[jimtabor] 34248: Arc, RoundRect: - Converted over to use the new draw/fill square algorithm for draw arcs and draw/fill round rects. - Tested with (Area.exe) Yuan program. Getting better.

Author: jimtabor
Date: Wed Jul  2 02:47:23 2008
New Revision: 34248

URL: http://svn.reactos.org/svn/reactos?rev=34248&view=rev
Log:
Arc, RoundRect:
- Converted over to use the new draw/fill square algorithm for draw arcs and draw/fill
round rects.
- Tested with (Area.exe) Yuan program. Getting better.



Modified:
    trunk/reactos/subsystems/win32/win32k/objects/arc.c
    trunk/reactos/subsystems/win32/win32k/objects/drawing.c
    trunk/reactos/subsystems/win32/win32k/objects/fillshap.c

Modified: trunk/reactos/subsystems/win32/win32k/objects/arc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/arc.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/arc.c [iso-8859-1] Wed Jul  2 02:47:23
2008
@@ -26,6 +26,7 @@
 #define Rcos(d) ((d) == 0.0 ? 1.0 : ((d) == 90.0 ? 0.0 : cos(d*M_PI/180.0)))
 
 BOOL FASTCALL IntFillArc( PDC dc, INT XLeft, INT YLeft, INT Width, INT Height, double
StartArc, double EndArc, ARCTYPE arctype);
+BOOL FASTCALL IntDrawArc( PDC dc, INT XLeft, INT YLeft, INT Width, INT Height, double
StartArc, double EndArc, ARCTYPE arctype, PGDIBRUSHOBJ PenBrushObj);
 
 static
 BOOL
@@ -147,6 +148,16 @@
               arctype);
     }
 
+    ret = IntDrawArc( dc,
+              RectBounds.left,
+              RectBounds.top,
+              abs(RectBounds.right-RectBounds.left), // Width
+              abs(RectBounds.bottom-RectBounds.top), // Height
+              AngleStart,
+              AngleEnd,
+              arctype,
+             PenBrushObj);
+
     BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
     if (NULL == BitmapObj)
     {
@@ -161,63 +172,11 @@
     if (arctype == GdiTypePie)
     {
        PUTLINE(CenterX, CenterY, SfCx + CenterX, SfCy + CenterY, PenBrushInst);
-    }
-    {
-       double AngS = AngleStart, AngT = AngleEnd,
-       Factor = fabs(RadiusX) < 25 ? 1.0 : (25/fabs(RadiusX));
-       int x,y, ox = 0, oy = 0;
-       BOOL Start = TRUE;
-
-       if (dc->DcLevel.flPath & DCPATH_CLOCKWISE)
-       {
-          DPRINT1("Arc CW\n");
-          for (; AngS < AngT; AngS += Factor)
-          {
-              x = (RadiusX * Rcos(AngS));
-              y = (RadiusY * Rsin(AngS));
-
-              DPRINT("Arc CW -> %d, X: %d Y: %d\n",(INT)AngS,x,y);
-              if (Start)
-              {
-                 PUTPIXEL(x + CenterX, y + CenterY, PenBrushInst);
-                 ox = x;
-                 oy = y;
-                 Start = FALSE;
-                 continue;
-              }
-              PUTLINE(ox + CenterX, oy + CenterY, x + CenterX, y + CenterY,
PenBrushInst);
-              ox = x;
-              oy = y;      
-          }
-       }
-       else
-       {
-          DPRINT1("Arc CCW\n");
-          for (; AngT < AngS; AngS -= Factor)
-          {
-              x = (RadiusX * Rcos(AngS));
-              y = (RadiusY * Rsin(AngS));
-
-              DPRINT("Arc CCW -> %d, X: %d Y: %d\n",(INT)AngS,x,y);
-              if (Start)
-              {
-                 PUTPIXEL(x + CenterX, y + CenterY, PenBrushInst);
-                 ox = x;
-                 oy = y;
-                 Start = FALSE;
-                 continue;
-              }
-              PUTLINE(ox + CenterX, oy + CenterY, x + CenterX, y + CenterY,
PenBrushInst);
-              ox = x;
-              oy = y;
-          }        
-       }
-    }
-    if (arctype == GdiTypePie)
        PUTLINE(EfCx + CenterX, EfCy + CenterY, CenterX, CenterY, PenBrushInst);
+    }
     if (arctype == GdiTypeChord)
-       PUTLINE(EfCx + CenterX, EfCy + CenterY, SfCx + CenterX, SfCy + CenterY,
PenBrushInst);
-
+        PUTLINE(EfCx + CenterX, EfCy + CenterY, SfCx + CenterX, SfCy + CenterY,
PenBrushInst);
+           
     PenBrushObj->ptPenWidth.x = PenOrigWidth;
     BITMAPOBJ_UnlockBitmap(BitmapObj);
     PENOBJ_UnlockPen(PenBrushObj);

Modified: trunk/reactos/subsystems/win32/win32k/objects/drawing.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/drawing.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/drawing.c [iso-8859-1] Wed Jul  2
02:47:23 2008
@@ -63,6 +63,9 @@
 	int width, height;	/* width and height of rect */
 } Rect, *PRect;
 
