#include "precomp.h"
+#define NDEBUG
+#include <debug.h>
+
+#define INRECT(r, x, y) \
+ ( ( ((r).right > x)) && \
+ ( ((r).left <= x)) && \
+ ( ((r).bottom > y)) && \
+ ( ((r).top <= y)) )
+
+#define OVERLAPPING_RGN 0
+#define INVERTED_RGN 1
+#define SAME_RGN 2
+#define DIFF_RGN 3
+/*
+ From tests, there are four results based on normalized coordinates.
+ If the rects are overlapping and normalized, it's OVERLAPPING_RGN.
+ If the rects are overlapping in anyway or same in dimension and one is inverted,
+ it's INVERTED_RGN.
+ If the rects are same in dimension or NULL, it's SAME_RGN.
+ If the rects are overlapping and not normalized or displace in different areas,
+ it's DIFF_RGN.
+ */
+INT
+FASTCALL
+ComplexityFromRects( PRECTL prc1, PRECTL prc2)
+{
+ if ( prc2->left >= prc1->left )
+ {
+ if ( ( prc1->right >= prc2->right) &&
+ ( prc1->top <= prc2->top ) &&
+ ( prc1->bottom >= prc2->bottom ) )
+ return SAME_RGN;
+
+ if ( prc2->left > prc1->left )
+ {
+ if ( ( prc1->left >= prc2->right ) ||
+ ( prc1->right <= prc2->left ) ||
+ ( prc1->top >= prc2->bottom ) ||
+ ( prc1->bottom <= prc2->top ) )
+ return DIFF_RGN;
+ }
+ }
+
+ if ( ( prc2->right < prc1->right ) ||
+ ( prc2->top > prc1->top ) ||
+ ( prc2->bottom < prc1->bottom ) )
+ {
+ if ( ( prc1->left >= prc2->right ) ||
+ ( prc1->right <= prc2->left ) ||
+ ( prc1->top >= prc2->bottom ) ||
+ ( prc1->bottom <= prc2->top ) )
+ return DIFF_RGN;
+ }
+ else
+ {
+ return INVERTED_RGN;
+ }
+ return OVERLAPPING_RGN;
+}
+
+static
+VOID
+FASTCALL
+SortRects(PRECT pRect, INT nCount)
+{
+ INT i = 0, a = 0, b = 0, c, s;
+ RECT sRect;
+
+ if (nCount > 0)
+ {
+ i = 1; // set index point
+ c = nCount; // set inverse count
+ do
+ {
+ s = i; // set sort count
+ if ( i < nCount )
+ {
+ a = i - 1;
+ b = i;
+ do
+ {
+ if(pRect[b].top != pRect[i].bottom) break;
+ if(pRect[b].left < pRect[a].left)
+ {
+ sRect = pRect[a];
+ pRect[a] = pRect[b];
+ pRect[b] = sRect;
+ }
+ ++s;
+ ++b;
+ } while ( s < nCount );
+ }
+ ++i;
+ } while ( c-- != 1 );
+ }
+}
+
+/*
+ * I thought it was okay to have this in DeleteObject but~ Speed. (jt)
+ */
+BOOL
+FASTCALL
+DeleteRegion( HRGN hRgn )
+{
+ PRGN_ATTR Rgn_Attr;
+
+ if ((GdiGetHandleUserData((HGDIOBJ) hRgn, GDI_OBJECT_TYPE_REGION, (PVOID) &Rgn_Attr)) &&
+ ( Rgn_Attr != NULL ))
+ {
+ PGDIBSOBJECT pgO;
+
+ pgO = GdiAllocBatchCommand(NULL, GdiBCDelRgn);
+ if (pgO)
+ {
+ pgO->hgdiobj = (HGDIOBJ)hRgn;
+ return TRUE;
+ }
+ }
+ return NtGdiDeleteObjectApp((HGDIOBJ) hRgn);
+}
+
+INT
+FASTCALL
+MirrorRgnByWidth(HRGN hRgn, INT Width, HRGN *phRgn)
+{
+ INT cRgnDSize, Ret = 0;
+ PRGNDATA pRgnData;
+
+ cRgnDSize = NtGdiGetRegionData(hRgn, 0, NULL);
+
+ if (cRgnDSize)
+ {
+ pRgnData = LocalAlloc(LMEM_FIXED, cRgnDSize * sizeof(LONG));
+ if (pRgnData)
+ {
