diff -r 000000000000 -r 5d03bc08d59c windowing/windowserver/nga/SERVER/WSANIMGC.CPP
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nga/SERVER/WSANIMGC.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,647 @@
+// Copyright (c) 1996-2009 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:
+// Interface code for animated DLL's GC
+// 
+//
+
+#include <e32std.h>
+#include "server.h"
+#include "playbackgc.h"
+#include "ANIM.H"
+#include "wsfont.h"
+#include "bitgditomwsgraphicscontextmappings.h"
+#include "devicemap.h"
+
+CWsAnimGc::CWsAnimGc(CWsAnim& aWsAnim) : iOwningWsAnim(aWsAnim), iUserActive(EFalse), iUseDrawingRegion(EFalse)
+	{
+	__DECLARE_NAME(_S("CWsAnimGc"));
+	}
+
+CWsAnimGc::~CWsAnimGc()
+	{
+	iDrawingRegion.Close();
+	}
+
+void CWsAnimGc::Activate(const TRegion* aRegion, MWsGraphicsContext* aGc)
+	{
+	iBaseRegion = aRegion ? aRegion : iOwningWsAnim.ClientWindow()->DrawingRegion();
+	iGc = aGc;
+	iUserActive = ETrue;
+	Reset();
+	}
+
+void CWsAnimGc::Deactivate()
+	{
+	CloseCurrentFont();
+	iGc = NULL;
+	iUserActive = EFalse;
+	iUseDrawingRegion = EFalse;
+	iDrawingRegion.Close();
+	}
+
+TBool CWsAnimGc::IsActive() const
+	{
+	return (iUserActive || (iGc != NULL));
+	}
+
+void CWsAnimGc::UserActivate()
+	{
+	if (iUserActive)
+		{
+		// Already active
+		UserDeactivate();
+		iOwningWsAnim.SessionPanic();
+		}
+	iUserActive = ETrue;
+	}
+
+void CWsAnimGc::UserDeactivate()
+	{
+	CloseCurrentFont();
+
+	if (iUserActive)
+		{
+		iUserActive = EFalse;
+		}
+	}
+
+CGraphicsDevice* CWsAnimGc::Device() const
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+
+	return NULL; //deprecated
+	}
+
+void CWsAnimGc::SetClippingRect(const TRect& aRect)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+
+	if (iGc)
+		{
+		iClippingRect = aRect;
+		iClippingRect.Move(iOwningWsAnim.ClientWindow()->Origin());
+		iClippingRect.Intersection(iOwningWsAnim.ClientWindow()->AbsRect());
+
+		STACK_REGION region;
+		region.Copy(*iBaseRegion);
+		if (iUseDrawingRegion)
+			region.Intersect(iDrawingRegion);
+		region.ClipRect(iClippingRect);
+		region.Tidy();
+
+		iGc->SetClippingRegion(region);
+		region.Close();
+
+		if (iGc->GetError())
+			iClippingRect = iOwningWsAnim.ClientWindow()->AbsRect(); // On error revert to the default clipping rect
+		}
+	}
+
+TInt CWsAnimGc::SetClippingRegion(const TRegion &aRegion)
+	{
+	if (!iUserActive)
+		return KErrGeneral;
+
+	TInt error = KErrNone;
+	if (iGc)
+		{
+		STACK_REGION region;
+		region.Copy(aRegion);
+		region.Offset(iOwningWsAnim.ClientWindow()->Origin());
+		region.Intersect(*iBaseRegion);
+		region.ClipRect(iClippingRect);
+		region.Tidy();
+
+		iGc->SetClippingRegion(region);
+		region.Close();
+
+		error = iGc->GetError();
+		if (!error)
+			{ // Need to keep a copy of the region in screen coordinates
+			iDrawingRegion.Copy(aRegion);
+			iDrawingRegion.Offset(iOwningWsAnim.ClientWindow()->Origin());
+			iUseDrawingRegion = ETrue;
+			}
+		}
+	return error;
+	}
+
+void CWsAnimGc::CancelClippingRegion()
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+
+	if (iGc)
+		{
+		iDrawingRegion.Close();
+		iUseDrawingRegion = EFalse;
+
+		STACK_REGION region;
+		region.Copy(*iBaseRegion);
+		region.ClipRect(iClippingRect);
+		region.Tidy();
+		iGc->SetClippingRegion(region);
+		region.Close();
+		}
+	}
+
+void CWsAnimGc::CancelClippingRect()
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+
+	if (iGc)
+		{
