offsetting dcs correctly

[wxWidgets.git] / src / mac / carbon / dcclient.cpp

diff --git a/src/mac/carbon/dcclient.cpp b/src/mac/carbon/dcclient.cpp
index 07304d1ecdaab5d8a38da903001d8c78bfa24e7a..affb800da12aaecfffae74e99b32bf13fcc7de5d 100644 (file)
--- a/src/mac/carbon/dcclient.cpp
+++ b/src/mac/carbon/dcclient.cpp
@@ -130,9 +130,21 @@ wxWindowDC::wxWindowDC(wxWindow *window)
        CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
        m_release = false;
     if ( cg == NULL )
+       {
                SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
+               SetDeviceOrigin( x, y );
+       }
        else
+       {
+               CGContextSaveGState( cg );
+               m_release = true ;
+               // make sure the context is having its origin at the wx-window coordinates of the 
+               // view (read at the top of window.cpp about the differences)
+               if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
+                       CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
+               
                SetGraphicsContext( wxGraphicsContext::CreateFromNative( cg ) );
+       }
        m_graphicContext->SetPen( m_pen ) ;
        m_graphicContext->SetBrush( m_brush ) ;
        SetClippingRegion( 0 , 0 , m_width , m_height ) ;
@@ -155,6 +167,8 @@ wxWindowDC::~wxWindowDC()
 #if wxMAC_USE_CORE_GRAPHICS
        if ( m_release && m_graphicContext )
        {
+               CGContextRef cg = (CGContextRef) m_window->MacGetCGContextRef();
+               CGContextRestoreGState(cg);
 //             CGContextRef cg = (CGContextRef) m_graphicContext->GetNativeContext() ;
        }
 #endif
@@ -194,6 +208,7 @@ wxClientDC::wxClientDC(wxWindow *window) :
     y = origin.y ;
     window->MacWindowToRootWindow( &x , &y ) ;
     m_window->GetClientSize( &m_width , &m_height);
+       SetDeviceOrigin( origin.x, origin.y );
        SetClippingRegion( 0 , 0 , m_width , m_height ) ;
 }
 #else
@@ -260,6 +275,7 @@ wxPaintDC::wxPaintDC(wxWindow *window) :
     y = origin.y ;
     window->MacWindowToRootWindow( &x , &y ) ;
     m_window->GetClientSize( &m_width , &m_height);
+       SetDeviceOrigin( origin.x, origin.y );
        SetClippingRegion( 0 , 0 , m_width , m_height ) ;
 }
 #else