--- nono/vm/renderer.h	2026/04/29 17:04:32	1.1.1.2
+++ nono/vm/renderer.h	2026/04/29 17:04:36	1.1.1.3
@@ -1,6 +1,9 @@
 //
 // nono
-// Copyright (C) 2018 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
+//
+
 //
 // レンダラ
 //
@@ -13,7 +16,7 @@
 
 class Renderer : public Device
 {
-	typedef Device inherited;
+	using inherited = Device;
  public:
 	// wxWidgets のビットマップは R8_G8_B8 の3バイト。
 	static const int BPP = 3;
@@ -24,10 +27,10 @@ class Renderer : public Device
 
  public:
 	Renderer();
-	virtual ~Renderer();
+	~Renderer() override;
 
-	virtual bool Init();
-	virtual bool PowerOff();
+	bool Init() override;
+	bool PowerOff() override;
 
 	// バッファとコールバック関数を指定
 	// XXX 名前...
@@ -85,12 +88,12 @@ class Renderer : public Device
 //
 class X68030Renderer : public Renderer
 {
-	typedef Renderer inherited;
+	using inherited = Renderer;
  public:
 	X68030Renderer();
-	virtual ~X68030Renderer();
+	~X68030Renderer() override;
 
-	virtual bool RenderMain();
+	bool RenderMain() override;
 };
 
 //
@@ -98,12 +101,12 @@ class X68030Renderer : public Renderer
 //
 class LunaRenderer : public Renderer
 {
-	typedef Renderer inherited;
+	using inherited = Renderer;
  public:
 	LunaRenderer();
-	virtual ~LunaRenderer();
+	~LunaRenderer() override;
 
-	virtual bool RenderMain();
+	bool RenderMain() override;
 };
 
 extern std::unique_ptr<Renderer> gRenderer;