subsystems/win32/win32k/include/gdiobj.h

   1 /*
   2  *  GDI object common header definition
   3  *
   4  */
   5
   6 #pragma once
   7
   8 /* Public GDI Object/Handle definitions */
   9 #include <win32k/ntgdihdl.h>
  10 #include "win32.h"
  11
  12 /* The first 10 entries are never used in windows, they are empty */
  13 #define RESERVE_ENTRIES_COUNT 10
  14
  15 typedef struct _GDI_HANDLE_TABLE
  16 {
  17 /* The table must be located at the beginning of this structure so it can be
  18  * properly mapped!
  19  */
  20 //////////////////////////////////////////////////////////////////////////////
  21   GDI_TABLE_ENTRY Entries[GDI_HANDLE_COUNT];
  22   DEVCAPS         DevCaps;                 // Device Capabilities.
  23   FLONG           flDeviceUniq;            // Device settings uniqueness.
  24   PVOID           pvLangPack;              // Language Pack.
  25   CFONT           cfPublic[GDI_CFONT_MAX]; // Public Fonts.
  26   DWORD           dwCFCount;
  27
  28
  29 } GDI_HANDLE_TABLE, *PGDI_HANDLE_TABLE;
  30
  31 extern PGDI_HANDLE_TABLE GdiHandleTable;
  32
  33 typedef PVOID PGDIOBJ;
  34
  35 typedef BOOL (INTERNAL_CALL *GDICLEANUPPROC)(PVOID ObjectBody);
  36
  37 /* Every GDI Object must have this standard type of header.
  38  * It's for thread locking. */
  39 typedef struct _BASEOBJECT
  40 {
  41     HGDIOBJ hHmgr;
  42     union {
  43         ULONG ulShareCount; /* For objects without a handle */
  44         DWORD dwThreadId;   /* Exclusive lock owner */
  45     };
  46     USHORT cExclusiveLock;
  47     USHORT BaseFlags;
  48     EX_PUSH_LOCK pushlock;
  49 #if DBG_ENABLE_EVENT_LOGGING
  50     SLIST_HEADER slhLog;
  51 #endif
  52 } BASEOBJECT, *POBJ;
  53
  54 enum BASEFLAGS
  55 {
  56     BASEFLAG_LOOKASIDE = 0x80,
  57
  58     /* ReactOS specific: */
  59     BASEFLAG_READY_TO_DIE = 0x1000
  60 };
  61
  62 typedef struct _CLIENTOBJ
  63 {
  64   BASEOBJECT BaseObject;
  65 } CLIENTOBJ, *PCLIENTOBJ;
  66
  67 #define GDIOBJFLAG_DEFAULT      (0x0)
  68 #define GDIOBJFLAG_IGNOREPID    (0x1)
  69 #define GDIOBJFLAG_IGNORELOCK   (0x2)
  70
  71 INIT_FUNCTION
  72 NTSTATUS
  73 NTAPI
  74 InitGdiHandleTable(VOID);
  75
  76 BOOL
  77 NTAPI
  78 GreIsHandleValid(
  79     HGDIOBJ hobj);
  80
  81 BOOL
  82 NTAPI
  83 GreDeleteObject(
  84     HGDIOBJ hObject);
  85
  86 ULONG
  87 NTAPI
  88 GreGetObjectOwner(
  89     HGDIOBJ hobj);
  90
  91 BOOL
  92 NTAPI
  93 GreSetObjectOwner(
  94     HGDIOBJ hobj,
  95     ULONG ulOwner);
  96
  97 INT
  98 NTAPI
  99 GreGetObject(
 100     IN HGDIOBJ hobj,
 101     IN INT cbCount,
 102     IN PVOID pvBuffer);
 103
 104 POBJ
 105 NTAPI
 106 GDIOBJ_AllocateObject(
 107     UCHAR objt,
 108     ULONG cjSize,
 109     FLONG fl);
 110
 111 VOID
 112 NTAPI
 113 GDIOBJ_vDeleteObject(
 114     POBJ pobj);
 115
 116 POBJ
 117 NTAPI
 118 GDIOBJ_ReferenceObjectByHandle(
 119     HGDIOBJ hobj,
 120     UCHAR objt);
 121
 122 VOID
 123 NTAPI
 124 GDIOBJ_vReferenceObjectByPointer(
 125     POBJ pobj);
 126
 127 VOID
 128 NTAPI
 129 GDIOBJ_vDereferenceObject(
 130     POBJ pobj);
 131
 132 PGDIOBJ
 133 NTAPI
 134 GDIOBJ_LockObject(
 135     HGDIOBJ hobj,
 136     UCHAR objt);
 137
 138 VOID
 139 NTAPI
 140 GDIOBJ_vUnlockObject(
 141     POBJ pobj);
 142
 143 VOID
 144 NTAPI
 145 GDIOBJ_vSetObjectOwner(
 146     POBJ pobj,
 147     ULONG ulOwner);
 148
 149 BOOL
 150 NTAPI
 151 GDIOBJ_bLockMultipleObjects(
 152     ULONG ulCount,
 153     HGDIOBJ* ahObj,
 154     PGDIOBJ* apObj,
 155     UCHAR objt);
 156
 157 HGDIOBJ
 158 NTAPI
 159 GDIOBJ_hInsertObject(
 160     POBJ pobj,
 161     ULONG ulOwner);
 162
 163 VOID
 164 NTAPI
 165 GDIOBJ_vFreeObject(
 166     POBJ pobj);
 167
 168 VOID
 169 NTAPI
 170 GDIOBJ_vSetObjectAttr(
 171     POBJ pobj,
 172     PVOID pvObjAttr);
 173
 174 PVOID
 175 NTAPI
 176 GDIOBJ_pvGetObjectAttr(
 177     POBJ pobj);
 178
 179 BOOL    INTERNAL_CALL GDIOBJ_ConvertToStockObj(HGDIOBJ *hObj);
 180 POBJ    INTERNAL_CALL GDIOBJ_AllocObjWithHandle(ULONG ObjectType, ULONG cjSize);
 181 PGDIOBJ INTERNAL_CALL GDIOBJ_ShareLockObj(HGDIOBJ hObj, DWORD ObjectType);
 182 PVOID   INTERNAL_CALL GDI_MapHandleTable(PEPROCESS Process);
 183