sl@0: // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Anim DLL to deal with handwriting
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "HANDANIM.H"
sl@0: 
sl@0: #define DEFAUlT_LINE_WIDTH 4
sl@0: #define DEFAUlT_MASK_WIDTH_FACTOR 3
sl@0: #define DEFAUlT_END_POINT_FACTOR 2
sl@0: #define BLACK TRgb::Gray2(0)
sl@0: #define WHITE TRgb::Gray2(1)
sl@0: 
sl@0: #define leavescan_needs_to_see_some_brackets_here	{	}
sl@0: EXPORT_C CAnimDll *CreateCAnimDllL()
sl@0: 	{
sl@0: 	return(new(ELeave) CHandWritingAnimDll());
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /*CHandWritingAnimDll*/
sl@0: 
sl@0: CAnim *CHandWritingAnimDll::CreateInstanceL(TInt /*aType*/)
sl@0: 	{
sl@0: 	return new(ELeave) CHandWritingAnim();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /*CHandWritingAnim*/
sl@0: 
sl@0: CHandWritingAnim::~CHandWritingAnim()
sl@0: 	{
sl@0: 	iFunctions->GetRawEvents(EFalse);
sl@0: 	delete iBitmapDevice;
sl@0: 	delete iMaskBitmapDevice;
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::Activate()
sl@0: 	{
sl@0: 	if (iState==EHwStateDeactive)
sl@0: 		{
sl@0: 		iState=EHwStateInactive;
sl@0: 		iFunctions->GetRawEvents(ETrue);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::Deactivate()
sl@0: 	{
sl@0: 	if (iState!=EHwStateDeactive)
sl@0: 		{
sl@0: 		iState=EHwStateDeactive;
sl@0: 		iFunctions->GetRawEvents(EFalse);
sl@0: 		iSpriteFunctions->Activate(EFalse);
sl@0: 		ClearSprite();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::SpriteChangeL(TBool aUsingSeparateMask)
sl@0: 	{
sl@0: 	if (aUsingSeparateMask)
sl@0: 		{
sl@0: 		TSpriteMember *spriteMember=iSpriteFunctions->GetSpriteMember(0);
sl@0: 		iMaskBitmapDevice=CFbsBitmapDevice::NewL(spriteMember->iMaskBitmap);		//If this leaves the error value will be returned to the client side
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		delete iMaskBitmapDevice;
sl@0: 		iMaskBitmapDevice=NULL;
sl@0: 		iDrawData.iLineColor=BLACK;		//Must use black ink when there is no mask
sl@0: 		iDrawData.iInitialBitmapColor=WHITE;		//Must have white background when there is no mask
sl@0: 		}
sl@0: 	iIsMask=aUsingSeparateMask;
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::SetDrawData(THandwritingDrawData *aDrawData)
sl@0: 	{
sl@0: 	iDrawData=*aDrawData;
sl@0: 	if (!iIsMask)
sl@0: 		{
sl@0: 		iDrawData.iLineColor=BLACK;		//Must use black ink when there is no mask
sl@0: 		iDrawData.iInitialBitmapColor=WHITE;		//Must have white background when there is no mask
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TBool CHandWritingAnim::HandlePointerDown(TPoint aPoint)
sl@0: 	{
sl@0: 	if (iState==EHwStateWaitingMove)
sl@0: 		return EFalse;
sl@0: 	iCurrentDrawPoint=aPoint;
sl@0: 	if (iState==EHwStateInactive)
sl@0: 		{
sl@0: 		iState=EHwStateWaitingMove;
sl@0: 		StartTimer();
sl@0: 		return ETrue;
sl@0: 		}
sl@0: 	iState=EHwStateDrawing;
sl@0: 	DrawPoint();
sl@0: 	UpdateSprite();
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: TBool CHandWritingAnim::HandlePointerMove(TPoint aPoint)
