subsystems/win32/win32k/include/gdiobj.h

   1 /*
   2  *  GDI object common header definition
   3  *
   4  */
   5
   6 #ifndef __WIN32K_GDIOBJ_H
   7 #define __WIN32K_GDIOBJ_H
   8
   9 /* Public GDI Object/Handle definitions */
  10 #include <win32k/ntgdihdl.h>
  11 #include "win32.h"
  12
  13 typedef struct _GDI_HANDLE_TABLE
  14 {
  15 /* The table must be located at the beginning of this structure so it can be
  16  * properly mapped!
  17  */
  18 //////////////////////////////////////////////////////////////////////////////
  19   GDI_TABLE_ENTRY Entries[GDI_HANDLE_COUNT];
  20   DEVCAPS         DevCaps;                 // Device Capabilities.
  21   FLONG           flDeviceUniq;            // Device settings uniqueness.
  22   PVOID           pvLangPack;              // Language Pack.
  23   CFONT           cfPublic[GDI_CFONT_MAX]; // Public Fonts.
  24   DWORD           dwCsbSupported1;         // OEM code-page bitfield.
  25 //////////////////////////////////////////////////////////////////////////////
  26   PPAGED_LOOKASIDE_LIST LookasideLists;
  27
  28   ULONG           FirstFree;
  29   ULONG           FirstUnused;
  30
  31 } GDI_HANDLE_TABLE, *PGDI_HANDLE_TABLE;
  32
  33 extern PGDI_HANDLE_TABLE GdiHandleTable;
  34
  35 typedef PVOID PGDIOBJ;
  36
  37 typedef BOOL (INTERNAL_CALL *GDICLEANUPPROC)(PVOID ObjectBody);
  38
  39 /* Every GDI Object must have this standard type of header.
  40  * It's for thread locking. */
  41 typedef struct _BASEOBJECT
  42 {
  43   HGDIOBJ     hHmgr;
  44   ULONG       ulShareCount;
  45   USHORT      cExclusiveLock;
  46   USHORT      BaseFlags;
  47   PW32THREAD  Tid;
  48 } BASEOBJECT, *POBJ;
  49
  50 typedef struct _CLIENTOBJ
  51 {
  52   BASEOBJECT BaseObject;
  53 } CLIENTOBJ, *PCLIENTOBJ;
  54
  55 enum BASEFLAGS
  56 {
  57     BASEFLAG_LOOKASIDE = 0x80
  58 };
  59
  60 BOOL    INTERNAL_CALL GDIOBJ_OwnedByCurrentProcess(HGDIOBJ ObjectHandle);
  61 BOOL    INTERNAL_CALL GDIOBJ_SetOwnership(HGDIOBJ ObjectHandle, PEPROCESS Owner);
  62 BOOL    INTERNAL_CALL GDIOBJ_CopyOwnership(HGDIOBJ CopyFrom, HGDIOBJ CopyTo);
  63 BOOL    INTERNAL_CALL GDIOBJ_ConvertToStockObj(HGDIOBJ *hObj);
  64 VOID    INTERNAL_CALL GDIOBJ_UnlockObjByPtr(POBJ Object);
  65 VOID    INTERNAL_CALL GDIOBJ_ShareUnlockObjByPtr(POBJ Object);
  66 BOOL    INTERNAL_CALL GDIOBJ_ValidateHandle(HGDIOBJ hObj, ULONG ObjectType);
  67 POBJ    INTERNAL_CALL GDIOBJ_AllocObj(UCHAR ObjectType);
  68 POBJ    INTERNAL_CALL GDIOBJ_AllocObjWithHandle(ULONG ObjectType);
  69 VOID    INTERNAL_CALL GDIOBJ_FreeObj (POBJ pObj, UCHAR ObjectType);
  70 BOOL    INTERNAL_CALL GDIOBJ_FreeObjByHandle (HGDIOBJ hObj, DWORD ObjectType);
  71 PGDIOBJ INTERNAL_CALL GDIOBJ_LockObj (HGDIOBJ hObj, DWORD ObjectType);
  72 PGDIOBJ INTERNAL_CALL GDIOBJ_ShareLockObj (HGDIOBJ hObj, DWORD ObjectType);
  73
  74 PVOID   INTERNAL_CALL GDI_MapHandleTable(PSECTION_OBJECT SectionObject, PEPROCESS Process);
  75
  76 #define GDIOBJ_GetObjectType(Handle) \
  77   GDI_HANDLE_GET_TYPE(Handle)
  78
  79 #define GDIOBJFLAG_DEFAULT      (0x0)
  80 #define GDIOBJFLAG_IGNOREPID    (0x1)
  81 #define GDIOBJFLAG_IGNORELOCK   (0x2)
  82
  83 BOOL FASTCALL  NtGdiDeleteObject(HGDIOBJ hObject);
  84 BOOL FASTCALL  IsObjectDead(HGDIOBJ);
  85 BOOL FASTCALL  IntGdiSetDCOwnerEx( HDC, DWORD, BOOL);
  86
  87 #endif