| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/fontcmn.cpp |
| 3 | // Purpose: implementation of wxFontBase methods |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 20.09.99 |
| 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/dc.h" |
| 31 | #include "wx/intl.h" |
| 32 | #include "wx/math.h" |
| 33 | #include "wx/dcscreen.h" |
| 34 | #include "wx/log.h" |
| 35 | #include "wx/gdicmn.h" |
| 36 | #endif // WX_PRECOMP |
| 37 | |
| 38 | #if defined(__WXMSW__) |
| 39 | #include "wx/msw/private.h" // includes windows.h for LOGFONT |
| 40 | #include "wx/msw/winundef.h" |
| 41 | #endif |
| 42 | |
| 43 | #include "wx/fontutil.h" // for wxNativeFontInfo |
| 44 | #include "wx/fontmap.h" |
| 45 | #include "wx/fontenum.h" |
| 46 | |
| 47 | #include "wx/tokenzr.h" |
| 48 | |
| 49 | // debugger helper: this function can be called from a debugger to show what |
| 50 | // the date really is |
| 51 | extern const char *wxDumpFont(const wxFont *font) |
| 52 | { |
| 53 | static char buf[256]; |
| 54 | |
| 55 | const wxFontWeight weight = font->GetWeight(); |
| 56 | |
| 57 | wxString s; |
| 58 | s.Printf(wxS("%s-%s-%s-%d-%d"), |
| 59 | font->GetFaceName(), |
| 60 | weight == wxFONTWEIGHT_NORMAL |
| 61 | ? wxT("normal") |
| 62 | : weight == wxFONTWEIGHT_BOLD |
| 63 | ? wxT("bold") |
| 64 | : wxT("light"), |
| 65 | font->GetStyle() == wxFONTSTYLE_NORMAL |
| 66 | ? wxT("regular") |
| 67 | : wxT("italic"), |
| 68 | font->GetPointSize(), |
| 69 | font->GetEncoding()); |
| 70 | |
| 71 | wxStrlcpy(buf, s.mb_str(), WXSIZEOF(buf)); |
| 72 | return buf; |
| 73 | } |
| 74 | |
| 75 | // ---------------------------------------------------------------------------- |
| 76 | // XTI |
| 77 | // ---------------------------------------------------------------------------- |
| 78 | |
| 79 | wxBEGIN_ENUM( wxFontFamily ) |
| 80 | wxENUM_MEMBER( wxFONTFAMILY_DEFAULT ) |
| 81 | wxENUM_MEMBER( wxFONTFAMILY_DECORATIVE ) |
| 82 | wxENUM_MEMBER( wxFONTFAMILY_ROMAN ) |
| 83 | wxENUM_MEMBER( wxFONTFAMILY_SCRIPT ) |
| 84 | wxENUM_MEMBER( wxFONTFAMILY_SWISS ) |
| 85 | wxENUM_MEMBER( wxFONTFAMILY_MODERN ) |
| 86 | wxENUM_MEMBER( wxFONTFAMILY_TELETYPE ) |
| 87 | wxEND_ENUM( wxFontFamily ) |
| 88 | |
| 89 | wxBEGIN_ENUM( wxFontStyle ) |
| 90 | wxENUM_MEMBER( wxFONTSTYLE_NORMAL ) |
| 91 | wxENUM_MEMBER( wxFONTSTYLE_ITALIC ) |
| 92 | wxENUM_MEMBER( wxFONTSTYLE_SLANT ) |
| 93 | wxEND_ENUM( wxFontStyle ) |
| 94 | |
| 95 | wxBEGIN_ENUM( wxFontWeight ) |
| 96 | wxENUM_MEMBER( wxFONTWEIGHT_NORMAL ) |
| 97 | wxENUM_MEMBER( wxFONTWEIGHT_LIGHT ) |
| 98 | wxENUM_MEMBER( wxFONTWEIGHT_BOLD ) |
| 99 | wxEND_ENUM( wxFontWeight ) |
| 100 | |
| 101 | wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject, "wx/font.h") |
| 102 | |
| 103 | //WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxFont>) |
| 104 | |
| 105 | wxBEGIN_PROPERTIES_TABLE(wxFont) |
| 106 | wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12, 0 /*flags*/, \ |
| 107 | wxT("Helpstring"), wxT("group")) |
| 108 | wxPROPERTY( Family, wxFontFamily , SetFamily, GetFamily, (wxFontFamily)wxDEFAULT, \ |
| 109 | 0 /*flags*/, wxT("Helpstring"), wxT("group")) // wxFontFamily |
| 110 | wxPROPERTY( Style, wxFontStyle, SetStyle, GetStyle, (wxFontStyle)wxNORMAL, 0 /*flags*/, \ |
| 111 | wxT("Helpstring"), wxT("group")) // wxFontStyle |
| 112 | wxPROPERTY( Weight, wxFontWeight, SetWeight, GetWeight, (wxFontWeight)wxNORMAL, 0 /*flags*/, \ |
| 113 | wxT("Helpstring"), wxT("group")) // wxFontWeight |
| 114 | wxPROPERTY( Underlined, bool, SetUnderlined, GetUnderlined, false, 0 /*flags*/, \ |
| 115 | wxT("Helpstring"), wxT("group")) |
| 116 | wxPROPERTY( Face, wxString, SetFaceName, GetFaceName, wxEMPTY_PARAMETER_VALUE, \ |
| 117 | 0 /*flags*/, wxT("Helpstring"), wxT("group")) |
| 118 | wxPROPERTY( Encoding, wxFontEncoding, SetEncoding, GetEncoding, \ |
| 119 | wxFONTENCODING_DEFAULT, 0 /*flags*/, wxT("Helpstring"), wxT("group")) |
| 120 | wxEND_PROPERTIES_TABLE() |
| 121 | |
| 122 | wxCONSTRUCTOR_6( wxFont, int, Size, wxFontFamily, Family, wxFontStyle, Style, wxFontWeight, Weight, \ |
| 123 | bool, Underlined, wxString, Face ) |
| 124 | |
| 125 | wxEMPTY_HANDLERS_TABLE(wxFont) |
| 126 | |
| 127 | // ============================================================================ |
| 128 | // implementation |
| 129 | // ============================================================================ |
