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qquickpath_p.h
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QQUICKPATH_H
5#define QQUICKPATH_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <private/qtquickglobal_p.h>
19
20QT_REQUIRE_CONFIG(quick_path);
21
22#include <qqml.h>
23
24#include <private/qqmlnullablevalue_p.h>
25#include <private/qbezier_p.h>
26#include <private/qtquickglobal_p.h>
27
28#include <QtCore/QObject>
29#include <QtCore/QHash>
30#include <QtGui/QPainterPath>
31#include <QtGui/QFont>
32
33QT_BEGIN_NAMESPACE
34
35class QQuickCurve;
36struct QQuickPathData
37{
38 int index;
39 QPointF endPoint;
40 QList<QQuickCurve*> curves;
41};
42
43class Q_QUICK_PRIVATE_EXPORT QQuickPathElement : public QObject
44{
45 Q_OBJECT
46 QML_ANONYMOUS
47 QML_ADDED_IN_VERSION(2, 0)
48public:
49 QQuickPathElement(QObject *parent=nullptr) : QObject(parent) {}
50Q_SIGNALS:
51 void changed();
52};
53
54class Q_QUICK_PRIVATE_EXPORT QQuickPathAttribute : public QQuickPathElement
55{
56 Q_OBJECT
57
58 Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged FINAL)
59 Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY valueChanged FINAL)
60 QML_NAMED_ELEMENT(PathAttribute)
61 QML_ADDED_IN_VERSION(2, 0)
62public:
63 QQuickPathAttribute(QObject *parent=nullptr) : QQuickPathElement(parent) {}
64
65
66 QString name() const;
67 void setName(const QString &name);
68
69 qreal value() const;
70 void setValue(qreal value);
71
72Q_SIGNALS:
73 void nameChanged();
74 void valueChanged();
75
76private:
77 QString _name;
78 qreal _value = 0;
79};
80
81class Q_QUICK_PRIVATE_EXPORT QQuickCurve : public QQuickPathElement
82{
83 Q_OBJECT
84
85 Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged FINAL)
86 Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged FINAL)
87 Q_PROPERTY(qreal relativeX READ relativeX WRITE setRelativeX NOTIFY relativeXChanged FINAL)
88 Q_PROPERTY(qreal relativeY READ relativeY WRITE setRelativeY NOTIFY relativeYChanged FINAL)
89 QML_ANONYMOUS
90 QML_ADDED_IN_VERSION(2, 0)
91public:
92 QQuickCurve(QObject *parent=nullptr) : QQuickPathElement(parent) {}
93
94 qreal x() const;
95 void setX(qreal x);
96 bool hasX();
97
98 qreal y() const;
99 void setY(qreal y);
100 bool hasY();
101
102 qreal relativeX() const;
103 void setRelativeX(qreal x);
104 bool hasRelativeX();
105
106 qreal relativeY() const;
107 void setRelativeY(qreal y);
108 bool hasRelativeY();
109
110 virtual void addToPath(QPainterPath &, const QQuickPathData &) {}
111
112Q_SIGNALS:
113 void xChanged();
114 void yChanged();
115 void relativeXChanged();
116 void relativeYChanged();
117
118private:
119 QQmlNullableValue<qreal> _x;
120 QQmlNullableValue<qreal> _y;
121 QQmlNullableValue<qreal> _relativeX;
122 QQmlNullableValue<qreal> _relativeY;
123};
124
125class Q_QUICK_PRIVATE_EXPORT QQuickPathLine : public QQuickCurve
126{
127 Q_OBJECT
128 QML_NAMED_ELEMENT(PathLine)
129 QML_ADDED_IN_VERSION(2, 0)
130public:
131 QQuickPathLine(QObject *parent=nullptr) : QQuickCurve(parent) {}
132
133 void addToPath(QPainterPath &path, const QQuickPathData &) override;
134};
135
136class Q_QUICK_PRIVATE_EXPORT QQuickPathMove : public QQuickCurve
137{
138 Q_OBJECT
139 QML_NAMED_ELEMENT(PathMove)
140 QML_ADDED_IN_VERSION(2, 9)
141public:
142 QQuickPathMove(QObject *parent=nullptr) : QQuickCurve(parent) {}