+int FASTCALL IntFillRect(DC *dc, INT XLeft, INT YLeft, INT Width, INT Height,
PGDIBRUSHOBJ BrushObj, BOOL Pen);
+int FASTCALL app_fill_rect(DC *dc, Rect r, PGDIBRUSHOBJ BrushObj, BOOL Pen);
+
 static
 POINT
 INTERNAL_CALL
@@ -101,152 +104,8 @@
  *  is no way for the program to know which portions of the
  *  window are currently obscured.
  */
-static
-int
-INTERNAL_CALL
-app_fill_rect(DC *dc, Rect r, PGDIBRUSHOBJ BrushObj)
-{
-  DWORD ROP = PATCOPY;
-  RECTL DestRect;
-  BITMAPOBJ *BitmapObj;
-  GDIBRUSHINST BrushInst;
-  POINTL BrushOrigin;
-  BOOL Ret = TRUE;
-  PDC_ATTR Dc_Attr = NULL;
-
-  ASSERT(BrushObj);
-
-  BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
-  if (BitmapObj == NULL)
-  {
-      SetLastWin32Error(ERROR_INVALID_HANDLE);
-      return 0;
-  }
-
-  if (!(BrushObj->flAttrs & GDIBRUSH_IS_NULL))
-  {
-     Dc_Attr = dc->pDc_Attr;
-     if (!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
-
-     /* fix negative spaces */
-     if (r.width < 0)
-     {
-	r.x += r.width;
-	r.width = 0 - r.width;
-     }
-     if (r.height < 0)
-     {
-	r.y += r.height;
-	r.height = 0 - r.height;
-     }
-
-     DestRect.left = r.x;
-     DestRect.right = r.x + r.width;
-
-     DestRect.top = r.y;
-     DestRect.bottom = r.y + r.height;
-
-     BrushOrigin.x = BrushObj->ptOrigin.x;
-     BrushOrigin.y = BrushObj->ptOrigin.y;
-
-     if (Dc_Attr->jROP2 == R2_XORPEN)
-        ROP = PATINVERT;
-     else
-        ROP = PATCOPY;
-
-     IntGdiInitBrushInstance(&BrushInst, BrushObj, dc->XlateBrush);
-
-     Ret = IntEngBitBlt(
-         &BitmapObj->SurfObj,
-         NULL,
-         NULL,
-         dc->CombinedClip,
-         NULL,
-         &DestRect,
-         NULL,
-         NULL,
-         &BrushInst.BrushObject, // use pDC->eboFill
-         &BrushOrigin,
-         ROP3_TO_ROP4(ROP));
-  }
-
-  BITMAPOBJ_UnlockBitmap(BitmapObj);
-  return (int)Ret;
-}
-
-static
-int
-INTERNAL_CALL
-app_fill_rect_pen(DC *dc, Rect r, PGDIBRUSHOBJ BrushObj)
-{
-  DWORD ROP = PATCOPY;
-  RECTL DestRect;
-  BITMAPOBJ *BitmapObj;
-  GDIBRUSHINST BrushInst;
-  POINTL BrushOrigin;
-  BOOL Ret = TRUE;
-  PDC_ATTR Dc_Attr = NULL;
-
-  ASSERT(BrushObj);
-
-  BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
-  if (BitmapObj == NULL)
-  {
-      SetLastWin32Error(ERROR_INVALID_HANDLE);
-      return 0;
-  }
-
-  if (!(BrushObj->flAttrs & GDIBRUSH_IS_NULL))
-  {
-     Dc_Attr = dc->pDc_Attr;
-     if (!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
-
-     /* fix negative spaces */
-     if (r.width < 0)
-     {
-	r.x += r.width;
-	r.width = 0 - r.width;
-     }
-     if (r.height < 0)
-     {
-	r.y += r.height;
-	r.height = 0 - r.height;
-     }
-
-     DestRect.left = r.x;
-     DestRect.right = r.x + r.width;
-
-     DestRect.top = r.y;
-     DestRect.bottom = r.y + r.height;
-
-     BrushOrigin.x = BrushObj->ptOrigin.x;
-     BrushOrigin.y = BrushObj->ptOrigin.y;
-
-     if (Dc_Attr->jROP2 == R2_XORPEN)
-        ROP = PATINVERT;
-     else
-        ROP = PATCOPY;
-
-     IntGdiInitBrushInstance(&BrushInst, BrushObj, dc->XlatePen);
-
-     Ret = IntEngBitBlt(
-         &BitmapObj->SurfObj,
-         NULL,
-         NULL,
-         dc->CombinedClip,
-         NULL,
-         &DestRect,
-         NULL,
-         NULL,
-         &BrushInst.BrushObject, // use pDC->eboFill
-         &BrushOrigin,
-         ROP3_TO_ROP4(ROP));
-  }
-
-  BITMAPOBJ_UnlockBitmap(BitmapObj);
-  return (int)Ret;
-}
-
+#define app_fill_rect( dc, r, BrushObj, Pen) \
+        IntFillRect(dc, r.x, r.y, r.width, r.height, BrushObj, Pen)
 
 /*
  *  Drawing an ellipse with a certain line thickness.
@@ -306,7 +165,7 @@
 //	START_DEBUG();
 
 	if ((r.width <= 2) || (r.height <= 2))
-		return app_fill_rect_pen(g, r, BrushObj);
+		return app_fill_rect(g, r, BrushObj, TRUE);
 
 	r1.x = r.x + a;
 	r1.y = r.y;
@@ -405,8 +264,8 @@
 
 			if ((r1.y < r.y+w) || (r1.x+W >= r1.x+r1.width-W))
 			{
-				result &= app_fill_rect_pen(g, r1, BrushObj);
-				result &= app_fill_rect_pen(g, r2, BrushObj);
+				result &= app_fill_rect(g, r1, BrushObj, TRUE);
+				result &= app_fill_rect(g, r2, BrushObj, TRUE);
 
 				prevx = r1.x;
 				prevy = r1.y;
@@ -414,14 +273,14 @@
 			else if (r1.y+r1.height < r2.y)
 			{
 				/* draw distinct rectangles */
-				result &= app_fill_rect_pen(g, rect(r1.x,r1.y,
-						W,1), BrushObj);
-				result &= app_fill_rect_pen(g, rect(
-						r1.x+r1.width-W,r1.y,W,1), BrushObj);
-				result &= app_fill_rect_pen(g, rect(r2.x,
-						r2.y,W,1), BrushObj);
-				result &= app_fill_rect_pen(g, rect(
-						r2.x+r2.width-W,r2.y,W,1), BrushObj);
+				result &= app_fill_rect(g, rect(r1.x,r1.y,
+						W,1), BrushObj, TRUE);
+				result &= app_fill_rect(g, rect(
+						r1.x+r1.width-W,r1.y,W,1), BrushObj, TRUE);
+				result &= app_fill_rect(g, rect(r2.x,
+						r2.y,W,1), BrushObj, TRUE);
+				result &= app_fill_rect(g, rect(
+						r2.x+r2.width-W,r2.y,W,1), BrushObj, TRUE);
 
 				prevx = r1.x;
 				prevy = r1.y;
@@ -450,14 +309,14 @@
 			W = w;
 
 		if (W+W >= r.width) {
-			result &= app_fill_rect_pen(g, rect(r.x, r1.y,
-				r.width, r1.height), BrushObj);
+			result &= app_fill_rect(g, rect(r.x, r1.y,
+				r.width, r1.height), BrushObj, TRUE);
 			return result;
 		}
 