+ if ( GetRegionData(hRgn, cRgnDSize, pRgnData) )
+ {
+ HRGN hRgnex;
+ UINT i;
+ INT SaveL = pRgnData->rdh.rcBound.left;
+ pRgnData->rdh.rcBound.left = Width - pRgnData->rdh.rcBound.right;
+ pRgnData->rdh.rcBound.right = Width - SaveL;
+ if (pRgnData->rdh.nCount > 0)
+ {
+ PRECT pRect = (PRECT)&pRgnData->Buffer;
+ for (i = 0; i < pRgnData->rdh.nCount; i++)
+ {
+ SaveL = pRect[i].left;
+ pRect[i].left = Width - pRect[i].right;
+ pRect[i].right = Width - SaveL;
+ }
+ }
+ SortRects((PRECT)&pRgnData->Buffer, pRgnData->rdh.nCount);
+ hRgnex = ExtCreateRegion(NULL, cRgnDSize , pRgnData);
+ if (hRgnex)
+ {
+ if (phRgn) phRgn = (HRGN *)hRgnex;
+ else
+ {
+ CombineRgn(hRgn, hRgnex, 0, RGN_COPY);
+ DeleteObject(hRgnex);
+ }
+ Ret = 1;
+ }
+ }
+ LocalFree(pRgnData);
+ }
+ }
+ return Ret;
+}
+
+INT
+WINAPI
+MirrorRgnDC(HDC hdc, HRGN hRgn, HRGN *phRgn)
+{
+ if (!GdiIsHandleValid((HGDIOBJ) hdc) ||
+ (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)) return 0;
+
+ return MirrorRgnByWidth(hRgn, NtGdiGetDeviceWidth(hdc), phRgn);
+}
+
+/* FUNCTIONS *****************************************************************/
+
+/*
+ * @implemented
+ */
+INT
+WINAPI
+CombineRgn(HRGN hDest,
+ HRGN hSrc1,
+ HRGN hSrc2,
+ INT CombineMode)
+{
+ PRGN_ATTR pRgn_Attr_Dest = NULL;
+ PRGN_ATTR pRgn_Attr_Src1 = NULL;
+ PRGN_ATTR pRgn_Attr_Src2 = NULL;
+ INT Complexity;
+ BOOL Ret;
+
+ Ret = GdiGetHandleUserData((HGDIOBJ) hDest, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr_Dest);
+ Ret = GdiGetHandleUserData((HGDIOBJ) hSrc1, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr_Src1);
+
+ if ( !Ret ||
+ !pRgn_Attr_Dest ||
+ !pRgn_Attr_Src1 ||
+ pRgn_Attr_Src1->Flags > SIMPLEREGION )
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+
+ /* Handle COPY and use only src1. */
+ if ( CombineMode == RGN_COPY )
+ {
+ switch (pRgn_Attr_Src1->Flags)
+ {
+ case NULLREGION:
+ Ret = SetRectRgn( hDest, 0, 0, 0, 0);
+ if (Ret)
+ return NULLREGION;
+ goto ERROR_Exit;
+
+ case SIMPLEREGION:
+ Ret = SetRectRgn( hDest,
+ pRgn_Attr_Src1->Rect.left,
+ pRgn_Attr_Src1->Rect.top,
+ pRgn_Attr_Src1->Rect.right,
+ pRgn_Attr_Src1->Rect.bottom );
+ if (Ret)
+ return SIMPLEREGION;
+ goto ERROR_Exit;
+
+ case COMPLEXREGION:
+ default:
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+ }
+ }
+
+ Ret = GdiGetHandleUserData((HGDIOBJ) hSrc2, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr_Src2);
+ if ( !Ret ||
+ !pRgn_Attr_Src2 ||
+ pRgn_Attr_Src2->Flags > SIMPLEREGION )
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+
+ /* All but AND. */
+ if ( CombineMode != RGN_AND)
+ {
+ if ( CombineMode <= RGN_AND)
+ {
+ /*
+ There might be some type of junk in the call, so go K.
+ If this becomes a problem, need to setup parameter check at the top.
