text/qfontengine_qpa.cpp

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8 -
9static QFontEngineQPA::TagType tagTypes[QFontEngineQPA::NumTags] = { -
10 QFontEngineQPA::StringType, -
11 QFontEngineQPA::StringType, -
12 QFontEngineQPA::UInt32Type, -
13 QFontEngineQPA::UInt32Type, -
14 QFontEngineQPA::StringType, -
15 QFontEngineQPA::FixedType, -
16 QFontEngineQPA::FixedType, -
17 QFontEngineQPA::FixedType, -
18 QFontEngineQPA::FixedType, -
19 QFontEngineQPA::FixedType, -
20 QFontEngineQPA::FixedType, -
21 QFontEngineQPA::FixedType, -
22 QFontEngineQPA::FixedType, -
23 QFontEngineQPA::FixedType, -
24 QFontEngineQPA::FixedType, -
25 QFontEngineQPA::UInt8Type, -
26 QFontEngineQPA::UInt8Type, -
27 QFontEngineQPA::UInt8Type, -
28 QFontEngineQPA::UInt8Type, -
29 QFontEngineQPA::StringType, -
30 QFontEngineQPA::BitFieldType -
31}; -
32template <typename T> -
33T readValue(const uchar *&data) -
34{ -
35 T value = qFromBigEndian<T>(data); -
36 data += sizeof(T); -
37 return value;
never executed: return value;
0
38} -
39static inline const uchar *verifyTag(const uchar *tagPtr, const uchar *endPtr) -
40{ -
41 quint16 tag, length; -
42 if (tagPtr + sizeof(quint16) > endPtr) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 122, __PRETTY_FUNCTION__).debug() << "read verify failed in line" << 122; return 0; } tag = qFromBigEndian<quint16>(tagPtr); if (0) QMessageLogger("text/qfontengine_qpa.cpp", 122, __PRETTY_FUNCTION__).debug() << "read value" << tag << "of type " "quint16"; tagPtr += sizeof(quint16);
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 122, __PRETTY_FUNCTION__).debug() << "read verify failed in line" << 122;
never evaluated: tagPtr + sizeof(quint16) > endPtr
never evaluated: 0
never evaluated: 0
never executed: return 0;
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 122, __PRETTY_FUNCTION__).debug() << "read value" << tag << "of type " "quint16";
0
43 if (tagPtr + sizeof(quint16) > endPtr) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 123, __PRETTY_FUNCTION__).debug() << "read verify failed in line" << 123; return 0; } length = qFromBigEndian<quint16>(tagPtr); if (0) QMessageLogger("text/qfontengine_qpa.cpp", 123, __PRETTY_FUNCTION__).debug() << "read value" << length << "of type " "quint16"; tagPtr += sizeof(quint16);
never evaluated: tagPtr + sizeof(quint16) > endPtr
never evaluated: 0
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 123, __PRETTY_FUNCTION__).debug() << "read verify failed in line" << 123;
never executed: return 0;
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 123, __PRETTY_FUNCTION__).debug() << "read value" << length << "of type " "quint16";
0
44 if (tag == QFontEngineQPA::Tag_EndOfHeader)
never evaluated: tag == QFontEngineQPA::Tag_EndOfHeader
0
45 return endPtr;
never executed: return endPtr;
0
46 if (tag < QFontEngineQPA::NumTags) {
never evaluated: tag < QFontEngineQPA::NumTags
0
47 switch (tagTypes[tag]) { -
48 case QFontEngineQPA::BitFieldType: -
49 case QFontEngineQPA::StringType: -
50 -
51 break;
never executed: break;
0
52 case QFontEngineQPA::UInt32Type: -
53 if (!(length == sizeof(quint32))) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 133, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint32)" " failed in line" << 133 << "with tag" << tag; return 0; };
never executed: return 0;
never evaluated: !(length == sizeof(quint32))
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 133, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint32)" " failed in line" << 133 << "with tag" << tag;
0
54 break;
never executed: break;
0
55 case QFontEngineQPA::FixedType: -
56 if (!(length == sizeof(quint32))) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 136, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint32)" " failed in line" << 136 << "with tag" << tag; return 0; };
