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wxDC::Blit() ignores useMask if there is no mask instead of giving an assert failure

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5677 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2000-01-26 14:08:11 +00:00
parent 4f527e7158
commit d5536adedf
1 changed files with 6 additions and 2 deletions
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8
src/msw/dc.cpp
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@ -1255,8 +1255,12 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
const wxBitmap& bmp = source->m_selectedBitmap;
mask = bmp.GetMask();
wxCHECK_MSG( bmp.Ok() && mask && mask->GetMaskBitmap(), FALSE,
_T("can't blit with mask without mask") );
if ( !(bmp.Ok() && mask && mask->GetMaskBitmap()) )
{
// don't give assert here because this would break existing
// programs - just silently ignore useMask parameter
useMask = FALSE;
}
}
COLORREF old_textground = ::GetTextColor(GetHdc());