143
144 void addToPath(QPainterPath &path, const QQuickPathData &) override;
145};
146
147class Q_QUICK_PRIVATE_EXPORT QQuickPathQuad : public QQuickCurve
148{
149 Q_OBJECT
150
151 Q_PROPERTY(qreal controlX READ controlX WRITE setControlX NOTIFY controlXChanged FINAL)
152 Q_PROPERTY(qreal controlY READ controlY WRITE setControlY NOTIFY controlYChanged FINAL)
153 Q_PROPERTY(qreal relativeControlX READ relativeControlX WRITE setRelativeControlX NOTIFY relativeControlXChanged FINAL)
154 Q_PROPERTY(qreal relativeControlY READ relativeControlY WRITE setRelativeControlY NOTIFY relativeControlYChanged FINAL)
155
156 QML_NAMED_ELEMENT(PathQuad)
157 QML_ADDED_IN_VERSION(2, 0)
158public:
159 QQuickPathQuad(QObject *parent=nullptr) : QQuickCurve(parent) {}
160
161 qreal controlX() const;
162 void setControlX(qreal x);
163
164 qreal controlY() const;
165 void setControlY(qreal y);
166
167 qreal relativeControlX() const;
168 void setRelativeControlX(qreal x);
169 bool hasRelativeControlX();
170
171 qreal relativeControlY() const;
172 void setRelativeControlY(qreal y);
173 bool hasRelativeControlY();
174
175 void addToPath(QPainterPath &path, const QQuickPathData &) override;
176
177Q_SIGNALS:
178 void controlXChanged();
179 void controlYChanged();
180 void relativeControlXChanged();
181 void relativeControlYChanged();
182
183private:
184 qreal _controlX = 0;
185 qreal _controlY = 0;
186 QQmlNullableValue<qreal> _relativeControlX;
187 QQmlNullableValue<qreal> _relativeControlY;
188};
189
190class Q_QUICK_PRIVATE_EXPORT QQuickPathCubic : public QQuickCurve
191{
192 Q_OBJECT
193
194 Q_PROPERTY(qreal control1X READ control1X WRITE setControl1X NOTIFY control1XChanged FINAL)
195 Q_PROPERTY(qreal control1Y READ control1Y WRITE setControl1Y NOTIFY control1YChanged FINAL)
196 Q_PROPERTY(qreal control2X READ control2X WRITE setControl2X NOTIFY control2XChanged FINAL)
197 Q_PROPERTY(qreal control2Y READ control2Y WRITE setControl2Y NOTIFY control2YChanged FINAL)
198 Q_PROPERTY(qreal relativeControl1X READ relativeControl1X WRITE setRelativeControl1X NOTIFY relativeControl1XChanged FINAL)
199 Q_PROPERTY(qreal relativeControl1Y READ relativeControl1Y WRITE setRelativeControl1Y NOTIFY relativeControl1YChanged FINAL)
200 Q_PROPERTY(qreal relativeControl2X READ relativeControl2X WRITE setRelativeControl2X NOTIFY relativeControl2XChanged FINAL)
201 Q_PROPERTY(qreal relativeControl2Y READ relativeControl2Y WRITE setRelativeControl2Y NOTIFY relativeControl2YChanged FINAL)
202 QML_NAMED_ELEMENT(PathCubic)
203 QML_ADDED_IN_VERSION(2, 0)
204public:
205 QQuickPathCubic(QObject *parent=nullptr) : QQuickCurve(parent) {}
206
207 qreal control1X() const;
208 void setControl1X(qreal x);
209
210 qreal control1Y() const;
211 void setControl1Y(qreal y);
212
213 qreal control2X() const;
214 void setControl2X(qreal x);
215
216 qreal control2Y() const;
217 void setControl2Y(qreal y);
218
219 qreal relativeControl1X() const;
220 void setRelativeControl1X(qreal x);
221 bool hasRelativeControl1X();
222
223 qreal relativeControl1Y() const;
224 void setRelativeControl1Y(qreal y);
225 bool hasRelativeControl1Y();
226
227 qreal relativeControl2X() const;
228 void setRelativeControl2X(qreal x);
229 bool hasRelativeControl2X();
230
231 qreal relativeControl2Y() const;
232 void setRelativeControl2Y(qreal y);
