功能: 完善功率曲线报告导出与图表样式

backend/src/controllers/WindPowerController.cpp

@@ -259,7 +259,7 @@ bool ValidateChartOptions(const json& options, std::string& error) {
     };
     if (!validate_number("scatter_size", 1.0, 8.0) ||
         !validate_number("scatter_opacity", 0.0, 100.0) ||
-        !validate_number("text_size", 10.0, 24.0) ||
+        !validate_number("text_scale", 0.75, 1.5) ||
         !validate_number("actual_marker_size", 2.0, 12.0) ||
         !validate_number("design_marker_size", 2.0, 12.0)) {
         error = "图表数值参数无效";
@@ -311,6 +311,15 @@ std::optional<json> LoadChartOptions() {
         if (!options.contains("show_filtered")) {
             options["show_filtered"] = false;
         }
+        // Migrate the earlier single pixel-size setting to the shared text multiplier.
+        if (!options.contains("text_scale")) {
+            double scale = 1.0;
+            if (options.contains("text_size") && options["text_size"].is_number()) {
+                scale = options["text_size"].get<double>() / 18.0;
+            }
+            options["text_scale"] = std::clamp(scale, 0.75, 1.5);
+        }
+        options.erase("text_size");
         std::string error;
         if (ValidateChartOptions(options, error)) {
             return std::optional<json>{options};