| 130 | |
| 131 | // ---------------------------------------------------------------------------- |
| 132 | // helper functions |
| 133 | // ---------------------------------------------------------------------------- |
| 134 | |
| 135 | static inline int flags2Style(int flags) |
| 136 | { |
| 137 | return flags & wxFONTFLAG_ITALIC |
| 138 | ? wxFONTSTYLE_ITALIC |
| 139 | : flags & wxFONTFLAG_SLANT |
| 140 | ? wxFONTSTYLE_SLANT |
| 141 | : wxFONTSTYLE_NORMAL; |
| 142 | } |
| 143 | |
| 144 | static inline int flags2Weight(int flags) |
| 145 | { |
| 146 | return flags & wxFONTFLAG_LIGHT |
| 147 | ? wxFONTWEIGHT_LIGHT |
| 148 | : flags & wxFONTFLAG_BOLD |
| 149 | ? wxFONTWEIGHT_BOLD |
| 150 | : wxFONTWEIGHT_NORMAL; |
| 151 | } |
| 152 | |
| 153 | static inline bool flags2Underlined(int flags) |
| 154 | { |
| 155 | return (flags & wxFONTFLAG_UNDERLINED) != 0; |
| 156 | } |
| 157 | |
| 158 | // ---------------------------------------------------------------------------- |
| 159 | // wxFontBase |
| 160 | // ---------------------------------------------------------------------------- |
| 161 | |
| 162 | wxFontEncoding wxFontBase::ms_encodingDefault = wxFONTENCODING_SYSTEM; |
| 163 | |
| 164 | /* static */ |
| 165 | void wxFontBase::SetDefaultEncoding(wxFontEncoding encoding) |
| 166 | { |
| 167 | // GetDefaultEncoding() should return something != wxFONTENCODING_DEFAULT |
| 168 | // and, besides, using this value here doesn't make any sense |
| 169 | wxCHECK_RET( encoding != wxFONTENCODING_DEFAULT, |
| 170 | wxT("can't set default encoding to wxFONTENCODING_DEFAULT") ); |
| 171 | |
| 172 | ms_encodingDefault = encoding; |
| 173 | } |
| 174 | |
| 175 | wxFontBase::~wxFontBase() |
| 176 | { |
| 177 | // this destructor is required for Darwin |
| 178 | } |
| 179 | |
| 180 | /* static */ |
| 181 | wxFont *wxFontBase::New(int size, |
| 182 | wxFontFamily family, |
| 183 | wxFontStyle style, |
| 184 | wxFontWeight weight, |
| 185 | bool underlined, |
| 186 | const wxString& face, |
| 187 | wxFontEncoding encoding) |
| 188 | { |
| 189 | return new wxFont(size, family, style, weight, underlined, face, encoding); |
| 190 | } |
| 191 | |
| 192 | /* static */ |
| 193 | wxFont *wxFontBase::New(const wxSize& pixelSize, |
| 194 | wxFontFamily family, |
| 195 | wxFontStyle style, |
| 196 | wxFontWeight weight, |
| 197 | bool underlined, |
| 198 | const wxString& face, |
| 199 | wxFontEncoding encoding) |
| 200 | { |
| 201 | return new wxFont(pixelSize, family, style, weight, underlined, |
| 202 | face, encoding); |
| 203 | } |
| 204 | |
| 205 | /* static */ |
| 206 | wxFont *wxFontBase::New(int pointSize, |
| 207 | wxFontFamily family, |
| 208 | int flags, |
| 209 | const wxString& face, |
| 210 | wxFontEncoding encoding) |
| 211 | { |
| 212 | return New(pointSize, family, flags2Style(flags), flags2Weight(flags), |
| 213 | flags2Underlined(flags), face, encoding); |
| 214 | } |
| 215 | |
| 216 | /* static */ |
| 217 | wxFont *wxFontBase::New(const wxSize& pixelSize, |
| 218 | wxFontFamily family, |
| 219 | int flags, |
| 220 | const wxString& face, |
| 221 | wxFontEncoding encoding) |
| 222 | { |
| 223 | return New(pixelSize, family, flags2Style(flags), flags2Weight(flags), |
| 224 | flags2Underlined(flags), face, encoding); |
| 225 | } |
| 226 | |
| 227 | /* static */ |
| 228 | wxFont *wxFontBase::New(const wxNativeFontInfo& info) |
| 229 | { |
| 230 | return new wxFont(info); |
| 231 | } |
| 232 | |
| 233 | /* static */ |
| 234 | wxFont *wxFontBase::New(const wxString& strNativeFontDesc) |
| 235 | { |
| 236 | wxNativeFontInfo fontInfo; |
| 237 | if ( !fontInfo.FromString(strNativeFontDesc) ) |
| 238 | return new wxFont(*wxNORMAL_FONT); |
| 239 | |
| 240 | return New(fontInfo); |
| 241 | } |
| 242 | |
| 243 | bool wxFontBase::IsFixedWidth() const |
| 244 | { |
| 245 | return GetFamily() == wxFONTFAMILY_TELETYPE; |
| 246 | } |
| 247 | |
| 248 | wxSize wxFontBase::GetPixelSize() const |
| 249 | { |
| 250 | wxScreenDC dc; |
| 251 | dc.SetFont(*(wxFont *)this); |
| 252 | return wxSize(dc.GetCharWidth(), dc.GetCharHeight()); |
| 253 | } |
| 254 | |
| 255 | bool wxFontBase::IsUsingSizeInPixels() const |
| 256 | { |
| 257 | return false; |
| 258 | } |
| 259 | |
| 260 | void wxFontBase::SetPixelSize( const wxSize& pixelSize ) |
| 261 | { |
| 262 | wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0, |
