src/os2/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/06/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 // ============================================================================
  16 // declarations
  17 // ============================================================================
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22
  23 #include "wx/font.h"
  24
  25 #ifndef WX_PRECOMP
  26     #include <stdio.h>
  27     #include "wx/list.h"
  28     #include "wx/utils.h"
  29     #include "wx/app.h"
  30     #include "wx/log.h"
  31 #endif // WX_PRECOMP
  32
  33 #include "wx/os2/private.h"
  34
  35 #include "wx/fontutil.h"
  36 #include "wx/fontmap.h"
  37 #include "wx/encinfo.h"
  38
  39 #include "wx/tokenzr.h"
  40
  41 #include <malloc.h>
  42
  43 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  44
  45 // ----------------------------------------------------------------------------
  46 // wxFontRefData - the internal description of the font
  47 // ----------------------------------------------------------------------------
  48
  49 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
  50 {
  51 public:
  52     wxFontRefData()
  53     {
  54         Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false,
  55              wxEmptyString, wxFONTENCODING_DEFAULT);
  56     }
  57
  58     wxFontRefData( int             nSize
  59                   ,wxFontFamily    nFamily
  60                   ,wxFontStyle     nStyle
  61                   ,wxFontWeight    nWeight
  62                   ,bool            bUnderlined
  63                   ,const wxString& sFaceName
  64                   ,wxFontEncoding  vEncoding
  65                  )
  66     {
  67         Init( nSize
  68              ,nFamily
  69              ,nStyle
  70              ,nWeight
  71              ,bUnderlined
  72              ,sFaceName
  73              ,vEncoding
  74             );
  75     }
  76
  77     wxFontRefData( const wxNativeFontInfo& rInfo
  78                   ,WXHFONT                 hFont = 0
  79                   ,WXHANDLE                hPS   = 0
  80                  )
  81     {
  82         Init( rInfo
  83              ,hFont
  84              ,hPS
  85             );
  86     }
  87
  88     wxFontRefData(const wxFontRefData& rData)
  89     {
  90         Init( rData.m_nPointSize
  91              ,rData.m_nFamily
  92              ,rData.m_nStyle
  93              ,rData.m_nWeight
  94              ,rData.m_bUnderlined
  95              ,rData.m_sFaceName
  96              ,rData.m_vEncoding
  97             );
  98         m_nFontId = rData.m_nFontId;
  99     }
 100
 101     virtual ~wxFontRefData();
 102
 103     //
 104     // Operations
 105     //
 106     bool Alloc(wxFont* pFont);
 107     void Free(void);
 108
 109     //
 110     // All wxFont accessors
 111     //
 112     inline int GetPointSize(void) const
 113     {
 114         //
 115         // We don't use the actual native font point size since it is
 116         // the chosen physical font, which is usually only and approximation
 117         // of the desired outline font.  The actual displayable point size
 118         // is the one stored in the refData
 119         //
 120         return m_nPointSize;
 121     }
 122
 123     inline wxFontFamily GetFamily(void) const
 124     {
 125         return m_nFamily;
 126     }
 127
 128     inline wxFontStyle GetStyle(void) const
 129     {
 130         return m_bNativeFontInfoOk ? m_vNativeFontInfo.GetStyle()
 131                                    : m_nStyle;
 132     }
 133
 134     inline wxFontWeight GetWeight(void) const
 135     {
 136         return m_bNativeFontInfoOk ? m_vNativeFontInfo.GetWeight()
 137                                    : m_nWeight;
 138     }
 139
 140     inline bool GetUnderlined(void) const
 141     {
 142         return m_bNativeFontInfoOk ? m_vNativeFontInfo.GetUnderlined()
 143                                    : m_bUnderlined;
 144     }
 145
 146     inline wxString GetFaceName(void) const
 147     {
 148         wxString                    sFaceName;
 149
 150         if (m_bNativeFontInfoOk)
 151             sFaceName = m_vNativeFontInfo.GetFaceName();
 152         else
 153             sFaceName = m_sFaceName;
 154
 155         return sFaceName;
 156     }
 157
 158     inline wxFontEncoding GetEncoding(void) const
 159     {
 160         return m_bNativeFontInfoOk ? m_vNativeFontInfo.GetEncoding()
 161                                    : m_vEncoding;
