根据新版本调整set_pattern：0~65535

app/plots/plot_gamma.py

@@ -4,6 +4,7 @@ Step 2 重构：从 pqAutomationApp.PQAutomationApp.plot_gamma 原样搬迁。
 """
 
 import numpy as np
+from app.solid_color_scale import solid_color_to_pct
 from app.views.modern_styles import get_theme_palette
 
 from typing import TYPE_CHECKING
@@ -25,7 +26,14 @@ def _is_dark_palette(palette: dict[str, str]) -> bool:
 
 
 
-def plot_gamma(self: "PQAutomationApp", L_bar, results_with_gamma_list, target_gamma, test_type):
+def plot_gamma(
+    self: "PQAutomationApp",
+    L_bar,
+    results_with_gamma_list,
+    target_gamma,
+    test_type,
+    pattern_params=None,
+):
     """绘制Gamma曲线 + 数据表格（包含实测亮度）"""
     palette = get_theme_palette()
     dark_mode = _is_dark_palette(palette)
@@ -51,13 +59,19 @@ def plot_gamma(self: "PQAutomationApp", L_bar, results_with_gamma_list, target_g
     for spine in self.gamma_ax.spines.values():
         spine.set_color(palette["border"])
 
-    # 生成横坐标（灰阶百分比）
-    x_values = np.linspace(0, 100, len(L_bar))
+    # 横坐标：优先用 pattern 码值换算的灰阶百分比，否则等分
+    if pattern_params and len(pattern_params) == len(L_bar):
+        x_values = np.array([
+            solid_color_to_pct(row[0]) for row in pattern_params
+        ])
+    else:
+        x_values = np.linspace(0, 100, len(L_bar))
 
     # 反转 L_bar（确保从左到右是 0% → 100%）
     if len(L_bar) > 1 and L_bar[0] > L_bar[-1]:
         L_bar = L_bar[::-1]
         results_with_gamma_list = results_with_gamma_list[::-1]
+        x_values = x_values[::-1]
 
     # 计算平均Gamma
     gamma_values = []