5 files changed, 34 insertions, 32 deletions
diff --git a/include/cru/ui/render/border_render_object.hpp b/include/cru/ui/render/border_render_object.hpp
index 407edbb3..ab424e60 100644
--- a/include/cru/ui/render/border_render_object.hpp
+++ b/include/cru/ui/render/border_render_object.hpp
@@ -4,9 +4,9 @@
 #include <memory>
 
 namespace cru::platform::graph {
-struct IBrush;
-struct IGeometry;
-}  // namespace cru::platform
+class Brush;
+class Geometry;
+}  // namespace cru::platform::graph
 
 namespace cru::ui::render {
 struct CornerRadius {
@@ -32,7 +32,7 @@ struct CornerRadius {
 
 class BorderRenderObject : public RenderObject {
  public:
-  explicit BorderRenderObject(std::shared_ptr<platform::graph::IBrush> brush);
+  explicit BorderRenderObject(std::shared_ptr<platform::graph::Brush> brush);
   BorderRenderObject(const BorderRenderObject& other) = delete;
   BorderRenderObject(BorderRenderObject&& other) = delete;
   BorderRenderObject& operator=(const BorderRenderObject& other) = delete;
@@ -42,8 +42,10 @@ class BorderRenderObject : public RenderObject {
   bool IsEnabled() const { return is_enabled_; }
   void SetEnabled(bool enabled) { is_enabled_ = enabled; }
 
-  std::shared_ptr<platform::graph::IBrush> GetBrush() const { return border_brush_; }
-  void SetBrush(std::shared_ptr<platform::graph::IBrush> new_brush) {
+  std::shared_ptr<platform::graph::Brush> GetBrush() const {
+    return border_brush_;
+  }
+  void SetBrush(std::shared_ptr<platform::graph::Brush> new_brush) {
     border_brush_ = std::move(new_brush);
   }
 
@@ -59,7 +61,7 @@ class BorderRenderObject : public RenderObject {
 
   void Refresh() { RecreateGeometry(); }
 
-  void Draw(platform::graph::IPainter* painter) override;
+  void Draw(platform::graph::Painter* painter) override;
 
   RenderObject* HitTest(const Point& point) override;
 
@@ -83,11 +85,11 @@ class BorderRenderObject : public RenderObject {
  private:
   bool is_enabled_ = false;
 
-  std::shared_ptr<platform::graph::IBrush> border_brush_ = nullptr;
+  std::shared_ptr<platform::graph::Brush> border_brush_ = nullptr;
   Thickness border_thickness_{};
   CornerRadius corner_radius_{};
 
-  std::shared_ptr<platform::graph::IGeometry> geometry_ = nullptr;
-  std::shared_ptr<platform::graph::IGeometry> border_outer_geometry_ = nullptr;
+  std::shared_ptr<platform::graph::Geometry> geometry_ = nullptr;
+  std::shared_ptr<platform::graph::Geometry> border_outer_geometry_ = nullptr;
 };
 }  // namespace cru::ui::render
diff --git a/include/cru/ui/render/flex_layout_render_object.hpp b/include/cru/ui/render/flex_layout_render_object.hpp
index 8d881239..1234b920 100644
--- a/include/cru/ui/render/flex_layout_render_object.hpp
+++ b/include/cru/ui/render/flex_layout_render_object.hpp
@@ -64,7 +64,7 @@ class FlexLayoutRenderObject : public RenderObject {
 
   FlexChildLayoutData* GetChildLayoutData(int position);
 
-  void Draw(platform::graph::IPainter* painter) override;
+  void Draw(platform::graph::Painter* painter) override;
 
   RenderObject* HitTest(const Point& point) override;
 
diff --git a/include/cru/ui/render/render_object.hpp b/include/cru/ui/render/render_object.hpp
index b6614317..dca254cc 100644
--- a/include/cru/ui/render/render_object.hpp
+++ b/include/cru/ui/render/render_object.hpp
@@ -1,7 +1,7 @@
 #pragma once
 #include "cru/common/base.hpp"
 
-#include "cru/common/ui_base.hpp"
+#include "../base.hpp"
 
 #include <vector>
 
@@ -11,7 +11,7 @@ class Control;
 }
 
 namespace cru::platform::graph {
-struct IPainter;
+class Painter;
 }
 
 namespace cru::ui::render {
@@ -58,7 +58,7 @@ class RenderObject : public Object {
   void Measure(const Size& available_size);
   void Layout(const Rect& rect);
 
