427 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			427 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright (c) 2016-2018 Easy2D - 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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| 
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| #include "Geometry.h"
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| #include "Factory.h"
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| #include "render.h"
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| #include "logs.h"
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| 
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| namespace easy2d
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| {
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| 	//-------------------------------------------------------
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| 	// Geometry
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| 	//-------------------------------------------------------
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| 
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| 	Geometry::Geometry()
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| 	{
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| 	}
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| 
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| 	Geometry::~Geometry()
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| 	{
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| 	}
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| 
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| 	Rect Geometry::GetBoundingBox()
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| 	{
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| 		if (!geo_)
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| 			return Rect{};
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| 
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| 		D2D1_RECT_F rect;
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| 		// no matter it failed or not
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| 		geo_->GetBounds(D2D1::Matrix3x2F::Identity(), &rect);
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| 		return rect;
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| 	}
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| 
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| 	float Geometry::GetLength()
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| 	{
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| 		float length = 0.f;
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| 		if (geo_)
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| 		{
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| 			// no matter it failed or not
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| 			geo_->ComputeLength(D2D1::Matrix3x2F::Identity(), &length);
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| 		}
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| 		return length;
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| 	}
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| 
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| 	bool Geometry::ComputePointAt(float length, Point* point, Point* tangent)
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| 	{
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| 		if (geo_)
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| 		{
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| 			D2D1_POINT_2F point_tmp, tangent_tmp;
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| 			if (SUCCEEDED(geo_->ComputePointAtLength(
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| 				length,
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| 				D2D1::Matrix3x2F::Identity(),
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| 				&point_tmp,
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| 				&tangent_tmp)))
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| 			{
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| 				(*point).x = point_tmp.x;
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| 				(*point).y = point_tmp.y;
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| 				(*tangent).x = tangent_tmp.x;
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| 				(*tangent).y = tangent_tmp.y;
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| 				return true;
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| 			}
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| 		}
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| 		return false;
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| 	}
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| 
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| 	float Geometry::ComputeArea()
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| 	{
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| 		if (!geo_)
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| 			return 0.f;
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| 
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| 		float area = 0.f;
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| 		// no matter it failed or not
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| 		geo_->ComputeArea(D2D1::Matrix3x2F::Identity(), &area);
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| 		return area;
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| 	}
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| 
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| 	bool Geometry::ContainsPoint(Point const & point)
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| 	{
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| 		if (!geo_)
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| 			return false;
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| 
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| 		BOOL ret = 0;
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| 		// no matter it failed or not
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| 		geo_->FillContainsPoint(
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| 			point,
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| 			D2D1::Matrix3x2F::Identity(),
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| 			&ret
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| 		);
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| 		return !!ret;
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| 	}
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| 
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| 
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| 	//-------------------------------------------------------
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| 	// LineGeometry
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| 	//-------------------------------------------------------
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| 
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| 	LineGeometry::LineGeometry()
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| 	{
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| 	}
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| 
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| 	LineGeometry::LineGeometry(Point const & begin, Point const & end)
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| 	{
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| 		SetLine(begin, end);
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| 	}
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| 
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| 	LineGeometry::~LineGeometry()
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| 	{
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| 	}
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| 
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| 	void LineGeometry::SetLine(Point const & begin, Point const & end)
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| 	{
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| 		CpPathGeometry path_geo;
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| 		CpGeometrySink path_sink;
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| 
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| 		HRESULT hr = Factory::Instance()->CreatePathGeometry(path_geo);
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| 
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| 		if (SUCCEEDED(hr))
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| 		{
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| 			hr = path_geo->Open(&path_sink);
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| 		}
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| 
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| 		if (SUCCEEDED(hr))
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| 		{
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| 			path_sink->BeginFigure(begin, D2D1_FIGURE_BEGIN_FILLED);
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| 			path_sink->AddLine(end);
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| 			path_sink->EndFigure(D2D1_FIGURE_END_OPEN);
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| 			hr = path_sink->Close();
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| 		}
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| 
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| 		if (SUCCEEDED(hr))
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| 		{
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| 			geo_ = path_geo;
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| 		}
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| 	}
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| 
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| 	void LineGeometry::SetBegin(Point const & begin)
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| 	{
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| 		SetLine(begin, end_);
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| 	}
