#include "stdafx.h"
#include "SelectionDrawer.h"
#include "SigmaDoc.h"

SelectionDrawer::SelectionDrawer(CSigmaDoc * pDoc)
	:m_pDoc(pDoc)
{
	m_pDoc = nullptr;
	m_pSelection = nullptr;
}

void SelectionDrawer::OnDraw(CDC* pDC)
{
	//m_selection = &m_oldSelection;
	//ReloadTrackerPath();
	//m_Tracker.Draw(pDC);

	ReloadTrackerPath();
	m_Tracker.Draw(pDC);
}

void SelectionDrawer::SetPostion(POSITION pos)
{
	m_selection.RemoveAll();
	m_selection.AddTail(pos);
}

void SelectionDrawer::ReloadTrackerPath(void)
{
	//CWaitCursor wc;
	m_Tracker.Clear();
	if (m_selection.IsEmpty()) return;
	POSITION pos, pt;
	pos = m_selection.GetHeadPosition();
	while (pos != NULL)
	{
		pt = m_selection.GetNext(pos);
		LoadPath(pt);
	}
}
void SelectionDrawer::LoadPath(POSITION pos)
{
	if (pos == NULL) 
		return;
	COne* pOne;
	pOne = (COne*)m_pDoc->GetDraw()->GetAt(pos);
	LoadPath(pOne);
}
void SelectionDrawer::LoadPath(COne* pOne)
{
	if (pOne == NULL) 
		return;
	GraphicsPath path;
	path.Reset();
	switch (pOne->GetType())
	{
	case DOUBLEFOX_CURVE:
		LoadCurvePath(path, (CCurveEx*)pOne->GetValue());
		break;
	case DOUBLEFOX_CIRCLE:
	case DOUBLEFOX_ELLIPSE:
	{
		CEllipse* pCircle = (CEllipse*)pOne->GetValue();
		CRect8 range = pOne->GetRect();
		CRect rt = (&m_pDoc->GetDC())->GetScreen(range); rt.NormalizeRect();
		path.AddEllipse(rt.left, rt.top, rt.Width(), rt.Height());
	}
	break;
	case DOUBLEFOX_FRAME:
	{
		m_posRect = pOne->GetRect();
		m_posRect.NormalizeRect();
		LoadRectPath(path, m_posRect);
	}
	break;
	case DOUBLEFOX_ARC:
		LoadCurvePath(path, ((CArc*)pOne->GetValue())->GetCurve());
		break;
	case DOUBLEFOX_TEXT:
	{
		CText* pText = (CText*)pOne->GetValue();
		CXyDC* pXyDC = &m_pDoc->GetDC();
		CDC* pBakDC = pXyDC->GetDC();
		CRect BakRT = pXyDC->GetViewRect();

		CMemoryDC *pImageDC = new CMemoryDC;
		CSize sizeOld;
		sizeOld.cx = BakRT.Width();
		sizeOld.cy = BakRT.Height();
		if (!pImageDC->Create(sizeOld))
		{
			delete pImageDC;
			pImageDC = nullptr;
			return;
		}
		pXyDC->Create(pImageDC);
		// »ñµÃ·¶Î§
		CPoint point;
		point.x = pXyDC->GetSX(pText->x0);
		point.y = pXyDC->GetSY(pText->y0);
		CRect rect(point, point);
		CFont font; 	font.CreateFontIndirect(&pText->m_logFont);
		pImageDC->SelectObject(&font);
		pImageDC->DrawText(pText->GetName(), rect, DT_CALCRECT);
		pXyDC->Create(pBakDC);
		delete pImageDC;
		pImageDC = nullptr;

		CRect8 rt8 = pXyDC->GetReal(rect);
		rt8.NormalizeRect();
		pText->Aligns(rt8);

		m_posRect = pOne->GetRect();
		TRACE("Old_m_posRect:%lf,%lf,%lf,%lf,%lf,%lf\r\n"
			, m_posRect.left, m_posRect.top, m_posRect.right, m_posRect.bottom, m_posRect.Width(), m_posRect.Height());

		m_posRect.SetRect(rt8.left, rt8.top, rt8.right, rt8.bottom);
		TRACE("New_m_posRect:%lf,%lf,%lf,%lf%lf,%lf\r\n"
			, m_posRect.left, m_posRect.top, m_posRect.right, m_posRect.bottom, m_posRect.Width(), m_posRect.Height());

		LoadRectPath(path, m_posRect);
	}
	break;
	case DOUBLEFOX_XYZ:
	case DOUBLEFOX_POINT:
		
		//if (m_bPointTextSelected)
		//{
		//	CPointNameEx* ppn = (CPointNameEx*)pOne->GetValue();
		//	CRect8 range(1e100, -1e100, -1e100, 1e100);
		//	ppn->GetRangeText(range, pOne->GetHowToViewPoint());
		//	LoadRectPath(path, range);
		//}
		//else
		//{
			m_posRect = pOne->GetRect();
			LoadRectPath(path, m_posRect);
		//}
		break;
	default:
		m_posRect = pOne->GetRect();
		LoadRectPath(path, m_posRect);
		break;
	}
	// GetDoc()->GetTracker().AddPath(path);
	m_Tracker.AddPath(path, TRUE);
}

void SelectionDrawer::LoadCurvePath(GraphicsPath& path, CCurveEx* pc)
{
	if (pc == NULL) return;
	Point *pt = new Point[pc->num];
	CPoint point;
	for (int i = 0; i < pc->num; i++)
	{
		point = m_pDoc->GetDC().GetScreen(pc->x[i], pc->y[i]);
		pt[i].X = point.x;
		pt[i].Y = point.y;
	}
	path.AddCurve(pt, pc->num, 0);
	//path.CloseFigure();
	delete[] pt;
}

void SelectionDrawer::LoadRectPath(GraphicsPath& path, CRect8 rect)
{
	CCurveEx* pCurve = new CCurveEx(5);
	pCurve->CreateCurveFromRect(&rect);
	LoadCurvePath(path, pCurve);
	delete pCurve;
}