| 263 | "Negative values for the pixel size or zero pixel height are not allowed" ); |
| 264 | |
| 265 | wxScreenDC dc; |
| 266 | |
| 267 | // NOTE: this algorithm for adjusting the font size is used by all |
| 268 | // implementations of wxFont except under wxMSW and wxGTK where |
| 269 | // native support to font creation using pixel-size is provided. |
| 270 | |
| 271 | int largestGood = 0; |
| 272 | int smallestBad = 0; |
| 273 | |
| 274 | bool initialGoodFound = false; |
| 275 | bool initialBadFound = false; |
| 276 | |
| 277 | // NB: this assignment was separated from the variable definition |
| 278 | // in order to fix a gcc v3.3.3 compiler crash |
| 279 | int currentSize = GetPointSize(); |
| 280 | while (currentSize > 0) |
| 281 | { |
| 282 | dc.SetFont(*static_cast<wxFont*>(this)); |
| 283 | |
| 284 | // if currentSize (in points) results in a font that is smaller |
| 285 | // than required by pixelSize it is considered a good size |
| 286 | // NOTE: the pixel size width may be zero |
| 287 | if (dc.GetCharHeight() <= pixelSize.GetHeight() && |
| 288 | (pixelSize.GetWidth() == 0 || |
| 289 | dc.GetCharWidth() <= pixelSize.GetWidth())) |
| 290 | { |
| 291 | largestGood = currentSize; |
| 292 | initialGoodFound = true; |
| 293 | } |
| 294 | else |
| 295 | { |
| 296 | smallestBad = currentSize; |
| 297 | initialBadFound = true; |
| 298 | } |
| 299 | if (!initialGoodFound) |
| 300 | { |
| 301 | currentSize /= 2; |
| 302 | } |
| 303 | else if (!initialBadFound) |
| 304 | { |
| 305 | currentSize *= 2; |
| 306 | } |
| 307 | else |
| 308 | { |
| 309 | int distance = smallestBad - largestGood; |
| 310 | if (distance == 1) |
| 311 | break; |
| 312 | |
| 313 | currentSize = largestGood + distance / 2; |
| 314 | } |
| 315 | |
| 316 | SetPointSize(currentSize); |
| 317 | } |
| 318 | |
| 319 | if (currentSize != largestGood) |
| 320 | SetPointSize(largestGood); |
| 321 | } |
| 322 | |
| 323 | void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info) |
| 324 | { |
| 325 | #ifdef wxNO_NATIVE_FONTINFO |
| 326 | SetPointSize(info.pointSize); |
| 327 | SetFamily(info.family); |
| 328 | SetStyle(info.style); |
| 329 | SetWeight(info.weight); |
| 330 | SetUnderlined(info.underlined); |
| 331 | SetFaceName(info.faceName); |
| 332 | SetEncoding(info.encoding); |
| 333 | #else |
| 334 | (void)info; |
| 335 | #endif |
| 336 | } |
| 337 | |
| 338 | wxString wxFontBase::GetNativeFontInfoDesc() const |
| 339 | { |
| 340 | wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); |
| 341 | |
| 342 | wxString fontDesc; |
| 343 | const wxNativeFontInfo *fontInfo = GetNativeFontInfo(); |
| 344 | if ( fontInfo ) |
| 345 | { |
| 346 | fontDesc = fontInfo->ToString(); |
| 347 | wxASSERT_MSG(!fontDesc.empty(), wxT("This should be a non-empty string!")); |
| 348 | } |
| 349 | else |
| 350 | { |
| 351 | wxFAIL_MSG(wxT("Derived class should have created the wxNativeFontInfo!")); |
| 352 | } |
| 353 | |
| 354 | return fontDesc; |
| 355 | } |
| 356 | |
| 357 | wxString wxFontBase::GetNativeFontInfoUserDesc() const |
| 358 | { |
| 359 | wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); |
| 360 | |
| 361 | wxString fontDesc; |
| 362 | const wxNativeFontInfo *fontInfo = GetNativeFontInfo(); |
| 363 | if ( fontInfo ) |
| 364 | { |
| 365 | fontDesc = fontInfo->ToUserString(); |
| 366 | wxASSERT_MSG(!fontDesc.empty(), wxT("This should be a non-empty string!")); |
| 367 | } |
| 368 | else |
| 369 | { |
| 370 | wxFAIL_MSG(wxT("Derived class should have created the wxNativeFontInfo!")); |
| 371 | } |
| 372 | |
| 373 | return fontDesc; |
| 374 | } |
| 375 | |
| 376 | bool wxFontBase::SetNativeFontInfo(const wxString& info) |
| 377 | { |
| 378 | wxNativeFontInfo fontInfo; |
| 379 | if ( !info.empty() && fontInfo.FromString(info) ) |
| 380 | { |
| 381 | SetNativeFontInfo(fontInfo); |
| 382 | return true; |
| 383 | } |
| 384 | |
| 385 | return false; |
| 386 | } |
| 387 | |
| 388 | bool wxFontBase::SetNativeFontInfoUserDesc(const wxString& info) |
| 389 | { |
| 390 | wxNativeFontInfo fontInfo; |
| 391 | if ( !info.empty() && fontInfo.FromUserString(info) ) |
| 392 | { |
| 393 | SetNativeFontInfo(fontInfo); |
| 394 | return true; |
| 395 | } |
| 396 | |
| 397 | return false; |
| 398 | } |
| 399 | |
| 400 | bool wxFontBase::operator==(const wxFont& font) const |
| 401 | { |