sl@0: 	{
sl@0: 	switch (iState)
sl@0: 		{
sl@0: 	case EHwStateWaitingMove:
sl@0: 		{
sl@0: 		TPoint moved=aPoint-iCurrentDrawPoint;
sl@0: 		if (Abs(moved.iX)<5 && Abs(moved.iY)<5)			//Need to do something with these constants
sl@0: 			return ETrue;
sl@0: 		iSpriteFunctions->Activate(ETrue);
sl@0: 		DrawPoint();
sl@0: 		iState=EHwStateDrawing;
sl@0: 		}
sl@0: 	case EHwStateDrawing:
sl@0: 		break;
sl@0: 	default:
sl@0: 		return EFalse;
sl@0: 		}
sl@0: 	DrawLine(aPoint);
sl@0: 	UpdateSprite();
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: TBool CHandWritingAnim::HandlePointerUp(TPoint aPoint)
sl@0: 	{
sl@0: 	if (iState==EHwStateInactive)
sl@0: 		return EFalse;
sl@0: 	else if (iState==EHwStateWaitingMove)
sl@0: 		{
sl@0: 		TPoint moved=aPoint-iCurrentDrawPoint;
sl@0: 		if (Abs(moved.iX)<5 && Abs(moved.iY)<5)			//Need to do something with these constants
sl@0: 			{
sl@0: 			SendEatenDownEvent();
sl@0: 			return EFalse;
sl@0: 			}
sl@0: 		iSpriteFunctions->Activate(ETrue);
sl@0: 		DrawPoint();
sl@0: 		}
sl@0: 	DrawLine(aPoint);
sl@0: 	DrawPoint();
sl@0: 	UpdateSprite();
sl@0: 	iState=EHwStateWaitingStroke;
sl@0: 	StartTimer();
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::DrawPoint()
sl@0: 	{
sl@0: 	iSpriteGc->Activate(iBitmapDevice);
sl@0: 	iSpriteGc->SetPenSize(TSize(iDrawData.iEndPontWidth,iDrawData.iEndPontWidth));
sl@0: 	iSpriteGc->SetPenColor(iDrawData.iLineColor);
sl@0: 	iSpriteGc->Plot(iCurrentDrawPoint);
sl@0: 	if (iMaskBitmapDevice)
sl@0: 		{
sl@0: 		iSpriteGc->Activate(iMaskBitmapDevice);
sl@0: 		iSpriteGc->SetPenSize(TSize(iDrawData.iMaskLineWidth,iDrawData.iMaskLineWidth));
sl@0: 		iSpriteGc->SetPenColor(BLACK);		//Mask must be drawn in black
sl@0: 		iSpriteGc->Plot(iCurrentDrawPoint);
sl@0: 		}
sl@0: 	iPointStore->AddPoint(iCurrentDrawPoint);
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::DrawLine(TPoint aEndPoint)
sl@0: 	{
sl@0: 	iSpriteGc->Activate(iBitmapDevice);
sl@0: 	iSpriteGc->SetPenSize(TSize(iDrawData.iLineWidth,iDrawData.iLineWidth));
sl@0: 	iSpriteGc->SetPenColor(iDrawData.iLineColor);
sl@0: 	iSpriteGc->MoveTo(iCurrentDrawPoint);
sl@0: 	iSpriteGc->DrawLineTo(aEndPoint);
sl@0: 	if (iMaskBitmapDevice)
sl@0: 		{
sl@0: 		iSpriteGc->Activate(iMaskBitmapDevice);
sl@0: 		iSpriteGc->SetPenSize(TSize(iDrawData.iMaskLineWidth,iDrawData.iMaskLineWidth));
sl@0: 		iSpriteGc->SetPenColor(BLACK);		//Mask must be drawn in black
sl@0: 		iSpriteGc->MoveTo(iCurrentDrawPoint);
sl@0: 		iSpriteGc->DrawLineTo(aEndPoint);
sl@0: 		}
sl@0: 	iCurrentDrawPoint=aEndPoint;
sl@0: 	iPointStore->AddPoint(aEndPoint);
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::UpdateSprite()
sl@0: 	{
sl@0: 	TRect drawTo;
sl@0: 	iSpriteGc->RectDrawnTo(drawTo);
sl@0: 	iSpriteFunctions->UpdateMember(0,drawTo,EFalse);
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::StartTimer()
sl@0: 	{
sl@0: 	iFunctions->SetNextInterval(2);
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::SendEatenDownEvent()