+ */
+ DPRINT1("Might be junk! CombineMode %d\n",CombineMode);
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+ }
+
+ if ( CombineMode > RGN_XOR) /* Handle DIFF. */
+ {
+ if ( CombineMode != RGN_DIFF)
+ { /* Filter check! Well, must be junk?, so go K. */
+ DPRINT1("RGN_COPY was handled! CombineMode %d\n",CombineMode);
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+ }
+ /* Now handle DIFF. */
+ if ( pRgn_Attr_Src1->Flags == NULLREGION )
+ {
+ if (SetRectRgn( hDest, 0, 0, 0, 0))
+ return NULLREGION;
+ goto ERROR_Exit;
+ }
+
+ if ( pRgn_Attr_Src2->Flags != NULLREGION )
+ {
+ Complexity = ComplexityFromRects( &pRgn_Attr_Src1->Rect, &pRgn_Attr_Src2->Rect);
+
+ if ( Complexity != DIFF_RGN )
+ {
+ if ( Complexity != INVERTED_RGN)
+ /* If same or overlapping and norm just go K. */
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+
+ if (SetRectRgn( hDest, 0, 0, 0, 0))
+ return NULLREGION;
+ goto ERROR_Exit;
+ }
+ }
+ }
+ else /* Handle OR or XOR. */
+ {
+ if ( pRgn_Attr_Src1->Flags == NULLREGION )
+ {
+ if ( pRgn_Attr_Src2->Flags != NULLREGION )
+ { /* Src1 null and not NULL, set from src2. */
+ Ret = SetRectRgn( hDest,
+ pRgn_Attr_Src2->Rect.left,
+ pRgn_Attr_Src2->Rect.top,
+ pRgn_Attr_Src2->Rect.right,
+ pRgn_Attr_Src2->Rect.bottom );
+ if (Ret)
+ return SIMPLEREGION;
+ goto ERROR_Exit;
+ }
+ /* Both are NULL. */
+ if (SetRectRgn( hDest, 0, 0, 0, 0))
+ return NULLREGION;
+ goto ERROR_Exit;
+ }
+ /* Src1 is not NULL. */
+ if ( pRgn_Attr_Src2->Flags != NULLREGION )
+ {
+ if ( CombineMode != RGN_OR ) /* Filter XOR, so go K. */
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+
+ Complexity = ComplexityFromRects( &pRgn_Attr_Src1->Rect, &pRgn_Attr_Src2->Rect);
+ /* If inverted use Src2. */
+ if ( Complexity == INVERTED_RGN)
+ {
+ Ret = SetRectRgn( hDest,
+ pRgn_Attr_Src2->Rect.left,
+ pRgn_Attr_Src2->Rect.top,
+ pRgn_Attr_Src2->Rect.right,
+ pRgn_Attr_Src2->Rect.bottom );
+ if (Ret)
+ return SIMPLEREGION;
+ goto ERROR_Exit;
+ }
+ /* Not NULL or overlapping or differentiated, go to K. */
+ if ( Complexity != SAME_RGN)
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+ /* If same, just fall through. */
+ }
+ }
+ Ret = SetRectRgn( hDest,
+ pRgn_Attr_Src1->Rect.left,
+ pRgn_Attr_Src1->Rect.top,
+ pRgn_Attr_Src1->Rect.right,
+ pRgn_Attr_Src1->Rect.bottom );
+ if (Ret)
+ return SIMPLEREGION;
+ goto ERROR_Exit;
+ }
+
+ /* Handle AND. */
+ if ( pRgn_Attr_Src1->Flags != NULLREGION &&
+ pRgn_Attr_Src2->Flags != NULLREGION )
+ {
+ Complexity = ComplexityFromRects( &pRgn_Attr_Src1->Rect, &pRgn_Attr_Src2->Rect);
+
+ if ( Complexity == DIFF_RGN ) /* Differentiated in anyway just NULL rgn. */
+ {
+ if (SetRectRgn( hDest, 0, 0, 0, 0))
+ return NULLREGION;
+ goto ERROR_Exit;
+ }
+
+ if ( Complexity != INVERTED_RGN) /* Not inverted and overlapping. */
+ {
+ if ( Complexity != SAME_RGN) /* Must be norm and overlapping. */
+ return NtGdiCombineRgn(hDest, hSrc1, hSrc2, CombineMode);
+ /* Merge from src2. */
+ Ret = SetRectRgn( hDest,
+ pRgn_Attr_Src2->Rect.left,
+ pRgn_Attr_Src2->Rect.top,
