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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QFONTMETRICS_H |
43 | #define QFONTMETRICS_H |
44 | |
45 | #include <QtGui/qfont.h> |
46 | #include <QtCore/qsharedpointer.h> |
47 | #ifndef QT_INCLUDE_COMPAT |
48 | #include <QtCore/qrect.h> |
49 | #endif |
50 | |
51 | QT_BEGIN_HEADER |
52 | |
53 | QT_BEGIN_NAMESPACE |
54 | |
55 | QT_MODULE(Gui) |
56 | |
57 | #ifdef Q_WS_QWS |
58 | class QFontEngine; |
59 | #endif |
60 | |
61 | class QTextCodec; |
62 | class QRect; |
63 | |
64 | |
65 | class Q_GUI_EXPORT QFontMetrics |
66 | { |
67 | public: |
68 | QFontMetrics(const QFont &); |
69 | QFontMetrics(const QFont &, QPaintDevice *pd); |
70 | QFontMetrics(const QFontMetrics &); |
71 | ~QFontMetrics(); |
72 | |
73 | QFontMetrics &operator=(const QFontMetrics &); |
74 | #ifdef Q_COMPILER_RVALUE_REFS |
75 | inline QFontMetrics &operator=(QFontMetrics &&other) |
76 | { qSwap(d, other.d); return *this; } |
77 | #endif |
78 | |
79 | int ascent() const; |
80 | int descent() const; |
81 | int height() const; |
82 | int leading() const; |
83 | int lineSpacing() const; |
84 | int minLeftBearing() const; |
85 | int minRightBearing() const; |
86 | int maxWidth() const; |
87 | |
88 | int xHeight() const; |
89 | int averageCharWidth() const; |
90 | |
91 | bool inFont(QChar) const; |
92 | bool inFontUcs4(uint ucs4) const; |
93 | |
94 | int leftBearing(QChar) const; |
95 | int rightBearing(QChar) const; |
96 | int width(const QString &, int len = -1) const; |
97 | int width(const QString &, int len, int flags) const; |
98 | |
99 | int width(QChar) const; |
100 | int charWidth(const QString &str, int pos) const; |
101 | |
102 | QRect boundingRect(QChar) const; |
103 | |
104 | QRect boundingRect(const QString &text) const; |
105 | QRect boundingRect(const QRect &r, int flags, const QString &text, int tabstops=0, int *tabarray=0) const; |
106 | inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString &text, |
107 | int tabstops=0, int *tabarray=0) const |
108 | { return boundingRect(QRect(x, y, w, h), flags, text, tabstops, tabarray); } |
109 | QSize size(int flags, const QString& str, int tabstops=0, int *tabarray=0) const; |
110 | |
111 | QRect tightBoundingRect(const QString &text) const; |
112 | |
113 | QString elidedText(const QString &text, Qt::TextElideMode mode, int width, int flags = 0) const; |
114 | |
115 | int underlinePos() const; |
116 | int overlinePos() const; |
117 | int strikeOutPos() const; |
118 | int lineWidth() const; |
119 | |
120 | bool operator==(const QFontMetrics &other); // 5.0 - remove me |
121 | bool operator==(const QFontMetrics &other) const; |
122 | inline bool operator !=(const QFontMetrics &other) { return !operator==(other); } // 5.0 - remove me |
123 | inline bool operator !=(const QFontMetrics &other) const { return !operator==(other); } |
124 | |
125 | #ifdef QT3_SUPPORT |
126 | inline QRect boundingRect(const QString &text, int len) const |
127 | { return boundingRect(text.left(len)); } |
128 | inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString& str, int len, |
129 | int tabstops=0, int *tabarray=0) const |
130 | { return boundingRect(QRect(x, y, w, h), flags, str.left(len), tabstops, tabarray); } |
131 | inline QSize size(int flags, const QString& str, int len, int tabstops=0, int *tabarray=0) const |
132 | { return size(flags, str.left(len), tabstops, tabarray); } |
133 | #endif |
134 | private: |
135 | #if defined(Q_WS_MAC) |
136 | friend class QFontPrivate; |
137 | #endif |
138 | friend class QFontMetricsF; |
139 | friend class QStackTextEngine; |
140 | |
141 | QExplicitlySharedDataPointer<QFontPrivate> d; |
142 | }; |
143 | |
144 | |
145 | class Q_GUI_EXPORT QFontMetricsF |
146 | { |
147 | public: |
148 | QFontMetricsF(const QFont &); |
149 | QFontMetricsF(const QFont &, QPaintDevice *pd); |
150 | QFontMetricsF(const QFontMetrics &); |
151 | QFontMetricsF(const QFontMetricsF &); |
152 | ~QFontMetricsF(); |
153 | |
154 | QFontMetricsF &operator=(const QFontMetricsF &); |
155 | QFontMetricsF &operator=(const QFontMetrics &); |
156 | #ifdef Q_COMPILER_RVALUE_REFS |
157 | inline QFontMetricsF &operator=(QFontMetricsF &&other) |
158 | { qSwap(d, other.d); return *this; } |
159 | #endif |
160 | qreal ascent() const; |
161 | qreal descent() const; |
162 | qreal height() const; |
163 | qreal leading() const; |
164 | qreal lineSpacing() const; |
165 | qreal minLeftBearing() const; |
166 | qreal minRightBearing() const; |
167 | qreal maxWidth() const; |
168 | |
169 | qreal xHeight() const; |
170 | qreal averageCharWidth() const; |
171 | |
172 | bool inFont(QChar) const; |
173 | bool inFontUcs4(uint ucs4) const; |
174 | |
175 | qreal leftBearing(QChar) const; |
176 | qreal rightBearing(QChar) const; |
177 | qreal width(const QString &string) const; |
178 | |
179 | qreal width(QChar) const; |
180 | |
181 | QRectF boundingRect(const QString &string) const; |
182 | QRectF boundingRect(QChar) const; |
183 | QRectF boundingRect(const QRectF &r, int flags, const QString& string, int tabstops=0, int *tabarray=0) const; |
184 | QSizeF size(int flags, const QString& str, int tabstops=0, int *tabarray=0) const; |
185 | |
186 | QRectF tightBoundingRect(const QString &text) const; |
187 | |
188 | QString elidedText(const QString &text, Qt::TextElideMode mode, qreal width, int flags = 0) const; |
189 | |
190 | qreal underlinePos() const; |
191 | qreal overlinePos() const; |
192 | qreal strikeOutPos() const; |
193 | qreal lineWidth() const; |
194 | |
195 | bool operator==(const QFontMetricsF &other); // 5.0 - remove me |
196 | bool operator==(const QFontMetricsF &other) const; |
197 | inline bool operator !=(const QFontMetricsF &other) { return !operator==(other); } // 5.0 - remove me |
198 | inline bool operator !=(const QFontMetricsF &other) const { return !operator==(other); } |
199 | |
200 | private: |
201 | QExplicitlySharedDataPointer<QFontPrivate> d; |
202 | }; |
203 | |
204 | QT_END_NAMESPACE |
205 | |
206 | QT_END_HEADER |
207 | |
208 | #endif // QFONTMETRICS_H |
209 | |