+		iClippingRect = iOwningWsAnim.ClientWindow()->AbsRect(); // Revert to the default clipping rect
+
+		STACK_REGION region;
+		region.Copy(*iBaseRegion);
+		if (iUseDrawingRegion)
+			region.Intersect(iDrawingRegion);
+		region.ClipRect(iClippingRect);
+		region.Tidy();
+		iGc->SetClippingRegion(region);
+		region.Close();
+		}
+	}
+
+void CWsAnimGc::SetDrawMode(TDrawMode aDrawingMode)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+
+	if (iGc)
+		iGc->SetDrawMode(BitGdiToMWsGraphicsContextMappings::LossyConvert(aDrawingMode));
+	}
+
+void CWsAnimGc::UseFont(const CFont *aFont)
+	{
+	CloseCurrentFont();
+	iFont=(CAnimFbsFont *)aFont;
+	iFont->Open();
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetFontNoDuplicate(iFont);
+	}
+
+void CWsAnimGc::DiscardFont()
+	{
+	CloseCurrentFont();
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->ResetFont();
+	}
+
+void CWsAnimGc::SetUnderlineStyle(TFontUnderline aUnderlineStyle)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetUnderlineStyle(BitGdiToMWsGraphicsContextMappings::Convert(aUnderlineStyle));
+	}
+
+void CWsAnimGc::SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetStrikethroughStyle(BitGdiToMWsGraphicsContextMappings::Convert(aStrikethroughStyle));
+	}
+
+void CWsAnimGc::SetWordJustification(TInt aExcessWidth,TInt aNumGaps)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetWordJustification(aExcessWidth,aNumGaps);
+	}
+
+void CWsAnimGc::SetCharJustification(TInt aExcessWidth,TInt aNumChars)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetCharJustification(aExcessWidth,aNumChars);
+	}
+
+void CWsAnimGc::SetPenColor(const TRgb &aColor)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetPenColor(aColor);
+	}
+
+void CWsAnimGc::SetPenStyle(TPenStyle aPenStyle)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetPenStyle(BitGdiToMWsGraphicsContextMappings::Convert(aPenStyle));
+	}
+
+void CWsAnimGc::SetPenSize(const TSize& aSize)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetPenSize(aSize);
+	}
+
+void CWsAnimGc::SetBrushColor(const TRgb &aColor)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetBrushColor(aColor);
+	}
+
+void CWsAnimGc::SetBrushStyle(TBrushStyle aBrushStyle)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetBrushStyle(BitGdiToMWsGraphicsContextMappings::Convert(aBrushStyle));
+	}
+
+void CWsAnimGc::SetBrushOrigin(const TPoint &aOrigin)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetBrushOrigin(aOrigin);
+	}
+
+void CWsAnimGc::UseBrushPattern(const CFbsBitmap *aBitmap)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetBrushPattern(*aBitmap);
+	}
+
+void CWsAnimGc::DiscardBrushPattern()
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->ResetBrushPattern();
+	}
+
+void CWsAnimGc::SetFaded(TBool /*aFaded*/) // Deprecated
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	// Do nothing
+	}
+
+void CWsAnimGc::SetFadingParameters(TUint8 /*aBlackMap*/,TUint8 /*aWhiteMap*/) // Deprecated
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	// Do nothing 
+	}
+
+//
+// Drawing commands 								//
+//
+
+void CWsAnimGc::DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawArc(aRect,aStart,aEnd);
+	}
+
+void CWsAnimGc::DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawPie(aRect,aStart,aEnd);
+	}
+
+void CWsAnimGc::DrawLine(const TPoint &aPoint1,const TPoint &aPoint2)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawLine(aPoint1, aPoint2);
+	}
+
+void CWsAnimGc::DrawLineTo(const TPoint &aPoint)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawLineTo(aPoint);