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 136, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint32)" " failed in line" << 136 << "with tag" << tag;
never executed: return 0;
never evaluated: !(length == sizeof(quint32))
never evaluated: 0
0
57 break;
never executed: break;
0
58 case QFontEngineQPA::UInt8Type: -
59 if (!(length == sizeof(quint8))) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 139, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint8)" " failed in line" << 139 << "with tag" << tag; return 0; };
never evaluated: !(length == sizeof(quint8))
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 139, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint8)" " failed in line" << 139 << "with tag" << tag;
never executed: return 0;
0
60 break;
never executed: break;
0
61 } -
62 -
63 -
64 -
65 -
66 -
67 -
68 }
never executed: }
0
69 return tagPtr + length;
never executed: return tagPtr + length;
0
70} -
71 -
72const QFontEngineQPA::Glyph *QFontEngineQPA::findGlyph(glyph_t g) const -
73{ -
74 if (!g || g >= glyphMapEntries)
never evaluated: !g
never evaluated: g >= glyphMapEntries
0
75 return 0;
never executed: return 0;
0
76 const quint32 *gmapPtr = reinterpret_cast<const quint32 *>(fontData + glyphMapOffset); -
77 quint32 glyphPos = qFromBigEndian<quint32>(gmapPtr[g]); -
78 if (glyphPos > glyphDataSize) {
never evaluated: glyphPos > glyphDataSize
0
79 if (glyphPos == 0xffffffff)
never evaluated: glyphPos == 0xffffffff
0
80 return 0;
never executed: return 0;
0
81 -
82 -
83 -
84 if (glyphPos > glyphDataSize)
never evaluated: glyphPos > glyphDataSize
0
85 return 0;
never executed: return 0;
0
86 }
never executed: }
0
87 return reinterpret_cast<const Glyph *>(fontData + glyphDataOffset + glyphPos);
never executed: return reinterpret_cast<const Glyph *>(fontData + glyphDataOffset + glyphPos);
0
88} -
89 -
90bool QFontEngineQPA::verifyHeader(const uchar *data, int size) -
91{ -
92 if (!(size >= int(sizeof(Header)))) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 172, __PRETTY_FUNCTION__).debug() << "condition " "size >= int(sizeof(Header))" " failed in line" << 172; return 0; };
never evaluated: !(size >= int(sizeof(Header)))
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 172, __PRETTY_FUNCTION__).debug() << "condition " "size >= int(sizeof(Header))" " failed in line" << 172;
never executed: return 0;
0
93 const Header *header = reinterpret_cast<const Header *>(data); -
94 if (header->magic[0] != 'Q'
never evaluated: header->magic[0] != 'Q'
0
95 || header->magic[1] != 'P'
never evaluated: header->magic[1] != 'P'
0
96 || header->magic[2] != 'F'
never evaluated: header->magic[2] != 'F'
0
97 || header->magic[3] != '2')
never evaluated: header->magic[3] != '2'
0
98 return false;
never executed: return false;
0
99 -
100 if (!(header->majorVersion <= CurrentMajorVersion)) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 180, __PRETTY_FUNCTION__).debug() << "condition " "header->majorVersion <= CurrentMajorVersion" " failed in line" << 180; return 0; };
never evaluated: !(header->majorVersion <= CurrentMajorVersion)
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 180, __PRETTY_FUNCTION__).debug() << "condition " "header->majorVersion <= CurrentMajorVersion" " failed in line" << 180;
never executed: return 0;
0
101 const quint16 dataSize = qFromBigEndian<quint16>(header->dataSize); -
102 if (!(size >= int(sizeof(Header)) + dataSize)) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 182, __PRETTY_FUNCTION__).debug() << "condition " "size >= int(sizeof(Header)) + dataSize" " failed in line" << 182; return 0; };
never evaluated: !(size >= int(sizeof(Header)) + dataSize)
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 182, __PRETTY_FUNCTION__).debug() << "condition " "size >= int(sizeof(Header)) + dataSize" " failed in line" << 182;
never executed: return 0;
0
103 -
104 const uchar *tagPtr = data + sizeof(Header); -