sl@0: 	{
sl@0: 	TRawEvent rawEvent;
sl@0: 	rawEvent.Set(TRawEvent::EButton1Down,iCurrentDrawPoint.iX,iCurrentDrawPoint.iY);
sl@0: 	iFunctions->PostRawEvent(rawEvent);
sl@0: 	iState=EHwStateInactive;
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::CharacterFinished()
sl@0: 	{		
sl@0: 	iState=EHwStateInactive;
sl@0: 	iLastGeneratedCharacter=iPointStore->GetChar();
sl@0: 	/*TRawEvent rawEvent;
sl@0: 	rawEvent.Set(TRawEvent::EKeyDown,iLastGeneratedCharacter);
sl@0: 	iFunctions->PostKeyEvent(rawEvent);*/
sl@0:     TKeyEvent keyEvent;
sl@0:     keyEvent.iCode=keyEvent.iScanCode=iLastGeneratedCharacter;
sl@0:     keyEvent.iModifiers=keyEvent.iRepeats=0;
sl@0: 	iFunctions->PostKeyEvent(keyEvent);
sl@0: 	iPointStore->ClearPoints();
sl@0: 	iSpriteFunctions->Activate(EFalse);
sl@0: 	ClearSprite();
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::ClearSprite()
sl@0: 	{
sl@0: 	iSpriteGc->Activate(iBitmapDevice);
sl@0: 	iSpriteGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
sl@0: 	iSpriteGc->SetBrushColor(iDrawData.iInitialBitmapColor);
sl@0: 	iSpriteGc->Clear();
sl@0: 	if (iMaskBitmapDevice)
sl@0: 		{
sl@0: 		iSpriteGc->Activate(iMaskBitmapDevice);
sl@0: 		iSpriteGc->SetBrushColor(WHITE);		//Mask must be cleared in white
sl@0: 		iSpriteGc->Clear();
sl@0: 		}
sl@0:     TRect drawnTo;
sl@0: 	iSpriteGc->RectDrawnTo(drawnTo);		//Clear the drawnTo rect.
sl@0: 	}
sl@0: 
sl@0: TBool CHandWritingAnim::OfferRawEvent(const TRawEvent &aRawEvent)
sl@0: 	{
sl@0: 	if (iState==EHwStateDeactive)
sl@0: 		return EFalse;
sl@0: 	switch (aRawEvent.Type())
sl@0: 		{
sl@0: 	case TRawEvent::EButton1Down:
sl@0: 		{
sl@0: 		iDownTime.HomeTime();		
sl@0: 		return HandlePointerDown(aRawEvent.Pos());
sl@0: 		}
sl@0: 	case TRawEvent::EPointerMove:
sl@0: 		return HandlePointerMove(aRawEvent.Pos());
sl@0: 	case TRawEvent::EButton1Up:
sl@0: 		return HandlePointerUp(aRawEvent.Pos());
sl@0: 	default:
sl@0: 		return EFalse;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::ConstructL(TAny *)
sl@0: 	{
sl@0: 	TSpriteMember *spriteMember=iSpriteFunctions->GetSpriteMember(0);
sl@0: 	iIsMask=(spriteMember->iBitmap->Handle() != spriteMember->iMaskBitmap->Handle());
sl@0: 	iBitmapDevice=CFbsBitmapDevice::NewL(spriteMember->iBitmap);
sl@0: 	if (iIsMask)
sl@0: 		iMaskBitmapDevice=CFbsBitmapDevice::NewL(spriteMember->iMaskBitmap);
sl@0: 	iState=EHwStateDeactive;
sl@0: 	iSpriteGc=CFbsBitGc::NewL();
sl@0: 	iSpriteGc->Reset();
sl@0: 	iDrawData.iLineColor=BLACK;
sl@0: 	iDrawData.iInitialBitmapColor=WHITE;
sl@0: 	iDrawData.iLineWidth=DEFAUlT_LINE_WIDTH;
sl@0: 	iDrawData.iMaskLineWidth=DEFAUlT_MASK_WIDTH_FACTOR*DEFAUlT_LINE_WIDTH;
sl@0: 	iDrawData.iEndPontWidth=DEFAUlT_END_POINT_FACTOR*DEFAUlT_LINE_WIDTH;
sl@0: 	iSpriteFunctions->SizeChangedL();
sl@0: 	iPointStore=new(ELeave) CPointStore();
sl@0: 	iPointStore->ConstructL();
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::Animate(TDateTime* /*aDateTime*/)
sl@0: 	{
sl@0: 	iFunctions->SetInterval(0);
sl@0: 	if (iState==EHwStateWaitingMove)
