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supporting native content scaling on OSX

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74284 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2013-06-25 12:43:44 +00:00
parent d2bb4c8653
commit a6808851eb
1 changed files with 7 additions and 0 deletions
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7
src/osx/carbon/dcclient.cpp
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@@ -58,10 +58,17 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window )
if ( cg == NULL ) if ( cg == NULL )
{ {
SetGraphicsContext( wxGraphicsContext::Create( window ) ) ; SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
m_contentScaleFactor = window->GetContentScaleFactor();
SetDeviceOrigin(-window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize()); SetDeviceOrigin(-window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize());
} }
else else
{ {
// determine content scale
CGRect userrect = CGRectMake(0, 0, 10, 10);
CGRect devicerect;
devicerect = CGContextConvertRectToDeviceSpace(cg, userrect);
m_contentScaleFactor = devicerect.size.height / userrect.size.height;
CGContextSaveGState( cg ); CGContextSaveGState( cg );
m_release = true ; m_release = true ;
// make sure the context is having its origin at the wx-window coordinates of the // make sure the context is having its origin at the wx-window coordinates of the