+ pRgn_Attr_Src2->Rect.right,
+ pRgn_Attr_Src2->Rect.bottom );
+ if (Ret)
+ return SIMPLEREGION;
+ goto ERROR_Exit;
+ }
+ /* Inverted so merge from src1. */
+ Ret = SetRectRgn( hDest,
+ pRgn_Attr_Src1->Rect.left,
+ pRgn_Attr_Src1->Rect.top,
+ pRgn_Attr_Src1->Rect.right,
+ pRgn_Attr_Src1->Rect.bottom );
+ if (Ret)
+ return SIMPLEREGION;
+ goto ERROR_Exit;
+ }
+
+ /* It's all NULL! */
+ if (SetRectRgn( hDest, 0, 0, 0, 0))
+ return NULLREGION;
+
+ERROR_Exit:
+ /* Even on error the flag is set dirty and force server side to redraw. */
+ pRgn_Attr_Dest->AttrFlags |= ATTR_RGN_DIRTY;
+ return ERROR;
+}
+
+/*
+ * @implemented
+ */
+HRGN
+WINAPI
+CreateEllipticRgnIndirect(
+ const RECT *prc
+)
+{
+ /* Notes if prc is NULL it will crash on All Windows NT I checked 2000/XP/VISTA */
+ return NtGdiCreateEllipticRgn(prc->left, prc->top, prc->right, prc->bottom);
+
+}
+
+/*
+ * @implemented
+ */
+HRGN
+WINAPI
+CreatePolygonRgn( const POINT * lppt, int cPoints, int fnPolyFillMode)
+{
+ return (HRGN) NtGdiPolyPolyDraw( (HDC) fnPolyFillMode, (PPOINT) lppt, (PULONG) &cPoints, 1, GdiPolyPolyRgn);
+}
+
+/*
+ * @implemented
+ */
+HRGN
+WINAPI
+CreatePolyPolygonRgn( const POINT* lppt,
+ const INT* lpPolyCounts,
+ int nCount,
+ int fnPolyFillMode)
+{
+ return (HRGN) NtGdiPolyPolyDraw( (HDC) fnPolyFillMode, (PPOINT) lppt, (PULONG) lpPolyCounts, (ULONG) nCount, GdiPolyPolyRgn );
+}
+
+/*
+ * @implemented
+ */
+HRGN
+WINAPI
+CreateRectRgn(int x1, int y1, int x2, int y2)
+{
+ PRGN_ATTR pRgn_Attr;
+ HRGN hrgn;
+ int tmp;
+
+ /* Normalize points */
+ tmp = x1;
+ if ( x1 > x2 )
+ {
+ x1 = x2;
+ x2 = tmp;
+ }
+
+ tmp = y1;
+ if ( y1 > y2 )
+ {
+ y1 = y2;
+ y2 = tmp;
+ }
+ /* Check outside 24 bit limit for universal set. Chp 9 Areas, pg 560.*/
+ if ( x1 < -(1<<27) ||
+ y1 < -(1<<27) ||
+ x2 > (1<<27)-1 ||
+ y2 > (1<<27)-1 )
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ hrgn = hGetPEBHandle(hctRegionHandle, 0);
+
+ if (!hrgn)
+ hrgn = NtGdiCreateRectRgn(0, 0, 1, 1);
+
+ if (!hrgn)
+ return hrgn;
+
+ if (!GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr))
+ {
+ DPRINT1("No Attr for Region handle!!!\n");
+ DeleteRegion(hrgn);
+ return NULL;
+ }
+
+ if (( x1 == x2) || (y1 == y2))
+ {
+ pRgn_Attr->Flags = NULLREGION;
+ pRgn_Attr->Rect.left = pRgn_Attr->Rect.top =
+ pRgn_Attr->Rect.right = pRgn_Attr->Rect.bottom = 0;
+ }
+ else
+ {
+ pRgn_Attr->Flags = SIMPLEREGION;
+ pRgn_Attr->Rect.left = x1;
+ pRgn_Attr->Rect.top = y1;
+ pRgn_Attr->Rect.right = x2;
+ pRgn_Attr->Rect.bottom = y2;
+ }
+
+ pRgn_Attr->AttrFlags = (ATTR_RGN_DIRTY|ATTR_RGN_VALID);
+
+ return hrgn;
+}
+
+/*
+ * @implemented
+ */
+HRGN
+WINAPI
+CreateRectRgnIndirect(
+ const RECT *prc
+)
+{
+ /* Notes if prc is NULL it will crash on All Windows NT I checked 2000/XP/VISTA */
+ return CreateRectRgn(prc->left, prc->top, prc->right, prc->bottom);
+
+}
+
+/*
+ * @implemented
+ */
+INT
+WINAPI
+ExcludeClipRect(IN HDC hdc, IN INT xLeft, IN INT yTop, IN INT xRight, IN INT yBottom)
+{
+#if 0
+// Handle something other than a normal dc object.
