dlls/ole32/ole32_main.c

   1 /*
   2  *  OLE32 Initialization
   3  *
   4  * Copyright 2000 Huw D M Davies for Codeweavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "windef.h"
  22 #include "winerror.h"
  23 #include "winbase.h"
  24 #include "wingdi.h"
  25 #include "winuser.h"
  26 #include "ole32_main.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  30
  31 HINSTANCE OLE32_hInstance = 0;
  32
  33 /***********************************************************************
  34  *              OleMetafilePictFromIconAndLabel (OLE32.115)
  35  */
  36 HGLOBAL WINAPI OleMetafilePictFromIconAndLabel(HICON hIcon, LPOLESTR lpszLabel,
  37                                                LPOLESTR lpszSourceFile, UINT iIconIndex)
  38 {
  39         HMETAFILE hmf;
  40         HDC hdc;
  41         UINT dy, mfsize;
  42         HGLOBAL hmem = 0;
  43         LPVOID mfdata;
  44
  45         TRACE("%p %p %p %d\n", hIcon, lpszLabel, lpszSourceFile, iIconIndex);
  46
  47         if( !hIcon )
  48                 return 0;
  49
  50         hdc = CreateMetaFileW(NULL);
  51         if( !hdc )
  52                 return 0;
  53
  54         /* FIXME: things are drawn in the wrong place */
  55         DrawIcon(hdc, 0, 0, hIcon);
  56         dy = GetSystemMetrics(SM_CXICON);
  57         if(lpszLabel)
  58                 TextOutW(hdc, 0, dy, lpszLabel, lstrlenW(lpszLabel));
  59
  60         hmf = CloseMetaFile(hdc);
  61         if( !hmf )
  62                 return 0;
  63
  64         mfsize = GetMetaFileBitsEx( hmf, 0, NULL);
  65         if( !mfsize )
  66                 goto end;
  67
  68         hmem = GlobalAlloc( GMEM_MOVEABLE, mfsize );
  69         if( !hmem )
  70                 goto end;
  71
  72         mfdata = GlobalLock( hmem );
  73         if( !mfdata )
  74         {
  75                 GlobalFree( hmem );
  76                 hmem = 0;
  77                 goto end;
  78         }
  79
  80         GetMetaFileBitsEx( hmf, mfsize, mfdata );
  81         GlobalUnlock( hmem );
  82 end:
  83         DeleteMetaFile(hmf);
  84
  85         TRACE("returning %p\n",hmem);
  86
  87         return hmem;
  88 }
  89
  90
  91 /***********************************************************************
  92  *              DllMain (OLE32.@)
  93  */
  94 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  95 {
  96     TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
  97
  98     switch(fdwReason) {
  99     case DLL_PROCESS_ATTACH:
 100         DisableThreadLibraryCalls(hinstDLL);
 101         OLE32_hInstance = hinstDLL;
 102         COMPOBJ_InitProcess();
 103         if (TRACE_ON(ole)) CoRegisterMallocSpy((LPVOID)-1);
 104         break;
 105
 106     case DLL_PROCESS_DETACH:
 107         if (TRACE_ON(ole)) CoRevokeMallocSpy();
 108         COMPOBJ_UninitProcess();
 109         OLE32_hInstance = 0;
 110         break;
 111     }
 112     return TRUE;
 113 }
 114
 115 /* NOTE: DllRegisterServer and DllUnregisterServer are in regsvr.c */