diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/symbian/EKA2/dsa_old.cpp')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/symbian/EKA2/dsa_old.cpp | 1075 |
1 files changed, 1075 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/symbian/EKA2/dsa_old.cpp b/distrib/sdl-1.2.15/src/video/symbian/EKA2/dsa_old.cpp new file mode 100644 index 0000000..7e32de2 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/symbian/EKA2/dsa_old.cpp @@ -0,0 +1,1075 @@ +#include "dsa.h" +#include "sdlepocapi.h" +#include <cdsb.h> + +LOCAL_C TInt BytesPerPixel(TDisplayMode aMode) + { + return ((TDisplayModeUtils::NumDisplayModeBitsPerPixel(aMode) - 1) >> 3) + 1; + } + + +//////////////////////////////////////////////////////////////////////////////////////////////// + +NONSHARABLE_CLASS(CDsaA) : public CDsa + { + public: + CDsaA(RWsSession& aSession); + private: + ~CDsaA(); + TUint8* LockSurface(); + void UnlockHWSurfaceRequestComplete(); + void UnlockHwSurface(); + void CreateSurfaceL(); + void Wipe(TInt aLength); + void RecreateL(); + void Free(); + TInt ExternalUpdate() {return 0;} + private: + CFbsBitmap* iBmp; + }; + + +CDsaA::CDsaA(RWsSession& aSession) : CDsa(aSession) + { + } + +void CDsaA::Free() + { + delete iBmp; + iBmp = NULL; + } + +CDsaA::~CDsaA() + { + __ASSERT_DEBUG(iBmp == NULL, PANIC(KErrNotReady)); + } + +TUint8* CDsaA::LockSurface() + { + iBmp->LockHeap(); + return reinterpret_cast<TUint8*>(iBmp->DataAddress()); + } + +void CDsaA::UnlockHWSurfaceRequestComplete() + { + PANIC(KErrNotSupported); + } + +void CDsaA::UnlockHwSurface() + { + iBmp->UnlockHeap(); + SetUpdating(EFalse); + Dsa().Gc()->BitBlt(HwRect().iTl, iBmp); + Dsa().ScreenDevice()->Update(); + } + +void CDsaA::CreateSurfaceL() + { + delete iBmp; + iBmp = NULL; + iBmp = new (ELeave) CFbsBitmap(); + User::LeaveIfError(iBmp->Create(HwRect().Size(), DisplayMode())); + } + +void CDsaA::Wipe(TInt aLength) //dont call in drawing + { + iBmp->LockHeap(); + Mem::FillZ(iBmp->DataAddress(), aLength); + iBmp->UnlockHeap(); + } + +void CDsaA::RecreateL() + { + } + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +NONSHARABLE_CLASS(MDsbObs) + { + public: + virtual void SurfaceReady() = 0; + virtual CDirectScreenBitmap& Dsb() = 0; + }; + +NONSHARABLE_CLASS(CDsbSurface) : public CActive + { + public: + CDsbSurface(MDsbObs& aDsb); + TUint8* Address(); + void Complete(); + ~CDsbSurface(); + private: + void RunL(); + void DoCancel(); + private: + MDsbObs& iDsb; + TUint8* iAddress; + }; + +CDsbSurface::CDsbSurface(MDsbObs& aDsb) : CActive(CActive::EPriorityHigh) , iDsb(aDsb) + { + CActiveScheduler::Add(this); + } + +CDsbSurface::~CDsbSurface() + { + Cancel(); + } + +void CDsbSurface::Complete() + { + if(iAddress != NULL && !IsActive()) + { + iAddress = NULL; + SetActive(); + iDsb.Dsb().EndUpdate(iStatus); + } + } + +TUint8* CDsbSurface::Address() + { + if(iAddress == NULL && !IsActive()) + { + TAcceleratedBitmapInfo info; + if(KErrNone == iDsb.Dsb().BeginUpdate(info)) + iAddress = info.iAddress; + } + return iAddress; + } + +void CDsbSurface::RunL() + { + iDsb.SurfaceReady(); + } + +void CDsbSurface::DoCancel() + { + //empty + } + +NONSHARABLE_CLASS(CDsaB) : public CDsa, public MDsbObs + { + public: + CDsaB(RWsSession& aSession); + private: + ~CDsaB(); + TUint8* LockSurface(); + void UnlockHWSurfaceRequestComplete(); + void