105 const uchar *tagEndPtr = tagPtr + dataSize; -
106 while (tagPtr < tagEndPtr - 3) {
never evaluated: tagPtr < tagEndPtr - 3
0
107 tagPtr = verifyTag(tagPtr, tagEndPtr); -
108 if (!(tagPtr)) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 188, __PRETTY_FUNCTION__).debug() << "condition " "tagPtr" " failed in line" << 188; return 0; };
never evaluated: !(tagPtr)
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 188, __PRETTY_FUNCTION__).debug() << "condition " "tagPtr" " failed in line" << 188;
never executed: return 0;
0
109 }
never executed: }
0
110 -
111 if (!(tagPtr <= tagEndPtr)) { if (0) QMessageLogger("text/qfontengine_qpa.cpp", 191, __PRETTY_FUNCTION__).debug() << "condition " "tagPtr <= tagEndPtr" " failed in line" << 191; return 0; };
never evaluated: !(tagPtr <= tagEndPtr)
never evaluated: 0
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 191, __PRETTY_FUNCTION__).debug() << "condition " "tagPtr <= tagEndPtr" " failed in line" << 191;
never executed: return 0;
0
112 return true;
never executed: return true;
0
113} -
114 -
115QVariant QFontEngineQPA::extractHeaderField(const uchar *data, HeaderTag requestedTag) -
116{ -
117 const Header *header = reinterpret_cast<const Header *>(data); -
118 const uchar *tagPtr = data + sizeof(Header); -
119 const uchar *endPtr = tagPtr + qFromBigEndian<quint16>(header->dataSize); -
120 while (tagPtr < endPtr - 3) {
never evaluated: tagPtr < endPtr - 3
0
121 quint16 tag = readValue<quint16>(tagPtr); -
122 quint16 length = readValue<quint16>(tagPtr); -
123 if (tag == requestedTag) {
never evaluated: tag == requestedTag
0
124 switch (tagTypes[requestedTag]) { -
125 case StringType: -
126 return QVariant(QString::fromUtf8(reinterpret_cast<const char *>(tagPtr), length));
never executed: return QVariant(QString::fromUtf8(reinterpret_cast<const char *>(tagPtr), length));
0
127 case UInt32Type: -
128 return QVariant(readValue<quint32>(tagPtr));
never executed: return QVariant(readValue<quint32>(tagPtr));
0
129 case UInt8Type: -
130 return QVariant(uint(*tagPtr));
never executed: return QVariant(uint(*tagPtr));
0
131 case FixedType: -
132 return QVariant(QFixed::fromFixed(readValue<quint32>(tagPtr)).toReal());
never executed: return QVariant(QFixed::fromFixed(readValue<quint32>(tagPtr)).toReal());
0
133 case BitFieldType: -
134 return QVariant(QByteArray(reinterpret_cast<const char *>(tagPtr), length));
never executed: return QVariant(QByteArray(reinterpret_cast<const char *>(tagPtr), length));
0
135 } -
136 return QVariant();
never executed: return QVariant();
0
137 } else if (tag == Tag_EndOfHeader) {
never evaluated: tag == Tag_EndOfHeader
0
138 break;
never executed: break;
0
139 } -
140 tagPtr += length; -
141 }
never executed: }
0
142 -
143 return QVariant();
never executed: return QVariant();
0
144} -
145 -
146 -
147 -
148static inline unsigned int getChar(const QChar *str, int &i, const int len) -
149{ -
150 uint ucs4 = str[i].unicode(); -
151 if (str[i].isHighSurrogate() && i < len-1 && str[i+1].isLowSurrogate()) {
never evaluated: str[i].isHighSurrogate()
never evaluated: i < len-1
never evaluated: str[i+1].isLowSurrogate()
0
152 ++i; -
153 ucs4 = QChar::surrogateToUcs4(ucs4, str[i].unicode()); -
154 }
never executed: }
0
155 return ucs4;
never executed: return ucs4;
0
156} -
157 -
158QFontEngineQPA::QFontEngineQPA(const QFontDef &def, const QByteArray &data) -
159 : fontData(reinterpret_cast<const uchar *>(data.constData())), dataSize(data.size()) -
160{ -
161 fontDef = def; -
162 cache_cost = 100; -
163 externalCMap = 0; -
164 cmapOffset = 0; -
165 cmapSize = 0; -
166 glyphMapOffset = 0; -
167 glyphMapEntries = 0; -
168 glyphDataOffset = 0; -
169 glyphDataSize = 0; -
170 kerning_pairs_loaded = false; -
171 readOnly = true; -
172 -
173 -
174 -
175 -
176 -
177 if (!verifyHeader(fontData, dataSize)) {
never evaluated: !verifyHeader(fontData, dataSize)
