/*
* @implemented
*/
BOOL APIENTRY
CLIPOBJ_bEnum(
IN CLIPOBJ* ClipObj,
IN ULONG ObjSize,
OUT ULONG *EnumRects)
{
RECTL *dest, *src;
CLIPGDI *ClipGDI = ObjToGDI(ClipObj, CLIP);
ULONG nCopy, i;
ENUMRECTS* pERects = (ENUMRECTS*)EnumRects;
//calculate how many rectangles we should copy
nCopy = min( ClipGDI->EnumMax - ClipGDI->EnumPos,
min( ClipGDI->EnumRects.c - ClipGDI->EnumPos,
(ObjSize - sizeof(ULONG)) / sizeof(RECTL)));
if(nCopy == 0)
{
return FALSE;
}
/* copy rectangles */
src = ClipGDI->EnumRects.arcl + ClipGDI->EnumPos;
for(i = 0, dest = pERects->arcl; i < nCopy; i++, dest++, src++)
{
*dest = *src;
}
pERects->c = nCopy;
ClipGDI->EnumPos+=nCopy;
return ClipGDI->EnumPos < ClipGDI->EnumRects.c;
}
/*
* Calls the WNDOBJCHANGEPROC of the given WNDOBJ
*/
VOID
FASTCALL
IntEngWndCallChangeProc(
IN WNDOBJ *pwo,
IN FLONG flChanged)
{
WNDGDI *WndObjInt = ObjToGDI(pwo, WND);
if (WndObjInt->ChangeProc == NULL)
{
return;
}
/* check flags of the WNDOBJ */
flChanged &= WndObjInt->Flags;
if (flChanged == 0)
{
return;
}
/* Call the WNDOBJCHANGEPROC */
if (flChanged == WOC_CHANGED)
{
pwo = NULL;
}
DPRINT("Calling WNDOBJCHANGEPROC (0x%p), Changed = 0x%x\n",
WndObjInt->ChangeProc, flChanged);
WndObjInt->ChangeProc(pwo, flChanged);
}
/*
* @implemented
*/
VOID
APIENTRY
EngDeleteClip(
_In_ _Post_ptr_invalid_ CLIPOBJ *pco)
{
EngFreeMem(ObjToGDI(pco, CLIP));
}
/*
* @implemented
*/
ULONG
APIENTRY
CLIPOBJ_cEnumStart(
_Inout_ CLIPOBJ *pco,
_In_ BOOL bAll,
_In_ ULONG iType,
_In_ ULONG iDirection,
_In_ ULONG cMaxRects)
{
CLIPGDI *ClipGDI = ObjToGDI(pco, CLIP);
SORTCOMP CompareFunc;
ClipGDI->EnumPos = 0;
ClipGDI->EnumMax = (cMaxRects > 0) ? cMaxRects : ClipGDI->EnumRects.c;
if (CD_ANY != iDirection && ClipGDI->EnumOrder != iDirection)
{
switch (iDirection)
{
case CD_RIGHTDOWN:
CompareFunc = (SORTCOMP) CompareRightDown;
break;
case CD_RIGHTUP:
CompareFunc = (SORTCOMP) CompareRightUp;
break;
case CD_LEFTDOWN:
CompareFunc = (SORTCOMP) CompareLeftDown;
break;
case CD_LEFTUP:
CompareFunc = (SORTCOMP) CompareLeftUp;
break;
default:
DPRINT1("Invalid iDirection %lu\n", iDirection);
iDirection = ClipGDI->EnumOrder;
CompareFunc = NULL;
break;
}
if (NULL != CompareFunc)
{
EngSort((PBYTE) ClipGDI->EnumRects.arcl, sizeof(RECTL), ClipGDI->EnumRects.c, CompareFunc);
}
ClipGDI->EnumOrder = iDirection;
}
/* Return the number of rectangles enumerated */
if ((cMaxRects > 0) && (ClipGDI->EnumRects.c > cMaxRects))
{
return 0xFFFFFFFF;
}
return ClipGDI->EnumRects.c;
}
/*
* @implemented
*/
ULONG APIENTRY
CLIPOBJ_cEnumStart(
IN CLIPOBJ* ClipObj,
IN BOOL ShouldDoAll,
IN ULONG ClipType,
IN ULONG BuildOrder,
IN ULONG MaxRects)
{
CLIPGDI *ClipGDI = ObjToGDI(ClipObj, CLIP);
SORTCOMP CompareFunc;
ClipGDI->EnumPos = 0;
ClipGDI->EnumMax = (MaxRects > 0) ? MaxRects : ClipGDI->EnumRects.c;
if (CD_ANY != BuildOrder && ClipGDI->EnumOrder != BuildOrder)
{
switch (BuildOrder)
{
case CD_RIGHTDOWN:
CompareFunc = (SORTCOMP) CompareRightDown;
break;
case CD_RIGHTUP:
CompareFunc = (SORTCOMP) CompareRightUp;
break;
case CD_LEFTDOWN:
CompareFunc = (SORTCOMP) CompareLeftDown;
break;
case CD_LEFTUP:
CompareFunc = (SORTCOMP) CompareLeftUp;
break;
default:
DPRINT1("Invalid BuildOrder %d\n", BuildOrder);
BuildOrder = ClipGDI->EnumOrder;
CompareFunc = NULL;
break;
}
if (NULL != CompareFunc)
{
EngSort((PBYTE) ClipGDI->EnumRects.arcl, sizeof(RECTL), ClipGDI->EnumRects.c, CompareFunc);
}
ClipGDI->EnumOrder = BuildOrder;
}