-		result &= app_fill_rect_pen(g, rect(r.x, r1.y, W, r1.height), BrushObj);
-		result &= app_fill_rect_pen(g, rect(r.x+r.width-W, r1.y,
-			W, r1.height), BrushObj);
+		result &= app_fill_rect(g, rect(r.x, r1.y, W, r1.height), BrushObj, TRUE);
+		result &= app_fill_rect(g, rect(r.x+r.width-W, r1.y,
+			W, r1.height), BrushObj, TRUE);
 	}
 	return result;
 }
@@ -505,7 +364,8 @@
 	POINT p2, // End
 	int start_angle,
 	int end_angle,
-	PGDIBRUSHOBJ BrushObj)
+	PGDIBRUSHOBJ BrushObj,
+	BOOL Pen)
 {
 	int x1, x2;
 	int start_above, end_above;
@@ -580,36 +440,36 @@
 			{
 				/* fill outsides of wedge */
 				if (! app_fill_rect(g, rect(r.x, r.y,
-					x1-r.x, r.height), BrushObj))
+					x1-r.x, r.height), BrushObj, Pen))
 					return 0;
 				return app_fill_rect(g, rect(x2, r.y,
-					r.x+r.width-x2, r.height), BrushObj);
+					r.x+r.width-x2, r.height), BrushObj, Pen);
 			}
 			else
 			{
 				/* fill inside of wedge */
 				r.width = x1-x2;
 				r.x = x2;
-				return app_fill_rect(g, r, BrushObj);
+				return app_fill_rect(g, r, BrushObj, Pen);
 			}
 		}
 		else if (start_above)
 		{
 			/* fill to the left of the start_line */
 			r.width = x1-r.x;
-			return app_fill_rect(g, r, BrushObj);
+			return app_fill_rect(g, r, BrushObj, Pen);
 		}
 		else if (end_above)
 		{
 			/* fill right of end_line */
 			r.width = r.x+r.width-x2;
 			r.x = x2;
-			return app_fill_rect(g, r, BrushObj);
+			return app_fill_rect(g, r, BrushObj, Pen);
 		}
 		else
 		{
 			if (start_angle > end_angle)
-				return app_fill_rect(g,r, BrushObj);
+				return app_fill_rect(g,r, BrushObj, Pen);
 			else
 				return 1;
 		}
@@ -675,7 +535,7 @@
 		if (start_above && end_above)
 		{
 			if (start_angle > end_angle)
-				return app_fill_rect(g,r, BrushObj);
+				return app_fill_rect(g,r, BrushObj, Pen);
 			else
 				return 1;
 		}
@@ -683,14 +543,14 @@
 		{
 			/* fill to the left of end_line */
 			r.width = x2-r.x;
-			return app_fill_rect(g,r, BrushObj);
+			return app_fill_rect(g,r, BrushObj, Pen);
 		}
 		else if (end_above)
 		{
 			/* fill right of start_line */
 			r.width = r.x+r.width-x1;
 			r.x = x1;
-			return app_fill_rect(g,r, BrushObj);
+			return app_fill_rect(g,r, BrushObj, Pen);
 		}
 		else
 		{
@@ -698,17 +558,17 @@
 			{
 				/* fill outsides of wedge */
 				if (! app_fill_rect(g, rect(r.x, r.y,
-					x2-r.x, r.height), BrushObj))
+					x2-r.x, r.height), BrushObj, Pen))
 					return 0;
 				return app_fill_rect(g, rect(x1, r.y,
-					r.x+r.width-x1, r.height), BrushObj);
+					r.x+r.width-x1, r.height), BrushObj, Pen);
 			}
 			else
 			{
 				/* fill inside of wedge */
 				r.width = x2-x1;
 				r.x = x1;
-				return app_fill_rect(g, r, BrushObj);
+				return app_fill_rect(g, r, BrushObj, Pen);
 			}
 		}
 	}
@@ -767,7 +627,7 @@
 //	START_DEBUG();
 
 	if ((r.width <= 2) || (r.height <= 2))
-		return app_fill_rect(g, r, BrushObj);
+		return app_fill_rect(g, r, BrushObj, FALSE);
 
 	r1.x = r.x + a;
 	r1.y = r.y;
@@ -813,8 +673,8 @@
 
 				if (r1.y+r1.height < r2.y) {
 					/* distinct rectangles */
-					result &= app_fill_rect(g, r1, BrushObj);
-					result &= app_fill_rect(g, r2, BrushObj);
+					result &= app_fill_rect(g, r1, BrushObj, FALSE);
+					result &= app_fill_rect(g, r2, BrushObj, FALSE);
 				}
 
 				/* move down */
@@ -839,7 +699,7 @@
 		r1.x = r.x;
 		r1.width = r.width;
 		r1.height = r2.y+r2.height-r1.y;
-		result &= app_fill_rect(g, r1, BrushObj);
+		result &= app_fill_rect(g, r1, BrushObj, FALSE);
 	}
 	else if (x <= a) {
 		/* crossover, draw final line */
@@ -847,7 +707,7 @@
 		r1.width = r.width;
 		r1.height = r1.y+r1.height-r2.y;
 		r1.y = r2.y;
-		result &= app_fill_rect(g, r1, BrushObj);
+		result &= app_fill_rect(g, r1, BrushObj, FALSE);
 	}
 	return result;
 }
@@ -1014,10 +874,10 @@
 				/* distinct rectangles */
 				result &= app_fill_arc_rect(g, r1,
 						p0, p1, p2,
-						start_angle, end_angle, BrushObj);
+						start_angle, end_angle, BrushObj, FALSE);
 				result &= app_fill_arc_rect(g, r2,
 						p0, p1, p2,
-						start_angle, end_angle, BrushObj);
+						start_angle, end_angle, BrushObj, FALSE);
 			}
 
 			/* move down */
@@ -1039,7 +899,7 @@
 		while (r1.height > 0) {
 			result &= app_fill_arc_rect(g,
 				rect(r1.x, r1.y, r1.width, 1),
-				p0, p1, p2, start_angle, end_angle, BrushObj);
+				p0, p1, p2, start_angle, end_angle, BrushObj, FALSE);
 			r1.y += 1;
 			r1.height -= 1;
 		}
@@ -1053,7 +913,7 @@
 		while (r1.height > 0) {
 			result &= app_fill_arc_rect(g, 
 				rect(r1.x, r1.y, r1.width, 1),
-				p0, p1, p2, start_angle, end_angle, BrushObj);
+				p0, p1, p2, start_angle, end_angle, BrushObj, FALSE);
 			r1.y += 1;
 			r1.height -= 1;
 		}
@@ -1061,7 +921,344 @@
 	return result;
 }
 
