Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1998 - 1999
//
// File: ddraw4obj.cpp
//
//--------------------------------------------------------------------------
// dDrawObj.cpp : Implementation of CDirectApp and DLL registration.
#include "stdafx.h"
#include "Direct.h"
#include "dms.h"
#include "DDraw4Obj.h"
#include "ddClipperObj.h"
#include "ddSurface4Obj.h"
#include "ddPaletteObj.h"
#include "ddEnumModesObj.h"
#include "ddEnumSurfacesObj.h"
#include "d3d7Obj.h"
extern BOOL is4Bit;
extern HRESULT CopyInDDSurfaceDesc2(DDSURFACEDESC2 *,DDSurfaceDesc2*);
extern HRESULT CopyOutDDSurfaceDesc2(DDSurfaceDesc2*,DDSURFACEDESC2 *);
///////////////////////////////////////////////////////////////////
// InternalAddRef
///////////////////////////////////////////////////////////////////
DWORD C_dxj_DirectDraw4Object::InternalAddRef(){
DWORD i;
i=CComObjectRoot::InternalAddRef();
DPF2(1,"DDraw4 [%d] AddRef %d \n",creationid,i);
return i;
}
///////////////////////////////////////////////////////////////////
// InternalRelease
///////////////////////////////////////////////////////////////////
DWORD C_dxj_DirectDraw4Object::InternalRelease(){
DWORD i;
i=CComObjectRoot::InternalRelease();
DPF2(1,"DDraw4 [%d] Release %d \n",creationid,i);
return i;
}
///////////////////////////////////////////////////////////////////
// C_dxj_DirectDraw4Object
///////////////////////////////////////////////////////////////////
C_dxj_DirectDraw4Object::C_dxj_DirectDraw4Object(){
DPF1(1,"Constructor Creation DirectDraw4Object[%d] \n ",g_creationcount);
m__dxj_DirectDraw4= NULL;
parent = NULL;
pinterface = NULL;
nextobj = g_dxj_DirectDraw4;
creationid = ++g_creationcount;
g_dxj_DirectDraw4 = (void *)this;
m_hwnd=NULL;
}
///////////////////////////////////////////////////////////////////
// ~C_dxj_DirectDraw4Object
///////////////////////////////////////////////////////////////////
C_dxj_DirectDraw4Object::~C_dxj_DirectDraw4Object()
{
DPF(1,"Entering ~DirectDraw4Object destructor \n");
C_dxj_DirectDraw4Object *prev=NULL;
for(C_dxj_DirectDraw4Object *ptr=(C_dxj_DirectDraw4Object *)g_dxj_DirectDraw4; ptr; ptr=(C_dxj_DirectDraw4Object *)ptr->nextobj)
{
if(ptr == this)
{
if(prev)
prev->nextobj = ptr->nextobj;
else
g_dxj_DirectDraw4 = (void*)ptr->nextobj;
DPF(1," DirectDraw4Object found in g_dxj list now removed\n");
break;
}
prev = ptr;
}
if(m__dxj_DirectDraw4){
int count = IUNK(m__dxj_DirectDraw4)->Release();
DPF1(1,"DirectX IDirectDraw4 Ref count [%d] \n",count);
if(count==0) m__dxj_DirectDraw4 = NULL;
}
if(parent) IUNK(parent)->Release();
}
///////////////////////////////////////////////////////////////////
// InternalGetObject
// InternalSetObject
// restoreDisplayMode
// flipToGDISurface
// setDisplayMode
///////////////////////////////////////////////////////////////////
GETSET_OBJECT(_dxj_DirectDraw4);
PASS_THROUGH_R(_dxj_DirectDraw4, restoreDisplayMode, RestoreDisplayMode)
PASS_THROUGH_R(_dxj_DirectDraw4, flipToGDISurface, FlipToGDISurface)
PASS_THROUGH5_R(_dxj_DirectDraw4, setDisplayMode, SetDisplayMode, long,long,long,long,long)
///////////////////////////////////////////////////////////////////
// getMonitorFrequency
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getMonitorFrequency(long *ret)
{
HRESULT hr;
hr=m__dxj_DirectDraw4->GetMonitorFrequency((DWORD*)ret);
return hr;
}
///////////////////////////////////////////////////////////////////
// getGDISurface
