| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: 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 | // ============================================================================ |
| 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 | #ifndef WX_PRECOMP |
| 24 | #include <stdio.h> |
| 25 | #include "wx/setup.h" |
| 26 | #include "wx/list.h" |
| 27 | #include "wx/utils.h" |
| 28 | #include "wx/app.h" |
| 29 | #include "wx/font.h" |
| 30 | #endif // WX_PRECOMP |
| 31 | |
| 32 | #include "wx/os2/private.h" |
| 33 | |
| 34 | IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) |
| 35 | |
| 36 | #if wxUSE_PORTABLE_FONTS_IN_MSW |
| 37 | IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject) |
| 38 | #endif |
| 39 | |
| 40 | // ---------------------------------------------------------------------------- |
| 41 | // wxFontRefData - the internal description of the font |
| 42 | // ---------------------------------------------------------------------------- |
| 43 | |
| 44 | class WXDLLEXPORT wxFontRefData: public wxGDIRefData |
| 45 | { |
| 46 | friend class WXDLLEXPORT wxFont; |
| 47 | |
| 48 | public: |
| 49 | wxFontRefData() |
| 50 | { |
| 51 | Init(12, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE, |
| 52 | "", wxFONTENCODING_DEFAULT); |
| 53 | } |
| 54 | |
| 55 | wxFontRefData(const wxFontRefData& data) |
| 56 | { |
| 57 | Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight, |
| 58 | data.m_underlined, data.m_faceName, data.m_encoding); |
| 59 | |
| 60 | m_fontId = data.m_fontId; |
| 61 | } |
| 62 | |
| 63 | wxFontRefData(int size, |
| 64 | int family, |
| 65 | int style, |
| 66 | int weight, |
| 67 | bool underlined, |
| 68 | const wxString& faceName, |
| 69 | wxFontEncoding encoding) |
| 70 | { |
| 71 | Init(size, family, style, weight, underlined, faceName, encoding); |
| 72 | } |
| 73 | |
| 74 | virtual ~wxFontRefData(); |
| 75 | |
| 76 | protected: |
| 77 | // common part of all ctors |
| 78 | void Init(int size, |
| 79 | int family, |
| 80 | int style, |
| 81 | int weight, |
| 82 | bool underlined, |
| 83 | const wxString& faceName, |
| 84 | wxFontEncoding encoding); |
| 85 | |
| 86 | // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE |
| 87 | // DELETED by destructor |
| 88 | bool m_temporary; |
| 89 | |
| 90 | int m_fontId; |
| 91 | |
| 92 | // font characterstics |
| 93 | int m_pointSize; |
| 94 | int m_family; |
| 95 | int m_style; |
| 96 | int m_weight; |
| 97 | bool m_underlined; |
| 98 | wxString m_faceName; |
| 99 | wxFontEncoding m_encoding; |
| 100 | |
| 101 | // Windows font handle |
| 102 | WXHFONT m_hFont; |
| 103 | }; |
| 104 | |
| 105 | // ============================================================================ |
| 106 | // implementation |
| 107 | // ============================================================================ |
| 108 | |
| 109 | // ---------------------------------------------------------------------------- |
| 110 | // wxFontRefData |
| 111 | // ---------------------------------------------------------------------------- |
