reactos/win32ss/gdi/ntgdi/baseobj.hpp

   1
   2 #pragma once
   3
   4 #define GDIOBJ_POOL_TAG(type) ('00hG' + (((type) & 0x1f) << 24))
   5
   6 #define BASEOBJECT CBASEOBJECT
   7
   8 class BASEOBJECT : private _BASEOBJECT
   9 {
  10 public:
  11
  12     enum OWNER
  13     {
  14         POWNED = GDI_OBJ_HMGR_POWNED,
  15         PUBLIC = GDI_OBJ_HMGR_PUBLIC,
  16         NONE = GDI_OBJ_HMGR_NONE
  17     };
  18
  19 protected:
  20
  21     BASEOBJECT(
  22         _In_ GDILOOBJTYPE loobjtype)
  23     {
  24         /* Initialize the object */
  25         _BASEOBJECT::hHmgr = (HGDIOBJ)(ULONG_PTR)loobjtype;
  26         this->cExclusiveLock = 0;
  27         this->ulShareCount = 1;
  28         this->BaseFlags = 0;//fl & 0xffff;
  29         DBG_INITLOG(&this->slhLog);
  30         DBG_LOGEVENT(&this->slhLog, EVENT_ALLOCATE, 0);
  31     #if DBG_ENABLE_GDIOBJ_BACKTRACES
  32         DbgCaptureStackBackTace(this->apvBackTrace, 1, GDI_OBJECT_STACK_LEVELS);
  33     #endif /* GDI_DEBUG */
  34     }
  35
  36     static
  37     BASEOBJECT*
  38     LockExclusive(
  39         HGDIOBJ hobj,
  40         GDIOBJTYPE objtype);
  41
  42     static
  43     BASEOBJECT*
  44     LockExclusive(
  45         HGDIOBJ hobj,
  46         GDILOOBJTYPE loobjtype);
  47
  48     static
  49     BASEOBJECT*
  50     LockShared(
  51         HGDIOBJ hobj,
  52         GDILOOBJTYPE loobjtype,
  53         OWNER owner)
  54     {
  55         return 0;
  56     }
  57
  58     VOID
  59     vSetObjectAttr(
  60         _In_opt_ PVOID pvUserAttr)
  61     {
  62         GDIOBJ_vSetObjectAttr((POBJ)this, pvUserAttr);
  63     }
  64
  65
  66 public:
  67
  68     static
  69     inline
  70     PVOID
  71     pvAllocate(
  72         _In_ GDIOBJTYPE objtype,
  73         _In_ SIZE_T cjSize)
  74     {
  75         return ExAllocatePoolWithTag(PagedPool, cjSize, GDIOBJ_POOL_TAG(objtype));
  76     }
  77
  78     VOID
  79     vUnlock(
  80         VOID)
  81     {
  82         if (this->cExclusiveLock > 0)
  83         {
  84             GDIOBJ_vUnlockObject(this);
  85         }
  86         else
  87         {
  88             GDIOBJ_vDereferenceObject(this);
  89         }
  90     }
  91
  92     inline
  93     HGDIOBJ
  94     hHmgr(
  95         VOID)
  96     {
  97         return _BASEOBJECT::hHmgr;
  98     }
  99
 100     HGDIOBJ
 101     hInsertObject(
 102         OWNER owner)
 103     {
 104         return GDIOBJ_hInsertObject(this, owner);
 105     }
 106
 107 };
 108
 109