UnlockHwSurface(); + void CreateSurfaceL(); + void Wipe(TInt aLength); + void RecreateL(); + void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice); + void Free(); + CDirectScreenBitmap& Dsb(); + void SurfaceReady(); + TInt ExternalUpdate() {return 0;} + private: + CDsbSurface* iSurface1; + CDsbSurface* iSurface2; + CDirectScreenBitmap* iDsb; + }; + +CDsaB::CDsaB(RWsSession& aSession) : CDsa(aSession) + { + } + +void CDsaB::Free() + { + } + +void CDsaB::UnlockHWSurfaceRequestComplete() + { + iSurface1->Complete(); + iSurface2->Complete(); + } + +void CDsaB::CreateSurfaceL() + { + } + +void CDsaB::Wipe(TInt aLength) //dont call in drawing + { + TUint8* addr = LockSurface(); + if(addr != NULL) + { + Mem::FillZ(addr, aLength); + UnlockHwSurface(); + } + } + +void CDsaB::UnlockHwSurface() + { + EpocSdlEnv::Request(CDsa::ERequestUpdate); + } + +TUint8* CDsaB::LockSurface() + { + TUint8* addr = iSurface1->Address(); + if(addr == NULL) + addr = iSurface2->Address(); + SetUpdating(addr == NULL); + return addr; + } + +void CDsaB::SurfaceReady() + { + SetUpdating(EFalse); + } + +CDirectScreenBitmap& CDsaB::Dsb() + { + return *iDsb; + } + +void CDsaB::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice) + { + if(iDsb == NULL) + iDsb = CDirectScreenBitmap::NewL(); + CDsa::ConstructL(aWindow, aDevice); + iSurface1 = new (ELeave) CDsbSurface(*this); + iSurface2 = new (ELeave) CDsbSurface(*this); + } + +CDsaB::~CDsaB() + { + delete iSurface1; + delete iSurface2; + delete iDsb; + } + +void CDsaB::RecreateL() + { + iDsb->Close(); + iDsb->Create(HwRect(), CDirectScreenBitmap::EDoubleBuffer); + } + +///////////////////////////////////////////////////////////////////////////////////////////////////// + + +TSize CDsa::WindowSize() const + { + TSize size = HwRect().Size(); + if(iStateFlags & EOrientation90) + { + const TInt tmp = size.iWidth; + size.iWidth = size.iHeight; + size.iHeight = tmp; + } + return size; + } + +void CDsa::SetSuspend() + { + iStateFlags |= ESdlThreadSuspend; + } + +void CDsa::ReleaseStop() + { + iStateFlags &= ~ESdlThreadExplicitStop; + } + + +TBool CDsa::Stopped() const + { + return (iStateFlags & ESdlThreadExplicitStop); + } + +void CDsa::SetOrientation(CSDL::TOrientationMode aOrientation) + { + TInt flags = 0; + switch(aOrientation) + { + case CSDL::EOrientation90: + flags = EOrientation90; + break; + case CSDL::EOrientation180: + flags = EOrientation180; + break; + case CSDL::EOrientation270: + flags = EOrientation90 | EOrientation180; + break; + case CSDL::EOrientation0: + flags = 0; + break; + } + if(flags != (iStateFlags & EOrientationFlags)) + { + iStateFlags |= EOrientationChanged; + iNewFlags = flags; //cannot be set during drawing... + } + } + +CDsa::~CDsa() + { + if(iDsa != NULL) + { + iDsa->Cancel(); + } + delete iDsa; + User::Free(iLut256); + } + +void CDsa::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice) + { + if(iDsa != NULL) + { + iDsa->Cancel(); + delete iDsa; + iDsa = NULL; + } + + + iDsa = CDirectScreenAccess::NewL( + iSession, + aDevice, + aWindow, + *this); + + if(iLut256 == NULL) + iLut256 = (TUint32*) User::AllocL(256 * sizeof(TUint32)); + iTargetMode = aWindow.DisplayMode(); + iTargetBpp = BytesPerPixel(DisplayMode()); + iTargetRect = TRect(aWindow.Position(), aWindow.Size()); + RestartL(); + } + +void CDsa::LockPalette(TBool aLock) + { + if(aLock) + iStateFlags |= EPaletteLocked; + else + iStateFlags &= ~EPaletteLocked; + } +TInt CDsa::SetPalette(TInt aFirst, TInt aCount, TUint32* aPalette) + { + if(iLut256 == NULL) + return KErrNotFound; + const TInt count = aCount - aFirst; + if(count > 256) + return KErrArgument; + if(iStateFlags & EPaletteLocked) + return KErrNone; + for(TInt i = aFirst; i < count; i++) //not so busy here:-) + { + iLut256[i] = aPalette[i]; + } + return KErrNone; + } + + + + +void CDsa::RestartL() + { + //const TBool active = iDsa->IsActive(); + + //if(!active) + iDsa->StartL(); + + RRegion* r = iDsa->DrawingRegion(); + iDsa->Gc()->SetClippingRegion(r); + TRect rect = r->BoundingRect(); + + if(rect.IsEmpty()) + { + return; + } + + iScreenRect = rect; //to ensure properly set, albeit may not(?) match to value SDL has - therefore may has to clip + + RecreateL(); + + iStateFlags |= ERunning; +// iScanLineWidth = iTargetBpp * HwRect().Width(); + ReleaseStop(); + if(iStateFlags & ESdlThreadSuspend) + { + EpocSdlEnv::Resume(); + iStateFlags &= ~ ESdlThreadSuspend; + } + } + +CDsa::CDsa(RWsSession& aSession) : + iSession(aSession), + iStateFlags(0) + { +// CActiveScheduler::Add(this); + iCFTable[0] = CopyMem; + iCFTable[1] = CopyMemFlipReversed; + iCFTable[2] = CopyMemReversed; + iCFTable[3] = CopyMemFlip; + + iCFTable[4] = Copy256; + iCFTable[5] = Copy256FlipReversed; + iCFTable[6] = Copy256Reversed; + iCFTable[7] = Copy256Flip; + + + iCFTable[8] = CopySlow; + iCFTable[9] = CopySlowFlipReversed; + iCFTable[10] = CopySlowReversed; + iCFTable[11] = CopySlowFlip; + } + +RWsSession& CDsa::Session() + { + return iSession; + } + + + +TUint8* CDsa::LockHwSurface() + { + if((iStateFlags & EUpdating) == 0) //else frame is skipped + { + return LockSurface(); + } + return NULL; + } + +/* +void CDsa::RunL() + { + iStateFlags &= ~EUpdating; + } + + +void CDsa::DoCancel() + { + iStateFlags &= ~EUpdating; + //nothing can do, just wait? + } +*/ + +TInt CDsa::AllocSurface(TBool aHwSurface, const TSize& aSize, TDisplayMode aMode) + { + if(aHwSurface && aMode != DisplayMode()) + return KErrArgument; + + iSourceMode = aMode; + + iSourceBpp = BytesPerPixel(aMode); + + const TSize size = WindowSize(); + if(aSize.iWidth > size.iWidth) + return KErrTooBig; + if(aSize.iHeight > size.iHeight) + return KErrTooBig; + + TRAPD(err, CreateSurfaceL()); + if(err != KErrNone) + return err; + + + SetCopyFunction(); + + EpocSdlEnv::ObserverEvent(MSDLObserver::EEventWindowReserved); + + return KErrNone; + } + + +/* +void SaveBmp(const TDesC& aName, const TAny* aData, TInt aLength, const TSize& aSz, TDisplayMode aMode) + { + CFbsBitmap* s = new CFbsBitmap(); + s->Create(aSz, aMode); + s->LockHeap(); + TUint32* addr = s->DataAddress(); + Mem::Copy(addr, aData, aLength); + s->UnlockHeap(); + s->Save(aName); + s->Reset(); + delete s; + } + +void SaveBmp(const TDesC& aName, const TUint32* aData, const TSize& aSz) + { + CFbsBitmap* s = new CFbsBitmap(); + s->Create(aSz, EColor64K); + TBitmapUtil bmp(s); + bmp.Begin(TPoint(0, 0)); + for(TInt j = 0; j < aSz.iHeight; j++) + { + bmp.SetPos(TPoint(0, j)); + for(TInt i = 0; i < aSz.iWidth; i++) + { + bmp.SetPixel(*aData); + aData++; + bmp.IncXPos(); + } + } + bmp.End(); + s->Save(aName); + s->Reset(); + delete s; + } + +TBuf<16> FooName(TInt aFoo) + { + TBuf<16> b; + b.Format(_L("C:\\pic%d.mbm"), aFoo); + return b; + } +*/ +void CDsa::ClipCopy(TUint8* aTarget, const TUint8* aSource, const TRect& aRect, const TRect& aTargetPos) const + { + TUint8* target = aTarget; + const TUint8* source = aSource; + const TInt lineWidth = aRect.Width(); + source += iSourceBpp * (aRect.iTl.iY * lineWidth); + TInt sourceStartOffset = iSourceBpp * aRect.iTl.iX; + source += sourceStartOffset; + target += iTargetBpp * ((aTargetPos.iTl.iY + aRect.iTl.iY ) * lineWidth); + TInt targetStartOffset = iTargetBpp * (aRect.iTl.iX + aTargetPos.iTl.iX); + target += targetStartOffset; + TUint32* targetPtr = reinterpret_cast<TUint32*>(target); + const TInt targetWidth = HwRect().Size().iWidth; + const TInt height = aRect.Height(); + + TInt lineMove = iStateFlags & EOrientation90 ? 1 : lineWidth; + + if(iStateFlags & EOrientation180) + { + + targetPtr += targetWidth * (height - 1); + + for(TInt i = 0; i < height; i++) //source is always smaller + { + iCopyFunction(*this, targetPtr, source, lineWidth, height); + source += lineMove; + targetPtr -= targetWidth; + } + } + else + { + + + for(TInt i = 0; i < height; i++) //source is always smaller + { + iCopyFunction(*this, targetPtr, source, lineWidth, height); + source += lineMove; + targetPtr += targetWidth; + } + } + + } + + + + +void CDsa::Wipe() //dont call in drawing + { + if(IsDsaAvailable()) + Wipe(iTargetBpp * iScreenRect.Width() * iScreenRect.Height()); + } + +void CDsa::SetCopyFunction() + { + //calculate offset to correct function in iCFTable according to given parameters + TInt function = 0; + const TInt KCopyFunctions = 4; + const TInt KOffsetToNative = 0; + const TInt KOffsetTo256 = KOffsetToNative + KCopyFunctions; + const TInt KOffsetToOtherModes = KOffsetTo256 + KCopyFunctions; + const TInt KOffsetTo90Functions = 1; + const TInt KOffsetTo180Functions = 2; + + if(iSourceMode == DisplayMode()) + function = KOffsetToNative; //0 + else if(iSourceMode == EColor256) + function = KOffsetTo256; //4 + else + function = KOffsetToOtherModes; //8 + + if(iStateFlags & EOrientation90) + function += KOffsetTo90Functions; // + 1 + if(iStateFlags & EOrientation180) + function += KOffsetTo180Functions; //+ 2 + + iCopyFunction = iCFTable[function]; + + Wipe(); + } + +inline void Rotate(TRect& aRect) + { + const TInt dx = aRect.iBr.iX - aRect.iTl.iX; + const TInt dy = aRect.iBr.iY - aRect.iTl.iY; + + aRect.iBr.iX = aRect.iTl.iX + dy; + aRect.iBr.iY = aRect.iTl.iY + dx; + + const TInt tmp = aRect.iTl.iX; + aRect.iTl.iX = aRect.iTl.iY; + aRect.iTl.iY = tmp; + } + +/* +int bar = 0; +*/ +TBool CDsa::AddUpdateRect(const TUint8* aBits, const TRect& aUpdateRect, const TRect& aRect) + { + + if(iStateFlags & EOrientationChanged) + { + iStateFlags &= ~EOrientationFlags; + iStateFlags |= iNewFlags; + SetCopyFunction(); + iStateFlags &= ~EOrientationChanged; + EpocSdlEnv::WaitDeviceChange(); + return EFalse; //skip this frame as data is may be changed + } + + if(iTargetAddr == NULL) + { + iTargetAddr = LockHwSurface(); + } + TUint8* target = iTargetAddr; + if(target == NULL) + return EFalse; + + + TRect targetRect = HwRect(); + TRect sourceRect = aRect; + TRect updateRect = aUpdateRect; + + if(iStateFlags & EOrientation90) + { + Rotate(sourceRect); + Rotate(updateRect); + } + + if(iSourceMode != DisplayMode() || targetRect != sourceRect || targetRect != updateRect || ((iStateFlags & EOrientationFlags) != 