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 <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winerror.h"
  25 #include "winbase.h"
  26 #include "wingdi.h"
  27 #include "winuser.h"
  28 #include "ole32_main.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  32
  33 HINSTANCE OLE32_hInstance = 0;
  34
  35 /***********************************************************************
  36  *              OleMetafilePictFromIconAndLabel (OLE32.115)
  37  */
  38 HGLOBAL WINAPI OleMetafilePictFromIconAndLabel(HICON hIcon, LPOLESTR lpszLabel,
  39                                                LPOLESTR lpszSourceFile, UINT iIconIndex)
  40 {
  41         HMETAFILE hmf;
  42         HDC hdc;
  43         UINT dy, mfsize;
  44         HGLOBAL hmem = 0;
  45         LPVOID mfdata;
  46
  47         TRACE("%p %p %p %d\n", hIcon, lpszLabel, lpszSourceFile, iIconIndex);
  48
  49         if( !hIcon )
  50                 return 0;
  51
  52         hdc = CreateMetaFileW(NULL);
  53         if( !hdc )
  54                 return 0;
  55
  56         /* FIXME: things are drawn in the wrong place */
  57         DrawIcon(hdc, 0, 0, hIcon);
  58         dy = GetSystemMetrics(SM_CXICON);
  59         if(lpszLabel)
  60                 TextOutW(hdc, 0, dy, lpszLabel, lstrlenW(lpszLabel));
  61
  62         hmf = CloseMetaFile(hdc);
  63         if( !hmf )
  64                 return 0;
  65
  66         mfsize = GetMetaFileBitsEx( hmf, 0, NULL);
  67         if( !mfsize )
  68                 goto end;
  69
  70         hmem = GlobalAlloc( GMEM_MOVEABLE, mfsize );
  71         if( !hmem )
  72                 goto end;
  73
  74         mfdata = GlobalLock( hmem );
  75         if( !mfdata )
  76         {
  77                 GlobalFree( hmem );
  78                 hmem = 0;
  79                 goto end;
  80         }
  81
  82         GetMetaFileBitsEx( hmf, mfsize, mfdata );
  83         GlobalUnlock( hmem );
  84 end:
  85         DeleteMetaFile(hmf);
  86
  87         TRACE("returning %p\n",hmem);
  88
  89         return hmem;
  90 }
  91
  92
  93 /***********************************************************************
  94  *              DllMain (OLE32.@)
  95  */
  96 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  97 {
  98     TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
  99
 100     switch(fdwReason) {
 101     case DLL_PROCESS_ATTACH:
 102         DisableThreadLibraryCalls(hinstDLL);
 103         OLE32_hInstance = hinstDLL;
 104         COMPOBJ_InitProcess();
 105         if (TRACE_ON(ole)) CoRegisterMallocSpy((LPVOID)-1);
 106         break;
 107
 108     case DLL_PROCESS_DETACH:
 109         if (TRACE_ON(ole)) CoRevokeMallocSpy();
 110         COMPOBJ_UninitProcess();
 111         OLE32_hInstance = 0;
 112         break;
 113     }
 114     return TRUE;
 115 }
 116
 117 /* NOTE: DllRegisterServer and DllUnregisterServer are in regsvr.c */