+ if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
+ {
+ if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
+ return MFDRV_ExcludeClipRect( hdc, xLeft, yTop, xRight, yBottom);
+ else
+ {
+ PLDC pLDC = GdiGetLDC(hdc);
+ if ( pLDC )
+ {
+ if (pLDC->iType != LDC_EMFLDC || EMFDRV_ExcludeClipRect( hdc, xLeft, yTop, xRight, yBottom))
+ return NtGdiExcludeClipRect(hdc, xLeft, yTop, xRight, yBottom);
+ }
+ else
+ SetLastError(ERROR_INVALID_HANDLE);
+ return ERROR;
+ }
+ }
+#endif
+ return NtGdiExcludeClipRect(hdc, xLeft, yTop, xRight, yBottom);
+}
+
+/*
+ * @implemented
+ */
+HRGN
+WINAPI
+ExtCreateRegion(
+ CONST XFORM * lpXform,
+ DWORD nCount,
+ CONST RGNDATA * lpRgnData
+ )
+{
+ if (lpRgnData)
+ {
+ if ((!lpXform) && (lpRgnData->rdh.nCount == 1))
+ {
+ PRECT pRect = (PRECT)&lpRgnData->Buffer[0];
+ return CreateRectRgn(pRect->left, pRect->top, pRect->right, pRect->bottom);
+ }
+ return NtGdiExtCreateRegion((LPXFORM) lpXform, nCount,(LPRGNDATA) lpRgnData);
+ }
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+}
+
+/*
+ * @implemented
+ */
+INT
+WINAPI
+ExtSelectClipRgn( IN HDC hdc, IN HRGN hrgn, IN INT iMode)
+{
+ INT Ret;
+ HRGN NewRgn = NULL;
+
+#if 0
+// Handle something other than a normal dc object.
+ if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
+ {
+ if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
+ return MFDRV_ExtSelectClipRgn( hdc, );
+ else
+ {
+ PLDC pLDC = GdiGetLDC(hdc);
+ if ( pLDC )
+ {
+ if (pLDC->iType != LDC_EMFLDC || EMFDRV_ExtSelectClipRgn( hdc, ))
+ return NtGdiExtSelectClipRgn(hdc, );
+ }
+ else
+ SetLastError(ERROR_INVALID_HANDLE);
+ return ERROR;
+ }
+ }
+#endif
+#if 0
+ if ( hrgn )
+ {
+ if ( GetLayout(hdc) & LAYOUT_RTL )
+ {
+ if ( MirrorRgnDC(hdc, hrgn, &NewRgn) )
+ {
+ if ( NewRgn ) hrgn = NewRgn;
+ }
+ }
+ }
+#endif
+ /* Batch handles RGN_COPY only! */
+ if (iMode == RGN_COPY)
+ {
+#if 0
+ PDC_ATTR pDc_Attr;
+ PRGN_ATTR pRgn_Attr = NULL;
+
+ /* hrgn can be NULL unless the RGN_COPY mode is specified. */
+ if (hrgn)
+ GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr);
+
+ if ( GdiGetHandleUserData((HGDIOBJ) hdc, GDI_OBJECT_TYPE_DC, (PVOID) &pDc_Attr) &&
+ pDc_Attr )
+ {
+ PGDI_TABLE_ENTRY pEntry = GdiHandleTable + GDI_HANDLE_GET_INDEX(hdc);
+ PTEB pTeb = NtCurrentTeb();
+
+ if ( pTeb->Win32ThreadInfo != NULL &&
+ pTeb->GdiTebBatch.HDC == hdc &&
+ !(pDc_Attr->ulDirty_ & DC_DIBSECTION) &&
+ !(pEntry->Flags & GDI_ENTRY_VALIDATE_VIS) )
+ {
+ if (!hrgn ||
+ (hrgn && pRgn_Attr && pRgn_Attr->Flags <= SIMPLEREGION) )
+ {
+ if ((pTeb->GdiTebBatch.Offset + sizeof(GDIBSEXTSELCLPRGN)) <= GDIBATCHBUFSIZE)
+ {
+ PGDIBSEXTSELCLPRGN pgO = (PGDIBSEXTSELCLPRGN)(&pTeb->GdiTebBatch.Buffer[0] +
+ pTeb->GdiTebBatch.Offset);
+ pgO->gbHdr.Cmd = GdiBCExtSelClipRgn;
+ pgO->gbHdr.Size = sizeof(GDIBSEXTSELCLPRGN);
+ pgO->fnMode = iMode;
+
+ if ( hrgn && pRgn_Attr )
+ {
+ Ret = pRgn_Attr->Flags;
+
+ if ( pDc_Attr->VisRectRegion.Rect.left >= pRgn_Attr->Rect.right ||
+ pDc_Attr->VisRectRegion.Rect.top >= pRgn_Attr->Rect.bottom ||
+ pDc_Attr->VisRectRegion.Rect.right <= pRgn_Attr->Rect.left ||
+ pDc_Attr->VisRectRegion.Rect.bottom <= pRgn_Attr->Rect.top )
+ Ret = NULLREGION;
+
+ pgO->left = pRgn_Attr->Rect.left;
+ pgO->top = pRgn_Attr->Rect.top;
+ pgO->right = pRgn_Attr->Rect.right;
+ pgO->bottom = pRgn_Attr->Rect.bottom;
+ }
+ else
+ {
+ Ret = pDc_Attr->VisRectRegion.Flags;
+ pgO->fnMode |= 0x80000000; // Set no hrgn mode.
