src/gui/text/qfont_win.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qfont_win.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,172 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 = QString::fromWCharArray(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