qplatformfontdatabase.cpp

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6-
7void qt_registerFont(const QString &familyname, const QString &stylename,-
8 const QString &foundryname, int weight,-
9 QFont::Style style, int stretch, bool antialiased,-
10 bool scalable, int pixelSize, bool fixedPitch,-
11 const QSupportedWritingSystems &writingSystems, void *hanlde);-
12-
13void qt_registerFontFamily(const QString &familyName);-
14void qt_registerAliasToFontFamily(const QString &familyName, const QString &alias);-
15void QPlatformFontDatabase::registerQPF2Font(const QByteArray &dataArray, void *handle)-
16{-
17 if (dataArray.size() == 0
dataArray.size() == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
18 return;
never executed: return;
0
19-
20 const uchar *data = reinterpret_cast<const uchar *>(dataArray.constData());-
21 if (QFontEngineQPF2::verifyHeader(data, dataArray.size())
QFontEngineQPF...aArray.size())Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
22 QString fontName = QFontEngineQPF2::extractHeaderField(data, QFontEngineQPF2::Tag_FontName).toString();-
23 int pixelSize = QFontEngineQPF2::extractHeaderField(data, QFontEngineQPF2::Tag_PixelSize).toInt();-
24 QVariant weight = QFontEngineQPF2::extractHeaderField(data, QFontEngineQPF2::Tag_Weight);-
25 QVariant style = QFontEngineQPF2::extractHeaderField(data, QFontEngineQPF2::Tag_Style);-
26 QByteArray writingSystemBits = QFontEngineQPF2::extractHeaderField(data, QFontEngineQPF2::Tag_WritingSystems).toByteArray();-
27-
28 if (!fontName.isEmpty()
!fontName.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
 && pixelSize
pixelSizeDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
29 QFont::Weight fontWeight = QFont::Normal;-
30 if (weight.type() == QVariant::Int
weight.type() == QVariant::IntDescription
TRUEnever evaluated
FALSEnever evaluated
 || weight.type() == QVariant::UInt
weight.type() ...QVariant::UIntDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
31 fontWeight = QFont::Weight(weight.toInt());
never executed: fontWeight = QFont::Weight(weight.toInt());
0
32-
33 QFont::Style fontStyle = static_cast<QFont::Style>(style.toInt());-
34-
35 QSupportedWritingSystems writingSystems;-
36 for (int i = 0; i < writingSystemBits.count()
i < writingSystemBits.count()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
37 uchar currentByte = writingSystemBits.at(i);-
38 for (int j = 0; j < 8
j < 8Description
TRUEnever evaluated
FALSEnever evaluated
; ++j) {		0
39 if (currentByte & 1
currentByte & 1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
40 writingSystems.setSupported(QFontDatabase::WritingSystem(i * 8 + j));
never executed: writingSystems.setSupported(QFontDatabase::WritingSystem(i * 8 + j));
0
41 currentByte >>= 1;-
42 }
never executed: end of block
0
43 }
never executed: end of block
0
44 QFont::Stretch stretch = QFont::Unstretched;-
45 registerFont(fontName,QString(),QString(),fontWeight,fontStyle,stretch,true,false,pixelSize,false,writingSystems,handle);-
46 }
never executed: end of block
0
47 }
never executed: end of block
 else {		0
48 QMessageLogger(__FILE__, 97103, __PRETTY_FUNCTION__).debug() << ("header verification of QPF2 font failed. maybe it is corrupt?";);-
49 }
never executed: end of block
0
50}-
51void QPlatformFontDatabase::registerFont(const QString &familyname, const QString &stylename,-
52 const QString &foundryname, QFont::Weight weight,-
53 QFont::Style style, QFont::Stretch stretch, bool antialiased,-
54 bool scalable, int pixelSize, bool fixedPitch,-
55 const QSupportedWritingSystems &writingSystems, void *usrPtr)-
56{-
57 if (scalable)-
58 pixelSize = 0;-
