trying to avoid redraw problems at wrong places

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

diff --git a/src/mac/carbon/dcmemory.cpp b/src/mac/carbon/dcmemory.cpp
index fe88bf806cfa070d3f05e15e107f8f80ede1df6d..e850a59e4d431a92a96d7ef2ff3a6fad623c913c 100644 (file)
--- a/src/mac/carbon/dcmemory.cpp
+++ b/src/mac/carbon/dcmemory.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        dcmemory.cpp
 // Purpose:     wxMemoryDC class
-// Author:      AUTHOR
+// Author:      Stefan Csomor
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) Stefan Csomor
+// Licence:       wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -14,6 +14,7 @@
 #endif
 
 #include "wx/dcmemory.h"
+#include "wx/mac/private.h"
 
 //-----------------------------------------------------------------------------
 // wxMemoryDC
@@ -22,60 +23,78 @@
 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
 
 wxMemoryDC::wxMemoryDC(void)
+: m_selected()
 {
-  m_ok = FALSE;
+    m_ok = TRUE;
+    SetBackground(*wxWHITE_BRUSH);
+    SetBrush(*wxWHITE_BRUSH);
+    SetPen(*wxBLACK_PEN);
+    m_ok = FALSE;
 };
 
 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
+: m_selected()
 {
-  m_ok = FALSE;
+    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(MAC_WXHBITMAP(m_selected.GetHBITMAP())) );
+    }
 };
 
 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
 {
-  m_selected = bitmap;
-  if (m_selected.Ok())
-  {
-               wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
-               if ( bmap->m_hBitmap )
-               {
-                       m_macPort = (GrafPtr) bmap->m_hBitmap ;
-                       wxMask * mask = bitmap.GetMask() ;
-                       if ( mask )
-                       {
-                               m_macMask = mask->GetMaskBitmap() ;
-                       }
-                       MacSetupPort() ;
-                       m_ok = TRUE ;
-                       // SetBackground(wxBrush(*wxWHITE, wxSOLID));
-               }
-               else
-               {
-           m_ok = FALSE;
-               }
-  }
-  else
-  {
-    m_ok = FALSE;
-  };
-};
+    if ( m_selected.Ok() )
+    {
+        UnlockPixels( GetGWorldPixMap(MAC_WXHBITMAP(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() ;
+            }
+            SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , 0 , 0 , m_selected.GetWidth() , m_selected.GetHeight() ) ;
+            CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
+            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())
-  {
-    if (width) (*width) = m_selected.GetWidth();
-    if (height) (*height) = m_selected.GetHeight();
-  }
-  else
-  {
-    if (width) (*width) = 0;
-    if (height) (*height) = 0;
-  };
-};
+    if (m_selected.Ok())
+    {
+        if (width) (*width) = m_selected.GetWidth();
+        if (height) (*height) = m_selected.GetHeight();
+    }
+    else
+    {
+        if (width) (*width) = 0;
+        if (height) (*height) = 0;
+    }
+}