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Working Dc_Attr support, tested and it worked. Will plugin the rest later.

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svn path=/trunk/; revision=28756
This commit is contained in:
James Tabor 2007-09-02 07:59:12 +00:00
parent 108ae6fb76
commit 4a7979cd3e
2 changed files with 212 additions and 1 deletions
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5
reactos/subsystems/win32/win32k/include/dc.h
View file

@ -145,6 +145,7 @@ HDC FASTCALL DC_AllocDC(PUNICODE_STRING Driver);
VOID FASTCALL DC_InitDC(HDC DCToInit);
HDC FASTCALL DC_FindOpenDC(PUNICODE_STRING Driver);
VOID FASTCALL DC_FreeDC(HDC DCToFree);
VOID FASTCALL DC_FreeDcAttr(HDC);
BOOL INTERNAL_CALL DC_Cleanup(PVOID ObjectBody);
HDC FASTCALL DC_GetNextDC (PDC pDC);
VOID FASTCALL DC_SetNextDC (PDC pDC, HDC hNextDC);
@ -154,6 +155,10 @@ VOID FASTCALL DC_UpdateXforms(PDC dc);
BOOL FASTCALL DC_InvertXform(const XFORM *xformSrc, XFORM *xformDest);
BOOL FASTCALL DCU_UpdateUserXForms(PDC, ULONG);
BOOL FASTCALL DCU_SyncDcAttrtoUser(PDC, FLONG);
BOOL FASTCALL DCU_SynchDcAttrtoUser(HDC, FLONG);
BOOL FASTCALL DCU_SyncDcAttrtoW32k(PDC, FLONG);
BOOL FASTCALL DCU_SynchDcAttrtoW32k(HDC, FLONG);
VOID FASTCALL IntGetViewportExtEx(PDC dc, LPSIZE pt);
VOID FASTCALL IntGetViewportOrgEx(PDC dc, LPPOINT pt);

