118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <kiwano/render/NativeObject.h>
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namespace kiwano
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{
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class ShapeMaker;
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KGE_DECLARE_SMART_PTR(Shape);
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/**
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* \addtogroup Render
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* @{
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*/
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/**
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* \~chinese
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* @brief ÐÎ×´
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*/
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class KGE_API Shape : public NativeObject
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{
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friend class ShapeMaker;
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public:
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/// \~chinese
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/// @brief ´´½¨Ï߶ÎÐÎ×´
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/// @param begin Ï߶ÎÆðµã
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/// @param end Ï߶ÎÖÕµã
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static ShapePtr CreateLine(const Point& begin, const Point& end);
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/// \~chinese
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/// @brief ´´½¨¾ØÐÎ
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/// @param rect ¾ØÐÎ
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static ShapePtr CreateRect(const Rect& rect);
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/// \~chinese
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/// @brief ´´½¨Ô²½Ç¾ØÐÎ
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/// @param rect ¾ØÐÎ
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/// @param radius ¾ØÐÎÔ²½Ç°ë¾¶
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static ShapePtr CreateRoundedRect(const Rect& rect, const Vec2& radius);
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/// \~chinese
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/// @brief ´´½¨Ô²ÐÎ
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/// @param center Ô²ÐÎÔµã
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/// @param radius Ô²Ðΰ뾶
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static ShapePtr CreateCircle(const Point& center, float radius);
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/// \~chinese
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/// @brief ´´½¨ÍÖÔ²ÐÎ
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/// @param center ÍÖÔ²Ôµã
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/// @param radius ÍÖÔ²°ë¾¶
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static ShapePtr CreateEllipse(const Point& center, const Vec2& radius);
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/// \~chinese
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/// @brief ´´½¨¶à±ßÐÎ
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/// @param vertices ¶à±ßÐζ˵㼯ºÏ
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static ShapePtr CreatePolygon(const Vector<Point>& vertices);
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Shape();
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/// \~chinese
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/// @brief »ñÈ¡ÍâÇаüΧºÐ
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Rect GetBoundingBox() const;
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/// \~chinese
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/// @brief »ñÈ¡ÍâÇаüΧºÐ
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/// @param transform ¶þά±ä»»
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Rect GetBoundingBox(const Matrix3x2& transform) const;
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/// \~chinese
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/// @brief ÅжÏͼÐÎÊÇ·ñ°üº¬µã
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/// @param point µã
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/// @param transform Ó¦Óõ½µãÉϵĶþά±ä»»
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bool ContainsPoint(const Point& point, const Matrix3x2* transform = nullptr) const;
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/// \~chinese
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/// @brief »ñȡͼÐÎÕ¹¿ª³ÉÒ»ÌõÖ±Ïߵij¤¶È
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float GetLength() const;
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/// \~chinese
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/// @brief ¼ÆËãͼÐÎÃæ»ý
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float ComputeArea() const;
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/// \~chinese
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/// @brief ¼ÆËãͼÐÎÉϵãµÄλÖúÍÇÐÏßÏòÁ¿
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/// @param[in] length µãÔÚͼÐÎÉϵÄλÖ㬷¶Î§ [0.0 - 1.0]
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/// @param[out] point µãµÄλÖÃ
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/// @param[out] tangent µãµÄÇÐÏßÏòÁ¿
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bool ComputePointAtLength(float length, Point& point, Vec2& tangent) const;
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/// \~chinese
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/// @brief Çå³ýÐÎ×´
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void Clear();
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};
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/** @} */
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} // namespace kiwano
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