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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 #ifndef QFONTENGINE_X11_P_H |
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43 #define QFONTENGINE_X11_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. It exists purely as an |
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50 // implementation detail. This header file may change from version to |
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51 // version without notice, or even be removed. |
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52 // |
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53 // We mean it. |
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54 // |
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55 #include <private/qt_x11_p.h> |
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56 |
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57 #include <private/qfontengine_ft_p.h> |
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58 |
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59 QT_BEGIN_NAMESPACE |
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60 |
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61 class QFreetypeFace; |
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62 |
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63 // -------------------------------------------------------------------------- |
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64 |
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65 class QFontEngineMultiXLFD : public QFontEngineMulti |
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66 { |
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67 public: |
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68 QFontEngineMultiXLFD(const QFontDef &r, const QList<int> &l, int s); |
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69 ~QFontEngineMultiXLFD(); |
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70 |
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71 void loadEngine(int at); |
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72 |
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73 private: |
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74 QList<int> encodings; |
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75 int screen; |
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76 QFontDef request; |
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77 }; |
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78 |
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79 /** |
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80 * \internal The font engine for X Logical Font Description (XLFD) fonts, which is for X11 systems without freetype. |
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81 */ |
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82 class QFontEngineXLFD : public QFontEngine |
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83 { |
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84 public: |
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85 QFontEngineXLFD(XFontStruct *f, const QByteArray &name, int mib); |
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86 ~QFontEngineXLFD(); |
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87 |
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88 virtual QFontEngine::FaceId faceId() const; |
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89 QFontEngine::Properties properties() const; |
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90 virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); |
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91 virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const; |
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92 virtual int synthesized() const; |
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93 |
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94 virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, |
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95 QTextEngine::ShaperFlags flags) const; |
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96 virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; |
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97 |
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98 virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs); |
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99 virtual glyph_metrics_t boundingBox(glyph_t glyph); |
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100 |
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101 virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags); |
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102 virtual QFixed ascent() const; |
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103 virtual QFixed descent() const; |
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104 virtual QFixed leading() const; |
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105 virtual qreal maxCharWidth() const; |
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106 virtual qreal minLeftBearing() const; |
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107 virtual qreal minRightBearing() const; |
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108 virtual QImage alphaMapForGlyph(glyph_t); |
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109 |
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110 virtual inline Type type() const |
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111 { return QFontEngine::XLFD; } |
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112 |
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113 virtual bool canRender(const QChar *string, int len); |
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114 virtual const char *name() const; |
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115 |
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116 inline XFontStruct *fontStruct() const |
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117 { return _fs; } |
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118 |
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119 #ifndef QT_NO_FREETYPE |
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120 FT_Face non_locked_face() const; |
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121 glyph_t glyphIndexToFreetypeGlyphIndex(glyph_t g) const; |
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122 #endif |
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123 uint toUnicode(glyph_t g) const; |
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124 |
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125 private: |
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126 QBitmap bitmapForGlyphs(const QGlyphLayout &glyphs, const glyph_metrics_t &metrics, QTextItem::RenderFlags flags = 0); |
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127 |
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128 XFontStruct *_fs; |
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129 QByteArray _name; |
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130 QTextCodec *_codec; |
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131 int _cmap; |
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132 int lbearing, rbearing; |
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133 mutable QFontEngine::FaceId face_id; |
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134 mutable QFreetypeFace *freetype; |
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135 mutable int synth; |
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136 }; |
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137 |
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138 #ifndef QT_NO_FONTCONFIG |
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139 |
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140 class Q_GUI_EXPORT QFontEngineMultiFT : public QFontEngineMulti |
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141 { |
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142 public: |
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143 QFontEngineMultiFT(QFontEngine *fe, FcPattern *firstEnginePattern, FcPattern *p, int s, const QFontDef &request); |
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144 ~QFontEngineMultiFT(); |
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145 |
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146 void loadEngine(int at); |
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147 |
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148 private: |
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149 QFontDef request; |
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150 FcPattern *pattern; |
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151 FcPattern *firstEnginePattern; |
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152 FcFontSet *fontSet; |
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153 int screen; |
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154 int firstFontIndex; // first font in fontset |
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155 }; |
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156 |
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157 class Q_GUI_EXPORT QFontEngineX11FT : public QFontEngineFT |
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158 { |
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159 public: |
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160 explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen); |
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161 ~QFontEngineX11FT(); |
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162 |
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163 #ifndef QT_NO_XRENDER |
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164 int xglyph_format; |
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165 #endif |
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166 |
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167 protected: |
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168 virtual bool uploadGlyphToServer(QGlyphSet *set, uint glyphid, Glyph *g, GlyphInfo *info, int glyphDataSize) const; |
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169 virtual unsigned long allocateServerGlyphSet(); |
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170 virtual void freeServerGlyphSet(unsigned long id); |
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171 }; |
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172 |
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173 #endif // QT_NO_FONTCONFIG |
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174 |
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175 QT_END_NAMESPACE |
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176 |
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177 #endif // QFONTENGINE_X11_P_H |