kev/Drawer/Module/GeoSigmaDraw/Legend.h

#pragma once

#include "DrawOperator/Xy.h"
#include "DrawOperator/one.h"
#include "Util.h"

class CTextBuilder {
public:
	CTextBuilder& FontLocation(double x, double y)
	{
		m_x = x;
		m_y = y;

		return *this;
	}

	CTextBuilder& FontSize(double width, double height)
	{
		m_width = width;
		m_height = height;

		return *this;
	}

	CTextBuilder& Text(const CString& text)
	{
		m_text = text;

		return *this;
	}

	std::unique_ptr<CText> Build() const
	{
		std::unique_ptr<CText> pText = std::make_unique<CText>();

		const CString formatStr = "%lf,%lf,0.00000000 98\n"
			"{\n"
			"%s\n"
			"}\n"
			"%lf %lf 0.000000 0 400 0 0 0 1 0 16 0 0 Times New Roman";

		CString content;
		content.Format(formatStr, m_x, m_y, m_text, m_width, m_height);

		CMemFile memFile((BYTE*)content.GetString(), content.GetLength());
		pText->Read(memFile, CUR_VERSION);

		return pText;
	}

private:
	double m_x = 0.0;
	double m_y = 0.0;
	double m_width = 21.0;
	double m_height = 52.0;
	CString m_text;
};

/**
 * ͼ<EFBFBD><EFBFBD> Item
 */
class LegendItem
{
public:
	LegendItem(CXy& xy, CLayer* pLayer)
		: m_sourceXy(xy), m_pLayer(pLayer)
	{
		assert(m_pLayer != nullptr);
	}

	/**
	 * <EFBFBD><EFBFBD>ȡͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \return 
	 */
	const CString GetName() const
	{
		return Path::GetFileNameWithoutExtension(m_pLayer->GetName());
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>ռ<EFBFBD>÷<EFBFBD>Χ
	 * 
	 * \param x			<EFBFBD><EFBFBD><EFBFBD>½<EFBFBD> x <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param y			<EFBFBD><EFBFBD><EFBFBD>½<EFBFBD> y <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param width		<EFBFBD><EFBFBD>
	 * \param height	<EFBFBD><EFBFBD>
	 */
	void SetBounds(double x, double y, double width, double height)
	{
		m_x = x;
		m_y = y;
		m_width = width;
		m_height = height;
	}

	/**
	 * <EFBFBD><EFBFBD>ȡͼ<EFBFBD><EFBFBD>ռ<EFBFBD>÷<EFBFBD>Χ
	 * 
	 * \param x			<EFBFBD><EFBFBD><EFBFBD>½<EFBFBD> x <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param y			<EFBFBD><EFBFBD><EFBFBD>½<EFBFBD> y <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param width		<EFBFBD><EFBFBD>
	 * \param height	<EFBFBD><EFBFBD>
	 */
	void GetBounds(double& x, double& y, double& width, double& height) const
	{
		x = m_x;
		y = m_y;
		width = m_width;
		height = m_height;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
	 * 
	 * \param targetXy Ҫ<EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD> xy
	 */
	void Build(CXy& targetXy) const
	{
		BuildCurveRange(targetXy);
		BuildElement(targetXy);
		BuildName(targetXy);
	}
private:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param targetXy	Ҫ<EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD>Ŀ<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
	 */
	void BuildName(CXy& targetXy) const
	{
		CString name = GetName();
		auto [x, y] = MeasureNameLocation(name);

		std::unique_ptr<CText> pText = CTextBuilder()
			.FontLocation(x, y)
			.FontSize(10, 26)
			.Text(name)
			.Build();

