text/qfontengine_qpa.cpp

Source codeSwitch to Preprocessed file
LineSource CodeCoverage
1/**************************************************************************** -
2** -
3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
4** Contact: http://www.qt-project.org/legal -
5** -
6** This file is part of the QtGui module of the Qt Toolkit. -
7** -
8** $QT_BEGIN_LICENSE:LGPL$ -
9** Commercial License Usage -
10** Licensees holding valid commercial Qt licenses may use this file in -
11** accordance with the commercial license agreement provided with the -
12** Software or, alternatively, in accordance with the terms contained in -
13** a written agreement between you and Digia. For licensing terms and -
14** conditions see http://qt.digia.com/licensing. For further information -
15** use the contact form at http://qt.digia.com/contact-us. -
16** -
17** GNU Lesser General Public License Usage -
18** Alternatively, this file may be used under the terms of the GNU Lesser -
19** General Public License version 2.1 as published by the Free Software -
20** Foundation and appearing in the file LICENSE.LGPL included in the -
21** packaging of this file. Please review the following information to -
22** ensure the GNU Lesser General Public License version 2.1 requirements -
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -
24** -
25** In addition, as a special exception, Digia gives you certain additional -
26** rights. These rights are described in the Digia Qt LGPL Exception -
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -
28** -
29** GNU General Public License Usage -
30** Alternatively, this file may be used under the terms of the GNU -
31** General Public License version 3.0 as published by the Free Software -
32** Foundation and appearing in the file LICENSE.GPL included in the -
33** packaging of this file. Please review the following information to -
34** ensure the GNU General Public License version 3.0 requirements will be -
35** met: http://www.gnu.org/copyleft/gpl.html. -
36** -
37** -
38** $QT_END_LICENSE$ -
39** -
40****************************************************************************/ -
41 -
42#include "qfontengine_qpa_p.h" -
43 -
44#include <QtCore/QFile> -
45#include <QtCore/QFileInfo> -
46#include <QtCore/QDir> -
47#include <QtCore/QBuffer> -
48 -
49#include <QtGui/private/qpaintengine_raster_p.h> -
50#include <QtGui/private/qguiapplication_p.h> -
51#include <qpa/qplatformfontdatabase.h> -
52#include <qpa/qplatformintegration.h> -
53 -
54QT_BEGIN_NAMESPACE -
55 -
56//#define DEBUG_HEADER -
57//#define DEBUG_FONTENGINE -
58 -
59static QFontEngineQPA::TagType tagTypes[QFontEngineQPA::NumTags] = { -
60 QFontEngineQPA::StringType, // FontName -
61 QFontEngineQPA::StringType, // FileName -
62 QFontEngineQPA::UInt32Type, // FileIndex -
63 QFontEngineQPA::UInt32Type, // FontRevision -
64 QFontEngineQPA::StringType, // FreeText -
65 QFontEngineQPA::FixedType, // Ascent -
66 QFontEngineQPA::FixedType, // Descent -
67 QFontEngineQPA::FixedType, // Leading -
68 QFontEngineQPA::FixedType, // XHeight -
69 QFontEngineQPA::FixedType, // AverageCharWidth -
70 QFontEngineQPA::FixedType, // MaxCharWidth -
71 QFontEngineQPA::FixedType, // LineThickness -
72 QFontEngineQPA::FixedType, // MinLeftBearing -
73 QFontEngineQPA::FixedType, // MinRightBearing -
74 QFontEngineQPA::FixedType, // UnderlinePosition -
75 QFontEngineQPA::UInt8Type, // GlyphFormat -
76 QFontEngineQPA::UInt8Type, // PixelSize -
77 QFontEngineQPA::UInt8Type, // Weight -
78 QFontEngineQPA::UInt8Type, // Style -
79 QFontEngineQPA::StringType, // EndOfHeader -
80 QFontEngineQPA::BitFieldType// WritingSystems -
81}; -
82 -
83 -
84#if defined(DEBUG_HEADER) -
85# define DEBUG_VERIFY qDebug -
86#else -
87# define DEBUG_VERIFY if (0) qDebug -
88#endif -
89 -
90#define READ_VERIFY(type, variable) \ -
91 if (tagPtr + sizeof(type) > endPtr) { \ -
92 DEBUG_VERIFY() << "read verify failed in line" << __LINE__; \ -
93 return 0; \ -
94 } \ -
95 variable = qFromBigEndian<type>(tagPtr); \ -
96 DEBUG_VERIFY() << "read value" << variable << "of type " #type; \ -
97 tagPtr += sizeof(type) -
98 -
99template <typename T> -
100T readValue(const uchar *&data) -
101{ -
102 T value = qFromBigEndian<T>(data);
never executed (the execution status of this line is deduced): T value = qFromBigEndian<T>(data);
-
103 data += sizeof(T);
never executed (the execution status of this line is deduced): data += sizeof(T);
-
104 return value;
never executed: return value;
0
105} -
106 -
107#define VERIFY(condition) \ -
108 if (!(condition)) { \ -
109 DEBUG_VERIFY() << "condition " #condition " failed in line" << __LINE__; \ -
110 return 0; \ -
111 } -
112 -
113#define VERIFY_TAG(condition) \ -
114 if (!(condition)) { \ -
115 DEBUG_VERIFY() << "verifying tag condition " #condition " failed in line" << __LINE__ << "with tag" << tag; \ -
116 return 0; \ -
117 } -
118 -
119static inline const uchar *verifyTag(const uchar *tagPtr, const uchar *endPtr) -
120{ -
121 quint16 tag, length;
never executed (the execution status of this line is deduced): quint16 tag, length;
-
122 READ_VERIFY(quint16, tag);
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 122, __PRETTY_FUNCTION__).debug() << "read verify failed in line" << 122;
never executed: return 0;
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 122, __PRETTY_FUNCTION__).debug() << "read value" << tag << "of type " "quint16";
never evaluated: tagPtr + sizeof(quint16) > endPtr
never evaluated: 0
never evaluated: 0
0
123 READ_VERIFY(quint16, length);
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";
never evaluated: tagPtr + sizeof(quint16) > endPtr
never evaluated: 0
never evaluated: 0
0
124 if (tag == QFontEngineQPA::Tag_EndOfHeader)
never evaluated: tag == QFontEngineQPA::Tag_EndOfHeader
0
125 return endPtr;
never executed: return endPtr;
0
126 if (tag < QFontEngineQPA::NumTags) {
never evaluated: tag < QFontEngineQPA::NumTags
0
127 switch (tagTypes[tag]) { -
128 case QFontEngineQPA::BitFieldType: -
129 case QFontEngineQPA::StringType: -
130 // can't do anything... -
131 break;
never executed: break;
0
132 case QFontEngineQPA::UInt32Type: -
133 VERIFY_TAG(length == sizeof(quint32));
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 133, __PRETTY_FUNCTION__).debug() << "verifying tag condition " "length == sizeof(quint32)" " failed in line" << 133 << "with tag" << tag;
never executed: return 0;
never evaluated: !(length == sizeof(quint32))
never evaluated: 0
0
134 break;
never executed: break;
0
135 case QFontEngineQPA::FixedType: -
136 VERIFY_TAG(length == sizeof(quint32));
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
137 break;
never executed: break;
0
138 case QFontEngineQPA::UInt8Type: -
139 VERIFY_TAG(length == sizeof(quint8));
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;
never evaluated: !(length == sizeof(quint8))
never evaluated: 0
0
140 break;
never executed: break;
0
141 } -
142#if defined(DEBUG_HEADER) -
143 if (length == 1) -
144 qDebug() << "tag data" << hex << *tagPtr; -
