open_toontown_panda3d/panda/src/windisplay/winGraphicsPipe.cxx

74 lines
2.3 KiB
C++

// Filename: winGraphicsPipe.cxx
// Created by: drose (20Dec02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "winGraphicsPipe.h"
#include "config_windisplay.h"
TypeHandle WinGraphicsPipe::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: WinGraphicsPipe::Constructor
// Access: Public
// Description:
////////////////////////////////////////////////////////////////////
WinGraphicsPipe::
WinGraphicsPipe() {
_supported_types = OT_window | OT_fullscreen_window;
// these fns arent defined on win95, so get dynamic ptrs to them
// to avoid ugly DLL loader failures on w95
_pfnTrackMouseEvent = NULL;
_hUser32 = (HINSTANCE)LoadLibrary("user32.dll");
if (_hUser32 != NULL) {
_pfnTrackMouseEvent =
(PFN_TRACKMOUSEEVENT)GetProcAddress(_hUser32, "TrackMouseEvent");
}
}
////////////////////////////////////////////////////////////////////
// Function: WinGraphicsPipe::Destructor
// Access: Public, Virtual
// Description:
////////////////////////////////////////////////////////////////////
WinGraphicsPipe::
~WinGraphicsPipe() {
if (_hUser32 != NULL) {
FreeLibrary(_hUser32);
_hUser32 = NULL;
}
}
bool MyGetProcAddr(HINSTANCE hDLL, FARPROC *pFn, const char *szExportedFnName) {
*pFn = (FARPROC) GetProcAddress(hDLL, szExportedFnName);
if (*pFn == NULL) {
windisplay_cat.error() << "GetProcAddr failed for " << szExportedFnName << ", error=" << GetLastError() <<endl;
return false;
}
return true;
}
bool MyLoadLib(HINSTANCE &hDLL, const char *DLLname) {
hDLL = LoadLibrary(DLLname);
if(hDLL == NULL) {
windisplay_cat.error() << "LoadLibrary failed for " << DLLname << ", error=" << GetLastError() <<endl;
return false;
}
return true;
}