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getGDISurface(I_dxj_DirectDrawSurface4 **rv)
{
LPDIRECTDRAWSURFACE4 lp4=NULL;
if ( is4Bit )
return E_FAIL;
*rv = NULL;
HRESULT hr = DD_OK;
if( ( hr=m__dxj_DirectDraw4->GetGDISurface(&lp4) ) != DD_OK)
return hr;
INTERNAL_CREATE(_dxj_DirectDrawSurface4, lp4, rv);
return hr;
}
///////////////////////////////////////////////////////////////////
// getVerticalBlankStatus
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getVerticalBlankStatus( long *status)
{
if ( is4Bit )
return E_FAIL;
return m__dxj_DirectDraw4->GetVerticalBlankStatus((int *)status);
}
///////////////////////////////////////////////////////////////////
// setCooperativeLevel
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::setCooperativeLevel( HWnd hwn, long flags)
{
if ( is4Bit )
return E_FAIL;
m_hwnd = (HWND)hwn;
return m__dxj_DirectDraw4->SetCooperativeLevel((HWND)hwn, (DWORD)flags);
}
///////////////////////////////////////////////////////////////////
// waitForVerticalBlank
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::waitForVerticalBlank(long flags,long handle, long *status)
{
if ( is4Bit )
return E_FAIL;
*status = m__dxj_DirectDraw4->WaitForVerticalBlank(flags, (void *)handle);
return S_OK;
}
///////////////////////////////////////////////////////////////////
// createClipper
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::createClipper(long flags, I_dxj_DirectDrawClipper **val)
{
if ( is4Bit )
return E_FAIL;
DPF1(1,"enter DDraw4[%d]::createClipper ",creationid);
//
// need to create one of MY surfaces!
//
LPDIRECTDRAWCLIPPER ddc;
HRESULT hr = DD_OK;
if( (hr=m__dxj_DirectDraw4->CreateClipper( flags, &ddc, NULL)) != DD_OK )
return hr;
INTERNAL_CREATE(_dxj_DirectDrawClipper, ddc, val);
DPF1(1,"exit DDraw4[%d]::createClipper ",creationid);
return hr;
}
///////////////////////////////////////////////////////////////////
// createPalette
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::createPalette(long flags, SAFEARRAY **pe, I_dxj_DirectDrawPalette **val)
{
LPPALETTEENTRY ppe;
if ( is4Bit )
return E_FAIL;
if (!ISSAFEARRAY1D(pe,(DWORD)256)) return E_INVALIDARG;
ppe = (LPPALETTEENTRY)((SAFEARRAY*)*pe)->pvData;
LPDIRECTDRAWPALETTE ddp;
HRESULT hr = DD_OK;
*val = NULL;
if( (hr=m__dxj_DirectDraw4->CreatePalette( flags, (LPPALETTEENTRY)ppe, &ddp, NULL)) == DD_OK )
{
INTERNAL_CREATE( _dxj_DirectDrawPalette, ddp, val);
}
return hr;
}
///////////////////////////////////////////////////////////////////
// createSurface
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::createSurface(DDSurfaceDesc2 *dd, I_dxj_DirectDrawSurface4 **retval)
{
HRESULT retv;
LPDIRECTDRAWSURFACE4 dds4; // DirectX object pointer
DDSURFACEDESC2 ddsd;
DPF1(1,"enter DDraw4[%d]::createSurface ",creationid);
if ( is4Bit )
return E_FAIL;
if(! (dd && retval) )
return E_POINTER;
CopyInDDSurfaceDesc2(&ddsd,dd);
//docdoc: CreateSurface returns error if 'punk' is anything but NULL
retv = m__dxj_DirectDraw4->CreateSurface( &ddsd, &dds4, NULL);
if FAILED(retv) return retv;
INTERNAL_CREATE(_dxj_DirectDrawSurface4, dds4, retval);
dd->lpSurface = NULL;
DPF1(1,"exit DDraw4[%d]::createSurface ",creationid);
return S_OK;
}
///////////////////////////////////////////////////////////////////
// duplicateSurface
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::duplicateSurface(I_dxj_DirectDrawSurface4 *ddIn, I_dxj_DirectDrawSurface4 **ddOut)
{
HRESULT retval;
if ( is4Bit )
return E_FAIL;
//
// need to create one of MY surfaces!