145 else if (length == 4) -
146 qDebug() << "tag data" << hex << tagPtr[0] << tagPtr[1] << tagPtr[2] << tagPtr[3]; -
147#endif -
148 }
never executed: }
0
149 return tagPtr + length;
never executed: return tagPtr + length;
0
150} -
151 -
152const QFontEngineQPA::Glyph *QFontEngineQPA::findGlyph(glyph_t g) const -
153{ -
154 if (!g || g >= glyphMapEntries)
never evaluated: !g
never evaluated: g >= glyphMapEntries
0
155 return 0;
never executed: return 0;
0
156 const quint32 *gmapPtr = reinterpret_cast<const quint32 *>(fontData + glyphMapOffset);
never executed (the execution status of this line is deduced): const quint32 *gmapPtr = reinterpret_cast<const quint32 *>(fontData + glyphMapOffset);
-
157 quint32 glyphPos = qFromBigEndian<quint32>(gmapPtr[g]);
never executed (the execution status of this line is deduced): quint32 glyphPos = qFromBigEndian<quint32>(gmapPtr[g]);
-
158 if (glyphPos > glyphDataSize) {
never evaluated: glyphPos > glyphDataSize
0
159 if (glyphPos == 0xffffffff)
never evaluated: glyphPos == 0xffffffff
0
160 return 0;
never executed: return 0;
0
161#if defined(DEBUG_FONTENGINE) -
162 qDebug() << "glyph" << g << "outside of glyphData, remapping font file"; -
163#endif -
164 if (glyphPos > glyphDataSize)
never evaluated: glyphPos > glyphDataSize
0
165 return 0;
never executed: return 0;
0
166 }
never executed: }
0
167 return reinterpret_cast<const Glyph *>(fontData + glyphDataOffset + glyphPos);
never executed: return reinterpret_cast<const Glyph *>(fontData + glyphDataOffset + glyphPos);
0
168} -
169 -
170bool QFontEngineQPA::verifyHeader(const uchar *data, int size) -
171{ -
172 VERIFY(size >= int(sizeof(Header)));
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 172, __PRETTY_FUNCTION__).debug() << "condition " "size >= int(sizeof(Header))" " failed in line" << 172;
never executed: return 0;
never evaluated: !(size >= int(sizeof(Header)))
never evaluated: 0
0
173 const Header *header = reinterpret_cast<const Header *>(data);
never executed (the execution status of this line is deduced): const Header *header = reinterpret_cast<const Header *>(data);
-
174 if (header->magic[0] != 'Q'
never evaluated: header->magic[0] != 'Q'
0
175 || header->magic[1] != 'P'
never evaluated: header->magic[1] != 'P'
0
176 || header->magic[2] != 'F'
never evaluated: header->magic[2] != 'F'
0
177 || header->magic[3] != '2')
never evaluated: header->magic[3] != '2'
0
178 return false;
never executed: return false;
0
179 -
180 VERIFY(header->majorVersion <= CurrentMajorVersion);
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 180, __PRETTY_FUNCTION__).debug() << "condition " "header->majorVersion <= CurrentMajorVersion" " failed in line" << 180;
never executed: return 0;
never evaluated: !(header->majorVersion <= CurrentMajorVersion)
never evaluated: 0
0
181 const quint16 dataSize = qFromBigEndian<quint16>(header->dataSize);
never executed (the execution status of this line is deduced): const quint16 dataSize = qFromBigEndian<quint16>(header->dataSize);
-
182 VERIFY(size >= int(sizeof(Header)) + dataSize);
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;
never evaluated: !(size >= int(sizeof(Header)) + dataSize)
never evaluated: 0
0
183 -
184 const uchar *tagPtr = data + sizeof(Header);
never executed (the execution status of this line is deduced): const uchar *tagPtr = data + sizeof(Header);
-
185 const uchar *tagEndPtr = tagPtr + dataSize;
never executed (the execution status of this line is deduced): const uchar *tagEndPtr = tagPtr + dataSize;
-
186 while (tagPtr < tagEndPtr - 3) {
never evaluated: tagPtr < tagEndPtr - 3
0
187 tagPtr = verifyTag(tagPtr, tagEndPtr);
never executed (the execution status of this line is deduced): tagPtr = verifyTag(tagPtr, tagEndPtr);
-
188 VERIFY(tagPtr);
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 188, __PRETTY_FUNCTION__).debug() << "condition " "tagPtr" " failed in line" << 188;
never executed: return 0;
never evaluated: !(tagPtr)
never evaluated: 0
0
189 }
never executed: }
0
190 -
191 VERIFY(tagPtr <= tagEndPtr);
never executed: QMessageLogger("text/qfontengine_qpa.cpp", 191, __PRETTY_FUNCTION__).debug() << "condition " "tagPtr <= tagEndPtr" " failed in line" << 191;
never executed: return 0;
never evaluated: !(tagPtr <= tagEndPtr)
never evaluated: 0
0
192 return true;
never executed: return true;
0
193} -
194 -
195QVariant QFontEngineQPA::extractHeaderField(const uchar *data, HeaderTag requestedTag) -
196{ -
197 const Header *header = reinterpret_cast<const Header *>(data);
never executed (the execution status of this line is deduced): const Header *header = reinterpret_cast<const Header *>(data);
-
198 const uchar *tagPtr = data + sizeof(Header);
never executed (the execution status of this line is deduced): const uchar *tagPtr = data + sizeof(Header);
-
199 const uchar *endPtr = tagPtr + qFromBigEndian<quint16>(header->dataSize);
never executed (the execution status of this line is deduced): const uchar *endPtr = tagPtr + qFromBigEndian<quint16>(header->dataSize);
-
200 while (tagPtr < endPtr - 3) {
never evaluated: tagPtr < endPtr - 3
0
201 quint16 tag = readValue<quint16>(tagPtr);
never executed (the execution status of this line is deduced): quint16 tag = readValue<quint16>(tagPtr);
-
202 quint16 length = readValue<quint16>(tagPtr);
never executed (the execution status of this line is deduced): quint16 length = readValue<quint16>(tagPtr);
-
203 if (tag == requestedTag) {
never evaluated: tag == requestedTag
0
204 switch (tagTypes[requestedTag]) { -
205 case StringType: -
206 return QVariant(QString::fromUtf8(reinterpret_cast<const char *>(tagPtr), length));
never executed: return QVariant(QString::fromUtf8(reinterpret_cast<const char *>(tagPtr), length));
0
207 case UInt32Type: -
208 return QVariant(readValue<quint32>(tagPtr));
never executed: return QVariant(readValue<quint32>(tagPtr));
0
209 case UInt8Type: -
210 return QVariant(uint(*tagPtr));
never executed: return QVariant(uint(*tagPtr));
0
211 case FixedType: -
212 return QVariant(QFixed::fromFixed(readValue<quint32>(tagPtr)).toReal());
never executed: return QVariant(QFixed::fromFixed(readValue<quint32>(tagPtr)).toReal());
0
213 case BitFieldType: -
214 return QVariant(QByteArray(reinterpret_cast<const char *>(tagPtr), length));
never executed: return QVariant(QByteArray(reinterpret_cast<const char *>(tagPtr), length));
0
215 } -
216 return QVariant();
never executed: return QVariant();
0
217 } else if (tag == Tag_EndOfHeader) {
never evaluated: tag == Tag_EndOfHeader
0
218 break;
never executed: break;
0
219 } -
220 tagPtr += length;
never executed (the execution status of this line is deduced): tagPtr += length;
-
221 }
never executed: }
0
222 -
223 return QVariant();
never executed: return QVariant();
0
224} -
225 -
226 -
227 -
228static inline unsigned int getChar(const QChar *str, int &i, const int len) -
229{ -
230 uint ucs4 = str[i].unicode();
never executed (the execution status of this line is deduced): uint ucs4 = str[i].unicode();
-
