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authorTimothy Pearson <[email protected]>2011-07-10 15:24:15 -0500
committerTimothy Pearson <[email protected]>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /src/kernel/qfontdatabase.cpp
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
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diff --git a/src/kernel/qfontdatabase.cpp b/src/kernel/qfontdatabase.cpp
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+/****************************************************************************
+**
+** Implementation of font database class.
+**
+** Created : 990603
+**
+** Copyright (C) 1999-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the kernel module of the Qt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at [email protected].
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file. Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qfontdatabase.h"
+
+#ifndef QT_NO_FONTDATABASE
+
+#include <qtl.h>
+#include <qapplication.h>
+
+#include <private/qunicodetables_p.h>
+#include "qfontengine_p.h"
+
+#include <qcleanuphandler.h>
+
+#ifdef Q_WS_X11
+#include <locale.h>
+#endif
+#include <stdlib.h>
+
+//#define QFONTDATABASE_DEBUG
+#ifdef QFONTDATABASE_DEBUG
+# define FD_DEBUG qDebug
+#else
+# define FD_DEBUG if (FALSE) qDebug
+#endif
+
+//#define FONT_MATCH_DEBUG
+#ifdef FONT_MATCH_DEBUG
+# define FM_DEBUG qDebug
+#else
+# define FM_DEBUG if (FALSE) qDebug
+#endif
+
+#if defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET)
+# define for if(0){}else for
+#endif
+
+static int ucstricmp( const QString &as, const QString &bs )
+{
+ const QChar *a = as.unicode();
+ const QChar *b = bs.unicode();
+ if ( a == b )
+ return 0;
+ if ( a == 0 )
+ return 1;
+ if ( b == 0 )
+ return -1;
+ int l=QMIN(as.length(),bs.length());
+ while ( l-- && ::lower( *a ) == ::lower( *b ) )
+ a++,b++;
+ if ( l==-1 )
+ return ( as.length()-bs.length() );
+ return ::lower( *a ).unicode() - ::lower( *b ).unicode();
+}
+
+static int getFontWeight( const QString &weightString )
+{
+ QString s = weightString.lower();
+
+ // Test in decreasing order of commonness
+ if (s == "medium" ||
+ s == "normal")
+ return QFont::Normal;
+ if (s == "bold")
+ return QFont::Bold;
+ if (s == "demibold" || s == "demi bold")
+ return QFont::DemiBold;
+ if (s == "black")
+ return QFont::Black;
+ if (s == "light")
+ return QFont::Light;
+
+ if (s.contains("bold")) {
+ if (s.contains("demi"))
+ return (int) QFont::DemiBold;
+ return (int) QFont::Bold;
+ }
+
+ if (s.contains("light"))
+ return (int) QFont::Light;
+
+ if (s.contains("black"))
+ return (int) QFont::Black;
+
+ return (int) QFont::Normal;
+}
+
+#ifdef Q_WS_X11
+struct QtFontEncoding
+{
+ signed int encoding : 16;
+
+ uint xpoint : 16;
+ uint xres : 8;
+ uint yres : 8;
+ uint avgwidth : 16;
+ uchar pitch : 8;
+};
+#endif // Q_WS_X11
+
+struct QtFontSize
+{
+ unsigned short pixelSize;
+
+#ifdef Q_WS_X11
+ int count;
+ QtFontEncoding *encodings;
+ QtFontEncoding *encodingID( int id, uint xpoint = 0, uint xres = 0,
+ uint yres = 0, uint avgwidth = 0, bool add = FALSE);
+#endif // Q_WS_X11
+};
+
+
+#ifdef Q_WS_X11
+QtFontEncoding *QtFontSize::encodingID( int id, uint xpoint, uint xres,
+ uint yres, uint avgwidth, bool add )
+{
+ // we don't match using the xpoint, xres and yres parameters, only the id
+ for ( int i = 0; i < count; ++i ) {
+ if ( encodings[i].encoding == id )
+ return encodings + i;
+ }
+
+ if ( !add ) return 0;
+
+ if ( !(count % 4) )
+ encodings = ( QtFontEncoding * )
+ realloc( encodings,
+ (((count+4) >> 2 ) << 2 ) * sizeof( QtFontEncoding ) );
+ encodings[count].encoding = id;
+ encodings[count].xpoint = xpoint;
+ encodings[count].xres = xres;
+ encodings[count].yres = yres;
+ encodings[count].avgwidth = avgwidth;
+ encodings[count].pitch = '*';
+ return encodings + count++;
+}
+#endif // Q_WS_X11
+
+struct QtFontStyle
+{
+ struct Key {
+ Key( const QString &styleString );
+ Key() : italic( FALSE ), oblique( FALSE ),
+ weight( QFont::Normal ), stretch( 0 ) { }
+ Key( const Key &o ) : italic( o.italic ), oblique( o.oblique ),
+ weight( o.weight ), stretch( o.stretch ) { }
+ uint italic : 1;
+ uint oblique : 1;
+ signed int weight : 8;
+ signed int stretch : 12;
+
+ bool operator==( const Key & other ) {
+ return ( italic == other.italic &&
+ oblique == other.oblique &&
+ weight == other.weight &&
+ (stretch == 0 || other.stretch == 0 || stretch == other.stretch) );
+ }
+ bool operator!=( const Key &other ) {
+ return !operator==(other);
+ }
+ bool operator <( const Key &o ) {
+ int x = (italic << 13) + (oblique << 12) + (weight << 14) + stretch;
+ int y = (o.italic << 13) + (o.oblique << 12) + (o.weight << 14) + o.stretch;
+ return ( x < y );
+ }
+ };
+
+ QtFontStyle( const Key &k )
+ : key( k ), bitmapScalable( FALSE ), smoothScalable( FALSE ),
+ fakeOblique( FALSE ), count( 0 ), pixelSizes( 0 )
+ {
+#if defined(Q_WS_X11)
+ weightName = setwidthName = 0;
+#endif // Q_WS_X11
+ }
+
+ ~QtFontStyle() {
+#ifdef Q_WS_X11
+ delete [] weightName;
+ delete [] setwidthName;
+ while ( count-- )
+ free(pixelSizes[count].encodings);
+#endif
+ free( pixelSizes );
+ }
+
+ Key key;
+ bool bitmapScalable : 1;
+ bool smoothScalable : 1;
+ bool fakeOblique : 1;
+ int count : 29;
+ QtFontSize *pixelSizes;
+
+#ifdef Q_WS_X11
+ const char *weightName;
+ const char *setwidthName;
+#endif // Q_WS_X11
+
+ QtFontSize *pixelSize( unsigned short size, bool = FALSE );
+};
+
+QtFontStyle::Key::Key( const QString &styleString )
+ : italic( FALSE ), oblique( FALSE ), weight( QFont::Normal ), stretch( 0 )
+{
+ weight = getFontWeight( styleString );
+
+ if ( styleString.contains( "Italic" ) )
+ italic = TRUE;
+ else if ( styleString.contains( "Oblique" ) )
+ oblique = TRUE;
+}
+
+QtFontSize *QtFontStyle::pixelSize( unsigned short size, bool add )
+{
+ for ( int i = 0; i < count; i++ ) {
+ if ( pixelSizes[i].pixelSize == size )
+ return pixelSizes + i;
+ }
+ if ( !add )
+ return 0;
+
+ if ( !(count % 8) )
+ pixelSizes = (QtFontSize *)
+ realloc( pixelSizes,
+ (((count+8) >> 3 ) << 3) * sizeof(QtFontSize) );
+ pixelSizes[count].pixelSize = size;
+#ifdef Q_WS_X11
+ pixelSizes[count].count = 0;
+ pixelSizes[count].encodings = 0;
+#endif
+ return pixelSizes + (count++);
+}
+
+struct QtFontFoundry
+{
+ QtFontFoundry( const QString &n ) : name( n ), count( 0 ), styles( 0 ) {}
+ ~QtFontFoundry() {
+ while ( count-- )
+ delete styles[count];
+ free( styles );
+ }
+
+ QString name;
+
+ int count;
+ QtFontStyle **styles;
+ QtFontStyle *style( const QtFontStyle::Key &, bool = FALSE );
+};
+
+QtFontStyle *QtFontFoundry::style( const QtFontStyle::Key &key, bool create )
+{
+ int pos = 0;
+ if ( count ) {
+ int low = 0;
+ int high = count;
+ pos = count / 2;
+ while ( high > low ) {
+ if ( styles[pos]->key == key )
+ return styles[pos];
+ if ( styles[pos]->key < key )
+ low = pos + 1;
+ else
+ high = pos;
+ pos = (high + low) / 2;
+ };
+ pos = low;
+ }
+ if ( !create )
+ return 0;
+
+// qDebug("adding key (weight=%d, italic=%d, oblique=%d stretch=%d) at %d", key.weight, key.italic, key.oblique, key.stretch, pos );
+ if ( !(count % 8) )
+ styles = (QtFontStyle **)
