// -----------------------------------------------------------------------------
// Blit
//
// Blits given image to gc.
//
// -----------------------------------------------------------------------------
//
inline static TBool Blit(
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() )
{
if( (aDrawParam&KAknsDrawParamPrepareOnly) )
{
return ETrue;
}
TRgb color = KRgbWhite;
color.SetAlpha(0x00);
aGc.SetPenColor(color);
aGc.SetBrushColor(color);
aGc.SetPenStyle(CGraphicsContext::ESolidPen);
aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
aGc.SetDrawMode(CGraphicsContext::EDrawModeWriteAlpha);
TRect layoutRect( aTrgRect );
if( aLayout )
{
layoutRect = aLayout->iRect;
}
layoutRect.Move( -aPADelta );
TRect drawRect = aTrgRect;
drawRect.Intersection( layoutRect );
aGc.Clear(drawRect);
return ETrue;
}
TRect layoutRect( aTrgRect );
const TAknsImageAttributeData* attr = NULL;
if( aLayout )
{
layoutRect = aLayout->iRect;
if( aLayout->iAttr.iAttributes != EAknsImageAttributeNone )
{
attr = &(aLayout->iAttr);
}
}
layoutRect.Move( -aPADelta );
TRect drawRect(aTrgRect);
drawRect.Intersection( layoutRect );
return DrawPartialCachedImage( aSkin, aGc, layoutRect, drawRect,
aImgData, aIID, attr, aDrawParam );
}
void CBitmapAnimator::RenderMask(CBitmapContext& aBitmapContext, TInt aFrame) const
{
aBitmapContext.Reset();
const CAnimationFrame& nextFrame = *iFrameArray[aFrame];
if (aFrame == 0)
{
aBitmapContext.SetBrushColor(KRgbBlack);
aBitmapContext.Clear(iMaxSize);
}
else
{
const CAnimationFrame& currentFrame = *iFrameArray[aFrame - 1];
if (currentFrame.FrameInfo().iFlags & TFrameInfo::ERestoreToBackground)
{
aBitmapContext.SetBrushColor(KRgbBlack);
aBitmapContext.Clear(currentFrame.FrameInfo().iFrameCoordsInPixels);
}
}
const TBool useMask = nextFrame.FrameInfo().iFlags&TFrameInfo::ETransparencyPossible || nextFrame.FrameInfo().iFlags&TFrameInfo::EAlphaChannel;
if (useMask)
{
aBitmapContext.SetDrawMode(CGraphicsContext::EDrawModeOR);
aBitmapContext.BitBlt(nextFrame.FrameInfo().iFrameCoordsInPixels.iTl, nextFrame.Mask(), nextFrame.FrameInfo().iOverallSizeInPixels);
}
else
{
aBitmapContext.SetBrushColor(KRgbWhite);
if (nextFrame.FrameInfo().iOverallSizeInPixels != nextFrame.FrameInfo().iFrameSizeInPixels)
{
// If the frame size smaller than the overall size, the mask shall not take effect later in CBasicAnimation::Draw().
aBitmapContext.Clear(nextFrame.FrameInfo().iOverallSizeInPixels);
}
else
{
aBitmapContext.Clear(nextFrame.FrameInfo().iFrameCoordsInPixels);
}
}
}
