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170 lines
3.4 KiB
170 lines
3.4 KiB
/*++
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Copyright (c) 1996-1999 Microsoft Corporation
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Module Name
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dllinit.cxx
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Abstract:
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Author:
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Mark Enstrom (marke) 23-Jun-1996
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Enviornment:
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User Mode
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Revision History:
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--*/
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#include "precomp.hxx"
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#pragma hdrstop
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INT gbCheckHandleLevel = 0;
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OSVERSIONINFO Win32VersionInformation;
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PFNTRANSBLT gpfnTransparentBlt;
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PFNTRANSDIB gpfnTransparentDIBits;
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PFNGRFILL gpfnGradientFill;
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PFNALPHABLEND gpfnAlphaBlend;
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PFNALPHADIB gpfnAlphaDIB;
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//PFN_GETSURFACEFROMDC pfnGetSurfaceFromDC;
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extern "C" {
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BOOLEAN
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DllInitialize(
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PVOID pvDllHandle,
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ULONG ulReason,
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PCONTEXT pcontext
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);
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}
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/*++
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Routine Description:
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Arguments
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Return Value
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--*/
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BOOLEAN
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DllInitialize(
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PVOID pvDllHandle,
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ULONG ulReason,
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PCONTEXT pcontext)
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{
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NTSTATUS status = 0;
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INT i;
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BOOLEAN fServer;
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PTEB pteb = NtCurrentTeb();
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BOOL bRet = TRUE;
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HMODULE hlib, hddrawlib;
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switch (ulReason)
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{
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case DLL_PROCESS_ATTACH:
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//
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// determine os version
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//
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Win32VersionInformation.dwOSVersionInfoSize = sizeof(Win32VersionInformation);
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if (!GetVersionEx(&Win32VersionInformation))
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{
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//
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// default win95
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//
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Win32VersionInformation.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
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}
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//
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// resolve API enrty points
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//
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#if !(_WIN32_WINNT >= 0x500)
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hlib=LoadLibrary (TEXT("gdi32.dll"));
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gpfnTransparentBlt = (PFNTRANSBLT)GetProcAddress (hlib, "GdiTransparentBlt");
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if (!gpfnTransparentBlt)
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{
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gpfnTransparentBlt = WinTransparentBlt;
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}
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gpfnTransparentDIBits = (PFNTRANSDIB)GetProcAddress (hlib, "GdiTransparentDIBits");
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if (!gpfnTransparentDIBits)
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{
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gpfnTransparentDIBits = WinTransparentDIBits;
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}
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gpfnGradientFill = (PFNGRFILL)GetProcAddress (hlib, "GdiGradientFill");
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if (!gpfnGradientFill)
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{
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gpfnGradientFill = WinGradientFill;
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}
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gpfnAlphaBlend = (PFNALPHABLEND)GetProcAddress (hlib, "GdiAlphaBlend");
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if (!gpfnAlphaBlend)
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{
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gpfnAlphaBlend = WinAlphaBlend;
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}
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gpfnAlphaDIB = (PFNALPHADIB)GetProcAddress (hlib, "GdiAlphaDIBBlend");
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if (!gpfnAlphaDIB)
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{
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gpfnAlphaDIB = WinAlphaDIBBlend;
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}
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FreeLibrary(hlib);
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//hddrawlib = GetModuleHandleA("ddraw");
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//pfnGetSurfaceFromDC = (PFN_GETSURFACEFROMDC)GetProcAddress(hddrawlib, "GetSurfaceFromDC");
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#else
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gpfnTransparentBlt = GdiTransparentBlt;
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gpfnTransparentDIBits = GdiTransparentDIBits;
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gpfnGradientFill = GdiGradientFill;
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gpfnAlphaBlend = GdiAlphaBlend;
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gpfnAlphaDIB = GdiAlphaDIBBlend;
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#endif
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#if 0
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gpfnAlphaDIB = WinAlphaDIBBlend;
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gpfnAlphaBlend = WinAlphaBlend;
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gpfnGradientFill = WinGradientFill;
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gpfnTransparentDIBits = WinTransparentDIBits;
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gpfnTransparentBlt = WinTransparentBlt;
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#endif
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case DLL_THREAD_ATTACH:
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break;
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case DLL_PROCESS_DETACH:
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case DLL_THREAD_DETACH:
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break;
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}
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return(bRet);
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pvDllHandle;
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pcontext;
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}
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