Add class factories for filter streams. Also filters now follow the convention

[wxWidgets.git] / src / common / fontmap.cpp

diff --git a/src/common/fontmap.cpp b/src/common/fontmap.cpp
index 18114477ff855487927f5b91b8f5eb01fe53ad1d..449fe5cd2643f4992e253419a5056b57a5dcd5bb 100644 (file)
--- a/src/common/fontmap.cpp
+++ b/src/common/fontmap.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        common/fontmap.cpp
+// Name:        src/common/fontmap.cpp
 // Purpose:     wxFontMapper class
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -26,10 +26,14 @@
 
 #if wxUSE_FONTMAP
 
+#include "wx/fontmap.h"
+
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/log.h"
     #include "wx/intl.h"
+    #include "wx/msgdlg.h"
+    #include "wx/choicdlg.h"
 #endif // PCH
 
 #if wxUSE_CONFIG
@@ -41,12 +45,9 @@
   #include  "wx/msw/winundef.h"
 #endif
 
-#include "wx/fontmap.h"
 #include "wx/fmappriv.h"
 #include "wx/fontutil.h"
-#include "wx/msgdlg.h"
 #include "wx/fontdlg.h"
-#include "wx/choicdlg.h"
 #include "wx/encinfo.h"
 
 #include "wx/encconv.h"
@@ -159,17 +160,17 @@ wxFontMapper::~wxFontMapper()
 {
 }
 
-bool wxFontMapper::IsWxFontMapper()
-{   return true; }
-
 /* static */
 wxFontMapper *wxFontMapper::Get()
 {
     wxFontMapperBase *fontmapper = wxFontMapperBase::Get();
-    wxASSERT_MSG(fontmapper->IsWxFontMapper(), wxT("GUI code requested a wxFontMapper but we only have a wxFontMapperBase."));
+    wxASSERT_MSG( !fontmapper->IsDummy(),
+                 wxT("GUI code requested a wxFontMapper but we only have a wxFontMapperBase.") );
+
     // Now return it anyway because there's a chance the GUI code might just
-    // only want to call wxFontMapperBase functions.
-    return (wxFontMapper*)fontmapper;
+    // only want to call wxFontMapperBase functions and it's better than
+    // crashing by returning NULL
+    return (wxFontMapper *)fontmapper;
 }
 
 wxFontEncoding
@@ -491,13 +492,13 @@ bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
                                      const wxString& facename,
                                      bool interactive)
 {
+    wxCHECK_MSG( encodingAlt, false,
+                    _T("wxFontEncoding::GetAltForEncoding(): NULL pointer") );
+
     wxNativeEncodingInfo info;
     if ( !GetAltForEncoding(encoding, &info, facename, interactive) )
         return false;
 
-    wxCHECK_MSG( encodingAlt, false,
-                    _T("wxFontEncoding::GetAltForEncoding(): NULL pointer") );
-
     *encodingAlt = info.encoding;
 
     return true;