add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/Renderers/GDIPlus.h

@@ -0,0 +1,95 @@
+/*
+	GWEN
+	Copyright (c) 2011 Facepunch Studios
+	See license in Gwen.h
+*/
+
+#ifndef GWEN_RENDERERS_GDIPLUS_H
+#define GWEN_RENDERERS_GDIPLUS_H
+
+#include "Gwen/Gwen.h"
+#include "Gwen/BaseRender.h"
+
+
+/*
+
+ GDI(plus) is pretty slow for rendering GWEN, because we're
+ re-rendering everything on redraw.
+
+ Therefore its usage should be as a test - rather than production.
+
+ // Note: For this to work you should be including
+
+ #include <gdiplus.h>
+
+ // Which we don't do in the header, for the sake of usability
+
+*/
+
+namespace Gwen 
+{
+	namespace Renderer 
+	{
+
+		class GDIPlus : public Gwen::Renderer::Base
+		{
+			public:
+
+				GDIPlus( HWND pHWND );
+				~GDIPlus();
+
+				virtual void Begin();
+				virtual void End();
+
+				virtual void SetDrawColor(Gwen::Color color);
+
+				virtual void DrawLine( int x, int y, int a, int b );
+				virtual void DrawFilledRect( Gwen::Rect rect );
+
+				virtual void LoadFont( Gwen::Font* pFont );
+				virtual void FreeFont( Gwen::Font* pFont );
+				virtual void RenderText( Gwen::Font* pFont, Gwen::Point pos, const Gwen::UnicodeString& text );
+				virtual Gwen::Point MeasureText( Gwen::Font* pFont, const Gwen::UnicodeString& text );
+
+				void StartClip();
+				void EndClip();
+
+				void DrawTexturedRect( Gwen::Texture* pTexture, Gwen::Rect pTargetRect, float u1=0.0f, float v1=0.0f, float u2=1.0f, float v2=1.0f );
+				void LoadTexture( Gwen::Texture* pTexture );
+				void FreeTexture( Gwen::Texture* pTexture );
+
+			protected:
+
+				int m_iWidth;
+				int m_iHeight;
+
+				Gdiplus::Color	m_Colour;
+
+				HWND			m_HWND;
+				HDC				m_hDC;
+				ULONG_PTR       m_gdiplusToken;
+
+				Gdiplus::Graphics*		graphics;
+		};
+
+		class GDIPlusBuffered : public GDIPlus
+		{
+			public:
+
+				GDIPlusBuffered( HWND pHWND );
+				~GDIPlusBuffered();
+
+				virtual void Begin();
+				virtual void End();
+
+			private:
+
+				void CreateBackbuffer();
+				void DestroyBackbuffer();
+
+				Gdiplus::Bitmap*			m_Bitmap;
+
+		};
+	}
+}
+#endif