+ realloc( styles, (((count+8) >> 3 ) << 3) * sizeof( QtFontStyle * ) );
+
+ memmove( styles + pos + 1, styles + pos, (count-pos)*sizeof(QtFontStyle *) );
+ styles[pos] = new QtFontStyle( key );
+ count++;
+ return styles[pos];
+}
+
+
+struct QtFontFamily
+{
+ enum ScriptStatus { Unknown = 0, Supported = 1,
+ UnSupported_Xft= 2, UnSupported_Xlfd = 4, UnSupported = 6 };
+
+ QtFontFamily(const QString &n )
+ :
+#ifdef Q_WS_X11
+ fixedPitch( TRUE ), hasXft( FALSE ), xftScriptCheck( FALSE ), xlfdLoaded( FALSE ), synthetic(FALSE),
+#else
+ fixedPitch( FALSE ),
+#endif
+#ifdef Q_WS_WIN
+ scriptCheck( FALSE ),
+#endif
+#if defined(Q_OS_MAC) && !defined(QWS)
+ fixedPitchComputed(FALSE),
+#endif
+ fullyLoaded( FALSE ),
+ name( n ), count( 0 ), foundries( 0 ) {
+ memset( scripts, 0, sizeof( scripts ) );
+ }
+ ~QtFontFamily() {
+ while ( count-- )
+ delete foundries[count];
+ free( foundries );
+ }
+
+ bool fixedPitch : 1;
+#ifdef Q_WS_X11
+ bool hasXft : 1;
+ bool xftScriptCheck : 1;
+ bool xlfdLoaded : 1;
+ bool synthetic : 1;
+#endif
+#ifdef Q_WS_WIN
+ bool scriptCheck : 1;
+#endif
+#if defined(Q_OS_MAC) && !defined(QWS)
+ bool fixedPitchComputed : 1;
+#endif
+ bool fullyLoaded : 1;
+ QString name;
+ QString rawName;
+#ifdef Q_WS_X11
+ QCString fontFilename;
+ int fontFileIndex;
+#endif
+#ifdef Q_WS_MAC
+ FMFontFamily macFamily;
+#endif
+#ifdef Q_WS_WIN
+ QString english_name;
+#endif
+ int count;
+ QtFontFoundry **foundries;
+
+ unsigned char scripts[QFont::LastPrivateScript];
+
+ QtFontFoundry *foundry( const QString &f, bool = FALSE );
+};
+
+QtFontFoundry *QtFontFamily::foundry( const QString &f, bool create )
+{
+ if ( f.isNull() && count == 1 )
+ return foundries[0];
+
+ for ( int i = 0; i < count; i++ ) {
+ if ( ucstricmp( foundries[i]->name, f ) == 0 )
+ return foundries[i];
+ }
+ if ( !create )
+ return 0;
+
+ if ( !(count % 8) )
+ foundries = (QtFontFoundry **)
+ realloc( foundries,
+ (((count+8) >> 3 ) << 3) * sizeof( QtFontFoundry * ) );
+
+ foundries[count] = new QtFontFoundry( f );
+ return foundries[count++];
+}
+
+class QFontDatabasePrivate {
+public:
+ QFontDatabasePrivate() : count( 0 ), families( 0 ) { }
+ ~QFontDatabasePrivate() {
+ while ( count-- )
+ delete families[count];
+ free( families );
+ }
+ QtFontFamily *family( const QString &f, bool = FALSE );
+
+ int count;
+ QtFontFamily **families;
+};
+
+QtFontFamily *QFontDatabasePrivate::family( const QString &f, bool create )
+{
+ int low = 0;
+ int high = count;
+ int pos = count / 2;
+ int res = 1;
+ if ( count ) {
+ while ( (res = ucstricmp( families[pos]->name, f )) && pos != low ) {
+ if ( res > 0 )
+ high = pos;
+ else
+ low = pos;
+ pos = (high + low) / 2;
+ };
+ if ( !res )
+ return families[pos];
+ }
+ if ( !create )
+ return 0;
+
+ if ( res < 0 )
+ pos++;
+
+ // qDebug("adding family %s at %d total=%d", f.latin1(), pos, count);
+ if ( !(count % 8) )
+ families = (QtFontFamily **)
+ realloc( families,
+ (((count+8) >> 3 ) << 3) * sizeof( QtFontFamily * ) );
+
+ memmove( families + pos + 1, families + pos, (count-pos)*sizeof(QtFontFamily *) );
+ families[pos] = new QtFontFamily( f );
+ count++;
+ return families[pos];
+}
+
+
+
+
+#if defined(Q_WS_X11) || defined(Q_WS_WIN)
+static const unsigned short sample_chars[QFont::LastPrivateScript][14] =
+{
+ // European Alphabetic Scripts
+ // Latin,
+ { 0x0041, 0x0 },
+ // Greek,
+ { 0x0391, 0x0 },
+ // Cyrillic,
+ { 0x0410, 0x0 },
+ // Armenian,
+ { 0x0540, 0x0 },
+ // Georgian,
+ { 0x10d0, 0x0 },
+ // Runic,
+ { 0x16a0, 0x0 },
+ // Ogham,
+ { 0x1680, 0x0 },
+ // SpacingModifiers,
+ { 0x02c6, 0x0 },
+ // CombiningMarks,
+ { 0x0300, 0x0 },
+
+ // Middle Eastern Scripts
+ // Hebrew,
+ { 0x05d0, 0x0 },
+ // Arabic,
+ { 0x0630, 0x0 },
+ // Syriac,
+ { 0x0710, 0x0 },
+ // Thaana,
+ { 0x0780, 0x0 },
+
+ // South and Southeast Asian Scripts
+ // Devanagari,
+ { 0x0910, 0x0 },
+ // Bengali,
+ { 0x0990, 0x0 },
+ // Gurmukhi,
+ { 0x0a10, 0x0 },
+ // Gujarati,
+ { 0x0a90, 0x0 },
+ // Oriya,
+ { 0x0b10, 0x0 },
+ // Tamil,
+ { 0x0b90, 0x0 },
+ // Telugu,
+ { 0x0c10, 0x0 },
+ // Kannada,
+ { 0x0c90, 0x0 },
+ // Malayalam,
+ { 0x0d10, 0x0 },
+ // Sinhala,
+ { 0x0d90, 0x0 },
+ // Thai,
+ { 0x0e10, 0x0 },
+ // Lao,
+ { 0x0e81, 0x0 },
+ // Tibetan,
+ { 0x0f00, 0x0 },
+ // Myanmar,
+ { 0x1000, 0x0 },
+ // Khmer,
+ { 0x1780, 0x0 },
+
+ // East Asian Scripts
+ // Han,
+ { 0x4e00, 0x0 },
+ // Hiragana,
+ { 0x3050, 0x4e00, 0x25EF, 0x3012, 0x3013, 0x30FB, 0x30FC, 0x5CE0, 0 },
+ // Katakana,
+ { 0x30b0, 0x4e00, 0x25EF, 0x3012, 0x3013, 0x30FB, 0x30FC, 0x5CE0, 0 },
+ // Hangul,
+ { 0xac00, 0x0 },
+ // Bopomofo,
+ { 0x3110, 0x0 },
+ // Yi,
+ { 0xa000, 0x0 },
+
+ // Additional Scripts
+ // Ethiopic,
+ { 0x1200, 0x0 },
+ // Cherokee,
+ { 0x13a0, 0x0 },
+ // CanadianAboriginal,
+ { 0x1410, 0x0 },
+ // Mongolian,
+ { 0x1800, 0x0 },
+
+ // Symbols
+ // CurrencySymbols,
+ { 0x20aa, 0x0 },
+ // LetterlikeSymbols,
+ { 0x2103, 0x0 },
+ // NumberForms,
+ { 0x2160, 0x0 },
+ // MathematicalOperators,
+ { 0x222b, 0x0 },
+ // TechnicalSymbols,
+ { 0x2312, 0x0 },
+ // GeometricSymbols,
+ { 0x2500, 0x0 },
+ // MiscellaneousSymbols,
+ { 0x2640, 0x2714, 0x0 },
+ // EnclosedAndSquare,
+ { 0x2460, 0x0 },
+ // Braille,
+ { 0x2800, 0x0 },
+
+ // Unicode,
+ { 0xfffd, 0x0 },
+
+ // some scripts added in Unicode 3.2
+ // Tagalog,
+ { 0x1700, 0x0 },
+ // Hanunoo,
+ { 0x1720, 0x0 },
+ // Buhid,
+ { 0x1740, 0x0 },
+ // Tagbanwa,
+ { 0x1770, 0x0 },
+
+ // KatakanaHalfWidth
+ { 0xff65, 0x0 },
+
+ // Limbu
+ { 0x1901, 0x0 },
+ // TaiLe
+ { 0x1950, 0x0 },
+
+ // NScripts
+ { 0x0000, 0x0 },
+ // NoScript
+ { 0x0000, 0x0 },
+
+ // Han_Japanese
+ { 0x4e00, 0x25EF, 0x3012, 0x3013, 0x30FB, 0x5CE0, 0 },
+ // Han_SimplifiedChinese, 0x3400 is optional
+ { 0x4e00, 0x201C, 0x3002, 0x6237, 0x9555, 0xFFE5, 0 },
+ // Han_TraditionalChinese, 0xF6B1 is optional
+ // OR Han_HongkongChinese, 0x3435, 0xE000, 0xF6B1 are optional
+ { 0x4e00, 0x201C, 0x3002, 0x6236, 0x9F98, 0xFFE5, 0 },
+ // Han_Korean
+ { 0x4e00, 0 }
+ // Taiwan would be 0x201C, 0x3002, 0x4E00, 0x9F98, 0xFFE5
+};
+
+#if defined(Q_WS_X11) && !defined(QT_NO_XFTFREETYPE)
+static inline bool requiresOpenType(QFont::Script s)
+{
+ return (s >= QFont::Syriac && s <= QFont::Sinhala)
+ || (s >= QFont::Myanmar && s <= QFont::Khmer);
+}
+#endif
+
+static inline bool canRender( QFontEngine *fe, QFont::Script script )
+{
+ if ( !fe ) return FALSE;
+
+ bool hasChar = true;
+
+ if (!sample_chars[script][0])
+ hasChar = false;
+
+ int i = 0;
+ while (hasChar && sample_chars[script][i]){
+ QChar sample(sample_chars[script][i]);
+ if ( !fe->canRender( &sample, 1 ) ) {
+ hasChar = false;
+#ifdef FONT_MATCH_DEBUG
+ FM_DEBUG(" font has NOT char 0x%04x", sample.unicode() );
+ } else {
+ FM_DEBUG(" font has char 0x%04x", sample.unicode() );
+#endif
+ }
+ ++i;
+ }
+#if defined(Q_WS_X11) && !defined(QT_NO_XFTFREETYPE)
+ if (hasChar && requiresOpenType(script)) {
+ QOpenType *ot = fe->openType();
+ if (!ot || !ot->supportsScript(script))
+ return FALSE;
+ }
+#endif
+
+ return hasChar;
+}
+#endif // Q_WS_X11 || Q_WS_WIN
+
+
+static QSingleCleanupHandler<QFontDatabasePrivate> qfontdatabase_cleanup;
+static QFontDatabasePrivate *db=0;