0
178 -
179 -
180 -
181 return;
never executed: return;
0
182 } -
183 -
184 const Header *header = reinterpret_cast<const Header *>(fontData); -
185 -
186 readOnly = (header->lock == 0xffffffff); -
187 -
188 const uchar *imgData = fontData + sizeof(Header) + qFromBigEndian<quint16>(header->dataSize); -
189 const uchar *endPtr = fontData + dataSize; -
190 while (imgData <= endPtr - 8) {
never evaluated: imgData <= endPtr - 8
0
191 quint16 blockTag = readValue<quint16>(imgData); -
192 imgData += 2; -
193 quint32 blockSize = readValue<quint32>(imgData); -
194 -
195 if (blockTag == CMapBlock) {
never evaluated: blockTag == CMapBlock
0
196 cmapOffset = imgData - fontData; -
197 cmapSize = blockSize; -
198 } else if (blockTag == GMapBlock) {
never evaluated: blockTag == GMapBlock
never executed: }
0
199 glyphMapOffset = imgData - fontData; -
200 glyphMapEntries = blockSize / 4; -
201 } else if (blockTag == GlyphBlock) {
never evaluated: blockTag == GlyphBlock
never executed: }
0
202 glyphDataOffset = imgData - fontData; -
203 glyphDataSize = blockSize; -
204 }
never executed: }
0
205 -
206 imgData += blockSize; -
207 }
never executed: }
0
208 -
209 face_id.filename = QFile::encodeName(extractHeaderField(fontData, Tag_FileName).toString()); -
210 face_id.index = extractHeaderField(fontData, Tag_FileIndex).toInt(); -
211 -
212 -
213 if (cmapOffset) {
never evaluated: cmapOffset
0
214 int tableSize = cmapSize; -
215 const uchar *cmapPtr = getCMap(fontData + cmapOffset, tableSize, &symbol, &cmapSize); -
216 if (cmapPtr)
never evaluated: cmapPtr
0
217 cmapOffset = cmapPtr - fontData;
never executed: cmapOffset = cmapPtr - fontData;
0
218 else -
219 cmapOffset = 0;
never executed: cmapOffset = 0;
0
220 } else if (externalCMap) {
never evaluated: externalCMap
0
221 int tableSize = cmapSize; -
222 externalCMap = getCMap(externalCMap, tableSize, &symbol, &cmapSize); -
223 }
never executed: }
0
224 -
225 -
226 if (glyphMapOffset) {
never evaluated: glyphMapOffset
0
227 const quint32 *gmapPtr = reinterpret_cast<const quint32 *>(fontData + glyphMapOffset); -
228 for (uint i = 0; i < glyphMapEntries; ++i) {
never evaluated: i < glyphMapEntries
0
229 quint32 glyphDataPos = qFromBigEndian<quint32>(gmapPtr[i]); -
230 if (glyphDataPos == 0xffffffff)
never evaluated: glyphDataPos == 0xffffffff
0
231 continue;
never executed: continue;
0
232 if (glyphDataPos >= glyphDataSize) {
never evaluated: glyphDataPos >= glyphDataSize
0
233 -
234 glyphMapOffset = 0; -
235 glyphMapEntries = 0; -
236 break;
never executed: break;
0
237 } -
238 }
never executed: }
0
239 }
never executed: }
0
240}
never executed: }
0
241 -
242QFontEngineQPA::~QFontEngineQPA() -
243{ -
244} -
245 -
246bool QFontEngineQPA::getSfntTableData(uint tag, uchar *buffer, uint *length) const -
247{ -
248 (void)tag;; -
249 (void)buffer;; -
250 *length = 0; -
251 return false;
never executed: return false;
0
252} -
253 -
254bool QFontEngineQPA::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QFontEngine::ShaperFlags flags) const -
255{ -
256 if (*nglyphs < len) {
never evaluated: *nglyphs < len
0
257 *nglyphs = len; -
258 return false;
never executed: return false;
0
259 } -
260 -
261 -
262 -
263 -
264 -
265 const uchar *cmap = externalCMap ? externalCMap : (fontData + cmapOffset);
never evaluated: externalCMap
0
266 -
267 bool mirrored = flags & QFontEngine::RightToLeft; -
268 int glyph_pos = 0; -
269 if (symbol) {
never evaluated: symbol
0
270 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
271 unsigned int uc = getChar(str, i, len); -
272 if (mirrored)
never evaluated: mirrored
0
273 uc = QChar::mirroredChar(uc);
never executed: uc = QChar::mirroredChar(uc);
0
274 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc); -
275 if(!glyphs->glyphs[glyph_pos] && uc < 0x100)
never evaluated: !glyphs->glyphs[glyph_pos]
never evaluated: uc < 0x100
0