| 112 | |
| 113 | void wxFontRefData::Init(int pointSize, |
| 114 | int family, |
| 115 | int style, |
| 116 | int weight, |
| 117 | bool underlined, |
| 118 | const wxString& faceName, |
| 119 | wxFontEncoding encoding) |
| 120 | { |
| 121 | m_style = style; |
| 122 | m_pointSize = pointSize; |
| 123 | m_family = family; |
| 124 | m_style = style; |
| 125 | m_weight = weight; |
| 126 | m_underlined = underlined; |
| 127 | m_faceName = faceName; |
| 128 | m_encoding = encoding; |
| 129 | |
| 130 | m_fontId = 0; |
| 131 | m_temporary = FALSE; |
| 132 | |
| 133 | m_hFont = 0; |
| 134 | } |
| 135 | |
| 136 | wxFontRefData::~wxFontRefData() |
| 137 | { |
| 138 | // TODO: |
| 139 | // if ( m_hFont ) |
| 140 | // { |
| 141 | // if ( !::DeleteObject((HFONT) m_hFont) ) |
| 142 | // { |
| 143 | // wxLogLastError("DeleteObject(font)"); |
| 144 | // } |
| 145 | // } |
| 146 | } |
| 147 | |
| 148 | // ---------------------------------------------------------------------------- |
| 149 | // wxFont |
| 150 | // ---------------------------------------------------------------------------- |
| 151 | |
| 152 | void wxFont::Init() |
| 153 | { |
| 154 | if ( wxTheFontList ) |
| 155 | wxTheFontList->Append(this); |
| 156 | } |
| 157 | |
| 158 | /* Constructor for a font. Note that the real construction is done |
| 159 | * in wxDC::SetFont, when information is available about scaling etc. |
| 160 | */ |
| 161 | bool wxFont::Create(int pointSize, |
| 162 | int family, |
| 163 | int style, |
| 164 | int weight, |
| 165 | bool underlined, |
| 166 | const wxString& faceName, |
| 167 | wxFontEncoding encoding) |
| 168 | { |
| 169 | UnRef(); |
| 170 | m_refData = new wxFontRefData(pointSize, family, style, weight, |
| 171 | underlined, faceName, encoding); |
| 172 | |
| 173 | RealizeResource(); |
| 174 | |
| 175 | return TRUE; |
| 176 | } |
| 177 | |
| 178 | wxFont::~wxFont() |
| 179 | { |
| 180 | if ( wxTheFontList ) |
| 181 | wxTheFontList->DeleteObject(this); |
| 182 | } |
| 183 | |
| 184 | // ---------------------------------------------------------------------------- |
| 185 | // real implementation |
| 186 | // Boris' Kovalenko comments: |
| 187 | // Because OS/2 fonts are associated with PS we can not create the font |
| 188 | // here, but we may check that font definition is true |
| 189 | // ---------------------------------------------------------------------------- |
| 190 | |
| 191 | bool wxFont::RealizeResource() |
| 192 | { |
| 193 | if ( GetResourceHandle() ) |
| 194 | { |
| 195 | // VZ: the old code returned FALSE in this case, but it doesn't seem |
| 196 | // to make sense because the font _was_ created |
| 197 | wxLogDebug(wxT("Calling wxFont::RealizeResource() twice")); |
| 198 | |
| 199 | return TRUE; |
| 200 | } |
| 201 | |
| 202 | HPS hps; |
| 203 | FATTRS fAttrs; |
| 204 | FACENAMEDESC fName; |
| 205 | LONG fLid; |
| 206 | |
| 207 | fAttrs.usRecordLength = sizeof(FATTRS); |
| 208 | fAttrs.fsFontUse = FATTR_FONTUSE_OUTLINE | // only outline fonts allowed |
