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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #include "windef.h"
  25 #include "winerror.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "winnls.h"
  30 #include "objbase.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  34
  35 /***********************************************************************
  36  *              OleMetafilePictFromIconAndLabel (OLE32.@)
  37  */
  38 HGLOBAL WINAPI OleMetafilePictFromIconAndLabel(HICON hIcon, LPOLESTR lpszLabel,
  39                                                LPOLESTR lpszSourceFile, UINT iIconIndex)
  40 {
  41         METAFILEPICT mfp;
  42         HDC hdc;
  43         UINT dy;
  44         HGLOBAL hmem = NULL;
  45         LPVOID mfdata;
  46         static const char szIconOnly[] = "IconOnly";
  47
  48         TRACE("%p %p %s %d\n", hIcon, lpszLabel, debugstr_w(lpszSourceFile), iIconIndex);
  49
  50         if( !hIcon )
  51                 return NULL;
  52
  53         hdc = CreateMetaFileW(NULL);
  54         if( !hdc )
  55                 return NULL;
  56
  57         ExtEscape(hdc, MFCOMMENT, sizeof(szIconOnly), szIconOnly, 0, NULL);
  58
  59         /* FIXME: things are drawn in the wrong place */
  60         DrawIcon(hdc, 0, 0, hIcon);
  61         dy = GetSystemMetrics(SM_CXICON);
  62         if(lpszLabel)
  63                 TextOutW(hdc, 0, dy, lpszLabel, lstrlenW(lpszLabel));
  64
  65         if (lpszSourceFile)
  66         {
  67                 char szIconIndex[10];
  68                 int path_length = WideCharToMultiByte(CP_ACP,0,lpszSourceFile,-1,NULL,0,NULL,NULL);
  69                 if (path_length > 1)
  70                 {
  71                         char * szPath = CoTaskMemAlloc(path_length * sizeof(CHAR));
  72                         if (szPath)
  73                         {
  74                                 WideCharToMultiByte(CP_ACP,0,lpszSourceFile,-1,szPath,path_length,NULL,NULL);
  75                                 ExtEscape(hdc, MFCOMMENT, path_length, szPath, 0, NULL);
  76                                 CoTaskMemFree(szPath);
  77                         }
  78                 }
  79                 snprintf(szIconIndex, 10, "%u", iIconIndex);
  80                 ExtEscape(hdc, MFCOMMENT, strlen(szIconIndex)+1, szIconIndex, 0, NULL);
  81         }
  82
  83         mfp.mm = MM_ISOTROPIC;
  84         mfp.xExt = mfp.yExt = 0; /* FIXME ? */
  85         mfp.hMF = CloseMetaFile(hdc);
  86         if( !mfp.hMF )
  87                 return NULL;
  88
  89         hmem = GlobalAlloc( GMEM_MOVEABLE, sizeof(mfp) );
  90         if( !hmem )
  91         {
  92                 DeleteMetaFile(mfp.hMF);
  93                 return NULL;
  94         }
  95
  96         mfdata = GlobalLock( hmem );
  97         if( !mfdata )
  98         {
  99                 GlobalFree( hmem );
 100                 DeleteMetaFile(mfp.hMF);
 101                 return NULL;
 102         }
 103
 104         memcpy(mfdata,&mfp,sizeof(mfp));
 105         GlobalUnlock( hmem );
 106
 107         TRACE("returning %p\n",hmem);
 108
 109         return hmem;
 110 }