#include "StdAfx.h"
#include ".\zuanobj.h"
#using <mscorlib.dll>
#include "visdrawview.h"
#include "visdrawdoc.h"
//#include <math.h>

IMPLEMENT_SERIAL(CZuanObj, CFigureObj, 0)

CZuanObj::CZuanObj(void)
{
}

CZuanObj::~CZuanObj(void)
{
}

CZuanObj::CZuanObj(DrawObj drawObj)
	: CFigureObj(drawObj)
{
	pToolObj = NULL;
}

CZuanObj::CZuanObj(const CRect& position)
		: CFigureObj(position)
{
	ASSERT_VALID(this);	
//	m_picID=0;
	m_pointx = 0.0;
	m_pointy = 0.0;
	m_ltx=m_lty=m_rbx=m_rby=0.0;
	
	
}


void CZuanObj::Draw(CVisDrawView* pView,CDC* pDC)
{
	ASSERT_VALID(this);
        
	//CPoint nPoint;
	//pView->WorldToClient(nPoint,m_pointx,m_pointy);
	
	//把世界坐標轉化為邏輯坐標
	CPoint m_ltPoint, m_rbPoint;
	
	
	CRect rect = CalcBounds(pView);
	//nPoint.x=rect.TopLeft().x;
    //nPoint.x=rect.TopLeft().y;

	m_pic=pView->m_picIDzuan;
	
		
		bitmap.LoadBitmap(m_pic);

		CDC dcComp;
		dcComp.CreateCompatibleDC(pDC);
		dcComp.SelectObject(&bitmap);

		BITMAP bmInfo;
		bitmap.GetObject(sizeof(bmInfo),&bmInfo);
		

		pDC->BitBlt(rect.TopLeft().x,rect.TopLeft().y,bmInfo.bmWidth,bmInfo.bmHeight, &dcComp, 0,0,SRCCOPY);
		
		//pDC->SelectObject()
		//m_width=bmInfo.bmWidth;
		//m_height=bmInfo.bmHeight;

		/*
		m_RectTracker.m_rect=m_RectLP;
		pDC->LPtoDP(m_RectTracker.m_rect);
		if(IsSelected())m_RectTracker.Draw(pDC);

*/
     bitmap.DeleteObject();
		
	  }
	  

void CZuanObj::Serialize(CArchive& ar)
{
	ASSERT_VALID(this);
	//調用基類串行化
	CFigureObj::Serialize(ar);

	if (ar.IsStoring())
	{
		
		ar << m_ltx << m_lty << m_rbx << m_rby;
	}
	else
	{
		ar >> m_ltx >> m_lty >> m_rbx >> m_rby;
	}
	
	
}

//設定直線端點坐標，為世界坐標
void CZuanObj::SetPoint(int ptNumber, double x, double y)
{
	ASSERT(ptNumber <=2);
	switch(ptNumber)
	{
	case 1:
		m_ltx = x;
		m_lty = y;
		break;
	case 2:
		m_rbx = x;
		m_rby = y;
		break;            
	}
		
}

//返回直線端點的世界坐標
void CZuanObj::GetPoint(int ptNumber, double& x, double& y)
{
	ASSERT(ptNumber <=2);
	switch(ptNumber)
	{
	case 1:
		x = m_ltx;
		y = m_lty;
		break;
	case 2:
		x = m_rbx;
		y = m_rby;
		break;
	}
}
/*
void CCheObj::SetPoint(double pointx, double pointy)
{
	m_pointx = pointx;
	m_pointy = pointy;
}
	
void CCheObj::GetPoint(double& pointx, double& pointy)
{
	pointx = m_pointx;
	pointy = m_pointy;
}
*/
/*//計算外接矩形，以邏輯坐標表示
CRect CCheObj::CalcBounds(CVisDrawView* pView)
{
  
	CPoint nPoint;

	pView->WorldToClient(nPoint,m_pointx,m_pointy);

	rect.TopLeft()=nPoint;
	rect.BottomRight().x=nPoint.x+m_width;
    rect.BottomRight().y=nPoint.y+m_height;