| 209 | FATTR_FONTUSE_TRANSFORMABLE; // may be transformed |
| 210 | fAttrs.fsType = 0; |
| 211 | fAttrs.lMaxBaselineExt = fAttrs.lAveCharWidth = 0; |
| 212 | fAttrs.idRegistry = 0; |
| 213 | fAttrs.lMatch = 0; |
| 214 | |
| 215 | fName.usSize = sizeof(FACENAMEDESC); |
| 216 | fName.usWidthClass = FWIDTH_NORMAL; |
| 217 | fName.usReserved = 0; |
| 218 | fName.flOptions = 0; |
| 219 | |
| 220 | wxString ff_face; |
| 221 | |
| 222 | // OS/2 combines the family with styles to give a facename |
| 223 | |
| 224 | switch ( M_FONTDATA->m_family ) |
| 225 | { |
| 226 | case wxSCRIPT: |
| 227 | case wxDECORATIVE: |
| 228 | case wxROMAN: |
| 229 | ff_face = wxT("Times New Roman") ; |
| 230 | break; |
| 231 | |
| 232 | case wxTELETYPE: |
| 233 | case wxMODERN: |
| 234 | ff_face = wxT("Courier") ; |
| 235 | break; |
| 236 | |
| 237 | case wxSWISS: |
| 238 | case wxDEFAULT: |
| 239 | default: |
| 240 | ff_face = wxT("Helvetica") ; |
| 241 | } |
| 242 | |
| 243 | switch ( M_FONTDATA->m_style ) |
| 244 | { |
| 245 | case wxITALIC: |
| 246 | case wxSLANT: |
| 247 | fAttrs.fsSelection = FATTR_SEL_ITALIC; |
| 248 | break; |
| 249 | |
| 250 | default: |
| 251 | wxFAIL_MSG(wxT("unknown font slant")); |
| 252 | // fall through |
| 253 | |
| 254 | case wxNORMAL: |
| 255 | fAttrs.fsSelection = 0; |
| 256 | } |
| 257 | |
| 258 | switch ( M_FONTDATA->m_weight ) |
| 259 | { |
| 260 | default: |
| 261 | wxFAIL_MSG(wxT("unknown font weight")); |
| 262 | // fall through |
| 263 | |
| 264 | case wxNORMAL: |
| 265 | fName.usWeightClass = FWEIGHT_NORMAL; |
| 266 | break; |
| 267 | |
| 268 | case wxLIGHT: |
| 269 | fName.usWeightClass = FWEIGHT_LIGHT; |
| 270 | break; |
| 271 | |
| 272 | case wxBOLD: |
| 273 | fName.usWeightClass = FWEIGHT_BOLD; |
| 274 | break; |
| 275 | } |
| 276 | |
| 277 | if( M_FONTDATA->m_underlined ) |
| 278 | fAttrs.fsSelection |= FATTR_SEL_UNDERSCORE; |
| 279 | |
| 280 | wxFontEncoding encoding = M_FONTDATA->m_encoding; |
| 281 | if ( encoding == wxFONTENCODING_DEFAULT ) |
| 282 | { |
| 283 | encoding = wxFont::GetDefaultEncoding(); |
| 284 | } |
| 285 | |
| 286 | switch ( encoding ) |
| 287 | { |
| 288 | case wxFONTENCODING_ISO8859_1: |
| 289 | case wxFONTENCODING_ISO8859_15: |
| 290 | case wxFONTENCODING_CP1250: |
| 291 | fAttrs.usCodePage = 1250; |
| 292 | break; |
| 293 | |
| 294 | case wxFONTENCODING_ISO8859_2: |
| 295 | case wxFONTENCODING_CP1252: |
| 296 | fAttrs.usCodePage = 1252; |
| 297 | break; |
| 298 | |
| 299 | case wxFONTENCODING_ISO8859_4: |
| 300 | case wxFONTENCODING_ISO8859_10: |
| 301 | fAttrs.usCodePage = 850; // what is baltic? |
| 302 | break; |
| 303 | |
| 304 | case wxFONTENCODING_ISO8859_5: |
| 305 | case wxFONTENCODING_CP1251: |
| 306 | fAttrs.usCodePage = 1251; |
| 307 | break; |
| 308 | |
| 309 | case wxFONTENCODING_ISO8859_6: |
| 310 | fAttrs.usCodePage = 850; // what is arabic? |
| 311 | break; |
| 312 | |
| 313 | case wxFONTENCODING_ISO8859_7: |
| 314 | fAttrs.usCodePage = 850; // what is greek |
| 315 | break; |
| 316 | |
| 317 | case wxFONTENCODING_ISO8859_8: |
| 318 | fAttrs.usCodePage = 850; // what is hebrew? |
