win32ss/gdi/gdi32/main/dllmain.c

   1 /*
   2  * dllmain.c
   3  *
   4  * $Revision: 1.11 $
   5  * $Author$
   6  * $Date$
   7  *
   8  */
   9
  10 #include "precomp.h"
  11
  12 extern HGDIOBJ stock_objects[];
  13 BOOL SetStockObjects = FALSE;
  14 PDEVCAPS GdiDevCaps = NULL;
  15 PGDIHANDLECACHE GdiHandleCache = NULL;
  16 BOOL gbLpk = FALSE;
  17 RTL_CRITICAL_SECTION semLocal;
  18
  19 /*
  20  * GDI32.DLL does have an entry point for disable threadlibrarycall,. The initialization is done by a call
  21  * to GdiDllInitialize(). This call is done from the entry point of USER32.DLL.
  22  */
  23 BOOL
  24 WINAPI
  25 DllMain (
  26     HANDLE  hDll,
  27     DWORD   dwReason,
  28     LPVOID  lpReserved)
  29 {
  30     switch (dwReason)
  31     {
  32     case DLL_PROCESS_ATTACH :
  33         DisableThreadLibraryCalls(hDll);
  34         break;
  35
  36     default:
  37         break;
  38     }
  39     return TRUE;
  40 }
  41
  42
  43 VOID
  44 WINAPI
  45 GdiProcessSetup (VOID)
  46 {
  47     hProcessHeap = GetProcessHeap();
  48
  49     /* map the gdi handle table to user space */
  50     GdiHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
  51     GdiSharedHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
  52     GdiDevCaps = &GdiSharedHandleTable->DevCaps;
  53     CurrentProcessId = NtCurrentTeb()->ClientId.UniqueProcess;
  54     GDI_BatchLimit = (DWORD) NtCurrentTeb()->ProcessEnvironmentBlock->GdiDCAttributeList;
  55     GdiHandleCache = (PGDIHANDLECACHE)NtCurrentTeb()->ProcessEnvironmentBlock->GdiHandleBuffer;
  56     RtlInitializeCriticalSection(&semLocal);
  57 }
  58
  59
  60 /*
  61  * @implemented
  62  */
  63 BOOL
  64 WINAPI
  65 GdiDllInitialize (
  66     HANDLE hDll,
  67     DWORD dwReason,
  68     LPVOID lpReserved)
  69 {
  70     switch (dwReason)
  71     {
  72     case DLL_PROCESS_ATTACH:
  73         GdiProcessSetup ();
  74         break;
  75
  76     case DLL_THREAD_ATTACH:
  77         NtCurrentTeb()->GdiTebBatch.Offset = 0;
  78         NtCurrentTeb()->GdiBatchCount = 0;
  79         break;
  80
  81     default:
  82         return FALSE;
  83     }
  84
  85     // Very simple, the list will fill itself as it is needed.
  86     if(!SetStockObjects)
  87     {
  88         RtlZeroMemory( &stock_objects, NB_STOCK_OBJECTS); //Assume Ros is dirty.
  89         SetStockObjects = TRUE;
  90     }
  91
  92     return TRUE;
  93 }
  94
  95 /* EOF */