0)) + { + sourceRect.Intersection(targetRect); //so source always smaller or equal than target + updateRect.Intersection(targetRect); + ClipCopy(target, aBits, updateRect, sourceRect); + } + else + { + const TInt byteCount = aRect.Width() * aRect.Height() * iSourceBpp; //this could be stored + Mem::Copy(target, aBits, byteCount); + } + + return ETrue; + } + +CDsa* CDsa::CreateL(RWsSession& aSession) + { + if(EpocSdlEnv::Flags(CSDL::EDrawModeDSB)) + { + TInt flags = CDirectScreenBitmap::ENone; + if(EpocSdlEnv::Flags(CSDL::EDrawModeDSBDoubleBuffer)) + flags |= CDirectScreenBitmap::EDoubleBuffer; + if(EpocSdlEnv::Flags(CSDL::EDrawModeDSBIncrentalUpdate)) + flags |= CDirectScreenBitmap::EIncrementalUpdate; + return new (ELeave) CDsaB(aSession); + } + else + return new (ELeave) CDsaA(aSession); + } + +void CDsa::CreateZoomerL(const TSize& aSize) + { + iSwSize = aSize; + iStateFlags |= EResizeRequest; + CreateSurfaceL(); + SetTargetRect(); + } + +TPoint CDsa::WindowCoordinates(const TPoint& aPoint) const + { + TPoint pos = aPoint - iScreenRect.iTl; + const TSize asz = iScreenRect.Size(); + if(iStateFlags & EOrientation180) + { + pos.iX = asz.iWidth - pos.iX; + pos.iY = asz.iHeight - pos.iY; + } + if(iStateFlags & EOrientation90) + { + pos.iX = aPoint.iY; + pos.iY = aPoint.iX; + } + pos.iX <<= 16; + pos.iY <<= 16; + pos.iX /= asz.iWidth; + pos.iY /= asz.iHeight; + pos.iX *= iSwSize.iWidth; + pos.iY *= iSwSize.iHeight; + pos.iX >>= 16; + pos.iY >>= 16; + return pos; + } + +void CDsa::SetTargetRect() + { + iTargetRect = iScreenRect; + if(iStateFlags & EResizeRequest && EpocSdlEnv::Flags(CSDL::EAllowImageResizeKeepRatio)) + { + const TSize asz = iScreenRect.Size(); + const TSize sz = iSwSize; + + TRect rect; + + const TInt dh = (sz.iHeight << 16) / sz.iWidth; + + if((asz.iWidth * dh ) >> 16 <= asz.iHeight) + { + rect.SetRect(TPoint(0, 0), TSize(asz.iWidth, (asz.iWidth * dh) >> 16)); + } + else + { + const TInt dw = (sz.iWidth << 16) / sz.iHeight; + rect.SetRect(TPoint(0, 0), TSize((asz.iHeight * dw) >> 16, asz.iHeight)); + } + rect.Move((asz.iWidth - rect.Size().iWidth) >> 1, (asz.iHeight - rect.Size().iHeight) >> 1); + + iTargetRect = rect; + iTargetRect.Move(iScreenRect.iTl); + + } + if(!(iStateFlags & EResizeRequest)) + iSwSize = iScreenRect.Size(); +// iScanLineWidth = /*iTargetBpp **/ SwSize().iWidth; + } + +void CDsa::RecreateL() + { + } + +void CDsa::Free() + { + } + +void CDsa::UpdateSwSurface() + { + iTargetAddr = NULL; + UnlockHwSurface(); //could be faster if does not use AO, but only check status before redraw, then no context switch needed + } + +void CDsa::SetBlitter(MBlitter* aBlitter) + { + iBlitter = aBlitter; + } + +void CDsa::DrawOverlays() + { + const TInt last = iOverlays.Count() - 1; + for(TInt i = last; i >= 0 ; i--) + iOverlays[i].iOverlay->Draw(*iDsa->Gc(), HwRect(), SwSize()); + } + +TInt CDsa::AppendOverlay(MOverlay& aOverlay, TInt aPriority) + { + TInt i; + for(i = 0; i < iOverlays.Count() && iOverlays[i].iPriority < aPriority; i++) + {} + const TOverlay overlay = {&aOverlay, aPriority}; + return iOverlays.Insert(overlay, i); + } + +TInt CDsa::RemoveOverlay(MOverlay& aOverlay) + { + for(TInt i = 0; i < iOverlays.Count(); i++) + { + if(iOverlays[i].iOverlay == &aOverlay) + { + iOverlays.Remove(i); + return KErrNone; + } + } + return KErrNotFound; + } + +TInt CDsa::RedrawRequest() + { + if(!