231 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
232 ++i;
never executed (the execution status of this line is deduced): ++i;
-
233 ucs4 = QChar::surrogateToUcs4(ucs4, str[i].unicode());
never executed (the execution status of this line is deduced): ucs4 = QChar::surrogateToUcs4(ucs4, str[i].unicode());
-
234 }
never executed: }
0
235 return ucs4;
never executed: return ucs4;
0
236} -
237 -
238QFontEngineQPA::QFontEngineQPA(const QFontDef &def, const QByteArray &data) -
239 : fontData(reinterpret_cast<const uchar *>(data.constData())), dataSize(data.size()) -
240{ -
241 fontDef = def;
never executed (the execution status of this line is deduced): fontDef = def;
-
242 cache_cost = 100;
never executed (the execution status of this line is deduced): cache_cost = 100;
-
243 externalCMap = 0;
never executed (the execution status of this line is deduced): externalCMap = 0;
-
244 cmapOffset = 0;
never executed (the execution status of this line is deduced): cmapOffset = 0;
-
245 cmapSize = 0;
never executed (the execution status of this line is deduced): cmapSize = 0;
-
246 glyphMapOffset = 0;
never executed (the execution status of this line is deduced): glyphMapOffset = 0;
-
247 glyphMapEntries = 0;
never executed (the execution status of this line is deduced): glyphMapEntries = 0;
-
248 glyphDataOffset = 0;
never executed (the execution status of this line is deduced): glyphDataOffset = 0;
-
249 glyphDataSize = 0;
never executed (the execution status of this line is deduced): glyphDataSize = 0;
-
250 kerning_pairs_loaded = false;
never executed (the execution status of this line is deduced): kerning_pairs_loaded = false;
-
251 readOnly = true;
never executed (the execution status of this line is deduced): readOnly = true;
-
252 -
253#if defined(DEBUG_FONTENGINE) -
254 qDebug() << "QFontEngineQPA::QFontEngineQPA( fd =" << fd << ", renderingFontEngine =" << renderingFontEngine << ')'; -
255#endif -
256 -
257 if (!verifyHeader(fontData, dataSize)) {
never evaluated: !verifyHeader(fontData, dataSize)
0
258#if defined(DEBUG_FONTENGINE) -
259 qDebug() << "verifyHeader failed!"; -
260#endif -
261 return;
never executed: return;
0
262 } -
263 -
264 const Header *header = reinterpret_cast<const Header *>(fontData);
never executed (the execution status of this line is deduced): const Header *header = reinterpret_cast<const Header *>(fontData);
-
265 -
266 readOnly = (header->lock == 0xffffffff);
never executed (the execution status of this line is deduced): readOnly = (header->lock == 0xffffffff);
-
267 -
268 const uchar *imgData = fontData + sizeof(Header) + qFromBigEndian<quint16>(header->dataSize);
never executed (the execution status of this line is deduced): const uchar *imgData = fontData + sizeof(Header) + qFromBigEndian<quint16>(header->dataSize);
-
269 const uchar *endPtr = fontData + dataSize;
never executed (the execution status of this line is deduced): const uchar *endPtr = fontData + dataSize;
-
270 while (imgData <= endPtr - 8) {
never evaluated: imgData <= endPtr - 8
0
271 quint16 blockTag = readValue<quint16>(imgData);
never executed (the execution status of this line is deduced): quint16 blockTag = readValue<quint16>(imgData);
-
272 imgData += 2; // skip padding
never executed (the execution status of this line is deduced): imgData += 2;
-
273 quint32 blockSize = readValue<quint32>(imgData);
never executed (the execution status of this line is deduced): quint32 blockSize = readValue<quint32>(imgData);
-
274 -
275 if (blockTag == CMapBlock) {
never evaluated: blockTag == CMapBlock
0
276 cmapOffset = imgData - fontData;
never executed (the execution status of this line is deduced): cmapOffset = imgData - fontData;
-
277 cmapSize = blockSize;
never executed (the execution status of this line is deduced): cmapSize = blockSize;
-
278 } else if (blockTag == GMapBlock) {
never executed: }
never evaluated: blockTag == GMapBlock
0
279 glyphMapOffset = imgData - fontData;
never executed (the execution status of this line is deduced): glyphMapOffset = imgData - fontData;
-
280 glyphMapEntries = blockSize / 4;
never executed (the execution status of this line is deduced): glyphMapEntries = blockSize / 4;
-
281 } else if (blockTag == GlyphBlock) {
never executed: }
never evaluated: blockTag == GlyphBlock
0
282 glyphDataOffset = imgData - fontData;
never executed (the execution status of this line is deduced): glyphDataOffset = imgData - fontData;
-
283 glyphDataSize = blockSize;
never executed (the execution status of this line is deduced): glyphDataSize = blockSize;
-
284 }
never executed: }
0
285 -
286 imgData += blockSize;
never executed (the execution status of this line is deduced): imgData += blockSize;
-
287 }
never executed: }
0
288 -
289 face_id.filename = QFile::encodeName(extractHeaderField(fontData, Tag_FileName).toString());
never executed (the execution status of this line is deduced): face_id.filename = QFile::encodeName(extractHeaderField(fontData, Tag_FileName).toString());
-
290 face_id.index = extractHeaderField(fontData, Tag_FileIndex).toInt();
never executed (the execution status of this line is deduced): face_id.index = extractHeaderField(fontData, Tag_FileIndex).toInt();
-
291 -
292 // get the real cmap -
293 if (cmapOffset) {
never evaluated: cmapOffset
0
294 int tableSize = cmapSize;
never executed (the execution status of this line is deduced): int tableSize = cmapSize;
-
295 const uchar *cmapPtr = getCMap(fontData + cmapOffset, tableSize, &symbol, &cmapSize);
never executed (the execution status of this line is deduced): const uchar *cmapPtr = getCMap(fontData + cmapOffset, tableSize, &symbol, &cmapSize);
-
296 if (cmapPtr)
never evaluated: cmapPtr
0
297 cmapOffset = cmapPtr - fontData;
never executed: cmapOffset = cmapPtr - fontData;
0
298 else -
299 cmapOffset = 0;
never executed: cmapOffset = 0;
0
300 } else if (externalCMap) {
never evaluated: externalCMap
0
301 int tableSize = cmapSize;
never executed (the execution status of this line is deduced): int tableSize = cmapSize;
-
302 externalCMap = getCMap(externalCMap, tableSize, &symbol, &cmapSize);
never executed (the execution status of this line is deduced): externalCMap = getCMap(externalCMap, tableSize, &symbol, &cmapSize);
-
303 }
never executed: }
0
304 -
305 // verify all the positions in the glyphMap -
306 if (glyphMapOffset) {
never evaluated: glyphMapOffset
0
307 const quint32 *gmapPtr = reinterpret_cast<const quint32 *>(fontData + glyphMapOffset);
never executed (the execution status of this line is deduced): const quint32 *gmapPtr = reinterpret_cast<const quint32 *>(fontData + glyphMapOffset);
-
308 for (uint i = 0; i < glyphMapEntries; ++i) {
never evaluated: i < glyphMapEntries
0
309 quint32 glyphDataPos = qFromBigEndian<quint32>(gmapPtr[i]);
never executed (the execution status of this line is deduced): quint32 glyphDataPos = qFromBigEndian<quint32>(gmapPtr[i]);
-
310 if (glyphDataPos == 0xffffffff)
never evaluated: glyphDataPos == 0xffffffff
0
311 continue;
never executed: continue;
0
312 if (glyphDataPos >= glyphDataSize) {
