1 files changed, 71 insertions, 0 deletions
diff --git a/src/ui/render/border_render_object.hpp b/src/ui/render/border_render_object.hpp
new file mode 100644
index 00000000..d7a595af
--- /dev/null
+++ b/src/ui/render/border_render_object.hpp
@@ -0,0 +1,71 @@
+#pragma once
+#include "pre.hpp"
+
+#include <wrl/client.h>  // for ComPtr
+
+#include "render_object.hpp"
+
+// forward declarations
+struct ID2D1Brush;
+struct ID2D1Geometry;
+
+struct CornerRadius {
+  float left_top;
+  float right_top;
+  float left_bottom;
+  float right_bottom;
+};
+
+namespace cru::ui::render {
+class BorderRenderObject : public RenderObject {
+ public:
+  explicit BorderRenderObject(Microsoft::WRL::ComPtr<ID2D1Brush> brush);
+  BorderRenderObject(const BorderRenderObject& other) = delete;
+  BorderRenderObject(BorderRenderObject&& other) = delete;
+  BorderRenderObject& operator=(const BorderRenderObject& other) = delete;
+  BorderRenderObject& operator=(BorderRenderObject&& other) = delete;
+  ~BorderRenderObject() override = default;
+
+  bool IsEnabled() const { return is_enabled_; }
+  void SetEnabled(bool enabled) { is_enabled_ = enabled; }
+
+  Microsoft::WRL::ComPtr<ID2D1Brush> GetBrush() const { return border_brush_; }
+  void SetBrush(const Microsoft::WRL::ComPtr<ID2D1Brush> new_brush) {
+    border_brush_ = std::move(new_brush);
+  }
+
+  Thickness GetBorderWidth() const { return border_width_; }
+  void SetBorderWidth(const Thickness& thickness) { border_width_ = thickness; }
+
+  CornerRadius GetCornerRadius() const { return corner_radius_; }
+  void SetCornerRadius(const CornerRadius& new_corner_radius) {
+    corner_radius_ = new_corner_radius;
+  }
+
+  void RecreateGeometry();  // TODO
+
+  void Draw(ID2D1RenderTarget* render_target) override;  // TODO
+
+  RenderObject* HitTest(const Point& point) override;  // TODO
+
+ protected:
+  void OnMeasureCore(const Size& available_size) override;
+  void OnLayoutCore(const Rect& rect) override;
+  Size OnMeasureContent(const Size& available_size) override;
+  void OnLayoutContent(const Rect& content_rect) override;
+
+ private:
+  RenderObject* GetChild() const {
+    return GetChildren().empty() ? nullptr : GetChildren()[0];
+  }
+
+ private:
+  bool is_enabled_;
+
+  Microsoft::WRL::ComPtr<ID2D1Brush> border_brush_;
+  Thickness border_width_;
+  CornerRadius corner_radius_;
+
+  Microsoft::WRL::ComPtr<ID2D1Geometry> geometry_;
+};
+}  // namespace cru::ui::render