diff options
Diffstat (limited to 'src/plugins/platforms/fontdatabases/basicunix/qbasicunixfontdatabase.cpp')
-rw-r--r-- | src/plugins/platforms/fontdatabases/basicunix/qbasicunixfontdatabase.cpp | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/src/plugins/platforms/fontdatabases/basicunix/qbasicunixfontdatabase.cpp b/src/plugins/platforms/fontdatabases/basicunix/qbasicunixfontdatabase.cpp deleted file mode 100644 index d91cce59a9..0000000000 --- a/src/plugins/platforms/fontdatabases/basicunix/qbasicunixfontdatabase.cpp +++ /dev/null @@ -1,355 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qbasicunixfontdatabase.h" - -#include <QtGui/private/qapplication_p.h> -#include <QtGui/QPlatformScreen> - -#include <QtCore/QFile> -#include <QtCore/QLibraryInfo> -#include <QtCore/QDir> - -#undef QT_NO_FREETYPE -#include <QtGui/private/qfontengine_ft_p.h> -#include <QtGui/private/qfontengine_p.h> - -#include <ft2build.h> -#include FT_TRUETYPE_TABLES_H - -#define SimplifiedChineseCsbBit 18 -#define TraditionalChineseCsbBit 20 -#define JapaneseCsbBit 17 -#define KoreanCsbBit 21 - -static int requiredUnicodeBits[QFontDatabase::WritingSystemsCount][2] = { - // Any, - { 127, 127 }, - // Latin, - { 0, 127 }, - // Greek, - { 7, 127 }, - // Cyrillic, - { 9, 127 }, - // Armenian, - { 10, 127 }, - // Hebrew, - { 11, 127 }, - // Arabic, - { 13, 127 }, - // Syriac, - { 71, 127 }, - //Thaana, - { 72, 127 }, - //Devanagari, - { 15, 127 }, - //Bengali, - { 16, 127 }, - //Gurmukhi, - { 17, 127 }, - //Gujarati, - { 18, 127 }, - //Oriya, - { 19, 127 }, - //Tamil, - { 20, 127 }, - //Telugu, - { 21, 127 }, - //Kannada, - { 22, 127 }, - //Malayalam, - { 23, 127 }, - //Sinhala, - { 73, 127 }, - //Thai, - { 24, 127 }, - //Lao, - { 25, 127 }, - //Tibetan, - { 70, 127 }, - //Myanmar, - { 74, 127 }, - // Georgian, - { 26, 127 }, - // Khmer, - { 80, 127 }, - // SimplifiedChinese, - { 126, 127 }, - // TraditionalChinese, - { 126, 127 }, - // Japanese, - { 126, 127 }, - // Korean, - { 56, 127 }, - // Vietnamese, - { 0, 127 }, // same as latin1 - // Other, - { 126, 127 }, - // Ogham, - { 78, 127 }, - // Runic, - { 79, 127 }, - // Nko, - { 14, 127 }, -}; - -static QSupportedWritingSystems determineWritingSystemsFromTrueTypeBits(quint32 unicodeRange[4], quint32 codePageRange[2]) -{ - QSupportedWritingSystems writingSystems; - bool hasScript = false; - - int i; - for(i = 0; i < QFontDatabase::WritingSystemsCount; i++) { - int bit = requiredUnicodeBits[i][0]; - int index = bit/32; - int flag = 1 << (bit&31); - if (bit != 126 && unicodeRange[index] & flag) { - bit = requiredUnicodeBits[i][1]; - index = bit/32; - - flag = 1 << (bit&31); - if (bit == 127 || unicodeRange[index] & flag) { - writingSystems.setSupported(QFontDatabase::WritingSystem(i)); - hasScript = true; - // qDebug("font %s: index=%d, flag=%8x supports script %d", familyName.latin1(), index, flag, i); - } - } - } - if(codePageRange[0] & (1 << SimplifiedChineseCsbBit)) { - writingSystems.setSupported(QFontDatabase::SimplifiedChinese); - hasScript = true; - //qDebug("font %s supports Simplified Chinese", familyName.latin1()); - } - if(codePageRange[0] & (1 << TraditionalChineseCsbBit)) { - writingSystems.setSupported(QFontDatabase::TraditionalChinese); - hasScript = true; - //qDebug("font %s supports Traditional Chinese", familyName.latin1()); - } - if(codePageRange[0] & (1 << JapaneseCsbBit)) { - writingSystems.setSupported(QFontDatabase::Japanese); - hasScript = true; - //qDebug("font %s supports Japanese", familyName.latin1()); - } - if(codePageRange[0] & (1 << KoreanCsbBit)) { - writingSystems.setSupported(QFontDatabase::Korean); - hasScript = true; - //qDebug("font %s supports Korean", familyName.latin1()); - } - if (!hasScript) - writingSystems.setSupported(QFontDatabase::Symbol); - - return writingSystems; -} - -static inline bool scriptRequiresOpenType(int script) -{ - return ((script >= QUnicodeTables::Syriac && script <= QUnicodeTables::Sinhala) - || script == QUnicodeTables::Khmer || script == QUnicodeTables::Nko); -} - -void QBasicUnixFontDatabase::populateFontDatabase() -{ - QPlatformFontDatabase::populateFontDatabase(); - QString fontpath = fontDir(); - - if(!QFile::exists(fontpath)) { - qFatal("QFontDatabase: Cannot find font directory %s - is Qt installed correctly?", - qPrintable(fontpath)); - } - - QDir