+#define SMOOTH_SCALABLE 0xffff
+
+#if defined( Q_WS_X11 )
+# include "qfontdatabase_x11.cpp"
+#elif defined( Q_WS_MAC )
+# include "qfontdatabase_mac.cpp"
+#elif defined( Q_WS_WIN )
+# include "qfontdatabase_win.cpp"
+#elif defined( Q_WS_QWS )
+# include "qfontdatabase_qws.cpp"
+#endif
+
+static QtFontStyle *bestStyle(QtFontFoundry *foundry, const QtFontStyle::Key &styleKey)
+{
+ int best = 0;
+ int dist = 0xffff;
+
+ for ( int i = 0; i < foundry->count; i++ ) {
+ QtFontStyle *style = foundry->styles[i];
+
+ int d = QABS( styleKey.weight - style->key.weight );
+
+ if ( styleKey.stretch != 0 && style->key.stretch != 0 ) {
+ d += QABS( styleKey.stretch - style->key.stretch );
+ }
+
+ if ( styleKey.italic ) {
+ if ( !style->key.italic )
+ d += style->key.oblique ? 0x0001 : 0x1000;
+ } else if ( styleKey.oblique ) {
+ if (!style->key.oblique )
+ d += style->key.italic ? 0x0001 : 0x1000;
+ } else if ( style->key.italic || style->key.oblique ) {
+ d += 0x1000;
+ }
+
+ if ( d < dist ) {
+ best = i;
+ dist = d;
+ }
+ }
+
+ FM_DEBUG( " best style has distance 0x%x", dist );
+ if (!foundry->count) {
+ QtFontStyle *temp = NULL;
+ return temp;
+ }
+ return foundry->styles[best];
+}
+
+#if defined(Q_WS_X11)
+static QtFontEncoding *findEncoding(QFont::Script script, int styleStrategy,
+ QtFontSize *size, int force_encoding_id)
+{
+ QtFontEncoding *encoding = 0;
+
+ if (force_encoding_id >= 0) {
+ encoding = size->encodingID(force_encoding_id);
+ if (!encoding)
+ FM_DEBUG(" required encoding_id not available");
+ return encoding;
+ }
+
+ if (styleStrategy & (QFont::OpenGLCompatible | QFont::PreferBitmap)) {
+ FM_DEBUG(" PreferBitmap and/or OpenGL set, skipping Xft");
+ } else {
+ encoding = size->encodingID(-1); // -1 == prefer Xft
+ if (encoding) return encoding;
+ }
+
+ // Xft not available, find an XLFD font, trying the default encoding first
+ encoding = size->encodingID(QFontPrivate::defaultEncodingID);
+
+ if (!encoding || !scripts_for_xlfd_encoding[encoding->encoding][script]) {
+ // find the first encoding that supports the requested script
+ encoding = 0;
+ for (int x = 0; !encoding && x < size->count; ++x) {
+ const int enc = size->encodings[x].encoding;
+ if (scripts_for_xlfd_encoding[enc][script]) {
+ encoding = size->encodings + x;
+ break;
+ }
+ }
+ }
+
+ return encoding;
+}
+#endif // Q_WS_X11
+
+
+#if defined(Q_WS_X11) || defined(Q_WS_WIN)
+static
+unsigned int bestFoundry( QFont::Script script, unsigned int score, int styleStrategy,
+ const QtFontFamily *family, const QString &foundry_name,
+ QtFontStyle::Key styleKey, int pixelSize, char pitch,
+ QtFontFoundry **best_foundry, QtFontStyle **best_style,
+ QtFontSize **best_size
+#ifdef Q_WS_X11
+ , QtFontEncoding **best_encoding, int force_encoding_id
+#endif
+ )
+{
+ Q_UNUSED( script );
+ Q_UNUSED( pitch );
+
+ FM_DEBUG( " REMARK: looking for best foundry for family '%s'", family->name.latin1() );
+
+ for ( int x = 0; x < family->count; ++x ) {
+ QtFontFoundry *foundry = family->foundries[x];
+ if ( ! foundry_name.isEmpty() &&
+ ucstricmp( foundry->name, foundry_name ) != 0 )
+ continue;
+
+ FM_DEBUG( " looking for matching style in foundry '%s'",
+ foundry->name.isEmpty() ? "-- none --" : foundry->name.latin1() );
+
+ QtFontStyle *style = bestStyle(foundry, styleKey);
+
+ if ( ! style->smoothScalable && ( styleStrategy & QFont::ForceOutline ) ) {
+ FM_DEBUG( " ForceOutline set, but not smoothly scalable" );
+ continue;
+ }
+
+ int px = -1;
+ QtFontSize *size = 0;
+
+ // 1. see if we have an exact matching size
+ if (! (styleStrategy & QFont::ForceOutline)) {
+ size = style->pixelSize(pixelSize);
+ if (size) {
+ FM_DEBUG(" found exact size match (%d pixels)", size->pixelSize);
+ px = size->pixelSize;
+ }
+ }
+
+ // 2. see if we have a smoothly scalable font
+ if (! size && style->smoothScalable && ! (styleStrategy & QFont::PreferBitmap)) {
+ size = style->pixelSize(SMOOTH_SCALABLE);
+ if (size) {
+ FM_DEBUG(" found smoothly scalable font (%d pixels)", pixelSize);
+ px = pixelSize;
+ }
+ }
+
+ // 3. see if we have a bitmap scalable font
+ if (! size && style->bitmapScalable && (styleStrategy & QFont::PreferMatch)) {
+ size = style->pixelSize(0);
+ if (size) {
+ FM_DEBUG(" found bitmap scalable font (%d pixels)", pixelSize);
+ px = pixelSize;
+ }
+ }
+
+#ifdef Q_WS_X11
+ QtFontEncoding *encoding = 0;
+#endif
+
+ // 4. find closest size match
+ if (! size) {
+ unsigned int distance = ~0u;
+ for (int x = 0; x < style->count; ++x) {
+#ifdef Q_WS_X11
+ encoding =
+ findEncoding(script, styleStrategy, style->pixelSizes + x, force_encoding_id);
+ if (!encoding) {
+ FM_DEBUG(" size %3d does not support the script we want",
+ style->pixelSizes[x].pixelSize);
+ continue;
+ }
+#endif
+
+ unsigned int d = QABS(style->pixelSizes[x].pixelSize - pixelSize);
+ if (d < distance) {
+ distance = d;
+ size = style->pixelSizes + x;
+ FM_DEBUG(" best size so far: %3d (%d)", size->pixelSize, pixelSize);
+ }
+ }
+
+ if (!size) {
+ FM_DEBUG(" no size supports the script we want");
+ continue;
+ }
+
+ if (style->bitmapScalable && ! (styleStrategy & QFont::PreferQuality) &&
+ (distance * 10 / pixelSize) >= 2) {
+ // the closest size is not close enough, go ahead and
+ // use a bitmap scaled font
+ size = style->pixelSize(0);
+ px = pixelSize;
+ } else {
+ px = size->pixelSize;
+ }
+ }
+
+#ifdef Q_WS_X11
+ if (size) {
+ encoding = findEncoding(script, styleStrategy, size, force_encoding_id);
+ if (!encoding) size = 0;
+ }
+ if ( ! encoding ) {
+ FM_DEBUG( " foundry doesn't support the script we want" );
+ continue;
+ }
+#endif // Q_WS_X11
+
+ unsigned int this_score = 0x0000;
+ enum {
+ PitchMismatch = 0x4000,
+ StyleMismatch = 0x2000,
+ BitmapScaledPenalty = 0x1000,
+ EncodingMismatch = 0x0002,
+ XLFDPenalty = 0x0001
+ };
+
+#ifdef Q_WS_X11
+ if ( encoding->encoding != -1 ) {
+ this_score += XLFDPenalty;
+ if ( encoding->encoding != QFontPrivate::defaultEncodingID )
+ this_score += EncodingMismatch;
+ }
+ if (pitch != '*') {
+ if ( !( pitch == 'm' && encoding->pitch == 'c' ) && pitch != encoding->pitch )
+ this_score += PitchMismatch;
+ }
+#else
+ // ignore pitch for asian fonts, some of them misreport it, and they are all
+ // fixed pitch anyway.
+ if (pitch != '*' && (script <= QFont::NScripts && script != QFont::KatakanaHalfWidth
+ && (script < QFont::Han || script > QFont::Yi))) {
+ if ((pitch == 'm' && !family->fixedPitch)
+ || (pitch == 'p' && family->fixedPitch))
+ this_score += PitchMismatch;
+ }
+#endif
+ if ( styleKey != style->key )
+ this_score += StyleMismatch;
+ if ( !style->smoothScalable && px != size->pixelSize ) // bitmap scaled
+ this_score += BitmapScaledPenalty;
+ if (px != pixelSize) // close, but not exact, size match
+ this_score += QABS(px - pixelSize);
+
+ if ( this_score < score ) {
+ FM_DEBUG( " found a match: score %x best score so far %x",
+ this_score, score );
+
+ score = this_score;
+ *best_foundry = foundry;
+ *best_style = style;
+ *best_size = size;
+#ifdef Q_WS_X11
+ *best_encoding = encoding;
+#endif // Q_WS_X11
+ } else {
+ FM_DEBUG( " score %x no better than best %x", this_score, score);
+ }
+ }
+
+ return score;
+}
+
+/*!
