x, y, width, height)) {
       matchedPixels += 1
     }
   }

@@ -64,6 +64,54 @@ def test_official_logo_pixel_match_accepts_lossless_and_small_color_drift() -> N
     assert result["drift"] == {"score": 1, "matchedPixels": 2, "comparedPixels": 2}
 
 
+def test_official_logo_pixel_match_accepts_small_resampling_shift() -> None:
+    result = _run_logo_policy(
+        "(() => {"
+        "const width = 7; const height = 3;"
+        "const logo = new Uint8ClampedArray(width * height * 4);"
+        "const base = new Uint8ClampedArray(width * height * 4);"
+        "for (let pixel = 0; pixel < width * height; pixel += 1) {"
+        "base[pixel * 4] = 230; base[pixel * 4 + 1] = 230; base[pixel * 4 + 2] = 230; base[pixel * 4 + 3] = 255;"
+        "}"
+        "for (let y = 0; y < height; y += 1) {"
+        "for (let x = 2; x <= 4; x += 1) {"
+        "const logoIndex = (y * width + x) * 4; const baseIndex = (y * width + x + 1) * 4;"
+        "const red = 20 + x * 31 + y * 7; const green = 45 + x * 13 + y * 29; const blue = 70 + x * 17 + y * 11;"
+        "logo[logoIndex] = red; logo[logoIndex + 1] = green; logo[logoIndex + 2] = blue; logo[logoIndex + 3] = 255;"
+        "base[baseIndex] = red; base[baseIndex + 1] = green; base[baseIndex + 2] = blue;"
+        "}"
+        "}"
+        "return calculateOfficialLogoPixelMatch({ data: base, width, height }, { data: logo, width, height });"
+        "})()"
+    )
+
+    assert result == {"score": 1, "matchedPixels": 9, "comparedPixels": 9}
+
+
+def test_official_logo_pixel_match_rejects_matching_colors_outside_local_radius() -> None:
+    result = _run_logo_policy(
+        "(() => {"
+        "const width = 15; const height = 3;"
+        "const logo = new Uint8ClampedArray(width * height * 4);"
+        "const base = new Uint8ClampedArray(width * height * 4);"
+        "for (let pixel = 0; pixel < width * height; pixel += 1) {"
+        "base[pixel * 4] = 230; base[pixel * 4 + 1] = 230; base[pixel * 4 + 2] = 230; base[pixel * 4 + 3] = 255;"
+        "}"
+        "for (let y = 0; y < height; y += 1) {"
+        "for (let x = 2; x <= 4; x += 1) {"
+        "const logoIndex = (y * width + x) * 4; const baseIndex = (y * width + x + 8) * 4;"
+        "const red = 20 + x * 31 + y * 7; const green = 45 + x * 13 + y * 29; const blue = 70 + x * 17 + y * 11;"
+        "logo[logoIndex] = red; logo[logoIndex + 1] = green; logo[logoIndex + 2] = blue; logo[logoIndex + 3] = 255;"
+        "base[baseIndex] = red; base[baseIndex + 1] = green; base[baseIndex + 2] = blue;"
+        "}"
+        "}"
+        "return calculateOfficialLogoPixelMatch({ data: base, width, height }, { data: logo, width, height });"
+        "})()"
+    )
+
+    assert result == {"score": 0, "matchedPixels": 0, "comparedPixels": 9}
+
+
 def test_official_logo_pixel_match_rejects_unrelated_or_invalid_regions() -> None:
     result = _run_logo_policy(
         "(() => {"

@@ -13,7 +13,7 @@ def test_legacy_responses_model_storage_is_migrated_once() -> None:
     settings_js = (ROOT_DIR / "static" / "responses-settings.mjs").read_text(encoding="utf-8")
 
     assert 'const DEPRECATED_RESPONSES_MODELS = new Set(["gpt-5.4"])' in app_js
-    assert 'from "./responses-settings.mjs?v=0.1.63"' in app_js
+    assert 'from "./responses-settings.mjs?v=0.1.64"' in app_js
     assert 'const LEGACY_DEFAULT_RESPONSES_MODEL = "gpt-5.5"' in settings_js
     assert "const RESPONSES_MODEL_STORAGE_VERSION = 4" in settings_js
     assert "function migrateStoredResponsesSettings" in settings_js
@@ -38,7 +38,7 @@ def test_logo_overlay_uses_uploaded_asset_without_ai_guidance() -> None:
     assert 'const COMPANY_LOGO_URL = "6renyou.png"' in app_js
     assert "composeLogoOverlayForCandidates" in app_js
     assert "createOfficialLogoCanvas" in app_js
-    assert 'from "./logo-placement.mjs?v=0.1.63"' in app_js
+    assert 'from "./logo-placement.mjs?v=0.1.64"' in app_js
     assert "chooseLogoPlacement" in app_js
     assert "calculateLogoPlacementScore" in app_js
     assert "calculateOfficialLogoPixelMatch" in app_js