//
LPDIRECTDRAWSURFACE4 lpddout4=NULL;
DO_GETOBJECT_NOTNULL( LPDIRECTDRAWSURFACE4, lpddin, ddIn);
if( (retval = m__dxj_DirectDraw4->DuplicateSurface(lpddin, &lpddout4)) != DD_OK )
return retval;
INTERNAL_CREATE( _dxj_DirectDrawSurface4, lpddout4, ddOut);
return S_OK;
}
///////////////////////////////////////////////////////////////////
// getCaps
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getCaps(DDCaps *driverCaps, DDCaps *HELcaps)
{
if ( is4Bit )
return E_FAIL;
if (!driverCaps) return E_INVALIDARG;
if (!HELcaps) return E_INVALIDARG;
((DDCAPS*)driverCaps)->dwSize=sizeof(DDCAPS);
((DDCAPS*)HELcaps)->dwSize=sizeof(DDCAPS);
HRESULT hr = m__dxj_DirectDraw4->GetCaps((DDCAPS*)driverCaps, (DDCAPS*)HELcaps);
return hr;
}
///////////////////////////////////////////////////////////////////
// getDisplayMode
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getDisplayMode(DDSurfaceDesc2 *desc)
{
HRESULT retval;
DDSURFACEDESC2 ddsd;
if (!desc) return E_INVALIDARG;
CopyInDDSurfaceDesc2(&ddsd,desc);
retval = m__dxj_DirectDraw4->GetDisplayMode(&ddsd);
if( retval != S_OK)
return retval;
CopyOutDDSurfaceDesc2(desc,&ddsd);
desc->lpSurface = NULL;
return S_OK;
}
///////////////////////////////////////////////////////////////////
// getAvailableTotalMem
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getAvailableTotalMem(DDSCaps2 *ddsCaps, long *m)
{
return m__dxj_DirectDraw4->GetAvailableVidMem((LPDDSCAPS2)ddsCaps, (unsigned long *)m, NULL);
}
///////////////////////////////////////////////////////////////////
// getFreeMem
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getFreeMem(DDSCaps2 *ddsCaps, long *m)
{
return m__dxj_DirectDraw4->GetAvailableVidMem((LPDDSCAPS2)ddsCaps, NULL, (unsigned long *)m);
}
///////////////////////////////////////////////////////////////////
// getNumFourCCCodes
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getNumFourCCCodes(long *retval)
{
return m__dxj_DirectDraw4->GetFourCCCodes((DWORD*)retval, NULL);
}
///////////////////////////////////////////////////////////////////
// getScanLine
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getScanLine(long *lines, long *status)
{
*status = (long)m__dxj_DirectDraw4->GetScanLine((DWORD*)lines);
return S_OK;
}
///////////////////////////////////////////////////////////////////
// loadPaletteFromBitmap
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::loadPaletteFromBitmap(BSTR bName, I_dxj_DirectDrawPalette **retval)
{
USES_CONVERSION;
IDirectDrawPalette* ddpal;
int i;
int n;
int fh;
HRSRC h;
LPBITMAPINFOHEADER lpbi;
PALETTEENTRY ape[256];
RGBQUAD * prgb;
HRESULT hr=S_OK;
if ( is4Bit ) return E_FAIL;
LPCTSTR szBitmap = NULL;
__try { szBitmap = W2T(bName); /* Now convert to ANSI */ } __except(EXCEPTION_EXECUTE_HANDLER) { return E_FAIL; }
for (i=0; i<256; i++) // build a 332 palette as the default
{
ape[i].peRed = (BYTE)(((i >> 5) & 0x07) * 255 / 7);
ape[i].peGreen = (BYTE)(((i >> 2) & 0x07) * 255 / 7);
ape[i].peBlue = (BYTE)(((i >> 0) & 0x03) * 255 / 3);
ape[i].peFlags = (BYTE)0;
}
//
// get a pointer to the bitmap resource.
