src/palmos/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/14/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/list.h"
  29     #include "wx/utils.h"
  30     #include "wx/app.h"
  31     #include "wx/font.h"
  32     #include "wx/log.h"
  33     #include "wx/encinfo.h"
  34 #endif // WX_PRECOMP
  35
  36 #include "wx/fontutil.h"
  37 #include "wx/fontmap.h"
  38
  39 #include "wx/tokenzr.h"
  40
  41 #if wxUSE_EXTENDED_RTTI
  42
  43 wxBEGIN_ENUM( wxFontFamily )
  44     wxENUM_MEMBER( wxDEFAULT )
  45     wxENUM_MEMBER( wxDECORATIVE )
  46     wxENUM_MEMBER( wxROMAN )
  47     wxENUM_MEMBER( wxSCRIPT )
  48     wxENUM_MEMBER( wxSWISS )
  49     wxENUM_MEMBER( wxMODERN )
  50     wxENUM_MEMBER( wxTELETYPE )
  51 wxEND_ENUM( wxFontFamily )
  52
  53 wxBEGIN_ENUM( wxFontStyle )
  54     wxENUM_MEMBER( wxNORMAL )
  55     wxENUM_MEMBER( wxITALIC )
  56     wxENUM_MEMBER( wxSLANT )
  57 wxEND_ENUM( wxFontStyle )
  58
  59 wxBEGIN_ENUM( wxFontWeight )
  60     wxENUM_MEMBER( wxNORMAL )
  61     wxENUM_MEMBER( wxLIGHT )
  62     wxENUM_MEMBER( wxBOLD )
  63 wxEND_ENUM( wxFontWeight )
  64
  65 IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h")
  66
  67 wxBEGIN_PROPERTIES_TABLE(wxFont)
  68     wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  69     wxPROPERTY( Family, int  , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily
  70     wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle
  71     wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight
  72     wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  73     wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  74     wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  75 wxEND_PROPERTIES_TABLE()
  76
  77 wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face )
  78
  79 wxBEGIN_HANDLERS_TABLE(wxFont)
  80 wxEND_HANDLERS_TABLE()
  81
  82 #else
  83     IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  84 #endif
  85
  86
  87 // ----------------------------------------------------------------------------
  88 // constants
  89 // ----------------------------------------------------------------------------
  90
  91 // ----------------------------------------------------------------------------
  92 // wxFontRefData - the internal description of the font
  93 // ----------------------------------------------------------------------------
  94
  95 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
  96 {
  97 public:
  98     // constructors
  99     wxFontRefData()
 100     {
 101         Init(-1, wxSize(0, 0), false, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
 102              wxFONTWEIGHT_NORMAL, false, wxEmptyString,
 103              wxFONTENCODING_DEFAULT);
 104     }
 105
 106     wxFontRefData(int size,
 107                   const wxSize& pixelSize,
 108                   bool sizeUsingPixels,
 109                   int family,
 110                   int style,
 111                   int weight,
 112                   bool underlined,
 113                   const wxString& faceName,
 114                   wxFontEncoding encoding)
 115     {
 116         Init(size, pixelSize, sizeUsingPixels, family, style, weight,
 117              underlined, faceName, encoding);
 118     }
 119
 120     wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
 121     {
 122         Init(info, hFont);
 123     }
 124
 125     wxFontRefData(const wxFontRefData& data)
 126     {
 127         if ( data.m_nativeFontInfoOk )
 128         {
 129             Init(data.m_nativeFontInfo);
 130         }
 131         else
 132         {
 133             Init(data.m_pointSize, data.m_pixelSize, data.m_sizeUsingPixels,
 134                  data.m_family, data.m_style, data.m_weight,
 135                  data.m_underlined, data.m_faceName, data.m_encoding);
 136         }
 137     }
 138
 139     virtual ~wxFontRefData();
 140
 141     // operations
 142     bool Alloc(wxFont *font);
 143
 144     void Free();
 145
 146     // all wxFont accessors
 147     int GetPointSize() const
 148     {
 149         return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
 150                                   : m_pointSize;
 151     }
 152
 153     wxSize GetPixelSize() const
 154     {
 155         return m_nativeFontInfoOk ? m_nativeFontInfo.GetPixelSize()
 156                                   : m_pixelSize;
 157     }
 158
 159     bool IsUsingSizeInPixels() const
 160     {
 161         return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
 162     }
 163
 164     int GetFamily() const
 165     {
 166         return m_family;
 167     }
 168
 169     int GetStyle() const
 170     {
 171         return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
 172                                   : m_style;
 173     }
 174
 175     int GetWeight() const
 176     {
 177         return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
 178                                   : m_weight;
 179     }
 180
 181     bool GetUnderlined() const
 182     {
 183         return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
 184                                   : m_underlined;
 185     }
 186
 187     wxString GetFaceName() const
 188     {
 189         wxString s;
 190         if ( m_nativeFontInfoOk )
 191             s = m_nativeFontInfo.GetFaceName();
 192         else