| 402 | // either it is the same font, i.e. they share the same common data or they |
| 403 | // have different ref datas but still describe the same font |
| 404 | return IsSameAs(font) || |
| 405 | ( |
| 406 | IsOk() == font.IsOk() && |
| 407 | GetPointSize() == font.GetPointSize() && |
| 408 | // in wxGTK1 GetPixelSize() calls GetInternalFont() which uses |
| 409 | // operator==() resulting in infinite recursion so we can't use it |
| 410 | // in that port |
| 411 | #if !defined(__WXGTK__) || defined(__WXGTK20__) |
| 412 | GetPixelSize() == font.GetPixelSize() && |
| 413 | #endif |
| 414 | GetFamily() == font.GetFamily() && |
| 415 | GetStyle() == font.GetStyle() && |
| 416 | GetWeight() == font.GetWeight() && |
| 417 | GetUnderlined() == font.GetUnderlined() && |
| 418 | GetFaceName().IsSameAs(font.GetFaceName(), false) && |
| 419 | GetEncoding() == font.GetEncoding() |
| 420 | ); |
| 421 | } |
| 422 | |
| 423 | wxFontFamily wxFontBase::GetFamily() const |
| 424 | { |
| 425 | wxCHECK_MSG( IsOk(), wxFONTFAMILY_UNKNOWN, wxS("invalid font") ); |
| 426 | |
| 427 | // Don't return wxFONTFAMILY_UNKNOWN from here because it prevents the code |
| 428 | // like wxFont(size, wxNORMAL_FONT->GetFamily(), ...) from working (see |
| 429 | // #12330). This is really just a hack but it allows to keep compatibility |
| 430 | // and doesn't really have any bad drawbacks so do this until someone comes |
| 431 | // up with a better idea. |
| 432 | const wxFontFamily family = DoGetFamily(); |
| 433 | |
| 434 | return family == wxFONTFAMILY_UNKNOWN ? wxFONTFAMILY_DEFAULT : family; |
| 435 | } |
| 436 | |
| 437 | wxString wxFontBase::GetFamilyString() const |
| 438 | { |
| 439 | wxCHECK_MSG( IsOk(), "wxFONTFAMILY_DEFAULT", "invalid font" ); |
| 440 | |
| 441 | switch ( GetFamily() ) |
| 442 | { |
| 443 | case wxFONTFAMILY_DECORATIVE: return "wxFONTFAMILY_DECORATIVE"; |
| 444 | case wxFONTFAMILY_ROMAN: return "wxFONTFAMILY_ROMAN"; |
| 445 | case wxFONTFAMILY_SCRIPT: return "wxFONTFAMILY_SCRIPT"; |
| 446 | case wxFONTFAMILY_SWISS: return "wxFONTFAMILY_SWISS"; |
| 447 | case wxFONTFAMILY_MODERN: return "wxFONTFAMILY_MODERN"; |
| 448 | case wxFONTFAMILY_TELETYPE: return "wxFONTFAMILY_TELETYPE"; |
| 449 | case wxFONTFAMILY_UNKNOWN: return "wxFONTFAMILY_UNKNOWN"; |
| 450 | default: return "wxFONTFAMILY_DEFAULT"; |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | wxString wxFontBase::GetStyleString() const |
| 455 | { |
| 456 | wxCHECK_MSG( IsOk(), "wxFONTSTYLE_DEFAULT", "invalid font" ); |
| 457 | |
| 458 | switch ( GetStyle() ) |
| 459 | { |
| 460 | case wxFONTSTYLE_NORMAL: return "wxFONTSTYLE_NORMAL"; |
| 461 | case wxFONTSTYLE_SLANT: return "wxFONTSTYLE_SLANT"; |
| 462 | case wxFONTSTYLE_ITALIC: return "wxFONTSTYLE_ITALIC"; |
| 463 | default: return "wxFONTSTYLE_DEFAULT"; |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | wxString wxFontBase::GetWeightString() const |
| 468 | { |
| 469 | wxCHECK_MSG( IsOk(), "wxFONTWEIGHT_DEFAULT", "invalid font" ); |
| 470 | |
| 471 | switch ( GetWeight() ) |
| 472 | { |
| 473 | case wxFONTWEIGHT_NORMAL: return "wxFONTWEIGHT_NORMAL"; |
| 474 | case wxFONTWEIGHT_BOLD: return "wxFONTWEIGHT_BOLD"; |
| 475 | case wxFONTWEIGHT_LIGHT: return "wxFONTWEIGHT_LIGHT"; |
| 476 | default: return "wxFONTWEIGHT_DEFAULT"; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | bool wxFontBase::SetFaceName(const wxString& facename) |
| 481 | { |
| 482 | #if wxUSE_FONTENUM |
| 483 | if (!wxFontEnumerator::IsValidFacename(facename)) |
| 484 | { |
| 485 | UnRef(); // make IsOk() return false |
| 486 | return false; |
| 487 | } |
| 488 | #else // !wxUSE_FONTENUM |
| 489 | wxUnusedVar(facename); |
| 490 | #endif // wxUSE_FONTENUM/!wxUSE_FONTENUM |
| 491 | |
| 492 | return true; |
| 493 | } |
| 494 | |
| 495 | void wxFontBase::SetSymbolicSize(wxFontSymbolicSize size) |
| 496 | { |
| 497 | SetSymbolicSizeRelativeTo(size, wxNORMAL_FONT->GetPointSize()); |
| 498 | } |
| 499 | |
| 500 | /* static */ |
| 501 | int wxFontBase::AdjustToSymbolicSize(wxFontSymbolicSize size, int base) |
| 502 | { |
| 503 | // Using a fixed factor (1.2, from CSS2) is a bad idea as explained at |
| 504 | // http://www.w3.org/TR/CSS21/fonts.html#font-size-props so use the values |
| 505 | // from http://style.cleverchimp.com/font_size_intervals/altintervals.html |
| 506 | // instead. |
