#include "StdAfx.h"
#include "TDbVirtualPipe.h"

TdbVirtualPipe::TdbVirtualPipe()
{
	m_pPipe = NULL;
}


void TdbVirtualPipe::ShowAngleDim(bool bVal)
{
	m_bShow = bVal;
}

void TdbVirtualPipe::SetPipe(TDbPipe* pPipe)
{
	m_pPipe = pPipe;
}

void TdbVirtualPipe::SetAngleDim(const TADSGePoint3d &ptLoc, double dAngle)
{
	m_ptText = ptLoc;
	m_dAngle = dAngle;
}

Acad::ErrorStatus TdbVirtualPipe::ExplodeOrDraw2d(XExplodeDraw &mode) const
{
	// 绘制管段
	if (m_pPipe != NULL)
	{
		m_pPipe->ExplodeOrDraw2d(mode);
	}

	// 绘制角度标注
	if (m_bShow)
	{
		// 绘制角度文本
		XAcGiViewDraw* pXDraw = (XAcGiViewDraw*)&mode;
		AcGiCommonDraw* pCDraw = NULL;
		if (NULL != pXDraw)
			pCDraw = pXDraw->GetCommonDraw();
		
		if (NULL == pCDraw)
			return Acad::eOk;	

		CString sText;
		sText.Format(_T("%.3f"), m_dAngle);
		sText.TrimRight(_T("0"));
		sText.TrimRight(_T("."));
		
		AcGeVector3d vtX = AcGeVector3d::kXAxis, vtZ = AcGeVector3d::kZAxis;
		vtX.rotateBy(Ucs2Wcs(0.0), AcGeVector3d::kZAxis);
		AcDbDatabase* pDb = acdbCurDwg();
		if (NULL != pDb)
		{
			vtX = pDb->ucsxdir();	
			vtZ = pDb->ucsxdir().crossProduct(pDb->ucsydir());
		}
		
		int nLen = (int)_tcslen(sText);	// 字长
		AcGiTextStyle style;			// 样式
		style.setFileName(_T("txt.shx"));
		style.setBigFontFileName(_T(""));
		style.setTextSize(PixelToWcs(10));	
		TADSGePoint3d ptLoc = m_ptText;
		ptLoc = Wcs2Ucs(ptLoc);
		if (IsIn3quadrant())
		{
			ptLoc.x -= PixelToWcs(30);
		    ptLoc.y -= PixelToWcs(20);
		} 
		else
		{
			ptLoc.x += PixelToWcs(10);
		    ptLoc.y += PixelToWcs(10);
		}
		ptLoc = Ucs2Wcs(ptLoc);
		pCDraw->rawGeometry()->text(ptLoc, vtZ, vtX, sText, nLen, Adesk::kFalse, style);	
	}

	return Acad::eOk;
}

bool TdbVirtualPipe::IsIn3quadrant() const
{
	if (m_pPipe == NULL)
	{
		return false;
	}

	AcGeVector3d vt = m_pPipe->EndPoint() - m_pPipe->StartPoint();
	AcGeVector3d vtX = AcGeVector3d::kXAxis;
	vtX.rotateBy(Ucs2Wcs(0.0), AcGeVector3d::kZAxis);
	double dAngle = vtX.angleTo(vt, AcGeVector3d::kZAxis);
	if(dAngle > PI && dAngle < PI * 1.5)
	{
		return true;
	}
	return false;
}