never evaluated: glyphDataPos >= glyphDataSize
0
313 // error -
314 glyphMapOffset = 0;
never executed (the execution status of this line is deduced): glyphMapOffset = 0;
-
315 glyphMapEntries = 0;
never executed (the execution status of this line is deduced): glyphMapEntries = 0;
-
316 break;
never executed: break;
0
317 } -
318 }
never executed: }
0
319 }
never executed: }
0
320 -
321#if defined(DEBUG_FONTENGINE) -
322 if (!isValid()) -
323 qDebug() << "fontData" << fontData << "dataSize" << dataSize -
324 << "externalCMap" << externalCMap << "cmapOffset" << cmapOffset -
325 << "glyphMapOffset" << glyphMapOffset << "glyphDataOffset" << glyphDataOffset -
326 << "fd" << fd << "glyphDataSize" << glyphDataSize; -
327#endif -
328}
never executed: }
0
329 -
330QFontEngineQPA::~QFontEngineQPA() -
331{ -
332} -
333 -
334bool QFontEngineQPA::getSfntTableData(uint tag, uchar *buffer, uint *length) const -
335{ -
336 Q_UNUSED(tag);
never executed (the execution status of this line is deduced): (void)tag;;
-
337 Q_UNUSED(buffer);
never executed (the execution status of this line is deduced): (void)buffer;;
-
338 *length = 0;
never executed (the execution status of this line is deduced): *length = 0;
-
339 return false;
never executed: return false;
0
340} -
341 -
342bool QFontEngineQPA::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QFontEngine::ShaperFlags flags) const -
343{ -
344 if (*nglyphs < len) {
never evaluated: *nglyphs < len
0
345 *nglyphs = len;
never executed (the execution status of this line is deduced): *nglyphs = len;
-
346 return false;
never executed: return false;
0
347 } -
348 -
349#if defined(DEBUG_FONTENGINE) -
350 QSet<QChar> seenGlyphs; -
351#endif -
352 -
353 const uchar *cmap = externalCMap ? externalCMap : (fontData + cmapOffset);
never evaluated: externalCMap
0
354 -
355 bool mirrored = flags & QFontEngine::RightToLeft;
never executed (the execution status of this line is deduced): bool mirrored = flags & QFontEngine::RightToLeft;
-
356 int glyph_pos = 0;
never executed (the execution status of this line is deduced): int glyph_pos = 0;
-
357 if (symbol) {
never evaluated: symbol
0
358 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
359 unsigned int uc = getChar(str, i, len);
never executed (the execution status of this line is deduced): unsigned int uc = getChar(str, i, len);
-
360 if (mirrored)
never evaluated: mirrored
0
361 uc = QChar::mirroredChar(uc);
never executed: uc = QChar::mirroredChar(uc);
0
362 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
never executed (the execution status of this line is deduced): glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
-
363 if(!glyphs->glyphs[glyph_pos] && uc < 0x100)
never evaluated: !glyphs->glyphs[glyph_pos]
never evaluated: uc < 0x100
0
364 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
never executed: glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
0
365 ++glyph_pos;
never executed (the execution status of this line is deduced): ++glyph_pos;
-
366 }
never executed: }
0
367 } else {
never executed: }
0
368 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
369 unsigned int uc = getChar(str, i, len);
never executed (the execution status of this line is deduced): unsigned int uc = getChar(str, i, len);
-
370 if (mirrored)
never evaluated: mirrored
0
371 uc = QChar::mirroredChar(uc);
never executed: uc = QChar::mirroredChar(uc);
0
372 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
never executed (the execution status of this line is deduced): glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
-
373#if 0 && defined(DEBUG_FONTENGINE) -
374 QChar c(uc); -
375 if (!findGlyph(glyphs[glyph_pos].glyph) && !seenGlyphs.contains(c)) -
376 qDebug() << "glyph for character" << c << '/' << hex << uc << "is" << dec << glyphs[glyph_pos].glyph; -
377 -
378 seenGlyphs.insert(c); -
379#endif -
380 ++glyph_pos;
never executed (the execution status of this line is deduced): ++glyph_pos;
-
381 }
never executed: }
0
382 }
never executed: }
0
383 -
384 *nglyphs = glyph_pos;
never executed (the execution status of this line is deduced): *nglyphs = glyph_pos;
-
385 glyphs->numGlyphs = glyph_pos;
never executed (the execution status of this line is deduced): glyphs->numGlyphs = glyph_pos;
-
386 -
387 if (!(flags & GlyphIndicesOnly))
never evaluated: !(flags & GlyphIndicesOnly)
0
388 recalcAdvances(glyphs, flags);
never executed: recalcAdvances(glyphs, flags);
0
389 -
390 return true;
never executed: return true;
0
391} -
392 -
393void QFontEngineQPA::recalcAdvances(QGlyphLayout *glyphs, QFontEngine::ShaperFlags) const -
394{ -
395 for (int i = 0; i < glyphs->numGlyphs; ++i) {
never evaluated: i < glyphs->numGlyphs
0
396 const Glyph *g = findGlyph(glyphs->glyphs[i]);
never executed (the execution status of this line is deduced): const Glyph *g = findGlyph(glyphs->glyphs[i]);
-
397 if (!g) {
never evaluated: !g
0
398 glyphs->glyphs[i] = 0;
never executed (the execution status of this line is deduced): glyphs->glyphs[i] = 0;
-
399 continue;
never executed: continue;
0
400 } -
401 glyphs->advances_x[i] = g->advance;
never executed (the execution status of this line is deduced): glyphs->advances_x[i] = g->advance;
-
402 glyphs->advances_y[i] = 0;
never executed (the execution status of this line is deduced): glyphs->advances_y[i] = 0;
-
403 }
never executed: }
0
404}
never executed: }
0
405 -
406QImage QFontEngineQPA::alphaMapForGlyph(glyph_t g) -
407{ -
408 const Glyph *glyph = findGlyph(g);
never executed (the execution status of this line is deduced): const Glyph *glyph = findGlyph(g);
-
409 if (!glyph)
never evaluated: !glyph
0
410 return QImage();
never executed: return QImage();
0
411 -
412 const uchar *bits = ((const uchar *) glyph) + sizeof(Glyph);
never executed (the execution status of this line is deduced): const uchar *bits = ((const uchar *) glyph) + sizeof(Glyph);
-
413 -
414 QImage image(bits,glyph->width, glyph->height, glyph->bytesPerLine, QImage::Format_Indexed8);
never executed (the execution status of this line is deduced): QImage image(bits,glyph->width, glyph->height, glyph->bytesPerLine, QImage::Format_Indexed8);
-
415 -
416 return image;
never executed: return image;
0
417} -
418 -
419void QFontEngineQPA::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags) -
420{ -
421 addBitmapFontToPath(x, y, glyphs, path, flags);
never executed (the execution status of this line is deduced): addBitmapFontToPath(x, y, glyphs, path, flags);
-
422}
never executed: }
0
423 -
424glyph_metrics_t QFontEngineQPA::boundingBox(const QGlyphLayout &glyphs) -
425{ -
426 glyph_metrics_t overall;
never executed (the execution status of this line is deduced): glyph_metrics_t overall;
-
427 // initialize with line height, we get the same behaviour on all platforms -
428 overall.y = -ascent();
never executed (the execution status of this line is deduced): overall.y = -ascent();
-
429 overall.height = ascent() + descent() + 1;
never executed (the execution status of this line is deduced): overall.height = ascent() + descent() + 1;