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| 
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| 	void LineGeometry::SetEnd(Point const & end)
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| 	{
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| 		SetLine(begin_, end);
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| 	}
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| 
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| 
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| 	//-------------------------------------------------------
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| 	// RectangleGeometry
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| 	//-------------------------------------------------------
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| 
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| 	RectangleGeometry::RectangleGeometry()
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| 	{
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| 	}
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| 
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| 	RectangleGeometry::RectangleGeometry(Rect const & rect)
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| 	{
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| 		SetRect(rect);
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| 	}
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| 
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| 	RectangleGeometry::RectangleGeometry(Point const & left_top, Size const & size)
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| 	{
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| 		SetRect(Rect{ left_top, size });
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| 	}
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| 
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| 	RectangleGeometry::~RectangleGeometry()
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| 	{
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| 	}
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| 
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| 	void RectangleGeometry::SetRect(Rect const & rect)
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| 	{
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| 		CpRectangleGeometry geo;
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| 		if (SUCCEEDED(Factory::Instance()->CreateRectangleGeometry(geo, rect)))
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| 		{
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| 			geo_ = geo;
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| 			rect_ = rect;
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| 		}
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| 	}
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| 
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| 
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| 	//-------------------------------------------------------
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| 	// CircleGeometry
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| 	//-------------------------------------------------------
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| 
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| 	CircleGeometry::CircleGeometry()
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| 		: radius_(0.f)
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| 	{
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| 	}
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| 
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| 	CircleGeometry::CircleGeometry(Point const & center, float radius)
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| 	{
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| 		SetCircle(center, radius);
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| 	}
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| 
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| 	CircleGeometry::~CircleGeometry()
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| 	{
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| 	}
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| 
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| 	void CircleGeometry::SetRadius(float radius)
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| 	{
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| 		SetCircle(center_, radius);
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| 	}
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| 
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| 	void CircleGeometry::SetCenter(Point const & center)
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| 	{
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| 		SetCircle(center, radius_);
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| 	}
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| 
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| 	void CircleGeometry::SetCircle(Point const & center, float radius)
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| 	{
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| 		CpEllipseGeometry geo;
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| 		if (SUCCEEDED(Factory::Instance()->CreateEllipseGeometry(geo, center, radius, radius)))
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| 		{
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| 			geo_ = geo;
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| 			center_ = center;
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| 			radius_ = radius;
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| 		}
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| 	}
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| 
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| 
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| 	//-------------------------------------------------------
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| 	// EllipseGeometry
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| 	//-------------------------------------------------------
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| 
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| 	EllipseGeometry::EllipseGeometry()
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| 		: radius_x_(0.f)
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| 		, radius_y_(0.f)
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| 	{
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| 	}
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| 
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| 	EllipseGeometry::EllipseGeometry(Point const & center, float radius_x, float radius_y)
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| 	{
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| 		SetEllipse(center, radius_x, radius_y);
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| 	}
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| 
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| 	EllipseGeometry::~EllipseGeometry()
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| 	{
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| 	}
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| 
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| 	void EllipseGeometry::SetRadius(float radius_x, float radius_y)
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| 	{
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| 		SetEllipse(center_, radius_x, radius_y);
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| 	}
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| 
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| 	void EllipseGeometry::SetCenter(Point const & center)
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| 	{
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| 		SetEllipse(center, radius_x_, radius_y_);
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| 	}
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| 
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| 	void EllipseGeometry::SetEllipse(Point const & center, float radius_x, float radius_y)
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| 	{
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| 		CpEllipseGeometry geo;
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| 		if (SUCCEEDED(Factory::Instance()->CreateEllipseGeometry(geo, center, radius_x, radius_y)))
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| 		{
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| 			geo_ = geo;
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| 			radius_x_ = radius_x;
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| 			radius_y_ = radius_y;
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| 		}
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| 	}
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| 
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| 
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| 	//-------------------------------------------------------
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| 	// PathGeometry
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| 	//-------------------------------------------------------
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| 
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| 	PathGeometry::PathGeometry()
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| 	{
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| 	}
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| 
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| 	PathGeometry::~PathGeometry()
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| 	{
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| 	}
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| 
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| 	void PathGeometry::BeginPath(Point const& begin_pos)
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| 	{
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| 		current_geometry_ = nullptr;
