diff options
Diffstat (limited to 'src/gui/text/qfontengine_qpf.cpp')
| -rw-r--r-- | src/gui/text/qfontengine_qpf.cpp | 103 |
1 files changed, 76 insertions, 27 deletions
diff --git a/src/gui/text/qfontengine_qpf.cpp b/src/gui/text/qfontengine_qpf.cpp index b940af5..7c8be82 100644 --- a/src/gui/text/qfontengine_qpf.cpp +++ b/src/gui/text/qfontengine_qpf.cpp @@ -1,7 +1,6 @@ /**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. @@ -21,9 +20,10 @@ ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this +** package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. @@ -51,6 +51,7 @@ #if !defined(QT_NO_FREETYPE) #include "private/qfontengine_ft_p.h" #endif +#include "private/qcore_unix_p.h" // overrides QT_OPEN // for mmap #include <stdlib.h> @@ -65,9 +66,10 @@ QT_BEGIN_NAMESPACE #ifndef QT_NO_QWS_QPF2 -QT_BEGIN_INCLUDE_NAMESPACE #include "qpfutil.cpp" +QT_BEGIN_INCLUDE_NAMESPACE + #if defined(Q_WS_QWS) # include "private/qwscommand_qws_p.h" # include "qwsdisplay_qws.h" @@ -252,7 +254,7 @@ QList<QByteArray> QFontEngineQPF::cleanUpAfterClientCrash(const QList<int> &cras for (int i = 0; i < int(dir.count()); ++i) { const QByteArray fileName = QFile::encodeName(dir.absoluteFilePath(dir[i])); - int fd = ::open(fileName.constData(), O_RDONLY); + int fd = QT_OPEN(fileName.constData(), O_RDONLY, 0); if (fd >= 0) { void *header = ::mmap(0, sizeof(QFontEngineQPF::Header), PROT_READ, MAP_SHARED, fd, 0); if (header && header != MAP_FAILED) { @@ -265,7 +267,7 @@ QList<QByteArray> QFontEngineQPF::cleanUpAfterClientCrash(const QList<int> &cras ::munmap(header, sizeof(QFontEngineQPF::Header)); } - ::close(fd); + QT_CLOSE(fd); } } if (!removedFonts.isEmpty()) @@ -308,7 +310,7 @@ QFontEngineQPF::QFontEngineQPF(const QFontDef &def, int fileDescriptor, QFontEng readOnly = true; #if defined(DEBUG_FONTENGINE) - qDebug() << "QFontEngineQPF::QFontEngineQPF( fd =" << fd << ", renderingFontEngine =" << renderingFontEngine << ")"; + qDebug() << "QFontEngineQPF::QFontEngineQPF( fd =" << fd << ", renderingFontEngine =" << renderingFontEngine << ')'; #endif #ifndef QT_FONTS_ARE_RESOURCES @@ -316,30 +318,51 @@ QFontEngineQPF::QFontEngineQPF(const QFontDef &def, int fileDescriptor, QFontEng if (!renderingFontEngine) return; - fileName = fontDef.family.toLower() + QLatin1String("_") + fileName = fontDef.family.toLower() + QLatin1Char('_') + QString::number(fontDef.pixelSize) - + QLatin1String("_") + QString::number(fontDef.weight) + + QLatin1Char('_') + QString::number(fontDef.weight) + (fontDef.style != QFont::StyleNormal ? QLatin1String("_italic") : QLatin1String("")) + QLatin1String(".qsf"); fileName.replace(QLatin1Char(' '), QLatin1Char('_')); fileName.prepend(qws_fontCacheDir()); - const QByteArray encodedName = QFile::encodeName(fileName); - if (::access(encodedName, F_OK) == 0) { + encodedFileName = QFile::encodeName(fileName); + if (::access(encodedFileName, F_OK) == 0) { #if defined(DEBUG_FONTENGINE) qDebug() << "found existing qpf:" << fileName; #endif - if (::access(encodedName, W_OK | R_OK) == 0) - fd = ::open(encodedName, O_RDWR); - else if (::access(encodedName, R_OK) == 0) - fd = ::open(encodedName, O_RDONLY); + if (::access(encodedFileName, W_OK | R_OK) == 0) { + fd = QT_OPEN(encodedFileName, O_RDWR); + } + // read-write access failed - try read-only access + if (fd == -1 && ::access(encodedFileName, R_OK) == 0) { + fd = QT_OPEN(encodedFileName, O_RDONLY); + if (fd == -1) { +#if defined(DEBUG_FONTENGINE) + qErrnoWarning("QFontEngineQPF: unable to open %s", encodedName.constData()); +#endif + return; + } + } + if (fd == -1) { +#if defined(DEBUG_FONTENGINE) + qWarning("QFontEngineQPF: insufficient access rights to %s", encodedName.constData()); +#endif + return; + } } else { #if defined(DEBUG_FONTENGINE) qDebug() << "creating qpf on the fly:" << fileName; #endif if (::access(QFile::encodeName(qws_fontCacheDir()), W_OK) == 0) { - fd = ::open(encodedName, O_RDWR | O_EXCL | O_CREAT, 0644); + fd = QT_OPEN(encodedFileName, O_RDWR | O_EXCL | O_CREAT, 0644); + if (fd == -1) { +#if defined(DEBUG_FONTENGINE) + qErrnoWarning(errno, "QFontEngineQPF: open() failed for %s", encodedName.constData()); +#endif + return; + } QBuffer buffer; buffer.open(QIODevice::ReadWrite); @@ -347,7 +370,17 @@ QFontEngineQPF::QFontEngineQPF(const QFontDef &def, int fileDescriptor, QFontEng generator.generate(); buffer.close(); const QByteArray &data = buffer.data(); - ::write(fd, data.constData(), data.size()); + if (QT_WRITE(fd, data.constData(), data.size()) == -1) { +#if defined(DEBUG_FONTENGINE) + qErrnoWarning(errno, "QFontEngineQPF: write() failed for %s", encodedName.constData()); +#endif + return; + } + } else { +#if defined(DEBUG_FONTENGINE) + qErrnoWarning(errno, "QFontEngineQPF: access() failed for %s", qPrintable(qws_fontCacheDir())); +#endif + return; } } } @@ -355,7 +388,7 @@ QFontEngineQPF::QFontEngineQPF(const QFontDef &def, int fileDescriptor, QFontEng QT_STATBUF st; if (QT_FSTAT(fd, &st)) { #if defined(DEBUG_FONTENGINE) - qDebug() << "stat failed!"; + qErrnoWarning(errno, "QFontEngineQPF: fstat failed!"); #endif return; } @@ -474,19 +507,30 @@ QFontEngineQPF::QFontEngineQPF(const QFontDef &def, int fileDescriptor, QFontEng #endif #if defined(Q_WS_QWS) if (isValid() && renderingFontEngine) - qt_fbdpy->sendFontCommand(QWSFontCommand::StartedUsingFont, QFile::encodeName(fileName)); + qt_fbdpy->sendFontCommand(QWSFontCommand::StartedUsingFont, encodedFileName); #endif } QFontEngineQPF::~QFontEngineQPF() { #if defined(Q_WS_QWS) - if (isValid() && renderingFontEngine) - qt_fbdpy->sendFontCommand(QWSFontCommand::StoppedUsingFont, QFile::encodeName(fileName)); + if (isValid() && renderingFontEngine) { + QT_TRY { + qt_fbdpy->sendFontCommand(QWSFontCommand::StoppedUsingFont, encodedFileName); + } QT_CATCH(...) { + qDebug("QFontEngineQPF::~QFontEngineQPF: Out of memory"); + // ignore. + } + } #endif delete renderingFontEngine; - if (fontData) - munmap((void *)fontData, dataSize); + if (fontData) { + if (munmap((void *)fontData, dataSize) == -1) { +#if defined(DEBUG_FONTENGINE) + qErrnoWarning(errno, "~QFontEngineQPF: Unable to munmap"); +#endif + } + } if (fd != -1) ::close(fd); #if !defined(QT_NO_FREETYPE) @@ -550,7 +594,7 @@ bool QFontEngineQPF::stringToCMap(const QChar *str, int len, QGlyphLayout *glyph #if 0 && defined(DEBUG_FONTENGINE) QChar c(uc); if (!findGlyph(glyphs[glyph_pos].glyph) && !seenGlyphs.contains(c)) - qDebug() << "glyph for character" << c << "/" << hex << uc << "is" << dec << glyphs[glyph_pos].glyph; + qDebug() << "glyph for character" << c << '/' << hex << uc << "is" << dec << glyphs[glyph_pos].glyph; seenGlyphs.insert(c); #endif @@ -893,8 +937,8 @@ void QFontEngineQPF::loadGlyph(glyph_t glyph) g.y = qRound(metrics.y); g.advance = qRound(metrics.xoff); - ::write(fd, &g, sizeof(g)); - ::write(fd, img.bits(), img.numBytes()); + QT_WRITE(fd, &g, sizeof(g)); + QT_WRITE(fd, img.bits(), img.numBytes()); glyphPos = oldSize - glyphDataOffset; #if 0 && defined(DEBUG_FONTENGINE) @@ -1128,6 +1172,11 @@ void QPFGenerator::writeTaggedQFixed(QFontEngineQPF::HeaderTag tag, QFixed value #endif // QT_NO_QWS_QPF2 +/* + Creates a new multi qws engine. + + This function takes ownership of the QFontEngine, increasing it's refcount. +*/ QFontEngineMultiQWS::QFontEngineMultiQWS(QFontEngine *fe, int _script, const QStringList &fallbacks) : QFontEngineMulti(fallbacks.size() + 1), fallbackFamilies(fallbacks), script(_script) |