Kiwano Engine v1.3.x
Shape.h
1// Copyright (c) 2016-2018 Kiwano - Nomango
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
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7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in
11// all copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19// THE SOFTWARE.
20
21#pragma once
22#include <kiwano/platform/NativeObject.hpp>
23
24namespace kiwano
25{
26class ShapeMaker;
27
37class KGE_API Shape : public NativeObject
38{
39 friend class ShapeMaker;
40
41public:
46 static RefPtr<Shape> CreateLine(const Point& begin, const Point& end);
47
51 static RefPtr<Shape> CreateRect(const Rect& rect);
52
57 static RefPtr<Shape> CreateRoundedRect(const Rect& rect, const Vec2& radius);
58
63 static RefPtr<Shape> CreateCircle(const Point& center, float radius);
64
69 static RefPtr<Shape> CreateEllipse(const Point& center, const Vec2& radius);
70
74 static RefPtr<Shape> CreatePolygon(const Vector<Point>& vertices);
75
76 Shape();
77
80 Rect GetBoundingBox() const;
81
85 Rect GetBoundingBox(const Matrix3x2& transform) const;
86
91 bool ContainsPoint(const Point& point, const Matrix3x2* transform = nullptr) const;
92
95 float GetLength() const;
96
99 float ComputeArea() const;
100
106 bool ComputePointAtLength(float length, Point& point, Vec2& tangent) const;
107
110 void Clear();
111};
112
115} // namespace kiwano
含有本地指针的对象
Definition: NativeObject.hpp:32
引用计数智能指针
Definition: RefBasePtr.hpp:35
形状生成器
Definition: ShapeMaker.h:45
形状
Definition: Shape.h:38