		CLayer* pLayer = targetXy.FindAddLayer(_T("ͼ<EFBFBD><EFBFBD>"));

		std::unique_ptr<COne> pOne = std::make_unique<COne>();
		pOne->SetLayer(pLayer);
		pOne->SetValueSafe(pText.release());
		pOne->SetColor(RGB(0, 0, 0));

		targetXy.AddTailOne(pOne.release());
	}

	/**
	 * <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>ص㣬<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>߾ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \return <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD> COne ָ<EFBFBD>룬ʧ<EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD> nullptr
	 */
	COne* GetFirstPointOrCurve() const
	{
		CPositionList select;
		m_sourceXy.GetElement(m_pLayer, select);

		for (POSITION pos = select.GetHeadPosition(); pos != nullptr; select.GetNext(pos))
		{
			POSITION pt = select.GetAt(pos);
			COne* pOne = m_sourceXy.GetAt(pt);

			if (pOne->GetType() == DOUBLEFOX_POINT || pOne->GetType() == DOUBLEFOX_CURVE)
			{
				return pOne;
			}
		}

		return nullptr;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
	 * 
	 * \param targetXy
	 */
	void BuildElement(CXy& targetXy) const
	{
		COne* pOne = GetFirstPointOrCurve();
		if (pOne == nullptr)
		{
			return;
		}

		std::unique_ptr<COne> pNewOne = std::make_unique<COne>();
		*pNewOne = *pOne;

		CRect8 oldRange;
		oldRange.SetRect(1e100, -1e100, -1e100, 1e100);
		pOne->GetRange(oldRange);

		if (pOne->GetType() == DOUBLEFOX_POINT) // <20><><EFBFBD><EFBFBD><EFBFBD>ǵ㣬<C7B5><E3A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		{
			CPointNameEx* pPoint = pNewOne->GetValueSafe<CPointNameEx>();
			assert(pPoint != nullptr);

			CenterPointInRange(*pPoint, CanvasRect());
		}
		else if (pOne->GetType() == DOUBLEFOX_CURVE) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD><DFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		{
			CCurveEx* pCurve = pNewOne->GetValueSafe<CCurveEx>();
			assert(pCurve != nullptr);

			CenterCurveInRange(*pCurve, CanvasRect());
		}

		CLayer* pLayer = targetXy.FindAddLayer(m_pLayer->GetPathName());
		CopyLayerHowtoViewTo(m_pLayer, pLayer);
		pNewOne->SetLayer(pLayer);
		pNewOne->SetColor(RGB(0, 0, 0));

		targetXy.AddTailOne(pNewOne.release());
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param point
	 * \param range
	 */
	void CenterPointInRange(CPointNameEx& point, const CRect8& range) const
	{
		point.x0 = range.left + (range.right - range.left) / 2;
		point.y0 = range.bottom + (range.top - range.bottom) / 2;
		point.SetName(""); // <20><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߷ŵ<EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param curve
	 * \param range
	 */
	void CenterCurveInRange(CCurveEx& curve, const CRect8& range) const
	{
		CRect8 oldRange;
		oldRange.SetRect(1e100, -1e100, -1e100, 1e100);
		curve.GetRange(oldRange);

		CRect8 newRange = ScaleRect(range, 0.9);

		for (int i = 0; i < curve.num; i++)
		{
			auto [x, y] = ScalePoint(curve.x[i], curve.y[i], oldRange, newRange);
			curve.x[i] = x;
			curve.y[i] = y;
		}
		curve.GetLocation();
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD>
	 * 
	 * \param targetXy
	 */
	void BuildCurveRange(CXy& targetXy) const
	{
		std::unique_ptr<CCurveEx> pCurve = std::make_unique<CCurveEx>();
		pCurve->Create(5);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> y <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		double y = m_y + m_height * (1 - m_canvasHeightRatio);

		pCurve->x[0] = m_x;
		pCurve->y[0] = y;

		pCurve->x[1] = m_x + m_width;
		pCurve->y[1] = y;

		pCurve->x[2] = m_x + m_width;
		pCurve->y[2] = m_y + m_height;

		pCurve->x[3] = m_x;
		pCurve->y[3] = m_y + m_height;

		pCurve->x[4] = m_x;
		pCurve->y[4] = y;

		pCurve->GetLocation();