 193             s = m_faceName;
 194
 195         return s;
 196     }
 197
 198     wxFontEncoding GetEncoding() const
 199     {
 200         return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
 201                                   : m_encoding;
 202     }
 203
 204     WXHFONT GetHFONT() const { return m_hFont; }
 205
 206     // ... and setters
 207     void SetPointSize(int pointSize)
 208     {
 209         if ( m_nativeFontInfoOk )
 210         {
 211             m_nativeFontInfo.SetPointSize(pointSize);
 212         }
 213         else
 214         {
 215             m_pointSize = pointSize;
 216             m_sizeUsingPixels = false;
 217         }
 218     }
 219
 220     void SetPixelSize(const wxSize& pixelSize)
 221     {
 222         if ( m_nativeFontInfoOk )
 223         {
 224             m_nativeFontInfo.SetPixelSize(pixelSize);
 225         }
 226         else
 227         {
 228             m_pixelSize = pixelSize;
 229             m_sizeUsingPixels = true;
 230         }
 231     }
 232
 233     void SetFamily(int family)
 234     {
 235         m_family = family;
 236     }
 237
 238     void SetStyle(int style)
 239     {
 240         if ( m_nativeFontInfoOk )
 241             m_nativeFontInfo.SetStyle((wxFontStyle)style);
 242         else
 243             m_style = style;
 244     }
 245
 246     void SetWeight(int weight)
 247     {
 248         if ( m_nativeFontInfoOk )
 249             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
 250         else
 251             m_weight = weight;
 252     }
 253
 254     bool SetFaceName(const wxString& faceName)
 255     {
 256         if ( m_nativeFontInfoOk )
 257             m_nativeFontInfo.SetFaceName(faceName);
 258         else
 259             m_faceName = faceName;
 260     }
 261
 262     void SetUnderlined(bool underlined)
 263     {
 264         if ( m_nativeFontInfoOk )
 265             m_nativeFontInfo.SetUnderlined(underlined);
 266         else
 267             m_underlined = underlined;
 268     }
 269
 270     void SetEncoding(wxFontEncoding encoding)
 271     {
 272         if ( m_nativeFontInfoOk )
 273             m_nativeFontInfo.SetEncoding(encoding);
 274         else
 275             m_encoding = encoding;
 276     }
 277
 278     // native font info tests
 279     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 280
 281     const wxNativeFontInfo& GetNativeFontInfo() const
 282         { return m_nativeFontInfo; }
 283
 284 protected:
 285     // common part of all ctors
 286     void Init(int size,
 287               const wxSize& pixelSize,
 288               bool sizeUsingPixels,
 289               int family,
 290               int style,
 291               int weight,
 292               bool underlined,
 293               const wxString& faceName,
 294               wxFontEncoding encoding);
 295
 296     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 297
 298     // font characterstics
 299     int           m_pointSize;
 300     wxSize        m_pixelSize;
 301     bool          m_sizeUsingPixels;
 302     int           m_family;
 303     int           m_style;
 304     int           m_weight;
 305     bool          m_underlined;
 306     wxString      m_faceName;
 307     wxFontEncoding m_encoding;
 308
 309     // Windows font handle
 310     WXHFONT       m_hFont;
 311
 312     // Native font info
 313     wxNativeFontInfo m_nativeFontInfo;
 314     bool             m_nativeFontInfoOk;
 315 };
 316
 317 // ============================================================================
 318 // implementation
 319 // ============================================================================
 320
 321 // ----------------------------------------------------------------------------
 322 // wxFontRefData
 323 // ----------------------------------------------------------------------------
 324
 325 void wxFontRefData::Init(int pointSize,
 326                          const wxSize& pixelSize,
 327                          bool sizeUsingPixels,
 328                          int family,
 329                          int style,
 330                          int weight,
 331                          bool underlined,
 332                          const wxString& faceName,
 333                          wxFontEncoding encoding)
 334 {
 335 }
 336
 337 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 338 {
 339 }
 340
 341 wxFontRefData::~wxFontRefData()
 342 {
 343 }
 344
 345 bool wxFontRefData::Alloc(wxFont *font)
 346 {
 347     return false;
 348 }
 349
 350 void wxFontRefData::Free()
 351 {
 352 }
 353
 354 // ----------------------------------------------------------------------------
 355 // wxNativeFontInfo
 356 // ----------------------------------------------------------------------------
 357
 358 void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
 359 {
 360 }
 361
 362 // ----------------------------------------------------------------------------
 363 // wxFont
 364 // ----------------------------------------------------------------------------
 365
 366 bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 367 {
 368     return false;
 369 }
 370
 371 wxFont::wxFont(const wxString& fontdesc)
 372 {
 373 }
 374
 375 /* Constructor for a font. Note that the real construction is done
 376  * in wxDC::SetFont, when information is available about scaling etc.
