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qquickfontmetrics.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
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16**-
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22** ensure the GNU Lesser General Public License version 3 requirements-
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38****************************************************************************/-
39-
40#include "qquickfontmetrics_p.h"-
41-
42#include <QFont>-
43-
44QT_BEGIN_NAMESPACE-
45-
46/*!-
47 \qmltype FontMetrics-
48 \instantiates QQuickFontMetrics-
49 \inqmlmodule QtQuick-
50 \since 5.4-
51 \ingroup qtquick-text-utility-
52 \brief Provides metrics for a given font.-
53-
54 FontMetrics calculates the size of characters and strings for a given font.-
55-
56 It provides a subset of the C++ \l QFontMetricsF API, with the added-
57 ability to change the font that is used for calculations via the \l font-
58 property.-
59-
60 \code-
61 FontMetrics {-
62 id: fontMetrics-
63 font.family: "Arial"-
64 }-
65-
66 Rectangle {-
67 width: fontMetrics.height * 4-
68 height: fontMetrics.height * 2-
69 }-
70 \endcode-
71-
72 \sa QFontMetricsF, TextMetrics-
73*/-
74QQuickFontMetrics::QQuickFontMetrics(QObject *parent) :-
75 QObject(parent),-
76 m_metrics(m_font)-
77{-
78}
executed 202 times by 1 test: end of block
Executed by:
  • tst_quickfontmetrics
202
79-
80QQuickFontMetrics::~QQuickFontMetrics()-
81{-
82}-
83-
84/*!-
85 \qmlproperty font QtQuick::FontMetrics::font-
86-
87 This property holds the font used for the metrics calculations.-
88*/-
89QFont QQuickFontMetrics::font() const-
90{-
91 return m_font;
never executed: return m_font;
0
92}-
93-
94void QQuickFontMetrics::setFont(const QFont &font)-
95{-
96 if (m_font != font) {
m_font != fontDescription
TRUEevaluated 20 times by 1 test
Evaluated by:
  • tst_quickfontmetrics
FALSEnever evaluated
0-20
97 m_font = font;-
98 m_metrics = QFontMetricsF(m_font);-
99 emit fontChanged(m_font);-
100 }
executed 20 times by 1 test: end of block
Executed by:
  • tst_quickfontmetrics
20
101}
executed 20 times by 1 test: end of block
Executed by:
  • tst_quickfontmetrics
20
102-
103/*!-
104 \qmlproperty real QtQuick::FontMetrics::ascent-
105-
106 This property holds the ascent of the font.-
107-
108 \sa {QFontMetricsF::ascent()}, descent, height-
109*/-
110qreal QQuickFontMetrics::ascent() const-
111{-
112 return m_metrics.ascent();
executed 20 times by 1 test: return m_metrics.ascent();
Executed by:
  • tst_quickfontmetrics
20
113}-
114-
115/*!-
116 \qmlproperty real QtQuick::FontMetrics::descent-
117-
118 This property holds the descent of the font.-
119-
120 \sa {QFontMetricsF::descent()}, ascent, height-
121*/-
122qreal QQuickFontMetrics::descent() const-
123{-
124 return m_metrics.descent();
executed 20 times by 1 test: return m_metrics.descent();
Executed by:
  • tst_quickfontmetrics
20
125}-
126-
127/*!-
128 \qmlproperty real QtQuick::FontMetrics::height-
129-
130 This property holds the height of the font.-
131-
132 \sa {QFontMetricsF::height()}-
133*/-
134qreal QQuickFontMetrics::height() const-
135{-
136 return m_metrics.height();
executed 20 times by 1 test: return m_metrics.height();
Executed by:
  • tst_quickfontmetrics
20
137}-
138-
139/*!-
140 \qmlproperty real QtQuick::FontMetrics::leading-
141-
142 This property holds the leading of the font.-
143-
144 \sa {QFontMetricsF::leading()}-
145*/-
146qreal QQuickFontMetrics::leading() const-
147{-
148 return m_metrics.leading();
executed 20 times by 1 test: return m_metrics.leading();
Executed by:
  • tst_quickfontmetrics
20
149}-
150-
151/*!-
152 \qmlproperty real QtQuick::FontMetrics::lineSpacing-
153-