+ \internal
+*/
+QFontEngine *
+QFontDatabase::findFont( QFont::Script script, const QFontPrivate *fp,
+ const QFontDef &request, int force_encoding_id )
+{
+#ifndef Q_WS_X11
+ Q_UNUSED( force_encoding_id );
+#endif
+
+ if ( !db )
+ initializeDb();
+
+ QFontEngine *fe = 0;
+ if ( fp ) {
+ if ( fp->rawMode ) {
+ fe = loadEngine( script, fp, request, 0, 0, 0
+#ifdef Q_WS_X11
+ , 0, 0, FALSE
+#endif
+ );
+
+ // if we fail to load the rawmode font, use a 12pixel box engine instead
+ if (! fe) fe = new QFontEngineBox( 12 );
+ return fe;
+ }
+
+ QFontCache::Key key( request, script,
+#ifdef Q_WS_WIN
+ (int)fp->paintdevice,
+#else
+ fp->screen,
+#endif
+ fp->paintdevice
+ );
+ fe = QFontCache::instance->findEngine( key );
+ if ( fe ) return fe;
+ }
+
+#ifdef Q_WS_WIN
+ if (request.styleStrategy & QFont::PreferDevice) {
+ QFontEngine *fe = loadEngine(script, fp, request, 0, 0, 0);
+ if(fe)
+ return fe;
+ }
+#endif
+
+ QString family_name, foundry_name;
+ QtFontStyle::Key styleKey;
+ styleKey.italic = request.italic;
+ styleKey.weight = request.weight;
+ styleKey.stretch = request.stretch;
+ char pitch = request.ignorePitch ? '*' : request.fixedPitch ? 'm' : 'p';
+
+ parseFontName( request.family, foundry_name, family_name );
+
+#ifdef Q_WS_X11
+ if (script == QFont::Han) {
+ // modify script according to locale
+ static QFont::Script defaultHan;
+ QCString locale = setlocale(LC_ALL, NULL);
+
+ if (locale.contains("ko"))
+ defaultHan = QFont::Han_Korean;
+ else if (locale.contains("zh_TW") || locale.contains("zh_HK"))
+ defaultHan = QFont::Han_TraditionalChinese;
+ else if (locale.contains("zh"))
+ defaultHan = QFont::Han_SimplifiedChinese;
+ else if (locale.contains("ja"))
+ defaultHan = QFont::Han_Japanese;
+ else
+ defaultHan = QFont::Han; // don't change
+
+ script = defaultHan;
+ }
+#endif
+
+ FM_DEBUG( "QFontDatabase::findFont\n"
+ " request:\n"
+ " family: %s [%s], script: %d (%s)\n"
+ " weight: %d, italic: %d\n"
+ " stretch: %d\n"
+ " pixelSize: %d\n"
+ " pitch: %c",
+ family_name.isEmpty() ? "-- first in script --" : family_name.latin1(),
+ foundry_name.isEmpty() ? "-- any --" : foundry_name.latin1(),
+ script, scriptName( script ).latin1(),
+ request.weight, request.italic, request.stretch, request.pixelSize, pitch );
+
+ bool usesFontConfig = FALSE;
+#ifdef QT_XFT2
+ if (family_name.isEmpty()
+ || family_name == "Sans Serif"
+ || family_name == "Serif"
+ || family_name == "Monospace") {
+ fe = loadFontConfigFont(fp, request, script);
+ usesFontConfig = (fe != 0);
+ }
+ if (!fe)
+#endif
+ {
+ QtFontFamily *best_family = 0;
+ QtFontFoundry *best_foundry = 0;
+ QtFontStyle *best_style = 0;
+ QtFontSize *best_size = 0;
+#ifdef Q_WS_X11
+ QtFontEncoding *best_encoding = 0;
+#endif // Q_WS_X11
+
+ unsigned int score = ~0;
+
+ load( family_name, script );
+
+ for ( int x = 0; x < db->count; ++x ) {
+ QtFontFamily *try_family = db->families[x];
+#ifdef Q_WS_X11
+ if (try_family->synthetic) // skip generated fontconfig fonts
+ continue;
+#endif
+
+ if ( !family_name.isEmpty() &&
+ ucstricmp( try_family->name, family_name ) != 0
+#ifdef Q_WS_WIN
+ && ucstricmp( try_family->english_name, family_name ) != 0
+#endif
+ )
+ continue;
+
+ if ( family_name.isEmpty() )
+ load( try_family->name, script );
+
+ uint score_adjust = 0;
+ QFont::Script override_script = script;
+ if ( ! ( try_family->scripts[script] & QtFontFamily::Supported )
+ && script != QFont::Unicode) {
+ // family not supported in the script we want
+#ifdef Q_WS_X11
+ if (script >= QFont::Han_Japanese && script <= QFont::Han_Korean
+ && try_family->scripts[QFont::Han] == QtFontFamily::Supported) {
+ // try with the han script instead, give it a penalty
+ if (override_script == QFont::Han_TraditionalChinese
+ && (try_family->scripts[QFont::Han_SimplifiedChinese] & QtFontFamily::Supported)) {
+ override_script = QFont::Han_SimplifiedChinese;
+ score_adjust = 200;
+ } else if (override_script == QFont::Han_SimplifiedChinese
+ && (try_family->scripts[QFont::Han_TraditionalChinese] & QtFontFamily::Supported)) {
+ override_script = QFont::Han_TraditionalChinese;
+ score_adjust = 200;
+ } else {
+ override_script = QFont::Han;
+ score_adjust = 400;
+ }
+ } else
+#endif
+ if (family_name.isEmpty()) {
+ continue;
+ } else if (try_family->scripts[QFont::UnknownScript] & QtFontFamily::Supported) {
+ // try with the unknown script (for a symbol font)
+ override_script = QFont::UnknownScript;
+#ifndef QT_XFT2
+ } else if (try_family->scripts[QFont::Unicode] & QtFontFamily::Supported) {
+ // try with the unicode script instead
+ override_script = QFont::Unicode;
+#endif
+ } else {
+ // family not supported by unicode/unknown scripts
+ continue;
+ }
+ }
+
+ QtFontFoundry *try_foundry = 0;
+ QtFontStyle *try_style = 0;
+ QtFontSize *try_size = 0;
+#ifdef Q_WS_X11
+ QtFontEncoding *try_encoding = 0;
+#endif // Q_WS_X11
+
+ // as we know the script is supported, we can be sure
+ // to find a matching font here.
+ unsigned int newscore =
+ bestFoundry( override_script, score, request.styleStrategy,
+ try_family, foundry_name, styleKey, request.pixelSize, pitch,
+ &try_foundry, &try_style, &try_size
+#ifdef Q_WS_X11
+ , &try_encoding, force_encoding_id
+#endif
+ );
+ if ( try_foundry == 0 ) {
+ // the specific foundry was not found, so look for
+ // any foundry matching our requirements
+ newscore = bestFoundry( override_script, score, request.styleStrategy, try_family,
+ QString::null, styleKey, request.pixelSize,
+ pitch, &try_foundry, &try_style, &try_size
+#ifdef Q_WS_X11
+ , &try_encoding, force_encoding_id
+#endif
+ );
+ }
+ newscore += score_adjust;
+
+ if ( newscore < score ) {
+ score = newscore;
+ best_family = try_family;
+ best_foundry = try_foundry;
+ best_style = try_style;
+ best_size = try_size;
+#ifdef Q_WS_X11
+ best_encoding = try_encoding;
+#endif // Q_WS_X11
+ }
+ if ( newscore < 10 ) // xlfd instead of xft... just accept it
+ break;
+ }
+
+ if ( best_family != 0 && best_foundry != 0 && best_style != 0
+#ifdef Q_WS_X11
+ && best_size != 0 && best_encoding != 0
+#endif
+ ) {
+ FM_DEBUG( " BEST:\n"
+ " family: %s [%s]\n"
+ " weight: %d, italic: %d, oblique: %d\n"
+ " stretch: %d\n"
+ " pixelSize: %d\n"
+ " pitch: %c\n"
+ " encoding: %d\n",
+ best_family->name.latin1(),
+ best_foundry->name.isEmpty() ? "-- none --" : best_foundry->name.latin1(),
+ best_style->key.weight, best_style->key.italic, best_style->key.oblique,
+ best_style->key.stretch, best_size ? best_size->pixelSize : 0xffff,
+#ifdef Q_WS_X11
+ best_encoding->pitch, best_encoding->encoding
+#else
+ 'p', 0
+#endif
+ );
+
+ fe = loadEngine( script, fp, request, best_family, best_foundry, best_style
+#ifdef Q_WS_X11
+ , best_size, best_encoding, ( force_encoding_id >= 0 )
+#endif
+ );
+ }
+ if (fe) {
+ fe->fontDef.family = best_family->name;
+ if ( ! best_foundry->name.isEmpty() ) {
+ fe->fontDef.family += QString::fromLatin1( " [" );
+ fe->fontDef.family += best_foundry->name;
+ fe->fontDef.family += QString::fromLatin1( "]" );
+ }
+
+ if ( best_style->smoothScalable )
+ fe->fontDef.pixelSize = request.pixelSize;
+ else if ( best_style->bitmapScalable &&
+ ( request.styleStrategy & QFont::PreferMatch ) )
+ fe->fontDef.pixelSize = request.pixelSize;
+ else
+ fe->fontDef.pixelSize = best_size->pixelSize;
+
+ fe->fontDef.styleHint = request.styleHint;
+ fe->fontDef.styleStrategy = request.styleStrategy;
+
+ fe->fontDef.weight = best_style->key.weight;
+ fe->fontDef.italic = best_style->key.italic || best_style->key.oblique;
+ fe->fontDef.fixedPitch = best_family->fixedPitch;
+ fe->fontDef.stretch = best_style->key.stretch;
+ fe->fontDef.ignorePitch = FALSE;
+ }
+ }
+
+ if ( fe ) {
+ if ( script != QFont::Unicode && !canRender( fe, script ) ) {
+ FM_DEBUG( " WARN: font loaded cannot render a sample char" );
+
+ delete fe;
+ fe = 0;
+ } else if ( fp ) {
+ QFontDef def = request;
+ if (def.family.isEmpty()) {
+ def.family = fp->request.family;
+ def.family = def.family.left(def.family.find(','));
+ }