		CLayer* pLayer = targetXy.FindAddLayer(_T("ͼ<EFBFBD><EFBFBD>"));
		
		std::unique_ptr<COne> pOne = std::make_unique<COne>();
		pOne->SetValueSafe(pCurve.release());
		pOne->SetLayer(pLayer);
		pOne->SetColor(RGB(0, 0, 0));

		targetXy.AddTailOne(pOne.release());
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD>Χ<EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD>Χ
	 * 
	 * \param x			x <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param y			y <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param oldRange	<EFBFBD>ɵķ<EFBFBD>Χ
	 * \param newRange	<EFBFBD>µķ<EFBFBD>Χ
	 * \return			<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD> x y <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	std::pair<double, double> ScalePoint(double x, double y, const CRect8& oldRange, const CRect8& newRange) const
	{
		double xMin = oldRange.left;
		double xMax = oldRange.right;
		double yMin = oldRange.bottom;
		double yMax = oldRange.top;

		double newXMin = newRange.left;
		double newXMax = newRange.right;
		double newYMin = newRange.bottom;
		double newYMax = newRange.top;

		double newX = ((x - xMin) / (xMax - xMin)) * (newXMax - newXMin) + newXMin;
		double newY = ((y - yMin) / (yMax - yMin)) * (newYMax - newYMin) + newYMin;

		return { newX, newY };
	}

	/**
	 * <EFBFBD><EFBFBD>ȡͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \return 
	 */
	CRect8 CanvasRect() const
	{
		return CRect8(m_x, m_y + m_height, m_x + m_width, m_y + m_height * (1 - m_canvasHeightRatio));
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param rect			Ҫ<EFBFBD><EFBFBD><EFBFBD>ŵľ<EFBFBD><EFBFBD><EFBFBD>
	 * \param scaleFactor	<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD>
	 * \return 
	 */
	CRect8 ScaleRect(const CRect8& rect, double scaleFactor) const
	{
		assert(scaleFactor > 0);

		double width = rect.right - rect.left;
		double height = rect.top - rect.bottom;

		double newWidth = width * scaleFactor;
		double newHeight = height * scaleFactor;

		double left = rect.left + (width - newWidth) / 2;
		double top = rect.top - (height - newHeight) / 2;
		double right = rect.right - (width - newWidth) / 2;
		double bottom = rect.bottom + (height - newHeight) / 2;
		return CRect8(left, top, right, bottom);
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƹ<EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD> x, y λ<EFBFBD><EFBFBD>
	 * 
	 * \param text
	 * \return 
	 */
	std::pair<double, double> MeasureNameLocation(const CString& name) const
	{
		double x = m_x + m_width / 2;						// Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵĿ<D6B5><C4BF>ȼ<EFBFBD><C8BC><EFBFBD> x <20><>λ<EFBFBD>ã<EFBFBD>Ŀǰ<C4BF><C7B0> x <20><><EFBFBD>õ<EFBFBD><C3B5>м<EFBFBD>λ<EFBFBD>ã<EFBFBD>ò<EFBFBD><C3B2><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD>м<EFBFBD>
		double height = m_height * (1 - m_canvasHeightRatio);	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
		double y = m_y + height;			// y ̧<><CCA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߴ<EFBFBD>
		y -= height * m_nameOffsetRatio;	// <20><><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾλ<CABE><CEBB>
		return { x, y };
	}

