/** If the display mode of iBitmapInfo is not expected, return EFalse
* or render to the back buffer and returns ETrue
*/
TBool CCommonInterfaces::DrawColor(const TRect& aRect,const TRgb& aColour)
{
TRect local = TRect(aRect.iTl-iRect.iTl, aRect.Size());
TUint16* pBuffer16;
TUint32* pBuffer32;
if (iBitmapInfo.iDisplayMode != iDispMode)
{
return EFalse;
}
for (TInt y = local.iTl.iY; y < local.iBr.iY; y++)
{
for (TInt x = local.iTl.iX; x < local.iBr.iX; x++)
{
switch (iDispMode)
{
case EColor64K:
pBuffer16 = (TUint16*)iBitmapInfo.iAddress;
pBuffer16[y*iBitmapInfo.iLinePitch/2+x] = aColour._Color64K();
break;
case EColor16M:
pBuffer16 = (TUint16*)iBitmapInfo.iAddress;
pBuffer16[y*iBitmapInfo.iLinePitch/2+x] = aColour._Color64K();
break;
case EColor16MU:
pBuffer32 = (TUint32*)iBitmapInfo.iAddress;
pBuffer32[y*iBitmapInfo.iLinePitch/4+x] = aColour._Color16MU();
break;
case EColor16MA:
pBuffer32 = (TUint32*)iBitmapInfo.iAddress;
pBuffer32[y*iBitmapInfo.iLinePitch/4+x] = aColour._Color16MA();
break;
case EColor4K:
pBuffer16 = (TUint16*)iBitmapInfo.iAddress;
pBuffer16[y*iBitmapInfo.iLinePitch/2+x] = aColour._Color4K();
break;
case EColor16MAP:
pBuffer32 = (TUint32*)iBitmapInfo.iAddress;
pBuffer32[y*iBitmapInfo.iLinePitch/4+x] = aColour._Color16MAP();
break;
default:
break;
}
}
}
return ETrue;
}
/**
Draws a VerticalGradient onto a CFbsBitmap from top/color aLo to bottom/aHi
*/
void CTe_graphicsperformanceSuiteStepBase::VerticalGradientAlphaL(CFbsBitmap* aBitmap, TRgb aLo, TRgb aHi)
{
const TSize size = aBitmap->SizeInPixels();
const TDisplayMode mode = aBitmap->DisplayMode();
const TInt scanLineLength = CFbsBitmap::ScanLineLength(size.iWidth, mode);
HBufC8* buffer = HBufC8::NewL(scanLineLength);
CleanupStack::PushL(buffer);
TPtr8 des = buffer->Des();
des.SetLength(scanLineLength);
for(TInt i=0; i<size.iHeight; i++)
{
TRgb color = InterpolateColour(aLo, aHi, i, size.iHeight);
switch(mode)
{
case EGray256:
{
TUint8 g = color.Gray256();
TUint8* p = (TUint8*)des.Ptr();
for(TInt j=0; j<size.iWidth; j++)
{
p[j] = g;
}
}
break;
case EColor64K:
{
TUint16 g = color._Color64K();
TUint16* p = (TUint16*)des.Ptr();
for(TInt j=0; j<size.iWidth/2; j++)
{
p[j] = g;
}
}
break;
case EColor16MU:
{
TUint32 rgba = color._Color16MU();
TUint32* p = (TUint32*)des.Ptr();
for(TInt j=0; j<(size.iWidth/4); j++)
{
p[j] = rgba;
}
}
break;
case EColor16MA:
{
TUint32 rgba = color._Color16MA();
TUint32* p = (TUint32*)des.Ptr();
for(TInt j=0; j<(size.iWidth/4); j++)
{
p[j] = rgba;
}
}
break;
case EColor16MAP:
{
TUint32 rgba = color._Color16MAP();
TUint32* p = (TUint32*)des.Ptr();
for(TInt j=0; j<(size.iWidth/4); j++)
{
p[j] = rgba;
}
}
break;
default:
ASSERT(EFalse);
break;
}
aBitmap->SetScanLine(des, i);
}
CleanupStack::PopAndDestroy(buffer);
}