dir(fontpath); - dir.setNameFilters(QStringList() << QLatin1String("*.ttf") - << QLatin1String("*.ttc") << QLatin1String("*.pfa") - << QLatin1String("*.pfb")); - dir.refresh(); - for (int i = 0; i < int(dir.count()); ++i) { - const QByteArray file = QFile::encodeName(dir.absoluteFilePath(dir[i])); -// qDebug() << "looking at" << file; - addTTFile(QByteArray(), file); - } -} - -QFontEngine *QBasicUnixFontDatabase::fontEngine(const QFontDef &fontDef, QUnicodeTables::Script script, void *usrPtr) -{ - QFontEngineFT *engine; - FontFile *fontfile = static_cast<FontFile *> (usrPtr); - QFontEngine::FaceId fid; - fid.filename = fontfile->fileName.toLocal8Bit(); - fid.index = fontfile->indexValue; - engine = new QFontEngineFT(fontDef); - - bool antialias = !(fontDef.styleStrategy & QFont::NoAntialias); - QFontEngineFT::GlyphFormat format = antialias? QFontEngineFT::Format_A8 : QFontEngineFT::Format_Mono; - if (!engine->init(fid,antialias,format)) { - delete engine; - engine = 0; - return engine; - } - if (engine->invalid()) { - delete engine; - engine = 0; - } else if (scriptRequiresOpenType(script)) { - HB_Face hbFace = engine->harfbuzzFace(); - if (!hbFace || !hbFace->supported_scripts[script]) { - delete engine; - engine = 0; - } - } - - return engine; -} - -QStringList QBasicUnixFontDatabase::fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const -{ - Q_UNUSED(family); - Q_UNUSED(style); - Q_UNUSED(script); - return QStringList(); -} - -QStringList QBasicUnixFontDatabase::addApplicationFont(const QByteArray &fontData, const QString &fileName) -{ - return addTTFile(fontData,fileName.toLocal8Bit()); -} - -void QBasicUnixFontDatabase::releaseHandle(void *handle) -{ - FontFile *file = static_cast<FontFile *>(handle); - delete file; -} - -QStringList QBasicUnixFontDatabase::addTTFile(const QByteArray &fontData, const QByteArray &file) -{ - extern FT_Library qt_getFreetype(); - FT_Library library = qt_getFreetype(); - - int index = 0; - int numFaces = 0; - QStringList families; - do { - FT_Face face; - FT_Error error; - if (!fontData.isEmpty()) { - error = FT_New_Memory_Face(library, (const FT_Byte *)fontData.constData(), fontData.size(), index, &face); - } else { - error = FT_New_Face(library, file.constData(), index, &face); - } - if (error != FT_Err_Ok) { - qDebug() << "FT_New_Face failed with index" << index << ":" << hex << error; - break; - } - numFaces = face->num_faces; - - QFont::Weight weight = QFont::Normal; - - QFont::Style style = QFont::StyleNormal; - if (face->style_flags & FT_STYLE_FLAG_ITALIC) - style = QFont::StyleItalic; - - if (face->style_flags & FT_STYLE_FLAG_BOLD) - weight = QFont::Bold; - - QSupportedWritingSystems writingSystems; - // detect symbol fonts - for (int i = 0; i < face->num_charmaps; ++i) { - FT_CharMap cm = face->charmaps[i]; - if (cm->encoding == ft_encoding_adobe_custom - || cm->encoding == ft_encoding_symbol) { - writingSystems.setSupported(QFontDatabase::Symbol); - break; - } - } - - TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(face, ft_sfnt_os2); - if (os2) { - quint32 unicodeRange[4] = { - os2->ulUnicodeRange1, os2->ulUnicodeRange2, os2->ulUnicodeRange3, os2->ulUnicodeRange4 - }; - quint32 codePageRange[2] = { - os2->ulCodePageRange1, os2->ulCodePageRange2 - }; - - writingSystems = determineWritingSystemsFromTrueTypeBits(unicodeRange, codePageRange); - - if (os2->usWeightClass == 0) - ; - else if (os2->usWeightClass < 350) - weight = QFont::Light; - else if (os2->usWeightClass < 450) - weight = QFont::Normal; - else if (os2->usWeightClass < 650) - weight = QFont::DemiBold; - else if (os2->usWeightClass < 750) - weight = QFont::Bold; - else if (os2->usWeightClass < 1000) - weight = QFont::Black; - - if (os2->panose[2] >= 2) { - int w = os2->panose[2]; - if (w <= 3) - weight = QFont::Light; - else if (w <= 5) - weight = QFont::Normal; - else if (w <= 7) - weight = QFont::DemiBold; - else if (w <= 8) - weight = QFont::Bold; - else if (w <= 10) - weight = QFont::Black; - } - } - - QString family = QString::fromAscii(face->family_name); - FontFile *fontFile = new FontFile; - fontFile->fileName = file; - fontFile->indexValue = index; - - QFont::Stretch stretch = QFont::Unstretched; - - registerFont(family,"",weight,style,stretch,true,true,0,writingSystems,fontFile); - - families.append(family); - - FT_Done_Face(face); - ++index; - } while (index < numFaces); - return families; -} |