 162     }
 163
 164     inline WXHFONT      GetHFONT(void) const { return m_hFont; }
 165     inline HPS          GetPS(void) const { return m_hPS; }
 166     inline PFONTMETRICS GetFM(void) const { return m_pFM; }
 167     inline int          GetNumFonts(void) const { return m_nNumFonts; }
 168
 169     // ... and setters
 170     inline void SetPointSize(int nPointSize)
 171     {
 172         if (m_bNativeFontInfoOk)
 173             m_vNativeFontInfo.SetPointSize(nPointSize);
 174         else
 175             m_nPointSize = nPointSize;
 176     }
 177
 178     inline void SetFamily(wxFontFamily nFamily)
 179     {
 180         m_nFamily = nFamily;
 181     }
 182
 183     inline void SetStyle(wxFontStyle nStyle)
 184     {
 185         if (m_bNativeFontInfoOk)
 186             m_vNativeFontInfo.SetStyle(nStyle);
 187         else
 188             m_nStyle = nStyle;
 189     }
 190
 191     inline void SetWeight(wxFontWeight nWeight)
 192     {
 193         if (m_bNativeFontInfoOk)
 194             m_vNativeFontInfo.SetWeight(nWeight);
 195         else
 196             m_nWeight = nWeight;
 197     }
 198
 199     inline bool SetFaceName(const wxString& sFaceName)
 200     {
 201         if (m_bNativeFontInfoOk)
 202             return m_vNativeFontInfo.SetFaceName(sFaceName);
 203         else
 204             m_sFaceName = sFaceName;
 205         return true;
 206     }
 207
 208     inline void SetUnderlined(bool bUnderlined)
 209     {
 210         if (m_bNativeFontInfoOk)
 211             m_vNativeFontInfo.SetUnderlined(bUnderlined);
 212         else
 213             m_bUnderlined = bUnderlined;
 214     }
 215
 216     inline void SetEncoding(wxFontEncoding vEncoding)
 217     {
 218         if (m_bNativeFontInfoOk)
 219             m_vNativeFontInfo.SetEncoding(vEncoding);
 220         else
 221             m_vEncoding = vEncoding;
 222     }
 223
 224     inline void SetPS(HPS hPS)
 225     {
 226         m_hPS = hPS;
 227     }
 228
 229     inline void SetFM(PFONTMETRICS pFM)
 230     {
 231         m_pFM = pFM;
 232     }
 233
 234     inline void SetNumFonts(int nNumFonts)
 235     {
 236         m_nNumFonts = nNumFonts;
 237     }
 238
 239     //
 240     // Native font info tests
 241     //
 242     bool HasNativeFontInfo() const { return m_bNativeFontInfoOk; }
 243
 244     const wxNativeFontInfo& GetNativeFontInfo() const
 245         { return m_vNativeFontInfo; }
 246
 247 protected:
 248     //
 249     // Common part of all ctors
 250     //
 251     void Init( int             nSize
 252               ,wxFontFamily    nFamily
 253               ,wxFontStyle     nStyle
 254               ,wxFontWeight    nWeight
 255               ,bool            bUnderlined
 256               ,const wxString& rsFaceName
 257               ,wxFontEncoding  vEncoding
 258              );
 259
 260     void Init( const wxNativeFontInfo& rInfo
 261               ,WXHFONT                 hFont = 0
 262               ,WXHANDLE                hPS   = 0
 263              );
 264     //
 265     // If true, the pointer to the actual font is temporary and SHOULD NOT BE
 266     // DELETED by destructor
 267     //
 268     bool                            m_bTemporary;
 269     int                             m_nFontId;
 270
 271     //
 272     // Font characterstics
 273     //
 274     int                             m_nPointSize;
 275     wxFontFamily                    m_nFamily;
 276     wxFontStyle                     m_nStyle;
 277     wxFontWeight                    m_nWeight;
 278     bool                            m_bUnderlined;
 279     wxString                        m_sFaceName;
 280     wxFontEncoding                  m_vEncoding;
 281     WXHFONT                         m_hFont;
 282
 283     //
 284     // Native font info
 285     //
 286     wxNativeFontInfo                m_vNativeFontInfo;
 287     bool                            m_bNativeFontInfoOk;
 288
 289     //
 290     // Some PM specific stuff
 291     //
 292     PFONTMETRICS                    m_pFM;         // array of FONTMETRICS structs
 293     int                             m_nNumFonts;   // number of fonts in array
 294     HPS                             m_hPS;         // PS handle this font belongs to
 295     FATTRS                          m_vFattrs;     // Current fattrs struct
 296     FACENAMEDESC                    m_vFname;      // Current facename struct
 297     bool                            m_bInternalPS; // Internally generated PS?
