src/dfb/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/font.cpp
   3 // Purpose:     wxFont implementation
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-08
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #include "wx/font.h"
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/app.h"
  30 #endif
  31
  32 #include "wx/fontutil.h"
  33 #include "wx/dfb/private.h"
  34
  35 // ----------------------------------------------------------------------------
  36 // wxFontRefData
  37 // ----------------------------------------------------------------------------
  38
  39 // FIXME: for now, always use single font
  40 static IDirectFBFontPtr gs_font = NULL;
  41 static unsigned gs_fontRefCnt = 0;
  42
  43 class wxFontRefData : public wxObjectRefData
  44 {
  45 public:
  46     wxFontRefData(int size = wxDEFAULT,
  47                   int family = wxDEFAULT,
  48                   int style = wxDEFAULT,
  49                   int weight = wxDEFAULT,
  50                   bool underlined = false,
  51                   const wxString& faceName = wxEmptyString,
  52                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  53     {
  54         if ( family == wxDEFAULT )
  55             family = wxSWISS;
  56         if ( style == wxDEFAULT )
  57             style = wxNORMAL;
  58         if ( weight == wxDEFAULT )
  59             weight = wxNORMAL;
  60         if ( size == wxDEFAULT )
  61             size = 12;
  62
  63         m_info.family = (wxFontFamily)family;
  64         m_info.faceName = faceName;
  65         m_info.style = (wxFontStyle)style;
  66         m_info.weight = (wxFontWeight)weight;
  67         m_info.pointSize = size;
  68         m_info.underlined = underlined;
  69         m_info.encoding = encoding;
  70
  71         // FIXME: always use default font for now
  72         if ( !gs_font )
  73         {
  74             IDirectFBPtr dfb(wxTheApp->GetDirectFBInterface());
  75
  76             DFBFontDescription desc;
  77             desc.flags = (DFBFontDescriptionFlags)0;
  78             IDirectFBFontPtr f;
  79             if ( DFB_CALL( dfb->CreateFont(dfb, NULL, &desc, &f) ) )
  80                 gs_font = f;
  81         }
  82         if ( gs_font ) // the above may fail
  83         {
  84             gs_fontRefCnt++;
  85             m_font = gs_font;
  86         }
  87     }
  88
  89     wxFontRefData(const wxFontRefData& data)
  90     {
  91         m_info = data.m_info;
  92         m_font = data.m_font;
  93     }
  94
  95     ~wxFontRefData()
  96     {
  97         if ( m_font )
  98         {
  99             m_font.Reset();
 100             // FIXME
 101             if ( --gs_fontRefCnt == 0 )
 102                 gs_font = NULL;
 103         }
 104     }
 105
 106     wxNativeFontInfo m_info;
 107     IDirectFBFontPtr m_font;
 108 };
 109
 110
 111 // ----------------------------------------------------------------------------
 112 // wxFont
 113 // ----------------------------------------------------------------------------
 114
 115 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 116
 117 bool wxFont::Create(const wxNativeFontInfo& info)
 118 {
 119     return Create(info.pointSize, info.family, info.style, info.weight,
 120                   info.underlined, info.faceName, info.encoding);
 121 }
 122
 123 bool wxFont::Create(int pointSize,
 124                     int family,
 125                     int style,
 126                     int weight,
 127                     bool underlined,
 128                     const wxString& face,
 129                     wxFontEncoding encoding)
 130 {
 131     m_refData = new wxFontRefData(pointSize, family, style, weight,
 132                                   underlined, face, encoding);
 133     return true;
 134 }
 135
 136 wxObjectRefData *wxFont::CreateRefData() const
 137 {
 138     return new wxFontRefData;
 139 }
 140
 141 wxObjectRefData *wxFont::CloneRefData(const wxObjectRefData *data) const
 142 {
 143     return new wxFontRefData(*(wxFontRefData *)data);
 144 }
 145
 146
 147 // ----------------------------------------------------------------------------
 148 // accessors
 149 // ----------------------------------------------------------------------------
 150
 151 IDirectFBFontPtr wxFont::GetDirectFBFont() const
 152 {
 153     wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
 154
 155     return M_FONTDATA->m_font;
 156 }
 157
 158 int wxFont::GetPointSize() const
 159 {
 160     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 161
 162     return M_FONTDATA->m_info.pointSize;
 163 }
 164
 165 wxString wxFont::GetFaceName() const
 166 {
 167     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 168
 169     return M_FONTDATA->m_info.faceName;
 170 }
 171
 172 int wxFont::GetFamily() const
 173 {
 174     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 175
 176     return M_FONTDATA->m_info.family;
 177 }
 178
 179 int wxFont::GetStyle() const
 180 {
 181     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 182
 183     return M_FONTDATA->m_info.style;
 184 }
 185
 186 int wxFont::GetWeight() const
 187 {
 188     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 189
 190     return M_FONTDATA->m_info.weight;
 191 }
 192
 193 bool wxFont::GetUnderlined() const
 194 {
 195     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 196
 197     return M_FONTDATA->m_info.underlined;
 198 }
 199
 200
 201 wxFontEncoding wxFont::GetEncoding() const
 202 {
 203     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 204
 205     return M_FONTDATA->m_info.encoding;
 206 }
 207
 208 bool wxFont::IsFixedWidth() const
 209 {
 210     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 211
 212     return true; // FIXME_DFB
 213 }
 214
 215 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 216 {
 217     wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
 218
 219     return &(M_FONTDATA->m_info);
 220 }
 221
 222 // ----------------------------------------------------------------------------
 223 // change font attributes
 224 // ----------------------------------------------------------------------------
 225
 226 void wxFont::SetPointSize(int pointSize)
 227 {
 228     AllocExclusive();
 229
 230     M_FONTDATA->m_info.pointSize = pointSize;
 231 }
 232
 233 void wxFont::SetFamily(int family)
 234 {
 235     AllocExclusive();
 236
 237     M_FONTDATA->m_info.family = (wxFontFamily)family;
 238 }
 239
 240 void wxFont::SetStyle(int style)
 241 {
 242     AllocExclusive();
 243
 244     M_FONTDATA->m_info.style = (wxFontStyle)style;
 245 }
 246
 247 void wxFont::SetWeight(int weight)
 248 {
 249     AllocExclusive();
 250
 251     M_FONTDATA->m_info.weight = (wxFontWeight)weight;
 252 }
 253
 254 bool wxFont::SetFaceName(const wxString& faceName)
 255 {
 256     AllocExclusive();
 257
 258     M_FONTDATA->m_info.faceName = faceName;
 259
 260     return wxFontBase::SetFaceName(faceName);
 261 }
 262
 263 void wxFont::SetUnderlined(bool underlined)
 264 {
 265     AllocExclusive();
 266
 267     M_FONTDATA->m_info.underlined = underlined;
 268 }
 269
 270 void wxFont::SetEncoding(wxFontEncoding encoding)
 271 {
 272     AllocExclusive();
 273
 274     M_FONTDATA->m_info.encoding = encoding;
 275 }