CAD

开发平台：
Visual C++

Processfile8.cpp：源码内容
							#include "stdafx.h"
#include "FileSwitch.h"
#include "IgesReader.h"
#include "KmgReader.h"
#include "KmDim.h"
#include "DSSubst.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
extern CStdioFile g_CensorialFile; //监察转换进度的文件
extern int g_mode;
BOOL CKmgReader::processentity_dim(CKmDataManager* pData,KmObject* pObj,AD_OBJHANDLE handle)
{
	if(!pObj)return FALSE;
	if(!pObj->IsKindOf(RUNTIME_CLASS(KmDim)))return FALSE;
	AD_OBJHANDLE hDimstyle;
	if(!m_adimstyle.Get(hDimstyle,((KmDim*)pObj)->GetDimStyleID()))
	{
		return FALSE;
	}
	//extern  AD_VMADDR ADCDECL adCreateBlobEx _((short chunksize));
	//#define                adCreateBlob() adCreateBlobEx(4096)
	//extern  short  ADCDECL adDeleteBlob _((AD_VMADDR blob));
	AD_VMADDR blob=adCreateBlob();//样式替代大小应小于4096
	KmDim* pDim=(KmDim*)pObj;
	KmDimStlAcsMgr* pDimStlAcsMgr=pDim->GetDSAMgr();
	if(pDimStlAcsMgr)
	{
		CDSSubst* pDSSubst=pDimStlAcsMgr->GetVarSel(pDim->GetDimStyleID());
		if(pDSSubst)
		{
			if(pDSSubst->GetSubstVarNum()!=0)
			{
				//BOOL processentity_dim_blob(CDSSubst* pDSSubst,AD_VMADDR blob);
				if(!processentity_dim_blob(pDSSubst,blob))
				{
					adDeleteBlob(blob);
					blob=NULL;
				}
			}
			else
			{
				adDeleteBlob(blob);
				blob=NULL;
			}
		}
		else
		{
			adDeleteBlob(blob);
			blob=NULL;
		}
	}
	else
	//如果没有样式替代则
	{
		adDeleteBlob(blob);
		blob=NULL;
	}
	if(pObj->IsKindOf(RUNTIME_CLASS(KmSimpleDim)))
//(KmSimpleDim));
	//(KmCoSerialSimpleDim));
	//(KmDaSerialSimpleDim));
	//(KmGeSerialSimpleDim));
	//(KmSyHalfSimpleDim));
	//(KmSyDiameterDim));
	{
		if(!processentity_dim_simple(pData,pObj,handle,hDimstyle,blob))
		{
			adDeleteBlob(blob);
			return FALSE;
		}
		return TRUE;
	}
	else if(pObj->IsKindOf(RUNTIME_CLASS(KmRadiusDim)))
//(KmRadiusDim));
	{
		if(!processentity_dim_radius(pData,pObj,handle,hDimstyle,blob))
		{
			adDeleteBlob(blob);
			return FALSE;
		}
		return TRUE;
	}
	else if(pObj->IsKindOf(RUNTIME_CLASS(KmDiameterDim)))
//(KmDiameterDim));
	{
		if(!processentity_dim_diameter(pData,pObj,handle,hDimstyle,blob))
		{
			adDeleteBlob(blob);
			return FALSE;
		}
		return TRUE;
	}
	else if(pObj->IsKindOf(RUNTIME_CLASS(KmBaseAngleDim)))
//(KmBaseAngleDim));
	//(KmArcLenDim));
	//(KmAngleDim));           
	//(KmVAngleDim));
	//(KmSyHalfAngleDim));
	{
		if(!processentity_dim_angle(pData,pObj,handle,hDimstyle,blob))
		{
			adDeleteBlob(blob);
			return FALSE;
		}
		return TRUE;
	}
	adDeleteBlob(blob);
	return FALSE;
}
BOOL CKmgReader::processentity_dim_simple(CKmDataManager* pData,KmObject* pObj,AD_OBJHANDLE hBlock,AD_OBJHANDLE hDimstyle,AD_VMADDR blob)
{
	if(!pObj)return FALSE;
	if(!pObj->IsKindOf(RUNTIME_CLASS(KmSimpleDim)))return FALSE;
	KmSimpleDim* pSimpleDim=(KmSimpleDim*)pObj;
	//东方CAD保证LINEB与LT1B在同一条尺寸引出线上
