From 1497dccd63a84b7ee2b229b1ad9c5c02718f2a78 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 19 Mar 2019 23:06:27 +0800
Subject: *rename

---
 source/libs/asura-lib-core/graphics/canvas.h | 81 ++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 source/libs/asura-lib-core/graphics/canvas.h

(limited to 'source/libs/asura-lib-core/graphics/canvas.h')

diff --git a/source/libs/asura-lib-core/graphics/canvas.h b/source/libs/asura-lib-core/graphics/canvas.h
new file mode 100644
index 0000000..c4e0f65
--- /dev/null
+++ b/source/libs/asura-lib-core/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
+	{
+
+		///
+		/// Canvas也可以称为render texture，自身也可以作为texture渲染。
+		///
+		class Canvas ASURA_FINAL
+			: public Drawable
+			, public RenderTarget
+			, public Scripting::Portable
+		{
+		public:
+
+			Canvas();
+
+			~Canvas();
+
+			///
+			/// 设置render texture的大小
+			///
+			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的大小
+			///
+			uint mWidth, mHeight;
+
+		public:
+
+			//----------------------------------------------------------------------------------------------------------
+
+			LUAX_DECL_FACTORY(SimCanvas);
+
+			LUAX_DECL_METHOD(l_SetSize);
+			LUAX_DECL_METHOD(l_Bind);
+			LUAX_DECL_METHOD(l_Unbind);
+
+			//----------------------------------------------------------------------------------------------------------
+
+		};
+
+		///
+		/// Canvas别名为RenderTexture
+		///
+		using RenderTexture = Canvas;
+
+	}
+}
+
+#endif
\ No newline at end of file
-- 
cgit v1.1-26-g67d0