+ }
+ pTeb->GdiTebBatch.Offset += sizeof(GDIBSEXTSELCLPRGN);
+ pTeb->GdiBatchCount++;
+ if (pTeb->GdiBatchCount >= GDI_BatchLimit) NtGdiFlush();
+ if ( NewRgn ) DeleteObject(NewRgn);
+ return Ret;
+ }
+ }
+ }
+ }
+#endif
+ }
+ Ret = NtGdiExtSelectClipRgn(hdc, hrgn, iMode);
+
+ if ( NewRgn ) DeleteObject(NewRgn);
+
+ return Ret;
+}
/*
* @implemented
*/
int
-STDCALL
+WINAPI
GetClipRgn(
HDC hdc,
HRGN hrgn
)
{
- HRGN rgn = NtGdiGetClipRgn(hdc);
- if(rgn)
- {
- if(NtGdiCombineRgn(hrgn, rgn, 0, RGN_COPY) != ERROR) return 1;
- else
- return -1;
- }
- else return 0;
+ INT Ret = NtGdiGetRandomRgn(hdc, hrgn, CLIPRGN);
+// if (Ret)
+// {
+// if(GetLayout(hdc) & LAYOUT_RTL) MirrorRgnDC(hdc,(HRGN)Ret, NULL);
+// }
+ return Ret;
}
+/*
+ * @implemented
+ */
+int
+WINAPI
+GetMetaRgn(HDC hdc,
+ HRGN hrgn)
+{
+ return NtGdiGetRandomRgn(hdc, hrgn, METARGN);
+}
-HRGN
-WINAPI
-CreatePolygonRgn( const POINT* Point, int Count, int Mode)
+/*
+ * @implemented
+ *
+ */
+DWORD
+WINAPI
+GetRegionData(HRGN hrgn,
+ DWORD nCount,
+ LPRGNDATA lpRgnData)
+{
+ if (!lpRgnData)
+ {
+ nCount = 0;
+ }
+
+ return NtGdiGetRegionData(hrgn,nCount,lpRgnData);
+}
+
+/*
+ * @implemented
+ *
+ */
+INT
+WINAPI
+GetRgnBox(HRGN hrgn,
+ LPRECT prcOut)
{
- return CreatePolyPolygonRgn(Point, (const INT*)&Count, 1, Mode);
+ PRGN_ATTR Rgn_Attr;
+
+ if (!GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &Rgn_Attr))
+ return NtGdiGetRgnBox(hrgn, prcOut);
+
+ if (Rgn_Attr->Flags == NULLREGION)
+ {
+ prcOut->left = 0;
+ prcOut->top = 0;
+ prcOut->right = 0;
+ prcOut->bottom = 0;
+ }
+ else
+ {
+ if (Rgn_Attr->Flags != SIMPLEREGION)
+ return NtGdiGetRgnBox(hrgn, prcOut);
+ /* WARNING! prcOut is never checked newbies! */
+ RtlCopyMemory( prcOut, &Rgn_Attr->Rect, sizeof(RECT));
+ }
+ return Rgn_Attr->Flags;
}
+/*
+ * @implemented
+ */
+INT
+WINAPI
+IntersectClipRect(HDC hdc,
+ int nLeftRect,
+ int nTopRect,
+ int nRightRect,
+ int nBottomRect)
+{
+#if 0
+// Handle something other than a normal dc object.
