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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_WIN_P_H |
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43 #define QFONTENGINE_WIN_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 |
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56 #include <QtCore/qconfig.h> |
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57 |
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58 QT_BEGIN_NAMESPACE |
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59 |
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60 class QNativeImage; |
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61 |
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62 class QFontEngineWin : public QFontEngine |
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63 { |
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64 public: |
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65 QFontEngineWin(const QString &name, HFONT, bool, LOGFONT); |
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66 ~QFontEngineWin(); |
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67 |
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68 virtual QFixed lineThickness() const; |
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69 virtual Properties properties() const; |
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70 virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); |
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71 virtual FaceId faceId() const; |
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72 virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const; |
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73 virtual int synthesized() const; |
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74 virtual QFixed emSquareSize() const; |
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75 |
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76 virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; |
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77 virtual void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const; |
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78 |
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79 virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags); |
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80 virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs, |
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81 QPainterPath *path, QTextItem::RenderFlags flags); |
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82 |
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83 HGDIOBJ selectDesignFont() const; |
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84 |
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85 virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs); |
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86 virtual glyph_metrics_t boundingBox(glyph_t g) { return boundingBox(g, QTransform()); } |
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87 virtual glyph_metrics_t boundingBox(glyph_t g, const QTransform &t); |
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88 |
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89 |
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90 virtual QFixed ascent() const; |
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91 virtual QFixed descent() const; |
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92 virtual QFixed leading() const; |
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93 virtual QFixed xHeight() const; |
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94 virtual QFixed averageCharWidth() const; |
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95 virtual qreal maxCharWidth() const; |
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96 virtual qreal minLeftBearing() const; |
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97 virtual qreal minRightBearing() const; |
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98 |
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99 virtual const char *name() const; |
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100 |
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101 bool canRender(const QChar *string, int len); |
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102 |
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103 Type type() const; |
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104 |
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105 virtual QImage alphaMapForGlyph(glyph_t t) { return alphaMapForGlyph(t, QTransform()); } |
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106 virtual QImage alphaMapForGlyph(glyph_t, const QTransform &xform); |
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107 virtual QImage alphaRGBMapForGlyph(glyph_t t, int margin, const QTransform &xform); |
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108 |
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109 int getGlyphIndexes(const QChar *ch, int numChars, QGlyphLayout *glyphs, bool mirrored) const; |
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110 void getCMap(); |
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111 |
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112 QString _name; |
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113 HFONT hfont; |
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114 LOGFONT logfont; |
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115 uint stockFont : 1; |
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116 uint ttf : 1; |
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117 uint hasOutline : 1; |
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118 TEXTMETRIC tm; |
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119 int lw; |
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120 const unsigned char *cmap; |
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121 QByteArray cmapTable; |
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122 mutable qreal lbearing; |
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123 mutable qreal rbearing; |
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124 QFixed designToDevice; |
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125 int unitsPerEm; |
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126 QFixed x_height; |
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127 FaceId _faceId; |
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128 |
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129 mutable int synthesized_flags; |
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130 mutable QFixed lineWidth; |
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131 mutable unsigned char *widthCache; |
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132 mutable uint widthCacheSize; |
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133 mutable QFixed *designAdvances; |
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134 mutable int designAdvancesSize; |
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135 |
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136 private: |
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137 QNativeImage *drawGDIGlyph(HFONT font, glyph_t, int margin, const QTransform &xform, |
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138 QImage::Format mask_format); |
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139 |
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140 }; |
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141 |
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142 class QFontEngineMultiWin : public QFontEngineMulti |
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143 { |
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144 public: |
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145 QFontEngineMultiWin(QFontEngineWin *first, const QStringList &fallbacks); |
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146 void loadEngine(int at); |
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147 |
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148 QStringList fallbacks; |
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149 }; |
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150 |
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151 QT_END_NAMESPACE |
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152 |
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153 #endif // QFONTENGINE_WIN_P_H |