| 507 | static const float factors[] = { 0.60f, 0.75f, 0.89f, 1.f, 1.2f, 1.5f, 2.f }; |
| 508 | |
| 509 | wxCOMPILE_TIME_ASSERT |
| 510 | ( |
| 511 | WXSIZEOF(factors) == wxFONTSIZE_XX_LARGE - wxFONTSIZE_XX_SMALL + 1, |
| 512 | WrongFontSizeFactorsSize |
| 513 | ); |
| 514 | |
| 515 | return wxRound(factors[size - wxFONTSIZE_XX_SMALL]*base); |
| 516 | } |
| 517 | |
| 518 | wxFont& wxFont::MakeBold() |
| 519 | { |
| 520 | SetWeight(wxFONTWEIGHT_BOLD); |
| 521 | return *this; |
| 522 | } |
| 523 | |
| 524 | wxFont wxFont::Bold() const |
| 525 | { |
| 526 | wxFont font(*this); |
| 527 | font.MakeBold(); |
| 528 | return font; |
| 529 | } |
| 530 | |
| 531 | wxFont& wxFont::MakeItalic() |
| 532 | { |
| 533 | SetStyle(wxFONTSTYLE_ITALIC); |
| 534 | return *this; |
| 535 | } |
| 536 | |
| 537 | wxFont wxFont::Italic() const |
| 538 | { |
| 539 | wxFont font(*this); |
| 540 | font.MakeItalic(); |
| 541 | return font; |
| 542 | } |
| 543 | |
| 544 | wxFont& wxFont::MakeUnderlined() |
| 545 | { |
| 546 | SetUnderlined(true); |
| 547 | return *this; |
| 548 | } |
| 549 | |
| 550 | wxFont wxFont::Underlined() const |
| 551 | { |
| 552 | wxFont font(*this); |
| 553 | font.MakeUnderlined(); |
| 554 | return font; |
| 555 | } |
| 556 | |
| 557 | wxFont& wxFont::Scale(float x) |
| 558 | { |
| 559 | SetPointSize(int(x*GetPointSize() + 0.5)); |
| 560 | return *this; |
| 561 | } |
| 562 | |
| 563 | wxFont wxFont::Scaled(float x) const |
| 564 | { |
| 565 | wxFont font(*this); |
| 566 | font.Scale(x); |
| 567 | return font; |
| 568 | } |
| 569 | |
| 570 | // ---------------------------------------------------------------------------- |
| 571 | // wxNativeFontInfo |
| 572 | // ---------------------------------------------------------------------------- |
| 573 | |
| 574 | // Up to now, there are no native implementations of this function: |
| 575 | void wxNativeFontInfo::SetFaceName(const wxArrayString& facenames) |
| 576 | { |
| 577 | #if wxUSE_FONTENUM |
| 578 | for (size_t i=0; i < facenames.GetCount(); i++) |
| 579 | { |
| 580 | if (wxFontEnumerator::IsValidFacename(facenames[i])) |
| 581 | { |
| 582 | SetFaceName(facenames[i]); |
| 583 | return; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | // set the first valid facename we can find on this system |
| 588 | wxString validfacename = wxFontEnumerator::GetFacenames().Item(0); |
| 589 | wxLogTrace(wxT("font"), wxT("Falling back to '%s'"), validfacename.c_str()); |
| 590 | SetFaceName(validfacename); |
| 591 | #else // !wxUSE_FONTENUM |
| 592 | SetFaceName(facenames[0]); |
| 593 | #endif // wxUSE_FONTENUM/!wxUSE_FONTENUM |
| 594 | } |
| 595 | |
| 596 | |
| 597 | #ifdef wxNO_NATIVE_FONTINFO |
| 598 | |
| 599 | // These are the generic forms of FromString()/ToString. |
| 600 | // |
| 601 | // convert to/from the string representation: format is |
| 602 | // version;pointsize;family;style;weight;underlined;facename;encoding |
| 603 | |
| 604 | bool wxNativeFontInfo::FromString(const wxString& s) |
| 605 | { |
| 606 | long l; |
| 607 | |
| 608 | wxStringTokenizer tokenizer(s, wxT(";")); |
| 609 | |
| 610 | wxString token = tokenizer.GetNextToken(); |
| 611 | // |
| 612 | // Ignore the version for now |
| 613 | // |
| 614 | |
| 615 | token = tokenizer.GetNextToken(); |
| 616 | if ( !token.ToLong(&l) ) |
| 617 | return false; |
| 618 | pointSize = (int)l; |
| 619 | |
| 620 | token = tokenizer.GetNextToken(); |
| 621 | if ( !token.ToLong(&l) ) |
| 622 | return false; |
| 623 | family = (wxFontFamily)l; |
| 624 | |
| 625 | token = tokenizer.GetNextToken(); |
| 626 | if ( !token.ToLong(&l) ) |
| 627 | return false; |
| 628 | style = (wxFontStyle)l; |
| 629 | |
| 630 | token = tokenizer.GetNextToken(); |
| 631 | if ( !token.ToLong(&l) ) |
| 632 | return false; |
| 633 | weight = (wxFontWeight)l; |
| 634 | |
| 635 | token = tokenizer.GetNextToken(); |
| 636 | if ( !token.ToLong(&l) ) |
| 637 | return false; |
| 638 | underlined = l != 0; |
| 639 | |
| 640 | faceName = tokenizer.GetNextToken(); |
| 641 | |
| 642 | #ifndef __WXMAC__ |
| 643 | if( !faceName ) |
| 644 | return false; |
| 645 | #endif |
| 646 | |
| 647 | token = tokenizer.GetNextToken(); |
| 648 | if ( !token.ToLong(&l) ) |
| 649 | return false; |
| 650 | encoding = (wxFontEncoding)l; |
| 651 | |
| 652 | return true; |
| 653 | } |
| 654 | |
| 655 | wxString wxNativeFontInfo::ToString() const |
| 656 | { |