+int app_draw_arc(DC *g, Rect r, int start_angle, int end_angle, PGDIBRUSHOBJ PenBrushObj,
BOOL Chord)
+{
+	/* Outer ellipse: e(x,y) = b*b*x*x + a*a*y*y - a*a*b*b */
+
+	int a = r.width / 2;
+	int b = r.height / 2;
+	int x = 0;
+	int y = b;
+	long a2 = a*a;
+	long b2 = b*b;
+	long xcrit = (3 * a2 / 4) + 1;
+	long ycrit = (3 * b2 / 4) + 1;
+	long t = b2 + a2 - 2*a2*b;	/* t = e(x+1,y-1) */
+	long dxt = b2*(3+x+x);
+	long dyt = a2*(3-y-y);
+	int d2xt = b2+b2;
+	int d2yt = a2+a2;
+
+	int w = PenBrushObj->ptPenWidth.x;
+
+	/* Inner ellipse: E(X,Y) = B*B*X*X + A*A*Y*Y - A*A*B*B */
+
+	int A = a-w > 0 ? a-w : 0;
+	int B = b-w > 0 ? b-w : 0;
+	int X = 0;
+	int Y = B;
+	long A2 = A*A;
+	long B2 = B*B;
+	long XCRIT = (3 * A2 / 4) + 1;
+	long YCRIT = (3 * B2 / 4) + 1;
+	long T = B2 + A2 - 2*A2*B;	/* T = E(X+1,Y-1) */
+	long DXT = B2*(3+X+X);
+	long DYT = A2*(3-Y-Y);
+	int D2XT = B2+B2;
+	int D2YT = A2+A2;
+
+	/* arc rectangle calculations */
+	int movedown, moveout;
+	int innerX = 0, prevx, prevy, W;
+	Rect r1, r2;
+	int result = 1;
+
+	/* line descriptions */
+	POINT p0, p1, p2;
+
+//	START_DEBUG();
+
+	/* if angles differ by 360 degrees or more, close the shape */
+	if ((start_angle + 360 <= end_angle) ||
+	    (start_angle - 360 >= end_angle))
+	{
+		return app_draw_ellipse(g, r, PenBrushObj);
+	}
+
+	/* make start_angle >= 0 and <= 360 */
+	while (start_angle < 0)
+		start_angle += 360;
+	start_angle %= 360;
+
+	/* make end_angle >= 0 and <= 360 */
+	while (end_angle < 0)
+		end_angle += 360;
+	end_angle %= 360;
+
+	/* draw nothing if the angles are equal */
+	if (start_angle == end_angle)
+		return 1;
+
+	/* find arc wedge line end points */
+	p1 = app_boundary_point(r, start_angle);
+	p2 = app_boundary_point(r, end_angle);
+	if (Chord)
+	 p0 = pt((p1.x+p2.x)/2,(p1.y+p2.y)/2);
+	else
+	 p0 = pt(r.x + r.width/2, r.y + r.height/2);
+
+	/* determine ellipse rectangles */
+	r1.x = r.x + a;
+	r1.y = r.y;
+	r1.width = r.width & 1; /* i.e. if width is odd */
+	r1.height = 1;
+
+	r2 = r1;
+	r2.y = r.y + r.height - 1;
+
+	prevx = r1.x;
+	prevy = r1.y;
+
+	while (y > 0)
+	{
+		while (Y == y)
+		{
+			innerX = X;
+
+			if (T + A2*Y < XCRIT) /* E(X+1,Y-1/2) <= 0 */
+			{
+				/* move outwards to encounter edge */
+				X += 1;
+				T += DXT;
+				DXT += D2XT;
+			}
+			else if (T - B2*X >= YCRIT) /* e(x+1/2,y-1) > 0 */
+			{
+				/* drop down one line */
+				Y -= 1;
+				T += DYT;
+				DYT += D2YT;
+			}
+			else {
+				/* drop diagonally down and out */
+				X += 1;
+				Y -= 1;
+				T += DXT + DYT;
+				DXT += D2XT;
+				DYT += D2YT;
+			}
+		}
+
+		movedown = moveout = 0;
+
+		W = x - innerX;
+		if (r1.x + W < prevx)
+			W = prevx - r1.x;
+		if (W < w)
+			W = w;
+
+		if (t + a2*y < xcrit) /* e(x+1,y-1/2) <= 0 */
+		{
+			/* move outwards to encounter edge */
+			x += 1;
+			t += dxt;
+			dxt += d2xt;
+
+			moveout = 1;
+		}
+		else if (t - b2*x >= ycrit) /* e(x+1/2,y-1) > 0 */
+		{
+			/* drop down one line */
+			y -= 1;
+			t += dyt;
+			dyt += d2yt;
+
+			movedown = 1;
+		}
+		else {
+			/* drop diagonally down and out */
+			x += 1;
+			y -= 1;
+			t += dxt + dyt;
+			dxt += d2xt;
+			dyt += d2yt;
+
+			movedown = 1;
+			moveout = 1;
+		}
+
+		if (movedown) {
+			if (r1.width == 0) {
+				r1.x -= 1; r1.width += 2;
+				r2.x -= 1; r2.width += 2;
+				moveout = 0;
+			}
+
+			if (r1.x < r.x)
+				r1.x = r2.x = r.x;
+			if (r1.width > r.width)
+				r1.width = r2.width = r.width;
+			if (r1.y == r2.y-1) {
+				r1.x = r2.x = r.x;
+				r1.width = r2.width = r.width;
+			}
+
+			if ((r1.y < r.y+w) || (r1.x+W >= r1.x+r1.width-W))
+			{
+				result &= app_fill_arc_rect(g, r1,
+						p0, p1, p2,
+						start_angle, end_angle, PenBrushObj, TRUE);
