mirror of
https://github.com/reactos/reactos.git
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181 lines
3.1 KiB
C
181 lines
3.1 KiB
C
/*
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* GDI object common header definition
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*
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*/
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#pragma once
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/* The first 10 entries are never used in windows, they are empty */
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static const unsigned RESERVE_ENTRIES_COUNT = 10;
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typedef struct _GDI_HANDLE_TABLE
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{
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/* The table must be located at the beginning of this structure so it can be
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* properly mapped!
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*/
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//////////////////////////////////////////////////////////////////////////////
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GDI_TABLE_ENTRY Entries[GDI_HANDLE_COUNT];
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DEVCAPS DevCaps; // Device Capabilities.
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FLONG flDeviceUniq; // Device settings uniqueness.
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PVOID pvLangPack; // Language Pack.
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CFONT cfPublic[GDI_CFONT_MAX]; // Public Fonts.
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DWORD dwCFCount;
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} GDI_HANDLE_TABLE, *PGDI_HANDLE_TABLE;
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extern PGDI_HANDLE_TABLE GdiHandleTable;
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typedef PVOID PGDIOBJ;
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typedef BOOL (NTAPI *GDICLEANUPPROC)(PVOID ObjectBody);
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/* Every GDI Object must have this standard type of header.
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* It's for thread locking. */
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typedef struct _BASEOBJECT
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{
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HGDIOBJ hHmgr;
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union {
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ULONG ulShareCount; /* For objects without a handle */
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DWORD dwThreadId; /* Exclusive lock owner */
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};
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USHORT cExclusiveLock;
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USHORT BaseFlags;
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EX_PUSH_LOCK pushlock;
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#if DBG_ENABLE_EVENT_LOGGING
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SLIST_HEADER slhLog;
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#endif
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} BASEOBJECT, *POBJ;
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enum BASEFLAGS
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{
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BASEFLAG_LOOKASIDE = 0x80,
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/* ReactOS specific: */
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BASEFLAG_READY_TO_DIE = 0x1000
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};
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typedef struct _CLIENTOBJ
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{
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BASEOBJECT BaseObject;
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} CLIENTOBJ, *PCLIENTOBJ;
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enum _GDIOBJLAGS
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{
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GDIOBJFLAG_DEFAULT = 0x00,
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GDIOBJFLAG_IGNOREPID = 0x01,
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GDIOBJFLAG_IGNORELOCK = 0x02
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};
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INIT_FUNCTION
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NTSTATUS
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NTAPI
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InitGdiHandleTable(VOID);
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BOOL
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NTAPI
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GreIsHandleValid(
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HGDIOBJ hobj);
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BOOL
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NTAPI
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GreDeleteObject(
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HGDIOBJ hObject);
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ULONG
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NTAPI
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GreGetObjectOwner(
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HGDIOBJ hobj);
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BOOL
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NTAPI
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GreSetObjectOwner(
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HGDIOBJ hobj,
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ULONG ulOwner);
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INT
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NTAPI
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GreGetObject(
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IN HGDIOBJ hobj,
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IN INT cbCount,
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IN PVOID pvBuffer);
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POBJ
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NTAPI
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GDIOBJ_AllocateObject(
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UCHAR objt,
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ULONG cjSize,
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FLONG fl);
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VOID
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NTAPI
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GDIOBJ_vDeleteObject(
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POBJ pobj);
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POBJ
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NTAPI
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GDIOBJ_ReferenceObjectByHandle(
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HGDIOBJ hobj,
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UCHAR objt);
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VOID
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NTAPI
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GDIOBJ_vReferenceObjectByPointer(
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POBJ pobj);
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VOID
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NTAPI
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GDIOBJ_vDereferenceObject(
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POBJ pobj);
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PGDIOBJ
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NTAPI
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GDIOBJ_LockObject(
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HGDIOBJ hobj,
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UCHAR objt);
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VOID
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NTAPI
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GDIOBJ_vUnlockObject(
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POBJ pobj);
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VOID
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NTAPI
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GDIOBJ_vSetObjectOwner(
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POBJ pobj,
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ULONG ulOwner);
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BOOL
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NTAPI
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GDIOBJ_bLockMultipleObjects(
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ULONG ulCount,
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HGDIOBJ* ahObj,
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PGDIOBJ* apObj,
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UCHAR objt);
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HGDIOBJ
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NTAPI
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GDIOBJ_hInsertObject(
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POBJ pobj,
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ULONG ulOwner);
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VOID
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NTAPI
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GDIOBJ_vFreeObject(
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POBJ pobj);
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VOID
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NTAPI
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GDIOBJ_vSetObjectAttr(
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POBJ pobj,
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PVOID pvObjAttr);
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PVOID
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NTAPI
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GDIOBJ_pvGetObjectAttr(
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POBJ pobj);
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BOOL NTAPI GDIOBJ_ConvertToStockObj(HGDIOBJ *hObj);
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POBJ NTAPI GDIOBJ_AllocObjWithHandle(ULONG ObjectType, ULONG cjSize);
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PGDIOBJ NTAPI GDIOBJ_ShareLockObj(HGDIOBJ hObj, DWORD ObjectType);
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PVOID NTAPI GDI_MapHandleTable(PEPROCESS Process);
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