-
430 -
431 QFixed ymax = 0;
never executed (the execution status of this line is deduced): QFixed ymax = 0;
-
432 QFixed xmax = 0;
never executed (the execution status of this line is deduced): QFixed xmax = 0;
-
433 for (int i = 0; i < glyphs.numGlyphs; i++) {
never evaluated: i < glyphs.numGlyphs
0
434 const Glyph *g = findGlyph(glyphs.glyphs[i]);
never executed (the execution status of this line is deduced): const Glyph *g = findGlyph(glyphs.glyphs[i]);
-
435 if (!g)
never evaluated: !g
0
436 continue;
never executed: continue;
0
437 -
438 QFixed x = overall.xoff + glyphs.offsets[i].x + g->x;
never executed (the execution status of this line is deduced): QFixed x = overall.xoff + glyphs.offsets[i].x + g->x;
-
439 QFixed y = overall.yoff + glyphs.offsets[i].y + g->y;
never executed (the execution status of this line is deduced): QFixed y = overall.yoff + glyphs.offsets[i].y + g->y;
-
440 overall.x = qMin(overall.x, x);
never executed (the execution status of this line is deduced): overall.x = qMin(overall.x, x);
-
441 overall.y = qMin(overall.y, y);
never executed (the execution status of this line is deduced): overall.y = qMin(overall.y, y);
-
442 xmax = qMax(xmax, x + g->width);
never executed (the execution status of this line is deduced): xmax = qMax(xmax, x + g->width);
-
443 ymax = qMax(ymax, y + g->height);
never executed (the execution status of this line is deduced): ymax = qMax(ymax, y + g->height);
-
444 overall.xoff += g->advance;
never executed (the execution status of this line is deduced): overall.xoff += g->advance;
-
445 }
never executed: }
0
446 overall.height = qMax(overall.height, ymax - overall.y);
never executed (the execution status of this line is deduced): overall.height = qMax(overall.height, ymax - overall.y);
-
447 overall.width = xmax - overall.x;
never executed (the execution status of this line is deduced): overall.width = xmax - overall.x;
-
448 -
449 return overall;
never executed: return overall;
0
450} -
451 -
452glyph_metrics_t QFontEngineQPA::boundingBox(glyph_t glyph) -
453{ -
454 glyph_metrics_t overall;
never executed (the execution status of this line is deduced): glyph_metrics_t overall;
-
455 const Glyph *g = findGlyph(glyph);
never executed (the execution status of this line is deduced): const Glyph *g = findGlyph(glyph);
-
456 if (!g)
never evaluated: !g
0
457 return overall;
never executed: return overall;
0
458 overall.x = g->x;
never executed (the execution status of this line is deduced): overall.x = g->x;
-
459 overall.y = g->y;
never executed (the execution status of this line is deduced): overall.y = g->y;
-
460 overall.width = g->width;
never executed (the execution status of this line is deduced): overall.width = g->width;
-
461 overall.height = g->height;
never executed (the execution status of this line is deduced): overall.height = g->height;
-
462 overall.xoff = g->advance;
never executed (the execution status of this line is deduced): overall.xoff = g->advance;
-
463 return overall;
never executed: return overall;
0
464} -
465 -
466QFixed QFontEngineQPA::ascent() const -
467{ -
468 return QFixed::fromReal(extractHeaderField(fontData, Tag_Ascent).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_Ascent).value<qreal>());
0
469} -
470 -
471QFixed QFontEngineQPA::descent() const -
472{ -
473 return QFixed::fromReal(extractHeaderField(fontData, Tag_Descent).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_Descent).value<qreal>());
0
474} -
475 -
476QFixed QFontEngineQPA::leading() const -
477{ -
478 return QFixed::fromReal(extractHeaderField(fontData, Tag_Leading).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_Leading).value<qreal>());
0
479} -
480 -
481qreal QFontEngineQPA::maxCharWidth() const -
482{ -
483 return extractHeaderField(fontData, Tag_MaxCharWidth).value<qreal>();
never executed: return extractHeaderField(fontData, Tag_MaxCharWidth).value<qreal>();
0
484} -
485 -
486qreal QFontEngineQPA::minLeftBearing() const -
487{ -
488 return extractHeaderField(fontData, Tag_MinLeftBearing).value<qreal>();
never executed: return extractHeaderField(fontData, Tag_MinLeftBearing).value<qreal>();
0
489} -
490 -
491qreal QFontEngineQPA::minRightBearing() const -
492{ -
493 return extractHeaderField(fontData, Tag_MinRightBearing).value<qreal>();
never executed: return extractHeaderField(fontData, Tag_MinRightBearing).value<qreal>();
0
494} -
495 -
496QFixed QFontEngineQPA::underlinePosition() const -
497{ -
498 return QFixed::fromReal(extractHeaderField(fontData, Tag_UnderlinePosition).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_UnderlinePosition).value<qreal>());
0
499} -
500 -
501QFixed QFontEngineQPA::lineThickness() const -
502{ -
503 return QFixed::fromReal(extractHeaderField(fontData, Tag_LineThickness).value<qreal>());
never executed: return QFixed::fromReal(extractHeaderField(fontData, Tag_LineThickness).value<qreal>());
0
504} -
505 -
506QFontEngine::Type QFontEngineQPA::type() const -
507{ -
508 return QFontEngine::QPF2;
never executed: return QFontEngine::QPF2;
0
509} -
510 -
511bool QFontEngineQPA::canRender(const QChar *string, int len) -
512{ -
513 const uchar *cmap = externalCMap ? externalCMap : (fontData + cmapOffset);
never evaluated: externalCMap
0
514 -
515 if (symbol) {
never evaluated: symbol
0
516 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
517 unsigned int uc = getChar(string, i, len);
never executed (the execution status of this line is deduced): unsigned int uc = getChar(string, i, len);
-
518 glyph_t g = getTrueTypeGlyphIndex(cmap, uc);
never executed (the execution status of this line is deduced): glyph_t g = getTrueTypeGlyphIndex(cmap, uc);
-
519 if(!g && uc < 0x100)
never evaluated: !g
never evaluated: uc < 0x100
0
520 g = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
never executed: g = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
0
521 if (!g)
never evaluated: !g
0
522 return false;
never executed: return false;
0
523 }
never executed: }
0
524 } else {
never executed: }
0
525 for (int i = 0; i < len; ++i) {
never evaluated: i < len
0
526 unsigned int uc = getChar(string, i, len);
never executed (the execution status of this line is deduced): unsigned int uc = getChar(string, i, len);
-
527 if (!getTrueTypeGlyphIndex(cmap, uc))
never evaluated: !getTrueTypeGlyphIndex(cmap, uc)
0
528 return false;
never executed: return false;
0
529 }
never executed: }
0
530 }
never executed: }
0
531 return true;
never executed: return true;
0
532} -
533 -
534bool QFontEngineQPA::isValid() const -
535{ -
536 return fontData && dataSize && (cmapOffset || externalCMap)
never executed: return fontData && dataSize && (cmapOffset || externalCMap) && glyphMapOffset && glyphDataOffset && glyphDataSize > 0;
0
537 && glyphMapOffset && glyphDataOffset && glyphDataSize > 0;
never executed: return fontData && dataSize && (cmapOffset || externalCMap) && glyphMapOffset && glyphDataOffset && glyphDataSize > 0;
0
538} -
539 -
540void QPAGenerator::generate() -
541{ -
542 writeHeader();