	KmPoint p1=pSimpleDim->GetDimLt1B();
	KmPoint p2=pSimpleDim->GetDimLt2B();
	KmPoint p3=pSimpleDim->GetDimLineB();
	//AFX_EXT_API KmPoint OrthPt2Ln(KmPoint pt,KmPoint ptb,KmPoint pte)
	KmPoint p4=::OrthPt2Ln(p2,p1,p3);
	double dAng=calculate_2dangle(p4.x-p2.x,p4.y-p2.y);
	double dDis=::sqrt((p4.x-p2.x)*(p4.x-p2.x)+(p4.y-p2.y)*(p4.y-p2.y))*0.5;
	KmPoint p5;
	p5.x=p3.x+dDis*cos(dAng);
	p5.y=p3.y+dDis*sin(dAng);
	return m_pConverter->ConverterEntity_AdSimpleDim(pSimpleDim,
		p1,
		p2,
		p5,
		dAng,
		hBlock,hDimstyle,blob);
}
BOOL CKmgReader::processentity_dim_radius(CKmDataManager* pData,KmObject* pObj,AD_OBJHANDLE hBlock,AD_OBJHANDLE hDimstyle,AD_VMADDR blob)
{
	if(!pObj)return FALSE;
	if(!pObj->IsKindOf(RUNTIME_CLASS(KmRadiusDim)))return FALSE;
	KmRadiusDim* pRadiusDim=(KmRadiusDim*)pObj;
	KmPoint p1=(pRadiusDim->GetDimLt1B()+pRadiusDim->GetDimLt2B());
	p1.x=p1.x*0.5;
	p1.y=p1.y*0.5;
	return m_pConverter->ConverterEntity_AdRadiusDim(pRadiusDim,
		p1,
		pRadiusDim->GetDimLineB(),
		hBlock,hDimstyle,blob);
}
BOOL CKmgReader::processentity_dim_diameter(CKmDataManager* pData,KmObject* pObj,AD_OBJHANDLE hBlock,AD_OBJHANDLE hDimstyle,AD_VMADDR blob)
{
	if(!pObj)return FALSE;
	if(!pObj->IsKindOf(RUNTIME_CLASS(KmDiameterDim)))return FALSE;
	KmDiameterDim* pDiameterDim=(KmDiameterDim*)pObj;
	return m_pConverter->ConverterEntity_AdDiameterDim(pDiameterDim,
		pDiameterDim->GetDimLt1B(),
		pDiameterDim->GetDimLt2B(),
		hBlock,hDimstyle,blob);
}
BOOL CKmgReader::processentity_dim_angle(CKmDataManager* pData,KmObject* pObj,AD_OBJHANDLE hBlock,AD_OBJHANDLE hDimstyle,AD_VMADDR blob)
{
	if(!pObj)return FALSE;
	if(!pObj->IsKindOf(RUNTIME_CLASS(KmBaseAngleDim)))return FALSE;
	KmBaseAngleDim* pBaseAngleDim=(KmBaseAngleDim*)pObj;
	KmPoint p1=pBaseAngleDim->GetDimLt1B();
	KmPoint p2=pBaseAngleDim->GetDimLineB();
	KmPoint p3=pBaseAngleDim->GetDimLt2B();
	KmPoint p4=pBaseAngleDim->GetVertex();
	KmPoint p5=pBaseAngleDim->GetDimLinePos();
	double dAngle1B=0.0;
	double dAngle2B=0.0;
	double dRadius=0.0;
	{//已知 p1  p2 表示尺寸界线1  p3表示尺寸界线2的起点 p4表示顶点 p5表示控制点 
		//求尺寸界线2的终点将它保存在p4
		dRadius=::sqrt((p4.x-p2.x)*(p4.x-p2.x)+(p4.y-p2.y)*(p4.y-p2.y));
		dAngle2B=calculate_2dangle(p3.x-p4.x,p3.y-p4.y);
		dAngle1B=calculate_2dangle(p1.x-p4.x,p1.y-p4.y);
		p4.x=p4.x+dRadius*cos(dAngle2B);
		p4.y=p4.y+dRadius*sin(dAngle2B);
	}
	{//对于p1与p2  p3与p4重合的情况需要适当偏移
		if( fabs(p1.x-p2.x)<PRECISION && fabs(p1.y-p2.y)<PRECISION )
		{
			p1.x=p1.x+dRadius*0.01*cos(dAngle1B+PI);
			p1.y=p1.y+dRadius*0.01*sin(dAngle1B+PI);
		}
		if( fabs(p3.x-p4.x)<PRECISION && fabs(p3.y-p4.y)<PRECISION )
		{
			p3.x=p3.x+dRadius*0.01*cos(dAngle2B+PI);
			p3.y=p3.y+dRadius*0.01*sin(dAngle2B+PI);
		}
	}
	return m_pConverter->ConverterEntity_AdAngleDim(pBaseAngleDim,
		p1,p2,p3,p4,p5,
		hBlock,hDimstyle,blob);
}

						