59-
60 qt_registerFont(familyname, stylename, foundryname, weight, style,-
61 stretch, antialiased, scalable, pixelSize,-
62 fixedPitch, writingSystems, usrPtr);-
63}-
64void QPlatformFontDatabase::registerFontFamily(const QString &familyName)-
65{-
66 qt_registerFontFamily(familyName);-
67}-
68-
69class QWritingSystemsPrivate-
70{-
71public:-
72 QWritingSystemsPrivate()-
73 : ref(1)-
74 , vector(QFontDatabase::WritingSystemsCount,false)-
75 {-
76 }-
77-
78 QWritingSystemsPrivate(const QWritingSystemsPrivate *other)-
79 : ref(1)-
80 , vector(other->vector)-
81 {-
82 }-
83-
84 QAtomicInt ref;-
85 QVector<bool> vector;-
86};-
87-
88-
89-
90-
91QSupportedWritingSystems::QSupportedWritingSystems()-
92{-
93 d = new QWritingSystemsPrivate;-
94}-
95-
96-
97-
98-
99QSupportedWritingSystems::QSupportedWritingSystems(const QSupportedWritingSystems &other)-
100{-
101 d = other.d;-
102 d->ref.ref();-
103}-
104-
105-
106-
107-
108QSupportedWritingSystems &QSupportedWritingSystems::operator=(const QSupportedWritingSystems &other)-
109{-
110 if (d != other.d) {-
111 other.d->ref.ref();-
112 if (!d->ref.deref())-
113 delete d;-
114 d = other.d;-
115 }-
116 return *this;-
117}-
118-
119-
120-
121-
122QSupportedWritingSystems::~QSupportedWritingSystems()-
123{-
124 if (!d->ref.deref())-
125 delete d;-
126}-
127-
128-
129-
130-
131void QSupportedWritingSystems::detach()-
132{-
133 if (d->ref.load() != 1) {-
134 QWritingSystemsPrivate *newd = new QWritingSystemsPrivate(d);-
135 if (!d->ref.deref())-
136 delete d;-
137 d = newd;-
138 }-
139}-
140-
141-
142-
143-
144-
145void QSupportedWritingSystems::setSupported(QFontDatabase::WritingSystem writingSystem, bool support)-
146{-
147 detach();-
148 d->vector[writingSystem] = support;-
149}-
150-
151-
152-
153-
154-
155bool QSupportedWritingSystems::supported(QFontDatabase::WritingSystem writingSystem) const-
156{-
157 return d->vector.at(writingSystem);-
158}-
159QPlatformFontDatabase::~QPlatformFontDatabase()-
160{-
161}-
162void QPlatformFontDatabase::populateFontDatabase()-
163{-
164 QString fontpath = fontDir();-
165 if(!QFile::exists(fontpath)) {-
166 QMessageLogger(__FILE__, 275281, __PRETTY_FUNCTION__).warning("QFontDatabase: Cannot find font directory '%s' - is Qt installed correctly?",-
167 QString(QDir::toNativeSeparators(fontpath)).toLocal8Bit().constData());-
168 return;-
169 }-
170-
171 QDir dir(fontpath);-
172 dir.setNameFilters(QStringList() << QLatin1String("*.qpf2"));-
173 dir.refresh();-
174 for (int i = 0; i < int(dir.count()); ++i) {-
175 const QByteArray fileName = QFile::encodeName(dir.absoluteFilePath(dir[i]));-
176 QFile file(QString::fromLocal8Bit(fileName));-
177 if (file.open(QFile::ReadOnly)) {-
178 const QByteArray fileData = file.readAll();-
179 QByteArray *fileDataPtr = new QByteArray(fileData);-
180 registerQPF2Font(fileData, fileDataPtr);-
181 }-
182 }-
183}-
184void QPlatformFontDatabase::populateFamily(const QString &familyName)-
185{-
186 (void)familyName;;-
187}-
188-
189-
190-
191-
192-
193-
194-
195void QPlatformFontDatabase::invalidate()-
196{-
197}-
198-
199-
200-
201-
202-
203-
204QFontEngineMulti *QPlatformFontDatabase::fontEngineMulti(QFontEngine *fontEngine, QChar::Script script)-
205{-
206 return new QFontEngineMulti(fontEngine, script);-
207}-
208-
209-
210-
211-
212-
213QFontEngine *QPlatformFontDatabase::fontEngine(const QFontDef &fontDef, void *handle)-
214{-
215 QByteArray *fileDataPtr = static_cast<QByteArray *>(handle);-
216 QFontEngineQPF2 *engine = new QFontEngineQPF2(fontDef,*fileDataPtr);-
217-
218 return engine;-
219}-
220-
221QFontEngine *QPlatformFontDatabase::fontEngine(const QByteArray &fontData, qreal pixelSize,-
