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don't call win32k for GetObjectType() and query the information directly from the shared handle table

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svn path=/trunk/; revision=13632
This commit is contained in:
Thomas Bluemel 2005-02-18 15:13:02 +00:00
parent 2daefe4dcd
commit d10dba35e6
5 changed files with 106 additions and 3 deletions
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3
reactos/lib/gdi32/gdi32.def
View file

@ -358,7 +358,7 @@ GetMiterLimit@8
GetNearestColor@8=NtGdiGetNearestColor@8
GetNearestPaletteIndex@8=NtGdiGetNearestPaletteIndex@8
GetObjectA@12
GetObjectType@4=NtGdiGetObjectType@4
GetObjectType@4
GetObjectW@12
GetOutlineTextMetricsA@12
GetOutlineTextMetricsW@12
@ -560,4 +560,3 @@ bInitSystemAndFontsDirectoriesW@8
bMakePathNameW@16
;cGetTTFFromFOT
gdiPlaySpoolStream@24

5
reactos/lib/gdi32/include/precomp.h
View file

@ -36,6 +36,7 @@ typedef CHWIDTHINFO *PCHWIDTHINFO;
extern PGDI_TABLE_ENTRY GdiHandleTable;
extern HANDLE hProcessHeap;
extern HANDLE CurrentProcessId;
/* == HEAP ================================================================== */
@ -49,4 +50,8 @@ BOOL FASTCALL TextMetricW2A(TEXTMETRICA *tma, TEXTMETRICW *tmw);
BOOL FASTCALL NewTextMetricW2A(NEWTEXTMETRICA *tma, NEWTEXTMETRICW *tmw);
BOOL FASTCALL NewTextMetricExW2A(NEWTEXTMETRICEXA *tma, NEWTEXTMETRICEXW *tmw);
/* == GDI HANDLES =========================================================== */
BOOL GdiIsHandleValid(HGDIOBJ hGdiObj);
BOOL GdiGetHandleUserData(HGDIOBJ hGdiObj, PVOID *UserData);
/* EOF */

1
reactos/lib/gdi32/main/dllmain.c
View file

@ -33,6 +33,7 @@ GdiProcessSetup (VOID)
/* map the gdi handle table to user space */
GdiHandleTable = NtCurrentTeb()->Peb->GdiSharedHandleTable;
CurrentProcessId = NtCurrentTeb()->Cid.UniqueProcess;
}

30
reactos/lib/gdi32/misc/misc.c
View file

@ -29,6 +29,7 @@
#include "precomp.h"
PGDI_TABLE_ENTRY GdiHandleTable = NULL;
HANDLE CurrentProcessId = NULL;
/*
* @implemented
@ -39,3 +40,32 @@ GdiQueryTable(VOID)
{
return (PVOID)GdiHandleTable;
}
BOOL GdiIsHandleValid(HGDIOBJ hGdiObj)
{
PGDI_TABLE_ENTRY Entry = GdiHandleTable + GDI_HANDLE_GET_INDEX(hGdiObj);
if(Entry->KernelData != NULL && (Entry->Type & GDI_HANDLE_TYPE_MASK) == GDI_HANDLE_GET_TYPE(hGdiObj))
{
HANDLE pid = (HANDLE)((ULONG_PTR)Entry->ProcessId & ~0x1);
if(pid == NULL || pid == CurrentProcessId)
{
return TRUE;
}
}
return FALSE;
}
BOOL GdiGetHandleUserData(HGDIOBJ hGdiObj, PVOID *UserData)
{
PGDI_TABLE_ENTRY Entry = GdiHandleTable + GDI_HANDLE_GET_INDEX(hGdiObj);
if(Entry->KernelData != NULL && (Entry->Type & GDI_HANDLE_TYPE_MASK) == GDI_HANDLE_GET_TYPE(hGdiObj))
{
HANDLE pid = (HANDLE)((ULONG_PTR)Entry->ProcessId & ~0x1);
if(pid == NULL || pid == CurrentProcessId)
{
*UserData = Entry->UserData;
return TRUE;
}
}
return FALSE;
}

70
reactos/lib/gdi32/objects/dc.c
View file

@ -193,12 +193,14 @@ BOOL
STDCALL
DeleteObject(HGDIOBJ hObject)
{
if (0 != ((DWORD) hObject & 0x00800000))
if (0 != ((DWORD) hObject & GDI_HANDLE_STOCK_MASK))
{
DPRINT1("Trying to delete system object 0x%x\n", hObject);
return TRUE;
}
/* deleting a handle that doesn't belong to the caller should be rather rarely
so for the sake of speed just try to delete it without checking validity */
return NtGdiDeleteObject(hObject);
}
@ -400,3 +402,69 @@ StartDocW(
{
return NtGdiStartDoc ( hdc, (DOCINFOW *)a1 );
}
/*
* @implemented
*/
DWORD
STDCALL
GetObjectType(
HGDIOBJ h
)
{
DWORD Ret = 0;
if(GdiIsHandleValid(h))
{
LONG Type = GDI_HANDLE_GET_TYPE(h);
switch(Type)
{
case GDI_OBJECT_TYPE_PEN:
Ret = OBJ_PEN;
break;
case GDI_OBJECT_TYPE_BRUSH:
Ret = OBJ_BRUSH;
break;
case GDI_OBJECT_TYPE_BITMAP:
Ret = OBJ_BITMAP;
break;
case GDI_OBJECT_TYPE_FONT:
Ret = OBJ_FONT;
break;
case GDI_OBJECT_TYPE_PALETTE:
Ret = OBJ_PAL;
break;
case GDI_OBJECT_TYPE_REGION:
Ret = OBJ_REGION;
break;
case GDI_OBJECT_TYPE_DC:
Ret = OBJ_DC;
break;
case GDI_OBJECT_TYPE_METADC:
Ret = OBJ_METADC;
break;
case GDI_OBJECT_TYPE_METAFILE:
Ret = OBJ_METAFILE;
break;
case GDI_OBJECT_TYPE_ENHMETAFILE:
Ret = OBJ_ENHMETAFILE;
break;
case GDI_OBJECT_TYPE_ENHMETADC:
Ret = OBJ_ENHMETADC;
break;
case GDI_OBJECT_TYPE_EXTPEN:
Ret = OBJ_EXTPEN;
break;
case GDI_OBJECT_TYPE_MEMDC:
Ret = OBJ_MEMDC;
break;
default:
DPRINT1("GetObjectType: Magic 0x%08x not implemented\n", Type);
break;
}
}
return Ret;
}