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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "qfont.h" |
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43 #include "qfont_p.h" |
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44 #include "qfontengine_p.h" |
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45 #include "qtextengine_p.h" |
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46 #include "qfontmetrics.h" |
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47 #include "qfontinfo.h" |
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48 |
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49 #include "qwidget.h" |
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50 #include "qpainter.h" |
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51 #include <limits.h> |
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52 #include "qt_windows.h" |
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53 #include <private/qapplication_p.h> |
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54 #include "qapplication.h" |
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55 #include <private/qunicodetables_p.h> |
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56 #include <qfontdatabase.h> |
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57 |
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58 QT_BEGIN_NAMESPACE |
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59 |
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60 extern HDC shared_dc(); // common dc for all fonts |
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61 |
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62 // ### maybe move to qapplication_win |
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63 QFont qt_LOGFONTtoQFont(LOGFONT& lf, bool /*scale*/) |
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64 { |
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65 QString family = QString::fromWCharArray(lf.lfFaceName); |
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66 QFont qf(family); |
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67 qf.setItalic(lf.lfItalic); |
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68 if (lf.lfWeight != FW_DONTCARE) { |
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69 int weight; |
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70 if (lf.lfWeight < 400) |
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71 weight = QFont::Light; |
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72 else if (lf.lfWeight < 600) |
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73 weight = QFont::Normal; |
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74 else if (lf.lfWeight < 700) |
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75 weight = QFont::DemiBold; |
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76 else if (lf.lfWeight < 800) |
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77 weight = QFont::Bold; |
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78 else |
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79 weight = QFont::Black; |
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80 qf.setWeight(weight); |
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81 } |
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82 int lfh = qAbs(lf.lfHeight); |
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83 qf.setPointSizeF(lfh * 72.0 / GetDeviceCaps(shared_dc(),LOGPIXELSY)); |
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84 qf.setUnderline(false); |
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85 qf.setOverline(false); |
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86 qf.setStrikeOut(false); |
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87 return qf; |
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88 } |
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89 |
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90 |
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91 static inline float pixelSize(const QFontDef &request, int dpi) |
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92 { |
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93 float pSize; |
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94 if (request.pointSize != -1) |
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95 pSize = request.pointSize * dpi/ 72.; |
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96 else |
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97 pSize = request.pixelSize; |
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98 return pSize; |
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99 } |
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100 |
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101 static inline float pointSize(const QFontDef &fd, int dpi) |
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102 { |
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103 float pSize; |
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104 if (fd.pointSize < 0) |
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105 pSize = fd.pixelSize * 72. / ((float)dpi); |
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106 else |
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107 pSize = fd.pointSize; |
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108 return pSize; |
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109 } |
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110 |
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111 /***************************************************************************** |
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112 QFont member functions |
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113 *****************************************************************************/ |
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114 |
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115 void QFont::initialize() |
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116 { |
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117 } |
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118 |
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119 void QFont::cleanup() |
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120 { |
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121 QFontCache::cleanup(); |
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122 } |
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123 |
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124 HFONT QFont::handle() const |
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125 { |
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126 QFontEngine *engine = d->engineForScript(QUnicodeTables::Common); |
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127 Q_ASSERT(engine != 0); |
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128 if (engine->type() == QFontEngine::Multi) |
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129 engine = static_cast<QFontEngineMulti *>(engine)->engine(0); |
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130 if (engine->type() == QFontEngine::Win) |
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131 return static_cast<QFontEngineWin *>(engine)->hfont; |
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132 return 0; |
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133 } |
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134 |
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135 QString QFont::rawName() const |
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136 { |
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137 return family(); |
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138 } |
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139 |
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140 void QFont::setRawName(const QString &name) |
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141 { |
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142 setFamily(name); |
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143 } |
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144 |
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145 QString QFont::defaultFamily() const |
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146 { |
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147 switch(d->request.styleHint) { |
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148 case QFont::Times: |
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149 return QString::fromLatin1("Times New Roman"); |
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150 case QFont::Courier: |
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151 return QString::fromLatin1("Courier New"); |
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152 case QFont::Decorative: |
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153 return QString::fromLatin1("Bookman Old Style"); |
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154 case QFont::Helvetica: |
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155 return QString::fromLatin1("Arial"); |
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156 case QFont::System: |
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157 default: |
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158 return QString::fromLatin1("MS Sans Serif"); |
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159 } |
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160 } |
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161 |
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162 QString QFont::lastResortFamily() const |
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163 { |
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164 return QString::fromLatin1("helvetica"); |
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165 } |
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166 |
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167 QString QFont::lastResortFont() const |
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168 { |
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169 return QString::fromLatin1("arial"); |
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170 } |
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171 |
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172 QT_END_NAMESPACE |