222 QFont::HintingPreference hintingPreference)-
223{-
224 (void)fontData;;-
225 (void)pixelSize;;-
226 (void)hintingPreference;;-
227 QMessageLogger(__FILE__, 344350, __PRETTY_FUNCTION__).warning("This plugin does not support font engines created directly from font data");-
228 return 0;-
229}-
230QStringList QPlatformFontDatabase::addApplicationFont(const QByteArray &fontData, const QString &fileName)-
231{-
232 (void)fontData;;-
233 (void)fileName;;-
234-
235 QMessageLogger(__FILE__, 373379, __PRETTY_FUNCTION__).warning("This plugin does not support application fonts");-
236 return QStringList();-
237}-
238-
239-
240-
241-
242void QPlatformFontDatabase::releaseHandle(void *handle)-
243{-
244 QByteArray *fileDataPtr = static_cast<QByteArray *>(handle);-
245 delete fileDataPtr;-
246}-
247-
248-
249-
250-
251QString QPlatformFontDatabase::fontDir() const-
252{-
253 QString fontpath = QString::fromLocal8Bit(qgetenv("QT_QPA_FONTDIR"));-
254 if (fontpath.isEmpty()) {-
255 fontpath = QLibraryInfo::location(QLibraryInfo::LibrariesPath);-
256 fontpath += QLatin1String("/fonts");-
257 }-
258-
259 return fontpath;-
260}-
261-
262-
263-
264-
265-
266bool QPlatformFontDatabase::isPrivateFontFamily(const QString &family) const-
267{-
268 (void)family;;-
269 return false;-
270}-
271QFont QPlatformFontDatabase::defaultFont() const-
272{-
273 return QFont(QLatin1String("Helvetica"));-
274}-
275-
276-
277-
278-
279-
280-
281-
282QString qt_resolveFontFamilyAlias(const QString &alias);-
283-
284QString QPlatformFontDatabase::resolveFontFamilyAlias(const QString &family) const-
285{-
286 return qt_resolveFontFamilyAlias(family);-
287}-
288bool QPlatformFontDatabase::fontsAlwaysScalable() const-
289{-
290 return false;-
291}-
292-
293-
294-
295-
296-
297-
298-
299 QList<int> QPlatformFontDatabase::standardSizes() const-
300{-
301 QList<int> ret;-
302 static const quint8 standard[] =-
303 { 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, 72 };-
304 static const int num_standards = int(sizeof standard / sizeof *standard);-
305 ret.reserve(num_standards);-
306 std::copy(standard, standard + num_standards, std::back_inserter(ret));-
307 return ret;-
308}-
309-
310QFontEngine::SubpixelAntialiasingType QPlatformFontDatabase::subpixelAntialiasingTypeHint() const-
311{-
312 static int type = -1;-
313 if (type == -1) {-
314 if (QScreen *screen = QGuiApplication::primaryScreen())-
315 type = screen->handle()->subpixelAntialiasingTypeHint();-
316 }-
317 return static_cast<QFontEngine::SubpixelAntialiasingType>(type);-
318}-
319-
320-
321-
322-
323static const quint8 requiredUnicodeBits[QFontDatabase::WritingSystemsCount][2] = {-
324 { 127, 127 },-
325 { 0, 127 },-
326 { 7, 127 },-
327 { 9, 127 },-
328 { 10, 127 },-
329 { 11, 127 },-
330 { 13, 127 },-
331 { 71, 127 },-
332 { 72, 127 },-
333 { 15, 127 },-
334 { 16, 127 },-
335 { 17, 127 },-
336 { 18, 127 },-
337 { 19, 127 },-
338 { 20, 127 },-
339 { 21, 127 },-
340 { 22, 127 },-
341 { 23, 127 },-
342 { 73, 127 },-
343 { 24, 127 },-
344 { 25, 127 },-
345 { 70, 127 },-
346 { 74, 127 },-
347 { 26, 127 },-
348 { 80, 127 },-
349 { 126, 127 },-
350 { 126, 127 },-
351 { 126, 127 },-
352 { 56, 127 },-
353 { 0, 127 },-
354 { 126, 127 },-
355 { 78, 127 },-
356 { 79, 127 },-
357 { 14, 127 },-
358};-
359-
360enum CsbBits {-
361 Latin1CsbBit = 0,-
362 CentralEuropeCsbBit = 1,-
363 TurkishCsbBit = 4,-
364 BalticCsbBit = 7,-
365 CyrillicCsbBit = 2,-
366 GreekCsbBit = 3,-
367 HebrewCsbBit = 5,-
368 ArabicCsbBit = 6,-
369 VietnameseCsbBit = 8,-
370 SimplifiedChineseCsbBit = 18,-
371 TraditionalChineseCsbBit = 20,-