 298 }; // end of CLASS wxFontRefData
 299
 300 #define M_FONTDATA ((wxFontRefData*)m_refData)
 301
 302 // ============================================================================
 303 // implementation
 304 // ============================================================================
 305
 306 // ----------------------------------------------------------------------------
 307 // wxFontRefData
 308 // ----------------------------------------------------------------------------
 309
 310 void wxFontRefData::Init(
 311   int                               nPointSize
 312 , wxFontFamily                      nFamily
 313 , wxFontStyle                       nStyle
 314 , wxFontWeight                      nWeight
 315 , bool                              bUnderlined
 316 , const wxString&                   rsFaceName
 317 , wxFontEncoding                    vEncoding
 318 )
 319 {
 320     m_nStyle      = nStyle;
 321     m_nPointSize  = nPointSize;
 322     m_nFamily     = nFamily;
 323     m_nStyle      = nStyle;
 324     m_nWeight     = nWeight;
 325     m_bUnderlined = bUnderlined;
 326     m_sFaceName   = rsFaceName;
 327     m_vEncoding   = vEncoding;
 328     m_hFont       = 0;
 329
 330     m_bNativeFontInfoOk = false;
 331
 332     m_nFontId     = 0;
 333     m_bTemporary  = false;
 334     m_pFM         = (PFONTMETRICS)NULL;
 335     m_hPS         = NULLHANDLE;
 336     m_nNumFonts   = 0;
 337 } // end of wxFontRefData::Init
 338
 339 void wxFontRefData::Init(
 340   const wxNativeFontInfo&           rInfo
 341 , WXHFONT                           hFont //this is the FontId -- functions as the hFont for OS/2
 342 , WXHANDLE                          hPS   // Presentation Space we are using
 343 )
 344 {
 345     //
 346     // hFont may be zero, or it be passed in case we really want to
 347     // use the exact font created in the underlying system
 348     // (for example where we can't guarantee conversion from HFONT
 349     // to LOGFONT back to HFONT)
 350     //
 351     m_hFont = hFont;
 352     m_nFontId = (int)hFont;
 353
 354     m_bNativeFontInfoOk = true;
 355     m_vNativeFontInfo = rInfo;
 356
 357     if (hPS == NULLHANDLE)
 358     {
 359         m_hPS = ::WinGetPS(HWND_DESKTOP);
 360         m_bInternalPS = true;
 361     }
 362     else
 363         m_hPS = (HPS)hPS;
 364
 365     m_nFontId     = 0;
 366     m_bTemporary  = false;
 367     m_pFM         = (PFONTMETRICS)NULL;
 368     m_nNumFonts   = 0;
 369 } // end of wxFontRefData::Init
 370
 371 wxFontRefData::~wxFontRefData()
 372 {
 373     Free();
 374 }
 375
 376 bool wxFontRefData::Alloc( wxFont* pFont )
 377 {
 378     wxString                        sFaceName;
 379     long                            flId = m_hFont;
 380     long                            lRc;
 381     ERRORID                         vError;
 382     wxString                        sError;
 383
 384     if (!m_bNativeFontInfoOk)
 385     {
 386         wxFillLogFont( &m_vNativeFontInfo.fa
 387                       ,&m_vNativeFontInfo.fn
 388                       ,&m_hPS
 389                       ,&m_bInternalPS
 390                       ,&flId
 391                       ,sFaceName
 392                       ,pFont
 393                      );
 394         m_bNativeFontInfoOk = true;
 395     }
 396     else
 397     {
 398         if (flId == 0L)
 399             flId = 1L;
 400         else
 401             flId++;
 402         if (flId > 254)
 403             flId = 1L;
 404     }
 405     if((lRc = ::GpiCreateLogFont( m_hPS
 406                                  ,NULL
 407                                  ,flId
 408                                  ,&m_vNativeFontInfo.fa
 409                                 )) != GPI_ERROR)
 410     {
 411        m_hFont = (WXHFONT)flId;
 412        m_nFontId = flId;
 413     }
 414     if (!m_hFont)
 415     {
 416         vError = ::WinGetLastError(vHabmain);
 417         sError = wxPMErrorToStr(vError);
 418         wxLogLastError(wxT("CreateFont"));
 419     }
 420
 421     ::GpiSetCharSet(m_hPS, flId); // sets font for presentation space
 422     ::GpiQueryFontMetrics(m_hPS, sizeof(FONTMETRICS), &m_vNativeFontInfo.fm);
 423
 424     //
 425     // Set refData members with the results
 426     //
 427     memcpy(&m_vFattrs, &m_vNativeFontInfo.fa, sizeof(m_vFattrs));
 428     memcpy(&m_vFname, &m_vNativeFontInfo.fn, sizeof(m_vFname));
 429     //
 430     // Going to leave the point size alone.  Mostly we use outline fonts
 431     // that can be set to any point size inside of Presentation Parameters,
 432     // regardless of whether or not the actual font is registered in the system.
 433     // The GpiCreateLogFont will do enough by selecting the right family,
 434     // and face name.