276 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
never executed: glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
0
277 ++glyph_pos; -
278 }
never executed: }
0
279 } else {
never executed: }
0
280 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
281 unsigned int uc = getChar(str, i, len); -
282 if (mirrored)
never evaluated: mirrored
0
283 uc = QChar::mirroredChar(uc);
never executed: uc = QChar::mirroredChar(uc);
0
284 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc); -
285 -
286 -
287 -
288 -
289 -
290 -
291 -
292 ++glyph_pos; -
293 }
never executed: }
0
294 }
never executed: }
0
295 -
296 *nglyphs = glyph_pos; -
297 glyphs->numGlyphs = glyph_pos; -
298 -
299 if (!(flags & GlyphIndicesOnly))
never evaluated: !(flags & GlyphIndicesOnly)
0
300 recalcAdvances(glyphs, flags);
never executed: recalcAdvances(glyphs, flags);
0
301 -
302 return true;
never executed: return true;
0
303} -
304 -
305void QFontEngineQPA::recalcAdvances(QGlyphLayout *glyphs, QFontEngine::ShaperFlags) const -
306{ -
307 for (int i = 0; i < glyphs->numGlyphs; ++i) {
never evaluated: i < glyphs->numGlyphs
0
308 const Glyph *g = findGlyph(glyphs->glyphs[i]); -
309 if (!g) {
never evaluated: !g
0
310 glyphs->glyphs[i] = 0; -
311 continue;
never executed: continue;
0
312 } -
313 glyphs->advances_x[i] = g->advance; -
314 glyphs->advances_y[i] = 0; -
315 }
never executed: }
0
316}
never executed: }
0
317 -
318QImage QFontEngineQPA::alphaMapForGlyph(glyph_t g) -
319{ -
320 const Glyph *glyph = findGlyph(g); -
321 if (!glyph)
never evaluated: !glyph
0
322 return QImage();
never executed: return QImage();
0
323 -
324 const uchar *bits = ((const uchar *) glyph) + sizeof(Glyph); -
325 -
326 QImage image(bits,glyph->width, glyph->height, glyph->bytesPerLine, QImage::Format_Indexed8); -
327 -
328 return image;
never executed: return image;
0
329} -
330 -
331void QFontEngineQPA::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags) -
332{ -
333 addBitmapFontToPath(x, y, glyphs, path, flags); -
334}
never executed: }
0
335 -
336glyph_metrics_t QFontEngineQPA::boundingBox(const QGlyphLayout &glyphs) -
337{ -
338 glyph_metrics_t overall; -
339 -
340 overall.y = -ascent(); -
341 overall.height = ascent() + descent() + 1; -
342 -
343 QFixed ymax = 0; -
344 QFixed xmax = 0; -
345 for (int i = 0; i < glyphs.numGlyphs; i++) {
never evaluated: i < glyphs.numGlyphs
0
346 const Glyph *g = findGlyph(glyphs.glyphs[i]); -
347 if (!g)
never evaluated: !g
0
348 continue;
never executed: continue;
0
349 -
350 QFixed x = overall.xoff + glyphs.offsets[i].x + g->x; -
351 QFixed y = overall.yoff + glyphs.offsets[i].y + g->y; -
352 overall.x = qMin(overall.x, x); -
353 overall.y = qMin(overall.y, y); -
354 xmax = qMax(xmax, x + g->width); -
355 ymax = qMax(ymax, y + g->height); -
356 overall.xoff += g->advance; -
357 }
never executed: }
0
358 overall.height = qMax(overall.height, ymax - overall.y); -
359 overall.width = xmax - overall.x; -
360 -
361 return overall;
never executed: return overall;
0
362} -
363 -
364glyph_metrics_t QFontEngineQPA::boundingBox(glyph_t glyph) -
365{ -
366 glyph_metrics_t overall; -
367 const Glyph *g = findGlyph(glyph); -
368 if (!g)
never evaluated: !g
0
369 return overall;
never executed: return overall;
0
370 overall.x = g->x; -
371 overall.y = g->y; -
372 overall.width = g->width; -
373 overall.height = g->height; -
374 overall.xoff = g->advance; -
375 return overall;
never executed: return overall;
0
376} -
377 -
378QFixed QFontEngineQPA::ascent() const -
379{ -
380 return QFixed::fromReal(extractHeaderField(fontData, Tag_Ascent).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_Ascent).value<qreal>());
0
381} -
382 -
383QFixed QFontEngineQPA::descent() const -
384{ -
385 return QFixed::fromReal(extractHeaderField(fontData, Tag_Descent).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_Descent).value<qreal>());
