diff options
Diffstat (limited to 'src/gui/text/qfont_win.cpp')
| -rw-r--r-- | src/gui/text/qfont_win.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/gui/text/qfont_win.cpp b/src/gui/text/qfont_win.cpp new file mode 100644 index 0000000..5db5a68 --- /dev/null +++ b/src/gui/text/qfont_win.cpp @@ -0,0 +1,178 @@ +/**************************************************************************** +** +** 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 |