From 250e30d73f09e9da2b5a81d0fbae63744ae12a73 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 2 Apr 2019 08:47:15 +0800
Subject: *misc

---
 .../libs/asura-lib-core/graphics/render_target.h   | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 source/libs/asura-lib-core/graphics/render_target.h

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

diff --git a/source/libs/asura-lib-core/graphics/render_target.h b/source/libs/asura-lib-core/graphics/render_target.h
new file mode 100644
index 0000000..afa5c6a
--- /dev/null
+++ b/source/libs/asura-lib-core/graphics/render_target.h
@@ -0,0 +1,56 @@
+#ifndef __ASURA_ENGINE_RENDERTARGET_H__
+#define __ASURA_ENGINE_RENDERTARGET_H__
+
+#include <asura-lib-utils/math/vector2.hpp>
+#include <asura-lib-utils/math/rect.hpp>
+#include <asura-lib-utils/scripting/portable.hpp>
+
+#include "texture.h"
+#include "color.h"
+
+namespace AsuraEngine
+{
+	namespace Graphics
+	{
+
+		class Drawable;
+
+		///
+		/// 可被作为渲染目标的类，派生类有
+		///     Canvas(RenderTexture) 
+		///     Window(RenderWindow)
+		///
+		class RenderTarget
+		{
+		public:
+
+			RenderTarget() {};
+
+			virtual ~RenderTarget() {};
+
+			///
+			/// 用颜色col清空整个RT
+			///
+			virtual void Clear(const Color& col = Color::Black) = 0;
+
+			///
+			/// 用颜色col清空部分RT
+			///
+			virtual void Clear(const Math::Recti& quad, const Color& col = Color::Black) = 0;
+
+			///
+			/// 绘制texture到本RT上
+			///
+			virtual void Draw(const Drawable* texture, const RenderState& state) = 0;
+
+			///
+			/// 绘制一部分texture到本RT上
+			///
+			virtual void Draw(const Drawable* texture, const Math::Recti& quad, const RenderState& state) = 0;
+
+		};
+
+	}
+}
+
+#endif
\ No newline at end of file
-- 
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