added length to wx(Scoped)CharBuffer to improve handling of embedded NULs

[wxWidgets.git] / src / gtk1 / dcmemory.cpp

diff --git a/src/gtk1/dcmemory.cpp b/src/gtk1/dcmemory.cpp
index 5e81a549335e5aa163c8aa95ec3540a1f7e71d22..18bc2d09755a39ffd8643e835ad21fb22dcc884d 100644 (file)
--- a/src/gtk1/dcmemory.cpp
+++ b/src/gtk1/dcmemory.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcmemory.cpp
+// Name:        src/gtk1/dcmemory.cpp
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
@@ -7,42 +7,41 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "dcmemory.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#include "wx/dcmemory.h"
+#include "wx/gtk1/dcmemory.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
-// wxMemoryDC
+// wxMemoryDCImpl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxWindowDCImpl)
 
-wxMemoryDC::wxMemoryDC() : wxWindowDC()
+void wxMemoryDCImpl::Init()
 {
-    m_ok = FALSE;
+    m_ok = false;
 
     m_cmap = gtk_widget_get_default_colormap();
 }
 
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
-  : wxWindowDC()
+wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxDC *WXUNUSED(dc))
+              : wxWindowDCImpl(owner)
 {
-    m_ok = FALSE;
-
-    m_cmap = gtk_widget_get_default_colormap();
+    Init();
 }
 
-wxMemoryDC::~wxMemoryDC()
+wxMemoryDCImpl::~wxMemoryDCImpl()
 {
 }
 
-void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
 {
+    Destroy();
+
     m_selected = bitmap;
     if (m_selected.Ok())
     {
@@ -55,18 +54,82 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
             m_window = m_selected.GetBitmap();
         }
 
+        m_isMemDC = true;
+
         SetUpDC();
+    }
+    else
+    {
+        m_ok = false;
+        m_window = NULL;
+    }
+}
+
+void wxMemoryDCImpl::SetPen( const wxPen& penOrig )
+{
+    wxPen pen( penOrig );
+    if ( m_selected.Ok() &&
+            m_selected.GetBitmap() &&
+                (pen != *wxTRANSPARENT_PEN) )
+    {
+        pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
+    }
+
+    wxWindowDCImpl::SetPen( pen );
+}
+
+void wxMemoryDCImpl::SetBrush( const wxBrush& brushOrig )
+{
+    wxBrush brush( brushOrig );
+    if ( m_selected.Ok() &&
+            m_selected.GetBitmap() &&
+                (brush != *wxTRANSPARENT_BRUSH) )
+    {
+        brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE);
+    }
+
+    wxWindowDCImpl::SetBrush( brush );
+}
+
+void wxMemoryDCImpl::SetBackground( const wxBrush& brushOrig )
+{
+    wxBrush brush(brushOrig);
+
+    if ( m_selected.Ok() &&
+            m_selected.GetBitmap() &&
+                (brush != *wxTRANSPARENT_BRUSH) )
+    {
+        brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
+    }
+
+    wxWindowDCImpl::SetBackground( brush );
+}
+
+void wxMemoryDCImpl::SetTextForeground( const wxColour& col )
+{
+    if ( m_selected.Ok() && m_selected.GetBitmap() )
+    {
+        wxWindowDCImpl::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
+    }
+    else
+    {
+        wxWindowDCImpl::SetTextForeground( col );
+    }
+}
 
-        m_isMemDC = TRUE;
+void wxMemoryDCImpl::SetTextBackground( const wxColour &col )
+{
+    if (m_selected.Ok() && m_selected.GetBitmap())
+    {
+        wxWindowDCImpl::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
     }
     else
     {
-        m_ok = FALSE;
-        m_window = (GdkWindow *) NULL;
+        wxWindowDCImpl::SetTextBackground( col );
     }
 }
 
-void wxMemoryDC::DoGetSize( int *width, int *height ) const
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
 {
     if (m_selected.Ok())
     {
@@ -79,5 +142,3 @@ void wxMemoryDC::DoGetSize( int *width, int *height ) const
         if (height) (*height) = 0;
     }
 }
-
-