1 files changed, 81 insertions, 0 deletions

diff --git a/Source/Asura.Engine/graphics/canvas.h b/Source/Asura.Engine/graphics/canvas.h
new file mode 100644
index 0000000..c4e0f65
--- /dev/null
+++ b/Source/Asura.Engine/graphics/canvas.h
@@ -0,0 +1,81 @@
+#ifndef __ASURA_ENGINE_CANVAS_H__
+#define __ASURA_ENGINE_CANVAS_H__
+
+#include <Scripting/Luax.hpp>
+
+#include "Math/Rect.hpp"
+#include "GL.h"
+#include "Texture.h"
+#include "RenderTarget.h"
+
+namespace AsuraEngine
+{
+	namespace Graphics
+	{
+
+		///
+		/// CanvasҲ���Գ�Ϊrender texture������Ҳ������Ϊtexture��Ⱦ��
+		///
+		class Canvas ASURA_FINAL
+			: public Drawable
+			, public RenderTarget
+			, public Scripting::Portable
+		{
+		public:
+
+			Canvas();
+
+			~Canvas();
+
+			///
+			/// ����render texture�Ĵ�С
+			///
+			void SetSize(uint w, uint h);
+
+			void Clear(const Color& col = Color::Black) override;
+
+			void Clear(const Math::Recti& quad, const Color& col = Color::Black) override;
+
+			void Render(const RenderTarget* rt, const Math::Vector2i& pos, const Math::Vector2i& scale, const Math::Vector2i& center, float rot);
+
+			void Render(const RenderTarget* rt, const Math::Rectf& quad, const Math::Vector2i& pos, const Math::Vector2i& scale, const Math::Vector2i& center, float rot);
+
+			void Draw(const Drawable* texture, const RenderState& state);
+
+			void Draw(const Drawable* texture, const Math::Recti& quad, const RenderState& state);
+
+		private:
+
+			///
+			/// Frame buffer object id.
+			///
+			GLuint mFBO;
+
+			///
+			/// canvas�Ĵ�С
+			///
+			uint mWidth, mHeight;
+
+		public:
+
+			//----------------------------------------------------------------------------------------------------------
+
+			LUAX_DECL_FACTORY(SimCanvas);
+
+			LUAX_DECL_METHOD(l_SetSize);
+			LUAX_DECL_METHOD(l_Bind);
+			LUAX_DECL_METHOD(l_Unbind);
+
+			//----------------------------------------------------------------------------------------------------------
+
+		};
+
+		///
+		/// Canvas����ΪRenderTexture
+		///
+		using RenderTexture = Canvas;
+
+	}
+}
+
+#endif
\ No newline at end of file