src/mgl/fontutil.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mgl/fontutil.cpp
   3 // Purpose:     Font helper functions for MGL
   4 // Author:      Vaclav Slavik
   5 // Created:     2001/04/29
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/hash.h"
  20     #include "wx/log.h"
  21 #endif
  22
  23 #include "wx/fontutil.h"
  24 #include "wx/encinfo.h"
  25 #include "wx/fontmap.h"
  26 #include "wx/tokenzr.h"
  27
  28 #include "wx/listimpl.cpp"
  29 #include "wx/sysopt.h"
  30 #include "wx/mgl/private.h"
  31 #include "wx/private/fontmgr.h"
  32
  33 #include <mgraph.h>
  34
  35 // ============================================================================
  36 // implementation
  37 // ============================================================================
  38
  39 // ----------------------------------------------------------------------------
  40 // wxNativeEncodingInfo
  41 // ----------------------------------------------------------------------------
  42
  43 // convert to/from the string representation: format is
  44 //      encoding[;facename]
  45 bool wxNativeEncodingInfo::FromString(const wxString& s)
  46 {
  47     wxStringTokenizer tokenizer(s, wxT(";"));
  48
  49     wxString encid = tokenizer.GetNextToken();
  50     long enc;
  51     if ( !encid.ToLong(&enc) )
  52         return false;
  53     encoding = (wxFontEncoding)enc;
  54
  55     // ok even if empty
  56     facename = tokenizer.GetNextToken();
  57
  58     return true;
  59 }
  60
  61 wxString wxNativeEncodingInfo::ToString() const
  62 {
  63     wxString s;
  64     s << (long)encoding;
  65     if ( !facename.empty() )
  66     {
  67         s << wxT(';') << facename;
  68     }
  69
  70     return s;
  71 }
  72
  73 // ----------------------------------------------------------------------------
  74 // common functions
  75 // ----------------------------------------------------------------------------
  76
  77 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
  78                              wxNativeEncodingInfo *info)
  79 {
  80     wxCHECK_MSG( info, false, wxT("bad pointer in wxGetNativeFontEncoding") );
  81
  82     if ( encoding == wxFONTENCODING_DEFAULT )
  83     {
  84         encoding = wxFont::GetDefaultEncoding();
  85     }
  86
  87     switch ( encoding )
  88     {
  89         case wxFONTENCODING_ISO8859_1:
  90         case wxFONTENCODING_ISO8859_2:
  91         case wxFONTENCODING_ISO8859_3:
  92         case wxFONTENCODING_ISO8859_4:
  93         case wxFONTENCODING_ISO8859_5:
  94         case wxFONTENCODING_ISO8859_6:
  95         case wxFONTENCODING_ISO8859_7:
  96         case wxFONTENCODING_ISO8859_8:
  97         case wxFONTENCODING_ISO8859_9:
  98         case wxFONTENCODING_ISO8859_10:
  99         case wxFONTENCODING_ISO8859_11:
 100         case wxFONTENCODING_ISO8859_13:
 101         case wxFONTENCODING_ISO8859_14:
 102         case wxFONTENCODING_ISO8859_15:
 103             info->mglEncoding = MGL_ENCODING_ISO8859_1 +
 104                                 (encoding - wxFONTENCODING_ISO8859_1);
 105             break;
 106
 107         case wxFONTENCODING_KOI8:
 108             info->mglEncoding = MGL_ENCODING_KOI8;
 109             break;
 110
 111         case wxFONTENCODING_CP1250:
 112         case wxFONTENCODING_CP1251:
 113         case wxFONTENCODING_CP1252:
 114         case wxFONTENCODING_CP1253:
 115         case wxFONTENCODING_CP1254:
 116         case wxFONTENCODING_CP1255:
 117         case wxFONTENCODING_CP1256:
 118         case wxFONTENCODING_CP1257:
 119             info->mglEncoding = MGL_ENCODING_CP1250 +
 120                                 (encoding - wxFONTENCODING_CP1250);
 121             break;
 122
 123         case wxFONTENCODING_SYSTEM:
 124             info->mglEncoding = MGL_ENCODING_ASCII;
 125             break;
 126
 127         default:
 128             // encoding not known to MGL
 129             return false;
 130     }
 131
 132     info->encoding = encoding;
 133
 134     return true;
 135 }
 136
 137 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
 138 {
 139     if ( !info.facename )
 140         return true;
 141
 142     wxFontBundle *bundle = wxFontsManager::Get()->GetBundle(info.facename);
 143     if ( !bundle )
 144         return false;
 145     if ( bundle->GetInfo()->fontLibType == MGL_BITMAPFONT_LIB )
 146     {
 147         return (info.mglEncoding == MGL_ENCODING_ASCII ||
 148                 info.mglEncoding == MGL_ENCODING_ISO8859_1 ||
 149                 info.mglEncoding == MGL_ENCODING_ISO8859_15 ||
 150                 info.mglEncoding == MGL_ENCODING_CP1252);
 151     }
 152     else
 153         return true;
 154 }