(iStateFlags & (EUpdating) && (iStateFlags & ERunning))) + { + return ExternalUpdate(); + } + return KErrNotReady; + } + + +void CDsa::Resume() + { + if(Stopped()) + Restart(RDirectScreenAccess::ETerminateRegion); + } + +void CDsa::DoStop() + { + if(IsDsaAvailable()) + iStateFlags |= ESdlThreadExplicitStop; + Stop(); + } + +void CDsa::Stop() + { + iStateFlags &= ~ERunning; +// Cancel(); //can be called only from main! + iDsa->Cancel(); + } + +void CDsa::AbortNow(RDirectScreenAccess::TTerminationReasons /*aReason*/) + { +// iStateFlags |= EChangeNotify; + Stop(); + } + +void CDsa::Restart(RDirectScreenAccess::TTerminationReasons aReason) + { + if(aReason == RDirectScreenAccess::ETerminateRegion) //auto restart + { + TRAPD(err, RestartL()); + PANIC_IF_ERROR(err); + } + } +/*) +TBool CDsa::ChangeTrigger() + { + const TBool change = iStateFlags & EChangeNotify; + iStateFlags &= ~EChangeNotify; + return change; + } +*/ +///////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +void CDsa::Copy256(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt) + { + TUint32* target = aTarget; + const TUint32* endt = target + aBytes; + const TUint8* source = aSource; + while(target < endt) + { + *target++ = aDsa.iLut256[*source++]; + } + } + +void CDsa::Copy256Reversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt) + { + const TUint32* target = aTarget; + TUint32* endt = aTarget + aBytes; + const TUint8* source = aSource; + while(target < endt) + { + *(--endt) = aDsa.iLut256[*source++]; + } + } + +void CDsa::Copy256Flip(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen) + { + TUint32* target = aTarget; + const TUint32* endt = target + aBytes; + const TUint8* column = aSource; + + while(target < endt) + { + *target++ = aDsa.iLut256[*column]; + column += aLineLen; + } + } + +void CDsa::Copy256FlipReversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen) + { + const TUint32* target = aTarget; + TUint32* endt = aTarget + aBytes; + const TUint8* column = aSource; + + while(target < endt) + { + *(--endt) = aDsa.iLut256[*column]; + column += aLineLen; + } + } + +void CDsa::CopyMem(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt) + { + Mem::Copy(aTarget, aSource, aBytes); + } + +void CDsa::CopyMemFlip(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen) + { + TUint32* target = aTarget; + const TUint32* endt = target + aBytes; + const TUint32* column = reinterpret_cast<const TUint32*>(aSource); + + while(target < endt) + { + *target++ = *column; + column += aLineLen; + } + } + +void CDsa::CopyMemReversed(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt) + { + const TUint32* target = aTarget; + TUint32* endt = aTarget + aBytes; + const TUint32* source = reinterpret_cast<const TUint32*>(aSource); + while(target < endt) + { + *(--endt) = *source++; + } + } + + +void CDsa::CopyMemFlipReversed(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen) + { + const TUint32* target = aTarget; + TUint32* endt = aTarget + aBytes; + const TUint32* column = reinterpret_cast<const TUint32*>(aSource); + + while(target < endt) + { + *(--endt) = *column; + column += aLineLen; + } + } + + +typedef TRgb (*TRgbFunc) (TInt aValue); + +LOCAL_C TRgb rgb16MA(TInt aValue) + { + return TRgb::Color16MA(aValue); + } + +NONSHARABLE_CLASS(MRgbCopy) + { + public: + virtual void Copy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TBool