/* Return the number of rectangles enumerated */
if ((MaxRects > 0) && (ClipGDI->EnumRects.c > MaxRects))
{
return 0xFFFFFFFF;
}
return ClipGDI->EnumRects.c;
}
DWORD
FASTCALL
GreGetKerningPairs(
HDC hDC,
ULONG NumPairs,
LPKERNINGPAIR krnpair)
{
PDC dc;
PDC_ATTR pdcattr;
PTEXTOBJ TextObj;
PFONTGDI FontGDI;
DWORD Count;
KERNINGPAIR *pKP;
dc = DC_LockDc(hDC);
if (!dc)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return 0;
}
pdcattr = dc->pdcattr;
TextObj = RealizeFontInit(pdcattr->hlfntNew);
DC_UnlockDc(dc);
if (!TextObj)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return 0;
}
FontGDI = ObjToGDI(TextObj->Font, FONT);
TEXTOBJ_UnlockText(TextObj);
Count = ftGdiGetKerningPairs(FontGDI,0,NULL);
if ( Count && krnpair )
{
if (Count > NumPairs)
{
EngSetLastError(ERROR_INSUFFICIENT_BUFFER);
return 0;
}
pKP = ExAllocatePoolWithTag(PagedPool, Count * sizeof(KERNINGPAIR), GDITAG_TEXT);
if (!pKP)
{
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
return 0;
}
ftGdiGetKerningPairs(FontGDI,Count,pKP);
RtlCopyMemory(krnpair, pKP, Count * sizeof(KERNINGPAIR));
ExFreePoolWithTag(pKP,GDITAG_TEXT);
}
return Count;
}
/*
* @implemented
*/
BOOL
APIENTRY
WNDOBJ_bEnum(
IN WNDOBJ *pwo,
IN ULONG cj,
OUT ULONG *pul)
{
WNDGDI *WndObjInt = ObjToGDI(pwo, WND);
BOOL Ret;
DPRINT("WNDOBJ_bEnum: pwo = 0x%p, cj = %lu, pul = 0x%p\n", pwo, cj, pul);
Ret = CLIPOBJ_bEnum(WndObjInt->ClientClipObj, cj, pul);
DPRINT("WNDOBJ_bEnum: Returning %s\n", Ret ? "True" : "False");
return Ret;
}
/*
* @implemented
*/
ULONG
APIENTRY
WNDOBJ_cEnumStart(
IN WNDOBJ *pwo,
IN ULONG iType,
IN ULONG iDirection,
IN ULONG cLimit)
{
WNDGDI *WndObjInt = ObjToGDI(pwo, WND);
ULONG Ret;
DPRINT("WNDOBJ_cEnumStart: pwo = 0x%p, iType = %lu, iDirection = %lu, cLimit = %lu\n",
pwo, iType, iDirection, cLimit);
/* FIXME: Should we enumerate all rectangles or not? */
Ret = CLIPOBJ_cEnumStart(WndObjInt->ClientClipObj, FALSE, iType, iDirection, cLimit);
DPRINT("WNDOBJ_cEnumStart: Returning 0x%lx\n", Ret);
return Ret;
}
/*
* @implemented
*/
VOID
APIENTRY
EngDeleteWnd(
IN WNDOBJ *pwo)
{
WNDGDI *WndObjInt = ObjToGDI(pwo, WND);
PWND Window;
BOOL calledFromUser;
DPRINT("EngDeleteWnd: pwo = 0x%p\n", pwo);
calledFromUser = UserIsEntered();
if (!calledFromUser){
UserEnterExclusive();
}
/* Get window object */
Window = UserGetWindowObject(WndObjInt->Hwnd);
if (Window == NULL)
{
DPRINT1("Warning: Couldnt get window object for WndObjInt->Hwnd!!!\n");
}
else
{
/* Remove object from window */
IntRemoveProp(Window, AtomWndObj);
--gcountPWO;
}
if (!calledFromUser){
UserLeave();
}
/* Free resources */
IntEngDeleteClipRegion(WndObjInt->ClientClipObj);
EngFreeMem(WndObjInt);
}
/*
* @implemented
*/
VOID APIENTRY
EngDeleteClip(CLIPOBJ *ClipRegion)
{
EngFreeMem(ObjToGDI(ClipRegion, CLIP));
}
VOID FASTCALL
IntEngDeleteClipRegion(CLIPOBJ *ClipObj)
{
EngFreeMem(ObjToGDI(ClipObj, CLIP));
}
return ClipGDI->EnumRects.c;
}
/*
* @implemented
*/
BOOL
APIENTRY
CLIPOBJ_bEnum(
_In_ CLIPOBJ *pco,
_In_ ULONG cj,
_Out_bytecap_(cj) ULONG *pulEnumRects)
{
RECTL *dest, *src;
CLIPGDI *ClipGDI = ObjToGDI(pco, CLIP);
ULONG nCopy, i;
ENUMRECTS* pERects = (ENUMRECTS*)pulEnumRects;
// Calculate how many rectangles we should copy
nCopy = min( ClipGDI->EnumMax - ClipGDI->EnumPos,
min( ClipGDI->EnumRects.c - ClipGDI->EnumPos,
(cj - sizeof(ULONG)) / sizeof(RECTL)));
if(nCopy == 0)
{
return FALSE;
}
/* Copy rectangles */
src = ClipGDI->EnumRects.arcl + ClipGDI->EnumPos;
