// -----------------------------------------------------------------------------
// 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 CListBoxHighLightControl::Draw(CBitmapContext& gc) const
	{
	gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
	if (iPainter)
		gc.SetBrushColor( iPainter->GetHightLightClock() );
	
	gc.Clear(Rect());
	}
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);
			}
		}
	}
void tst_NativeImageHandleProvider::bitmap()
{
#if defined(Q_OS_SYMBIAN) && !defined(QT_NO_OPENVG)
    QPixmap tmp(10, 20);
    if (tmp.pixmapData()->classId() == QPixmapData::OpenVGClass) {
        BitmapProvider prov;

        // This should fail because of null ptr.
        QPixmap pm = pixmapFromNativeImageHandleProvider(&prov);
        QVERIFY(pm.isNull());
        pm = QPixmap();
        QCOMPARE(prov.refCount, 0);

        prov.bmp = new CFbsBitmap;
        QCOMPARE(prov.bmp->Create(TSize(prov.w, prov.h), EColor16MAP), KErrNone);
        CFbsBitmapDevice *bitmapDevice = CFbsBitmapDevice::NewL(prov.bmp);
        CBitmapContext *bitmapContext = 0;
        QCOMPARE(bitmapDevice->CreateBitmapContext(bitmapContext), KErrNone);
        TRgb symbianColor = TRgb(255, 200, 100);
        bitmapContext->SetBrushColor(symbianColor);
        bitmapContext->Clear();
        delete bitmapContext;
        delete bitmapDevice;

        pm = pixmapFromNativeImageHandleProvider(&prov);
        QVERIFY(!pm.isNull());
        QCOMPARE(pm.width(), prov.w);
        QCOMPARE(pm.height(), prov.h);
        QVERIFY(prov.refCount == 1);
        QImage img = pm.toImage();
        QVERIFY(prov.refCount == 1);
        QRgb pix = img.pixel(QPoint(1, 2));
        QCOMPARE(qRed(pix), symbianColor.Red());
        QCOMPARE(qGreen(pix), symbianColor.Green());
        QCOMPARE(qBlue(pix), symbianColor.Blue());

        pm = QPixmap(); // should result in calling release
        QCOMPARE(prov.refCount, 0);
        delete prov.bmp;
    } else {
         QSKIP("Not openvg", SkipSingle);
    }
#else
    QSKIP("Not applicable", SkipSingle);
#endif
}
示例#5
0
TBool CAknAnimationData::ExecutePendingAnimationStep(CBitmapContext& aGc, TAnimMultiStep* aStep)
{
    TBool done = EFalse;
    switch (aStep->iDrawStep.Type())
    {
    case EAnimDrawLine:
    {
        TAnimLineDrawStep* step = (aStep->iDrawStep.LineDrawStep());

