remove always-true test of unsigned >= 0

[wxWidgets.git] / src / x11 / dcmemory.cpp

diff --git a/src/x11/dcmemory.cpp b/src/x11/dcmemory.cpp
index 34cc5f075387fb6c1c479593b569b7dbec16a64a..e8124afc8452456598a014c9e14d26a0cd011e48 100644 (file)
--- a/src/x11/dcmemory.cpp
+++ b/src/x11/dcmemory.cpp
@@ -1,79 +1,90 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcmemory.cpp
+// Name:        src/x11/dcmemory.cpp
 // Purpose:     wxMemoryDC class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// 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/settings.h"
-#include "wx/utils.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+#endif
 
 #include "wx/x11/private.h"
+#include "wx/x11/dcmemory.h"
 
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl,wxWindowDCImpl)
 
-wxMemoryDC::wxMemoryDC() : wxWindowDC()
+wxMemoryDCImpl::wxMemoryDCImpl( wxDC *owner )
+  : wxWindowDCImpl( owner )
 {
-    m_ok = FALSE;
-    
-    m_display = (WXDisplay *) wxGlobalDisplay();
+    Init();
+}
 
-    int screen = DefaultScreen( wxGlobalDisplay() );
-    m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen );
+wxMemoryDCImpl::wxMemoryDCImpl(  wxDC *owner, wxBitmap& bitmap )
+  : wxWindowDCImpl( owner )
+{
+    Init();
+    DoSelect(bitmap);
 }
 
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
-  : wxWindowDC()
+wxMemoryDCImpl::wxMemoryDCImpl( wxDC* owner, wxDC *WXUNUSED(dc) )
+  : wxWindowDCImpl( owner )
 {
-    m_ok = FALSE;
+    Init();
+}
+
+void wxMemoryDCImpl::Init()
+{
+    m_ok = false;
 
     m_display = (WXDisplay *) wxGlobalDisplay();
-    
+
     int screen = DefaultScreen( wxGlobalDisplay() );
     m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen );
 }
 
-wxMemoryDC::~wxMemoryDC()
+wxMemoryDCImpl::~wxMemoryDCImpl()
 {
 }
 
-void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
 {
     Destroy();
-    
+
     m_selected = bitmap;
     if (m_selected.Ok())
     {
         if (m_selected.GetPixmap())
         {
-            m_window = (WXWindow) m_selected.GetPixmap();
+            m_x11window = (WXWindow) m_selected.GetPixmap();
         }
         else
         {
-//            m_window = m_selected.GetBitmap();
+            m_x11window = m_selected.GetBitmap();
         }
 
-        m_isMemDC = TRUE;
+        m_isMemDC = true;
 
         SetUpDC();
     }
     else
     {
-        m_ok = FALSE;
-        m_window = NULL;
+        m_ok = false;
+        m_x11window = NULL;
     }
 }
 
-void wxMemoryDC::DoGetSize( int *width, int *height ) const
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
 {
     if (m_selected.Ok())
     {
@@ -86,3 +97,13 @@ void wxMemoryDC::DoGetSize( int *width, int *height ) const
         if (height) (*height) = 0;
     }
 }
+
+const wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() const
+{
+    return m_selected;
+}
+
+wxBitmap& wxMemoryDCImpl::GetSelectedBitmap()
+{
+    return m_selected;
+}