 435     //
 436     if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Times New Roman") == 0)
 437         m_nFamily = wxFONTFAMILY_ROMAN;
 438     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Times New Roman MT 30") == 0)
 439         m_nFamily = wxFONTFAMILY_ROMAN;
 440     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "@Times New Roman MT 30") == 0)
 441         m_nFamily = wxFONTFAMILY_ROMAN;
 442     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Tms Rmn") == 0)
 443         m_nFamily = wxFONTFAMILY_ROMAN;
 444     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "WarpSans") == 0)
 445         m_nFamily = wxFONTFAMILY_DECORATIVE;
 446     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Helvetica") == 0)
 447         m_nFamily = wxFONTFAMILY_SWISS;
 448     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Helv") == 0)
 449         m_nFamily = wxFONTFAMILY_SWISS;
 450     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Script") == 0)
 451         m_nFamily = wxFONTFAMILY_SCRIPT;
 452     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Courier New") == 0)
 453         m_nFamily = wxFONTFAMILY_TELETYPE;
 454     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Courier") == 0)
 455         m_nFamily = wxFONTFAMILY_TELETYPE;
 456     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "System Monospaced") == 0)
 457         m_nFamily = wxFONTFAMILY_TELETYPE;
 458     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "System VIO") == 0)
 459         m_nFamily = wxFONTFAMILY_MODERN;
 460     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "System Proportional") == 0)
 461         m_nFamily = wxFONTFAMILY_MODERN;
 462     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Arial") == 0)
 463         m_nFamily = wxFONTFAMILY_SWISS;
 464     else if (strcmp(m_vNativeFontInfo.fm.szFamilyname, "Swiss") == 0)
 465         m_nFamily = wxFONTFAMILY_SWISS;
 466     else
 467         m_nFamily = wxFONTFAMILY_SWISS;
 468
 469     if (m_vNativeFontInfo.fa.fsSelection & FATTR_SEL_ITALIC)
 470         m_nStyle = wxFONTSTYLE_ITALIC;
 471     else
 472         m_nStyle = wxFONTSTYLE_NORMAL;
 473     switch(m_vNativeFontInfo.fn.usWeightClass)
 474     {
 475         case FWEIGHT_DONT_CARE:
 476             m_nWeight = wxFONTWEIGHT_NORMAL;
 477             break;
 478
 479         case FWEIGHT_NORMAL:
 480             m_nWeight = wxFONTWEIGHT_NORMAL;
 481             break;
 482
 483         case FWEIGHT_LIGHT:
 484             m_nWeight = wxFONTWEIGHT_LIGHT;
 485             break;
 486
 487         case FWEIGHT_BOLD:
 488             m_nWeight = wxFONTWEIGHT_BOLD;
 489             break;
 490
 491         case FWEIGHT_ULTRA_BOLD:
 492             m_nWeight = wxFONTWEIGHT_MAX;
 493             break;
 494
 495         default:
 496             m_nWeight = wxFONTWEIGHT_NORMAL;
 497     }
 498     m_bUnderlined = ((m_vNativeFontInfo.fa.fsSelection & FATTR_SEL_UNDERSCORE) != 0);
 499     m_sFaceName = (wxChar*)m_vNativeFontInfo.fa.szFacename;
 500     m_vEncoding = wxGetFontEncFromCharSet(m_vNativeFontInfo.fa.usCodePage);
 501
 502     //
 503     // We don't actuall keep the font around if using a temporary PS
 504     //
 505     if (m_bInternalPS)
 506     {
 507         if(m_hFont)
 508             ::GpiDeleteSetId( m_hPS
 509                              ,flId
 510                             );
 511
 512         ::WinReleasePS(m_hPS);
 513     }
 514     else
 515         //
 516         // Select the font into the Presentation space
 517         //
 518         ::GpiSetCharSet(m_hPS, flId); // sets font for presentation space
 519     return true;
 520 } // end of wxFontRefData::Alloc
 521
 522 void wxFontRefData::Free()
 523 {
 524     if (m_pFM)
 525         delete [] m_pFM;
 526     m_pFM = (PFONTMETRICS)NULL;
 527
 528     if ( m_hFont )
 529     {
 530         ::GpiDeleteSetId(m_hPS, 1L); /* delete the logical font          */
 531         m_nFontId = 0;
 532         m_hFont   = 0;
 533     }
 534     if (m_bInternalPS)
 535         ::WinReleasePS(m_hPS);
 536     m_hPS = NULLHANDLE;
 537 } // end of wxFontRefData::Free
 538
 539 // ----------------------------------------------------------------------------
 540 // wxNativeFontInfo
 541 // ----------------------------------------------------------------------------
 542
 543 void wxNativeFontInfo::Init()
 544 {
 545     memset(&fa, '\0', sizeof(FATTRS));
 546 } // end of wxNativeFontInfo::Init
 547
 548 int wxNativeFontInfo::GetPointSize() const
 549 {
 550     return fm.lEmHeight;
 551 } // end of wxNativeFontInfo::GetPointSize
 552
