--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qfont_x11.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,359 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#define QT_FATAL_ASSERT
+
+#include "qplatformdefs.h"
+
+#include "qfont.h"
+#include "qapplication.h"
+#include "qfontinfo.h"
+#include "qfontdatabase.h"
+#include "qfontmetrics.h"
+#include "qpaintdevice.h"
+#include "qtextcodec.h"
+#include "qiodevice.h"
+#include "qhash.h"
+
+#include <private/qunicodetables_p.h>
+#include "qfont_p.h"
+#include "qfontengine_p.h"
+#include "qfontengine_x11_p.h"
+#include "qtextengine_p.h"
+
+#include <private/qt_x11_p.h>
+#include "qx11info_x11.h"
+
+#include <time.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#define QFONTLOADER_DEBUG
+#define QFONTLOADER_DEBUG_VERBOSE
+
+QT_BEGIN_NAMESPACE
+
+double qt_pixelSize(double pointSize, int dpi)
+{
+ if (pointSize < 0)
+ return -1.;
+ if (dpi == 75) // the stupid 75 dpi setting on X11
+ dpi = 72;
+ return (pointSize * dpi) /72.;
+}
+
+double qt_pointSize(double pixelSize, int dpi)
+{
+ if (pixelSize < 0)
+ return -1.;
+ if (dpi == 75) // the stupid 75 dpi setting on X11
+ dpi = 72;
+ return pixelSize * 72. / ((double) dpi);
+}
+
+/*
+ Removes wildcards from an XLFD.
+
+ Returns \a xlfd with all wildcards removed if a match for \a xlfd is
+ found, otherwise it returns \a xlfd.
+*/
+static QByteArray qt_fixXLFD(const QByteArray &xlfd)
+{
+ QByteArray ret = xlfd;
+ int count = 0;
+ char **fontNames =
+ XListFonts(QX11Info::display(), xlfd, 32768, &count);
+ if (count > 0)
+ ret = fontNames[0];
+ XFreeFontNames(fontNames);
+ return ret ;
+}
+
+typedef QHash<int, QString> FallBackHash;
+Q_GLOBAL_STATIC(FallBackHash, fallBackHash)
+
+// Returns the user-configured fallback family for the specified script.
+QString qt_fallback_font_family(int script)
+{
+ FallBackHash *hash = fallBackHash();
+ return hash->value(script);
+}
+
+// Sets the fallback family for the specified script.
+Q_GUI_EXPORT void qt_x11_set_fallback_font_family(int script, const QString &family)
+{
+ FallBackHash *hash = fallBackHash();
+ if (!family.isEmpty())
+ hash->insert(script, family);
+ else
+ hash->remove(script);
+}
+
+int QFontPrivate::defaultEncodingID = -1;
+
+void QFont::initialize()
+{
+ extern int qt_encoding_id_for_mib(int mib); // from qfontdatabase_x11.cpp
+ QTextCodec *codec = QTextCodec::codecForLocale();
+ // determine the default encoding id using the locale, otherwise
+ // fallback to latin1 (mib == 4)
+ int mib = codec ? codec->mibEnum() : 4;
+
+ // for asian locales, use the mib for the font codec instead of the locale codec
+ switch (mib) {
+ case 38: // eucKR
+ mib = 36;
+ break;
+
+ case 2025: // GB2312
+ mib = 57;
+ break;
+
+ case 113: // GBK
+ mib = -113;
+ break;
+
+ case 114: // GB18030
+ mib = -114;
+ break;
+
+ case 2026: // Big5
+ mib = -2026;
+ break;
+
+ case 2101: // Big5-HKSCS
+ mib = -2101;
+ break;
+
+ case 16: // JIS7
+ mib = 15;
+ break;
+
+ case 17: // SJIS
+ case 18: // eucJP
+ mib = 63;
+ break;
+ }
+
+ // get the default encoding id for the locale encoding...
+ QFontPrivate::defaultEncodingID = qt_encoding_id_for_mib(mib);
+}
+
+void QFont::cleanup()
+{
+ QFontCache::cleanup();
+}
+
+/*!
+ \internal
+ X11 Only: Returns the screen with which this font is associated.
+*/
+int QFont::x11Screen() const
+{
+ return d->screen;
+}
+
+/*! \internal
+ X11 Only: Associate the font with the specified \a screen.
