--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/directgdiadaptation/swsrc/swdirectgdiroundrec.cpp Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,199 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "swdirectgdiengine.h"
+#include "swdirectgdiellipse.h"
+
+/**
+@see MDirectGdiEngine::DrawRoundRect()
+*/
+void CSwDirectGdiEngine::DrawRoundRect(const TRect& aRect, const TSize& aCornerSize)
+ {
+ TSize cornerSize(aCornerSize);
+ cornerSize.iWidth <<= 1;
+ cornerSize.iHeight <<= 1;
+
+
+ TRect rcpy(aRect);
+ rcpy.Move(iOrigin);
+ TruncateRect(rcpy);
+ cornerSize.iWidth = Min(rcpy.Width(),cornerSize.iWidth);
+ cornerSize.iHeight = Min(rcpy.Height(),cornerSize.iHeight);
+
+ TRect targetRect(rcpy);
+ targetRect.Grow((iPenSize.iWidth >> 1) + 1,(iPenSize.iHeight >> 1) + 1);
+
+ if (iBrushStyle != DirectGdi::ENullBrush)
+ {
+ RoundRectFill(rcpy,cornerSize);
+ }
+
+ if ((iPenStyle != DirectGdi::ENullPen) && ((iPenSize.iWidth > 0) && (iPenSize.iHeight > 0)))
+ {
+ RoundRectOutline(rcpy, cornerSize);
+ }
+ }
+
+/**
+@see DrawRoundRect()
+*/
+void CSwDirectGdiEngine::RoundRectFill(const TRect& aRect, const TSize& aCornerSize)
+ {
+ TRect rcpy(aRect);
+ if (iPenSize.iWidth < 1 || iPenSize.iHeight < 1)
+ {
+ rcpy.Grow(1,1);
+ }
+
+ TInt xoff = rcpy.Width() - aCornerSize.iWidth;
+ TInt yoff = rcpy.Height() - aCornerSize.iHeight;
+ TPoint tl, tr, bl, br;
+ TInt prevlev = 0;
+ TBool draw = EFalse;
+
+ TRect clipRect(0,0,0,0);
+ const TInt limit = iDefaultRegionPtr->Count();
+ for (TInt count = 0; count < limit; count++)
+ {
+ clipRect = (*iDefaultRegionPtr)[count];
+ if (!clipRect.Intersects(aRect))
+ {
+ continue;
+ }
+
+ draw = ETrue;
+ clipRect.Intersection(aRect);
+
+ TSwDirectGdiEllipse ellipse;
+ ellipse.Construct(TRect(rcpy.iTl,rcpy.iTl + aCornerSize));
+ ellipse.SingleStep(tl, tr, bl, br);
+ prevlev = tl.iY;
+
+ while (!ellipse.SingleStep(tl, tr, bl, br))
+ {
+ if (tl.iY == prevlev)
+ {
+ continue;
+ }
+
+ tl.iX++;
+ tr.iX += xoff - 1;
+ bl.iX++;
+ bl.iY += yoff;
+ br.iX += xoff - 1;
+ br.iY += yoff;
+
+ ClipFillLine(tl, tr,clipRect);
+ ClipFillLine(bl, br,clipRect);
+
+ prevlev = tl.iY;
+ }
+
+ iDrawDevice->UpdateRegion(clipRect);
+ }
+
+ if (!draw)
+ {
+ return;
+ }
+
+ if (tl.iY >= bl.iY)
+ {
+ tl.iY--;
+ br.iY++;
+ }
+
+ tl.iX++;
+ tl.iY++;
+ br.iX += xoff;
+ br.iY += yoff;
+
+ RectFill(TRect(tl,br));
+ }
+
+/**
+@see DrawRoundRect()
+*/
+void CSwDirectGdiEngine::RoundRectOutline(const TRect& aRect, const TSize& aCornerSize)
+ {
+ TRect rcpy(aRect);
+ const TInt halfpenwidth = (iPenSize.iWidth + 1) >> 1;
+ const TInt halfpenheight = (iPenSize.iHeight + 1) >> 1;
+ rcpy.Grow(halfpenwidth,halfpenheight);
+
+ TPoint tl, tr, bl, br;
+ const TInt xoff = aRect.Width() - aCornerSize.iWidth;
+ const TInt yoff = aRect.Height() - aCornerSize.iHeight;
+ const TInt dotparam = iDotParam;
+
+ TRect clipRect(0,0,0,0);
+ const TInt limit = iDefaultRegionPtr->Count();
+ for (TInt count = 0; count < limit; count++)
+ {
+ clipRect = (*iDefaultRegionPtr)[count];
+ if (!clipRect.Intersects(rcpy))
+ {
+ continue;
+ }
+ clipRect.Intersection(rcpy);
+
+ iDotParam = Max(iPenSize.iWidth >> 1,iPenSize.iHeight >> 1);
+ TInt column = aRect.iTl.iX + (aCornerSize.iWidth >> 1);
+ TInt lastcolumn = aRect.iTl.iX + xoff + (aCornerSize.iWidth >> 1);
+
+ for (; column < lastcolumn; column++)
+ {
+ PenDrawClipped(TPoint(column,aRect.iTl.iY), clipRect);
+ PenDrawClipped(TPoint(column,aRect.iBr.iY - 1), clipRect);
+ iDotParam += iDotDirection;
+ }
+
+ TSwDirectGdiEllipse ellipse;
+ ellipse.Construct(TRect(aRect.iTl,aRect.iTl + aCornerSize));
+ while (!ellipse.SingleStep(tl,tr,bl,br))
+ {
+ tr.iX += xoff;
+ bl.iY += yoff;
+ br.iX += xoff;
+ br.iY += yoff;
+
+ PenDrawClipped(tl, clipRect);
+ PenDrawClipped(tr, clipRect);
+ PenDrawClipped(bl, clipRect);
+ PenDrawClipped(br, clipRect);
+
+ iDotParam += iDotDirection;
+ }
+
+ if (tl.iY >= bl.iY)
+ {
+ tl.iY--;
+ bl.iY++;
+ }
+
+ bl.iY += yoff;
+
+ for (column = tl.iY + 1; column < bl.iY; column++)
+ {
+ PenDrawClipped(TPoint(aRect.iTl.iX,column), clipRect);
+ PenDrawClipped(TPoint(aRect.iBr.iX - 1,column), clipRect);
+ iDotParam += iDotDirection;
+ }
+
+ iDrawDevice->UpdateRegion(clipRect);
+ }
+
+ iDotParam = dotparam;
+ }