+ if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
+ {
+ if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
+ return MFDRV_IntersectClipRect( hdc, nLeftRect, nTopRect, nRightRect, nBottomRect);
+ else
+ {
+ PLDC pLDC = GdiGetLDC(hdc);
+ if ( pLDC )
+ {
+ if (pLDC->iType != LDC_EMFLDC || EMFDRV_IntersectClipRect( hdc, nLeftRect, nTopRect, nRightRect, nBottomRect))
+ return NtGdiIntersectClipRect(hdc, nLeftRect, nTopRect, nRightRect, nBottomRect);
+ }
+ else
+ SetLastError(ERROR_INVALID_HANDLE);
+ return ERROR;
+ }
+ }
+#endif
+ return NtGdiIntersectClipRect(hdc, nLeftRect, nTopRect, nRightRect, nBottomRect);
+}
-HRGN
+/*
+ * @implemented
+ */
+BOOL
WINAPI
-CreatePolyPolygonRgn( const POINT* Point,
- const INT* Count,
- int inPolygons,
- int Mode)
+MirrorRgn(HWND hwnd, HRGN hrgn)
{
-/* return (HRGN) NtGdiPolyPolyDraw( (HDC) Mode,
- (PPOINT) Point,
- (PULONG) Count,
- (ULONG) inPolygons,
- GdiPolyPolyRgn );
-*/
- return (HRGN) NULL;
+ RECT Rect;
+ GetWindowRect(hwnd, &Rect);
+ return MirrorRgnByWidth(hrgn, Rect.right - Rect.left, NULL);
}
+/*
+ * @implemented
+ */
+INT
+WINAPI
+OffsetClipRgn(HDC hdc,
+ int nXOffset,
+ int nYOffset)
+{
+#if 0
+// Handle something other than a normal dc object.
+ if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
+ {
+ if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
+ return MFDRV_OffsetClipRgn( hdc, nXOffset, nYOffset );
+ else
+ {
+ PLDC pLDC = GdiGetLDC(hdc);
+ if ( !pLDC )
+ {
+ SetLastError(ERROR_INVALID_HANDLE);
+ return ERROR;
+ }
+ if (pLDC->iType == LDC_EMFLDC && !EMFDRV_OffsetClipRgn( hdc, nXOffset, nYOffset ))
+ return ERROR;
+ return NtGdiOffsetClipRgn( hdc, nXOffset, nYOffset);
+ }
+ }
+#endif
+ return NtGdiOffsetClipRgn( hdc, nXOffset, nYOffset);
+}
+
+/*
+ * @implemented
+ *
+ */
+INT
+WINAPI
+OffsetRgn( HRGN hrgn,
+ int nXOffset,
+ int nYOffset)
+{
+ PRGN_ATTR pRgn_Attr;
+ int nLeftRect, nTopRect, nRightRect, nBottomRect;
+
+ if (!GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr))
+ return NtGdiOffsetRgn(hrgn,nXOffset,nYOffset);
+
+ if ( pRgn_Attr->Flags == NULLREGION)
+ return pRgn_Attr->Flags;
+
+ if ( pRgn_Attr->Flags != SIMPLEREGION)
+ return NtGdiOffsetRgn(hrgn,nXOffset,nYOffset);
+
+ nLeftRect = pRgn_Attr->Rect.left;
+ nTopRect = pRgn_Attr->Rect.top;
+ nRightRect = pRgn_Attr->Rect.right;
+ nBottomRect = pRgn_Attr->Rect.bottom;
+
+ if (nLeftRect < nRightRect)
+ {
+ if (nTopRect < nBottomRect)
+ {
+ nLeftRect = nXOffset + nLeftRect;
+ nTopRect = nYOffset + nTopRect;
+ nRightRect = nXOffset + nRightRect;
+ nBottomRect = nYOffset + nBottomRect;
+
+ /* Check 28 bit limit. Chp 9 Areas, pg 560. */
+ if ( nLeftRect < -(1<<27) ||
+ nTopRect < -(1<<27) ||
+ nRightRect > (1<<27)-1 ||
+ nBottomRect > (1<<27)-1 )
+ {
+ return ERROR;
+ }
+
+ pRgn_Attr->Rect.top = nTopRect;
+ pRgn_Attr->Rect.left = nLeftRect;
+ pRgn_Attr->Rect.right = nRightRect;
+ pRgn_Attr->Rect.bottom = nBottomRect;
+ pRgn_Attr->AttrFlags |= ATTR_RGN_DIRTY;
+ }
+ }
+ return pRgn_Attr->Flags;
+}
+
+/*