 553 wxFontStyle wxNativeFontInfo::GetStyle() const
 554 {
 555     return fa.fsSelection & FATTR_SEL_ITALIC ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 556 } // end of wxNativeFontInfo::GetStyle
 557
 558 wxFontWeight wxNativeFontInfo::GetWeight() const
 559 {
 560     switch(fn.usWeightClass)
 561     {
 562         case FWEIGHT_DONT_CARE:
 563             return wxFONTWEIGHT_NORMAL;
 564
 565         case FWEIGHT_NORMAL:
 566             return wxFONTWEIGHT_NORMAL;
 567
 568         case FWEIGHT_LIGHT:
 569             return wxFONTWEIGHT_LIGHT;
 570
 571         case FWEIGHT_BOLD:
 572             return wxFONTWEIGHT_BOLD;
 573
 574         case FWEIGHT_ULTRA_BOLD:
 575             return wxFONTWEIGHT_MAX;
 576     }
 577     return wxFONTWEIGHT_NORMAL;
 578 } // end of wxNativeFontInfo::GetWeight
 579
 580 bool wxNativeFontInfo::GetUnderlined() const
 581 {
 582     return ((fa.fsSelection & FATTR_SEL_UNDERSCORE) != 0);
 583 } // end of wxNativeFontInfo::GetUnderlined
 584
 585 wxString wxNativeFontInfo::GetFaceName() const
 586 {
 587     return (wxChar*)fm.szFacename;
 588 } // end of wxNativeFontInfo::GetFaceName
 589
 590 wxFontFamily wxNativeFontInfo::GetFamily() const
 591 {
 592     int                             nFamily;
 593
 594     //
 595     // Extract family from facename
 596     //
 597     if (strcmp(fm.szFamilyname, "Times New Roman") == 0)
 598         nFamily = wxFONTFAMILY_ROMAN;
 599     else if (strcmp(fm.szFamilyname, "Times New Roman MT 30") == 0)
 600         nFamily = wxFONTFAMILY_ROMAN;
 601     else if (strcmp(fm.szFamilyname, "@Times New Roman MT 30") == 0)
 602         nFamily = wxFONTFAMILY_ROMAN;
 603     else if (strcmp(fm.szFamilyname, "Tms Rmn") == 0)
 604         nFamily = wxFONTFAMILY_ROMAN;
 605     else if (strcmp(fm.szFamilyname, "WarpSans") == 0)
 606         nFamily = wxFONTFAMILY_DECORATIVE;
 607     else if (strcmp(fm.szFamilyname, "Helvetica") == 0)
 608         nFamily = wxFONTFAMILY_SWISS;
 609     else if (strcmp(fm.szFamilyname, "Helv") == 0)
 610         nFamily = wxFONTFAMILY_SWISS;
 611     else if (strcmp(fm.szFamilyname, "Script") == 0)
 612         nFamily = wxFONTFAMILY_SCRIPT;
 613     else if (strcmp(fm.szFamilyname, "Courier New") == 0)
 614         nFamily = wxFONTFAMILY_TELETYPE;
 615     else if (strcmp(fm.szFamilyname, "Courier") == 0)
 616         nFamily = wxFONTFAMILY_TELETYPE;
 617     else if (strcmp(fm.szFamilyname, "System Monospaced") == 0)
 618         nFamily = wxFONTFAMILY_TELETYPE;
 619     else if (strcmp(fm.szFamilyname, "System VIO") == 0)
 620         nFamily = wxFONTFAMILY_MODERN;
 621     else if (strcmp(fm.szFamilyname, "System Proportional") == 0)
 622         nFamily = wxFONTFAMILY_MODERN;
 623     else if (strcmp(fm.szFamilyname, "Arial") == 0)
 624         nFamily = wxFONTFAMILY_SWISS;
 625     else if (strcmp(fm.szFamilyname, "Swiss") == 0)
 626         nFamily = wxFONTFAMILY_SWISS;
 627     else
 628         nFamily = wxFONTFAMILY_SWISS;
 629     return (wxFontFamily)nFamily;
 630 } // end of wxNativeFontInfo::GetFamily
 631
 632 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 633 {
 634     return wxGetFontEncFromCharSet(fa.usCodePage);
 635 } // end of wxNativeFontInfo::GetEncoding
 636
 637 void wxNativeFontInfo::SetPointSize(
 638   int                               nPointsize
 639 )
 640 {
 641     fm.lEmHeight = (LONG)nPointsize;
 642 } // end of wxNativeFontInfo::SetPointSize
 643
 644 void wxNativeFontInfo::SetStyle(
 645   wxFontStyle                       eStyle
 646 )
 647 {
 648     switch (eStyle)
 649     {
 650         default:
 651             wxFAIL_MSG( _T("unknown font style") );
 652             // fall through
 653
 654         case wxFONTSTYLE_NORMAL:
 655             break;
 656
 657         case wxFONTSTYLE_ITALIC:
 658         case wxFONTSTYLE_SLANT:
 659             fa.fsSelection |= FATTR_SEL_ITALIC;
 660             break;
 661     }
 662 } // end of wxNativeFontInfo::SetStyle
 663
 664 void wxNativeFontInfo::SetWeight(
 665   wxFontWeight                      eWeight
 666 )
 667 {
 668     switch (eWeight)
 669     {
 670         default:
 671             wxFAIL_MSG( _T("unknown font weight") );
 672             // fall through
 673
 674         case wxFONTWEIGHT_NORMAL:
 675             fn.usWeightClass = FWEIGHT_NORMAL;
 676             break;
 677
 678         case wxFONTWEIGHT_LIGHT:
 679             fn.usWeightClass = FWEIGHT_LIGHT;
 680             break;
 681
 682         case wxFONTWEIGHT_BOLD:
 683             fn.usWeightClass = FWEIGHT_BOLD;
 684             break;
 685     }
 686 } // end of wxNativeFontInfo::SetWeight
 687