233 bool hasRelativeControl2Y();
234
235 void addToPath(QPainterPath &path, const QQuickPathData &) override;
236
237Q_SIGNALS:
238 void control1XChanged();
239 void control1YChanged();
240 void control2XChanged();
241 void control2YChanged();
242 void relativeControl1XChanged();
243 void relativeControl1YChanged();
244 void relativeControl2XChanged();
245 void relativeControl2YChanged();
246
247private:
248 qreal _control1X = 0;
249 qreal _control1Y = 0;
250 qreal _control2X = 0;
251 qreal _control2Y = 0;
252 QQmlNullableValue<qreal> _relativeControl1X;
253 QQmlNullableValue<qreal> _relativeControl1Y;
254 QQmlNullableValue<qreal> _relativeControl2X;
255 QQmlNullableValue<qreal> _relativeControl2Y;
256};
257
258class Q_QUICK_PRIVATE_EXPORT QQuickPathCatmullRomCurve : public QQuickCurve
259{
260 Q_OBJECT
261 QML_NAMED_ELEMENT(PathCurve)
262 QML_ADDED_IN_VERSION(2, 0)
263public:
264 QQuickPathCatmullRomCurve(QObject *parent=nullptr) : QQuickCurve(parent) {}
265
266 void addToPath(QPainterPath &path, const QQuickPathData &) override;
267};
268
269class Q_QUICK_PRIVATE_EXPORT QQuickPathArc : public QQuickCurve
270{
271 Q_OBJECT
272 Q_PROPERTY(qreal radiusX READ radiusX WRITE setRadiusX NOTIFY radiusXChanged FINAL)
273 Q_PROPERTY(qreal radiusY READ radiusY WRITE setRadiusY NOTIFY radiusYChanged FINAL)
274 Q_PROPERTY(bool useLargeArc READ useLargeArc WRITE setUseLargeArc NOTIFY useLargeArcChanged FINAL)
275 Q_PROPERTY(ArcDirection direction READ direction WRITE setDirection NOTIFY directionChanged FINAL)
276 Q_PROPERTY(qreal xAxisRotation READ xAxisRotation WRITE setXAxisRotation NOTIFY xAxisRotationChanged REVISION(2, 9) FINAL)
277 QML_NAMED_ELEMENT(PathArc)
278 QML_ADDED_IN_VERSION(2, 0)
279
280public:
281 QQuickPathArc(QObject *parent=nullptr)
282 : QQuickCurve(parent) {}
283
284 enum ArcDirection { Clockwise, Counterclockwise };
285 Q_ENUM(ArcDirection)
286
287 qreal radiusX() const;
288 void setRadiusX(qreal);
289
290 qreal radiusY() const;
291 void setRadiusY(qreal);
292
293 bool useLargeArc() const;
294 void setUseLargeArc(bool);
295
296 ArcDirection direction() const;
297 void setDirection(ArcDirection direction);
298
299 qreal xAxisRotation() const;
300 void setXAxisRotation(qreal rotation);
301
302 void addToPath(QPainterPath &path, const QQuickPathData &) override;
303
304Q_SIGNALS:
305 void radiusXChanged();
306 void radiusYChanged();
307 void useLargeArcChanged();
308 void directionChanged();
309 Q_REVISION(2, 9) void xAxisRotationChanged();
310
311private:
312 qreal _radiusX = 0;
313 qreal _radiusY = 0;
314 bool _useLargeArc = false;
315 ArcDirection _direction = Clockwise;
316 qreal _xAxisRotation = 0;
317};
318
319class Q_QUICK_PRIVATE_EXPORT QQuickPathAngleArc : public QQuickCurve
320{
321 Q_OBJECT
322 Q_PROPERTY(qreal centerX READ centerX WRITE setCenterX NOTIFY centerXChanged FINAL)
323 Q_PROPERTY(qreal centerY READ centerY WRITE setCenterY NOTIFY centerYChanged FINAL)
324 Q_PROPERTY(qreal radiusX READ radiusX WRITE setRadiusX NOTIFY radiusXChanged FINAL)
325 Q_PROPERTY(qreal radiusY READ radiusY WRITE setRadiusY NOTIFY radiusYChanged FINAL)
326 Q_PROPERTY(qreal startAngle READ startAngle WRITE setStartAngle NOTIFY startAngleChanged FINAL)
327 Q_PROPERTY(qreal sweepAngle READ sweepAngle WRITE setSweepAngle NOTIFY sweepAngleChanged FINAL)