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><C7B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵѿ<C7B5><D1BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> x y <20><><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵһ<D2B5><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	double m_x = 0.0;		// <20><><EFBFBD><EFBFBD> x
	double m_y = 0.0;		// <20><><EFBFBD><EFBFBD> y
	double m_width = 2.0;	// <20><><EFBFBD><EFBFBD>
	double m_height = 1.0;	// <20>߶<EFBFBD>
	double m_nameOffsetRatio = 7.0 / 52.0;		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾλ<CABE>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƹ߶<C6B8>ռ<EFBFBD><D5BC>
	double m_canvasHeightRatio = 65.0 / 117.0;	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶Ⱥ<DFB6><C8BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶ȵı<C8B5><C4B1><EFBFBD>
	CXy& m_sourceXy;		// ԭͼ<D4AD><CDBC>xy<78><79><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>ɷ<EFBFBD><C9B7>ŵ<EFBFBD>ͼ<EFBFBD><CDBC> xy
	CLayer* m_pLayer = nullptr;	// Ҫ<><D2AA><EFBFBD>ɷ<EFBFBD><C9B7>ŵ<EFBFBD>ͼ<EFBFBD><CDBC>
};

/**
 *  ͼ<EFBFBD><EFBFBD>
 *
 */
class Legend
{
public:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
	 * 
	 * \param title <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param columns	<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param layers	<EFBFBD><EFBFBD>Щͼ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
	 */
	Legend(CXy &xy, double x, double y, double width, const CString& title, int columns, const std::vector<CString>& layers = {})
		: m_sourceXy(xy), m_x(x), m_y(y), m_width(width), m_title(title), m_columns(columns), m_layers(layers)
	{
		for (const CString& layer : layers)
		{
			CLayer* pLayer = m_sourceXy.FindLayer(layer);
			if (pLayer != nullptr)
			{
				m_boxes.emplace_back(m_sourceXy, pLayer);
			}
		}
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
	 * 
	 * \return <EFBFBD><EFBFBD><EFBFBD>ع<EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͼ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> 
	 */
	std::unique_ptr<CInsertBlock> Build()
	{
		ComputeLayout();

		std::unique_ptr<CXy> pNewXy = std::make_unique<CXy>();
		pNewXy->color = 0;

		// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>߿<EFBFBD>
		BuildCurveRange(*pNewXy);

		// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		BuildTitle(*pNewXy);

		// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC> item
		for (auto& box : m_boxes)
		{
			box.Build(*pNewXy);
		}

		// <20><><EFBFBD><EFBFBD> Block
		std::unique_ptr<CInsertBlock> pBlock = std::make_unique<CInsertBlock>();
		pBlock->SetXy(pNewXy.release());

		return pBlock;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>ռ<EFBFBD>Ŀռ<EFBFBD>
	 * 
	 */
	void ComputeLayout()
	{
		size_t rows = m_boxes.size() / m_columns + (m_boxes.size() % m_columns == 0 ? 0 : 1);
		size_t columns = m_columns;

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD>
		double horizontalSpacing = CalcHorizontalSpacing(m_width, static_cast<int>(columns), m_boxWidthSpacingRatio);

		// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD>
		m_boxWidth = horizontalSpacing * m_boxWidthSpacingRatio;
		// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>ĸ߶ȣ<DFB6><C8A3><EFBFBD><EFBFBD>ƿ<EFBFBD><C6BF>߱<EFBFBD>Ϊ 10 <20><> 8
		m_boxHeight = m_boxWidth * m_widthHeightRatio;

		m_titleHeight = m_boxWidth * m_titleWidthRatio;

		// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>߶<EFBFBD>
		m_height = m_boxHeight * rows + m_titleHeight;

		for (size_t i = 0; i < m_boxes.size(); i++)
		{
			size_t row = i / columns;
			size_t column = i % columns;

			// x ƫ<><C6AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><D0BF><EFBFBD><EFBFBD>м<EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD>
			double xOffset =  column * m_boxWidth + (column + 1) * horizontalSpacing;
			double yOffset =  (row + 1) * m_boxHeight;