0
386} -
387 -
388QFixed QFontEngineQPA::leading() const -
389{ -
390 return QFixed::fromReal(extractHeaderField(fontData, Tag_Leading).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_Leading).value<qreal>());
0
391} -
392 -
393qreal QFontEngineQPA::maxCharWidth() const -
394{ -
395 return extractHeaderField(fontData, Tag_MaxCharWidth).value<qreal>();
never executed: return extractHeaderField(fontData, Tag_MaxCharWidth).value<qreal>();
0
396} -
397 -
398qreal QFontEngineQPA::minLeftBearing() const -
399{ -
400 return extractHeaderField(fontData, Tag_MinLeftBearing).value<qreal>();
never executed: return extractHeaderField(fontData, Tag_MinLeftBearing).value<qreal>();
0
401} -
402 -
403qreal QFontEngineQPA::minRightBearing() const -
404{ -
405 return extractHeaderField(fontData, Tag_MinRightBearing).value<qreal>();
never executed: return extractHeaderField(fontData, Tag_MinRightBearing).value<qreal>();
0
406} -
407 -
408QFixed QFontEngineQPA::underlinePosition() const -
409{ -
410 return QFixed::fromReal(extractHeaderField(fontData, Tag_UnderlinePosition).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_UnderlinePosition).value<qreal>());
0
411} -
412 -
413QFixed QFontEngineQPA::lineThickness() const -
414{ -
415 return QFixed::fromReal(extractHeaderField(fontData, Tag_LineThickness).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_LineThickness).value<qreal>());
0
416} -
417 -
418QFontEngine::Type QFontEngineQPA::type() const -
419{ -
420 return QFontEngine::QPF2;
never executed: return QFontEngine::QPF2;
0
421} -
422 -
423bool QFontEngineQPA::canRender(const QChar *string, int len) -
424{ -
425 const uchar *cmap = externalCMap ? externalCMap : (fontData + cmapOffset);
never evaluated: externalCMap
0
426 -
427 if (symbol) {
never evaluated: symbol
0
428 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
429 unsigned int uc = getChar(string, i, len); -
430 glyph_t g = getTrueTypeGlyphIndex(cmap, uc); -
431 if(!g && uc < 0x100)
never evaluated: !g
never evaluated: uc < 0x100
0
432 g = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
never executed: g = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
0
433 if (!g)
never evaluated: !g
0
434 return false;
never executed: return false;
0
435 }
never executed: }
0
436 } else {
never executed: }
0
437 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
438 unsigned int uc = getChar(string, i, len); -
439 if (!getTrueTypeGlyphIndex(cmap, uc))
never evaluated: !getTrueTypeGlyphIndex(cmap, uc)
0
440 return false;
never executed: return false;
0
441 }
never executed: }
0
442 }
never executed: }
0
443 return true;
never executed: return true;
0
444} -
445 -
446bool QFontEngineQPA::isValid() const -
447{ -
448 return fontData && dataSize && (cmapOffset || externalCMap) 0
449 && glyphMapOffset && glyphDataOffset && glyphDataSize > 0;
never executed: return fontData && dataSize && (cmapOffset || externalCMap) && glyphMapOffset && glyphDataOffset && glyphDataSize > 0;
0
450} -
451 -
452void QPAGenerator::generate() -
453{ -
454 writeHeader(); -
455 writeGMap(); -
456 writeBlock(QFontEngineQPA::GlyphBlock, QByteArray()); -
457 -
458 dev->seek(4); -
459 writeUInt32(0); -
460}
never executed: }
0
461 -
462void QPAGenerator::writeHeader() -
463{ -
464 QFontEngineQPA::Header header; -
465 -
466 header.magic[0] = 'Q'; -
467 header.magic[1] = 'P'; -
468 header.magic[2] = 'F'; -
469 header.magic[3] = '2'; -
470 header.lock = 1; -
471 header.majorVersion = QFontEngineQPA::CurrentMajorVersion; -
472 header.minorVersion = QFontEngineQPA::CurrentMinorVersion; -
473 header.dataSize = 0; -
474 dev->write((const char *)&header, sizeof(header)); -
475 -
476 writeTaggedString(QFontEngineQPA::Tag_FontName, fe->fontDef.family.toUtf8()); -
477 -
478 QFontEngine::FaceId face = fe->faceId(); -
479 writeTaggedString(QFontEngineQPA::Tag_FileName, face.filename); -