| 657 | wxString s; |
| 658 | |
| 659 | s.Printf(wxT("%d;%d;%d;%d;%d;%d;%s;%d"), |
| 660 | 0, // version |
| 661 | pointSize, |
| 662 | family, |
| 663 | (int)style, |
| 664 | (int)weight, |
| 665 | underlined, |
| 666 | faceName.GetData(), |
| 667 | (int)encoding); |
| 668 | |
| 669 | return s; |
| 670 | } |
| 671 | |
| 672 | void wxNativeFontInfo::Init() |
| 673 | { |
| 674 | pointSize = 0; |
| 675 | family = wxFONTFAMILY_DEFAULT; |
| 676 | style = wxFONTSTYLE_NORMAL; |
| 677 | weight = wxFONTWEIGHT_NORMAL; |
| 678 | underlined = false; |
| 679 | faceName.clear(); |
| 680 | encoding = wxFONTENCODING_DEFAULT; |
| 681 | } |
| 682 | |
| 683 | int wxNativeFontInfo::GetPointSize() const |
| 684 | { |
| 685 | return pointSize; |
| 686 | } |
| 687 | |
| 688 | wxFontStyle wxNativeFontInfo::GetStyle() const |
| 689 | { |
| 690 | return style; |
| 691 | } |
| 692 | |
| 693 | wxFontWeight wxNativeFontInfo::GetWeight() const |
| 694 | { |
| 695 | return weight; |
| 696 | } |
| 697 | |
| 698 | bool wxNativeFontInfo::GetUnderlined() const |
| 699 | { |
| 700 | return underlined; |
| 701 | } |
| 702 | |
| 703 | wxString wxNativeFontInfo::GetFaceName() const |
| 704 | { |
| 705 | return faceName; |
| 706 | } |
| 707 | |
| 708 | wxFontFamily wxNativeFontInfo::GetFamily() const |
| 709 | { |
| 710 | return family; |
| 711 | } |
| 712 | |
| 713 | wxFontEncoding wxNativeFontInfo::GetEncoding() const |
| 714 | { |
| 715 | return encoding; |
| 716 | } |
| 717 | |
| 718 | void wxNativeFontInfo::SetPointSize(int pointsize) |
| 719 | { |
| 720 | pointSize = pointsize; |
| 721 | } |
| 722 | |
| 723 | void wxNativeFontInfo::SetStyle(wxFontStyle style_) |
| 724 | { |
| 725 | style = style_; |
| 726 | } |
| 727 | |
| 728 | void wxNativeFontInfo::SetWeight(wxFontWeight weight_) |
| 729 | { |
| 730 | weight = weight_; |
| 731 | } |
| 732 | |
| 733 | void wxNativeFontInfo::SetUnderlined(bool underlined_) |
| 734 | { |
| 735 | underlined = underlined_; |
| 736 | } |
| 737 | |
| 738 | bool wxNativeFontInfo::SetFaceName(const wxString& facename_) |
| 739 | { |
| 740 | faceName = facename_; |
| 741 | return true; |
| 742 | } |
| 743 | |
| 744 | void wxNativeFontInfo::SetFamily(wxFontFamily family_) |
| 745 | { |
| 746 | family = family_; |
| 747 | } |
| 748 | |
| 749 | void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding_) |
| 750 | { |
| 751 | encoding = encoding_; |
| 752 | } |
| 753 | |
| 754 | #endif // generic wxNativeFontInfo implementation |
| 755 | |
| 756 | // conversion to/from user-readable string: this is used in the generic |
| 757 | // versions and under MSW as well because there is no standard font description |
| 758 | // format there anyhow (but there is a well-defined standard for X11 fonts used |
| 759 | // by wxGTK and wxMotif) |
| 760 | |
| 761 | #if defined(wxNO_NATIVE_FONTINFO) || defined(__WXMSW__) || defined (__WXPM__) || defined(__WXOSX__) |
| 762 | |
| 763 | wxString wxNativeFontInfo::ToUserString() const |
| 764 | { |
| 765 | wxString desc; |
| 766 | |
| 767 | // first put the adjectives, if any - this is English-centric, of course, |
| 768 | // but what else can we do? |
| 769 | if ( GetUnderlined() ) |
| 770 | { |
| 771 | desc << _("underlined"); |
| 772 | } |
| 773 | |
| 774 | switch ( GetWeight() ) |
| 775 | { |
| 776 | default: |
| 777 | wxFAIL_MSG( wxT("unknown font weight") ); |
| 778 | // fall through |
| 779 | |
| 780 | case wxFONTWEIGHT_NORMAL: |
| 781 | break; |
| 782 | |
| 783 | case wxFONTWEIGHT_LIGHT: |
| 784 | desc << _(" light"); |
| 785 | break; |
| 786 | |
| 787 | case wxFONTWEIGHT_BOLD: |
| 788 | desc << _(" bold"); |
| 789 | break; |
| 790 | } |
| 791 | |
| 792 | switch ( GetStyle() ) |
| 793 | { |
| 794 | default: |
| 795 | wxFAIL_MSG( wxT("unknown font style") ); |
| 796 | // fall through |
| 797 | |
| 798 | case wxFONTSTYLE_NORMAL: |
| 799 | break; |
| 800 | |
| 801 | // we don't distinguish between the two for now anyhow... |
| 802 | case wxFONTSTYLE_ITALIC: |
| 803 | case wxFONTSTYLE_SLANT: |
| 804 | desc << _(" italic"); |
| 805 | break; |
| 806 | } |
| 807 | |
| 808 | wxString face = GetFaceName(); |
| 809 | if ( !face.empty() ) |
| 810 | { |
| 811 | if (face.Contains(' ') || face.Contains(';') || face.Contains(',')) |
| 812 | { |
| 813 | face.Replace("'", ""); |
| 814 | // eventually remove quote characters: most systems do not |