372 ThaiCsbBit = 16,-
373 JapaneseCsbBit = 17,-
374 KoreanCsbBit = 19,-
375 KoreanJohabCsbBit = 21,-
376 SymbolCsbBit = 31-
377};-
378-
379-
380-
381-
382-
383-
384-
385QSupportedWritingSystems QPlatformFontDatabase::writingSystemsFromTrueTypeBits(quint32 unicodeRange[4], quint32 codePageRange[2])-
386{-
387 QSupportedWritingSystems writingSystems;-
388-
389 bool hasScript = false;-
390 for (int i = 0; i < QFontDatabase::WritingSystemsCount; ++i) {-
391 int bit = requiredUnicodeBits[i][0];-
392 int index = bit/32;-
393 int flag = 1 << (bit&31);-
394 if (bit != 126 && (unicodeRange[index] & flag)) {-
395 bit = requiredUnicodeBits[i][1];-
396 index = bit/32;-
397-
398 flag = 1 << (bit&31);-
399 if (bit == 127 || (unicodeRange[index] & flag)) {-
400 writingSystems.setSupported(QFontDatabase::WritingSystem(i));-
401 hasScript = true;-
402-
403 }-
404 }-
405 }-
406 if (codePageRange[0] & ((1 << Latin1CsbBit) | (1 << CentralEuropeCsbBit) | (1 << TurkishCsbBit) | (1 << BalticCsbBit))) {-
407 writingSystems.setSupported(QFontDatabase::Latin);-
408 hasScript = true;-
409-
410 }-
411 if (codePageRange[0] & (1 << CyrillicCsbBit)) {-
412 writingSystems.setSupported(QFontDatabase::Cyrillic);-
413 hasScript = true;-
414-
415 }-
416 if (codePageRange[0] & (1 << GreekCsbBit)) {-
417 writingSystems.setSupported(QFontDatabase::Greek);-
418 hasScript = true;-
419-
420 }-
421 if (codePageRange[0] & (1 << HebrewCsbBit)) {-
422 writingSystems.setSupported(QFontDatabase::Hebrew);-
423 hasScript = true;-
424-
425 }-
426 if (codePageRange[0] & (1 << ArabicCsbBit)) {-
427 writingSystems.setSupported(QFontDatabase::Arabic);-
428 hasScript = true;-
429-
430 }-
431 if (codePageRange[0] & (1 << ThaiCsbBit)) {-
432 writingSystems.setSupported(QFontDatabase::Thai);-
433 hasScript = true;-
434-
435 }-
436 if (codePageRange[0] & (1 << VietnameseCsbBit)) {-
437 writingSystems.setSupported(QFontDatabase::Vietnamese);-
438 hasScript = true;-
439-
440 }-
441 if (codePageRange[0] & (1 << SimplifiedChineseCsbBit)) {-
442 writingSystems.setSupported(QFontDatabase::SimplifiedChinese);-
443 hasScript = true;-
444-
445 }-
446 if (codePageRange[0] & (1 << TraditionalChineseCsbBit)) {-
447 writingSystems.setSupported(QFontDatabase::TraditionalChinese);-
448 hasScript = true;-
449-
450 }-
451 if (codePageRange[0] & (1 << JapaneseCsbBit)) {-
452 writingSystems.setSupported(QFontDatabase::Japanese);-
453 hasScript = true;-
454-
455 }-
456 if (codePageRange[0] & ((1 << KoreanCsbBit) | (1 << KoreanJohabCsbBit))) {-
457 writingSystems.setSupported(QFontDatabase::Korean);-
458 hasScript = true;-
459-
460 }-
461 if (codePageRange[0] & (1U << SymbolCsbBit)) {-
462 writingSystems = QSupportedWritingSystems();-
463 hasScript = false;-
464 }-
465-
466 if (!hasScript)-
467 writingSystems.setSupported(QFontDatabase::Symbol);-
468-
469 return writingSystems;-
470}-
471QFont::Weight QPlatformFontDatabase::weightFromInteger(int weight)-
472{-
473 if (weight < 150)-
474 return QFont::Thin;-
475 if (weight < 250)-
476 return QFont::ExtraLight;-
477 if (weight < 350)-
478 return QFont::Light;-
479 if (weight < 450)-
480 return QFont::Normal;-
481 if (weight < 550)-
482 return QFont::Medium;-
483 if (weight < 650)-
484 return QFont::DemiBold;-
485 if (weight < 750)-
486 return QFont::Bold;-
487 if (weight < 850)-
488 return QFont::ExtraBold;-
489 return QFont::Black;-
490}-
491-
492-
493-
494-
495-
496-
497-
498void QPlatformFontDatabase::registerAliasToFontFamily(const QString &familyName, const QString &alias)-
499{-
500 qt_registerAliasToFontFamily(familyName, alias);-
501}-
502-
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