480 writeTaggedUInt32(QFontEngineQPA::Tag_FileIndex, face.index); -
481 -
482 { -
483 uchar data[4]; -
484 uint len = 4; -
485 bool ok = fe->getSfntTableData(( (((quint32)('h')) << 24) | (((quint32)('e')) << 16) | (((quint32)('a')) << 8) | ((quint32)('d')) ), data, &len); -
486 if (ok) {
never evaluated: ok
0
487 const quint32 revision = qFromBigEndian<quint32>(data); -
488 writeTaggedUInt32(QFontEngineQPA::Tag_FontRevision, revision); -
489 }
never executed: }
0
490 } -
491 -
492 writeTaggedQFixed(QFontEngineQPA::Tag_Ascent, fe->ascent()); -
493 writeTaggedQFixed(QFontEngineQPA::Tag_Descent, fe->descent()); -
494 writeTaggedQFixed(QFontEngineQPA::Tag_Leading, fe->leading()); -
495 writeTaggedQFixed(QFontEngineQPA::Tag_XHeight, fe->xHeight()); -
496 writeTaggedQFixed(QFontEngineQPA::Tag_AverageCharWidth, fe->averageCharWidth()); -
497 writeTaggedQFixed(QFontEngineQPA::Tag_MaxCharWidth, QFixed::fromReal(fe->maxCharWidth())); -
498 writeTaggedQFixed(QFontEngineQPA::Tag_LineThickness, fe->lineThickness()); -
499 writeTaggedQFixed(QFontEngineQPA::Tag_MinLeftBearing, QFixed::fromReal(fe->minLeftBearing())); -
500 writeTaggedQFixed(QFontEngineQPA::Tag_MinRightBearing, QFixed::fromReal(fe->minRightBearing())); -
501 writeTaggedQFixed(QFontEngineQPA::Tag_UnderlinePosition, fe->underlinePosition()); -
502 writeTaggedUInt8(QFontEngineQPA::Tag_PixelSize, fe->fontDef.pixelSize); -
503 writeTaggedUInt8(QFontEngineQPA::Tag_Weight, fe->fontDef.weight); -
504 writeTaggedUInt8(QFontEngineQPA::Tag_Style, fe->fontDef.style); -
505 -
506 writeTaggedUInt8(QFontEngineQPA::Tag_GlyphFormat, QFontEngineQPA::AlphamapGlyphs); -
507 -
508 writeTaggedString(QFontEngineQPA::Tag_EndOfHeader, QByteArray()); -
509 align4(); -
510 -
511 const quint64 size = dev->pos(); -
512 header.dataSize = qToBigEndian<quint16>(size - sizeof(header)); -
513 dev->seek(0); -
514 dev->write((const char *)&header, sizeof(header)); -
515 dev->seek(size); -
516}
never executed: }
0
517 -
518void QPAGenerator::writeGMap() -
519{ -
520 const quint16 glyphCount = fe->glyphCount(); -
521 -
522 writeUInt16(QFontEngineQPA::GMapBlock); -
523 writeUInt16(0); -
524 writeUInt32(glyphCount * 4); -
525 -
526 QByteArray &buffer = dev->buffer(); -
527 const int numBytes = glyphCount * sizeof(quint32); -
528 qint64 pos = buffer.size(); -
529 buffer.resize(pos + numBytes); -
530 memset(buffer.data() + pos, 0xff, numBytes); -
531 dev->seek(pos + numBytes); -
532}
never executed: }
0
533 -
534void QPAGenerator::writeBlock(QFontEngineQPA::BlockTag tag, const QByteArray &data) -
535{ -
536 writeUInt16(tag); -
537 writeUInt16(0); -
538 const int padSize = ((data.size() + 3) / 4) * 4 - data.size(); -
539 writeUInt32(data.size() + padSize); -
540 dev->write(data); -
541 for (int i = 0; i < padSize; ++i)
never evaluated: i < padSize
0
542 writeUInt8(0);
never executed: writeUInt8(0);
0
543}
never executed: }
0
544 -
545void QPAGenerator::writeTaggedString(QFontEngineQPA::HeaderTag tag, const QByteArray &string) -
546{ -
547 writeUInt16(tag); -
548 writeUInt16(string.length()); -
549 dev->write(string); -
550}
never executed: }
0
551 -
552void QPAGenerator::writeTaggedUInt32(QFontEngineQPA::HeaderTag tag, quint32 value) -
553{ -
554 writeUInt16(tag); -
555 writeUInt16(sizeof(value)); -
556 writeUInt32(value); -
557}
never executed: }
0
558 -
559void QPAGenerator::writeTaggedUInt8(QFontEngineQPA::HeaderTag tag, quint8 value) -
560{ -
561 writeUInt16(tag); -
562 writeUInt16(sizeof(value)); -
563 writeUInt8(value); -
564}
never executed: }
0
565 -
566void QPAGenerator::writeTaggedQFixed(QFontEngineQPA::HeaderTag tag, QFixed value) -
567{ -
568 writeUInt16(tag); -
569 writeUInt16(sizeof(quint32)); -
570 writeUInt32(value.value()); -
571}
never executed: }
0
572 -
573 -
574 -
575 -
576 -
577 -
578 -
579QFontEngineMultiQPA::QFontEngineMultiQPA(QFontEngine *fe, int _script, const QStringList &fallbacks) -