aReversed) = 0; + virtual void FlipCopy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen, TBool aReversed) = 0; + }; +template <class T> +NONSHARABLE_CLASS(TRgbCopy) : public MRgbCopy + { + public: + TRgbCopy(TDisplayMode aMode); + void* operator new(TUint aBytes, TAny* aMem); + void Copy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TBool aReversed); + void FlipCopy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen, TBool aReversed); + private: + TRgbFunc iFunc; + }; + +template <class T> +void* TRgbCopy<T>::operator new(TUint /*aBytes*/, TAny* aMem) + { + return aMem; + } + +template <class T> +TRgbCopy<T>::TRgbCopy(TDisplayMode aMode) + { + switch(aMode) + { + case EGray256 : iFunc = TRgb::Gray256; break; + case EColor256 : iFunc = TRgb::Color256; break; + case EColor4K : iFunc = TRgb::Color4K; break; + case EColor64K : iFunc = TRgb::Color64K; break; + case EColor16M : iFunc = TRgb::Color16M; break; + case EColor16MU : iFunc = TRgb::Color16MU; break; + case EColor16MA : iFunc = rgb16MA; break; + default: + PANIC(KErrNotSupported); + } + } + +template <class T> +void TRgbCopy<T>::Copy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TBool aReversed) + { + const T* source = reinterpret_cast<const T*>(aSource); + TUint32* target = aTarget; + TUint32* endt = target + aBytes; + + if(aReversed) + { + while(target < endt) + { + TUint32 value = *source++; + *(--endt) = iFunc(value).Value(); + } + } + else + { + while(target < endt) + { + TUint32 value = *source++; + *target++ = iFunc(value).Value(); + } + } + } + +template <class T> +void TRgbCopy<T>::FlipCopy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen, TBool aReversed) + { + const T* column = reinterpret_cast<const T*>(aSource); + TUint32* target = aTarget; + TUint32* endt = target + aBytes; + + if(aReversed) + { + while(target < endt) + { + *(--endt) = iFunc(*column).Value(); + column += aLineLen; + } + } + else + { + while(target < endt) + { + *target++ = iFunc(*column).Value(); + column += aLineLen; + } + } + } + + +typedef TUint64 TStackMem; + +LOCAL_C MRgbCopy* GetCopy(TAny* mem, TDisplayMode aMode) + { + if(aMode == EColor256 || aMode == EGray256) + { + return new (mem) TRgbCopy<TUint8>(aMode); + } + if(aMode == EColor4K || aMode == EColor64K) + { + return new (mem) TRgbCopy<TUint16>(aMode); + } + if(aMode == EColor16M || aMode == EColor16MU || aMode == EColor16MA) + { + return new (mem) TRgbCopy<TUint32>(aMode); + } + PANIC(KErrNotSupported); + return NULL; + } + + +void CDsa::CopySlowFlipReversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen) + { + TStackMem mem = 0; + GetCopy(&mem, aDsa.iSourceMode)->FlipCopy(aTarget, aSource, aBytes, aLineLen, ETrue); + } + +void CDsa::CopySlowFlip(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen) + { + TStackMem mem = 0; + GetCopy(&mem, aDsa.iSourceMode)->FlipCopy(aTarget, aSource, aBytes, aLineLen, EFalse); + } + +void CDsa::CopySlow(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt) + { + TStackMem mem = 0; + GetCopy(&mem, aDsa.iSourceMode)->Copy(aTarget, aSource, aBytes, EFalse); + } + +void CDsa::CopySlowReversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt) + { + TStackMem mem = 0; + GetCopy(&mem, aDsa.iSourceMode)->Copy(aTarget, aSource, aBytes, ETrue); + }
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