        if (aStep->iSubStep == step->iSteps -1)
        {
            done = ETrue;
        }
        {
            TInt diffX = step->iEndX - step->iStartX;
            TInt diffY = step->iEndY - step->iStartY;
            TInt startX = step->iStartX + (diffX * aStep->iSubStep / step->iSteps);
            TInt startY = step->iStartY + (diffY * aStep->iSubStep / step->iSteps);
            TInt endX = step->iStartX + (diffX * (aStep->iSubStep+1)/ step->iSteps);
            TInt endY = step->iStartY + (diffY * (aStep->iSubStep+1) / step->iSteps);
            aGc.SetBrushColor(iDrawColor);
            aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
            aGc.Clear(TRect(TPoint(startX,startY),TPoint(endX+1, endY+1)));
        }
    }
    break;
    case EAnimRevealPartNewViewFromLeft:
    {
        TAnimBlitStep* step = (aStep->iDrawStep.BlitStep());
        TPoint offset((step->iWidth * aStep->iSubStep) / step->iSteps, 0);
        TSize size((step->iWidth / step->iSteps)+1, step->iHeight);
        aGc.BitBlt(TPoint(step->iDestX, step->iDestY) + offset, iViewBitmap,
                   TRect(TPoint(step->iSrcX, step->iSrcY) + offset, size));
        if (aStep->iSubStep == step->iSteps-1)
            done = ETrue;
    }
    break;
    case EAnimRevealPartNewViewFromRight:
    {
        TAnimBlitStep* step = (aStep->iDrawStep.BlitStep());
        TInt thisStep = (step->iSteps - aStep->iSubStep) - 1;
        TPoint offset((step->iWidth * thisStep) / step->iSteps, 0);
        TSize size((step->iWidth / step->iSteps)+1, step->iHeight);
        aGc.BitBlt(TPoint(step->iDestX, step->iDestY) + offset, iViewBitmap,
                   TRect(TPoint(step->iSrcX, step->iSrcY) + offset, size));
        if (aStep->iSubStep == step->iSteps-1)
            done = ETrue;
    }
    break;
    case EAnimRevealPartNewViewFromTop:
    {
        TAnimBlitStep* step = (aStep->iDrawStep.BlitStep());
        TPoint offset(0,(step->iHeight * aStep->iSubStep) / step->iSteps);
        TSize size(step->iWidth,(step->iHeight / step->iSteps)+1);
        aGc.BitBlt(TPoint(step->iDestX, step->iDestY) + offset, iViewBitmap,
                   TRect(TPoint(step->iSrcX, step->iSrcY) + offset, size));
        if (aStep->iSubStep == step->iSteps-1)
            done = ETrue;
    }
    break;
    case EAnimRevealPartNewViewFromBottom:
    {
        TAnimBlitStep* step = (aStep->iDrawStep.BlitStep());
        TInt thisStep = (step->iSteps - aStep->iSubStep) - 1;
        TPoint offset(0,(step->iHeight * thisStep) / step->iSteps);
        TSize size(step->iWidth,(step->iHeight / step->iSteps)+1);
        aGc.BitBlt(TPoint(step->iDestX, step->iDestY) + offset, iViewBitmap,
                   TRect(TPoint(step->iSrcX, step->iSrcY) + offset, size));
        if (aStep->iSubStep == step->iSteps-1)
            done = ETrue;
    }
    break;
    case EAnimBlitSlideNewView:
        // Slide the bitmap between two screen positions
    {
        TAnimSlideStep* step = (aStep->iDrawStep.SlideStep());
        TSize bitmapSize(step->iWidth, step->iHeight);
        TInt slideDifferenceX = step->iSlideToX - step->iSlideFromX;
        TInt slideDifferenceY = step->iSlideToY - step->iSlideFromY;
        TInt slidePosX = step->iSlideFromX + ((slideDifferenceX * aStep->iSubStep) / step->iSteps);
        TInt slidePosY = step->iSlideFromY + ((slideDifferenceY * aStep->iSubStep) / step->iSteps);
        aGc.BitBlt(TPoint(slidePosX, slidePosY), iViewBitmap,
                   TRect(TPoint(step->iSrcX, step->iSrcY), bitmapSize));
        if (aStep->iSubStep == step->iSteps)
            done = ETrue;
    }
    break;
    case EAnimBlitSlideNewViewClearBehind:
        // Slide the bitmap between two screen positions, clearing the screen behind it
    {
        TAnimSlideStep* step = (aStep->iDrawStep.SlideStep());
        TSize bitmapSize(step->iWidth, step->iHeight);
        TInt slideDifferenceX = step->iSlideToX - step->iSlideFromX;
        TInt slideDifferenceY = step->iSlideToY - step->iSlideFromY;
        if (aStep->iSubStep > 0)
        {
            // This is not the first step, so clear over the area of the previous step
            TInt slidePosX = step->iSlideFromX + ((slideDifferenceX * (aStep->iSubStep-1)) / step->iSteps);
            TInt slidePosY = step->iSlideFromY + ((slideDifferenceY * (aStep->iSubStep-1)) / step->iSteps);
            aGc.Clear(TRect(TPoint(slidePosX, slidePosY), bitmapSize));
        }
        TInt slidePosX = step->iSlideFromX + ((slideDifferenceX * aStep->iSubStep) / step->iSteps);
        TInt slidePosY = step->iSlideFromY + ((slideDifferenceY * aStep->iSubStep) / step->iSteps);
        aGc.BitBlt(TPoint(slidePosX, slidePosY), iViewBitmap,
                   TRect(TPoint(step->iSrcX, step->iSrcY), bitmapSize));
        if (aStep->iSubStep == step->iSteps)
            done = ETrue;
    }
    break;
    default:
        done = DrawUserAnimationStep(aGc, *aStep);
        break;
    }

    aStep->iSubStep++;
    return done;
}