328 Q_PROPERTY(bool moveToStart READ moveToStart WRITE setMoveToStart NOTIFY moveToStartChanged FINAL)
329
330 QML_NAMED_ELEMENT(PathAngleArc)
331 QML_ADDED_IN_VERSION(2, 11)
332
333public:
334 QQuickPathAngleArc(QObject *parent=nullptr)
335 : QQuickCurve(parent) {}
336
337 qreal centerX() const;
338 void setCenterX(qreal);
339
340 qreal centerY() const;
341 void setCenterY(qreal);
342
343 qreal radiusX() const;
344 void setRadiusX(qreal);
345
346 qreal radiusY() const;
347 void setRadiusY(qreal);
348
349 qreal startAngle() const;
350 void setStartAngle(qreal);
351
352 qreal sweepAngle() const;
353 void setSweepAngle(qreal);
354
355 bool moveToStart() const;
356 void setMoveToStart(bool);
357
358 void addToPath(QPainterPath &path, const QQuickPathData &) override;
359
360Q_SIGNALS:
361 void centerXChanged();
362 void centerYChanged();
363 void radiusXChanged();
364 void radiusYChanged();
365 void startAngleChanged();
366 void sweepAngleChanged();
367 void moveToStartChanged();
368
369private:
370 qreal _centerX = 0;
371 qreal _centerY = 0;
372 qreal _radiusX = 0;
373 qreal _radiusY = 0;
374 qreal _startAngle = 0;
375 qreal _sweepAngle = 0;
376 bool _moveToStart = true;
377};
378
379class Q_QUICK_PRIVATE_EXPORT QQuickPathSvg : public QQuickCurve
380{
381 Q_OBJECT
382 Q_PROPERTY(QString path READ path WRITE setPath NOTIFY pathChanged FINAL)
383 QML_NAMED_ELEMENT(PathSvg)
384 QML_ADDED_IN_VERSION(2, 0)
385public:
386 QQuickPathSvg(QObject *parent=nullptr) : QQuickCurve(parent) {}
387
388 QString path() const;
389 void setPath(const QString &path);
390
391 void addToPath(QPainterPath &path, const QQuickPathData &) override;
392
393Q_SIGNALS:
394 void pathChanged();
395
396private:
397 QString _path;
398};
399
400class Q_QUICK_PRIVATE_EXPORT QQuickPathPercent : public QQuickPathElement
401{
402 Q_OBJECT
403 Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY valueChanged FINAL)
404 QML_NAMED_ELEMENT(PathPercent)
405 QML_ADDED_IN_VERSION(2, 0)
406public:
407 QQuickPathPercent(QObject *parent=nullptr) : QQuickPathElement(parent) {}
408
409 qreal value() const;
410 void setValue(qreal value);
411
412Q_SIGNALS:
413 void valueChanged();
414
415private:
416 qreal _value = 0;
417};
418
419class Q_QUICK_PRIVATE_EXPORT QQuickPathPolyline : public QQuickCurve
420{
421 Q_OBJECT
422 Q_PROPERTY(QPointF start READ start NOTIFY startChanged FINAL)
423 Q_PROPERTY(QVariant path READ path WRITE setPath NOTIFY pathChanged FINAL)
424 QML_NAMED_ELEMENT(PathPolyline)
425 QML_ADDED_IN_VERSION(2, 14)
426public:
427 QQuickPathPolyline(QObject *parent=nullptr);
428
429 QVariant path() const;
430 void setPath(const QVariant &path);
431 void setPath(const QVector<QPointF> &path);
432 QPointF start() const;
433 void addToPath(QPainterPath &path, const QQuickPathData &data) override;
434
435Q_SIGNALS:
436 void pathChanged();
437 void startChanged();
438
439private:
440 QVector<QPointF> m_path;
441};
442
443class Q_QUICK_PRIVATE_EXPORT QQuickPathMultiline : public QQuickCurve
444{
445 Q_OBJECT
446 Q_PROPERTY(QPointF start READ start NOTIFY startChanged FINAL)
447 Q_PROPERTY(QVariant paths READ paths WRITE setPaths NOTIFY pathsChanged FINAL)
448 QML_NAMED_ELEMENT(PathMultiline)
449 QML_ADDED_IN_VERSION(2, 14)
450public:
451 QQuickPathMultiline(QObject *parent=nullptr);
452
453 QVariant paths() const;