 377  */
 378 bool wxFont::DoCreate(int pointSize,
 379                       const wxSize& pixelSize,
 380                       bool sizeUsingPixels,
 381                       int family,
 382                       int style,
 383                       int weight,
 384                       bool underlined,
 385                       const wxString& faceName,
 386                       wxFontEncoding encoding)
 387 {
 388     return false;
 389 }
 390
 391 wxFont::~wxFont()
 392 {
 393 }
 394
 395 // ----------------------------------------------------------------------------
 396 // real implementation
 397 // ----------------------------------------------------------------------------
 398
 399 bool wxFont::RealizeResource()
 400 {
 401     return false;
 402 }
 403
 404 bool wxFont::FreeResource(bool WXUNUSED(force))
 405 {
 406     return false;
 407 }
 408
 409 WXHANDLE wxFont::GetResourceHandle() const
 410 {
 411     return (WXHANDLE)0;
 412 }
 413
 414 bool wxFont::IsFree() const
 415 {
 416     return false;
 417 }
 418
 419 void wxFont::Unshare()
 420 {
 421 }
 422
 423 // ----------------------------------------------------------------------------
 424 // change font attribute: we recreate font when doing it
 425 // ----------------------------------------------------------------------------
 426
 427 void wxFont::SetPointSize(int pointSize)
 428 {
 429 }
 430
 431 void wxFont::SetPixelSize(const wxSize& pixelSize)
 432 {
 433 }
 434
 435 void wxFont::SetFamily(int family)
 436 {
 437 }
 438
 439 void wxFont::SetStyle(int style)
 440 {
 441 }
 442
 443 void wxFont::SetWeight(int weight)
 444 {
 445 }
 446
 447 bool wxFont::SetFaceName(const wxString& faceName)
 448 {
 449     return true;
 450 }
 451
 452 void wxFont::SetUnderlined(bool underlined)
 453 {
 454 }
 455
 456 void wxFont::SetEncoding(wxFontEncoding encoding)
 457 {
 458 }
 459
 460 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 461 {
 462 }
 463
 464 // ----------------------------------------------------------------------------
 465 // accessors
 466 // ----------------------------------------------------------------------------
 467
 468 int wxFont::GetPointSize() const
 469 {
 470     return 0;
 471 }
 472
 473 wxSize wxFont::GetPixelSize() const
 474 {
 475     return wxSize(0,0);
 476 }
 477
 478 bool wxFont::IsUsingSizeInPixels() const
 479 {
 480     return false;
 481 }
 482
 483 int wxFont::GetFamily() const
 484 {
 485     return wxFONTFAMILY_ROMAN;
 486 }
 487
 488 int wxFont::GetStyle() const
 489 {
 490     return wxFONTSTYLE_NORMAL;
 491 }
 492
 493 int wxFont::GetWeight() const
 494 {
 495     return wxFONTWEIGHT_NORMAL;
 496 }
 497
 498 bool wxFont::GetUnderlined() const
 499 {
 500     return false;
 501 }
 502
 503 wxString wxFont::GetFaceName() const
 504 {
 505     return wxEmptyString;
 506 }
 507
 508 wxFontEncoding wxFont::GetEncoding() const
 509 {
 510     return wxFONTENCODING_SYSTEM;
 511 }
 512
 513 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 514 {
 515     return NULL;
 516 }
 517
 518 bool wxFont::IsFixedWidth() const
 519 {
 520     return false;
 521 }