//
if (szBitmap && (h = FindResource(NULL, szBitmap, RT_BITMAP)))
{
lpbi = (LPBITMAPINFOHEADER)LockResource(LoadResource(NULL, h));
if (!lpbi){
DPF(1,"lock resource failed\n");
return E_OUTOFMEMORY; // error return...
}
prgb = (RGBQUAD*)((BYTE*)lpbi + lpbi->biSize);
if (lpbi == NULL || lpbi->biSize < sizeof(BITMAPINFOHEADER))
n = 0;
else if (lpbi->biBitCount > 8)
n = 0;
else if (lpbi->biClrUsed == 0)
n = 1 << lpbi->biBitCount;
else
n = lpbi->biClrUsed;
//
// a DIB color table has its colors stored BGR not RGB
// so flip them around.
//
for(i=0; i<n; i++ )
{
ape[i].peRed = prgb[i].rgbRed;
ape[i].peGreen = prgb[i].rgbGreen;
ape[i].peBlue = prgb[i].rgbBlue;
ape[i].peFlags = 0;
}
}
else if (szBitmap && (fh = _lopen(szBitmap, OF_READ)) != -1)
{
BITMAPFILEHEADER bf;
BITMAPINFOHEADER bi;
_lread(fh, &bf, sizeof(bf));
_lread(fh, &bi, sizeof(bi));
_lread(fh, ape, sizeof(ape));
_lclose(fh);
if (bi.biSize != sizeof(BITMAPINFOHEADER))
n = 0;
else if (bi.biBitCount > 8)
n = 0;
else if (bi.biClrUsed == 0)
n = 1 << bi.biBitCount;
else
n = bi.biClrUsed;
//
// a DIB color table has its colors stored BGR not RGB
// so flip them around.
//
for(i=0; i<n; i++ )
{
BYTE r = ape[i].peRed;
ape[i].peRed = ape[i].peBlue;
ape[i].peBlue = r;
}
}
m__dxj_DirectDraw4->CreatePalette(DDPCAPS_8BIT, ape, &ddpal, NULL);
if( ddpal )
{
INTERNAL_CREATE(_dxj_DirectDrawPalette, ddpal, retval);
}
else
{
//
// no object, set the return value to NULL as well.
//
*retval = NULL;
hr = E_FAIL;
}
return hr;
}
///////////////////////////////////////////////////////////////////
// createSurfaceFromFile
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::createSurfaceFromFile(BSTR file, DDSurfaceDesc2 *desc, I_dxj_DirectDrawSurface4 **surf)
{
DPF1(1,"enter DDraw4[%d]::createSurfaceFromFile ",creationid);
HDC hdc;
HDC hdcImage;
BITMAP bm;
HRESULT hr;
HBITMAP hbm;
HRESULT retv;
LPDIRECTDRAWSURFACE4 dds4; // DirectX object pointer
LPSTR szFileName=NULL;
int width=0;
int height=0;
if ( is4Bit )
return E_FAIL;
if(! (desc && surf) )
return E_POINTER;
USES_CONVERSION;
__try { szFileName=W2T(file); } __except(EXCEPTION_EXECUTE_HANDLER) { return E_FAIL; }
//If width and height are zero then we will generate our own width and
//height from the bitmap.