+	}
+
+void CWsAnimGc::DrawLineBy(const TPoint &aPoint)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawLineBy(aPoint);
+	}
+
+void CWsAnimGc::DrawEllipse(const TRect &aRect)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawEllipse(aRect);
+	}
+
+void CWsAnimGc::DrawRect(const TRect &aRect)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawRect(aRect);
+	}
+
+void CWsAnimGc::DrawRoundRect(const TRect &aRect,const TSize &aCornerSize)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawRoundRect(aRect, aCornerSize);
+	}
+
+void CWsAnimGc::Clear(const TRect &aRect)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->Clear(aRect);
+	}
+
+void CWsAnimGc::Clear()
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->Clear();
+	}
+
+void CWsAnimGc::BitBlt(const TPoint &aPoint,const CFbsBitmap *aBitmap)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->BitBlt(aPoint, *aBitmap);
+	}
+
+void CWsAnimGc::BitBlt(const TPoint &aDestination,const CFbsBitmap *aBitmap,const TRect &aSource)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->BitBlt(aDestination, *aBitmap, aSource);
+	}
+
+void CWsAnimGc::BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->BitBltMasked(aPoint, *aBitmap, aSourceRect, *aMaskBitmap, aInvertMask);
+	}
+
+void CWsAnimGc::DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aSource)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		{
+		// DrawBitmap(TPoint&, ) uses the size of the bitmap in twips, but 
+		// MWsGraphicsContext::DrawBitmap() takes a TRect in pixels, so we need to convert
+		TRect destRect(iOwningWsAnim.ClientWindow()->Screen()->DeviceMap().TwipsToPixels(aSource->SizeInTwips()));
+		destRect.Move(aTopLeft); //aTopLeft is defined in pixels, that's why we're not converting it
+		iGc->DrawBitmap(destRect, *aSource);
+		}
+	}
+
+void CWsAnimGc::DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aSource)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawBitmap(aDestRect, *aSource);
+	}
+
+void CWsAnimGc::DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aSource, const TRect &aSrcRect)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawBitmap(aDestRect, *aSource, aSrcRect);
+	}
+
+void CWsAnimGc::DrawBitmapMasked(const TRect &aDestRect, const CFbsBitmap *aBitmap, const TRect &aSrcRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawBitmapMasked(aDestRect, *aBitmap, aSrcRect, *aMaskBitmap, aInvertMask);
+	}
+
+void CWsAnimGc::DrawBitmapMasked(const TRect& aDestRect,const CWsBitmap* aBitmap,const TRect& aSrcRect,const CWsBitmap* aMaskBitmap, TBool aInvertMask)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawBitmapMasked(aDestRect, *aBitmap, aSrcRect, *aMaskBitmap, aInvertMask);
+	}
+
+void CWsAnimGc::DrawPolyLine(const TPoint* aPointList,TInt aNumPoints)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		{
+		TArrayWrapper<TPoint> points(aPointList, aNumPoints);
+		iGc->DrawPolyLine(points);
+		}
+	}
+
+void CWsAnimGc::DrawPolyLine(const CArrayFix<TPoint> *aPointList)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->DrawPolyLine(aPointList->Array());
+	}
+
+TInt CWsAnimGc::DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule)
+	{
+	TInt result = KErrGeneral;
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		{
+		TArrayWrapper<TPoint> pointsArray(aPointList, aNumPoints);
+		iGc->DrawPolygon(pointsArray, BitGdiToMWsGraphicsContextMappings::Convert(aFillRule));