| 815 | // allow them in a facename anyway so this usually does nothing |
| 816 | |
| 817 | // make it possible for FromUserString() function to understand |
| 818 | // that the different words which compose this facename are |
| 819 | // not different adjectives or other data but rather all parts |
| 820 | // of the facename |
| 821 | desc << wxT(" '") << face << _("'"); |
| 822 | } |
| 823 | else |
| 824 | desc << wxT(' ') << face; |
| 825 | } |
| 826 | else // no face name specified |
| 827 | { |
| 828 | // use the family |
| 829 | wxString familyStr; |
| 830 | switch ( GetFamily() ) |
| 831 | { |
| 832 | case wxFONTFAMILY_DECORATIVE: |
| 833 | familyStr = "decorative"; |
| 834 | break; |
| 835 | |
| 836 | case wxFONTFAMILY_ROMAN: |
| 837 | familyStr = "roman"; |
| 838 | break; |
| 839 | |
| 840 | case wxFONTFAMILY_SCRIPT: |
| 841 | familyStr = "script"; |
| 842 | break; |
| 843 | |
| 844 | case wxFONTFAMILY_SWISS: |
| 845 | familyStr = "swiss"; |
| 846 | break; |
| 847 | |
| 848 | case wxFONTFAMILY_MODERN: |
| 849 | familyStr = "modern"; |
| 850 | break; |
| 851 | |
| 852 | case wxFONTFAMILY_TELETYPE: |
| 853 | familyStr = "teletype"; |
| 854 | break; |
| 855 | |
| 856 | case wxFONTFAMILY_DEFAULT: |
| 857 | case wxFONTFAMILY_UNKNOWN: |
| 858 | break; |
| 859 | |
| 860 | default: |
| 861 | wxFAIL_MSG( "unknown font family" ); |
| 862 | } |
| 863 | |
| 864 | if ( !familyStr.empty() ) |
| 865 | desc << " '" << familyStr << " family'"; |
| 866 | } |
| 867 | |
| 868 | int size = GetPointSize(); |
| 869 | if ( size != wxNORMAL_FONT->GetPointSize() ) |
| 870 | { |
| 871 | desc << wxT(' ') << size; |
| 872 | } |
| 873 | |
| 874 | #if wxUSE_FONTMAP |
| 875 | wxFontEncoding enc = GetEncoding(); |
| 876 | if ( enc != wxFONTENCODING_DEFAULT && enc != wxFONTENCODING_SYSTEM ) |
| 877 | { |
| 878 | desc << wxT(' ') << wxFontMapper::GetEncodingName(enc); |
| 879 | } |
| 880 | #endif // wxUSE_FONTMAP |
| 881 | |
| 882 | return desc.Strip(wxString::both).MakeLower(); |
| 883 | } |
| 884 | |
| 885 | bool wxNativeFontInfo::FromUserString(const wxString& s) |
| 886 | { |
| 887 | // reset to the default state |
| 888 | Init(); |
| 889 | |
| 890 | // ToUserString() will quote the facename if it contains spaces, commas |
| 891 | // or semicolons: we must be able to understand that quoted text is |
| 892 | // a single token: |
| 893 | wxString toparse(s); |
| 894 | |
| 895 | // parse a more or less free form string |
| 896 | wxStringTokenizer tokenizer(toparse, wxT(";, "), wxTOKEN_STRTOK); |
| 897 | |
| 898 | wxString face; |
| 899 | unsigned long size; |
| 900 | bool weightfound = false, pointsizefound = false; |
| 901 | #if wxUSE_FONTMAP |
| 902 | bool encodingfound = false; |
| 903 | #endif |
| 904 | bool insideQuotes = false; |
| 905 | |
| 906 | while ( tokenizer.HasMoreTokens() ) |
| 907 | { |
| 908 | wxString token = tokenizer.GetNextToken(); |
| 909 | |
| 910 | // normalize it |
| 911 | token.Trim(true).Trim(false).MakeLower(); |
| 912 | if (insideQuotes) |
| 913 | { |
| 914 | if (token.StartsWith("'") || |
| 915 | token.EndsWith("'")) |
| 916 | { |
| 917 | insideQuotes = false; |
| 918 | |
| 919 | // add this last token to the facename: |
| 920 | face += " " + token; |
| 921 | |
| 922 | // normalize facename: |
| 923 | face = face.Trim(true).Trim(false); |
| 924 | face.Replace("'", ""); |
| 925 | |
| 926 | continue; |
| 927 | } |
| 928 | } |
| 929 | else |
| 930 | { |
| 931 | if (token.StartsWith("'")) |
| 932 | insideQuotes = true; |
| 933 | } |
| 934 | |
| 935 | // look for the known tokens |
| 936 | if ( insideQuotes ) |
| 937 | { |
| 938 | // only the facename may be quoted: |
| 939 | face += " " + token; |
| 940 | continue; |
| 941 | } |
| 942 | if ( token == wxT("underlined") || token == _("underlined") ) |
| 943 | { |
| 944 | SetUnderlined(true); |
| 945 | } |
| 946 | else if ( token == wxT("light") || token == _("light") ) |
| 947 | { |
| 948 | SetWeight(wxFONTWEIGHT_LIGHT); |
| 949 | weightfound = true; |
| 950 | } |
| 951 | else if ( token == wxT("bold") || token == _("bold") ) |
| 952 | { |
| 953 | SetWeight(wxFONTWEIGHT_BOLD); |
| 954 | weightfound = true; |
| 955 | } |
| 956 | else if ( token == wxT("italic") || token == _("italic") ) |
| 957 | { |
| 958 | SetStyle(wxFONTSTYLE_ITALIC); |
| 959 | } |
| 960 | else if ( token.ToULong(&size) ) |
| 961 | { |
| 962 | SetPointSize(size); |