//The LoadImage api however doesnt work propery without size params
//Consider there must be a way to make it work.
if ((desc->lWidth!=0)&&(desc->lHeight!=0)&&(desc->lFlags & DDSD_WIDTH)&&(desc->lFlags & DDSD_HEIGHT))
{
width=desc->lWidth ;
height=desc->lHeight;
}
if (desc->lFlags==0) {
desc->lFlags=DDSD_CAPS;
((DDSURFACEDESC*)desc)->ddsCaps.dwCaps=DDSCAPS_OFFSCREENPLAIN;
}
if (!szFileName) return CTL_E_FILENOTFOUND;
hbm = (HBITMAP)LoadImage((HINSTANCE)NULL, szFileName, IMAGE_BITMAP,
width, height,
LR_LOADFROMFILE|LR_CREATEDIBSECTION);
if (!hbm) return CTL_E_FILENOTFOUND;
// get size of the bitmap
//
GetObject(hbm, sizeof(bm), &bm); // get size of bitmap
width=bm.bmWidth;
height=bm.bmHeight;
desc->lFlags = desc->lFlags | DDSD_WIDTH | DDSD_HEIGHT;
if ((desc->lWidth==0)||(desc->lHeight==0))
{
desc->lWidth =width;
desc->lHeight =height;
}
DDSURFACEDESC2 ddsd;
CopyInDDSurfaceDesc2(&ddsd,desc);
if( (retv = m__dxj_DirectDraw4->CreateSurface(&ddsd, &dds4, NULL)) != DD_OK )
return retv;
CopyOutDDSurfaceDesc2(desc,&ddsd);
INTERNAL_CREATE(_dxj_DirectDrawSurface4, dds4, surf);
desc->lpSurface = NULL;
//
// make sure this surface is restored.
//
dds4->Restore();
//
// select bitmap into a memoryDC so we can use it.
//
hdcImage = CreateCompatibleDC(NULL);
SelectObject(hdcImage, hbm);
if (!hdcImage){
DeleteObject(hbm);
return E_FAIL;
}
if ((hr = dds4->GetDC(&hdc)) == DD_OK)
{
StretchBlt(hdc, 0, 0, desc->lWidth , desc->lHeight, hdcImage,
0, 0, width, height, SRCCOPY);
dds4->ReleaseDC(hdc);
}
DeleteDC(hdcImage);
if (hbm) DeleteObject(hbm);
DPF1(buffer,"exit DDraw4[%d]::createSurfaceFromFile",creationid);
return S_OK;
}
///////////////////////////////////////////////////////////////////
// createSurfaceFromResource
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::createSurfaceFromResource(BSTR resFile, BSTR resourceName, DDSurfaceDesc2 *desc, I_dxj_DirectDrawSurface4 **surf)
{
DPF1(1,"enter DDraw4[%d]::createSurfaceFromResource ",creationid);
if ( is4Bit )
return E_FAIL;
if(! (desc && surf) )
return E_POINTER;
HRESULT hr;
HRSRC hres=NULL;
HGLOBAL hglob=NULL;
HDC hdc;
HDC hdcImage;
BITMAP bm;
HBITMAP hbm;
HRESULT retv;
LPDIRECTDRAWSURFACE4 dds4; // DirectX object pointer
LPSTR szResName=NULL;
if (!resourceName) return E_INVALIDARG;
if (!surf) return E_INVALIDARG;
HMODULE hMod=NULL;
USES_CONVERSION;
if ((resFile) &&(resFile[0]!=0)){
// NOTE: we used to call
// GetModuleHandleW but it returned 0 on w98
// so we use the ANSI version which works on w98
LPCTSTR pszName = NULL;
__try { pszName = W2T(resFile); /* Now convert to ANSI */ } __except(EXCEPTION_EXECUTE_HANDLER) { return E_FAIL; }
hMod= GetModuleHandle(pszName);
}
else {
hMod= GetModuleHandle(NULL);
}
LPCTSTR pszName2 = NULL;
__try { pszName2 = W2T(resourceName); /* Now convert to ANSI */ } __except(EXCEPTION_EXECUTE_HANDLER) { return E_FAIL; }
hbm = (HBITMAP)LoadImage((HINSTANCE)hMod,
pszName2,
IMAGE_BITMAP,
0, 0,
LR_CREATEDIBSECTION);
if (!hbm){
return E_FAIL;
}
// get size of the bitmap
//
GetObject(hbm, sizeof(bm), &bm); // get size of bitmap
DWORD width=bm.bmWidth;
DWORD height=bm.bmHeight;
desc->lFlags = desc->lFlags | DDSD_WIDTH | DDSD_HEIGHT;
if ((desc->lWidth==0)||(desc->lHeight==0))
{
desc->lWidth =width;
desc->lHeight =height;
}
DDSURFACEDESC2 ddsd;
CopyInDDSurfaceDesc2(&ddsd,desc);
if( (retv = m__dxj_DirectDraw4->CreateSurface(&ddsd, &dds4, NULL)) != DD_OK )
{
if (hbm) DeleteObject(hbm);
return retv;
}
CopyOutDDSurfaceDesc2(desc,&ddsd);
INTERNAL_CREATE(_dxj_DirectDrawSurface4, dds4, surf);
desc->lpSurface = NULL;
//
// make sure this surface is restored.
