Added wxUSE_DC_CACHEING and associated code to wxMSW

Added EnableCache, CacheEnabled to wxDCBase
Added mask source args to DoBlit, Blit
Added cache testing code to dragimag sample
Added wxSystemOptions, regenerated makefiles


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10962 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/sysopt.cpp

@@ -0,0 +1,133 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        common/sysopt.cpp
+// Purpose:     wxSystemOptions
+// Author:      Julian Smart
+// Modified by:
+// Created:     2001-07-10
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
+#ifdef __GNUG__
+    #pragma implementation "sysopt.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if defined(__BORLANDC__)
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/list.h"
+#endif
+
+#if wxUSE_SYSTEM_OPTIONS
+
+#include "wx/string.h"
+#include "wx/sysopt.h"
+#include "wx/module.h"
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// the module which is used to clean up wxSystemOptions data (this is a
+// singleton class so it can't be done in the dtor)
+class wxSystemOptionsModule : public wxModule
+{
+    friend class wxSystemOptions;
+public:
+    virtual bool OnInit();
+    virtual void OnExit();
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxSystemOptionsModule)
+
+    static wxArrayString   sm_optionNames;
+    static wxArrayString   sm_optionValues;
+};
+
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+// ----------------------------------------------------------------------------
+// wxSystemOptionsModule
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxSystemOptionsModule, wxModule)
+
+wxArrayString wxSystemOptionsModule::sm_optionNames;
+wxArrayString wxSystemOptionsModule::sm_optionValues;
+
+bool wxSystemOptionsModule::OnInit()
+{
+    return TRUE;
+}
+
+void wxSystemOptionsModule::OnExit()
+{
+    sm_optionNames.Clear();
+    sm_optionValues.Clear();
+}
+
+// ----------------------------------------------------------------------------
+// wxSystemOptions
+// ----------------------------------------------------------------------------
+
+// Option functions (arbitrary name/value mapping)
+void wxSystemOptions::SetOption(const wxString& name, const wxString& value)
+{
+    int idx = wxSystemOptionsModule::sm_optionNames.Index(name, FALSE);
+    if (idx == wxNOT_FOUND)
+    {
+        wxSystemOptionsModule::sm_optionNames.Add(name);
+        wxSystemOptionsModule::sm_optionValues.Add(value);
+    }
+    else
+    {
+        wxSystemOptionsModule::sm_optionNames[idx] = name;
+        wxSystemOptionsModule::sm_optionValues[idx] = value;
+    }
+}
+
+void wxSystemOptions::SetOption(const wxString& name, int value)
+{
+    wxString valStr;
+    valStr.Printf(wxT("%d"), value);
+    SetOption(name, valStr);
+}
+
+wxString wxSystemOptions::GetOption(const wxString& name)
+{
+    int idx = wxSystemOptionsModule::sm_optionNames.Index(name, FALSE);
+    if (idx == wxNOT_FOUND)
+        return wxEmptyString;
+    else
+        return wxSystemOptionsModule::sm_optionValues[idx];
+}
+
+int wxSystemOptions::GetOptionInt(const wxString& name)
+{
+    return wxAtoi(GetOption(name));
+}
+
+bool wxSystemOptions::HasOption(const wxString& name)
+{
+    return (wxSystemOptionsModule::sm_optionNames.Index(name, FALSE) != wxNOT_FOUND);
+}
+
+#endif
+    // wxUSE_SYSTEM_OPTIONS
+