修改SDR色准深色异常、修改保存结果深色模式异常

app/export/image_exporter.py

@@ -2,15 +2,14 @@
 import os
 
 
-_EXPORT_BG_COLOR = "#FFFFFF"
-
-
-def _save_with_light_background(fig, path, *, dpi=300, bbox_inches=None):
-    """导出统一浅色背景，避免深色主题下图片背景变暗。"""
+def _save_with_theme_background(fig, path, *, dpi=300, bbox_inches=None):
+    """按图表当前主题背景导出，避免深色模式下被强制写成白底。"""
+    bg = fig.get_facecolor()
     kwargs = {
         "dpi": dpi,
-        "facecolor": _EXPORT_BG_COLOR,
-        "edgecolor": _EXPORT_BG_COLOR,
+        "facecolor": bg,
+        "edgecolor": bg,
+        "transparent": False,
     }
     if bbox_inches is not None:
         kwargs["bbox_inches"] = bbox_inches
@@ -85,7 +84,7 @@ def save_result_images(result_dir, current_test_type, selected_items,
                             continue
                         per_ref_name = f"色域测试结果_{ref}.png"
                         path = os.path.join(result_dir, per_ref_name)
-                        _save_with_light_background(fig, path, dpi=300)
+                        _save_with_theme_background(fig, path, dpi=300)
                         log(f"已保存: {per_ref_name}")
                 finally:
                     ref_var.set(original_ref)
@@ -97,7 +96,7 @@ def save_result_images(result_dir, current_test_type, selected_items,
             continue
         path = os.path.join(result_dir, filename)
         if default_bbox:
-            _save_with_light_background(fig, path, dpi=300)
+            _save_with_theme_background(fig, path, dpi=300)
         else:
-            _save_with_light_background(fig, path, dpi=300, bbox_inches="tight")
+            _save_with_theme_background(fig, path, dpi=300, bbox_inches="tight")
         log(f"已保存: {filename}")