never executed (the execution status of this line is deduced): writeHeader();
-
543 writeGMap();
never executed (the execution status of this line is deduced): writeGMap();
-
544 writeBlock(QFontEngineQPA::GlyphBlock, QByteArray());
never executed (the execution status of this line is deduced): writeBlock(QFontEngineQPA::GlyphBlock, QByteArray());
-
545 -
546 dev->seek(4); // position of header.lock
never executed (the execution status of this line is deduced): dev->seek(4);
-
547 writeUInt32(0);
never executed (the execution status of this line is deduced): writeUInt32(0);
-
548}
never executed: }
0
549 -
550void QPAGenerator::writeHeader() -
551{ -
552 QFontEngineQPA::Header header;
never executed (the execution status of this line is deduced): QFontEngineQPA::Header header;
-
553 -
554 header.magic[0] = 'Q';
never executed (the execution status of this line is deduced): header.magic[0] = 'Q';
-
555 header.magic[1] = 'P';
never executed (the execution status of this line is deduced): header.magic[1] = 'P';
-
556 header.magic[2] = 'F';
never executed (the execution status of this line is deduced): header.magic[2] = 'F';
-
557 header.magic[3] = '2';
never executed (the execution status of this line is deduced): header.magic[3] = '2';
-
558 header.lock = 1;
never executed (the execution status of this line is deduced): header.lock = 1;
-
559 header.majorVersion = QFontEngineQPA::CurrentMajorVersion;
never executed (the execution status of this line is deduced): header.majorVersion = QFontEngineQPA::CurrentMajorVersion;
-
560 header.minorVersion = QFontEngineQPA::CurrentMinorVersion;
never executed (the execution status of this line is deduced): header.minorVersion = QFontEngineQPA::CurrentMinorVersion;
-
561 header.dataSize = 0;
never executed (the execution status of this line is deduced): header.dataSize = 0;
-
562 dev->write((const char *)&header, sizeof(header));
never executed (the execution status of this line is deduced): dev->write((const char *)&header, sizeof(header));
-
563 -
564 writeTaggedString(QFontEngineQPA::Tag_FontName, fe->fontDef.family.toUtf8());
never executed (the execution status of this line is deduced): writeTaggedString(QFontEngineQPA::Tag_FontName, fe->fontDef.family.toUtf8());
-
565 -
566 QFontEngine::FaceId face = fe->faceId();
never executed (the execution status of this line is deduced): QFontEngine::FaceId face = fe->faceId();
-
567 writeTaggedString(QFontEngineQPA::Tag_FileName, face.filename);
never executed (the execution status of this line is deduced): writeTaggedString(QFontEngineQPA::Tag_FileName, face.filename);
-
568 writeTaggedUInt32(QFontEngineQPA::Tag_FileIndex, face.index);
never executed (the execution status of this line is deduced): writeTaggedUInt32(QFontEngineQPA::Tag_FileIndex, face.index);
-
569 -
570 { -
571 uchar data[4];
never executed (the execution status of this line is deduced): uchar data[4];
-
572 uint len = 4;
never executed (the execution status of this line is deduced): uint len = 4;
-
573 bool ok = fe->getSfntTableData(MAKE_TAG('h', 'e', 'a', 'd'), data, &len);
never executed (the execution status of this line is deduced): bool ok = fe->getSfntTableData(( (((quint32)('h')) << 24) | (((quint32)('e')) << 16) | (((quint32)('a')) << 8) | ((quint32)('d')) ), data, &len);
-
574 if (ok) {
never evaluated: ok
0
575 const quint32 revision = qFromBigEndian<quint32>(data);
never executed (the execution status of this line is deduced): const quint32 revision = qFromBigEndian<quint32>(data);
-
576 writeTaggedUInt32(QFontEngineQPA::Tag_FontRevision, revision);
never executed (the execution status of this line is deduced): writeTaggedUInt32(QFontEngineQPA::Tag_FontRevision, revision);
-
577 }
never executed: }
0
578 } -
579 -
580 writeTaggedQFixed(QFontEngineQPA::Tag_Ascent, fe->ascent());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_Ascent, fe->ascent());
-
581 writeTaggedQFixed(QFontEngineQPA::Tag_Descent, fe->descent());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_Descent, fe->descent());
-
582 writeTaggedQFixed(QFontEngineQPA::Tag_Leading, fe->leading());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_Leading, fe->leading());
-
583 writeTaggedQFixed(QFontEngineQPA::Tag_XHeight, fe->xHeight());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_XHeight, fe->xHeight());
-
584 writeTaggedQFixed(QFontEngineQPA::Tag_AverageCharWidth, fe->averageCharWidth());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_AverageCharWidth, fe->averageCharWidth());
-
585 writeTaggedQFixed(QFontEngineQPA::Tag_MaxCharWidth, QFixed::fromReal(fe->maxCharWidth()));
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_MaxCharWidth, QFixed::fromReal(fe->maxCharWidth()));
-
586 writeTaggedQFixed(QFontEngineQPA::Tag_LineThickness, fe->lineThickness());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_LineThickness, fe->lineThickness());
-
587 writeTaggedQFixed(QFontEngineQPA::Tag_MinLeftBearing, QFixed::fromReal(fe->minLeftBearing()));
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_MinLeftBearing, QFixed::fromReal(fe->minLeftBearing()));
-
588 writeTaggedQFixed(QFontEngineQPA::Tag_MinRightBearing, QFixed::fromReal(fe->minRightBearing()));
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_MinRightBearing, QFixed::fromReal(fe->minRightBearing()));
-
589 writeTaggedQFixed(QFontEngineQPA::Tag_UnderlinePosition, fe->underlinePosition());
never executed (the execution status of this line is deduced): writeTaggedQFixed(QFontEngineQPA::Tag_UnderlinePosition, fe->underlinePosition());
-
590 writeTaggedUInt8(QFontEngineQPA::Tag_PixelSize, fe->fontDef.pixelSize);
never executed (the execution status of this line is deduced): writeTaggedUInt8(QFontEngineQPA::Tag_PixelSize, fe->fontDef.pixelSize);
-
591 writeTaggedUInt8(QFontEngineQPA::Tag_Weight, fe->fontDef.weight);
never executed (the execution status of this line is deduced): writeTaggedUInt8(QFontEngineQPA::Tag_Weight, fe->fontDef.weight);
-
592 writeTaggedUInt8(QFontEngineQPA::Tag_Style, fe->fontDef.style);
never executed (the execution status of this line is deduced): writeTaggedUInt8(QFontEngineQPA::Tag_Style, fe->fontDef.style);
-
593 -
594 writeTaggedUInt8(QFontEngineQPA::Tag_GlyphFormat, QFontEngineQPA::AlphamapGlyphs);
never executed (the execution status of this line is deduced): writeTaggedUInt8(QFontEngineQPA::Tag_GlyphFormat, QFontEngineQPA::AlphamapGlyphs);
-
595 -
596 writeTaggedString(QFontEngineQPA::Tag_EndOfHeader, QByteArray());
never executed (the execution status of this line is deduced): writeTaggedString(QFontEngineQPA::Tag_EndOfHeader, QByteArray());
-
597 align4();
never executed (the execution status of this line is deduced): align4();
-
598 -
599 const quint64 size = dev->pos();
never executed (the execution status of this line is deduced): const quint64 size = dev->pos();
-
600 header.dataSize = qToBigEndian<quint16>(size - sizeof(header));
never executed (the execution status of this line is deduced): header.dataSize = qToBigEndian<quint16>(size - sizeof(header));