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| 
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| 		ThrowIfFailed(
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| 			Factory::Instance()->CreatePathGeometry(current_geometry_)
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| 		);
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| 
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| 		ThrowIfFailed(
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| 			current_geometry_->Open(¤t_sink_)
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| 		);
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| 
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| 		current_sink_->BeginFigure(begin_pos, D2D1_FIGURE_BEGIN_FILLED);
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| 	}
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| 
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| 	void PathGeometry::EndPath(bool closed)
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| 	{
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| 		if (current_sink_)
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| 		{
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| 			current_sink_->EndFigure(closed ? D2D1_FIGURE_END_CLOSED : D2D1_FIGURE_END_OPEN);
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| 			ThrowIfFailed(
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| 				current_sink_->Close()
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| 			);
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| 
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| 			geo_ = current_geometry_;
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| 
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| 			current_sink_ = nullptr;
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| 			current_geometry_ = nullptr;
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| 		}
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| 	}
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| 
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| 	void PathGeometry::AddLine(Point const & point)
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| 	{
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| 		if (current_sink_)
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| 			current_sink_->AddLine(point);
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| 	}
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| 
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| 	void PathGeometry::AddLines(Array<Point> const& points)
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| 	{
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| 		if (current_sink_)
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| 		{
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| 			if (!points.empty())
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| 			{
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| 				size_t size = points.size();
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| 				Array<D2D1_POINT_2F> d2d_points(size);
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| 				for (size_t i = 0; i < size; ++i)
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| 				{
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| 					d2d_points[i] = points[i];
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| 				}
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| 
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| 				current_sink_->AddLines(
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| 					&d2d_points[0],
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| 					static_cast<UINT32>(size)
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| 				);
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| 			}
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| 		}
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| 	}
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| 
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| 	void PathGeometry::AddBezier(Point const & point1, Point const & point2, Point const & point3)
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| 	{
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| 		if (current_sink_)
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| 		{
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| 			current_sink_->AddBezier(
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| 				D2D1::BezierSegment(
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| 					point1,
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| 					point2,
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| 					point3
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| 				)
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| 			);
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| 		}
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| 	}
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| 
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| 	void PathGeometry::AddArc(Point const & point, Point const & radius, float rotation, bool clockwise, bool is_small)
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| 	{
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| 		if (current_sink_)
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| 		{
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| 			current_sink_->AddArc(
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| 				D2D1::ArcSegment(
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| 					point,
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| 					D2D1_SIZE_F{ radius.x, radius.y },
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| 					rotation,
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| 					clockwise ? D2D1_SWEEP_DIRECTION_CLOCKWISE : D2D1_SWEEP_DIRECTION_COUNTER_CLOCKWISE,
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| 					is_small ? D2D1_ARC_SIZE_SMALL : D2D1_ARC_SIZE_LARGE
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| 				)
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| 			);
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| 		}
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| 	}
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| 
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| 	void PathGeometry::ClearPath()
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| 	{
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| 		geo_ = nullptr;
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| 		current_sink_ = nullptr;
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| 		current_geometry_ = nullptr;
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| 	}
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| 
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| 
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| 	//-------------------------------------------------------
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| 	// RoundedRectGeometry
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| 	//-------------------------------------------------------
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| 
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| 	RoundedRectGeometry::RoundedRectGeometry()
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| 		: radius_x_(0.f)
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| 		, radius_y_(0.f)
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| 	{
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| 	}
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| 
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| 	RoundedRectGeometry::RoundedRectGeometry(Rect const & rect, float radius_x, float radius_y)
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| 	{
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| 		SetRoundedRect(rect, radius_x, radius_y);
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| 	}
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| 
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| 	RoundedRectGeometry::~RoundedRectGeometry()
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| 	{
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| 	}
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| 
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| 	void RoundedRectGeometry::SetRadius(float radius_x, float radius_y)
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| 	{
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| 		SetRoundedRect(rect_, radius_x, radius_y);
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| 	}
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| 
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| 	void RoundedRectGeometry::SetRect(Rect const & rect)
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| 	{
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| 		SetRoundedRect(rect, radius_x_, radius_y_);
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| 	}
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| 
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| 	void RoundedRectGeometry::SetRoundedRect(Rect const & rect, float radius_x, float radius_y)
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| 	{
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| 		CpRoundedRectangleGeometry geo;
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| 		if (SUCCEEDED(Factory::Instance()->CreateRoundedRectangleGeometry(geo, rect, radius_x, radius_y)))
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| 		{
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| 			geo_ = geo;
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| 			rect_ = rect;
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| 			radius_x_ = radius_x;
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| 			radius_y_ = radius_y;
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| 		}
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| 	}
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| 
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| } |