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make sure invisible windows cannot paint using a wxClientDC or wxWindowDC by making their clip rect empty

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@53844 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2008-05-30 16:42:09 +00:00
parent dee6abf6d4
commit a69994a545
1 changed files with 5 additions and 0 deletions
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5
src/mac/carbon/dcclient.cpp
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@@ -128,6 +128,9 @@ wxWindowDC::wxWindowDC(wxWindow *window)
#if wxMAC_USE_CORE_GRAPHICS #if wxMAC_USE_CORE_GRAPHICS
m_window->GetSize( &m_width , &m_height); m_window->GetSize( &m_width , &m_height);
if ( !m_window->IsShownOnScreen() )
m_width = m_height = 0;
CGContextRef cg = (CGContextRef) window->MacGetCGContextRef(); CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
m_release = false; m_release = false;
if ( cg == NULL ) if ( cg == NULL )
@@ -246,6 +249,8 @@ wxClientDC::wxClientDC(wxWindow *window) :
wxCHECK_RET( window, _T("invalid window in wxClientDC") ); wxCHECK_RET( window, _T("invalid window in wxClientDC") );
wxPoint origin = window->GetClientAreaOrigin() ; wxPoint origin = window->GetClientAreaOrigin() ;
m_window->GetClientSize( &m_width , &m_height); m_window->GetClientSize( &m_width , &m_height);
if ( !m_window->IsShownOnScreen() )
m_width = m_height = 0;
SetDeviceOrigin( origin.x, origin.y ); SetDeviceOrigin( origin.x, origin.y );
SetClippingRegion( 0 , 0 , m_width , m_height ) ; SetClippingRegion( 0 , 0 , m_width , m_height ) ;
} }