+*/
+void QFont::x11SetScreen(int screen)
+{
+ if (screen < 0) // assume default
+ screen = QX11Info::appScreen();
+
+ if (screen == d->screen)
+ return; // nothing to do
+
+ detach();
+ d->screen = screen;
+}
+
+Qt::HANDLE QFont::handle() const
+{
+ QFontEngine *engine = d->engineForScript(QUnicodeTables::Common);
+ Q_ASSERT(engine != 0);
+ if (engine->type() == QFontEngine::Multi)
+ engine = static_cast<QFontEngineMulti *>(engine)->engine(0);
+ if (engine->type() == QFontEngine::XLFD)
+ return static_cast<QFontEngineXLFD *>(engine)->fontStruct()->fid;
+ return 0;
+}
+
+
+FT_Face QFont::freetypeFace() const
+{
+#ifndef QT_NO_FREETYPE
+ QFontEngine *engine = d->engineForScript(QUnicodeTables::Common);
+ if (engine->type() == QFontEngine::Multi)
+ engine = static_cast<QFontEngineMulti *>(engine)->engine(0);
+#ifndef QT_NO_FONTCONFIG
+ if (engine->type() == QFontEngine::Freetype) {
+ const QFontEngineFT *ft = static_cast<const QFontEngineFT *>(engine);
+ return ft->non_locked_face();
+ } else
+#endif
+ if (engine->type() == QFontEngine::XLFD) {
+ const QFontEngineXLFD *xlfd = static_cast<const QFontEngineXLFD *>(engine);
+ return xlfd->non_locked_face();
+ }
+#endif
+ return 0;
+}
+
+QString QFont::rawName() const
+{
+ QFontEngine *engine = d->engineForScript(QUnicodeTables::Common);
+ Q_ASSERT(engine != 0);
+ if (engine->type() == QFontEngine::Multi)
+ engine = static_cast<QFontEngineMulti *>(engine)->engine(0);
+ if (engine->type() == QFontEngine::XLFD)
+ return QString::fromLatin1(engine->name());
+ return QString();
+}
+struct QtFontDesc;
+
+void QFont::setRawName(const QString &name)
+{
+ detach();
+
+ // from qfontdatabase_x11.cpp
+ extern bool qt_fillFontDef(const QByteArray &xlfd, QFontDef *fd, int dpi, QtFontDesc *desc);
+
+ if (!qt_fillFontDef(qt_fixXLFD(name.toLatin1()), &d->request, d->dpi, 0)) {
+ qWarning("QFont::setRawName: Invalid XLFD: \"%s\"", name.toLatin1().constData());
+
+ setFamily(name);
+ setRawMode(true);
+ } else {
+ resolve_mask = QFont::AllPropertiesResolved;
+ }
+}
+
+QString QFont::lastResortFamily() const
+{
+ return QString::fromLatin1("Helvetica");
+}
+
+QString QFont::defaultFamily() const
+{
+ switch (d->request.styleHint) {
+ case QFont::Times:
+ return QString::fromLatin1("Times");
+
+ case QFont::Courier:
+ return QString::fromLatin1("Courier");
+
+ case QFont::Decorative:
+ return QString::fromLatin1("Old English");
+
+ case QFont::Helvetica:
+ case QFont::System:
+ default:
+ return QString::fromLatin1("Helvetica");
+ }
+}
+
+/*
+ Returns a last resort raw font name for the font matching algorithm.
+ This is used if even the last resort family is not available. It
+ returns \e something, almost no matter what. The current
+ implementation tries a wide variety of common fonts, returning the
+ first one it finds. The implementation may change at any time.
+*/
+static const char * const tryFonts[] = {
+ "-*-helvetica-medium-r-*-*-*-120-*-*-*-*-*-*",
+ "-*-courier-medium-r-*-*-*-120-*-*-*-*-*-*",
+ "-*-times-medium-r-*-*-*-120-*-*-*-*-*-*",
+ "-*-lucida-medium-r-*-*-*-120-*-*-*-*-*-*",
+ "-*-helvetica-*-*-*-*-*-120-*-*-*-*-*-*",
+ "-*-courier-*-*-*-*-*-120-*-*-*-*-*-*",
+ "-*-times-*-*-*-*-*-120-*-*-*-*-*-*",
+ "-*-lucida-*-*-*-*-*-120-*-*-*-*-*-*",
+ "-*-helvetica-*-*-*-*-*-*-*-*-*-*-*-*",
+ "-*-courier-*-*-*-*-*-*-*-*-*-*-*-*",
+ "-*-times-*-*-*-*-*-*-*-*-*-*-*-*",
+ "-*-lucida-*-*-*-*-*-*-*-*-*-*-*-*",
+ "-*-fixed-*-*-*-*-*-*-*-*-*-*-*-*",
+ "6x13",
+ "7x13",
+ "8x13",
+ "9x15",
+ "fixed",
+ 0
+};
+
+// Returns true if the font exists, false otherwise
+static bool fontExists(const QString &fontName)
+{
+ int count;
+ char **fontNames = XListFonts(QX11Info::display(), (char*)fontName.toLatin1().constData(), 32768, &count);
+ if (fontNames) XFreeFontNames(fontNames);
+
+ return count != 0;
+}
+
+QString QFont::lastResortFont() const
+{
+ static QString last;
+
+ // already found
+ if (! last.isNull())
+ return last;
+
+ int i = 0;
+ const char* f;
+
+ while ((f = tryFonts[i])) {
+ last = QString::fromLatin1(f);
+
+ if (fontExists(last))
+ return last;
+
+ i++;
+ }
+
+#if defined(CHECK_NULL)
+ qFatal("QFontPrivate::lastResortFont: Cannot find any reasonable font");
+#endif
+ return last;
+}
+
+QT_END_NAMESPACE