simplify code so it always returns the same object

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

diff --git a/src/gtk1/dcmemory.cpp b/src/gtk1/dcmemory.cpp
index e996334c006bd00330c97b8d7bc15be51b16e2a7..90b866b03480c1c3b40f4aa249d58285a3c88e6c 100644 (file)
--- a/src/gtk1/dcmemory.cpp
+++ b/src/gtk1/dcmemory.cpp
@@ -1,47 +1,49 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dcmemory.cpp
+// Name:        src/gtk1/dcmemory.cpp

 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:    wxWindows licence
+// 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();
 }
 
     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;
     m_selected = bitmap;

-    if (m_selected.Ok())
+    if (m_selected.IsOk())

     {
         if (m_selected.GetPixmap())
         {
     {
         if (m_selected.GetPixmap())
         {


@@ -51,21 +53,85 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
         {
             m_window = m_selected.GetBitmap();
         }
         {
             m_window = m_selected.GetBitmap();
         }

-    
+
+        m_isMemDC = true;
+

         SetUpDC();
         SetUpDC();

-    
-        m_isMemDC = TRUE;

     }
     else
     }
     else

-    { 
-        m_ok = FALSE;
-        m_window = (GdkWindow *) NULL;
+    {
+        m_ok = false;
+        m_window = NULL;
+    }
+}
+
+void wxMemoryDCImpl::SetPen( const wxPen& penOrig )
+{
+    wxPen pen( penOrig );
+    if ( m_selected.IsOk() &&
+            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.IsOk() &&
+            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.IsOk() &&
+            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.IsOk() && m_selected.GetBitmap() )
+    {
+        wxWindowDCImpl::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
+    }
+    else
+    {
+        wxWindowDCImpl::SetTextForeground( col );

     }
 }
 
     }
 }
 

-void wxMemoryDC::GetSize( int *width, int *height ) const
+void wxMemoryDCImpl::SetTextBackground( const wxColour &col )

 {
 {

-    if (m_selected.Ok())
+    if (m_selected.IsOk() && m_selected.GetBitmap())
+    {
+        wxWindowDCImpl::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
+    }
+    else
+    {
+        wxWindowDCImpl::SetTextBackground( col );
+    }
+}
+
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
+{
+    if (m_selected.IsOk())

     {
         if (width) (*width) = m_selected.GetWidth();
         if (height) (*height) = m_selected.GetHeight();
     {
         if (width) (*width) = m_selected.GetWidth();
         if (height) (*height) = m_selected.GetHeight();


@@ -76,5 +142,3 @@ void wxMemoryDC::GetSize( int *width, int *height ) const
         if (height) (*height) = 0;
     }
 }
         if (height) (*height) = 0;
     }
 }

-
-