	
	//return rect;
	//m_Rect.left = pt->x;
	//m_Rect.top = pt->y;
	//m_Rect.right = m_Rect.left  +2000; //+100;
	//m_Rect.bottom = m_Rect.top -1000;  //+60;	
	//m_RectLP = rect;
	//m_RectTracker.m_rect = rect;
	//m_RectTracker.m_nStyle = CRectTracker::resizeOutside;
	//m_RectTracker.Draw(pDC);


	m_position = rect;
return m_position;
//}

}
*/

//計算外接矩形，以邏輯坐標表示
CRect CZuanObj::CalcBounds(CVisDrawView* pView)
{
	CRect rect;
	CPoint ltPoint, rbPoint;

	pView->WorldToClient(ltPoint,m_ltx,m_lty);
	pView->WorldToClient(rbPoint,m_rbx,m_rby);

	rect.TopLeft() = ltPoint;
	rect.BottomRight() = rbPoint;	

	m_position = rect;

	return rect;
}
/*
double CCheObj::PointToLine(CPoint nStartPt,CPoint nEndPt, CPoint pt)
{
	int A,B,C;
	double distance;

	//計算直線參數
	A = nStartPt.y - nEndPt.y;
	B = nEndPt.x - nStartPt.x;
	C = nStartPt.x*nEndPt.y - nEndPt.x*nStartPt.y;

	//計算點到直線距離
	distance = (A*pt.x + B*pt.y + C)*(A*pt.x + B*pt.y + C)/(A*A + B*B);
	distance = sqrt(distance);
	return distance;
}
*/
BOOL CZuanObj::IsSelected(CVisDrawView* pView, const CPoint& point)
{

	CPoint local, StartPt, EndPt;

	//參數point是鼠標的邏輯坐標
	int distance, nSelectDistance;

	CRect rect = m_position;
	//CPoint local;
	local = point;
	//鼠標點的設備坐標
	pView->DocToClient(rect);

	//識別精度值
	nSelectDistance = pView->GetDocument()->GetSetectDistance()/2;
	
	//鼠標點的設備坐標
	pView->DocToClient(local);

	//CPoint pt;
	//把點的坐標轉化為邏輯坐標
	//pView->WorldToClient(pt, m_pointx, m_pointy);

	//把點的坐標由邏輯坐標轉化為設備坐標
	//pView->DocToClient(pt);

	//計算鼠標點point與點pt之間的像素距離

	//第一條直線
		distance = abs(local.y - rect.top);
		if(distance < nSelectDistance) return true;

		//第二條直線
		distance = abs(local.x - rect.right);
		if(distance < nSelectDistance) return true;

		//第三條直線
		distance = abs(local.y - rect.bottom);
		if(distance < nSelectDistance) return true;

		//第四條直線
		distance = abs(local.x - rect.left);
		if(distance < nSelectDistance) return true;
	

	//根據拾取條件判斷圖元是否被拾取
	//return (distance < nSelectDistance);
	return false;
}
//返回手柄個數
int CZuanObj::GetHandleCount()
{
	ASSERT_VALID(this);

	return 9;
}

// 返回手柄中心邏輯坐標
CPoint CZuanObj::GetHandle(CVisDrawView* pView, int nHandle)
{
	ASSERT_VALID(this);
	
	
	return CFigureObj::GetHandle(pView, nHandle);
}
// delta為邏輯坐標
void CZuanObj::MoveTo(CPoint delta, CVisDrawView* pView)
{
	ASSERT_VALID(this);	
	//把delta轉化為世界坐標
	double pointx,pointy;
	pointx = pView->ClientToWorld(delta.x);
	pointy = -pView->ClientToWorld(delta.y);

//修改矩形兩頂點坐標
	m_ltx = m_ltx + pointx;
	m_lty = m_lty + pointy;
    m_rbx = m_rbx + pointx;
	m_rby = m_rby + pointy;

	//重新計算邊界矩形
	CalcBounds(pView);

	

	//修改文檔標志	
	m_pDocument->SetModifiedFlag();
}