// dllmain.cpp : 定义 DLL 应用程序的入口点。
#include "stdafx.h"
#include "rxregsvc.h"
#include "aced.h"
BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
class EmrReactor:public AcEditorReactor
{
struct Data
{
virtual~Data()
{
}
Data* m_pData;
};
virtual void dwgFileOpened(AcDbDatabase*pDb, ACHAR* fileName)
{
#ifdef _WIN64
CONTEXT con;
RtlCaptureContext(&con);
#else
#endif
if(pDb->isEMR())
{
#ifdef _WIN64
int iOff=GetEmrOff(con.Rip);
#else
typedef bool (AcDbDatabase::*FunEmr)()const;
FunEmr *pFun= &(&AcDbDatabase::isEMR);
int iOff=GetEmrOff(*((int*)((int*) pFun )));
#endif
Data *pData=reinterpret_cast<Data *>(pDb);
char *cVal=reinterpret_cast<char *>(pData->m_pData);
int*iVal=(int*)&(cVal[iOff]);
iVal[0]=0;
if(pDb->isEMR())
{
abort();
}
else
OutputDebugString(TEXT("Ok\n"));
}
}
#ifdef _WIN64
int GetEmrOff(INT_PTR iEmr)
{
iEmr += 0x9;
int iOff=((int*)iEmr)[0];
iEmr += iOff+4;//得到import的isEMR
iOff=((int*)&((char*)iEmr)[2])[0];
iEmr+=iOff+0x6;
INT_PTR iAddr=((INT_PTR*)iEmr)[0];//得到data的isEMR
iAddr+=0x5;
iOff=((int*)iAddr)[0];
iAddr+=iOff+4;
iOff=((int*)iAddr+1)[0];
return iOff;
}
#else
int GetEmrOff(int iEmr)
{
int iOff=((int*)&((char*)iEmr)[2])[0];
INT_PTR iAddr=((int*)iOff)[0]; //得到data的isEMR
iAddr+=0x4;
iOff=((int*)iAddr)[0];
iAddr+=iOff+4;
iOff=((int*)iAddr+1)[0];
return iOff;
}
#endif
};
EmrReactor *pActor=NULL;
extern "C" __declspec( dllexport )
AcRx::AppRetCode acrxEntryPoint( AcRx::AppMsgCode msg, void *appId )
{
switch(msg)
{
case AcRx::kInitAppMsg:
acrxDynamicLinker->unlockApplication(appId);
acrxDynamicLinker->registerAppMDIAware(appId);
pActor=new EmrReactor;
acedEditor->addReactor(pActor);
break;
case AcRx::kUnloadAppMsg:
acedEditor->removeReactor(pActor);
break;
}
return AcRx::kRetOK;
}
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