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Fixed cloning wxD2DPathData.

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In addition to copying the underlying geometry sink itself also auxiliary data, like collection of transformed geometries and positional data have to copied the the new wxD2DPathData instance.
This commit is contained in:
Artur Wieczorek 2016-05-26 17:55:33 +02:00
parent 2b13dc7473
commit 7923cb222e
1 changed files with 19 additions and 6 deletions
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25
src/msw/graphicsd2d.cpp
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@ -1136,8 +1136,8 @@ wxD2DPathData::wxGraphicsObjectRefData* wxD2DPathData::Clone() const
newPathData->EnsureGeometryOpen();
// Only geometry with closed sink (immutable)
// can be transferred to another geometry object with
// Only geometry with closed sink can be
// transferred to another geometry object with
// ID2D1PathGeometry::Stream() so we have to check
// if actual transfer succeeded.
@ -1149,10 +1149,23 @@ wxD2DPathData::wxGraphicsObjectRefData* wxD2DPathData::Clone() const
delete newPathData;
return NULL;
}
// Copy auxiliary data.
newPathData->m_currentPoint = m_currentPoint;
newPathData->m_figureOpened = m_figureOpened;
newPathData->m_figureStart = m_figureStart;
// Copy the collection of transformed geometries.
ID2D1TransformedGeometry* pTransformedGeometry;
for ( size_t i = 0; i < m_pTransformedGeometries.size(); i++ )
{
pTransformedGeometry = NULL;
hr = m_direct2dfactory->CreateTransformedGeometry(
m_pTransformedGeometries[i],
D2D1::Matrix3x2F::Identity(), &pTransformedGeometry);
wxASSERT_MSG( SUCCEEDED(hr), wxFAILED_HRESULT_MSG(hr) );
newPathData->m_pTransformedGeometries.push_back(pTransformedGeometry);
}
// Copy positional data.
GeometryStateData curState;
SaveGeometryState(curState);
newPathData->RestoreGeometryState(curState);
return newPathData;
}