+ QFontCache::Key key( def, script,
+#ifdef Q_WS_WIN
+ (int)fp->paintdevice,
+#else
+ fp->screen,
+#endif
+ fp->paintdevice
+ );
+ QFontCache::instance->insertEngine( key, fe );
+ if (!usesFontConfig) {
+ for ( int i = 0; i < QFont::NScripts; ++i ) {
+ if ( i == script ) continue;
+
+ if (!canRender(fe, (QFont::Script) i))
+ continue;
+
+ key.script = i;
+ QFontCache::instance->insertEngine( key, fe );
+ }
+ }
+ }
+ }
+
+ if (!fe) {
+ if ( !request.family.isEmpty() )
+ return 0;
+
+ FM_DEBUG( "returning box engine" );
+
+ fe = new QFontEngineBox( request.pixelSize );
+ fe->fontDef = request;
+
+ if ( fp ) {
+ QFontCache::Key key( request, script,
+#ifdef Q_WS_WIN
+ (int)fp->paintdevice,
+#else
+ fp->screen,
+#endif
+ fp->paintdevice
+ );
+ QFontCache::instance->insertEngine( key, fe );
+ }
+ }
+
+ if ( fp ) {
+#if defined(Q_WS_X11)
+ fe->fontDef.pointSize =
+ qRound(10. * qt_pointSize(fe->fontDef.pixelSize, fp->paintdevice, fp->screen));
+#elif defined(Q_WS_WIN)
+ fe->fontDef.pointSize = int( double( fe->fontDef.pixelSize ) * 720.0 /
+ GetDeviceCaps(shared_dc,LOGPIXELSY) );
+#else
+ fe->fontDef.pointSize = int( double( fe->fontDef.pixelSize ) * 720.0 /
+ 96.0 );
+#endif
+ } else {
+ fe->fontDef.pointSize = request.pointSize;
+ }
+
+ return fe;
+}
+#endif // Q_WS_X11 || Q_WS_WIN
+
+
+
+
+static QString styleString( int weight, bool italic, bool oblique )
+{
+ QString result;
+ if ( weight >= QFont::Black )
+ result = "Black";
+ else if ( weight >= QFont::Bold )
+ result = "Bold";
+ else if ( weight >= QFont::DemiBold )
+ result = "Demi Bold";
+ else if ( weight < QFont::Normal )
+ result = "Light";
+
+ if ( italic )
+ result += " Italic";
+ else if ( oblique )
+ result += " Oblique";
+
+ if ( result.isEmpty() )
+ result = "Normal";
+
+ return result.simplifyWhiteSpace();
+}
+
+/*!
+ Returns a string that describes the style of the font \a f. For
+ example, "Bold Italic", "Bold", "Italic" or "Normal". An empty
+ string may be returned.
+*/
+QString QFontDatabase::styleString( const QFont &f )
+{
+ // ### fix oblique here
+ return ::styleString( f.weight(), f.italic(), FALSE );
+}
+
+
+/*!
+ \class QFontDatabase qfontdatabase.h
+ \brief The QFontDatabase class provides information about the fonts available in the underlying window system.
+
+ \ingroup environment
+ \ingroup graphics
+
+ The most common uses of this class are to query the database for
+ the list of font families() and for the pointSizes() and styles()
+ that are available for each family. An alternative to pointSizes()
+ is smoothSizes() which returns the sizes at which a given family
+ and style will look attractive.
+
+ If the font family is available from two or more foundries the
+ foundry name is included in the family name, e.g. "Helvetica
+ [Adobe]" and "Helvetica [Cronyx]". When you specify a family you
+ can either use the old hyphenated Qt 2.x "foundry-family" format,
+ e.g. "Cronyx-Helvetica", or the new bracketed Qt 3.x "family
+ [foundry]" format e.g. "Helvetica [Cronyx]". If the family has a
+ foundry it is always returned, e.g. by families(), using the
+ bracketed format.
+
+ The font() function returns a QFont given a family, style and
+ point size.
+
+ A family and style combination can be checked to see if it is
+ italic() or bold(), and to retrieve its weight(). Similarly we can
+ call isBitmapScalable(), isSmoothlyScalable(), isScalable() and
+ isFixedPitch().
+
+ A text version of a style is given by styleString().
+
+ The QFontDatabase class also supports some static functions, for
+ example, standardSizes(). You can retrieve the Unicode 3.0
+ description of a \link QFont::Script script\endlink using
+ scriptName(), and a sample of characters in a script with
+ scriptSample().
+
+ Example:
+\code
+#include <qapplication.h>
+#include <qfontdatabase.h>
+#include <else.h>
+
+int main( int argc, char **argv )
+{
+ QApplication app( argc, argv );
+ QFontDatabase fdb;
+ QStringList families = fdb.families();
+ for ( QStringList::Iterator f = families.begin(); f != families.end(); ++f ) {
+ QString family = *f;
+ qDebug( family );
+ QStringList styles = fdb.styles( family );
+ for ( QStringList::Iterator s = styles.begin(); s != styles.end(); ++s ) {
+ QString style = *s;
+ QString dstyle = "\t" + style + " (";
+ QValueList<int> smoothies = fdb.smoothSizes( family, style );
+ for ( QValueList<int>::Iterator points = smoothies.begin();
+ points != smoothies.end(); ++points ) {
+ dstyle += QString::number( *points ) + " ";
+ }
+ dstyle = dstyle.left( dstyle.length() - 1 ) + ")";
+ qDebug( dstyle );
+ }
+ }
+ return 0;
+}
+\endcode
+ This example gets the list of font families, then the list of
+ styles for each family and the point sizes that are available for
+ each family/style combination.
+*/
+/*!
+ \obsolete
+ \fn inline QStringList QFontDatabase::families( bool ) const
+*/
+/*!
+ \obsolete
+ \fn inline QStringList QFontDatabase::styles( const QString &family,
+ const QString & ) const
+*/
+/*!
+ \obsolete
+ \fn inline QValueList<int> QFontDatabase::pointSizes( const QString &family,
+ const QString &style ,
+ const QString & )
+*/
+
+/*!
+ \obsolete
+ \fn inline QValueList<int> QFontDatabase::smoothSizes( const QString &family,
+ const QString &style,
+ const QString & )
+*/
+/*!
+ \obsolete
+ \fn inline QFont QFontDatabase::font( const QString &familyName,
+ const QString &style,
+ int pointSize,
+ const QString &)
+*/
+/*!
+ \obsolete
+ \fn inline bool QFontDatabase::isBitmapScalable( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+/*!
+ \obsolete
+ \fn inline bool QFontDatabase::isSmoothlyScalable( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+/*!
+ \obsolete
+ \fn inline bool QFontDatabase::isScalable( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+/*!
+ \obsolete
+ \fn inline bool QFontDatabase::isFixedPitch( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+/*!
+ \obsolete
+ \fn inline bool QFontDatabase::italic( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+/*!
+ \obsolete
+ \fn inline bool QFontDatabase::bold( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+/*!
+ \obsolete
+ \fn inline int QFontDatabase::weight( const QString &family,
+ const QString &style,
+ const QString & ) const
+*/
+
+
+/*!
+ Creates a font database object.
+*/
+QFontDatabase::QFontDatabase()
+{
+ createDatabase();
+
+ d = db;
+}
+
+
+/*! Returns a sorted list of the names of the available font families.
+
+ If a family exists in several foundries, the returned name for
+ that font is in the form "family [foundry]". Examples: "Times
+ [Adobe]", "Times [Cronyx]", "Palatino".
+*/
+QStringList QFontDatabase::families() const
+{
+ load();
+
+ QStringList flist;
+ for ( int i = 0; i < d->count; i++ ) {
+ QtFontFamily *f = d->families[i];
+ if ( f->count == 0 )
+ continue;
+ if ( f->count == 1 ) {
+ flist.append( f->name );
+ } else {
+ for ( int j = 0; j < f->count; j++ ) {
+ QString str = f->name;
+ QString foundry = f->foundries[j]->name;
+ if ( !foundry.isEmpty() ) {
+ str += " [";
+ str += foundry;
+ str += "]";
+ }
+ flist.append( str );
+ }
+ }
+ }
+ return flist;
+}
+
+/*!
+ \overload
+
+ Returns a sorted list of the available font families which support
+ the Unicode script \a script.
+
+ If a family exists in several foundries, the returned name for
+ that font is in the form "family [foundry]". Examples: "Times
+ [Adobe]", "Times [Cronyx]", "Palatino".
+*/
+QStringList QFontDatabase::families( QFont::Script script ) const
+{
+ load();
+
+ QStringList flist;
+ for ( int i = 0; i < d->count; i++ ) {
+ QtFontFamily *f = d->families[i];
+ if ( f->count == 0 )
+ continue;
+ if (!(f->scripts[script] & QtFontFamily::Supported))
+ continue;
+ if ( f->count == 1 ) {
+ flist.append( f->name );
+ } else {
+ for ( int j = 0; j < f->count; j++ ) {
+ QString str = f->name;
+ QString foundry = f->foundries[j]->name;
+ if ( !foundry.isEmpty() ) {
+ str += " [";
+ str += foundry;
+ str += "]";
+ }
+ flist.append( str );
+ }
+ }
+ }
+ return flist;
+}
+
+/*!