 688 void wxNativeFontInfo::SetUnderlined(
 689   bool                              bUnderlined
 690 )
 691 {
 692     if(bUnderlined)
 693         fa.fsSelection |= FATTR_SEL_UNDERSCORE;
 694 } // end of wxNativeFontInfo::SetUnderlined
 695
 696 bool wxNativeFontInfo::SetFaceName(
 697   const wxString&                   sFacename
 698 )
 699 {
 700     wxStrlcpy((wxChar*)fa.szFacename, sFacename, WXSIZEOF(fa.szFacename));
 701     return true;
 702 } // end of wxNativeFontInfo::SetFaceName
 703
 704 void wxNativeFontInfo::SetFamily(
 705   wxFontFamily                      eFamily
 706 )
 707 {
 708     wxString                        sFacename;
 709
 710     switch (eFamily)
 711     {
 712         case wxFONTFAMILY_SCRIPT:
 713             sFacename = wxT("Tms Rmn");
 714             break;
 715
 716         case wxFONTFAMILY_DECORATIVE:
 717             sFacename = wxT("WarpSans");
 718             break;
 719
 720         case wxFONTFAMILY_ROMAN:
 721             sFacename = wxT("Tms Rmn");
 722             break;
 723
 724         case wxFONTFAMILY_TELETYPE:
 725             sFacename = wxT("Courier") ;
 726             break;
 727
 728         case wxFONTFAMILY_MODERN:
 729             sFacename = wxT("System VIO") ;
 730             break;
 731
 732         case wxFONTFAMILY_SWISS:
 733             sFacename = wxT("Helv") ;
 734             break;
 735
 736         case wxFONTFAMILY_DEFAULT:
 737         default:
 738             sFacename = wxT("System VIO") ;
 739     }
 740
 741     if (!wxStrlen((wxChar*)fa.szFacename) )
 742     {
 743         SetFaceName(sFacename);
 744     }
 745 } // end of wxNativeFontInfo::SetFamily
 746
 747 void wxNativeFontInfo::SetEncoding( wxFontEncoding eEncoding )
 748 {
 749     wxNativeEncodingInfo            vInfo;
 750
 751     if ( !wxGetNativeFontEncoding( eEncoding
 752                                   ,&vInfo
 753                                  ))
 754     {
 755         if (wxFontMapper::Get()->GetAltForEncoding( eEncoding
 756                                                ,&vInfo
 757                                               ))
 758         {
 759             if (!vInfo.facename.empty())
 760             {
 761                 //
 762                 // If we have this encoding only in some particular facename, use
 763                 // the facename - it is better to show the correct characters in a
 764                 // wrong facename than unreadable text in a correct one
 765                 //
 766                 SetFaceName(vInfo.facename);
 767             }
 768         }
 769         else
 770         {
 771             // unsupported encoding, replace with the default
 772             vInfo.charset = 850;
 773         }
 774     }
 775     fa.usCodePage = (USHORT)vInfo.charset;
 776 } // end of wxNativeFontInfo::SetFaceName
 777
 778 bool wxNativeFontInfo::FromString( const wxString& rsStr )
 779 {
 780     long                            lVal;
 781
 782     wxStringTokenizer               vTokenizer(rsStr, _T(";"));
 783
 784     //
 785     // First the version
 786     //
 787     wxString                        sToken = vTokenizer.GetNextToken();
 788
 789     if (sToken != _T('0'))
 790         return false;
 791
 792     sToken = vTokenizer.GetNextToken();
 793     if (!sToken.ToLong(&lVal))
 794         return false;
 795     fm.lEmHeight = lVal;
 796
 797     sToken = vTokenizer.GetNextToken();
 798     if (!sToken.ToLong(&lVal))
 799         return false;
 800     fa.lAveCharWidth = lVal;
 801
 802     sToken = vTokenizer.GetNextToken();
 803     if (!sToken.ToLong(&lVal))
 804         return false;
 805     fa.fsSelection = (USHORT)lVal;
 806
 807     sToken = vTokenizer.GetNextToken();
 808     if (!sToken.ToLong(&lVal))
 809         return false;
 810     fa.fsType = (USHORT)lVal;
 811
 812     sToken = vTokenizer.GetNextToken();
 813     if (!sToken.ToLong(&lVal))
 814         return false;
 815     fa.fsFontUse = (USHORT)lVal;
 816
 817     sToken = vTokenizer.GetNextToken();
 818     if (!sToken.ToLong(&lVal))
 819         return false;
 820     fa.idRegistry = (USHORT)lVal;
 821
 822     sToken = vTokenizer.GetNextToken();
 823     if (!sToken.ToLong(&lVal))
 824         return false;
 825     fa.usCodePage = (USHORT)lVal;
 826
 827     sToken = vTokenizer.GetNextToken();
 828     if (!sToken.ToLong(&lVal))
 829         return false;
 830     fa.lMatch = lVal;
 831
 832     sToken = vTokenizer.GetNextToken();
 833     if (!sToken.ToLong(&lVal))
 834         return false;
 835     fn.usWeightClass = (USHORT)lVal;
 836
 837     sToken = vTokenizer.GetNextToken();
 838     if(!sToken)
