bool wxDFBDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc,
wxRasterOperationMode rop, bool useMask,
wxCoord xsrcMask, wxCoord ysrcMask)
{
wxCHECK_MSG( IsOk(), false, "invalid dc" );
wxCHECK_MSG( source, false, "invalid source dc" );
// NB: we could also support XOR here (via DSBLIT_XOR)
// and possibly others via SetSrc/DstBlendFunction()
wxCHECK_MSG( rop == wxCOPY, false, "only wxCOPY function supported" );
// transform the source DC coords to the device ones
xsrc = source->LogicalToDeviceX(xsrc);
ysrc = source->LogicalToDeviceY(ysrc);
// FIXME_DFB: use the mask origin when drawing transparently
wxASSERT_MSG( xsrcMask == -1 && ysrcMask == -1,
"non-default source mask offset not implemented" );
#if 0
if (xsrcMask == -1 && ysrcMask == -1)
{
xsrcMask = xsrc; ysrcMask = ysrc;
}
else
{
xsrcMask = source->LogicalToDeviceX(xsrcMask);
ysrcMask = source->LogicalToDeviceY(ysrcMask);
}
#endif
wxMemoryDC *sourceAsMemDC = wxDynamicCast(source, wxMemoryDC);
if ( sourceAsMemDC )
{
DoDrawSubBitmap(sourceAsMemDC->GetSelectedBitmap(),
xsrc, ysrc,
width, height,
xdest, ydest,
rop,
useMask);
}
else
{
return DoBlitFromSurface
(
static_cast<wxDFBDCImpl *>(source->GetImpl())
->GetDirectFBSurface(),
xsrc, ysrc,
width, height,
xdest, ydest
);
}
return true;
}
void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
{
wxCHECK_RET( Ok(), wxT("invalid dc") );
wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
DoDrawSubBitmap(bmp,
0, 0, bmp.GetWidth(), bmp.GetHeight(),
x, y,
m_logicalFunction, useMask);
}
