windows-nt/Source/XPSP1/NT/multimedia/directx/dxvb/dx7vb/dienumeffectsobj.cpp
2020-09-26 16:20:57 +08:00

187 lines
3.7 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1999 - 1999
//
// File: dienumeffectsobj.cpp
//
//--------------------------------------------------------------------------
#define DIRECTINPUT_VERSION 0x0500
#include "stdafx.h"
#include "Direct.h"
#include "dms.h"
#include "dIEnumEffectsObj.h"
extern BSTR DINPUTGUIDtoBSTR(LPGUID pGuid);
extern HRESULT DINPUTBSTRtoGUID(LPGUID pGuid,BSTR bstr);
////////////////////////////////////////////////////////////////////////////
extern "C" BOOL CALLBACK objEnumInputEffectsCallback(
LPCDIEFFECTINFO pdei,
LPVOID lpArg
)
{
DPF(1,"Entered objEnumInputEffectsCallback\r\n");
if (!pdei) return FALSE;
C_dxj_DirectInputEnumEffectsObject *pObj=(C_dxj_DirectInputEnumEffectsObject*)lpArg;
if (pObj==NULL) return FALSE;
if (pObj->m_nCount >= pObj->m_nMax)
{
pObj->m_nMax += 10;
if (pObj->m_pList){
pObj->m_pList=(DIEFFECTINFO*)realloc(pObj->m_pList,sizeof(DIEFFECTINFO)* pObj->m_nMax);
}
else {
pObj->m_pList=(DIEFFECTINFO*)malloc( sizeof(DIEFFECTINFO)* pObj->m_nMax);
}
if (pObj->m_pList==NULL)
{
pObj->m_bProblem=TRUE;
return FALSE;
}
}
memcpy(&(pObj->m_pList[pObj->m_nCount]),pdei,sizeof(DIEFFECTINFO));
DPF1(1,"objEnumInputEffects '%s'\n",pdei->tszName);
pObj->m_nCount++;
return TRUE;
}
C_dxj_DirectInputEnumEffectsObject::C_dxj_DirectInputEnumEffectsObject()
{
m_nMax=0;
m_pList=NULL;
m_nCount=0;
m_bProblem=FALSE;
}
C_dxj_DirectInputEnumEffectsObject::~C_dxj_DirectInputEnumEffectsObject()
{
//empty list
if (m_pList) free(m_pList);
}
HRESULT C_dxj_DirectInputEnumEffectsObject::create(LPDIRECTINPUTDEVICE2 pDI,long effectType,I_dxj_DirectInputEnumEffects **ppRet)
{
HRESULT hr;
C_dxj_DirectInputEnumEffectsObject *pNew=NULL;
*ppRet=NULL;
pNew= new CComObject<C_dxj_DirectInputEnumEffectsObject>;
if (!pNew) return E_OUTOFMEMORY;
pNew->m_bProblem=FALSE;
hr = pDI->EnumEffects(
objEnumInputEffectsCallback,
(void*)pNew,
(DWORD) effectType);
if (pNew->m_bProblem) hr=E_OUTOFMEMORY;
if FAILED(hr)
{
if (pNew->m_pList) free(pNew->m_pList);
delete pNew;
return hr;
}
hr=pNew->QueryInterface(IID_I_dxj_DirectInputEnumEffects,(void**)ppRet);
return hr;
}
HRESULT C_dxj_DirectInputEnumEffectsObject::getEffectGuid( long index, BSTR *ret)
{
if (m_pList==NULL) return E_FAIL;
if (index < 1) return E_INVALIDARG;
if (index > m_nCount) return E_INVALIDARG;
*ret=DINPUTGUIDtoBSTR(&(m_pList[index-1].guid));
return S_OK;
}
HRESULT C_dxj_DirectInputEnumEffectsObject::getName( long index, BSTR *ret)
{
if (m_pList==NULL) return E_FAIL;
if (index < 1) return E_INVALIDARG;
if (index > m_nCount) return E_INVALIDARG;
USES_CONVERSION;
*ret=T2BSTR(m_pList[index-1].tszName);
return S_OK;
}
HRESULT C_dxj_DirectInputEnumEffectsObject::getType( long index, long *ret)
{
if (m_pList==NULL) return E_FAIL;
if (index < 1) return E_INVALIDARG;
if (index > m_nCount) return E_INVALIDARG;
*ret=(long)m_pList[index-1].dwEffType;
return S_OK;
}
HRESULT C_dxj_DirectInputEnumEffectsObject::getStaticParams( long index, long *ret)
{
if (m_pList==NULL) return E_FAIL;
if (index < 1) return E_INVALIDARG;
if (index > m_nCount) return E_INVALIDARG;
*ret=(long)m_pList[index-1].dwStaticParams;
return S_OK;
}
HRESULT C_dxj_DirectInputEnumEffectsObject::getDynamicParams( long index, long *ret)
{
if (m_pList==NULL) return E_FAIL;
if (index < 1) return E_INVALIDARG;
if (index > m_nCount) return E_INVALIDARG;
*ret=(long)m_pList[index-1].dwDynamicParams;
return S_OK;
}
HRESULT C_dxj_DirectInputEnumEffectsObject::getCount(long *retVal)
{
*retVal=m_nCount;
return S_OK;
}