| 319 | break; |
| 320 | |
| 321 | case wxFONTENCODING_ISO8859_9: |
| 322 | fAttrs.usCodePage = 857; |
| 323 | break; |
| 324 | |
| 325 | case wxFONTENCODING_ISO8859_11: |
| 326 | fAttrs.usCodePage = 850; // what is thai |
| 327 | break; |
| 328 | |
| 329 | case wxFONTENCODING_CP437: |
| 330 | fAttrs.usCodePage = 437; |
| 331 | break; |
| 332 | |
| 333 | default: |
| 334 | wxFAIL_MSG(wxT("unsupported encoding")); |
| 335 | // fall through |
| 336 | |
| 337 | case wxFONTENCODING_SYSTEM: |
| 338 | fAttrs.usCodePage = 850; // what is ANSI? |
| 339 | break; |
| 340 | } |
| 341 | |
| 342 | // Now cheking |
| 343 | fLid = 1; |
| 344 | hps = ::WinGetPS( HWND_DESKTOP ); |
| 345 | |
| 346 | long numLids = ::GpiQueryNumberSetIds( hps ); |
| 347 | long gpiError; |
| 348 | |
| 349 | // First we should generate unique id |
| 350 | if( numLids ) |
| 351 | { |
| 352 | long Types[255]; |
| 353 | STR8 Names[255]; |
| 354 | long lIds[255]; |
| 355 | |
| 356 | if( !GpiQuerySetIds(hps, numLids, Types, Names, lIds) ) |
| 357 | { |
| 358 | ::WinReleasePS( hps ); |
| 359 | return 0; |
| 360 | } |
| 361 | |
| 362 | for(unsigned long LCNum = 0; LCNum < numLids; LCNum++) |
| 363 | if(lIds[LCNum] == fLid) |
| 364 | ++fLid; |
| 365 | if(fLid > 254) // wow, no id available! |
| 366 | { |
| 367 | ::WinReleasePS( hps ); |
| 368 | return 0; |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | // now building facestring |
| 373 | if(::GpiQueryFaceString(hps, ff_face.c_str(), &fName, FACESIZE, fAttrs.szFacename) == GPI_ERROR) |
| 374 | { |
| 375 | ::WinReleasePS( hps ); |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | // now creating font |
| 380 | WXHFONT hFont = (WXHFONT)0; |
| 381 | |
| 382 | if(::GpiCreateLogFont(hps, NULL, fLid, &fAttrs) != GPI_ERROR) |
| 383 | M_FONTDATA->m_hFont = hFont = (WXHFONT)1; |
| 384 | |
| 385 | if( hFont ) |
| 386 | ::GpiDeleteSetId(hps, fLid); |
| 387 | |
| 388 | ::WinReleasePS( hps ); |
| 389 | |
| 390 | if ( !hFont ) |
| 391 | { |
| 392 | wxLogLastError("CreateFont"); |
| 393 | } |
| 394 | |
| 395 | return hFont != 0; |
| 396 | } |
| 397 | |
| 398 | bool wxFont::FreeResource(bool force) |
| 399 | { |
| 400 | if ( GetResourceHandle() ) |
| 401 | { |
| 402 | // TODO: |
| 403 | // if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) ) |
| 404 | // { |
| 405 | // wxLogLastError("DeleteObject(font)"); |
| 406 | // } |
| 407 | |
| 408 | M_FONTDATA->m_hFont = 0; |
| 409 | |
| 410 | return TRUE; |
| 411 | } |
| 412 | return FALSE; |
| 413 | } |
| 414 | |
| 415 | WXHANDLE wxFont::GetResourceHandle() |
| 416 | { |
| 417 | if ( !M_FONTDATA ) |
| 418 | return 0; |
| 419 | else |
| 420 | return (WXHANDLE)M_FONTDATA->m_hFont ; |
| 421 | } |
| 422 | |
| 423 | bool wxFont::IsFree() const |
| 424 | { |
| 425 | return (M_FONTDATA && (M_FONTDATA->m_hFont == 0)); |
| 426 | } |
| 427 | |
| 428 | void wxFont::Unshare() |
| 429 | { |
| 430 | // Don't change shared data |
| 431 | if ( !m_refData ) |
| 432 | { |
| 433 | m_refData = new wxFontRefData(); |
| 434 | } |
| 435 | else |
