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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/text/qfont_win.cpp
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// the miscrosoft platform SDK says that the Unicode versions of
+// TextOut and GetTextExtentsPoint32 are supported on all platforms, so we use them
+// exclusively to simplify code, save a lot of conversions into the local encoding
+// and have generally better unicode support :)
+
+#include "qfont.h"
+#include "qfont_p.h"
+#include "qfontengine_p.h"
+#include "qtextengine_p.h"
+#include "qfontmetrics.h"
+#include "qfontinfo.h"
+
+#include "qwidget.h"
+#include "qpainter.h"
+#include <limits.h>
+#include "qt_windows.h"
+#include <private/qapplication_p.h>
+#include "qapplication.h"
+#include <private/qunicodetables_p.h>
+#include <qfontdatabase.h>
+
+QT_BEGIN_NAMESPACE
+
+extern HDC shared_dc(); // common dc for all fonts
+
+// ### maybe move to qapplication_win
+QFont qt_LOGFONTtoQFont(LOGFONT& lf, bool /*scale*/)
+{
+ QString family = QT_WA_INLINE(QString::fromUtf16((ushort*)lf.lfFaceName),
+ QString::fromLocal8Bit((char*)lf.lfFaceName));
+ QFont qf(family);
+ qf.setItalic(lf.lfItalic);
+ if (lf.lfWeight != FW_DONTCARE) {
+ int weight;
+ if (lf.lfWeight < 400)
+ weight = QFont::Light;
+ else if (lf.lfWeight < 600)
+ weight = QFont::Normal;
+ else if (lf.lfWeight < 700)
+ weight = QFont::DemiBold;
+ else if (lf.lfWeight < 800)
+ weight = QFont::Bold;
+ else
+ weight = QFont::Black;
+ qf.setWeight(weight);
+ }
+ int lfh = qAbs(lf.lfHeight);
+ qf.setPointSizeF(lfh * 72.0 / GetDeviceCaps(shared_dc(),LOGPIXELSY));
+ qf.setUnderline(false);
+ qf.setOverline(false);
+ qf.setStrikeOut(false);
+ return qf;
+}
+
+
+static inline float pixelSize(const QFontDef &request, int dpi)
+{
+ float pSize;
+ if (request.pointSize != -1)
+ pSize = request.pointSize * dpi/ 72.;
+ else
+ pSize = request.pixelSize;
+ return pSize;
+}
+
+static inline float pointSize(const QFontDef &fd, int dpi)
+{
+ float pSize;
+ if (fd.pointSize < 0)
+ pSize = fd.pixelSize * 72. / ((float)dpi);
+ else
+ pSize = fd.pointSize;
+ return pSize;
+}
+
+/*****************************************************************************
+ QFont member functions
+ *****************************************************************************/
+
+void QFont::initialize()
+{
+}
+
+void QFont::cleanup()
+{
+ QFontCache::cleanup();
+}
+
+HFONT 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::Win)
+ return static_cast<QFontEngineWin *>(engine)->hfont;
+ return 0;
+}
+
+QString QFont::rawName() const
+{
+ return family();
+}
+
+void QFont::setRawName(const QString &name)
+{
+ setFamily(name);
+}
+
+QString QFont::defaultFamily() const
+{
+ switch(d->request.styleHint) {
+ case QFont::Times:
+ return QString::fromLatin1("Times New Roman");
+ case QFont::Courier:
+ return QString::fromLatin1("Courier New");
+ case QFont::Decorative:
+ return QString::fromLatin1("Bookman Old Style");
+ case QFont::Helvetica:
+ return QString::fromLatin1("Arial");
+ case QFont::System:
+ default:
+ return QString::fromLatin1("MS Sans Serif");
+ }
+}
+
+QString QFont::lastResortFamily() const
+{
+ return QString::fromLatin1("helvetica");
+}
+
+QString QFont::lastResortFont() const
+{
+ return QString::fromLatin1("arial");
+}
+
+QT_END_NAMESPACE