+ Returns a list of the styles available for the font family \a
+ family. Some example styles: "Light", "Light Italic", "Bold",
+ "Oblique", "Demi". The list may be empty.
+*/
+QStringList QFontDatabase::styles( const QString &family ) const
+{
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QStringList l;
+ QtFontFamily *f = d->family( familyName );
+ if ( !f )
+ return l;
+
+ QtFontFoundry allStyles( foundryName );
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() || ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ ) {
+ QtFontStyle::Key ke( foundry->styles[k]->key );
+ ke.stretch = 0;
+ allStyles.style( ke, TRUE );
+ }
+ }
+ }
+
+ for ( int i = 0; i < allStyles.count; i++ )
+ l.append( ::styleString( allStyles.styles[i]->key.weight,
+ allStyles.styles[i]->key.italic,
+ allStyles.styles[i]->key.oblique ) );
+ return l;
+}
+
+/*!
+ Returns TRUE if the font that has family \a family and style \a
+ style is fixed pitch; otherwise returns FALSE.
+*/
+
+bool QFontDatabase::isFixedPitch(const QString &family,
+ const QString &style) const
+{
+ Q_UNUSED(style);
+
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontFamily *f = d->family( familyName );
+#if defined(Q_OS_MAC) && !defined(QWS)
+ if (f) {
+ if (!f->fixedPitchComputed) {
+ QFontMetrics fm(familyName);
+ f->fixedPitch = fm.width('i') == fm.width('m');
+ f->fixedPitchComputed = TRUE;
+ }
+ }
+#endif
+
+ return ( f && f->fixedPitch );
+}
+
+/*!
+ Returns TRUE if the font that has family \a family and style \a
+ style is a scalable bitmap font; otherwise returns FALSE. Scaling
+ a bitmap font usually produces an unattractive hardly readable
+ result, because the pixels of the font are scaled. If you need to
+ scale a bitmap font it is better to scale it to one of the fixed
+ sizes returned by smoothSizes().
+
+ \sa isScalable(), isSmoothlyScalable()
+*/
+bool QFontDatabase::isBitmapScalable( const QString &family,
+ const QString &style) const
+{
+ bool bitmapScalable = FALSE;
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontStyle::Key styleKey( style );
+
+ QtFontFamily *f = d->family( familyName );
+ if ( !f ) return bitmapScalable;
+
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() || ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ )
+ if ((style.isEmpty() || foundry->styles[k]->key == styleKey) &&
+ foundry->styles[k]->bitmapScalable && !foundry->styles[k]->smoothScalable) {
+ bitmapScalable = TRUE;
+ goto end;
+ }
+ }
+ }
+ end:
+ return bitmapScalable;
+}
+
+
+/*!
+ Returns TRUE if the font that has family \a family and style \a
+ style is smoothly scalable; otherwise returns FALSE. If this
+ function returns TRUE, it's safe to scale this font to any size,
+ and the result will always look attractive.
+
+ \sa isScalable(), isBitmapScalable()
+*/
+bool QFontDatabase::isSmoothlyScalable( const QString &family,
+ const QString &style) const
+{
+ bool smoothScalable = FALSE;
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontStyle::Key styleKey( style );
+
+ QtFontFamily *f = d->family( familyName );
+ if ( !f ) return smoothScalable;
+
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() || ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ )
+ if ((style.isEmpty() || foundry->styles[k]->key == styleKey) && foundry->styles[k]->smoothScalable) {
+ smoothScalable = TRUE;
+ goto end;
+ }
+ }
+ }
+ end:
+ return smoothScalable;
+}
+
+/*!
+ Returns TRUE if the font that has family \a family and style \a
+ style is scalable; otherwise returns FALSE.
+
+ \sa isBitmapScalable(), isSmoothlyScalable()
+*/
+bool QFontDatabase::isScalable( const QString &family,
+ const QString &style) const
+{
+ if ( isSmoothlyScalable( family, style) )
+ return TRUE;
+
+ return isBitmapScalable( family, style);
+}
+
+
+/*!
+ Returns a list of the point sizes available for the font that has
+ family \a family and style \a style. The list may be empty.
+
+ \sa smoothSizes(), standardSizes()
+*/
+QValueList<int> QFontDatabase::pointSizes( const QString &family,
+ const QString &style)
+{
+#if defined(Q_WS_MAC)
+ // windows and macosx are always smoothly scalable
+ Q_UNUSED( family );
+ Q_UNUSED( style );
+ return standardSizes();
+#else
+ bool smoothScalable = FALSE;
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontStyle::Key styleKey( style );
+
+ QValueList<int> sizes;
+
+ QtFontFamily *fam = d->family( familyName );
+ if ( !fam ) return sizes;
+
+ for ( int j = 0; j < fam->count; j++ ) {
+ QtFontFoundry *foundry = fam->foundries[j];
+ if ( foundryName.isEmpty() || ucstricmp( foundry->name, foundryName ) == 0 ) {
+ QtFontStyle *style = foundry->style( styleKey );
+ if ( !style ) continue;
+
+ if ( style->smoothScalable ) {
+ smoothScalable = TRUE;
+ goto end;
+ }
+ for ( int l = 0; l < style->count; l++ ) {
+ const QtFontSize *size = style->pixelSizes + l;
+
+ if (size->pixelSize != 0 && size->pixelSize != USHRT_MAX) {
+#ifdef Q_WS_X11
+ const uint pointSize = qRound(qt_pointSize(size->pixelSize, 0, -1));
+#else
+ const uint pointSize = size->pixelSize; // embedded uses 72dpi
+#endif
+ if (! sizes.contains(pointSize))
+ sizes.append(pointSize);
+ }
+ }
+ }
+ }
+ end:
+ if ( smoothScalable )
+ return standardSizes();
+
+ qHeapSort( sizes );
+ return sizes;
+#endif
+}
+
+/*!
+ Returns a QFont object that has family \a family, style \a style
+ and point size \a pointSize. If no matching font could be created,
+ a QFont object that uses the application's default font is
+ returned.
+*/
+QFont QFontDatabase::font( const QString &family, const QString &style,
+ int pointSize)
+{
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontFoundry allStyles( foundryName );
+ QtFontFamily *f = d->family( familyName );
+ if ( !f ) return QApplication::font();
+
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() || ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ )
+ allStyles.style( foundry->styles[k]->key, TRUE );
+ }
+ }
+
+ QtFontStyle::Key styleKey( style );
+ QtFontStyle *s = bestStyle(&allStyles, styleKey);
+
+ if ( !s ) // no styles found?
+ return QApplication::font();
+ return QFont( family, pointSize, s->key.weight,
+ s->key.italic ? TRUE : s->key.oblique ? TRUE : FALSE );
+}
+
+
+/*!
+ Returns the point sizes of a font that has family \a family and
+ style \a style that will look attractive. The list may be empty.
+ For non-scalable fonts and bitmap scalable fonts, this function
+ is equivalent to pointSizes().
+
+ \sa pointSizes(), standardSizes()
+*/
+QValueList<int> QFontDatabase::smoothSizes( const QString &family,
+ const QString &style)
+{
+#ifdef Q_WS_WIN
+ Q_UNUSED( family );
+ Q_UNUSED( style );
+ return QFontDatabase::standardSizes();
+#else
+ bool smoothScalable = FALSE;
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontStyle::Key styleKey( style );
+
+ QValueList<int> sizes;
+
+ QtFontFamily *fam = d->family( familyName );
+ if ( !fam )
+ return sizes;
+
+ for ( int j = 0; j < fam->count; j++ ) {
+ QtFontFoundry *foundry = fam->foundries[j];
+ if ( foundryName.isEmpty() ||
+ ucstricmp( foundry->name, foundryName ) == 0 ) {
+ QtFontStyle *style = foundry->style( styleKey );
+ if ( !style ) continue;
+
+ if ( style->smoothScalable ) {
+ smoothScalable = TRUE;
+ goto end;
+ }
+ for ( int l = 0; l < style->count; l++ ) {
+ const QtFontSize *size = style->pixelSizes + l;
+
+ if ( size->pixelSize != 0 && size->pixelSize != USHRT_MAX ) {
+#ifdef Q_WS_X11
+ const uint pointSize = qRound(qt_pointSize(size->pixelSize, 0, -1));
+#else
+ const uint pointSize = size->pixelSize; // embedded uses 72dpi
+#endif
+ if (! sizes.contains(pointSize))
+ sizes.append( pointSize );
+ }
+ }
+ }
+ }
+ end:
+ if ( smoothScalable )
+ return QFontDatabase::standardSizes();
+
+ qHeapSort( sizes );
+ return sizes;
+#endif
+}
+
+
+/*!
+ Returns a list of standard font sizes.
+
+ \sa smoothSizes(), pointSizes()
+*/
+QValueList<int> QFontDatabase::standardSizes()
+{
+ QValueList<int> ret;
+ static const unsigned short standard[] =
+ { 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, 72, 0 };
+ const unsigned short *sizes = standard;
+ while ( *sizes ) ret << *sizes++;
+ return ret;
+}
+
+
+/*!
+ Returns TRUE if the font that has family \a family and style \a
+ style is italic; otherwise returns FALSE.
+
+ \sa weight(), bold()
+*/
+bool QFontDatabase::italic( const QString &family,
+ const QString &style) const
+{
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontFoundry allStyles( foundryName );
+ QtFontFamily *f = d->family( familyName );
+ if ( !f ) return FALSE;
+
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() || ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ )
+ allStyles.style( foundry->styles[k]->key, TRUE );
+ }
+ }
+
+ QtFontStyle::Key styleKey( style );
+ QtFontStyle *s = allStyles.style( styleKey );
+ return s && s->key.italic;
+}
+
+
+/*!
