| -rw-r--r-- | library/fontdatabase.cpp | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/library/fontdatabase.cpp b/library/fontdatabase.cpp index 50dcf3d..c64e645 100644 --- a/library/fontdatabase.cpp +++ b/library/fontdatabase.cpp @@ -1,235 +1,232 @@ /********************************************************************** -** Copyright (C) 2000 Trolltech AS. All rights reserved. +** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** -** This file is part of Qtopia Environment. +** This file is part of the Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include "qpeapplication.h" #include "fontfactoryinterface.h" #include "fontdatabase.h" #include <qpe/qlibrary.h> +#ifdef QWS #include <qfontmanager_qws.h> +#endif #include <qdir.h> #include <qdict.h> #include <stdio.h> #include <stdlib.h> static QString fontDir() { QString qtdir = getenv("QTDIR"); if ( qtdir.isEmpty() ) qtdir = "/usr/local/qt-embedded"; return qtdir+"/lib/fonts/"; } #ifdef QT_NO_FONTDATABASE static QString fontFamily( const QString& key ) { int u0 = key.find('_'); int u1 = key.find('_',u0+1); int u2 = key.find('_',u1+1); QString family = key.left(u0); //int pointSize = key.mid(u0+1,u1-u0-1).toInt(); //int weight = key.mid(u1+1,u2-u1-1).toInt(); //bool italic = key.mid(u2-1,1) == "i"; // #### ignores _t and _I fields return family; } #endif QValueList<FontFactory> *FontDatabase::factoryList = 0; /*! \class FontDatabase fontdatabase.h \brief The FontDatabase class provides information about available fonts. - Provides information about available fonts. - - FontDatabase provides information about the available fonts of the - underlying window system. + Most often you will simply want to query the database for the + available font families(). - Most often you will simply want to query the database for all font - families(), and their respective pointSizes(), styles() and charSets(). + Use FontDatabase rather than QFontDatabase when you may need access + to fonts that are not normally available. For example, if the + freetype library and the Qtopia freetype plugin are installed, + TrueType fonts will be available to your application. Font renderer + plugins have greater resource requirements than system fonts so they + should be used only when necessary. You can force the loading of + font renderer plugins with loadRenderers(). - Use FontDatabase rather than QFontDatabase when you may need access to - fonts not normally available. For example, if the freetype library and - Qtopia freetype plugin are installed TrueType fonts will be available - to your application. Font renderer plugins have greater resource - requirements than the system fonts so they should be used only when - necessary. + \ingroup qtopiaemb */ /*! - Constructs the FontDatabase class. + Constructs a FontDatabase object. */ FontDatabase::FontDatabase() #ifndef QT_NO_FONTDATABASE : QFontDatabase() #endif { if ( !factoryList ) loadRenderers(); } /*! - Returns a list of names of all available font families. + Returns a list of names of all the available font families. */ QStringList FontDatabase::families() const { #ifndef QT_NO_FONTDATABASE return QFontDatabase::families(); #else QStringList list; QDict<void> familyDict; QDiskFont *qdf; for ( qdf=qt_fontmanager->diskfonts.first(); qdf!=0; qdf=qt_fontmanager->diskfonts.next()) { QString familyname = qdf->name; if ( !familyDict.find( familyname ) ) { familyDict.insert( familyname, (void *)1 ); list.append( familyname ); } } QDir dir(fontDir(),"*.qpf"); for (int i=0; i<(int)dir.count(); i++) { QString familyname = fontFamily(dir[i]); if ( !familyDict.find( familyname ) ) { familyDict.insert( familyname, (void *)1 ); list.append( familyname ); } } return list; #endif } #ifdef QT_NO_FONTDATABASE /*! Returns a list of standard fontsizes. */ QValueList<int> FontDatabase::standardSizes() { static int s[]={ 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, 72, 0 }; static bool first = TRUE; static QValueList<int> sList; if ( first ) { first = FALSE; int i = 0; while( s[i] ) sList.append( s[i++] ); } return sList; } #endif /*! - Load any font renderer plugins that are available and make fonts that - the plugins can read available. + Load any font renderer plugins that are available and make the fonts + that the plugins can read available. */ void FontDatabase::loadRenderers() { #ifndef QT_NO_COMPONENT if ( !factoryList ) factoryList = new QValueList<FontFactory>; QValueList<FontFactory>::Iterator mit; for ( mit = factoryList->begin(); mit != factoryList->end(); ++mit ) { qt_fontmanager->factories.setAutoDelete( false ); qt_fontmanager->factories.removeRef( (*mit).factory ); qt_fontmanager->factories.setAutoDelete( true ); (*mit).interface->release(); (*mit).library->unload(); delete (*mit).library; } factoryList->clear(); QString path = QPEApplication::qpeDir() + "/plugins/fontfactories"; QDir dir( path, "lib*.so" ); QStringList list = dir.entryList(); QStringList::Iterator it; for ( it = list.begin(); it != list.end(); ++it ) { FontFactoryInterface *iface = 0; QLibrary *lib = new QLibrary( path + "/" + *it ); if ( lib->queryInterface( IID_FontFactory, (QUnknownInterface**)&iface ) == QS_OK ) { FontFactory factory; factory.library = lib; factory.interface = iface; factory.factory = factory.interface->fontFactory(); factoryList->append( factory ); qt_fontmanager->factories.append( factory.factory ); readFonts( factory.factory ); } else { delete lib; } } #endif } /*! \internal */ void FontDatabase::readFonts( QFontFactory *factory ) { - // Load in font definition file QString fn = fontDir() + "fontdir"; FILE* fontdef=fopen(fn.local8Bit(),"r"); if(!fontdef) { QCString temp=fn.local8Bit(); qWarning("Cannot find font definition file %s - is $QTDIR set correctly?", temp.data()); return; } char buf[200]=""; char name[200]=""; char render[200]=""; char file[200]=""; char flags[200]=""; char isitalic[10]=""; fgets(buf,200,fontdef); while(!feof(fontdef)) { if ( buf[0] != '#' ) { int weight=50; int size=0; flags[0]=0; sscanf(buf,"%s %s %s %s %d %d %s",name,file,render,isitalic,&weight,&size,flags); QString filename; if ( file[0] != '/' ) filename = fontDir(); filename += file; if ( QFile::exists(filename) ) { if( factory->name() == render ) { QDiskFont * qdf=new QDiskFont(factory,name,isitalic[0]=='y', weight,size,flags,filename); qt_fontmanager->diskfonts.append(qdf); -#ifndef QT_NO_FONTDATABASE #if QT_VERSION >= 232 QFontDatabase::qwsAddDiskFont( qdf ); #endif -#endif } } } fgets(buf,200,fontdef); } fclose(fontdef); } |