-  virtual void Draw(platform::graph::IPainter* painter) = 0;
+  virtual void Draw(platform::graph::Painter* painter) = 0;
 
   virtual RenderObject* HitTest(const Point& point) = 0;
 
diff --git a/include/cru/ui/render/text_render_object.hpp b/include/cru/ui/render/text_render_object.hpp
index ecad6bb8..054d9b47 100644
--- a/include/cru/ui/render/text_render_object.hpp
+++ b/include/cru/ui/render/text_render_object.hpp
@@ -6,17 +6,17 @@
 
 // forward declarations
 namespace cru::platform::graph {
-struct IBrush;
-struct IFontDescriptor;
-struct ITextLayout;
+class Brush;
+class Font;
+class TextLayout;
 }  // namespace cru::platform::graph
 
 namespace cru::ui::render {
 class TextRenderObject : public RenderObject {
  public:
-  TextRenderObject(std::shared_ptr<platform::graph::IBrush> brush,
-                   std::shared_ptr<platform::graph::IFontDescriptor> font,
-                   std::shared_ptr<platform::graph::IBrush> selection_brush);
+  TextRenderObject(std::shared_ptr<platform::graph::Brush> brush,
+                   std::shared_ptr<platform::graph::Font> font,
+                   std::shared_ptr<platform::graph::Brush> selection_brush);
   TextRenderObject(const TextRenderObject& other) = delete;
   TextRenderObject(TextRenderObject&& other) = delete;
   TextRenderObject& operator=(const TextRenderObject& other) = delete;
@@ -26,13 +26,13 @@ class TextRenderObject : public RenderObject {
   std::wstring GetText() const;
   void SetText(std::wstring new_text);
 
-  std::shared_ptr<platform::graph::IBrush> GetBrush() const { return brush_; }
-  void SetBrush(std::shared_ptr<platform::graph::IBrush> new_brush) {
+  std::shared_ptr<platform::graph::Brush> GetBrush() const { return brush_; }
+  void SetBrush(std::shared_ptr<platform::graph::Brush> new_brush) {
     new_brush.swap(brush_);
   }
 
-  std::shared_ptr<platform::graph::IFontDescriptor> GetFont() const;
-  void SetFont(std::shared_ptr<platform::graph::IFontDescriptor> font);
+  std::shared_ptr<platform::graph::Font> GetFont() const;
+  void SetFont(std::shared_ptr<platform::graph::Font> font);
 
   std::optional<TextRange> GetSelectionRange() const {
     return selection_range_;
@@ -41,14 +41,14 @@ class TextRenderObject : public RenderObject {
     selection_range_ = std::move(new_range);
   }
 
-  std::shared_ptr<platform::graph::IBrush> GetSelectionBrush() const {
+  std::shared_ptr<platform::graph::Brush> GetSelectionBrush() const {
     return selection_brush_;
   }
-  void SetSelectionBrush(std::shared_ptr<platform::graph::IBrush> new_brush) {
+  void SetSelectionBrush(std::shared_ptr<platform::graph::Brush> new_brush) {
     new_brush.swap(selection_brush_);
   }
 
-  void Draw(platform::graph::IPainter* painter) override;
+  void Draw(platform::graph::Painter* painter) override;
 
   RenderObject* HitTest(const Point& point) override;
 
@@ -59,11 +59,11 @@ class TextRenderObject : public RenderObject {
   void OnLayoutContent(const Rect& content_rect) override;
 
  private:
-  std::shared_ptr<platform::graph::IBrush> brush_;
-  std::shared_ptr<platform::graph::IFontDescriptor> font_;
-  std::shared_ptr<platform::graph::ITextLayout> text_layout_;
+  std::shared_ptr<platform::graph::Brush> brush_;
+  std::shared_ptr<platform::graph::Font> font_;
+  std::shared_ptr<platform::graph::TextLayout> text_layout_;
 
   std::optional<TextRange> selection_range_ = std::nullopt;
-  std::shared_ptr<platform::graph::IBrush> selection_brush_;
+  std::shared_ptr<platform::graph::Brush> selection_brush_;
 };
 }  // namespace cru::ui::render
diff --git a/include/cru/ui/render/window_render_object.hpp b/include/cru/ui/render/window_render_object.hpp
index b95acbce..dfeae487 100644
--- a/include/cru/ui/render/window_render_object.hpp
+++ b/include/cru/ui/render/window_render_object.hpp
@@ -17,7 +17,7 @@ class WindowRenderObject : public RenderObject {
 
   void MeasureAndLayout();
 
-  void Draw(platform::graph::IPainter* painter) override;
+  void Draw(platform::graph::Painter* painter) override;
 
   RenderObject* HitTest(const Point& point) override;