 839         return false;
 840     wxStrcpy((wxChar*)fa.szFacename, sToken.c_str());
 841     return true;
 842 } // end of wxNativeFontInfo::FromString
 843
 844 wxString wxNativeFontInfo::ToString() const
 845 {
 846     wxString sStr;
 847
 848     sStr.Printf(_T("%d;%ld;%ld;%ld;%d;%d;%d;%d;%d;%ld;%d;%s"),
 849                 0, // version, in case we want to change the format later
 850                 fm.lEmHeight,
 851                 fa.lAveCharWidth,
 852                 fa.lMaxBaselineExt,
 853                 fa.fsSelection,
 854                 fa.fsType,
 855                 fa.fsFontUse,
 856                 fa.idRegistry,
 857                 fa.usCodePage,
 858                 fa.lMatch,
 859                 fn.usWeightClass,
 860                 (char *)fa.szFacename);
 861     return sStr;
 862 } // end of wxNativeFontInfo::ToString
 863
 864 // ----------------------------------------------------------------------------
 865 // wxFont
 866 // ----------------------------------------------------------------------------
 867
 868 bool wxFont::Create( const wxNativeFontInfo& rInfo,
 869                      WXHFONT hFont )
 870 {
 871     UnRef();
 872     m_refData = new wxFontRefData( rInfo
 873                                   ,hFont
 874                                  );
 875     RealizeResource();
 876     return true;
 877 } // end of wxFont::Create
 878
 879 wxFont::wxFont(
 880   const wxString&                   rsFontdesc
 881 )
 882 {
 883     wxNativeFontInfo                vInfo;
 884
 885     if (vInfo.FromString(rsFontdesc))
 886         (void)Create(vInfo);
 887 } // end of wxFont::wxFont
 888
 889 // ----------------------------------------------------------------------------
 890 // Constructor for a font. Note that the real construction is done
 891 // in wxDC::SetFont, when information is available about scaling etc.
 892 // ----------------------------------------------------------------------------
 893 bool wxFont::Create( int             nPointSize,
 894                      wxFontFamily nFamily,
 895                      wxFontStyle nStyle,
 896                      wxFontWeight nWeight,
 897                      bool            bUnderlined,
 898                      const wxString& rsFaceName,
 899                      wxFontEncoding  vEncoding )
 900 {
 901     UnRef();
 902
 903     //
 904     // wxDEFAULT is a valid value for the font size too so we must treat it
 905     // specially here (otherwise the size would be 70 == wxDEFAULT value)
 906     //
 907     if (nPointSize == wxDEFAULT)
 908     {
 909         nPointSize = wxNORMAL_FONT->GetPointSize();
 910     }
 911     m_refData = new wxFontRefData( nPointSize
 912                                   ,nFamily
 913                                   ,nStyle
 914                                   ,nWeight
 915                                   ,bUnderlined
 916                                   ,rsFaceName
 917                                   ,vEncoding
 918                                  );
 919     RealizeResource();
 920     return true;
 921 } // end of wxFont::Create
 922
 923 wxFont::~wxFont()
 924 {
 925 } // end of wxFont::~wxFont
 926
 927 // ----------------------------------------------------------------------------
 928 // real implementation
 929 // Boris' Kovalenko comments:
 930 //   Because OS/2 fonts are associated with PS we can not create the font
 931 //   here, but we may check that font definition is true
 932 // ----------------------------------------------------------------------------
 933
 934 wxGDIRefData *wxFont::CreateGDIRefData() const
 935 {
 936     return new wxFontRefData();
 937 }
 938
 939 wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
 940 {
 941     return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
 942 }
 943
 944 bool wxFont::RealizeResource()
 945 {
 946     if ( GetResourceHandle() )
 947     {
 948         return true;
 949     }
 950     return M_FONTDATA->Alloc(this);
 951 } // end of wxFont::RealizeResource
 952
 953 bool wxFont::FreeResource( bool WXUNUSED(bForce) )
 954 {
 955     if (GetResourceHandle())
 956     {
 957         M_FONTDATA->Free();
 958         return true;
 959     }
 960     return false;
 961 } // end of wxFont::FreeResource
 962
 963 WXHANDLE wxFont::GetResourceHandle() const
 964 {
 965     return GetHFONT();
 966 } // end of wxFont::GetResourceHandle
 967
 968 WXHFONT wxFont::GetHFONT() const
 969 {
 970     return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
 971 } // end of wxFont::GetHFONT
 972
 973 bool wxFont::IsFree() const
 974 {