//
dds4->Restore();
//
// select bitmap into a memoryDC so we can use it.
//
hdcImage = CreateCompatibleDC(NULL);
if (!hdcImage){
DeleteObject(hbm);
return E_OUTOFMEMORY;
}
SelectObject(hdcImage, hbm);
if ((hr = dds4->GetDC(&hdc)) == DD_OK)
{
StretchBlt(hdc, 0, 0, desc->lWidth , desc->lHeight, hdcImage,
0, 0, width, height, SRCCOPY);
dds4->ReleaseDC(hdc);
}
DeleteDC(hdcImage);
if (hbm) DeleteObject(hbm);
DPF1(1r,"exit DDraw4[%d]::createSurfaceFromFile",creationid);
return S_OK;
}
///////////////////////////////////////////////////////////////////
// getFourCCCodes
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getFourCCCodes(SAFEARRAY **ppsa)
{
DWORD count= ((SAFEARRAY*)*ppsa)->rgsabound[0].cElements;
if ( ((SAFEARRAY*)*ppsa)->cDims!=1) return E_INVALIDARG;
return m__dxj_DirectDraw4->GetFourCCCodes(&count,(DWORD*)((SAFEARRAY*)*ppsa)->pvData);
}
///////////////////////////////////////////////////////////////////
// getDisplayModesEnum
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::getDisplayModesEnum(
/* [in] */ long flags,
/* [in] */ DDSurfaceDesc2 *ddsd,
/* [retval][out] */ I_dxj_DirectDrawEnumModes __RPC_FAR *__RPC_FAR *retval)
{
HRESULT hr;
hr=C_dxj_DirectDrawEnumModesObject::create(m__dxj_DirectDraw4,flags, ddsd, retval);
return hr;
}
///////////////////////////////////////////////////////////////////
// testCooperativeLevel
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::testCooperativeLevel(
/* [in,out] */ long *status)
{
HRESULT hr;
hr=m__dxj_DirectDraw4->TestCooperativeLevel();
*status=(long)hr;
return S_OK;
}
///////////////////////////////////////////////////////////////////
// restoreAllSurfaces
///////////////////////////////////////////////////////////////////
STDMETHODIMP C_dxj_DirectDraw4Object::restoreAllSurfaces()
{
HRESULT hr;
hr=m__dxj_DirectDraw4->RestoreAllSurfaces();
return hr;
}
STDMETHODIMP C_dxj_DirectDraw4Object::getSurfaceFromDC(long hdc, I_dxj_DirectDrawSurface4 **ret)
{
HRESULT hr;
LPDIRECTDRAWSURFACE4 pDDS=NULL;
hr=m__dxj_DirectDraw4->GetSurfaceFromDC((HDC)hdc,&pDDS);
if FAILED(hr) return hr;
INTERNAL_CREATE(_dxj_DirectDrawSurface4,pDDS,ret);
return hr;
}