154 This property holds the distance from one base line to the next.-
155-
156 \sa {QFontMetricsF::lineSpacing()}-
157*/-
158qreal QQuickFontMetrics::lineSpacing() const-
159{-
160 return m_metrics.lineSpacing();
executed 20 times by 1 test: return m_metrics.lineSpacing();
Executed by:
  • tst_quickfontmetrics
20
161}-
162-
163/*!-
164 \qmlproperty real QtQuick::FontMetrics::minimumLeftBearing-
165-
166 This property holds the minimum left bearing of the font.-
167-
168 \sa {QFontMetricsF::minLeftBearing()}-
169*/-
170qreal QQuickFontMetrics::minimumLeftBearing() const-
171{-
172 return m_metrics.minLeftBearing();
executed 20 times by 1 test: return m_metrics.minLeftBearing();
Executed by:
  • tst_quickfontmetrics
20
173}-
174-
175/*!-
176 \qmlproperty real QtQuick::FontMetrics::minimumRightBearing-
177-
178 This property holds the minimum right bearing of the font.-
179-
180 \sa {QFontMetricsF::minRightBearing()}-
181*/-
182qreal QQuickFontMetrics::minimumRightBearing() const-
183{-
184 return m_metrics.minRightBearing();
executed 20 times by 1 test: return m_metrics.minRightBearing();
Executed by:
  • tst_quickfontmetrics
20
185}-
186-
187/*!-
188 \qmlproperty real QtQuick::FontMetrics::maximumCharacterWidth-
189-
190 This property holds the width of the widest character in the font.-
191-
192 \sa {QFontMetricsF::maxWidth()}-
193*/-
194qreal QQuickFontMetrics::maximumCharacterWidth() const-
195{-
196 return m_metrics.maxWidth();
executed 20 times by 1 test: return m_metrics.maxWidth();
Executed by:
  • tst_quickfontmetrics
20
197}-
198-
199/*!-
200 \qmlproperty real QtQuick::FontMetrics::xHeight-
201-
202 This property holds the 'x' height of the font.-
203-
204 \sa {QFontMetricsF::xHeight()}-
205*/-
206qreal QQuickFontMetrics::xHeight() const-
207{-
208 return m_metrics.xHeight();
executed 20 times by 1 test: return m_metrics.xHeight();
Executed by:
  • tst_quickfontmetrics
20
209}-
210-
211/*!-
212 \qmlproperty real QtQuick::FontMetrics::averageCharacterWidth-
213-
214 This property holds the average width of glyphs in the font.-
215-
216 \sa {QFontMetricsF::averageCharWidth()}-
217*/-
218qreal QQuickFontMetrics::averageCharacterWidth() const-
219{-
220 return m_metrics.averageCharWidth();
executed 20 times by 1 test: return m_metrics.averageCharWidth();
Executed by:
  • tst_quickfontmetrics
20
221}-
222-
223/*!-
224 \qmlproperty real QtQuick::FontMetrics::underlinePosition-
225-
226 This property holds the distance from the base line to where an underscore-
227 should be drawn.-
228-
229 \sa {QFontMetricsF::underlinePos()}, overlinePosition, strikeOutPosition-
230*/-
231qreal QQuickFontMetrics::underlinePosition() const-
232{-
233 return m_metrics.underlinePos();
executed 20 times by 1 test: return m_metrics.underlinePos();
Executed by:
  • tst_quickfontmetrics
20
234}-
235-
236/*!-
237 \qmlproperty real QtQuick::FontMetrics::overlinePosition-
238-
239 This property holds the distance from the base line to where an overline-
240 should be drawn.-
241-
242 \sa {QFontMetricsF::overlinePos()}, underlinePosition, strikeOutPosition-
243*/-
244qreal QQuickFontMetrics::overlinePosition() const-
245{-
246 return m_metrics.overlinePos();
executed 20 times by 1 test: return m_metrics.overlinePos();
Executed by:
  • tst_quickfontmetrics
20
247}-
248-
249/*!-
250 \qmlproperty real QtQuick::FontMetrics::strikeOutPosition-
251-
252 This property holds the distance from the base line to where the strikeout-
253 line should be drawn.-
254-
255 \sa {QFontMetricsF::strikeOutPos()}, overlinePosition, underlinePosition-
256*/-
257qreal QQuickFontMetrics::strikeOutPosition() const-
258{-
259 return m_metrics.strikeOutPos();
executed 20 times by 1 test: return m_metrics.strikeOutPos();
Executed by:
  • tst_quickfontmetrics