+				result &= app_fill_arc_rect(g, r2,
+						p0, p1, p2,
+						start_angle, end_angle, PenBrushObj, TRUE);
+
+				prevx = r1.x;
+				prevy = r1.y;
+			}
+			else if (r1.y+r1.height < r2.y)
+			{
+				/* draw distinct rectangles */
+				result &= app_fill_arc_rect(g, rect(
+						r1.x,r1.y,W,1),
+						p0, p1, p2,
+						start_angle, end_angle, PenBrushObj, TRUE);
+				result &= app_fill_arc_rect(g, rect(
+						r1.x+r1.width-W,r1.y,W,1),
+						p0, p1, p2,
+						start_angle, end_angle, PenBrushObj, TRUE);
+				result &= app_fill_arc_rect(g, rect(
+						r2.x,r2.y,W,1),
+						p0, p1, p2,
+						start_angle, end_angle, PenBrushObj, TRUE);
+				result &= app_fill_arc_rect(g, rect(
+						r2.x+r2.width-W,r2.y,W,1),
+						 p0, p1, p2,
+						start_angle, end_angle, PenBrushObj, TRUE);
+
+				prevx = r1.x;
+				prevy = r1.y;
+			}
+
+			/* move down */
+			r1.y += 1;
+			r2.y -= 1;
+		}
+
+		if (moveout) {
+			/* move outwards */
+			r1.x -= 1; r1.width += 2;
+			r2.x -= 1; r2.width += 2;
+		}
+	}
+	if ((x <= a) && (prevy < r2.y)) {
+		/* draw final lines */
+		r1.height = r1.y+r1.height-r2.y;
+		r1.y = r2.y;
+
+		W = w;
+		if (r.x + W != prevx)
+			W = prevx - r.x;
+		if (W < w)
+			W = w;
+
+		if (W+W >= r.width) {
+			while (r1.height > 0) {
+				result &= app_fill_arc_rect(g, rect(r.x,
+					r1.y, r.width, 1), p0, p1, p2,
+					start_angle, end_angle, PenBrushObj, TRUE);
+				r1.y += 1;
+				r1.height -= 1;
+			}
+			return result;
+		}
+
+		while (r1.height > 0) {
+			result &= app_fill_arc_rect(g, rect(r.x, r1.y,
+					W, 1), p0, p1, p2,
+					start_angle, end_angle, PenBrushObj, TRUE);
+			result &= app_fill_arc_rect(g, rect(r.x+r.width-W,
+					r1.y, W, 1), p0, p1, p2,
+					start_angle, end_angle, PenBrushObj, TRUE);
+			r1.y += 1;
+			r1.height -= 1;
+		}
+	}
+
+	return result;
+}
+
 /* ReactOS Interface *********************************************************/
+
+int
+FASTCALL
+IntFillRect( DC *dc,
+             INT XLeft,
+             INT YLeft,
+             INT Width,
+             INT Height,
+             PGDIBRUSHOBJ BrushObj,
+             BOOL Pen)
+{
+  DWORD ROP = PATCOPY;
+  RECTL DestRect;
+  BITMAPOBJ *BitmapObj;
+  GDIBRUSHINST BrushInst;
+  POINTL BrushOrigin;
+  BOOL Ret = TRUE;
+  PDC_ATTR Dc_Attr = NULL;
+
+  ASSERT(BrushObj);
+
+  BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
+  if (BitmapObj == NULL)
+  {
+      SetLastWin32Error(ERROR_INVALID_HANDLE);
+      return 0;
+  }
+
+  if (!(BrushObj->flAttrs & GDIBRUSH_IS_NULL))
+  {
+     Dc_Attr = dc->pDc_Attr;
+     if (!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
+
+     /* fix negative spaces */
+     if (Width < 0)
+     {
+	XLeft += Width;
+	Width = 0 - Width;
+     }
+     if (Height < 0)
+     {
+	YLeft += Height;
+	Height = 0 - Height;
+     }
+
+     DestRect.left = XLeft;
+     DestRect.right = XLeft + Width;
+
+     DestRect.top = YLeft;
+     DestRect.bottom = YLeft + Height;
+
+     BrushOrigin.x = BrushObj->ptOrigin.x;
+     BrushOrigin.y = BrushObj->ptOrigin.y;
+
+     if (Dc_Attr->jROP2 == R2_XORPEN)
+        ROP = PATINVERT;
+     else
+        ROP = PATCOPY;
+
+     if (Pen)
+        IntGdiInitBrushInstance(&BrushInst, BrushObj, dc->XlatePen);
+     else
+        IntGdiInitBrushInstance(&BrushInst, BrushObj, dc->XlateBrush);
+
+     Ret = IntEngBitBlt(
+         &BitmapObj->SurfObj,
+         NULL,
+         NULL,
+         dc->CombinedClip,
+         NULL,
+         &DestRect,
+         NULL,
+         NULL,
+         &BrushInst.BrushObject, // use pDC->eboFill
+         &BrushOrigin,
+         ROP3_TO_ROP4(ROP));
+  }
+
+  BITMAPOBJ_UnlockBitmap(BitmapObj);
+  return (int)Ret;
+}
 