454 void setPaths(const QVariant &paths);
455 void setPaths(const QVector<QVector<QPointF>> &paths);
456 QPointF start() const;
457 void addToPath(QPainterPath &path, const QQuickPathData &) override;
458
459Q_SIGNALS:
460 void pathsChanged();
461 void startChanged();
462
463private:
464 QPointF absolute(const QPointF &relative) const;
465
466 QVector<QVector<QPointF>> m_paths;
467};
468
469struct QQuickCachedBezier
470{
471 QQuickCachedBezier() {}
472 QBezier bezier;
473 int element;
474 qreal bezLength;
475 qreal currLength;
476 qreal p;
477 bool isValid = false;
478};
479
480class QQuickPathPrivate;
481class Q_QUICK_PRIVATE_EXPORT QQuickPath : public QObject, public QQmlParserStatus
482{
483 Q_OBJECT
484
485 Q_INTERFACES(QQmlParserStatus)
486 Q_PROPERTY(QQmlListProperty<QQuickPathElement> pathElements READ pathElements FINAL)
487 Q_PROPERTY(qreal startX READ startX WRITE setStartX NOTIFY startXChanged FINAL)
488 Q_PROPERTY(qreal startY READ startY WRITE setStartY NOTIFY startYChanged FINAL)
489 Q_PROPERTY(bool closed READ isClosed NOTIFY changed FINAL)
490 Q_PROPERTY(bool simplified READ simplified WRITE setSimplified NOTIFY simplifiedChanged REVISION(6, 6) FINAL)
491 Q_PROPERTY(QSizeF scale READ scale WRITE setScale NOTIFY scaleChanged REVISION(2, 14))
492 Q_CLASSINFO("DefaultProperty", "pathElements")
493 QML_NAMED_ELEMENT(Path)
494 QML_ADDED_IN_VERSION(2, 0)
495public:
496 QQuickPath(QObject *parent=nullptr);
497 ~QQuickPath() override;
498
499 QQmlListProperty<QQuickPathElement> pathElements();
500
501 qreal startX() const;
502 void setStartX(qreal x);
503 bool hasStartX() const;
504
505 qreal startY() const;
506 void setStartY(qreal y);
507 bool hasStartY() const;
508
509 bool isClosed() const;
510
511 QPainterPath path() const;
512 QStringList attributes() const;
513 qreal attributeAt(const QString &, qreal) const;
514 Q_REVISION(2, 14) Q_INVOKABLE QPointF pointAtPercent(qreal t) const;
515 QPointF sequentialPointAt(qreal p, qreal *angle = nullptr) const;
516 void invalidateSequentialHistory() const;
517
518 QSizeF scale() const;
519 void setScale(const QSizeF &scale);
520
521 bool simplified() const;
522 void setSimplified(bool simplified);
523
524Q_SIGNALS:
525 void changed();
526 void startXChanged();
527 void startYChanged();
528 Q_REVISION(6, 6) void simplifiedChanged();
529 Q_REVISION(2, 14) void scaleChanged();
530
531protected:
532 QQuickPath(QQuickPathPrivate &dd, QObject *parent = nullptr);
533 void componentComplete() override;
534 void classBegin() override;
535 void disconnectPathElements();
536 void connectPathElements();
537 void gatherAttributes();
538
539 // pathElements property
540 static QQuickPathElement *pathElements_at(QQmlListProperty<QQuickPathElement> *, qsizetype);
541 static void pathElements_append(QQmlListProperty<QQuickPathElement> *, QQuickPathElement *);
542 static qsizetype pathElements_count(QQmlListProperty<QQuickPathElement> *);
543 static void pathElements_clear(QQmlListProperty<QQuickPathElement> *);
544
545private Q_SLOTS:
546 void processPath();
547
548private:
549 struct AttributePoint {
550 AttributePoint() {}
551 AttributePoint(const AttributePoint &other)
552 : percent(other.percent), scale(other.scale), origpercent(other.origpercent), values(other.values) {}
553 AttributePoint &operator=(const AttributePoint &other) {