206
reactos/subsystems/win32/win32k/objects/dcutil.c
View file

@ -4,6 +4,121 @@
#define NDEBUG
#include <debug.h>
static
VOID
CopytoUserDcAttr(PDC dc, PDC_ATTR Dc_Attr, FLONG Dirty)
{
Dc_Attr->hpen = dc->Dc_Attr.hpen;
Dc_Attr->hbrush = dc->Dc_Attr.hbrush;
Dc_Attr->hColorSpace = dc->Dc_Attr.hColorSpace;
Dc_Attr->hlfntNew = dc->Dc_Attr.hlfntNew;
Dc_Attr->jROP2 = dc->Dc_Attr.jROP2;
Dc_Attr->jFillMode = dc->Dc_Attr.jFillMode;
Dc_Attr->jStretchBltMode = dc->Dc_Attr.jStretchBltMode;
Dc_Attr->lRelAbs = dc->Dc_Attr.lRelAbs;
Dc_Attr->jBkMode = dc->Dc_Attr.jBkMode;
Dc_Attr->crBackgroundClr = dc->Dc_Attr.crBackgroundClr;
Dc_Attr->ulBackgroundClr = dc->Dc_Attr.ulBackgroundClr;
Dc_Attr->crForegroundClr = dc->Dc_Attr.crForegroundClr;
Dc_Attr->ulForegroundClr = dc->Dc_Attr.ulForegroundClr;
Dc_Attr->ulBrushClr = dc->Dc_Attr.ulBrushClr;
Dc_Attr->crBrushClr = dc->Dc_Attr.crBrushClr;
Dc_Attr->ulPenClr = dc->Dc_Attr.ulPenClr;
Dc_Attr->crPenClr = dc->Dc_Attr.crPenClr;
Dc_Attr->ptlBrushOrigin.x = dc->Dc_Attr.ptlBrushOrigin.x;
Dc_Attr->ptlBrushOrigin.y = dc->Dc_Attr.ptlBrushOrigin.y;
Dc_Attr->lTextAlign = dc->Dc_Attr.lTextAlign;
Dc_Attr->lTextExtra = dc->Dc_Attr.lTextExtra;
Dc_Attr->cBreak = dc->Dc_Attr.cBreak;
Dc_Attr->lBreakExtra = dc->Dc_Attr.lBreakExtra;
Dc_Attr->iMapMode = dc->Dc_Attr.iMapMode;
Dc_Attr->iGraphicsMode = dc->Dc_Attr.iGraphicsMode;
Dc_Attr->ptlCurrent.x = dc->Dc_Attr.ptlCurrent.x;
Dc_Attr->ptlCurrent.y = dc->Dc_Attr.ptlCurrent.y;
Dc_Attr->ptlWindowOrg.x = dc->Dc_Attr.ptlWindowOrg.x;
Dc_Attr->ptlWindowOrg.y = dc->Dc_Attr.ptlWindowOrg.y;
Dc_Attr->szlWindowExt.cx = dc->Dc_Attr.szlWindowExt.cx;
Dc_Attr->szlWindowExt.cy = dc->Dc_Attr.szlWindowExt.cy;
Dc_Attr->ptlViewportOrg.x = dc->Dc_Attr.ptlViewportOrg.x;
Dc_Attr->ptlViewportOrg.y = dc->Dc_Attr.ptlViewportOrg.y;
Dc_Attr->szlViewportExt.cx = dc->Dc_Attr.szlViewportExt.cx;
Dc_Attr->szlViewportExt.cy = dc->Dc_Attr.szlViewportExt.cy;
Dc_Attr->ulDirty_ = 0; // Force to Zero!
}
static
VOID
CopyFromUserDcAttr(PDC dc, PDC_ATTR Dc_Attr, FLONG Dirty)
{
if ( (Dirty & DIRTY_FILL) || (Dc_Attr->ulDirty_ & DIRTY_FILL))
{
dc->Dc_Attr.ulBrushClr = Dc_Attr->ulBrushClr;
dc->Dc_Attr.crBrushClr = Dc_Attr->crBrushClr;
Dc_Attr->ulDirty_ &= ~DIRTY_FILL;
}
if ( Dirty & DIRTY_LINE || (Dc_Attr->ulDirty_ & DIRTY_LINE))
{
dc->Dc_Attr.ulPenClr = Dc_Attr->ulPenClr;
dc->Dc_Attr.crPenClr = Dc_Attr->crPenClr;
Dc_Attr->ulDirty_ &= ~DIRTY_LINE;
}
}
static
BOOL
ReadWriteVMDcAttr(PDC dc, FLONG Dirty, BOOL Write)
{
BOOL Ret = FALSE;
KeEnterCriticalRegion();
{
INT Index = GDI_HANDLE_GET_INDEX((HGDIOBJ)dc->hSelf);
PGDI_TABLE_ENTRY Entry = &GdiHandleTable->Entries[Index];
HANDLE ProcessId = (HANDLE)(((ULONG_PTR)(Entry->ProcessId)) & 0x0000ffff);
DC_ATTR lDc_AttrData;
if(Entry->UserData)
{
NTSTATUS Status = ZwReadVirtualMemory ( ProcessId,
&(Entry->UserData),
&lDc_AttrData,
sizeof(DC_ATTR),
NULL );
if (Write)
{
if (NT_SUCCESS(Status)) CopytoUserDcAttr(dc, &lDc_AttrData, Dirty);
Ret = TRUE;
}
else
{
if (NT_SUCCESS(Status)) CopyFromUserDcAttr(dc, &lDc_AttrData, Dirty);
Ret = TRUE;
}
if (Write)
Status = ZwWriteVirtualMemory ( ProcessId,
&(Entry->UserData),
&lDc_AttrData,
sizeof(DC_ATTR),
NULL );
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
Ret = FALSE;
}
}
}
KeLeaveCriticalRegion();
return Ret;
}
BOOL
FASTCALL
@ -47,6 +162,97 @@ DCU_UpdateUserXForms(PDC pDC, ULONG uMask)
return TRUE;
}
BOOL
FASTCALL
DCU_SyncDcAttrtoUser(PDC dc, FLONG Dirty)
{
BOOL TryHarder = FALSE;
PDC_ATTR Dc_Attr = dc->pDc_Attr;
if (!Dirty) return FALSE;
if (!Dc_Attr) return FALSE;
else
{
NTSTATUS Status = STATUS_SUCCESS;
_SEH_TRY
{
ProbeForWrite(Dc_Attr,
sizeof(DC_ATTR),
1);
CopytoUserDcAttr( dc, Dc_Attr, Dirty);
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if(!NT_SUCCESS(Status))
{
TryHarder = TRUE;
}
if (TryHarder)
{
return ReadWriteVMDcAttr( dc, Dirty, TRUE);
}
}
return TRUE;
}
BOOL
FASTCALL
DCU_SynchDcAttrtoUser(HDC hDC, FLONG Dirty)
{
PDC pDC = DC_LockDc ( hDC );
BOOL Ret = DCU_SyncDcAttrtoUser(pDC, Dirty);
DC_UnlockDc( pDC );
return Ret;
}
BOOL
FASTCALL
DCU_SyncDcAttrtoW32k(PDC dc, FLONG Dirty)
{
BOOL TryHarder = FALSE;
PDC_ATTR Dc_Attr = dc->pDc_Attr;
if (!Dirty) return FALSE;
if (!Dc_Attr) return FALSE;
else
{
NTSTATUS Status = STATUS_SUCCESS;
_SEH_TRY
{
ProbeForRead(Dc_Attr,
sizeof(DC_ATTR),
1);
CopyFromUserDcAttr( dc, Dc_Attr, Dirty);
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if(!NT_SUCCESS(Status))
{
TryHarder = TRUE;
}
if (TryHarder)
{
return ReadWriteVMDcAttr( dc, Dirty, FALSE);
}
}
return TRUE;
}
BOOL
FASTCALL
DCU_SynchDcAttrtoW32k(HDC hDC, FLONG Dirty)
{
PDC pDC = DC_LockDc ( hDC );
BOOL Ret = DCU_SyncDcAttrtoW32k(pDC, Dirty);
DC_UnlockDc( pDC );
return Ret;
}
VOID
APIENTRY