 BOOL
 FASTCALL
@@ -1102,6 +1299,28 @@
 
 BOOL
 FASTCALL
+IntDrawArc( PDC dc,
+            INT XLeft,
+            INT YLeft,
+            INT Width,
+            INT Height,
+            double StartArc,
+            double EndArc,
+            ARCTYPE arctype,
+            PGDIBRUSHOBJ PenBrushObj)
+{
+  int Start = ceill(StartArc);
+  int End   = ceill(EndArc);
+  BOOL Chord = (arctype == GdiTypeChord);
+  // Sort out alignment here.
+  return app_draw_arc(dc, rect( XLeft, YLeft, Width, Height),
+                     (dc->DcLevel.flPath & DCPATH_CLOCKWISE) ? -End : -Start,
+                     (dc->DcLevel.flPath & DCPATH_CLOCKWISE) ? -Start : -End,
+                      PenBrushObj, Chord);
+}
+
+BOOL
+FASTCALL
 IntDrawEllipse( PDC dc,
                 INT XLeft,
                 INT YLeft,
@@ -1139,3 +1358,154 @@
   BRUSHOBJ_UnlockBrush(FillBrushObj);    
   return ret;
 }
+
+BOOL
+FASTCALL
+IntFillRoundRect( PDC dc,
+                  INT Left,
+                  INT Top,
+                  INT Right,
+                  INT Bottom,
+                  INT Wellipse,
+                  INT Hellipse)
+{
+  PDC_ATTR Dc_Attr;
+  PGDIBRUSHOBJ FillBrushObj;
+  Rect r;
+  int rx, ry; /* radius in x and y directions */
+
+  Dc_Attr = dc->pDc_Attr;
+  if(!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
+
+  FillBrushObj = BRUSHOBJ_LockBrush(Dc_Attr->hbrush);
+  if (NULL == FillBrushObj)   
+  {
+      DPRINT1("FillEllipse Fail\n");
+      SetLastWin32Error(ERROR_INTERNAL_ERROR);
+      return FALSE;
+  }
+  //           x    y          Width          Height
+  r = rect( Left, Top, abs(Right-Left), abs(Bottom-Top));
+  rx = Wellipse/2;
+  ry = Hellipse/2;
+
+  if (Wellipse > r.width)
+  {
+     if (Hellipse > r.height) // > W > H
+        ret = app_fill_ellipse(dc, r, FillBrushObj);
+     else // > W < H
+     {
+
+       app_fill_arc(dc, rect( r.x, r.y, r.width - 1, Hellipse),
+                        0, 180, FillBrushObj,FALSE);
+       app_fill_arc(dc, rect(r.x, Bottom - Hellipse - 1, r.width - 1, Hellipse),
+                        180, 360, FillBrushObj, FALSE);
+     }
+  }
+  else if(Hellipse > r.height) // < W > H
+  {
+     app_fill_arc(dc, rect(r.x, r.y, Wellipse, r.height - 1),
+                      90, 270, FillBrushObj, FALSE);
+     app_fill_arc(dc, rect(Right - Wellipse - 1, r.y, Wellipse, r.height - 1),
+                      270, 90, FillBrushObj,FALSE);
+  }
+  else // < W < H
+  {
+     app_fill_arc(dc, rect(r.x, r.y, Wellipse, Hellipse),
+                      90, 180, FillBrushObj, FALSE);
+
+     app_fill_arc(dc, rect(r.x, Bottom - Hellipse - 1, Wellipse, Hellipse),
+                      180, 270, FillBrushObj, FALSE);
+
+     app_fill_arc(dc, rect(Right - Wellipse - 1, Bottom - Hellipse - 1, Wellipse,
Hellipse),
+                      270, 360, FillBrushObj,FALSE);
+
+     app_fill_arc(dc, rect(Right - Wellipse - 1, r.y, Wellipse, Hellipse ),
+                      0, 90, FillBrushObj,FALSE);
+  }
+  if (Wellipse < r.width)
+  {
+     app_fill_rect(dc, rect(r.x+rx, r.y, r.width-rx-rx, ry+1), FillBrushObj, FALSE);
+     app_fill_rect(dc, rect(r.x+rx, r.y+r.height-ry+1, r.width-rx-rx, ry-1),
FillBrushObj, FALSE);
+  }
+  if (Hellipse < r.height)
+  {
+     app_fill_rect(dc, rect(r.x, r.y+ry+1, r.width, r.height-ry-ry), FillBrushObj,
FALSE);
+  }
+
+  BRUSHOBJ_UnlockBrush(FillBrushObj);    
+  return TRUE;
+}
+
+
+BOOL
+FASTCALL
+IntDrawRoundRect( PDC dc,
+                  INT Left,
+                  INT Top,
+                  INT Right,
+                  INT Bottom,
+                  INT Wellipse,
+                  INT Hellipse,
+                  PGDIBRUSHOBJ PenBrushObj)
+{
+  Rect r;
+  int rx, ry; /* radius in x and y directions */
+  int w = PenBrushObj->ptPenWidth.x;
+
+  r = rect( Left, Top, abs(Right-Left), abs(Bottom-Top));
+  rx = Wellipse/2;
+  ry = Hellipse/2;
+  
+  if (Wellipse > r.width)
+  {
+     if (Hellipse > r.height) // > W > H
+        app_draw_ellipse(dc, r, PenBrushObj);
+     else // > W < H
+     {
+
+        app_draw_arc(dc, rect( r.x, r.y, r.width - 1, Hellipse - 1),
+                         0, 180, PenBrushObj, FALSE);
+        app_draw_arc(dc, rect(r.x, Bottom - Hellipse, r.width - 1, Hellipse - 1),
+                         180, 360, PenBrushObj, FALSE);
+     }
+  }
+  else if(Hellipse > r.height) // < W > H
+  {
+        app_draw_arc(dc, rect(r.x, r.y, Wellipse - 1, r.height - 1),
+                         90, 270, PenBrushObj, FALSE);
+        app_draw_arc(dc, rect(Right - Wellipse, r.y, Wellipse - 1, r.height - 1),
+                         270, 90, PenBrushObj, FALSE);        
+  }
+  else // < W < H
+  {
+     app_draw_arc(dc, rect(r.x, r.y, Wellipse-1, Hellipse - 1),
+                      90, 180, PenBrushObj, FALSE);
+
+     app_draw_arc(dc, rect(r.x, Bottom - Hellipse, Wellipse - 1, Hellipse - 1),
+                      180, 270, PenBrushObj, FALSE);
+
+     app_draw_arc(dc, rect(Right - Wellipse, Bottom - Hellipse, Wellipse - 1, Hellipse -
1),
+                      270, 360, PenBrushObj, FALSE);
+
+     app_draw_arc(dc, rect(Right - Wellipse, r.y, Wellipse - 1, Hellipse - 1 ),
+                      0, 90, PenBrushObj, FALSE);
+  }
+  if ( Hellipse < r.height)
+  {
+     app_fill_rect(dc, rect(r.x, r.y+ry+1, w, r.height-ry-ry), PenBrushObj, TRUE);
+
+
+     app_fill_rect(dc, rect(r.x+r.width-w, r.y+ry+1, w, r.height-ry-ry),
+                       PenBrushObj, TRUE);
+  }
+  if ( Wellipse < r.width)
+  {
+     app_fill_rect(dc, rect(r.x+rx, r.y+r.height-w, r.width-rx-rx, w),
+                       PenBrushObj, TRUE);
+
+     app_fill_rect(dc, rect(r.x+rx, r.y, r.width-rx-rx, w), PenBrushObj, TRUE);
+  }
+ return TRUE;
+}
+

Modified: trunk/reactos/subsystems/win32/win32k/objects/fillshap.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/fillshap.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/fillshap.c [iso-8859-1] Wed Jul  2
02:47:23 2008
@@ -46,6 +46,8 @@
 
 BOOL FASTCALL IntFillEllipse( PDC dc, INT XLeft, INT YLeft, INT Width, INT Height);
 BOOL FASTCALL IntDrawEllipse( PDC dc, INT XLeft, INT YLeft, INT Width, INT Height,
PGDIBRUSHOBJ PenBrushObj);
+BOOL FASTCALL IntFillRoundRect( PDC dc, INT Left, INT Top, INT Right, INT Bottom, INT
Wellipse, INT Hellipse);
+BOOL FASTCALL IntDrawRoundRect( PDC dc, INT Left, INT Top, INT Right, INT Bottom, INT
Wellipse, INT Hellipse, PGDIBRUSHOBJ PenBrushObj);
 
