修改calman灰阶点击异常、修改色准结果显示异常

app/pq/color_patch_map.py

@@ -0,0 +1,101 @@
+import re
+import numpy as np
+
+# ============================================================
+# 标准 ColorChecker / TV Patch 颜色
+# ============================================================
+COLOR_PATCH_MAP = {
+"White": "#FFFFFF",
+"Gray 80": "#E6E6E6",
+"Gray 65": "#D1D1D1",
+"Gray 50": "#BABABA",
+"Gray 35": "#9E9E9E",
+"Black": "#000000",
+
+"Dark Skin": "#735242",
+"Light Skin": "#C29682",
+"Blue Sky": "#5E7A9C",
+"Foliage": "#596B42",
+"Blue Flower": "#8280B0",
+"Bluish Green": "#63BDA8",
+"Orange": "#D97829",
+"Purplish Blue": "#4A5CA3",
+"Moderate Red": "#C25461",
+"Purple": "#5C3D6B",
+"Yellow Green": "#9EBA40",
+"Orange Yellow": "#E6A12E",
+
+"Blue (Legacy)": "#333D96",
+"Green (Legacy)": "#479447",
+"Red (Legacy)": "#B0303B",
+"Yellow (Legacy)": "#EDC721",
+"Magenta (Legacy)": "#BA5491",
+"Cyan (Legacy)": "#0085A3",
+
+"100% Red": "#FF0000",
+"100% Green": "#00FF00",
+"100% Blue": "#0000FF",
+"100% Cyan": "#00FFFF",
+"100% Magenta": "#FF00FF",
+"100% Yellow": "#FFFF00",
+
+}
+
+# ============================================================
+# 名称标准化
+# ============================================================
+def normalize_patch_name(name: str) -> str:
+    if not isinstance(name, str):
+        return ""
+    name = name.strip().lower()
+    # collapse spaces
+    name = " ".join(name.split())
+    return name
+
+
+# ============================================================
+# 获取 patch 颜色
+# ============================================================
+def get_patch_color(name: str):
+    norm = normalize_patch_name(name)
+    for key, color in COLOR_PATCH_MAP.items():
+
+        if normalize_patch_name(key) == norm:
+            return color
+
+    return None
+
+# ============================================================
+# xy → sRGB fallback
+# ============================================================
+def xy_to_srgb(x, y, Y=1.0):
+    if y == 0:
+        return "#AAAAAA"
+
+    X = (x * Y) / y
+    Z = (1 - x - y) * Y / y
+
+    rgb = np.dot(
+        [[3.2406, -1.5372, -0.4986],
+         [-0.9689, 1.8758, 0.0415],
+         [0.0557, -0.2040, 1.0570]],
+        [X, Y, Z]
+    )
+
+    rgb = np.clip(rgb, 0, 1)
+    rgb = (rgb ** (1 / 2.2)) * 255
+
+    r, g, b = rgb.astype(int)
+    return "#{:02X}{:02X}{:02X}".format(r, g, b)
+
+def get_patch_color_from_xy(name, xy=None):
+    color = get_patch_color(name)
+
+    if color:
+        return color
+
+    if xy is not None:
+        x, y = xy
+        return xy_to_srgb(x, y)
+
+    return "#AAAAAA"