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Implement NtGdiOpenDCW.

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svn path=/trunk/; revision=26570
This commit is contained in:
James Tabor 2007-04-29 02:02:17 +00:00
parent a0d7f57718
commit d05f5dec2f
1 changed files with 91 additions and 14 deletions
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105
reactos/subsystems/win32/win32k/objects/dc.c
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@ -1063,16 +1063,62 @@ NtGdiCreateIC(PUNICODE_STRING Driver,
}
HDC STDCALL
NtGdiOpenDCW( PUNICODE_STRING pustrDevice,
DEVMODEW *pdm,
NtGdiOpenDCW( PUNICODE_STRING Device,
DEVMODEW *InitData,
PUNICODE_STRING pustrLogAddr,
ULONG iType,
HANDLE hspool,
VOID *pDriverInfo2,
VOID *pUMdhpdev )
{
UNIMPLEMENTED;
return 0;
UNICODE_STRING SafeDevice;
DEVMODEW SafeInitData;
HDC Ret;
NTSTATUS Status = STATUS_SUCCESS;
if(InitData)
{
_SEH_TRY
{
ProbeForRead(InitData,
sizeof(DEVMODEW),
1);
RtlCopyMemory(&SafeInitData,
InitData,
sizeof(DEVMODEW));
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
return NULL;
}
/* FIXME - InitData can have some more bytes! */
}
if(Device)
{
Status = IntSafeCopyUnicodeString(&SafeDevice, Device);
if(!NT_SUCCESS(Status))
{
RtlFreeUnicodeString(&SafeDevice);
SetLastNtError(Status);
return NULL;
}
}
Ret = IntGdiCreateDC(NULL == Device ? NULL : &SafeDevice,
NULL,
NULL,
NULL == InitData ? NULL : &SafeInitData,
(BOOL) iType); // FALSE 0 DCW, TRUE 1 ICW
return Ret;
}
BOOL STDCALL
@ -2196,7 +2242,8 @@ DC_AllocDC(PUNICODE_STRING Driver)
PDC NewDC;
HDC hDC;
PWSTR Buf = NULL;
// PDC_ATTR DC_Attr = NULL;
if (Driver != NULL)
{
Buf = ExAllocatePoolWithTag(PagedPool, Driver->MaximumLength, TAG_DC);
@ -2217,9 +2264,8 @@ DC_AllocDC(PUNICODE_STRING Driver)
return NULL;
}
#if 0
#define TAG_DCATTR TAG('D', 'C', 'A', 'T')
PVOID NewMem = NULL;
ULONG MemSize = PAGE_SIZE; //sizeof(DC_ATTR);
ULONG MemSize = sizeof(DC_ATTR); //PAGE_SIZE it will allocate that size
NTSTATUS Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
&NewMem,
0,
@ -2235,11 +2281,11 @@ DC_AllocDC(PUNICODE_STRING Driver)
{
RtlZeroMemory(NewMem, MemSize);
Entry->UserData = NewMem;
DPRINT1("DC_ATTR allocated! 0x%x\n",NewMem);
DPRINT("DC_ATTR allocated! 0x%x\n",NewMem);
}
else
{
DPRINT1("DC_ATTR not allocated!\n");
DPRINT("DC_ATTR not allocated!\n");
}
}
KeLeaveCriticalRegion();
@ -2250,6 +2296,7 @@ DC_AllocDC(PUNICODE_STRING Driver)
if(NewMem)
{
NewDC->pDc_Attr = NewMem; // Store pointer
DC_Attr = NewMem;
}
#endif
if (Driver != NULL)
@ -2258,26 +2305,52 @@ DC_AllocDC(PUNICODE_STRING Driver)
NewDC->DriverName.Buffer = Buf;
}
// gxf_long a;
// a.f = 1.0f;
NewDC->w.xformWorld2Wnd.eM11 = 1.0f;
NewDC->w.xformWorld2Wnd.eM12 = 0.0f;
// DC_Attr->mxWorldToPage.efM11.lExp = XFPEXP(a);
// DC_Attr->mxWorldToPage.efM11.lMant = XFPMANT(a);
NewDC->w.xformWorld2Wnd.eM12 = 0.0f; //Already Zero!
NewDC->w.xformWorld2Wnd.eM21 = 0.0f;
NewDC->w.xformWorld2Wnd.eM22 = 1.0f;
NewDC->w.xformWorld2Wnd.eDx = 0.0f;
// DC_Attr->mxWorldToPage.efM22.lExp = XFPEXP(a);
// DC_Attr->mxWorldToPage.efM22.lMant = XFPMANT(a);
NewDC->w.xformWorld2Wnd.eDx = 0.0f; //Already Zero!
NewDC->w.xformWorld2Wnd.eDy = 0.0f;
NewDC->w.xformWorld2Vport = NewDC->w.xformWorld2Wnd;
// DC_Attr->mxWorldToDevice = DC_Attr->mxWorldToPage;
NewDC->w.xformVport2World = NewDC->w.xformWorld2Wnd;
// DC_Attr->mxDevicetoWorld = DC_Attr->mxWorldToPage;
NewDC->w.vport2WorldValid = TRUE;
// DC_Attr->flXform = DEVICE_TO_PAGE_INVALID; // More research.
NewDC->w.MapMode = MM_TEXT;
// DC_Attr->iMapMode = MM_TEXT;
NewDC->wndExtX = 1.0f;
NewDC->wndExtY = 1.0f;
NewDC->vportExtX = 1.0f;
NewDC->vportExtY = 1.0f;
NewDC->w.textColor = 0;
// NewDC->pDc_Attr->ulForegroundClr = 0; Already Zero
// NewDC->pDc_Attr->crForegroundClr = 0;
NewDC->w.backgroundColor = 0xffffff;
// DC_Attr->ulBackgroundClr = 0xffffff;
// DC_Attr->crBackgroundClr = 0xffffff;
NewDC->w.hFont = NtGdiGetStockObject(SYSTEM_FONT);
TextIntRealizeFont(NewDC->w.hFont);
// DC_Attr->hlfntNew = NtGdiGetStockObject(SYSTEM_FONT);
NewDC->w.hPalette = NtGdiGetStockObject(DEFAULT_PALETTE);
DC_UnlockDc(NewDC);
@ -2322,12 +2395,16 @@ DC_FreeDC(HDC DCToFree)
PGDI_TABLE_ENTRY Entry = &GdiHandleTable->Entries[Index];
if(Entry->UserData)
{
ULONG MemSize = PAGE_SIZE;
ULONG MemSize = sizeof(DC_ATTR); //PAGE_SIZE;
NTSTATUS Status = ZwFreeVirtualMemory(NtCurrentProcess(),
&Entry->UserData,
&MemSize,
MEM_DECOMMIT);
if (NT_SUCCESS(Status)) Entry->UserData = NULL;
if (NT_SUCCESS(Status))
{
DPRINT("DC_FreeDC DC_ATTR 0x%x\n", Entry->UserData);
Entry->UserData = NULL;
}
}
}
KeLeaveCriticalRegion();