580 : QFontEngineMulti(fallbacks.size() + 1), -
581 fallbackFamilies(fallbacks), script(_script) -
582 , fallbacksQueried(true) -
583{ -
584 init(fe); -
585}
never executed: }
0
586 -
587QFontEngineMultiQPA::QFontEngineMultiQPA(QFontEngine *fe, int _script) -
588 : QFontEngineMulti(2) -
589 , script(_script) -
590 , fallbacksQueried(false) -
591{ -
592 fallbackFamilies << QString(); -
593 init(fe); -
594}
executed: }
Execution Count:600
600
595 -
596void QFontEngineMultiQPA::init(QFontEngine *fe) -
597{ -
598 qt_noop(); -
599 engines[0] = fe; -
600 fe->ref.ref(); -
601 fontDef = engines[0]->fontDef; -
602 setObjectName(QString::fromUtf8("" "QFontEngineMultiQPA" "", sizeof("QFontEngineMultiQPA") - 1)); -
603}
executed: }
Execution Count:600
600
604 -
605void QFontEngineMultiQPA::loadEngine(int at) -
606{ -
607 ensureFallbackFamiliesQueried(); -
608 qt_noop(); -
609 qt_noop(); -
610 QFontDef request = fontDef; -
611 request.styleStrategy |= QFont::NoFontMerging; -
612 request.family = fallbackFamilies.at(at-1); -
613 engines[at] = QFontDatabase::findFont(script, -
614 0, -
615 request, false); -
616 qt_noop(); -
617 engines[at]->ref.ref(); -
618 engines[at]->fontDef = request; -
619}
executed: }
Execution Count:9
9
620void QFontEngineMultiQPA::ensureFallbackFamiliesQueried() -
621{ -
622 if (fallbacksQueried)
partially evaluated: fallbacksQueried
TRUEFALSE
yes
Evaluation Count:249027
no
Evaluation Count:0
0-249027
623 return;
executed: return;
Execution Count:249027
249027
624 QStringList fallbacks = QGuiApplicationPrivate::instance()->platformIntegration()->fontDatabase()->fallbacksForFamily(engine(0)->fontDef.family, QFont::Style(engine(0)->fontDef.style) -
625 , QFont::AnyStyle, QUnicodeTables::Script(script)); -
626 setFallbackFamiliesList(fallbacks); -
627}
never executed: }
0
628 -
629void QFontEngineMultiQPA::setFallbackFamiliesList(const QStringList &fallbacks) -
630{ -
631 -
632 QFontEngine *fe = engines[0]; -
633 fallbackFamilies = fallbacks; -
634 if (!fallbackFamilies.isEmpty()) {
partially evaluated: !fallbackFamilies.isEmpty()
TRUEFALSE
yes
Evaluation Count:600
no
Evaluation Count:0
0-600
635 engines.fill(0, fallbackFamilies.size() + 1); -
636 engines[0] = fe; -
637 } else {
executed: }
Execution Count:600
600
638 -
639 fallbackFamilies << fe->fontDef.family; -
640 engines[1] = fe; -
641 fe->ref.ref(); -
642 }
never executed: }
0
643 fallbacksQueried = true; -
644}
executed: }
Execution Count:600
600
645QFontEngine* QFontEngineMultiQPA::createMultiFontEngine(QFontEngine *fe, int script) -
646{ -
647 QFontEngine *engine = 0; -
648 QFontCache::Key key(fe->fontDef, script, true); -
649 QFontCache *fc = QFontCache::instance(); -
650 -
651 -
652 -
653 -
654 -
655 const bool faceIsLocal = !fe->faceId().filename.isEmpty(); -
656 QFontCache::EngineCache::Iterator it = fc->engineCache.find(key), -
657 end = fc->engineCache.end(); -
658 while (it != end && it.key() == key) {
never evaluated: it != end
never evaluated: it.key() == key
0
659 QFontEngineMulti *cachedEngine = qobject_cast<QFontEngineMulti *>(it.value().data); -
660 if (faceIsLocal || (cachedEngine && fe == cachedEngine->engine(0))) {
never evaluated: faceIsLocal
never evaluated: cachedEngine
never evaluated: fe == cachedEngine->engine(0)
0
661 engine = cachedEngine; -
662 fc->updateHitCountAndTimeStamp(it.value()); -
663 break;
never executed: break;
0
664 } -
665 it++; -
666 }
never executed: }
0
667 if (!engine) {
never evaluated: !engine
0
668 engine = QGuiApplicationPrivate::instance()->platformIntegration()->fontDatabase()->fontEngineMulti(fe, QUnicodeTables::Script(script)); -
669 QFontCache::instance()->insertEngine(key, engine, !faceIsLocal); -
670 }
never executed: }
0
671 qt_noop(); -
672 return engine;
never executed: return engine;
0
673} -
674 -
675 -
676 -
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