// -----------------------------------------------------------------------------
// BlitAndClear
//
// Blits given image to gc and draws the area that is not
// covered by the bitmap.
//
// -----------------------------------------------------------------------------
//
inline static TBool BlitAndClear(
MAknsSkinInstance* aSkin, CBitmapContext& aGc, const TRect& aTrgRect,
CAknsImageItemData* aImgData, const TAknsItemID& aIID,
const TAknsBackground* aLayout, const TPoint& aPADelta,
const TInt aDrawParam )
{
CAknsAppSkinInstance* appInstance =
static_cast<CAknsAppSkinInstance*>(aSkin);
if ( IsBackgroundItem( aIID,appInstance ) &&
appInstance && appInstance->AnimBackgroundState() )
{
return Blit( aSkin, aGc, aTrgRect, aImgData, aIID, aLayout, aPADelta, aDrawParam );
}
if( !(aDrawParam & KAknsDrawParamPrepareOnly) )
{
TAknsItemType type = aImgData->Type();
// don't clear if the item is not a masked one
if( AknsUtils::IsDerivedType( EAknsITMaskedBitmap, type )
&& !(aDrawParam & KAknsDrawParamNoClearUnderImage) )
{
TRect layoutRect( aTrgRect );
if( aLayout )
{
layoutRect = aLayout->iRect;
}
layoutRect.Move( -aPADelta );
TRect drawRect(aTrgRect);
drawRect.Intersection( layoutRect );
aGc.DrawRect( drawRect );
}
}
return Blit( aSkin, aGc, aTrgRect, aImgData, aIID, aLayout, aPADelta, aDrawParam );
}
EXPORT_C TBool CAknAnimationData::DrawNextAnimationStep(CBitmapContext& aGc)
{
if (Count() == 0)
{
// Call the user animation step
TAnimStep step;
TAnimMultiStep nullStep(step);
nullStep.iDrawStep.SetType(EAnimNullStep);
nullStep.iSubStep = (TUint16)iCurrentDrawStep;
TBool done = DrawUserAnimationStep(aGc, nullStep);
iCurrentDrawStep++;
return done;
}
if (iCurrentDrawStep < Count())
{
TInt drawSteps = (*iDrawStepsPerAnimStep)[iCurrentAnimStep];
TInt startingDrawStep = iCurrentDrawStep;
TBool repeatAnimStep = EFalse;
for (TInt ii=0; ii<drawSteps; ii++)
{
TAnimStep* drawStep = &(At(iCurrentDrawStep));
switch (drawStep->Type())
{
case EAnimBlitPreviousView:
{
TAnimBlitStep* step = drawStep->BlitStep();
aGc.BitBlt(TPoint(step->iDestX, step->iDestY), iOldBitmap);
}
break;
case EAnimBlitNewView:
{
TAnimBlitStep* step = drawStep->BlitStep();
aGc.BitBlt(TPoint(step->iDestX, step->iDestY), iViewBitmap);
}
break;
case EAnimBlitPartPreviousView:
{
TAnimBlitStep* step = drawStep->BlitStep();
aGc.BitBlt(TPoint(step->iDestX, step->iDestY), iOldBitmap,
TRect(TPoint(step->iSrcX, step->iSrcY), TSize(step->iWidth, step->iHeight)));
}
break;
case EAnimBlitPartNewView:
{
TAnimBlitStep* step = drawStep->BlitStep();
aGc.BitBlt(TPoint(step->iDestX, step->iDestY), iViewBitmap,
TRect(TPoint(step->iSrcX, step->iSrcY), TSize(step->iWidth, step->iHeight)));
}
break;
case EAnimDrawLine:
case EAnimRevealPartNewViewFromLeft:
case EAnimRevealPartNewViewFromRight:
case EAnimRevealPartNewViewFromTop:
case EAnimRevealPartNewViewFromBottom:
case EAnimBlitSlideNewView:
case EAnimBlitSlideNewViewClearBehind:
{
// Make this a pending step. Cancel the animation if the append fails
TRAPD(err, iPendingSteps->AppendL(TAnimMultiStep(*drawStep)));
if (err != KErrNone)
return ETrue;
}
break;
case EAnimSetColor:
{
TAnimSetColorStep* step = drawStep->SetColorStep();
iDrawColor = TRgb(step->iRed, step->iGreen, step->iBlue);
}
break;
case EAnimDrawRect:
{
TAnimLineDrawStep* step = drawStep->LineDrawStep();
aGc.SetPenColor(iDrawColor);
aGc.SetPenStyle(CGraphicsContext::ESolidPen);
aGc.DrawRect(TRect(TPoint(step->iStartX, step->iStartY),TPoint(step->iEndX, step->iEndY)));
}
break;
case EAnimDrawFilledRect:
{
TAnimLineDrawStep* step = drawStep->LineDrawStep();
aGc.SetBrushColor(iDrawColor);
aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
aGc.SetPenStyle(CGraphicsContext::ENullPen);
aGc.DrawRect(TRect(TPoint(step->iStartX, step->iStartY),TPoint(step->iEndX, step->iEndY)));
}
break;
case EAnimWait:
{
TAnimWaitStep* step = drawStep->WaitStep();
repeatAnimStep = ETrue;
if (step->iSteps > 0)
{
step->iSteps--;
if (step->iSteps == 0)
repeatAnimStep = EFalse;
}
}
break;
case EAnimWaitUntilComplete:
if (iPendingSteps->Count())
repeatAnimStep = ETrue;
break;
default:
// Type is user-defined, so add to the pending steps
TRAPD(err, iPendingSteps->AppendL(TAnimMultiStep(*drawStep)));
if (err != KErrNone)
return ETrue;
break;
}
iCurrentDrawStep++;
}
// If this step needs to be repeated, reset the draw step counter
// otherwise increment the current animation step
if (repeatAnimStep)
{
iCurrentDrawStep = startingDrawStep;
}
else
{
iCurrentAnimStep++;
}
}
TInt done = DrawPendingAnimationSteps(aGc);
if (iCurrentDrawStep == Count() && done)
return ETrue;
return EFalse;
}
// -----------------------------------------------------------------------------
// AknsDrawUtils::DrawBackground()
// (commented in the header).
// -----------------------------------------------------------------------------
EXPORT_C TBool AknsDrawUtils::DrawBackground( MAknsSkinInstance* aInstance,
MAknsControlContext* aContext, const CCoeControl* aControl,
CBitmapContext& aGc, const TPoint& aDstPos,
const TRect& aControlRect, const TInt aDrawParam )
{
TInt drawParam = aDrawParam;
TInt originalParam = aDrawParam;
TBool retVal = EFalse;
TBool blitFailed = EFalse;
TBool blit = EFalse;
TBool blitAttempted = EFalse;
if ( !&aGc )
{
return retVal;
}
MAknsControlContext* parentContext = GetParentContext( aContext );
if( parentContext )
{
retVal = DrawBackground( aInstance, parentContext, aControl, aGc,
aDstPos, aControlRect, aDrawParam );
drawParam |= KAknsDrawParamNoClearUnderImage;
}
else if( drawParam & KAknsDrawParamBottomLevelRGBOnly )
{
drawParam |= KAknsDrawParamRGBOnly;
}
originalParam = drawParam;
if( aContext )
{
aContext->UpdateContext();
}
TAknsBackground* bgLayout = RetrieveBackgroundLayout( aContext );
TAknsItemID imgIID( KAknsIIDNone );
CAknsImageItemData* imgData = RetrieveBackgroundImage(
aInstance, bgLayout, imgIID );
// chained background
if (imgData && imgData->ParentIID() != KAknsIIDNone)
{
TAknsItemID parentiid = imgData->ParentIID();
TRect parentDrawRect = imgData->DrawRect();
imgData = RetrieveKnownBackgroundImage(
aInstance, parentiid );
if (imgData)
{
imgData->SetDrawRect(parentDrawRect);
drawParam |= KAknsDrawParamChained ;
}
}
TPoint paDelta = GetParentAbsoluteDelta( bgLayout, aControl );