sl@0: 		SendEatenDownEvent();
sl@0: 	else if (iState==EHwStateWaitingStroke)
sl@0: 		CharacterFinished();
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::Redraw()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::Command(TInt aOpcode,TAny *aParams)
sl@0: 	{
sl@0: 	switch (aOpcode)
sl@0: 		{
sl@0: 		case EHwOpActivate:
sl@0: 			Activate();
sl@0: 			break;
sl@0: 		case EHwOpDeactivate:
sl@0: 			Deactivate();
sl@0: 			break;
sl@0: 		case EHwOpSetDrawData:;
sl@0: 			SetDrawData(STATIC_CAST(THandwritingDrawData*,aParams));
sl@0: 			break;
sl@0: 		default:
sl@0: 			iFunctions->Panic();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CHandWritingAnim::FocusChanged(TBool )
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: TInt CHandWritingAnim::CommandReplyL(TInt aOpcode,TAny *aParams)
sl@0: 	{
sl@0: 	switch (aOpcode)
sl@0: 		{
sl@0: 		case EHwOpSpriteMask:
sl@0: 			SpriteChangeL(*STATIC_CAST(TBool*,aParams));
sl@0: 			break;
sl@0: 		case EHwOpGetLastChar:
sl@0: 			return iLastGeneratedCharacter;
sl@0: 		default:
sl@0: 			iFunctions->Panic();
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /*CPointStore*/
sl@0: 
sl@0: CPointStore::CPointStore()
sl@0: 	{}
sl@0: 
sl@0: void CPointStore::ConstructL()
sl@0: 	{
sl@0: 	iPoints=new(ELeave) CArrayFixFlat<TPoint>(16);
sl@0: 	iPoints->ResizeL(256);
sl@0: 	}
sl@0: 
sl@0: void CPointStore::AddPoint(TPoint aPoint)
sl@0: 	{
sl@0: 	if (iNumPoints<256)
sl@0: 		(*iPoints)[iNumPoints++]=aPoint;
sl@0: 	}
sl@0: 
sl@0: TInt CPointStore::GetChar()
sl@0: 	{
sl@0: 	TPoint oldPoint=(*iPoints)[0];
sl@0: 	TPoint newPoint;
sl@0: 	TPoint totalPoint=oldPoint;
sl@0: 	TInt xInc=0,xDec=0,yInc=0,yDec=0;
sl@0: 	TInt yState=0,xState=0;
sl@0: 	TInt ii;
sl@0: 	for (ii=1;ii<iNumPoints;++ii)
sl@0: 		{
sl@0: 		newPoint=(*iPoints)[ii];
sl@0: 		totalPoint+=newPoint;
sl@0: 		if (newPoint.iX>oldPoint.iX)
sl@0: 			++xInc;
sl@0: 		if (newPoint.iX<oldPoint.iX)
sl@0: 			++xDec;
sl@0: 		if (newPoint.iY>oldPoint.iY)
sl@0: 			++yInc;
sl@0: 		if (newPoint.iY<oldPoint.iY)
sl@0: 			++yDec;
sl@0: 		oldPoint=newPoint;
sl@0: 		}
sl@0: 	newPoint-=(*iPoints)[0];
sl@0: 	if (10*yInc<yDec)
sl@0: 		yState=-1;
sl@0: 	else if (yInc>10*yDec)
sl@0: 		yState=1;
sl@0: 	if (10*xInc<xDec)
sl@0: 		xState=-1;
sl@0: 	else if (xInc>10*xDec)
sl@0: 		xState=1;
sl@0: 	if (xState!=0 && yState!=0)
sl@0: 		{
sl@0: 		if (Abs(newPoint.iY)<Abs(newPoint.iX))
sl@0: 			yState=0;
sl@0: 		else
sl@0: 			xState=0;
sl@0: 		}
sl@0: 	if (xState!=0)
sl@0: 		return xState>0 ? EKeyRightArrow:EKeyLeftArrow;
sl@0: 	if (yState!=0)
sl@0: 		return yState>0 ? EKeyDownArrow:EKeyUpArrow;
sl@0: 	TInt firstChar='a';
sl@0: 	TInt numChars=26;
sl@0: 	TInt type=(totalPoint.iY/10)%10;
sl@0: 	if (type>5)
sl@0: 		firstChar='A';
sl@0: 	else if (type==0)
sl@0: 		{
sl@0: 		firstChar='0';
sl@0: 		numChars=10;
sl@0: 		}
sl@0: 	return firstChar+((totalPoint.iX/10)%numChars);
sl@0: 	}
sl@0: 
sl@0: void CPointStore::ClearPoints()
sl@0: 	{
sl@0: 	iNumPoints=0;
sl@0: 	}