sl@0: // Copyright (c) 1995-2009 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: //
sl@0: 
sl@0: #include "stdgraphicdrawer.h"
sl@0: #include "wsgraphicdrawercontext.h"
sl@0: #include "graphics/WSGRAPHICMSGBUF.H"
sl@0: #include "graphics/W32STDGRAPHICTEST.H"
sl@0: #include <s32mem.h>
sl@0: #include <fbs.h>
sl@0: #include "W32STDGRAPHIC.H"
sl@0: 
sl@0: // CWsGraphicDrawerBitmapAnimation::CFrame \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ 
sl@0: 
sl@0: NONSHARABLE_STRUCT(CWsGraphicDrawerBitmapAnimation::CFrame): public CBase
sl@0: 	{
sl@0: 	~CFrame();
sl@0: 	TFrameInfo iFrameInfo;
sl@0: 	CFbsBitmap* iBitmap;
sl@0: 	CFbsBitmap* iMask;
sl@0: 	mutable RRegionBuf<12> iVisibleRegion;
sl@0: 	};
sl@0: 
sl@0: CWsGraphicDrawerBitmapAnimation::CFrame::~CFrame()
sl@0: 	{
sl@0: 	delete iBitmap;
sl@0: 	delete iMask;
sl@0: 	iVisibleRegion.Close();
sl@0: 	}
sl@0: 
sl@0: // CWsGraphicDrawerBitmapAnimation \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ 
sl@0: 
sl@0: CWsGraphicDrawerBitmapAnimation* CWsGraphicDrawerBitmapAnimation::CreateL()
sl@0: 	{
sl@0: 	return new(ELeave) CWsGraphicDrawerBitmapAnimation;
sl@0: 	}
sl@0: 
sl@0: CWsGraphicDrawerBitmapAnimation::CWsGraphicDrawerBitmapAnimation()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CWsGraphicDrawerBitmapAnimation::~CWsGraphicDrawerBitmapAnimation()
sl@0: 	{
sl@0: 	if (iContext)
sl@0: 		{
sl@0: 		iContext->Destroy();
sl@0: 		iContext = NULL;
sl@0: 		}
sl@0: 	iFrames.ResetAndDestroy();
sl@0: 	}
sl@0: 
sl@0: void CWsGraphicDrawerBitmapAnimation::ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TGraphicDrawerId& aId,MWsClient& aOwner,const TDesC8& aData)
sl@0: 	{
sl@0: 	__ASSERT_COMPILE(sizeof(TInt) == sizeof(TInt32));
sl@0: 	RDesReadStream in(aData);
sl@0: 	in.PushL();
sl@0: 	const TInt count = in.ReadInt32L();
sl@0: 	for(TInt i=0; i<count; i++)
sl@0: 		{
sl@0: 		CFrame* frame = new(ELeave) CFrame;
sl@0: 		CleanupStack::PushL(frame);
sl@0: 		in.ReadL(reinterpret_cast<TUint8*>(&(frame->iFrameInfo)),sizeof(TFrameInfo));
sl@0: 		const TInt bitmapHandle = in.ReadInt32L();
sl@0: 		if(bitmapHandle)
sl@0: 			{
sl@0: 			frame->iBitmap = new(ELeave) CFbsBitmap;
sl@0: 			User::LeaveIfError(frame->iBitmap->Duplicate(bitmapHandle));
sl@0: 			}
sl@0: 		const TInt maskHandle = in.ReadInt32L();
sl@0: 		if(maskHandle)
sl@0: 			{
sl@0: 			frame->iMask = new(ELeave) CFbsBitmap;
sl@0: 			User::LeaveIfError(frame->iMask->Duplicate(maskHandle));
sl@0: 			}
sl@0: 		iFrames.AppendL(frame);
sl@0: 		CleanupStack::Pop(frame);
sl@0: 		TInt64 delay = frame->iFrameInfo.iDelay.Int64();
sl@0: 		if((delay < 0) || (delay > KMaxTUint32))
sl@0: 			{
sl@0: 			User::Leave(KErrCorrupt);
sl@0: 			}
sl@0: 		iAnimationLength += delay;
sl@0: 		}
sl@0: 	in.Pop();
sl@0: 	BaseConstructL(aEnv,aId,aOwner);
sl@0: 	if (!(aEnv.Screen(0)->ResolveObjectInterface(KMWsCompositionContext) || aEnv.Screen(0)->ResolveObjectInterface(KMWsScene)))
sl@0: 		{
sl@0: 		iContext = CWsGraphicDrawerNonNgaContext::NewL();
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iContext = CWsGraphicDrawerNgaContext::NewL();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsGraphicDrawerBitmapAnimation::DoDraw(MWsGc& aGc,const TRect& aRect,const TDesC8& aData) const
sl@0: 	{
sl@0: 	const TInt count = iFrames.Count();
sl@0: 	if(0 >= count)
sl@0: 		{
sl@0: 		return;
sl@0: 		}
sl@0: 
sl@0: 	TWsGraphicMsgBufParser buf(aData);
sl@0: 	if(KErrNone != buf.Verify())
sl@0: 		{
sl@0: 		return;
sl@0: 		}
sl@0: 			
sl@0: 	TWsGraphicMsgAnimation anim;
sl@0:  	if (KErrNone != anim.Load(buf))
sl@0:  		{
sl@0:  		return;
sl@0:  		}
sl@0: 
sl@0: 	if (KErrNone != iContext->Push(aGc))