+ Returns TRUE if the font that has family \a family and style \a
+ style is bold; otherwise returns FALSE.
+
+ \sa italic(), weight()
+*/
+bool QFontDatabase::bold( const QString &family,
+ const QString &style) const
+{
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontFoundry allStyles( foundryName );
+ QtFontFamily *f = d->family( familyName );
+ if ( !f ) return FALSE;
+
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() ||
+ ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ )
+ allStyles.style( foundry->styles[k]->key, TRUE );
+ }
+ }
+
+ QtFontStyle::Key styleKey( style );
+ QtFontStyle *s = allStyles.style( styleKey );
+ return s && s->key.weight >= QFont::Bold;
+}
+
+
+/*!
+ Returns the weight of the font that has family \a family and style
+ \a style. If there is no such family and style combination,
+ returns -1.
+
+ \sa italic(), bold()
+*/
+int QFontDatabase::weight( const QString &family,
+ const QString &style) const
+{
+ QString familyName, foundryName;
+ parseFontName( family, foundryName, familyName );
+
+ load( familyName );
+
+ QtFontFoundry allStyles( foundryName );
+ QtFontFamily *f = d->family( familyName );
+ if ( !f ) return -1;
+
+ for ( int j = 0; j < f->count; j++ ) {
+ QtFontFoundry *foundry = f->foundries[j];
+ if ( foundryName.isEmpty() ||
+ ucstricmp( foundry->name, foundryName ) == 0 ) {
+ for ( int k = 0; k < foundry->count; k++ )
+ allStyles.style( foundry->styles[k]->key, TRUE );
+ }
+ }
+
+ QtFontStyle::Key styleKey( style );
+ QtFontStyle *s = allStyles.style( styleKey );
+ return s ? s->key.weight : -1;
+}
+
+
+/*!
+ Returns a string that gives a default description of the \a script
+ (e.g. for displaying to the user in a dialog). The name matches
+ the name of the script as defined by the Unicode 3.0 standard.
+
+ \sa QFont::Script
+*/
+QString QFontDatabase::scriptName(QFont::Script script)
+{
+ const char *name = 0;
+
+ switch (script) {
+ case QFont::Latin:
+ name = QT_TRANSLATE_NOOP("QFont", "Latin");
+ break;
+ case QFont::Greek:
+ name = QT_TRANSLATE_NOOP("QFont", "Greek" );
+ break;
+ case QFont::Cyrillic:
+ name = QT_TRANSLATE_NOOP("QFont", "Cyrillic" );
+ break;
+ case QFont::Armenian:
+ name = QT_TRANSLATE_NOOP("QFont", "Armenian" );
+ break;
+ case QFont::Georgian:
+ name = QT_TRANSLATE_NOOP("QFont", "Georgian" );
+ break;
+ case QFont::Runic:
+ name = QT_TRANSLATE_NOOP("QFont", "Runic" );
+ break;
+ case QFont::Ogham:
+ name = QT_TRANSLATE_NOOP("QFont", "Ogham" );
+ break;
+ case QFont::SpacingModifiers:
+ name = QT_TRANSLATE_NOOP("QFont", "SpacingModifiers" );
+ break;
+ case QFont::CombiningMarks:
+ name = QT_TRANSLATE_NOOP("QFont", "CombiningMarks" );
+ break;
+ case QFont::Hebrew:
+ name = QT_TRANSLATE_NOOP("QFont", "Hebrew" );
+ break;
+ case QFont::Arabic:
+ name = QT_TRANSLATE_NOOP("QFont", "Arabic" );
+ break;
+ case QFont::Syriac:
+ name = QT_TRANSLATE_NOOP("QFont", "Syriac" );
+ break;
+ case QFont::Thaana:
+ name = QT_TRANSLATE_NOOP("QFont", "Thaana" );
+ break;
+ case QFont::Devanagari:
+ name = QT_TRANSLATE_NOOP("QFont", "Devanagari" );
+ break;
+ case QFont::Bengali:
+ name = QT_TRANSLATE_NOOP("QFont", "Bengali" );
+ break;
+ case QFont::Gurmukhi:
+ name = QT_TRANSLATE_NOOP("QFont", "Gurmukhi" );
+ break;
+ case QFont::Gujarati:
+ name = QT_TRANSLATE_NOOP("QFont", "Gujarati" );
+ break;
+ case QFont::Oriya:
+ name = QT_TRANSLATE_NOOP("QFont", "Oriya" );
+ break;
+ case QFont::Tamil:
+ name = QT_TRANSLATE_NOOP("QFont", "Tamil" );
+ break;
+ case QFont::Telugu:
+ name = QT_TRANSLATE_NOOP("QFont", "Telugu" );
+ break;
+ case QFont::Kannada:
+ name = QT_TRANSLATE_NOOP("QFont", "Kannada" );
+ break;
+ case QFont::Malayalam:
+ name = QT_TRANSLATE_NOOP("QFont", "Malayalam" );
+ break;
+ case QFont::Sinhala:
+ name = QT_TRANSLATE_NOOP("QFont", "Sinhala" );
+ break;
+ case QFont::Thai:
+ name = QT_TRANSLATE_NOOP("QFont", "Thai" );
+ break;
+ case QFont::Lao:
+ name = QT_TRANSLATE_NOOP("QFont", "Lao" );
+ break;
+ case QFont::Tibetan:
+ name = QT_TRANSLATE_NOOP("QFont", "Tibetan" );
+ break;
+ case QFont::Myanmar:
+ name = QT_TRANSLATE_NOOP("QFont", "Myanmar" );
+ break;
+ case QFont::Khmer:
+ name = QT_TRANSLATE_NOOP("QFont", "Khmer" );
+ break;
+ case QFont::Han:
+ name = QT_TRANSLATE_NOOP("QFont", "Han" );
+ break;
+ case QFont::Hiragana:
+ name = QT_TRANSLATE_NOOP("QFont", "Hiragana" );
+ break;
+ case QFont::Katakana:
+ name = QT_TRANSLATE_NOOP("QFont", "Katakana" );
+ break;
+ case QFont::Hangul:
+ name = QT_TRANSLATE_NOOP("QFont", "Hangul" );
+ break;
+ case QFont::Bopomofo:
+ name = QT_TRANSLATE_NOOP("QFont", "Bopomofo" );
+ break;
+ case QFont::Yi:
+ name = QT_TRANSLATE_NOOP("QFont", "Yi" );
+ break;
+ case QFont::Ethiopic:
+ name = QT_TRANSLATE_NOOP("QFont", "Ethiopic" );
+ break;
+ case QFont::Cherokee:
+ name = QT_TRANSLATE_NOOP("QFont", "Cherokee" );
+ break;
+ case QFont::CanadianAboriginal:
+ name = QT_TRANSLATE_NOOP("QFont", "Canadian Aboriginal" );
+ break;
+ case QFont::Mongolian:
+ name = QT_TRANSLATE_NOOP("QFont", "Mongolian" );
+ break;
+
+ case QFont::CurrencySymbols:
+ name = QT_TRANSLATE_NOOP("QFont", "Currency Symbols" );
+ break;
+
+ case QFont::LetterlikeSymbols:
+ name = QT_TRANSLATE_NOOP("QFont", "Letterlike Symbols" );
+ break;
+
+ case QFont::NumberForms:
+ name = QT_TRANSLATE_NOOP("QFont", "Number Forms" );
+ break;
+
+ case QFont::MathematicalOperators:
+ name = QT_TRANSLATE_NOOP("QFont", "Mathematical Operators" );
+ break;
+
+ case QFont::TechnicalSymbols:
+ name = QT_TRANSLATE_NOOP("QFont", "Technical Symbols" );
+ break;
+
+ case QFont::GeometricSymbols:
+ name = QT_TRANSLATE_NOOP("QFont", "Geometric Symbols" );
+ break;
+
+ case QFont::MiscellaneousSymbols:
+ name = QT_TRANSLATE_NOOP("QFont", "Miscellaneous Symbols" );
+ break;
+
+ case QFont::EnclosedAndSquare:
+ name = QT_TRANSLATE_NOOP("QFont", "Enclosed and Square" );
+ break;
+
+ case QFont::Braille:
+ name = QT_TRANSLATE_NOOP("QFont", "Braille" );
+ break;
+
+ case QFont::Unicode:
+ name = QT_TRANSLATE_NOOP("QFont", "Unicode" );
+ break;
+
+ case QFont::Tagalog:
+ name = QT_TRANSLATE_NOOP( "QFont", "Tagalog" );
+ break;
+
+ case QFont::Hanunoo:
+ name = QT_TRANSLATE_NOOP( "QFont", "Hanunoo" );
+ break;
+
+ case QFont::Buhid:
+ name = QT_TRANSLATE_NOOP( "QFont", "Buhid" );
+ break;
+
+ case QFont::Tagbanwa:
+ name = QT_TRANSLATE_NOOP( "QFont", "Tagbanwa" );
+ break;
+
+ case QFont::KatakanaHalfWidth:
+ name = QT_TRANSLATE_NOOP( "QFont", "Katakana Half-Width Forms" );
+ break;
+
+ case QFont::Han_Japanese:
+ name = QT_TRANSLATE_NOOP( "QFont", "Han (Japanese)" );
+ break;
+
+ case QFont::Han_SimplifiedChinese:
+ name = QT_TRANSLATE_NOOP( "QFont", "Han (Simplified Chinese)" );
+ break;
+
+ case QFont::Han_TraditionalChinese:
+ name = QT_TRANSLATE_NOOP( "QFont", "Han (Traditional Chinese)" );
+ break;
+
+ case QFont::Han_Korean:
+ name = QT_TRANSLATE_NOOP( "QFont", "Han (Korean)" );
+ break;
+
+ default:
+ name = QT_TRANSLATE_NOOP( "QFont", "Unknown Script" );
+ break;
+ }
+
+ return qApp ? qApp->translate("QFont", name) : QString::fromLatin1(name);
+}
+
+
+/*!
