removed assert which could be provoked by correct code

[wxWidgets.git] / src / mac / dcmemory.cpp

diff --git a/src/mac/dcmemory.cpp b/src/mac/dcmemory.cpp
index 7cbd330821f76b4c97a124689b631d859e829e03..85f1af33c59bb32ffb2d5b12c143b77c447884bb 100644 (file)
--- a/src/mac/dcmemory.cpp
+++ b/src/mac/dcmemory.cpp
@@ -23,31 +23,62 @@ IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
 
 wxMemoryDC::wxMemoryDC(void)
 {
+  m_ok = TRUE;
+    SetBackground(*wxWHITE_BRUSH);
+    SetBrush(*wxWHITE_BRUSH);
+    SetPen(*wxBLACK_PEN);
   m_ok = FALSE;
 };
 
 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
 {
+ m_ok = TRUE;
+    SetBackground(*wxWHITE_BRUSH);
+    SetBrush(*wxWHITE_BRUSH);
+    SetPen(*wxBLACK_PEN);
   m_ok = FALSE;
 };
 
-wxMemoryDC::~wxMemoryDC(void)
+wxMemoryDC::~wxMemoryDC()
 {
+       if ( m_selected.Ok() )
+       {
+               UnlockPixels( GetGWorldPixMap(m_selected.GetHBITMAP()) );
+       }
 };
 
 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
 {
-  m_selected = bitmap;
-  if (m_selected.Ok())
-  {
+       if ( m_selected.Ok() )
+       {
+               UnlockPixels( GetGWorldPixMap(m_selected.GetHBITMAP()) );
+       }
+    m_selected = bitmap;
+    if (m_selected.Ok())
+    {
+               if ( m_selected.GetHBITMAP() )
+               {
+                       m_macPort = (GrafPtr) m_selected.GetHBITMAP() ;
+                       LockPixels( GetGWorldPixMap(  (CGrafPtr)  m_macPort ) ) ;
+                       wxMask * mask = bitmap.GetMask() ;
+                       if ( mask )
+                       {
+                               m_macMask = mask->GetMaskBitmap() ;
+                       }
+                       m_ok = TRUE ;
+               }
+               else
+               {
+               m_ok = FALSE;
+               }
   }
   else
   {
     m_ok = FALSE;
-  };
-};
+  }
+}
 
-void wxMemoryDC::GetSize( int *width, int *height ) const
+void wxMemoryDC::DoGetSize( int *width, int *height ) const
 {
   if (m_selected.Ok())
   {
@@ -58,7 +89,7 @@ void wxMemoryDC::GetSize( int *width, int *height ) const
   {
     if (width) (*width) = 0;
     if (height) (*height) = 0;
-  };
-};
+  }
+}