TRect drawRect = aControlRect;
drawRect.Move( aDstPos-aControlRect.iTl );
paDelta += aControlRect.iTl-aDstPos;
if (!(aDrawParam & KAknsDrawParamPrepareOnly))
{
aGc.SetPenStyle(CGraphicsContext::ENullPen);
aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
}
if ( !(aDrawParam & KAknsDrawParamIgnoreLayerMask))
{
if( imgData )
{
blitAttempted = ETrue;
if( (drawParam&KAknsDrawParamNoClearUnderImage)==0 )
{
blit = BlitAndClear( aInstance, aGc, drawRect,
imgData, imgIID, bgLayout, paDelta, drawParam );
}
else
{
blit = Blit( aInstance, aGc, drawRect,
imgData, imgIID, bgLayout, paDelta, drawParam );
}
if ( !blit )
{
blitFailed = ETrue;
}
}
else
{
if( !(drawParam&KAknsDrawParamNoClearUnderImage) &&
!(drawParam&KAknsDrawParamPrepareOnly) )
{
// Clear only if permitted
aGc.DrawRect( drawRect );
}
}
}
if( bgLayout )
{
if (!(aDrawParam & KAknsDrawParamIgnoreLayerMask) && aContext->IsCompatibleWithType(EAknsControlContextTypeMasked))
{
CAknsMaskedLayerBackgroundControlContext* layeredCxt = static_cast<CAknsMaskedLayerBackgroundControlContext*>(aContext);
if (layeredCxt->iOffScreenBmp)
{
CAknsMaskedBitmapItemData* maskedImgData = NULL;
TRAPD( err, maskedImgData = CAknsMaskedBitmapItemData::NewL() );
if ( err != KErrNone )
{
return EFalse;
}
maskedImgData->SetBitmap(layeredCxt->iOffScreenBmp);
maskedImgData->SetMask(layeredCxt->iLayerMask);
TAknsBackground* childLayout = bgLayout->iNext;
blitAttempted = ETrue;
blit = Blit( aInstance, aGc, drawRect, maskedImgData,
KAknsIIDNone, childLayout, paDelta, drawParam );
if ( !blit )
{
blitFailed = ETrue;
}
maskedImgData->SetBitmap(NULL);
maskedImgData->SetMask(NULL);
delete maskedImgData;
if (!(aDrawParam & KAknsDrawParamPrepareOnly))
{
aGc.SetPenStyle(CGraphicsContext::ESolidPen);
aGc.SetBrushStyle(CGraphicsContext::ENullBrush);
}
retVal = !blitFailed;
return retVal;
}
}
if (!aContext->IsCompatibleWithType(EAknsControlContextTypeFrame))
{
// special handling for frames
drawParam|=KAknsDrawParamNoClearUnderImage;
originalParam|=KAknsDrawParamNoClearUnderImage;
}
TAknsBackground* nextLayout = bgLayout->iNext;
while( nextLayout &&
((drawParam & KAknsDrawParamLimitToFirstLevel) == 0) )
{
imgData = RetrieveKnownBackgroundImage( aInstance,
nextLayout->iImageID );
if (imgData && imgData->ParentIID() != KAknsIIDNone)
{
TAknsItemID parentiid = imgData->ParentIID();
TRect parentDrawRect = imgData->DrawRect();
imgData = RetrieveKnownBackgroundImage(
aInstance, parentiid );
if (imgData)
{
imgData->SetDrawRect(parentDrawRect);
drawParam |= KAknsDrawParamChained ;
}
}
else
{
drawParam=originalParam;
}
if( imgData )
{
blitAttempted = ETrue;
blit = BlitAndClear( aInstance, aGc, drawRect, imgData,
nextLayout->iImageID, nextLayout, paDelta, drawParam );
if ( !blit )
{
blitFailed = ETrue;
}
}
nextLayout = nextLayout->iNext;
}
}
if (!(aDrawParam & KAknsDrawParamPrepareOnly))
{
aGc.SetPenStyle(CGraphicsContext::ESolidPen);
aGc.SetBrushStyle(CGraphicsContext::ENullBrush);
}
// If Blit failed, or was not even attempted => return EFalse
if ( blitFailed )
{
retVal = EFalse;
}
else if ( !retVal )
{
retVal = blitAttempted;
}
return retVal;
}