added conversions to/from UTF 16/32 LE/BE (patch 809685)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23792 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/fontenc.h

@@ -68,6 +68,12 @@ enum wxFontEncoding
 
     wxFONTENCODING_UTF7,            // UTF-7 Unicode encoding
     wxFONTENCODING_UTF8,            // UTF-8 Unicode encoding
+    wxFONTENCODING_UTF16,           // UTF-16 Unicode encoding
+    wxFONTENCODING_UTF16BE,         // UTF-16 Big Endian Unicode encoding
+    wxFONTENCODING_UTF16LE,         // UTF-16 Little Endian Unicode encoding
+    wxFONTENCODING_UTF32,           // UTF-32 Unicode encoding
+    wxFONTENCODING_UTF32BE,         // UTF-32 Big Endian Unicode encoding
+    wxFONTENCODING_UTF32LE,         // UTF-32 Little Endian Unicode encoding
 
     // Far Eastern encodings
         // Chinese

include/wx/strconv.h

@@ -91,6 +91,50 @@ public:
 
 WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8) wxConvUTF8;
 
+// ----------------------------------------------------------------------------
+// wxMBConvUTF16LE (for conversion using UTF16 Little Endian encoding)
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxMBConvUTF16LE : public wxMBConv
+{
+public:
+    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
+    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+};
+
+// ----------------------------------------------------------------------------
+// wxMBConvUTF16BE (for conversion using UTF16 Big Endian encoding)
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxMBConvUTF16BE : public wxMBConv
+{
+public:
+    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
+    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+};
+
+// ----------------------------------------------------------------------------
+// wxMBConvUCS4LE (for conversion using UTF32 Little Endian encoding)
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxMBConvUTF32LE : public wxMBConv
+{
+public:
+    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
+    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+};
+
+// ----------------------------------------------------------------------------
+// wxMBConvUCS4BE (for conversion using UTF32 Big Endian encoding)
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxMBConvUTF32BE : public wxMBConv
+{
+public:
+    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
+    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+};
+
 // ----------------------------------------------------------------------------
 // wxCSConv (for conversion based on loadable char sets)
 // ----------------------------------------------------------------------------

src/common/fmapbase.cpp

@@ -87,6 +87,12 @@ static wxFontEncoding gs_encodings[] =
     wxFONTENCODING_CP437,
     wxFONTENCODING_UTF7,
     wxFONTENCODING_UTF8,
+    wxFONTENCODING_UTF16,
+    wxFONTENCODING_UTF16BE,
+    wxFONTENCODING_UTF16LE,
+    wxFONTENCODING_UTF32,
+    wxFONTENCODING_UTF32BE,
+    wxFONTENCODING_UTF32LE,
     wxFONTENCODING_EUC_JP,
 };
 
@@ -124,6 +130,12 @@ static const wxChar* gs_encodingDescs[] =
     wxTRANSLATE( "Windows/DOS OEM (CP 437)" ),
     wxTRANSLATE( "Unicode 7 bit (UTF-7)" ),
     wxTRANSLATE( "Unicode 8 bit (UTF-8)" ),
+    wxTRANSLATE( "Unicode 16 bit (UTF-16)" ),
+    wxTRANSLATE( "Unicode 16 bit Big Endian (UTF-16BE)" ),
+    wxTRANSLATE( "Unicode 16 bit Little Endian (UTF-16LE)" ),
+    wxTRANSLATE( "Unicode 32 bit (UTF-32)" ),
+    wxTRANSLATE( "Unicode 32 bit Big Endian (UTF-32BE)" ),
+    wxTRANSLATE( "Unicode 32 bit Little Endian (UTF-32LE)" ),
     wxTRANSLATE( "Extended Unix Codepage for Japanese (EUC-JP)" ),
 };
 
@@ -161,6 +173,12 @@ static const wxChar* gs_encodingNames[] =
     wxT( "windows-437" ),
     wxT( "utf-7" ),
     wxT( "utf-8" ),
+    wxT( "utf-16" ),
+    wxT( "utf-16be" ),
+    wxT( "utf-16le" ),
+    wxT( "utf-32" ),
+    wxT( "utf-32be" ),
+    wxT( "utf-32le" ),
     wxT( "euc-jp" ),
 };
 
@@ -455,6 +473,30 @@ wxFontMapperBase::NonInteractiveCharsetToEncoding(const wxString& charset)
         {
             encoding = wxFONTENCODING_UTF8;
         }
+        else if ( cs == wxT("UTF-16") )
+        {
+            encoding = wxFONTENCODING_UTF16;
+        }
+        else if ( cs == wxT("UTF-16BE") )
+        {
+            encoding = wxFONTENCODING_UTF16BE;
+        }
+        else if ( cs == wxT("UTF-16LE") )
+        {
+            encoding = wxFONTENCODING_UTF16LE;
+        }
+        else if ( cs == wxT("UTF-32") || cs == wxT("UCS-4") )
+        {
+            encoding = wxFONTENCODING_UTF32;
+        }
+        else if ( cs == wxT("UTF-32BE") || cs == wxT("UCS-4BE") )
+        {
+            encoding = wxFONTENCODING_UTF32BE;
+        }
+        else if ( cs == wxT("UTF-32LE") || cs == wxT("UCS-4LE") )
+        {
+            encoding = wxFONTENCODING_UTF32LE;
+        }
         else if ( cs == wxT("GB2312") )
         {
             encoding = wxFONTENCODING_GB2312;