+ Returns a string with sample characters from \a script.
+
+ \sa QFont::Script
+*/
+QString QFontDatabase::scriptSample(QFont::Script script)
+{
+ QString sample = "AaBb";
+
+ switch (script) {
+ case QFont::Latin:
+ // This is cheating... we only show latin-1 characters so that we don't
+ // end up loading lots of fonts - at least on X11...
+ sample += QChar(0x00C3);
+ sample += QChar(0x00E1);
+ sample += "Zz";
+ break;
+ case QFont::Greek:
+ sample += QChar(0x0393);
+ sample += QChar(0x03B1);
+ sample += QChar(0x03A9);
+ sample += QChar(0x03C9);
+ break;
+ case QFont::Cyrillic:
+ sample += QChar(0x0414);
+ sample += QChar(0x0434);
+ sample += QChar(0x0436);
+ sample += QChar(0x0402);
+ break;
+ case QFont::Armenian:
+ sample += QChar(0x053f);
+ sample += QChar(0x054f);
+ sample += QChar(0x056f);
+ sample += QChar(0x057f);
+ break;
+ case QFont::Georgian:
+ sample += QChar(0x10a0);
+ sample += QChar(0x10b0);
+ sample += QChar(0x10c0);
+ sample += QChar(0x10d0);
+ break;
+ case QFont::Runic:
+ sample += QChar(0x16a0);
+ sample += QChar(0x16b0);
+ sample += QChar(0x16c0);
+ sample += QChar(0x16d0);
+ break;
+ case QFont::Ogham:
+ sample += QChar(0x1681);
+ sample += QChar(0x1687);
+ sample += QChar(0x1693);
+ sample += QChar(0x168d);
+ break;
+
+
+
+ case QFont::Hebrew:
+ sample += QChar(0x05D0);
+ sample += QChar(0x05D1);
+ sample += QChar(0x05D2);
+ sample += QChar(0x05D3);
+ break;
+ case QFont::Arabic:
+ sample += QChar(0x0628);
+ sample += QChar(0x0629);
+ sample += QChar(0x062A);
+ sample += QChar(0x063A);
+ break;
+ case QFont::Syriac:
+ sample += QChar(0x0715);
+ sample += QChar(0x0725);
+ sample += QChar(0x0716);
+ sample += QChar(0x0726);
+ break;
+ case QFont::Thaana:
+ sample += QChar(0x0784);
+ sample += QChar(0x0794);
+ sample += QChar(0x078c);
+ sample += QChar(0x078d);
+ break;
+
+
+
+ case QFont::Devanagari:
+ sample += QChar(0x0905);
+ sample += QChar(0x0915);
+ sample += QChar(0x0925);
+ sample += QChar(0x0935);
+ break;
+ case QFont::Bengali:
+ sample += QChar(0x0986);
+ sample += QChar(0x0996);
+ sample += QChar(0x09a6);
+ sample += QChar(0x09b6);
+ break;
+ case QFont::Gurmukhi:
+ sample += QChar(0x0a05);
+ sample += QChar(0x0a15);
+ sample += QChar(0x0a25);
+ sample += QChar(0x0a35);
+ break;
+ case QFont::Gujarati:
+ sample += QChar(0x0a85);
+ sample += QChar(0x0a95);
+ sample += QChar(0x0aa5);
+ sample += QChar(0x0ab5);
+ break;
+ case QFont::Oriya:
+ sample += QChar(0x0b06);
+ sample += QChar(0x0b16);
+ sample += QChar(0x0b2b);
+ sample += QChar(0x0b36);
+ break;
+ case QFont::Tamil:
+ sample += QChar(0x0b89);
+ sample += QChar(0x0b99);
+ sample += QChar(0x0ba9);
+ sample += QChar(0x0bb9);
+ break;
+ case QFont::Telugu:
+ sample += QChar(0x0c05);
+ sample += QChar(0x0c15);
+ sample += QChar(0x0c25);
+ sample += QChar(0x0c35);
+ break;
+ case QFont::Kannada:
+ sample += QChar(0x0c85);
+ sample += QChar(0x0c95);
+ sample += QChar(0x0ca5);
+ sample += QChar(0x0cb5);
+ break;
+ case QFont::Malayalam:
+ sample += QChar(0x0d05);
+ sample += QChar(0x0d15);
+ sample += QChar(0x0d25);
+ sample += QChar(0x0d35);
+ break;
+ case QFont::Sinhala:
+ sample += QChar(0x0d90);
+ sample += QChar(0x0da0);
+ sample += QChar(0x0db0);
+ sample += QChar(0x0dc0);
+ break;
+ case QFont::Thai:
+ sample += QChar(0x0e02);
+ sample += QChar(0x0e12);
+ sample += QChar(0x0e22);
+ sample += QChar(0x0e32);
+ break;
+ case QFont::Lao:
+ sample += QChar(0x0e8d);
+ sample += QChar(0x0e9d);
+ sample += QChar(0x0ead);
+ sample += QChar(0x0ebd);
+ break;
+ case QFont::Tibetan:
+ sample += QChar(0x0f00);
+ sample += QChar(0x0f01);
+ sample += QChar(0x0f02);
+ sample += QChar(0x0f03);
+ break;
+ case QFont::Myanmar:
+ sample += QChar(0x1000);
+ sample += QChar(0x1001);
+ sample += QChar(0x1002);
+ sample += QChar(0x1003);
+ break;
+ case QFont::Khmer:
+ sample += QChar(0x1780);
+ sample += QChar(0x1790);
+ sample += QChar(0x17b0);
+ sample += QChar(0x17c0);
+ break;
+
+
+
+ case QFont::Han:
+ sample += QChar(0x6f84);
+ sample += QChar(0x820a);
+ sample += QChar(0x61a9);
+ sample += QChar(0x9781);
+ break;
+ case QFont::Hiragana:
+ sample += QChar(0x3050);
+ sample += QChar(0x3060);
+ sample += QChar(0x3070);
+ sample += QChar(0x3080);
+ break;
+ case QFont::Katakana:
+ sample += QChar(0x30b0);
+ sample += QChar(0x30c0);
+ sample += QChar(0x30d0);
+ sample += QChar(0x30e0);
+ break;
+ case QFont::Hangul:
+ sample += QChar(0xac00);
+ sample += QChar(0xac11);
+ sample += QChar(0xac1a);
+ sample += QChar(0xac2f);
+ break;
+ case QFont::Bopomofo:
+ sample += QChar(0x3105);
+ sample += QChar(0x3115);
+ sample += QChar(0x3125);
+ sample += QChar(0x3129);
+ break;
+ case QFont::Yi:
+ sample += QChar(0xa1a8);
+ sample += QChar(0xa1a6);
+ sample += QChar(0xa200);
+ sample += QChar(0xa280);
+ break;
+
+
+
+ case QFont::Ethiopic:
+ sample += QChar(0x1200);
+ sample += QChar(0x1240);
+ sample += QChar(0x1280);
+ sample += QChar(0x12c0);
+ break;
+ case QFont::Cherokee:
+ sample += QChar(0x13a0);
+ sample += QChar(0x13b0);
+ sample += QChar(0x13c0);
+ sample += QChar(0x13d0);
+ break;
+ case QFont::CanadianAboriginal:
+ sample += QChar(0x1410);
+ sample += QChar(0x1500);
+ sample += QChar(0x15f0);
+ sample += QChar(0x1650);
+ break;
+ case QFont::Mongolian:
+ sample += QChar(0x1820);
+ sample += QChar(0x1840);
+ sample += QChar(0x1860);
+ sample += QChar(0x1880);
+ break;
+
+
+ case QFont::CurrencySymbols:
+ case QFont::LetterlikeSymbols:
+ case QFont::NumberForms:
+ case QFont::MathematicalOperators:
+ case QFont::TechnicalSymbols:
+ case QFont::GeometricSymbols:
+ case QFont::MiscellaneousSymbols:
+ case QFont::EnclosedAndSquare:
+ case QFont::Braille:
+ break;
+
+
+ case QFont::Unicode:
+ sample += QChar(0x0174);
+ sample += QChar(0x0628);
+ sample += QChar(0x0e02);
+ sample += QChar(0x263A);
+ sample += QChar(0x3129);
+ sample += QChar(0x61a9);
+ sample += QChar(0xac2f);
+ break;
+
+
+
+ default:
+ sample += QChar(0xfffd);
+ sample += QChar(0xfffd);
+ sample += QChar(0xfffd);
+ sample += QChar(0xfffd);
+ break;
+ }
+
+ return sample;
+}
+
+
+
+
+/*!
+ \internal
+
+ This makes sense of the font family name:
+
+ 1) if the family name contains a '-' (ie. "Adobe-Courier"), then we
+ split at the '-', and use the string as the foundry, and the string to
+ the right as the family
+
+ 2) if the family name contains a '[' and a ']', then we take the text
+ between the square brackets as the foundry, and the text before the
+ square brackets as the family (ie. "Arial [Monotype]")
+*/
+void QFontDatabase::parseFontName(const QString &name, QString &foundry, QString &family)
+{
+ if ( name.contains('-') ) {
+ int i = name.find('-');
+ foundry = name.left( i );
+ family = name.right( name.length() - i - 1 );
+ } else if ( name.contains('[') && name.contains(']')) {
+ int i = name.find('[');
+ int li = name.findRev(']');
+
+ if (i < li) {
+ foundry = name.mid(i + 1, li - i - 1);
+ if (name[i - 1] == ' ')
+ i--;
+ family = name.left(i);
+ }
+ } else {
+ foundry = QString::null;
+ family = name;
+ }
+}
+
+#endif // QT_NO_FONTDATABASE