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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the QtGui module of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include "qfont.h"

    43 #include "qfont_p.h"

    44 #include "qfontengine_p.h"

    45 #include "qtextengine_p.h"

    46 #include "qfontmetrics.h"

    47 #include "qfontinfo.h"

    48 

    49 #include "qwidget.h"

    50 #include "qpainter.h"

    51 #include <limits.h>

    52 #include "qt_windows.h"

    53 #include <private/qapplication_p.h>

    54 #include "qapplication.h"

    55 #include <private/qunicodetables_p.h>

    56 #include <qfontdatabase.h>

    57 

    58 QT_BEGIN_NAMESPACE

    59         

    60 extern HDC   shared_dc();                // common dc for all fonts

    61 

    62 // ### maybe move to qapplication_win

    63 QFont qt_LOGFONTtoQFont(LOGFONT& lf, bool /*scale*/)

    64 {

    65     QString family = QString::fromWCharArray(lf.lfFaceName);

    66     QFont qf(family);

    67     qf.setItalic(lf.lfItalic);

    68     if (lf.lfWeight != FW_DONTCARE) {

    69         int weight;

    70         if (lf.lfWeight < 400)

    71             weight = QFont::Light;

    72         else if (lf.lfWeight < 600)

    73             weight = QFont::Normal;

    74         else if (lf.lfWeight < 700)

    75             weight = QFont::DemiBold;

    76         else if (lf.lfWeight < 800)

    77             weight = QFont::Bold;

    78         else

    79             weight = QFont::Black;

    80         qf.setWeight(weight);

    81     }

    82     int lfh = qAbs(lf.lfHeight);

    83     qf.setPointSizeF(lfh * 72.0 / GetDeviceCaps(shared_dc(),LOGPIXELSY));

    84     qf.setUnderline(false);

    85     qf.setOverline(false);

    86     qf.setStrikeOut(false);

    87     return qf;

    88 }

    89 

    90 

    91 static inline float pixelSize(const QFontDef &request, int dpi)

    92 {

    93     float pSize;

    94     if (request.pointSize != -1)

    95         pSize = request.pointSize * dpi/ 72.;

    96     else

    97         pSize = request.pixelSize;

    98     return pSize;

    99 }

   100 

   101 static inline float pointSize(const QFontDef &fd, int dpi)

   102 {

   103     float pSize;

   104     if (fd.pointSize < 0)

   105         pSize = fd.pixelSize * 72. / ((float)dpi);

   106     else

   107         pSize = fd.pointSize;

   108     return pSize;

   109 }

   110 

   111 /*****************************************************************************

   112   QFont member functions

   113  *****************************************************************************/

   114 

   115 void QFont::initialize()

   116 {

   117 }

   118 

   119 void QFont::cleanup()

   120 {

   121     QFontCache::cleanup();

   122 }

   123 

   124 HFONT QFont::handle() const

   125 {

   126     QFontEngine *engine = d->engineForScript(QUnicodeTables::Common);

   127     Q_ASSERT(engine != 0);

   128     if (engine->type() == QFontEngine::Multi)

   129         engine = static_cast<QFontEngineMulti *>(engine)->engine(0);

   130     if (engine->type() == QFontEngine::Win)

   131 	return static_cast<QFontEngineWin *>(engine)->hfont;

   132     return 0;

   133 }

   134 

   135 QString QFont::rawName() const

   136 {

   137     return family();

   138 }

   139 

   140 void QFont::setRawName(const QString &name)

   141 {

   142     setFamily(name);

   143 }

   144 

   145 QString QFont::defaultFamily() const

   146 {

   147     switch(d->request.styleHint) {

   148         case QFont::Times:

   149             return QString::fromLatin1("Times New Roman");

   150         case QFont::Courier:

   151             return QString::fromLatin1("Courier New");

   152         case QFont::Decorative:

   153             return QString::fromLatin1("Bookman Old Style");

   154         case QFont::Helvetica:

   155             return QString::fromLatin1("Arial");

   156         case QFont::System:

   157         default:

   158             return QString::fromLatin1("MS Sans Serif");

   159     }

   160 }

   161 

   162 QString QFont::lastResortFamily() const

   163 {

   164     return QString::fromLatin1("helvetica");

   165 }

   166 

   167 QString QFont::lastResortFont() const

   168 {

   169     return QString::fromLatin1("arial");

   170 }

   171 

   172 QT_END_NAMESPACE