[tkreuzer] 65726: [WIN32K] - Rename IntSetPolyPolygonRgn to REGION_SetPolyPolygonRgn - Implement GreCreatePolyPolygonRgn wrapper around it - Fix iMode usage in NtGdiPolyPolyDraw - Improve some vari...
18 Dec
2014
18 Dec
'14
8:11 a.m.
Author: tkreuzer
Date: Thu Dec 18 08:11:56 2014
New Revision: 65726
URL: http://svn.reactos.org/svn/reactos?rev=65726&view=rev
Log:
[WIN32K]
- Rename IntSetPolyPolygonRgn to REGION_SetPolyPolygonRgn
- Implement GreCreatePolyPolygonRgn wrapper around it
- Fix iMode usage in NtGdiPolyPolyDraw
- Improve some variable naming
Modified:
trunk/reactos/win32ss/gdi/ntgdi/fillshap.c
trunk/reactos/win32ss/gdi/ntgdi/path.c
trunk/reactos/win32ss/gdi/ntgdi/region.c
trunk/reactos/win32ss/gdi/ntgdi/region.h
Modified: trunk/reactos/win32ss/gdi/ntgdi/fillshap.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/fillshap…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/fillshap.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/fillshap.c [iso-8859-1] Thu Dec 18 08:11:56 2014
@@ -458,26 +458,13 @@
/* Special handling for GdiPolyPolyRgn */
if (iFunc == GdiPolyPolyRgn)
{
- PREGION Rgn;
- HRGN hRgn;
-
- Rgn = REGION_AllocUserRgnWithHandle(0);
- if (!Rgn)
- {
- EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
- ExFreePoolWithTag(pTemp, TAG_SHAPE);
- return 0;
- }
- hRgn = Rgn->BaseObject.hHmgr;
- if (!IntSetPolyPolygonRgn(SafePoints, SafeCounts, Count, hDC ? 1 : 2, Rgn))
- {
- /* EngSetLastError ? */
- GreDeleteObject(hRgn);
- hRgn = NULL;
- }
- RGNOBJAPI_Unlock(Rgn);
+ INT iMode = (INT)(UINT_PTR)hDC;
+ HRGN hrgn;
+
+ hrgn = GreCreatePolyPolygonRgn(SafePoints, SafeCounts, Count, iMode);
+
ExFreePoolWithTag(pTemp, TAG_SHAPE);
- return (ULONG_PTR)hRgn;
+ return (ULONG_PTR)hrgn;
}
dc = DC_LockDc(hDC);
Modified: trunk/reactos/win32ss/gdi/ntgdi/path.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/path.c?r…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/path.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/path.c [iso-8859-1] Thu Dec 18 08:11:56 2014
@@ -1280,11 +1280,11 @@
}
/* Fill the region with the strokes */
- Ret = IntSetPolyPolygonRgn(pPath->pPoints,
- pNumPointsInStroke,
- numStrokes,
- nPolyFillMode,
- Rgn);
+ Ret = REGION_SetPolyPolygonRgn(Rgn,
+ pPath->pPoints,
+ pNumPointsInStroke,
+ numStrokes,
+ nPolyFillMode);
/* Free memory for number-of-points-in-stroke array */
ExFreePoolWithTag(pNumPointsInStroke, TAG_PATH);
Modified: trunk/reactos/win32ss/gdi/ntgdi/region.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/region.c…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/region.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/region.c [iso-8859-1] Thu Dec 18 08:11:56 2014
@@ -597,7 +597,7 @@
// FIXME: This function needs review and testing
/***********************************************************************
- * REGION_CropAndOffsetRegion
+ * REGION_CropRegion
*/
INT
FASTCALL
@@ -3020,7 +3020,7 @@
}
/***********************************************************************
- * REGION_CreateEDGE_TABLE
+ * REGION_CreateETandAET
*
* This routine creates the edge table for
* scan converting polygons.
