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