+ * @implemented
+ */
+BOOL
+WINAPI
+PtInRegion(IN HRGN hrgn,
+ int x,
+ int y)
+{
+ PRGN_ATTR pRgn_Attr;
+
+ if (!GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr))
+ return NtGdiPtInRegion(hrgn,x,y);
+
+ if ( pRgn_Attr->Flags == NULLREGION)
+ return FALSE;
+
+ if ( pRgn_Attr->Flags != SIMPLEREGION)
+ return NtGdiPtInRegion(hrgn,x,y);
+
+ return INRECT( pRgn_Attr->Rect, x, y);
+}
+
+/*
+ * @implemented
+ */
+BOOL
+WINAPI
+RectInRegion(HRGN hrgn,
+ LPCRECT prcl)
+{
+ PRGN_ATTR pRgn_Attr;
+ RECTL rc;
+
+ if (!GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &pRgn_Attr))
+ return NtGdiRectInRegion(hrgn, (LPRECT) prcl);
+
+ if ( pRgn_Attr->Flags == NULLREGION)
+ return FALSE;
+
+ if ( pRgn_Attr->Flags != SIMPLEREGION)
+ return NtGdiRectInRegion(hrgn, (LPRECT) prcl);
+
+ /* swap the coordinates to make right >= left and bottom >= top */
+ /* (region building rectangles are normalized the same way) */
+ if ( prcl->top > prcl->bottom)
+ {
+ rc.top = prcl->bottom;
+ rc.bottom = prcl->top;
+ }
+ else
+ {
+ rc.top = prcl->top;
+ rc.bottom = prcl->bottom;
+ }
+ if ( prcl->right < prcl->left)
+ {
+ rc.right = prcl->left;
+ rc.left = prcl->right;
+ }
+ else
+ {
+ rc.right = prcl->right;
+ rc.left = prcl->left;
+ }
+
+ if ( ComplexityFromRects( &pRgn_Attr->Rect, &rc) != DIFF_RGN )
+ return TRUE;
+
+ return FALSE;
+}
+
+/*
+ * @implemented
+ */
+int WINAPI
+SelectClipRgn(
+ HDC hdc,
+ HRGN hrgn
+)
+{
+ return ExtSelectClipRgn(hdc, hrgn, RGN_COPY);
+}
+
+/*
+ * @implemented
+ */
+BOOL
+WINAPI
+SetRectRgn(HRGN hrgn,
+ int nLeftRect,
+ int nTopRect,
+ int nRightRect,
+ int nBottomRect)
+{
+ PRGN_ATTR Rgn_Attr;
+
+ if (!GdiGetHandleUserData((HGDIOBJ) hrgn, GDI_OBJECT_TYPE_REGION, (PVOID) &Rgn_Attr))
+ return NtGdiSetRectRgn(hrgn, nLeftRect, nTopRect, nRightRect, nBottomRect);
+
+ if ((nLeftRect == nRightRect) || (nTopRect == nBottomRect))
+ {
+ Rgn_Attr->AttrFlags |= ATTR_RGN_DIRTY;
+ Rgn_Attr->Flags = NULLREGION;
+ Rgn_Attr->Rect.left = Rgn_Attr->Rect.top =
+ Rgn_Attr->Rect.right = Rgn_Attr->Rect.bottom = 0;
+ return TRUE;
+ }
+
+ Rgn_Attr->Rect.left = nLeftRect;
+ Rgn_Attr->Rect.top = nTopRect;
+ Rgn_Attr->Rect.right = nRightRect;
+ Rgn_Attr->Rect.bottom = nBottomRect;
+
+ if(nLeftRect > nRightRect)
+ {
+ Rgn_Attr->Rect.left = nRightRect;
+ Rgn_Attr->Rect.right = nLeftRect;
+ }
+ if(nTopRect > nBottomRect)
+ {
+ Rgn_Attr->Rect.top = nBottomRect;
+ Rgn_Attr->Rect.bottom = nTopRect;
+ }
+
+ Rgn_Attr->AttrFlags |= ATTR_RGN_DIRTY ;
+ Rgn_Attr->Flags = SIMPLEREGION;
+ return TRUE;
+}
+
+/*
+ * @implemented
+ */
+int
+WINAPI
+SetMetaRgn( HDC hDC )
+{
+ if (GDI_HANDLE_GET_TYPE(hDC) == GDI_OBJECT_TYPE_DC)
+ return NtGdiSetMetaRgn(hDC);
+#if 0
+ PLDC pLDC = GdiGetLDC(hDC);
+ if ( pLDC && GDI_HANDLE_GET_TYPE(hDC) != GDI_OBJECT_TYPE_METADC )
+ {
+ if (pLDC->iType == LDC_EMFLDC || EMFDRV_SetMetaRgn(hDC))
+ {
+ return NtGdiSetMetaRgn(hDC);
+ }
+ else
+ SetLastError(ERROR_INVALID_HANDLE);
+ }
+#endif
+ return ERROR;
+}
projects / reactos.git / blobdiff