| 963 | pointsizefound = true; |
| 964 | } |
| 965 | else |
| 966 | { |
| 967 | #if wxUSE_FONTMAP |
| 968 | // try to interpret this as an encoding |
| 969 | wxFontEncoding encoding = wxFontMapper::Get()->CharsetToEncoding(token, false); |
| 970 | if ( encoding != wxFONTENCODING_DEFAULT && |
| 971 | encoding != wxFONTENCODING_SYSTEM ) // returned when the recognition failed |
| 972 | { |
| 973 | SetEncoding(encoding); |
| 974 | encodingfound = true; |
| 975 | } |
| 976 | else |
| 977 | { |
| 978 | #endif // wxUSE_FONTMAP |
| 979 | |
| 980 | // assume it is the face name |
| 981 | if ( !face.empty() ) |
| 982 | { |
| 983 | face += wxT(' '); |
| 984 | } |
| 985 | |
| 986 | face += token; |
| 987 | |
| 988 | // skip the code which resets face below |
| 989 | continue; |
| 990 | |
| 991 | #if wxUSE_FONTMAP |
| 992 | } |
| 993 | #endif // wxUSE_FONTMAP |
| 994 | } |
| 995 | |
| 996 | // if we had had the facename, we shouldn't continue appending tokens |
| 997 | // to it (i.e. "foo bold bar" shouldn't result in the facename "foo |
| 998 | // bar") |
| 999 | if ( !face.empty() ) |
| 1000 | { |
| 1001 | wxString familyStr; |
| 1002 | if ( face.EndsWith(" family", &familyStr) ) |
| 1003 | { |
| 1004 | // it's not a facename but rather a font family |
| 1005 | wxFontFamily family; |
| 1006 | if ( familyStr == "decorative" ) |
| 1007 | family = wxFONTFAMILY_DECORATIVE; |
| 1008 | else if ( familyStr == "roman" ) |
| 1009 | family = wxFONTFAMILY_ROMAN; |
| 1010 | else if ( familyStr == "script" ) |
| 1011 | family = wxFONTFAMILY_SCRIPT; |
| 1012 | else if ( familyStr == "swiss" ) |
| 1013 | family = wxFONTFAMILY_SWISS; |
| 1014 | else if ( familyStr == "modern" ) |
| 1015 | family = wxFONTFAMILY_MODERN; |
| 1016 | else if ( familyStr == "teletype" ) |
| 1017 | family = wxFONTFAMILY_TELETYPE; |
| 1018 | else |
| 1019 | return false; |
| 1020 | |
| 1021 | SetFamily(family); |
| 1022 | } |
| 1023 | // NB: the check on the facename is implemented in wxFontBase::SetFaceName |
| 1024 | // and not in wxNativeFontInfo::SetFaceName thus we need to explicitly |
| 1025 | // call here wxFontEnumerator::IsValidFacename |
| 1026 | else if ( |
| 1027 | #if wxUSE_FONTENUM |
| 1028 | !wxFontEnumerator::IsValidFacename(face) || |
| 1029 | #endif // wxUSE_FONTENUM |
| 1030 | !SetFaceName(face) ) |
| 1031 | { |
| 1032 | SetFaceName(wxNORMAL_FONT->GetFaceName()); |
| 1033 | } |
| 1034 | |
| 1035 | face.clear(); |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | // we might not have flushed it inside the loop |
| 1040 | if ( !face.empty() ) |
| 1041 | { |
| 1042 | // NB: the check on the facename is implemented in wxFontBase::SetFaceName |
| 1043 | // and not in wxNativeFontInfo::SetFaceName thus we need to explicitly |
| 1044 | // call here wxFontEnumerator::IsValidFacename |
| 1045 | if ( |
| 1046 | #if wxUSE_FONTENUM |
| 1047 | !wxFontEnumerator::IsValidFacename(face) || |
| 1048 | #endif // wxUSE_FONTENUM |
| 1049 | !SetFaceName(face) ) |
| 1050 | { |
| 1051 | SetFaceName(wxNORMAL_FONT->GetFaceName()); |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | // set point size to default value if size was not given |
| 1056 | if ( !pointsizefound ) |
| 1057 | SetPointSize(wxNORMAL_FONT->GetPointSize()); |
| 1058 | |
| 1059 | // set font weight to default value if weight was not given |
| 1060 | if ( !weightfound ) |
| 1061 | SetWeight(wxFONTWEIGHT_NORMAL); |
| 1062 | |
| 1063 | #if wxUSE_FONTMAP |
| 1064 | // set font encoding to default value if encoding was not given |
| 1065 | if ( !encodingfound ) |
| 1066 | SetEncoding(wxFONTENCODING_SYSTEM); |
| 1067 | #endif // wxUSE_FONTMAP |
| 1068 | |
| 1069 | return true; |
| 1070 | } |
| 1071 | |
| 1072 | #endif // generic or wxMSW or wxOS2 |
| 1073 | |
| 1074 | |
| 1075 | // wxFont <-> wxString utilities, used by wxConfig |
| 1076 | wxString wxToString(const wxFontBase& font) |
| 1077 | { |
| 1078 | return font.IsOk() ? font.GetNativeFontInfoDesc() |
| 1079 | : wxString(); |
| 1080 | } |
| 1081 | |
| 1082 | bool wxFromString(const wxString& str, wxFontBase *font) |
| 1083 | { |
| 1084 | wxCHECK_MSG( font, false, wxT("NULL output parameter") ); |
| 1085 | |
| 1086 | if ( str.empty() ) |
| 1087 | { |
| 1088 | *font = wxNullFont; |
| 1089 | return true; |
| 1090 | } |
| 1091 | |
| 1092 | return font->SetNativeFontInfo(str); |
| 1093 | } |
| 1094 | |
| 1095 | |