sl@0: 		{
sl@0: 		return;
sl@0: 		}
sl@0: 
sl@0: 	const TInt64 now_microseconds = (iAnimationLength ? anim.AnimationTime(iContext->Now(aGc),iAnimationLength).Int64(): 0LL);
sl@0: 	TInt64 time_microseconds = 0LL;
sl@0: 
sl@0: 	// find end frame
sl@0: 	TInt endFrame = 0;
sl@0: 	while((endFrame<count) && (time_microseconds <= now_microseconds))
sl@0: 		{
sl@0: 		// work out timing
sl@0: 		time_microseconds += iFrames[endFrame]->iFrameInfo.iDelay.Int64();
sl@0: 		endFrame++;
sl@0: 		}
sl@0: 
sl@0: 	TBool drawError = EFalse;
sl@0: 	// work out visible regions
sl@0: 	for(TInt i = 0; (i < endFrame) && !drawError; i++)
sl@0: 		{
sl@0: 		const CFrame* frame = iFrames[i];
sl@0: 		const TRect frameRect(frame->iFrameInfo.iFrameCoordsInPixels);
sl@0:  		frame->iVisibleRegion.Clear();
sl@0: 
sl@0:  		if((i == (endFrame - 1)) || frame->iFrameInfo.iFlags & TFrameInfo::ELeaveInPlace)	// ELeave - Enum TFrameInfo::ELeaveInPlace triggers leavescan
sl@0:  			{
sl@0:  			frame->iVisibleRegion.AddRect(frameRect);
sl@0:  			drawError = frame->iVisibleRegion.CheckError();
sl@0:  			}
sl@0:  		else
sl@0:    			{
sl@0:    			if(frame->iFrameInfo.iFlags & TFrameInfo::ERestoreToBackground) 
sl@0:  				{
sl@0:  				for(TInt j = 0; j <= i; j++)
sl@0:  					{
sl@0:  					iFrames[j]->iVisibleRegion.SubRect(frameRect);
sl@0:  					// coverity[unchecked_value]
sl@0:  					drawError |= iFrames[j]->iVisibleRegion.CheckError();
sl@0:  					}
sl@0:  				}
sl@0:  			else if(!(frame->iFrameInfo.iFlags & TFrameInfo::ERestoreToPrevious))  // if no disposal method is set, treat it as leave in place
sl@0:  				{
sl@0:  				frame->iVisibleRegion.AddRect(frameRect);
sl@0:  				drawError = frame->iVisibleRegion.CheckError();
sl@0:  				}
sl@0:    			}
sl@0: 		}
sl@0: 
sl@0: 	//draw each of the visible sub frames
sl@0: 	for(TInt i = 0; (i < endFrame) && !drawError; i++)
sl@0: 		{
sl@0: 		const CFrame* frame = iFrames[i];
sl@0: 		if(frame->iBitmap)
sl@0: 			{
sl@0: 			const TRegionFix<1> bitmapRegion(frame->iFrameInfo.iFrameCoordsInPixels);
sl@0: 			frame->iVisibleRegion.Intersect(bitmapRegion);
sl@0: 			frame->iVisibleRegion.Tidy();
sl@0: 			if(frame->iVisibleRegion.CheckError())
sl@0: 				{
sl@0: 				drawError = ETrue;
sl@0: 				break;
sl@0: 				}
sl@0: 			else
sl@0: 				{
sl@0: 				const TInt clipCount = frame->iVisibleRegion.Count();
sl@0:  				for(TInt j = 0; j < clipCount; j++)
sl@0: 					{
sl@0:  					TRect frameRect = frame->iVisibleRegion.RectangleList()[j];
sl@0:  					TRect clipRect(frameRect);
sl@0:  					clipRect.Move(aRect.iTl);
sl@0:  					clipRect.Intersection(aRect);
sl@0: 
sl@0:  					frameRect.Move(aRect.iTl);
sl@0:  					frameRect.Intersection(aRect);
sl@0:  					frameRect.Move(-aRect.iTl);
sl@0:  					frameRect.Move(-frame->iFrameInfo.iFrameCoordsInPixels.iTl);
sl@0: 
sl@0: 					if(!clipRect.IsEmpty() && !frameRect.IsEmpty())
sl@0: 						{
sl@0: 						iContext->DrawBitmap(aGc,clipRect.iTl, frame->iBitmap, frameRect, frame->iMask);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if(0 <= buf.Find(TUid::Uid(TWsGraphicFrameRate::ETypeId)))
sl@0: 		{
sl@0: 		iContext->DrawFrameRate(aGc,aRect,iFps);
sl@0: 		}
sl@0: 	iFps.Sample();
sl@0: 	
sl@0: 	if(anim.IsPlaying(iContext->Now(aGc),iAnimationLength))
sl@0: 		{
sl@0: 		iContext->ScheduleAnimation(aGc, aRect,(time_microseconds - now_microseconds));
sl@0: 		}
sl@0: 	else if(drawError)
sl@0:  		{
sl@0:  		iContext->ScheduleAnimation(aGc, aRect,now_microseconds + 1000000); // retry in 1 second
sl@0:  		}
sl@0:  
sl@0: 	iContext->Pop(aGc);
sl@0: 	}
sl@0: 
sl@0: void CWsGraphicDrawerBitmapAnimation::HandleMessage(const TDesC8& /*aData*/)
sl@0: 	{
sl@0: 	}
sl@0: