Magic_Game/src/kiwano/2d/ShapeActor.h

// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include "Actor.h"
#include "../renderer/Geometry.h"
#include "../renderer/StrokeStyle.h"

namespace kiwano
{
	// <20><>άͼ<CEAC>ν<EFBFBD>ɫ
	class KGE_API ShapeActor
		: public Actor
	{
	public:
		ShapeActor();

		ShapeActor(
			Geometry const& geometry
		);

		virtual ~ShapeActor();

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		inline Color GetFillColor() const			{ return fill_color_; }

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		inline Color GetStrokeColor() const			{ return stroke_color_; }

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		inline float GetStrokeWidth() const		{ return stroke_width_; }

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
		inline StrokeStyle SetStrokeStyle() const	{ return stroke_style_; }

		// <20><>ȡ<EFBFBD><C8A1>״
		inline Geometry GetGeometry() const			{ return geo_; }

		// <20><>ȡ<EFBFBD>߽<EFBFBD>
		Rect GetBounds() const override;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>а<EFBFBD>Χ<EFBFBD><CEA7>
		Rect GetBoundingBox() const override;

		// <20>жϵ<D0B6><CFB5>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>״<EFBFBD><D7B4>
		bool ContainsPoint(const Point& point) const override;

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		void SetFillColor(const Color& color);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		void SetStrokeColor(const Color& color);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetStrokeWidth(float width);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
		void SetStrokeStyle(StrokeStyle stroke_style);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״
		void SetGeometry(Geometry const& geometry);

		void OnRender(RenderTarget* rt) override;

	protected:
		Color		fill_color_;
		Color		stroke_color_;
		float		stroke_width_;
		StrokeStyle	stroke_style_;
		Rect		bounds_;
		Geometry	geo_;
	};


	// ֱ<>߽<EFBFBD>ɫ
	class KGE_API LineActor
		: public ShapeActor
	{
	public:
		LineActor();

		LineActor(
			Point const& begin,
			Point const& end
		);

		virtual ~LineActor();

		inline Point const& GetBeginPoint() const	{ return begin_; }
		
		inline Point const& GetEndPoint() const		{ return end_; }

		inline void SetBeginPoint(Point const& begin)
		{
			SetLine(begin, end_);
		}

		inline void SetEndPoint(Point const& end)
		{
			SetLine(begin_, end);
		}

		void SetLine(
			Point const& begin,
			Point const& end
		);

	protected:
		Point begin_;
		Point end_;
	};


	// <20><><EFBFBD>ν<EFBFBD>ɫ
	class KGE_API RectActor
		: public ShapeActor
	{
	public:
		RectActor();

		RectActor(
			Size const& size
		);

		virtual ~RectActor();

		inline Size const& GetRectSize() const { return rect_size_; }

		void SetRectSize(Size const& size);

	protected:
		Size rect_size_;
	};


	// Բ<>Ǿ<EFBFBD><C7BE>ν<EFBFBD>ɫ
	class KGE_API RoundRectActor
		: public ShapeActor
	{
	public:
		RoundRectActor();

		RoundRectActor(
			Size const& size,
			Vec2 const& radius
		);

		virtual ~RoundRectActor();

		inline Vec2 GetRadius() const	{ return radius_; }

		inline Size GetRectSize() const	{ return size_; }

		void SetRadius(
			Vec2 const& radius
		);

		void SetRectSize(
			Size const& size
		);

		void SetRoundedRect(
			Size const& size,
			Vec2 const& radius
		);

	protected:
		Size rect_size_;
		Vec2 radius_;
	};


	// Բ<>ν<EFBFBD>ɫ
	class KGE_API CircleActor
		: public ShapeActor
	{
	public:
		CircleActor();

		CircleActor(
			float radius
		);

		virtual ~CircleActor();

		inline float GetRadius() const { return radius_; }

		void SetRadius(float radius);

	protected:
		float radius_;
	};


	// <20><>Բ<EFBFBD><D4B2>ɫ
	class KGE_API EllipseActor
		: public ShapeActor
	{
	public:
		EllipseActor();

		EllipseActor(
			Vec2 const& radius
		);

		virtual ~EllipseActor();

		Vec2 GetRadius() const { return radius_; }

		void SetRadius(
			Vec2 const& radius
		);

	protected:
		Vec2 radius_;
	};


	// <20><><EFBFBD><EFBFBD><EFBFBD>ν<EFBFBD>ɫ
	class KGE_API PolygonActor
		: public ShapeActor
	{
	public:
		PolygonActor();

		PolygonActor(
			Vector<Point> const& points
		);

		virtual ~PolygonActor();

		void SetVertices(
			Vector<Point> const& points
		);
	};


	// ·<><C2B7><EFBFBD><EFBFBD>ɫ
	class KGE_API PathActor
		: public ShapeActor
	{
	public:
		PathActor();

		virtual ~PathActor();

		// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>·<EFBFBD><C2B7>
		void BeginPath(
			Point const& begin_pos = Point{}	/* <20><>ʼ<EFBFBD><CABC> */
		);

		// <20><><EFBFBD><EFBFBD>·<EFBFBD><C2B7>
		void EndPath(
			bool closed = true		/* ·<><C2B7><EFBFBD>Ƿ<EFBFBD><C7B7>պ<EFBFBD> */
		);

		// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>߶<EFBFBD>
		void AddLine(
			Point const& point		/* <20>˵<EFBFBD> */
		);

		// <20><><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD>߶<EFBFBD>
		void AddLines(
			Vector<Point> const& points
		);

		// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD><CEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void AddBezier(
			Point const& point1,	/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵĵ<DFB5>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD> */
			Point const& point2,	/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵĵڶ<C4B5><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD> */
			Point const& point3		/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD><DFB5>յ<EFBFBD> */
		);

		// <20><><EFBFBD>ӻ<EFBFBD><D3BB><EFBFBD>
		void AddArc(
			Point const& point,		/* <20>յ<EFBFBD> */
			Size const& radius,		/* <20><>Բ<EFBFBD>뾶 */
			float rotation,		/* <20><>Բ<EFBFBD><D4B2>ת<EFBFBD>Ƕ<EFBFBD> */
			bool clockwise = true,	/* ˳ʱ<CBB3><CAB1> or <20><>ʱ<EFBFBD><CAB1> */
			bool is_small = true	/* <20>Ƿ<EFBFBD>ȡС<C8A1><D0A1> 180<38><30> <20>Ļ<EFBFBD> */
		);

		// <20><><EFBFBD><EFBFBD>·<EFBFBD><C2B7>
		void ClearPath();

	protected:
		GeometrySink sink_;
	};

}