 BOOL FASTCALL
 IntGdiPolygon(PDC    dc,
@@ -550,7 +552,7 @@
 
         DestRect.left = LeftRect;
         DestRect.right = RightRect;
-        DestRect.top = TopRect;
+        DestRect.top = TopRect;      
         DestRect.bottom = BottomRect;
 
         FillBrushObj = BRUSHOBJ_LockBrush(Dc_Attr->hbrush);
@@ -669,271 +671,97 @@
 FASTCALL
 IntRoundRect(
     PDC  dc,
-    int  left,
-    int  top,
-    int  right,
-    int  bottom,
+    int  Left,
+    int  Top,
+    int  Right,
+    int  Bottom,
     int  xCurveDiameter,
     int  yCurveDiameter)
 {
     PDC_ATTR Dc_Attr;
-    BITMAPOBJ   *BitmapObj;
-    PGDIBRUSHOBJ   PenBrushObj, FillBrushObj;
-    GDIBRUSHINST FillBrushInst, PenBrushInst;
-    RECTL      RectBounds;
-    int potential_steps;
-    int i, col, row, width, height, x1, x1start, x2, x2start, y1, y2;
-    int xradius, yradius;
-    //float aspect_square;
-    long a_square, b_square,
-    two_a_square, two_b_square,
-    four_a_square, four_b_square,
-    d, dinc, ddec;
-    BOOL first,
-    ret = TRUE; // default to success
+    PGDIBRUSHOBJ   PenBrushObj;
+    RECTL RectBounds;
+    LONG PenWidth, PenOrigWidth;
+    BOOL ret = TRUE; // default to success
 
     ASSERT ( dc ); // caller's responsibility to set this up
 
     if ( PATH_IsPathOpen(dc->DcLevel) )
-        return PATH_RoundRect ( dc, left, top, right, bottom,
+        return PATH_RoundRect ( dc, Left, Top, Right, Bottom,
                                 xCurveDiameter, yCurveDiameter );
+
+    if ((Left == Right) || (Top == Bottom)) return TRUE;
+
+    xCurveDiameter = max(abs( xCurveDiameter ), 1);
+    yCurveDiameter = max(abs( yCurveDiameter ), 1);
+
+    if (Right < Left)
+    {
+       INT tmp = Right; Right = Left; Left = tmp;
+    }
+    if (Bottom < Top)
+    {
+       INT tmp = Bottom; Bottom = Top; Top = tmp;
+    }
+
     Dc_Attr = dc->pDc_Attr;
     if(!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
 
-    xradius = xCurveDiameter >> 1;
-    yradius = yCurveDiameter >> 1;
-
-    left += dc->ptlDCOrig.x;
-    right += dc->ptlDCOrig.x;
-    top += dc->ptlDCOrig.y;
-    bottom += dc->ptlDCOrig.y;
-
-    RectBounds.left = left;
-    RectBounds.right = right;
-    RectBounds.top = top;
-    RectBounds.bottom = bottom;
-
-    BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
-    if (!BitmapObj)
+    PenBrushObj = PENOBJ_LockPen(Dc_Attr->hpen);
+    if (!PenBrushObj)
     {
         /* Nothing to do, as we don't have a bitmap */
         SetLastWin32Error(ERROR_INTERNAL_ERROR);
         return FALSE;
     }
 