			// y <20><><EFBFBD>鷳<EFBFBD>Ķ<EFBFBD>
			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>λ<EFBFBD><CEBB>
			// Ȼ<><C8BB><EFBFBD><EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
			// <20><><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD> y <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½ǵ<C2BD>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD>Ի<EFBFBD>Ҫ<EFBFBD>ټ<EFBFBD><D9BC><EFBFBD> boxHeight
			yOffset = m_height - yOffset - m_titleHeight;

			m_boxes[i].SetBounds(xOffset, yOffset, m_boxWidth, m_boxHeight);
		}

		OffsetBoxes();
	}

	double GetWidth() const
	{
		return m_width;
	}

	double GetHeight() const
	{
		return m_height;
	}

private:
	/**
	 * ǰ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǻ<EFBFBD><EFBFBD><EFBFBD> 0,0 Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>꿪ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> m_x, m_y <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><EFBFBD>
	 * 
	 */
	void OffsetBoxes()
	{
		for (auto& box : m_boxes)
		{
			double x = 0.0;
			double y = 0.0;
			double width = 0.0;
			double height = 0.0;
			box.GetBounds(x, y, width, height);
			box.SetBounds(m_x + x, m_y + y, width, height);
		}
	}

	// <20><><EFBFBD>ѿ<EFBFBD><D1BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>ľ<EFBFBD><C4BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	std::tuple<double, double, double, double> ScaleRect(double x, double y, double width, double height, double scaleFactor)
	{
		assert(scaleFactor > 0 && scaleFactor <= 1);

		double newWidth = width * scaleFactor;
		double newHeight = width * scaleFactor;

		double newX = x + ((width - newWidth) / 2);
		double newY = y + ((height - newHeight) / 2);

		return { newX, newY, newWidth, newHeight };
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param targetXy	Ҫ<EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>Ŀ<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
	 */
	void BuildCurveRange(CXy& targetXy) const
	{
		std::unique_ptr<CCurveEx> pCurve = std::make_unique<CCurveEx>();
		pCurve->Create(5);

		pCurve->x[0] = m_x;
		pCurve->y[0] = m_y;

		pCurve->x[1] = m_x + m_width;
		pCurve->y[1] = m_y;

		pCurve->x[2] = m_x + m_width;
		pCurve->y[2] = m_y + m_height;

		pCurve->x[3] = m_x;
		pCurve->y[3] = m_y + m_height;

		pCurve->x[4] = m_x;
		pCurve->y[4] = m_y;

		pCurve->GetLocation();

		CLayer* pLayer = targetXy.FindAddLayer(_T("ͼ<EFBFBD><EFBFBD>"));

		std::unique_ptr<COne> pOne = std::make_unique<COne>();
		pOne->SetValueSafe(pCurve.release());
		pOne->SetLayer(pLayer);
		pOne->HowToViewCurve = CreateBorderHowToView().release();

		targetXy.AddTailOne(pOne.release());
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param targetXy	Ҫ<EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>Ŀ<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
	 */
	void BuildTitle(CXy& targetXy) const
	{
		double x = m_x + m_width * 0.5;
		double y = m_y + m_height - m_titleHeight * m_titleOffsetRatio;

		std::unique_ptr<CText> pText = CTextBuilder()
			.FontLocation(x, y)
			.FontSize(21, 52)
			.Text("ͼ    <20><>")
			.Build();

		CLayer* pLayer = targetXy.FindAddLayer(_T("ͼ<EFBFBD><EFBFBD>"));

		std::unique_ptr<COne> pOne = std::make_unique<COne>();
		pOne->SetLayer(pLayer);
		pOne->SetValueSafe(pText.release());
		pOne->SetColor(RGB(0, 0, 0));