-
601 dev->seek(0);
never executed (the execution status of this line is deduced): dev->seek(0);
-
602 dev->write((const char *)&header, sizeof(header));
never executed (the execution status of this line is deduced): dev->write((const char *)&header, sizeof(header));
-
603 dev->seek(size);
never executed (the execution status of this line is deduced): dev->seek(size);
-
604}
never executed: }
0
605 -
606void QPAGenerator::writeGMap() -
607{ -
608 const quint16 glyphCount = fe->glyphCount();
never executed (the execution status of this line is deduced): const quint16 glyphCount = fe->glyphCount();
-
609 -
610 writeUInt16(QFontEngineQPA::GMapBlock);
never executed (the execution status of this line is deduced): writeUInt16(QFontEngineQPA::GMapBlock);
-
611 writeUInt16(0); // padding
never executed (the execution status of this line is deduced): writeUInt16(0);
-
612 writeUInt32(glyphCount * 4);
never executed (the execution status of this line is deduced): writeUInt32(glyphCount * 4);
-
613 -
614 QByteArray &buffer = dev->buffer();
never executed (the execution status of this line is deduced): QByteArray &buffer = dev->buffer();
-
615 const int numBytes = glyphCount * sizeof(quint32);
never executed (the execution status of this line is deduced): const int numBytes = glyphCount * sizeof(quint32);
-
616 qint64 pos = buffer.size();
never executed (the execution status of this line is deduced): qint64 pos = buffer.size();
-
617 buffer.resize(pos + numBytes);
never executed (the execution status of this line is deduced): buffer.resize(pos + numBytes);
-
618 memset(buffer.data() + pos, 0xff, numBytes);
never executed (the execution status of this line is deduced): memset(buffer.data() + pos, 0xff, numBytes);
-
619 dev->seek(pos + numBytes);
never executed (the execution status of this line is deduced): dev->seek(pos + numBytes);
-
620}
never executed: }
0
621 -
622void QPAGenerator::writeBlock(QFontEngineQPA::BlockTag tag, const QByteArray &data) -
623{ -
624 writeUInt16(tag);
never executed (the execution status of this line is deduced): writeUInt16(tag);
-
625 writeUInt16(0); // padding
never executed (the execution status of this line is deduced): writeUInt16(0);
-
626 const int padSize = ((data.size() + 3) / 4) * 4 - data.size();
never executed (the execution status of this line is deduced): const int padSize = ((data.size() + 3) / 4) * 4 - data.size();
-
627 writeUInt32(data.size() + padSize);
never executed (the execution status of this line is deduced): writeUInt32(data.size() + padSize);
-
628 dev->write(data);
never executed (the execution status of this line is deduced): dev->write(data);
-
629 for (int i = 0; i < padSize; ++i)
never evaluated: i < padSize
0
630 writeUInt8(0);
never executed: writeUInt8(0);
0
631}
never executed: }
0
632 -
633void QPAGenerator::writeTaggedString(QFontEngineQPA::HeaderTag tag, const QByteArray &string) -
634{ -
635 writeUInt16(tag);
never executed (the execution status of this line is deduced): writeUInt16(tag);
-
636 writeUInt16(string.length());
never executed (the execution status of this line is deduced): writeUInt16(string.length());
-
637 dev->write(string);
never executed (the execution status of this line is deduced): dev->write(string);
-
638}
never executed: }
0
639 -
640void QPAGenerator::writeTaggedUInt32(QFontEngineQPA::HeaderTag tag, quint32 value) -
641{ -
642 writeUInt16(tag);
never executed (the execution status of this line is deduced): writeUInt16(tag);
-
643 writeUInt16(sizeof(value));
never executed (the execution status of this line is deduced): writeUInt16(sizeof(value));
-
644 writeUInt32(value);
never executed (the execution status of this line is deduced): writeUInt32(value);
-
645}
never executed: }
0
646 -
647void QPAGenerator::writeTaggedUInt8(QFontEngineQPA::HeaderTag tag, quint8 value) -
648{ -
649 writeUInt16(tag);
never executed (the execution status of this line is deduced): writeUInt16(tag);
-
650 writeUInt16(sizeof(value));
never executed (the execution status of this line is deduced): writeUInt16(sizeof(value));
-
651 writeUInt8(value);
never executed (the execution status of this line is deduced): writeUInt8(value);
-
652}
never executed: }
0
653 -
654void QPAGenerator::writeTaggedQFixed(QFontEngineQPA::HeaderTag tag, QFixed value) -
655{ -
656 writeUInt16(tag);
never executed (the execution status of this line is deduced): writeUInt16(tag);
-
657 writeUInt16(sizeof(quint32));
never executed (the execution status of this line is deduced): writeUInt16(sizeof(quint32));
-
658 writeUInt32(value.value());
never executed (the execution status of this line is deduced): writeUInt32(value.value());
-
659}
never executed: }
0
660 -
661 -
662/* -
663 Creates a new multi QPA engine. -
664 -
665 This function takes ownership of the QFontEngine, increasing it's refcount. -
666*/ -
667QFontEngineMultiQPA::QFontEngineMultiQPA(QFontEngine *fe, int _script, const QStringList &fallbacks) -
668 : QFontEngineMulti(fallbacks.size() + 1), -
669 fallbackFamilies(fallbacks), script(_script) -
670 , fallbacksQueried(true) -
671{ -
672 init(fe);
never executed (the execution status of this line is deduced): init(fe);
-
673}
never executed: }
0
674 -
675QFontEngineMultiQPA::QFontEngineMultiQPA(QFontEngine *fe, int _script) -
676 : QFontEngineMulti(2) -
677 , script(_script) -
678 , fallbacksQueried(false) -
679{ -
680 fallbackFamilies << QString();
executed (the execution status of this line is deduced): fallbackFamilies << QString();
-
681 init(fe);
executed (the execution status of this line is deduced): init(fe);
-
682}
executed: }
Execution Count:600
600
683 -
684void QFontEngineMultiQPA::init(QFontEngine *fe) -
685{ -
686 Q_ASSERT(fe && fe->type() != QFontEngine::Multi);
executed (the execution status of this line is deduced): qt_noop();
-
687 engines[0] = fe;
executed (the execution status of this line is deduced): engines[0] = fe;
-
688 fe->ref.ref();
executed (the execution status of this line is deduced): fe->ref.ref();
-
689 fontDef = engines[0]->fontDef;
executed (the execution status of this line is deduced): fontDef = engines[0]->fontDef;
-
690 setObjectName(QStringLiteral("QFontEngineMultiQPA"));
executed (the execution status of this line is deduced): setObjectName(QString::fromUtf8("" "QFontEngineMultiQPA" "", sizeof("QFontEngineMultiQPA") - 1));
-
691}
executed: }
Execution Count:600
600
692 -
693void QFontEngineMultiQPA::loadEngine(int at) -
694{ -
695 ensureFallbackFamiliesQueried();
executed (the execution status of this line is deduced): ensureFallbackFamiliesQueried();
-
696 Q_ASSERT(at < engines.size());
executed (the execution status of this line is deduced): qt_noop();
-
697 Q_ASSERT(engines.at(at) == 0);
executed (the execution status of this line is deduced): qt_noop();
-
698 QFontDef request = fontDef;
executed (the execution status of this line is deduced): QFontDef request = fontDef;
-
699 request.styleStrategy |= QFont::NoFontMerging;
executed (the execution status of this line is deduced): request.styleStrategy |= QFont::NoFontMerging;