20
260}-
261-
262/*!-
263 \qmlproperty real QtQuick::FontMetrics::lineWidth-
264-
265 This property holds the width of the underline and strikeout lines,-
266 adjusted for the point size of the font.-
267-
268 \sa {QFontMetricsF::lineWidth()}-
269*/-
270qreal QQuickFontMetrics::lineWidth() const-
271{-
272 return m_metrics.lineWidth();
executed 20 times by 1 test: return m_metrics.lineWidth();
Executed by:
  • tst_quickfontmetrics
20
273}-
274-
275/*!-
276 \qmlmethod qreal QtQuick::FontMetrics::advanceWidth(string text)-
277-
278 This method returns the advance in pixels of the characters in \a text.-
279 This is the distance from the position of the string to where the next-
280 string should be drawn.-
281-
282 This method is offered as an imperative alternative to the-
283 \l {QQuickTextMetrics::advanceWidth}{advanceWidth} property of-
284 \l {QQuickTextMetrics::advanceWidth}{TextMetrics}.-
285-
286 \sa {QFontMetricsF::width()}, {QFontMetricsF::height()}-
287*/-
288qreal QQuickFontMetrics::advanceWidth(const QString &text) const-
289{-
290 return m_metrics.width(text);
executed 200 times by 1 test: return m_metrics.width(text);
Executed by:
  • tst_quickfontmetrics
200
291}-
292-
293/*!-
294 \qmlmethod rect QtQuick::FontMetrics::boundingRect(string text)-
295-
296 This method returns the bounding rectangle of the characters in the string-
297 specified by \a text.-
298-
299 This method is offered as an imperative alternative to the-
300 \l {QQuickTextMetrics::boundingRect}{boundingRect} property of-
301 \l {QQuickTextMetrics::boundingRect}{TextMetrics}.-
302-
303 \sa {QFontMetricsF::boundingRect()}, tightBoundingRect()-
304*/-
305QRectF QQuickFontMetrics::boundingRect(const QString &text) const-
306{-
307 return m_metrics.boundingRect(text);
executed 200 times by 1 test: return m_metrics.boundingRect(text);
Executed by:
  • tst_quickfontmetrics
200
308}-
309-
310/*!-
311 \qmlmethod rect QtQuick::FontMetrics::tightBoundingRect(string text)-
312-
313 This method returns a tight bounding rectangle around the characters in the-
314 string specified by \a text.-
315-
316 This method is offered as an imperative alternative to the-
317 \l {QQuickTextMetrics::tightBoundingRect}{tightBoundingRect} property of-
318 \l {QQuickTextMetrics::tightBoundingRect}{TextMetrics}.-
319-
320 \sa {QFontMetricsF::tightBoundingRect()}, boundingRect()-
321*/-
322QRectF QQuickFontMetrics::tightBoundingRect(const QString &text) const-
323{-
324 return m_metrics.tightBoundingRect(text);
executed 200 times by 1 test: return m_metrics.tightBoundingRect(text);
Executed by:
  • tst_quickfontmetrics
200
325}-
326-
327/*!-
328 \qmlmethod string QtQuick::FontMetrics::elidedText(string text, enumeration mode, real width, int flags)-
329-
330 This method returns a returns an elided version of the string (i.e., a-
331 string with "..." in it) if the string \a text is wider than \a width.-
332 Otherwise, returns the original string.-
333-
334 The \a flags argument is optional and currently only supports-
335 \l {Qt::TextShowMnemonic}.-
336-
337 This method is offered as an imperative alternative to the-
338 \l {QQuickTextMetrics::elidedText}{elidedText} property of-
339 \l {QQuickTextMetrics::elidedText}{TextMetrics}.-
340-
341 \sa {QFontMetricsF::elidedText()}-
342*/-
343QString QQuickFontMetrics::elidedText(const QString &text, Qt::TextElideMode mode, qreal width, int flags) const-
344{-
345 return m_metrics.elidedText(text, mode, width, flags);
executed 200 times by 1 test: return m_metrics.elidedText(text, mode, width, flags);
Executed by:
  • tst_quickfontmetrics
200
346}-
347-
348QT_END_NAMESPACE-
349-
350#include "moc_qquickfontmetrics_p.cpp"-
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