Refactor editor rendering contracts

editor/app/Core/Assets/EditorIconService.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "HostFwd.h"
+
+#include <XCEngine/UI/Types.h>
+
+#include <cstdint>
+#include <filesystem>
+#include <string>
+
+namespace XCEngine::UI::Editor::Rendering::Host {
+
+class UiTextureHost;
+
+} // namespace XCEngine::UI::Editor::Rendering::Host
+
+namespace XCEngine::UI::Editor::App {
+
+enum class BuiltInIconKind : std::uint8_t {
+    Folder = 0,
+    GameObject,
+    Scene,
+    CameraGizmo,
+    DirectionalLightGizmo,
+    PointLightGizmo,
+    SpotLightGizmo,
+    PlayButton,
+    PauseButton,
+    StepButton,
+    ViewMoveTool,
+    ViewMoveToolActive,
+    MoveTool,
+    MoveToolActive,
+    RotateTool,
+    RotateToolActive,
+    ScaleTool,
+    ScaleToolActive,
+    TransformTool,
+    TransformToolActive
+};
+
+class EditorIconService {
+public:
+    virtual ~EditorIconService() = default;
+
+    virtual void Initialize(
+        Rendering::Host::UiTextureHost& renderer,
+        Host::EditorHostResourceService& resourceService) = 0;
+    virtual void Shutdown() = 0;
+    virtual void BeginFrame() = 0;
+
+    [[nodiscard]] virtual const ::XCEngine::UI::UITextureHandle& Resolve(
+        BuiltInIconKind kind) const = 0;
+    [[nodiscard]] virtual const ::XCEngine::UI::UITextureHandle* ResolveAssetPreview(
+        const std::filesystem::path& assetPath,
+        const std::filesystem::path& projectRoot) = 0;
+    [[nodiscard]] virtual const std::string& GetLastError() const = 0;
+};
+
+} // namespace XCEngine::UI::Editor::App