| 436 | { |
| 437 | wxFontRefData* ref = new wxFontRefData(*M_FONTDATA); |
| 438 | UnRef(); |
| 439 | m_refData = ref; |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | // ---------------------------------------------------------------------------- |
| 444 | // change font attribute: we recreate font when doing it |
| 445 | // ---------------------------------------------------------------------------- |
| 446 | |
| 447 | void wxFont::SetPointSize(int pointSize) |
| 448 | { |
| 449 | Unshare(); |
| 450 | |
| 451 | M_FONTDATA->m_pointSize = pointSize; |
| 452 | |
| 453 | RealizeResource(); |
| 454 | } |
| 455 | |
| 456 | void wxFont::SetFamily(int family) |
| 457 | { |
| 458 | Unshare(); |
| 459 | |
| 460 | M_FONTDATA->m_family = family; |
| 461 | |
| 462 | RealizeResource(); |
| 463 | } |
| 464 | |
| 465 | void wxFont::SetStyle(int style) |
| 466 | { |
| 467 | Unshare(); |
| 468 | |
| 469 | M_FONTDATA->m_style = style; |
| 470 | |
| 471 | RealizeResource(); |
| 472 | } |
| 473 | |
| 474 | void wxFont::SetWeight(int weight) |
| 475 | { |
| 476 | Unshare(); |
| 477 | |
| 478 | M_FONTDATA->m_weight = weight; |
| 479 | |
| 480 | RealizeResource(); |
| 481 | } |
| 482 | |
| 483 | void wxFont::SetFaceName(const wxString& faceName) |
| 484 | { |
| 485 | Unshare(); |
| 486 | |
| 487 | M_FONTDATA->m_faceName = faceName; |
| 488 | |
| 489 | RealizeResource(); |
| 490 | } |
| 491 | |
| 492 | void wxFont::SetUnderlined(bool underlined) |
| 493 | { |
| 494 | Unshare(); |
| 495 | |
| 496 | M_FONTDATA->m_underlined = underlined; |
| 497 | |
| 498 | RealizeResource(); |
| 499 | } |
| 500 | |
| 501 | void wxFont::SetEncoding(wxFontEncoding encoding) |
| 502 | { |
| 503 | Unshare(); |
| 504 | |
| 505 | M_FONTDATA->m_encoding = encoding; |
| 506 | |
| 507 | RealizeResource(); |
| 508 | } |
| 509 | |
| 510 | // ---------------------------------------------------------------------------- |
| 511 | // accessors |
| 512 | // ---------------------------------------------------------------------------- |
| 513 | |
| 514 | int wxFont::GetPointSize() const |
| 515 | { |
| 516 | return M_FONTDATA->m_pointSize; |
| 517 | } |
| 518 | |
| 519 | int wxFont::GetFamily() const |
| 520 | { |
| 521 | return M_FONTDATA->m_family; |
| 522 | } |
| 523 | |
| 524 | int wxFont::GetFontId() const |
| 525 | { |
| 526 | return M_FONTDATA->m_fontId; |
| 527 | } |
| 528 | |
| 529 | int wxFont::GetStyle() const |
| 530 | { |
| 531 | return M_FONTDATA->m_style; |
| 532 | } |
| 533 | |
| 534 | int wxFont::GetWeight() const |
| 535 | { |
| 536 | return M_FONTDATA->m_weight; |
| 537 | } |
| 538 | |
| 539 | bool wxFont::GetUnderlined() const |
| 540 | { |
| 541 | return M_FONTDATA->m_underlined; |
| 542 | } |
| 543 | |
| 544 | wxString wxFont::GetFaceName() const |
| 545 | { |
| 546 | wxString str; |
| 547 | if ( M_FONTDATA ) |
| 548 | str = M_FONTDATA->m_faceName ; |
| 549 | return str; |
| 550 | } |
| 551 | |
| 552 | wxFontEncoding wxFont::GetEncoding() const |
| 553 | { |
| 554 | return M_FONTDATA->m_encoding; |
| 555 | } |
| 556 | |