+		result = iGc->GetError();
+		}
+	return result;
+	}
+
+TInt CWsAnimGc::DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if(!aPointList)
+		return KErrArgument;
+	TInt result = KErrGeneral;
+	if (iGc)
+		{
+		iGc->DrawPolygon(aPointList->Array(), BitGdiToMWsGraphicsContextMappings::Convert(aFillRule));
+		result = iGc->GetError(); 
+		}
+	return result;
+	}
+
+void CWsAnimGc::DrawText(const TDesC &aString,const TPoint &aPosition)
+	{
+	if (!iFont)
+		iOwningWsAnim.Panic(EWservPanicNoFont);
+	if (iGc)
+		iGc->DrawText(aString, NULL, aPosition);
+	}
+
+void CWsAnimGc::DrawText(const TDesC &aString,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz,TInt aLeftMrg)
+	{
+	if (!iFont)
+		iOwningWsAnim.Panic(EWservPanicNoFont);
+	if (iGc)
+		iGc->DrawText(aString, NULL, aBox, aBaselineOffset, BitGdiToMWsGraphicsContextMappings::Convert(aHoriz), aLeftMrg);	
+	}
+
+void CWsAnimGc::MoveTo(const TPoint &aPoint)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->MoveTo(aPoint);
+	}
+
+void CWsAnimGc::MoveBy(const TPoint &aPoint)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->MoveBy(aPoint);
+	}
+
+void CWsAnimGc::Plot(const TPoint &aPoint)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->Plot(aPoint);
+	}
+
+void CWsAnimGc::SetOrigin(const TPoint &aPoint)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->SetOrigin(iOwningWsAnim.ClientWindow()->Origin() + aPoint);
+	}
+
+void CWsAnimGc::CopyRect(const TPoint& aOffset,const TRect& aRect)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->CopyRect(aOffset, aRect);
+	}
+
+void CWsAnimGc::Reset()
+	{
+	CloseCurrentFont();
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		iGc->Reset();
+	SetOrigin(TPoint(0,0));
+	CancelClippingRect();
+	CancelClippingRegion();
+	}
+
+void CWsAnimGc::CloseCurrentFont()
+	{
+	if (iFont)
+		{
+		iFont->Close();
+		iFont=NULL;
+		}
+	}
+
+/**
+@see CBitmapContext::AlphaBlendBitmaps()*/
+TInt CWsAnimGc::AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp,	const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp,	const TPoint& aAlphaPt)	
+	{
+	TInt result = KErrGeneral;
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	if (iGc)
+		{
+		iGc->BitBltMasked(aDestPt, *aSrcBmp, aSrcRect, *aAlphaBmp, aAlphaPt);
+		result = iGc->GetError();
+		}
+	return result;
+	}
+
+/*Body stub implementation. The alternate AlphaBlendBitmap function using CFbsBitmaps should instead be used*/
+TInt CWsAnimGc::AlphaBlendBitmaps(const TPoint& /*aDestPt*/, const CWsBitmap* /*aSrcBmp*/,	const TRect& /*aSrcRect*/, const CWsBitmap* /*aAlphaBmp*/,	const TPoint& /*aAlphaPt*/)
+	{
+	return KErrNone;		
+	};
+
+/**
+@see CGraphicsContext::MapColors()*/
+void CWsAnimGc::MapColors(const TRect& /*aRect*/,const TRgb* /*aColors*/,TInt /*aNumPairs*/,TBool /*aMapForwards*/)
+	{
+	if (!iUserActive)
+		iOwningWsAnim.Panic(EWservPanicAnimLeave);
+	}
+
+/**
+@see CGraphicsContext::DrawTextVertical()*/
+void CWsAnimGc::DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp)
+	{
+	if (!iFont) 
+		iOwningWsAnim.Panic(EWservPanicNoFont);
+	if (iGc)
+		iGc->DrawTextVertical(aText, NULL, aPos, aUp);
+	}
+
+/**
+@see CGraphicsContext::DrawTextVertical()*/
+void CWsAnimGc::DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert,TInt aMargin)
+	{
+	if (!iFont) 
+		iOwningWsAnim.Panic(EWservPanicNoFont);
+	if (iGc)
+		iGc->DrawTextVertical(aText, NULL, aBox, aBaselineOffset, aUp, BitGdiToMWsGraphicsContextMappings::Convert(aVert), aMargin);
+	}
+