		targetXy.AddTailOne(pOne.release());
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>ӿ鵽ԭͼ<EFBFBD><EFBFBD>
	 * 
	 * \param pBlock	 <EFBFBD><EFBFBD><EFBFBD>Ϻ<EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	void AddBlock(std::unique_ptr<CInsertBlock> pBlock)
	{
		std::unique_ptr<COne> pOne = std::make_unique<COne>();
		CLayer *pLayer = m_sourceXy.FindAddLayer(_T("ͼ<EFBFBD><EFBFBD>"));
		pOne->SetValueSafe(pBlock.release());
		pOne->SetLayer(pLayer);
		m_sourceXy.AddTailOne(pOne.release());
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD>߿<EFBFBD><EFBFBD>ߵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \return 
	 */
	std::unique_ptr<CHowToViewCurve> CreateBorderHowToView() const
	{
		std::unique_ptr<CCurvePropertiesEx> prop1 = std::make_unique<CCurvePropertiesEx>();
		prop1->m_size = 0;
		prop1->color = abs(16777215);
		prop1->m_nFlags = 65568;
		prop1->m_SmoothStep = 0;
		prop1->m_offset = 0;
		prop1->m_stuCurveWave.T = 0;
		prop1->m_stuCurveWave.T = 0;
		prop1->m_stuCurveWave.A = 0;
		prop1->m_stuCurveWave.dnum = 0;

		std::unique_ptr<CCurvePropertiesEx> prop2 = std::make_unique<CCurvePropertiesEx>();
		prop2->m_size = 0;
		prop2->color = abs(0);
		prop2->m_nFlags = 65536;
		prop2->m_SmoothStep = 0;
		prop2->m_offset = 0;
		prop2->m_stuCurveWave.T = 0;
		prop2->m_stuCurveWave.T = 0;
		prop2->m_stuCurveWave.A = 0;
		prop2->m_stuCurveWave.dnum = 0;

		std::unique_ptr<CHowToViewCurve> pHowToViewCurve = std::make_unique<CHowToViewCurve>();
		pHowToViewCurve->Add(prop1.release());
		pHowToViewCurve->Add(prop2.release());

		return pHowToViewCurve;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>ܿ<EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><EFBFBD>ͼ<EFBFBD>϶<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>϶<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * 
	 * \param width <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param n		<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * \param ratio	<EFBFBD>кͼ<EFBFBD>϶<EFBFBD>Ŀ<EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD>
	 * \return 
	 */
	double CalcHorizontalSpacing(double width, int n, double ratio) const
	{
		// <20>ܹ<EFBFBD> n <20>У<EFBFBD><D0A3><EFBFBD>϶Ϊ n + 1 <20><>
		// (n + 1) * space + n * boxWidth = width
		// boxWidth = ratio * space
		// (n + 1) * space + n * (ratio * space) = width
		// (n + 1 + n * ratio) * space = width
		// space = width / (n + 1 + n * ratio)

		return width / (n + 1 + n * ratio);
	}

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><C7B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵѿ<C7B5><D1BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> x y <20><><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵһ<D2B5><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	double m_x = 0.0;
	double m_y = 0.0;
	double m_width = 512.0;
	double m_height = 421.0;
	CString m_title;
	// ÿ<>м<EFBFBD><D0BC><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC> Item <20><><EFBFBD><EFBFBD>Ϊ 46 <20><> 106
	double m_boxWidthSpacingRatio = 106.0 / 46.0;
	// ͼ<>п<EFBFBD><D0BF>߱<EFBFBD>
	double m_widthHeightRatio = 106.0 / 117.0;
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><DFB6><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD>ȵı<C8B5><C4B1><EFBFBD>
	double m_titleWidthRatio = 77.0 / 106.0;
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼλ<CABC><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>ռ<EFBFBD><D5BC>
	double m_titleOffsetRatio = 10.0 / 77.0;
	double m_boxWidth = 0.0;
	double m_boxHeight = 0.0;
	double m_titleHeight = 0.0;
	int m_columns = 3;
	std::vector<CString> m_layers;
	std::vector<LegendItem> m_boxes;
	CXy& m_sourceXy;
};