-    FillBrushObj = BRUSHOBJ_LockBrush(Dc_Attr->hbrush);
-    if (FillBrushObj)
-    {
-        if (FillBrushObj->flAttrs & GDIBRUSH_IS_NULL)
-        {
-            /* make null brush check simpler... */
-            BRUSHOBJ_UnlockBrush(FillBrushObj);
-            FillBrushObj = NULL;
-        }
-        else
-        {
-            IntGdiInitBrushInstance(&FillBrushInst, FillBrushObj,
dc->XlateBrush);
-        }
-    }
-
-    PenBrushObj = PENOBJ_LockPen(Dc_Attr->hpen);
-    if (PenBrushObj)
-    {
-        if (PenBrushObj->flAttrs & GDIBRUSH_IS_NULL)
-        {
-            /* make null pen check simpler... */
-            PENOBJ_UnlockPen(PenBrushObj);
-            PenBrushObj = NULL;
-        }
-        else
-        {
-            IntGdiInitBrushInstance(&PenBrushInst, PenBrushObj, dc->XlatePen);
-        }
-    }
-
-    right--;
-    bottom--;
-
-    width = right - left;
-    height = bottom - top;
-
-    if ( (xradius<<1) > width )
-        xradius = width >> 1;
-    if ( (yradius<<1) > height )
-        yradius = height >> 1;
-
-    b_square = yradius * yradius;
-    a_square = xradius * xradius;
-    row = yradius;
-    col = 0;
-    two_a_square = a_square << 1;
-    four_a_square = a_square << 2;
-    four_b_square = b_square << 2;
-    two_b_square = b_square << 1;
-    d = two_a_square * ((row - 1) * (row))
-        + a_square
-        + two_b_square * (1 - a_square);
-
-    x1 = left+xradius;
-    x2 = right-xradius;
-    y1 = top;
-    y2 = bottom;
-
-    x1start = x1;
-    x2start = x2;
-
-    dinc = two_b_square*3; /* two_b_square * (3 + (col << 1)); */
-    ddec = four_a_square * row;
-
-    first = TRUE;
-    for ( ;; )
-    {
-        if ( d >= 0 )
-        {
-            if ( FillBrushObj )
-                PUTLINE ( x1, y1, x2, y1, FillBrushInst );
-            if ( first )
-            {
-                if ( PenBrushObj )
-                {
-                    if ( x1start > x1 )
-                    {
-                        PUTLINE ( x1, y1, x1start, y1, PenBrushInst );
-                        PUTLINE ( x2start+1, y2, x2+1, y2, PenBrushInst );
-                    }
-                    else
-                    {
-                        PUTPIXEL ( x1, y1, PenBrushInst );
-                        PUTPIXEL ( x2, y2, PenBrushInst );
-                    }
-                }
-                first = FALSE;
-            }
-            else
-            {
-                if ( FillBrushObj )
-                    PUTLINE ( x1, y2, x2, y2, FillBrushInst );
-                if ( PenBrushObj )
-                {
-                    if ( x1start >= x1 )
-                    {
-                        PUTLINE ( x1, y1, x1start+1, y1, PenBrushInst );
-                        PUTLINE ( x2start, y2, x2+1, y2, PenBrushInst );
-                    }
-                    else
-                    {
-                        PUTPIXEL ( x1, y1, PenBrushInst );
-                        PUTPIXEL ( x2, y2, PenBrushInst );
-                    }
-                }
-            }
-            if ( PenBrushObj )
-            {
-                if ( x1start > x1 )
-                {
-                    PUTLINE ( x1, y2, x1start+1, y2, PenBrushInst );
-                    PUTLINE ( x2start, y1, x2+1, y1, PenBrushInst );
-                }
-                else
-                {
-                    PUTPIXEL ( x1, y2, PenBrushInst );
-                    PUTPIXEL ( x2, y1, PenBrushInst );
-                }
-            }
-            x1start = x1-1;
-            x2start = x2+1;
-            row--, y1++, y2--, ddec -= four_a_square;
-            d -= ddec;
-        }
-
-        potential_steps = ( a_square * row ) / b_square - col + 1;
-        while ( d < 0 && potential_steps-- )
-        {
-            d += dinc; /* two_b_square * (3 + (col << 1)); */
-            col++, x1--, x2++, dinc += four_b_square;
-        }
-
-        if ( a_square * row <= b_square * col )
-            break;
-    };
-
-    d = two_b_square * (col + 1) * col
-        + two_a_square * (row * (row - 2) + 1)
-        + (1 - two_a_square) * b_square;
-    dinc = ddec; /* four_b_square * col; */
-    ddec = two_a_square * ((row << 1) - 3);
-
-    while ( row )
-    {
-        if ( FillBrushObj )
-        {
-            PUTLINE ( x1, y1, x2, y1, FillBrushInst );
-            PUTLINE ( x1, y2, x2, y2, FillBrushInst );
-        }
-        if ( PenBrushObj )
-        {
-            PUTPIXEL ( x2, y1, PenBrushInst );
-            PUTPIXEL ( x1, y2, PenBrushInst );
-            PUTPIXEL ( x2, y2, PenBrushInst );
-            PUTPIXEL ( x1, y1, PenBrushInst );
-        }
-
-        if ( d <= 0 )
-        {
-            col++, x1--, x2++, dinc += four_b_square;
-            d += dinc; //four_b_square * col;
-        }
-
-        row--, y1++, y2--, ddec -= four_a_square;
-        d -= ddec; //two_a_square * ((row << 1) - 3);
-    }
-
-    if ( FillBrushObj )
-    {
-        PUTLINE ( left, y1, right, y1, FillBrushInst );
-        PUTLINE ( left, y2, right, y2, FillBrushInst );
-    }
-    if ( PenBrushObj )
-    {
-        if ( x1 > (left+1) )
-        {
-            PUTLINE ( left, y1, x1, y1, PenBrushInst );
-            PUTLINE ( x2+1, y1, right, y1, PenBrushInst );
-            PUTLINE ( left+1, y2, x1, y2, PenBrushInst );
-            PUTLINE ( x2+1, y2, right+1, y2, PenBrushInst );
-        }
-        else
-        {
-            PUTPIXEL ( left, y1, PenBrushInst );
-            PUTPIXEL ( right, y2, PenBrushInst );
-        }
-    }
-
-    x1 = left+xradius;
-    x2 = right-xradius;
-    y1 = top+yradius;
-    y2 = bottom-yradius;
-
-    if ( FillBrushObj )
-    {
-        for ( i = y1+1; i < y2; i++ )
-            PUTLINE ( left, i, right, i, FillBrushInst );
-    }
-
-    if ( PenBrushObj )
-    {
-        PUTLINE ( x1,    top,    x2,    top,    PenBrushInst );
-        PUTLINE ( right, y1,     right, y2,     PenBrushInst );
-        PUTLINE ( x2,    bottom, x1,    bottom, PenBrushInst );
-        PUTLINE ( left,  y2,     left,  y1,     PenBrushInst );
-    }
-
-    BITMAPOBJ_UnlockBitmap(BitmapObj);
-    if (PenBrushObj != NULL)
-        PENOBJ_UnlockPen(PenBrushObj);
-    if (FillBrushObj != NULL)
-        BRUSHOBJ_UnlockBrush(FillBrushObj);
-
+    PenOrigWidth = PenWidth = PenBrushObj->ptPenWidth.x;
+    if (PenBrushObj->ulPenStyle == PS_NULL) PenWidth = 0;
+
+    if (PenBrushObj->ulPenStyle == PS_INSIDEFRAME)
+    {
+       if (2*PenWidth > (Right - Left)) PenWidth = (Right -Left + 1)/2;
+       if (2*PenWidth > (Bottom - Top)) PenWidth = (Bottom -Top + 1)/2;
+       Left   += PenWidth / 2;
+       Right  -= (PenWidth - 1) / 2;
+       Top    += PenWidth / 2;
+       Bottom -= (PenWidth - 1) / 2;
+    }
+
+    if (!PenWidth) PenWidth = 1;
+    PenBrushObj->ptPenWidth.x = PenWidth;  
+
+    RectBounds.left = Left;
+    RectBounds.top = Top;
+    RectBounds.right = Right;
+    RectBounds.bottom = Bottom;
+
+    IntLPtoDP(dc, (LPPOINT)&RectBounds, 2);
+
+    RectBounds.left   += dc->ptlDCOrig.x;
+    RectBounds.top    += dc->ptlDCOrig.y;
+    RectBounds.right  += dc->ptlDCOrig.x;
+    RectBounds.bottom += dc->ptlDCOrig.y;
+
+    ret = IntFillRoundRect( dc,
+               RectBounds.left,
+                RectBounds.top,
+              RectBounds.right,
+             RectBounds.bottom,
+                xCurveDiameter,
+                yCurveDiameter);
+    if (ret)
+       ret = IntDrawRoundRect( dc,
+                  RectBounds.left,
+                   RectBounds.top,
+                 RectBounds.right,
+                RectBounds.bottom,
+                   xCurveDiameter,
+                   yCurveDiameter,
+                   PenBrushObj);
+
+    PenBrushObj->ptPenWidth.x = PenOrigWidth;
+    PENOBJ_UnlockPen(PenBrushObj);
     return ret;
 }