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correct meaning of logical origin

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42827 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2006-10-31 10:30:42 +00:00
parent 2fadbbfd12
commit 2986407b54
1 changed files with 2 additions and 1 deletions
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3
src/common/dcgraph.cpp
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@@ -301,7 +301,8 @@ void wxGCDC::ComputeScaleAndOrigin()
m_matrixCurrent = m_graphicContext->CreateMatrix(); m_matrixCurrent = m_graphicContext->CreateMatrix();
m_matrixCurrent.Translate( m_deviceOriginX, m_deviceOriginY ); m_matrixCurrent.Translate( m_deviceOriginX, m_deviceOriginY );
m_matrixCurrent.Scale( m_scaleX, m_scaleY ); m_matrixCurrent.Scale( m_scaleX, m_scaleY );
m_matrixCurrent.Translate( m_logicalOriginX, m_logicalOriginY ); // the logical origin sets the origin to have new coordinates
m_matrixCurrent.Translate( -m_logicalOriginX, -m_logicalOriginY );
m_graphicContext->SetTransform( m_matrixOriginal ); m_graphicContext->SetTransform( m_matrixOriginal );
m_graphicContext->ConcatTransform( m_matrixCurrent ); m_graphicContext->ConcatTransform( m_matrixCurrent );