 975     return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
 976 } // end of wxFont::IsFree
 977
 978 // ----------------------------------------------------------------------------
 979 // change font attribute: we recreate font when doing it
 980 // ----------------------------------------------------------------------------
 981
 982 void wxFont::SetPointSize(
 983   int                               nPointSize
 984 )
 985 {
 986     AllocExclusive();
 987
 988     M_FONTDATA->SetPointSize(nPointSize);
 989
 990     RealizeResource();
 991 } // end of wxFont::SetPointSize
 992
 993 void wxFont::SetFamily(
 994   wxFontFamily                      nFamily
 995 )
 996 {
 997     AllocExclusive();
 998
 999     M_FONTDATA->SetFamily(nFamily);
1000
1001     RealizeResource();
1002 } // end of wxFont::SetFamily
1003
1004 void wxFont::SetStyle(
1005   wxFontStyle                       nStyle
1006 )
1007 {
1008     AllocExclusive();
1009
1010     M_FONTDATA->SetStyle(nStyle);
1011
1012     RealizeResource();
1013 } // end of wxFont::SetStyle
1014
1015 void wxFont::SetWeight(
1016   wxFontWeight                      nWeight
1017 )
1018 {
1019     AllocExclusive();
1020
1021     M_FONTDATA->SetWeight(nWeight);
1022
1023     RealizeResource();
1024 } // end of wxFont::SetWeight
1025
1026 bool wxFont::SetFaceName(
1027   const wxString&                   rsFaceName
1028 )
1029 {
1030     AllocExclusive();
1031
1032     bool refdataok = M_FONTDATA->SetFaceName(rsFaceName);
1033
1034     RealizeResource();
1035
1036     return refdataok && wxFontBase::SetFaceName(rsFaceName);
1037 } // end of wxFont::SetFaceName
1038
1039 void wxFont::SetUnderlined(
1040   bool                              bUnderlined
1041 )
1042 {
1043     AllocExclusive();
1044
1045     M_FONTDATA->SetUnderlined(bUnderlined);
1046
1047     RealizeResource();
1048 } // end of wxFont::SetUnderlined
1049
1050 void wxFont::SetEncoding(
1051   wxFontEncoding                    vEncoding
1052 )
1053 {
1054     AllocExclusive();
1055
1056     M_FONTDATA->SetEncoding(vEncoding);
1057
1058     RealizeResource();
1059 } // end of wxFont::SetEncoding
1060
1061 void wxFont::DoSetNativeFontInfo(
1062   const wxNativeFontInfo&           rInfo
1063 )
1064 {
1065     AllocExclusive();
1066
1067     FreeResource();
1068
1069     *M_FONTDATA = wxFontRefData(rInfo);
1070
1071     RealizeResource();
1072 }
1073
1074 // ----------------------------------------------------------------------------
1075 // accessors
1076 // ----------------------------------------------------------------------------
1077
1078 int wxFont::GetPointSize() const
1079 {
1080     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1081
1082     return M_FONTDATA->GetPointSize();
1083 } // end of wxFont::GetPointSize
1084
1085 wxFontFamily wxFont::GetFamily() const
1086 {
1087     wxCHECK_MSG( Ok(), wxFONTFAMILY_MAX, wxT("invalid font") );
1088
1089     return M_FONTDATA->GetFamily();
1090 } // end of wxFont::GetFamily
1091
1092 wxFontStyle wxFont::GetStyle() const
1093 {
1094     wxCHECK_MSG( Ok(), wxFONTSTYLE_MAX, wxT("invalid font") );
1095
1096     return M_FONTDATA->GetStyle();
1097 } // end of wxFont::GetStyle
1098
1099 wxFontWeight wxFont::GetWeight() const
1100 {
1101     wxCHECK_MSG( Ok(), wxFONTWEIGHT_MAX, wxT("invalid font") );
1102
1103     return M_FONTDATA->GetWeight();
1104 }
1105
1106 bool wxFont::GetUnderlined() const
1107 {
1108     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
1109
1110     return M_FONTDATA->GetUnderlined();
1111 } // end of wxFont::GetUnderlined
1112
1113 wxString wxFont::GetFaceName() const
1114 {
1115     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
1116
1117     return M_FONTDATA->GetFaceName();
1118 } // end of wxFont::GetFaceName
1119
1120 wxFontEncoding wxFont::GetEncoding() const
1121 {
1122     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
1123
1124     return M_FONTDATA->GetEncoding();
1125 } // end of wxFont::GetEncoding
1126
1127 const wxNativeFontInfo* wxFont::GetNativeFontInfo() const
1128 {
1129     return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
1130                                            : NULL;
1131 } // end of wxFont::GetNativeFontInfo
1132
1133 //
1134 // Internal use only method to set the FONTMETRICS array
1135 //
1136 void wxFont::SetFM( PFONTMETRICS pFM, int nNumFonts )
1137 {
1138     M_FONTDATA->SetFM(pFM);
1139     M_FONTDATA->SetNumFonts(nNumFonts);
1140 } // end of wxFont::SetFM
1141
1142
1143 void wxFont::SetPS( HPS hPS )
1144 {
1145     AllocExclusive();
1146
1147     M_FONTDATA->SetPS(hPS);
1148
1149     RealizeResource();
1150 } // end of wxFont::SetPS