@@ -3061,7 +3061,7 @@
INT iSLLBlock = 0;
INT dy;
- /* Initialize the Active Edge Table */
+ /* Initialize the Active Edge Table */
AET->next = (EDGE_TABLE_ENTRY *)NULL;
AET->back = (EDGE_TABLE_ENTRY *)NULL;
AET->nextWETE = (EDGE_TABLE_ENTRY *)NULL;
@@ -3132,12 +3132,12 @@
BOOL
FASTCALL
-IntSetPolyPolygonRgn(
- POINT *Pts,
- PULONG Count,
- INT nbpolygons,
- INT mode,
- PREGION Rgn)
+REGION_SetPolyPolygonRgn(
+ _Inout_ PREGION prgn,
+ _In_ const POINT *ppt,
+ _In_ const ULONG *pcPoints,
+ _In_ ULONG cPolygons,
+ _In_ INT iMode)
{
EDGE_TABLE_ENTRY *pAET; /* Active Edge Table */
INT y; /* Current scanline */
@@ -3153,33 +3153,35 @@
INT fixWAET = FALSE;
POINTBLOCK FirstPtBlock, *curPtBlock; /* PtBlock buffers */
POINTBLOCK *tmpPtBlock;
- INT numFullPtBlocks = 0;
- INT poly, total;
-
- if (mode == 0 || mode > 2) return 0;
+ UINT numFullPtBlocks = 0;
+ UINT poly, total;
+
+ /* Check if iMode is valid */
+ if ((iMode != ALTERNATE) && (iMode != WINDING))
+ return FALSE;
/* Special case a rectangle */
- if (((nbpolygons == 1) && ((*Count == 4) ||
- ((*Count == 5) && (Pts[4].x == Pts[0].x) && (Pts[4].y ==
Pts[0].y)))) &&
- (((Pts[0].y == Pts[1].y) &&
- (Pts[1].x == Pts[2].x) &&
- (Pts[2].y == Pts[3].y) &&
- (Pts[3].x == Pts[0].x)) ||
- ((Pts[0].x == Pts[1].x) &&
- (Pts[1].y == Pts[2].y) &&
- (Pts[2].x == Pts[3].x) &&
- (Pts[3].y == Pts[0].y))))
- {
- REGION_SetRectRgn(Rgn,
- min(Pts[0].x, Pts[2].x),
- min(Pts[0].y, Pts[2].y),
- max(Pts[0].x, Pts[2].x),
- max(Pts[0].y, Pts[2].y));
+ if (((cPolygons == 1) && ((pcPoints[0] == 4) ||
+ ((pcPoints[0] == 5) && (ppt[4].x == ppt[0].x) && (ppt[4].y ==
ppt[0].y)))) &&
+ (((ppt[0].y == ppt[1].y) &&
+ (ppt[1].x == ppt[2].x) &&
+ (ppt[2].y == ppt[3].y) &&
+ (ppt[3].x == ppt[0].x)) ||
+ ((ppt[0].x == ppt[1].x) &&
+ (ppt[1].y == ppt[2].y) &&
+ (ppt[2].x == ppt[3].x) &&
+ (ppt[3].y == ppt[0].y))))
+ {
+ REGION_SetRectRgn(prgn,
+ min(ppt[0].x, ppt[2].x),
+ min(ppt[0].y, ppt[2].y),
+ max(ppt[0].x, ppt[2].x),
+ max(ppt[0].y, ppt[2].y));
return TRUE;
}
- for (poly = total = 0; poly < nbpolygons; poly++)
- total += Count[poly];
+ for (poly = total = 0; poly < cPolygons; poly++)
+ total += pcPoints[poly];
pETEs = ExAllocatePoolWithTag(PagedPool,
sizeof(EDGE_TABLE_ENTRY) * total,
@@ -3190,11 +3192,11 @@
}
pts = FirstPtBlock.pts;
- REGION_CreateETandAET(Count, nbpolygons, Pts, &ET, &AET, pETEs,
&SLLBlock);
+ REGION_CreateETandAET(pcPoints, cPolygons, ppt, &ET, &AET, pETEs,
&SLLBlock);
pSLL = ET.scanlines.next;
curPtBlock = &FirstPtBlock;
- if (mode != WINDING)
+ if (iMode != WINDING)
{
/* For each scanline */
for (y = ET.ymin; y < ET.ymax; y++)
@@ -3305,7 +3307,7 @@
}
REGION_FreeStorage(SLLBlock.next);
- REGION_PtsToRegion(numFullPtBlocks, iPts, &FirstPtBlock, Rgn);
+ REGION_PtsToRegion(numFullPtBlocks, iPts, &FirstPtBlock, prgn);
for (curPtBlock = FirstPtBlock.next; --numFullPtBlocks >= 0;)
{
@@ -3316,6 +3318,42 @@
ExFreePoolWithTag(pETEs, TAG_REGION);
return TRUE;
+}
+
+HRGN
+NTAPI
+GreCreatePolyPolygonRgn(
+ _In_ const POINT *ppt,
+ _In_ const ULONG *pcPoints,
+ _In_ ULONG cPolygons,
+ _In_ INT iMode)
+{
+ PREGION prgn;
+ HRGN hrgn;
+
+ /* Allocate a new region */
+ prgn = REGION_AllocUserRgnWithHandle(0);
+ if (prgn == NULL)
+ {
+ EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ return NULL;
+ }
+
+ /* Call the internal function and check for success */
+ if (REGION_SetPolyPolygonRgn(prgn, ppt, pcPoints, cPolygons, iMode))
+ {
+ /* Success, get the handle and unlock the region */
+ hrgn = prgn->BaseObject.hHmgr;
+ RGNOBJAPI_Unlock(prgn);
+ }
+ else
+ {
+ /* Failure, delete the region */
+ REGION_Delete(prgn);
+ hrgn = NULL;
+ }
+
+ return hrgn;
}
BOOL
Modified: trunk/reactos/win32ss/gdi/ntgdi/region.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/region.h…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/region.h [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/region.h [iso-8859-1] Thu Dec 18 08:11:56 2014
@@ -42,7 +42,24 @@
INT APIENTRY IntGdiGetRgnBox(HRGN, RECTL*);
BOOL FASTCALL IntGdiPaintRgn(PDC, PREGION );
-BOOL FASTCALL IntSetPolyPolygonRgn(PPOINT, PULONG, INT, INT, PREGION);
+
+BOOL
+FASTCALL
+REGION_SetPolyPolygonRgn(
+ _Inout_ PREGION prgn,
+ _In_ const POINT *ppt,
+ _In_ const ULONG *pcPoints,
+ _In_ ULONG cPolygons,
+ _In_ INT iMode);
+
+HRGN
+NTAPI
+GreCreatePolyPolygonRgn(
+ _In_ const POINT *ppt,
+ _In_ const ULONG *pcPoints,
+ _In_ ULONG cPolygons,
+ _In_ INT iMode);
+
INT FASTCALL IntGdiOffsetRgn(PREGION,INT,INT);
BOOL FASTCALL IntRectInRegion(HRGN,LPRECTL);
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