ShapeMaker.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 <kiwano/render/Shape.h>
 
namespace kiwano
{
 
enum class CombineMode
{
    Union,      
    Intersect,  
    Xor,        
    Exclude     
};
 
class KGE_API ShapeMaker : public NativeObject
{
public:
    ShapeMaker();
 
    ~ShapeMaker();
 
    RefPtr<Shape> GetShape();
 
    void Clear();
 
    void BeginPath(const Point& begin_pos = Point());
 
    void EndPath(bool closed = false);
 
    void AddLine(const Point& point);
 
    void AddLines(const Vector<Point>& points);
 
    void AddLines(const Point* points, size_t count);
 
    void AddBezier(const Point& point1, const Point& point2, const Point& point3);
 
    void AddArc(const Point& point, const Size& radius, float rotation, bool clockwise = true, bool is_small = true);
 
    static RefPtr<Shape> Combine(RefPtr<Shape> shape_a, RefPtr<Shape> shape_b, CombineMode mode,
                                 const Matrix3x2* matrix = nullptr);
 
    void SetShape(RefPtr<Shape> shape);
 
private:
    void OpenStream();
 
    void CloseStream();
 
    bool IsStreamOpened() const;
 
private:
    RefPtr<Shape> shape_;
};
 
}  // namespace kiwano