feat(vtk): 渲染策略接口+字符串键注册表+3骨架策略(volume/curtain/plane2d)

src/controller/CMakeLists.txt

@@ -3,6 +3,7 @@ add_library(geopro_controller STATIC
   WorkbenchNavController.cpp
   DatasetDetailController.cpp
   DatasetViewState.cpp
+  DatasetRenderStrategy.cpp
   VtkSceneController.cpp)
 target_include_directories(geopro_controller PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(geopro_controller PUBLIC geopro_data Qt6::Core)

src/controller/DatasetRenderStrategy.cpp

@@ -0,0 +1,15 @@
+#include "controller/DatasetRenderStrategy.hpp"
+
+namespace geopro::controller {
+
+// 骨架实现：渲染体由后续阶段填充（Phase B / E / F）。当前为空实现，仅保证链接。
+void VolumeRenderStrategy::add(const std::string& /*typeId*/, const std::string& /*dsId*/) {}
+void VolumeRenderStrategy::remove(const std::string& /*dsId*/) {}
+
+void CurtainRenderStrategy::add(const std::string& /*typeId*/, const std::string& /*dsId*/) {}
+void CurtainRenderStrategy::remove(const std::string& /*dsId*/) {}
+
+void Plane2DRenderStrategy::add(const std::string& /*typeId*/, const std::string& /*dsId*/) {}
+void Plane2DRenderStrategy::remove(const std::string& /*dsId*/) {}
+
+}  // namespace geopro::controller

src/controller/DatasetRenderStrategy.hpp

@@ -0,0 +1,52 @@
+#pragma once
+#include <map>
+#include <memory>
+#include <string>
+
+namespace geopro::controller {
+
+class IDatasetRenderStrategy {
+public:
+    virtual ~IDatasetRenderStrategy() = default;
+    virtual void add(const std::string& typeId, const std::string& dsId) = 0;
+    virtual void remove(const std::string& dsId) = 0;
+    virtual void onTypeActivated(const std::string& /*typeId*/) {}
+    virtual void onTypeDeactivated(const std::string& /*typeId*/) {}
+};
+
+class RenderStrategyRegistry {
+public:
+    void registerStrategy(std::string id, std::unique_ptr<IDatasetRenderStrategy> s) {
+        strategies_[std::move(id)] = std::move(s);
+    }
+    IDatasetRenderStrategy* get(const std::string& id) const {
+        auto it = strategies_.find(id);
+        return it == strategies_.end() ? nullptr : it->second.get();
+    }
+private:
+    std::map<std::string, std::unique_ptr<IDatasetRenderStrategy>> strategies_;
+};
+
+// 3 骨架策略：本任务仅建类与注册。add/remove 的真实渲染实现由后续阶段填充——
+// Phase B（VolumeRenderStrategy/CurtainRenderStrategy 包现有 3D 分支）与
+// Phase E/F（Plane2DRenderStrategy 平面 z + 底图）。届时各自接所需的
+// VtkSceneController& / View / Repo 引用。当前 .cpp 给空实现使链接通过。
+class VolumeRenderStrategy : public IDatasetRenderStrategy {
+public:
+    void add(const std::string& typeId, const std::string& dsId) override;
+    void remove(const std::string& dsId) override;
+};
+
+class CurtainRenderStrategy : public IDatasetRenderStrategy {
+public:
+    void add(const std::string& typeId, const std::string& dsId) override;
+    void remove(const std::string& dsId) override;
+};
+
+class Plane2DRenderStrategy : public IDatasetRenderStrategy {
+public:
+    void add(const std::string& typeId, const std::string& dsId) override;
+    void remove(const std::string& dsId) override;
+};
+
+}  // namespace geopro::controller

tests/CMakeLists.txt

@@ -218,6 +218,8 @@ target_sources(geopro_tests PRIVATE controller/test_dataset_detail_controller.cp
 target_sources(geopro_tests PRIVATE controller/test_workbench_nav_controller.cpp)
 # VtkSceneController 编排：注入 fake repo + fake view，断言 视图模式×图层 组合下 add 的图元类型/数量；取消勾选清空。
 target_sources(geopro_tests PRIVATE controller/test_vtk_scene_controller.cpp)
+# RenderStrategyRegistry：字符串键策略注册表解析（register/get，纯逻辑，FakeStrategy）。
+target_sources(geopro_tests PRIVATE controller/test_render_strategy_registry.cpp)
 target_link_libraries(geopro_tests PRIVATE geopro_controller Qt6::Test)
 
 # io/gpr 层：.iprh 头解析 + .iprb B-scan 读取（纯 C++17，零 Qt/VTK）。

tests/controller/test_render_strategy_registry.cpp

@@ -0,0 +1,22 @@
+#include <gtest/gtest.h>
+#include "controller/DatasetRenderStrategy.hpp"
+
+using namespace geopro::controller;
+
+namespace {
+struct FakeStrategy : IDatasetRenderStrategy {
+    int added = 0;
+    void add(const std::string&, const std::string&) override { ++added; }
+    void remove(const std::string&) override {}
+};
+}
+
+TEST(RenderStrategyRegistry, ResolvesById) {
+    RenderStrategyRegistry reg;
+    reg.registerStrategy("fake", std::make_unique<FakeStrategy>());
+    auto* s = reg.get("fake");
+    ASSERT_NE(s, nullptr);
+    s->add("trajectory", "d1");
+    EXPECT_EQ(static_cast<FakeStrategy*>(s)->added, 1);
+    EXPECT_EQ(reg.get("missing"), nullptr);
+}