-
700 request.family = fallbackFamilies.at(at-1);
executed (the execution status of this line is deduced): request.family = fallbackFamilies.at(at-1);
-
701 engines[at] = QFontDatabase::findFont(script,
executed (the execution status of this line is deduced): engines[at] = QFontDatabase::findFont(script,
-
702 /*fontprivate = */0,
executed (the execution status of this line is deduced): 0,
-
703 request, /*multi = */false);
executed (the execution status of this line is deduced): request, false);
-
704 Q_ASSERT(engines[at]);
executed (the execution status of this line is deduced): qt_noop();
-
705 engines[at]->ref.ref();
executed (the execution status of this line is deduced): engines[at]->ref.ref();
-
706 engines[at]->fontDef = request;
executed (the execution status of this line is deduced): engines[at]->fontDef = request;
-
707}
executed: }
Execution Count:9
9
708void QFontEngineMultiQPA::ensureFallbackFamiliesQueried() -
709{ -
710 if (fallbacksQueried)
partially evaluated: fallbacksQueried
TRUEFALSE
yes
Evaluation Count:249027
no
Evaluation Count:0
0-249027
711 return;
executed: return;
Execution Count:249027
249027
712 QStringList fallbacks = QGuiApplicationPrivate::instance()->platformIntegration()->fontDatabase()->fallbacksForFamily(engine(0)->fontDef.family, QFont::Style(engine(0)->fontDef.style)
never executed (the execution status of this line is deduced): QStringList fallbacks = QGuiApplicationPrivate::instance()->platformIntegration()->fontDatabase()->fallbacksForFamily(engine(0)->fontDef.family, QFont::Style(engine(0)->fontDef.style)
-
713 , QFont::AnyStyle, QUnicodeTables::Script(script));
never executed (the execution status of this line is deduced): , QFont::AnyStyle, QUnicodeTables::Script(script));
-
714 setFallbackFamiliesList(fallbacks);
never executed (the execution status of this line is deduced): setFallbackFamiliesList(fallbacks);
-
715}
never executed: }
0
716 -
717void QFontEngineMultiQPA::setFallbackFamiliesList(const QStringList &fallbacks) -
718{ -
719 // Original FontEngine to restore after the fill. -
720 QFontEngine *fe = engines[0];
executed (the execution status of this line is deduced): QFontEngine *fe = engines[0];
-
721 fallbackFamilies = fallbacks;
executed (the execution status of this line is deduced): fallbackFamilies = fallbacks;
-
722 if (!fallbackFamilies.isEmpty()) {
partially evaluated: !fallbackFamilies.isEmpty()
TRUEFALSE
yes
Evaluation Count:600
no
Evaluation Count:0
0-600
723 engines.fill(0, fallbackFamilies.size() + 1);
executed (the execution status of this line is deduced): engines.fill(0, fallbackFamilies.size() + 1);
-
724 engines[0] = fe;
executed (the execution status of this line is deduced): engines[0] = fe;
-
725 } else {
executed: }
Execution Count:600
600
726 // Turns out we lied about having any fallback at all. -
727 fallbackFamilies << fe->fontDef.family;
never executed (the execution status of this line is deduced): fallbackFamilies << fe->fontDef.family;
-
728 engines[1] = fe;
never executed (the execution status of this line is deduced): engines[1] = fe;
-
729 fe->ref.ref();
never executed (the execution status of this line is deduced): fe->ref.ref();
-
730 }
never executed: }
0
731 fallbacksQueried = true;
executed (the execution status of this line is deduced): fallbacksQueried = true;
-
732}
executed: }
Execution Count:600
600
733 -
734/* -
735 This is used indirectly by Qt WebKit when using QTextLayout::setRawFont -
736 -
737 The purpose of this is to provide the necessary font fallbacks when drawing complex -
738 text. Since Qt WebKit ends up repeatedly creating QTextLayout instances and passing them -
739 the same raw font over and over again, we want to cache the corresponding multi font engine -
740 as it may contain fallback font engines already. -
741*/ -
742QFontEngine* QFontEngineMultiQPA::createMultiFontEngine(QFontEngine *fe, int script) -
743{ -
744 QFontEngine *engine = 0;
never executed (the execution status of this line is deduced): QFontEngine *engine = 0;
-
745 QFontCache::Key key(fe->fontDef, script, /*multi = */true);
never executed (the execution status of this line is deduced): QFontCache::Key key(fe->fontDef, script, true);
-
746 QFontCache *fc = QFontCache::instance();
never executed (the execution status of this line is deduced): QFontCache *fc = QFontCache::instance();
-
747 // We can't rely on the fontDef (and hence the cache Key) -
748 // alone to distinguish webfonts, since these should not be -
749 // accidentally shared, even if the resulting fontcache key -
750 // is strictly identical. See: -
751 // http://www.w3.org/TR/css3-fonts/#font-face-rule -
752 const bool faceIsLocal = !fe->faceId().filename.isEmpty();
never executed (the execution status of this line is deduced): const bool faceIsLocal = !fe->faceId().filename.isEmpty();
-
753 QFontCache::EngineCache::Iterator it = fc->engineCache.find(key),
never executed (the execution status of this line is deduced): QFontCache::EngineCache::Iterator it = fc->engineCache.find(key),
-
754 end = fc->engineCache.end();
never executed (the execution status of this line is deduced): end = fc->engineCache.end();
-
755 while (it != end && it.key() == key) {
never evaluated: it != end
never evaluated: it.key() == key
0
756 QFontEngineMulti *cachedEngine = qobject_cast<QFontEngineMulti *>(it.value().data);
never executed (the execution status of this line is deduced): QFontEngineMulti *cachedEngine = qobject_cast<QFontEngineMulti *>(it.value().data);
-
757 if (faceIsLocal || (cachedEngine && fe == cachedEngine->engine(0))) {
never evaluated: faceIsLocal
never evaluated: cachedEngine
never evaluated: fe == cachedEngine->engine(0)
0
758 engine = cachedEngine;
never executed (the execution status of this line is deduced): engine = cachedEngine;
-
759 fc->updateHitCountAndTimeStamp(it.value());
never executed (the execution status of this line is deduced): fc->updateHitCountAndTimeStamp(it.value());
-
760 break;
never executed: break;
0
761 } -
762 it++;
never executed (the execution status of this line is deduced): it++;
-
763 }
never executed: }
0
764 if (!engine) {
never evaluated: !engine
0
765 engine = QGuiApplicationPrivate::instance()->platformIntegration()->fontDatabase()->fontEngineMulti(fe, QUnicodeTables::Script(script));
never executed (the execution status of this line is deduced): engine = QGuiApplicationPrivate::instance()->platformIntegration()->fontDatabase()->fontEngineMulti(fe, QUnicodeTables::Script(script));
-
766 QFontCache::instance()->insertEngine(key, engine, /* insertMulti */ !faceIsLocal);
never executed (the execution status of this line is deduced): QFontCache::instance()->insertEngine(key, engine, !faceIsLocal);
-
767 }
never executed: }
0
768 Q_ASSERT(engine);
never executed (the execution status of this line is deduced): qt_noop();
-
769 return engine;
never executed: return engine;
0
770} -
771 -
772QT_END_NAMESPACE -
773 -
Source codeSwitch to Preprocessed file
Generated by Squish Coco Non-Commercial