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Diffstat (limited to 'print/XpsRasFilter/src/dllentry.cpp')
| -rw-r--r-- | print/XpsRasFilter/src/dllentry.cpp | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/print/XpsRasFilter/src/dllentry.cpp b/print/XpsRasFilter/src/dllentry.cpp deleted file mode 100644 index 8e19ae16..00000000 --- a/print/XpsRasFilter/src/dllentry.cpp +++ /dev/null @@ -1,326 +0,0 @@ -// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF -// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO -// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A -// PARTICULAR PURPOSE. -// -// Copyright (c) Microsoft Corporation. All rights reserved -// -// File Name: -// -// dllentry.cpp -// -// Abstract: -// -// Xps Rasterization Service filter DLL entry points. -// - -#include "precomp.h" -#include "WppTrace.h" -#include "Exception.h" -#include "filtertypes.h" -#include "UnknownBase.h" -#include "xpsrasfilter.h" - -#include "dllentry.tmh" - -namespace xpsrasfilter -{ - -// -// Class Factory returned by DllGetClassObject() -// -class __declspec( uuid("CFF7BE69-E62D-403b-BE4F-48EC73F5DA1A") ) XPSRasFilterFactory : public UnknownBase<IClassFactory> -{ -public: - XPSRasFilterFactory() : - m_serverLocks(0) - { - ::InterlockedIncrement(&XPSRasFilter::ms_numObjects); - } - - ~XPSRasFilterFactory() - { - ::InterlockedDecrement(&XPSRasFilter::ms_numObjects); - } - - // - //Routine Name: - // - // XPSRasFilterFactory::CreateInstance - // - //Routine Description: - // - // Returns an instance of XPSRasFilter. - // - //Arguments: - // - // pUnkOuter - Outer class (must be NULL) - // riid - Requested interface (IPrintPipelineFilter) - // ppvObject - Pointer to the requested interface - // - //Return Value: - // - // HRESULT - // S_OK - On success - // Otherwise - Failure - // - HRESULT - STDMETHODCALLTYPE - CreateInstance( - IUnknown *pUnkOuter, - REFIID riid, - void **ppvObject - ) - { - HRESULT hr = S_OK; - - if (pUnkOuter != NULL) - { - WPP_LOG_ON_FAILED_HRESULT(CLASS_E_NOAGGREGATION); - - return CLASS_E_NOAGGREGATION; - } - - if (ppvObject == NULL) - { - WPP_LOG_ON_FAILED_HRESULT(E_POINTER); - - return E_POINTER; - } - - *ppvObject = NULL; - - xpsrasfilter::XPSRasFilter *pFilter = NULL; - - // - // XpsRasFilter::XpsRasFilter() can throw, as can new - // - try - { - DoTraceMessage(XPSRASFILTER_TRACE_INFO, L"Instantiating filter"); - pFilter = new xpsrasfilter::XPSRasFilter(); - } - CATCH_VARIOUS(hr) - - if (SUCCEEDED(hr)) - { - WPP_LOG_ON_FAILED_HRESULT( - hr = pFilter->QueryInterface(riid, ppvObject) - ); - - pFilter->Release(); - } - - return hr; - } - - // - //Routine Name: - // - // XPSRasFilterFactory::LockServer - // - //Routine Description: - // - // Allows clients to lock the filter factory in - // memory. - // - //Arguments: - // - // fLock - TRUE - lock; FALSE - unlock - // - //Return Value: - // - // HRESULT - // S_OK - On success - // - HRESULT - STDMETHODCALLTYPE - LockServer( - BOOL fLock - ) - { - LONG result; - - if (fLock) // lock - { - result = ::InterlockedIncrement(&m_serverLocks); - - if (result == 1) - { - // - // This was the first 'lock' call; increment the - // global numObjects - // - ::InterlockedIncrement(&XPSRasFilter::ms_numObjects); - } - } - else // unlock - { - result = ::InterlockedDecrement(&m_serverLocks); - - if (result == 0) - { - // - // All locks have been unlocked; decrement the - // global numObjects - // - ::InterlockedDecrement(&XPSRasFilter::ms_numObjects); - } - } - - return S_OK; - } - -private: - volatile LONG m_serverLocks; -}; - -} // namespace xpsrasfilter - -// -//Routine Name: -// -// DllGetClassObject -// -//Routine Description: -// -// Returns an instance of XPSRasFilterFactory. -// -//Arguments: -// -// rclsid - Requested class (XPSRasFilter) -// riid - Requested interface (IClassFactory) -// ppv - Pointer to the requested interface -// -//Return Value: -// -// HRESULT -// S_OK - On success -// Otherwise - Failure -// -STDAPI -DllGetClassObject( - _In_ REFCLSID rclsid, - _In_ REFIID riid, - _Outptr_ LPVOID *ppv - ) -{ - HRESULT hr = S_OK; - - if (ppv == NULL) - { - WPP_LOG_ON_FAILED_HRESULT(E_POINTER); - - return E_POINTER; - } - - *ppv = NULL; - - if (rclsid != __uuidof(xpsrasfilter::XPSRasFilterFactory)) - { - WPP_LOG_ON_FAILED_HRESULT(CLASS_E_CLASSNOTAVAILABLE); - - return CLASS_E_CLASSNOTAVAILABLE; - } - - DoTraceMessage(XPSRASFILTER_TRACE_INFO, L"Instantiating class factory"); - - xpsrasfilter::XPSRasFilterFactory *pFactory = NULL; - pFactory = new(std::nothrow) xpsrasfilter::XPSRasFilterFactory(); - - if (pFactory == NULL) - { - WPP_LOG_ON_FAILED_HRESULT(E_OUTOFMEMORY); - - hr = E_OUTOFMEMORY; - } - - if (SUCCEEDED(hr)) - { - WPP_LOG_ON_FAILED_HRESULT( - hr = pFactory->QueryInterface(riid, ppv) - ); - - pFactory->Release(); - } - - return hr; -} - -// -//Routine Name: -// -// DllCanUnloadNow -// -//Routine Description: -// -// Checks whether the DLL can be unloaded. That is, -// whether there are any instances of XPSRasFilter. -// -//Arguments: -// -// None -// -//Return Value: -// -// HRESULT -// S_OK - Can unload. -// Otherwise - Cannot unload. -// -STDAPI -DllCanUnloadNow() -{ - return (0 == xpsrasfilter::XPSRasFilter::ms_numObjects) ? S_OK : S_FALSE; -} - -// -//Routine Name: -// -// DllMain -// -//Routine Description: -// -// Initializes WPP tracing when the DLL is loaded -// and cleans up WPP tracing when the DLL is unloaded. -// -//Arguments: -// -// None -// -//Return Value: -// -// HRESULT -// S_OK - On success. -// Otherwise - Otherwise. -// -extern "C" -BOOL -WINAPI -DllMain( - _In_ HINSTANCE hinstDLL, - _In_ DWORD fdwReason, - _In_opt_ LPVOID /*lpvReserved*/ - ) -{ - switch(fdwReason) - { - case DLL_PROCESS_ATTACH: - - ::DisableThreadLibraryCalls(hinstDLL); - - WPP_INIT_TRACING(L"XpsRasFilter"); - DoTraceMessage(XPSRASFILTER_TRACE_INFO, L"DLL_PROCESS_ATTACH"); - - break; - - case DLL_PROCESS_DETACH: - - DoTraceMessage(XPSRASFILTER_TRACE_INFO, L"DLL_PROCESS_DETACH"); - WPP_CLEANUP(); - - break; - } - - return TRUE; -} - |