554 percent = other.percent; scale = other.scale; origpercent = other.origpercent; values = other.values; return *this;
555 }
556 qreal percent = 0; //massaged percent along the painter path
557 qreal scale = 1;
558 qreal origpercent = 0; //'real' percent along the painter path
559 QHash<QString, qreal> values;
560 };
561
562 void interpolate(int idx, const QString &name, qreal value);
563 void endpoint(const QString &name);
564 void createPointCache() const;
565
566 static void interpolate(QList<AttributePoint> &points, int idx, const QString &name, qreal value);
567 static void endpoint(QList<AttributePoint> &attributePoints, const QString &name);
568 static QPointF forwardsPointAt(const QPainterPath &path, const qreal &pathLength, const QList<AttributePoint> &attributePoints, QQuickCachedBezier &prevBez, qreal p, qreal *angle = nullptr);
569 static QPointF backwardsPointAt(const QPainterPath &path, const qreal &pathLength, const QList<AttributePoint> &attributePoints, QQuickCachedBezier &prevBez, qreal p, qreal *angle = nullptr);
570
571private:
572 Q_DISABLE_COPY(QQuickPath)
573 Q_DECLARE_PRIVATE(QQuickPath)
574 friend class QQuickPathAnimationUpdater;
575
576public:
577 QPainterPath createPath(const QPointF &startPoint, const QPointF &endPoint, const QStringList &attributes, qreal &pathLength, QList<AttributePoint> &attributePoints, bool *closed = nullptr);
578 QPainterPath createShapePath(const QPointF &startPoint, const QPointF &endPoint, qreal &pathLength, bool *closed = nullptr);
579 static QPointF sequentialPointAt(const QPainterPath &path, const qreal &pathLength, const QList<AttributePoint> &attributePoints, QQuickCachedBezier &prevBez, qreal p, qreal *angle = nullptr);
580};
581
582class Q_QUICK_PRIVATE_EXPORT QQuickPathText : public QQuickPathElement
583{
584 Q_OBJECT
585 Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged FINAL)
586 Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged FINAL)
587 Q_PROPERTY(qreal width READ width NOTIFY changed FINAL)
588 Q_PROPERTY(qreal height READ height NOTIFY changed FINAL)
589 Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged FINAL)
590 Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged FINAL)
591 QML_NAMED_ELEMENT(PathText)
592 QML_ADDED_IN_VERSION(2, 15)
593public:
594 QQuickPathText(QObject *parent=nullptr) : QQuickPathElement(parent)
595 {
596 connect(this, &QQuickPathText::xChanged, this, &QQuickPathElement::changed);
597 connect(this, &QQuickPathText::yChanged, this, &QQuickPathElement::changed);
598 connect(this, &QQuickPathText::textChanged, this, &QQuickPathElement::changed);
599 connect(this, &QQuickPathText::fontChanged, this, &QQuickPathElement::changed);
600
601 connect(this, &QQuickPathElement::changed, this, &QQuickPathText::invalidate);
602 }
603
604 void addToPath(QPainterPath &path);
605
606 qreal x() const { return _x; }
607 qreal y() const { return _y; }
608 QString text() const { return _text; }
609 QFont font() const { return _font; }
610
611 void setX(qreal x)
612 {
613 if (qFuzzyCompare(_x, x))
614 return;
615
616 _x = x;
617 Q_EMIT xChanged();
618 }
619
620 void setY(qreal y)
621 {
622 if (qFuzzyCompare(_y, y))
623 return;
624
625 _y = y;
626 Q_EMIT yChanged();
627 }
628
629 void setText(const QString &text)
630 {
631 if (text == _text)
632 return;
633
634 _text = text;
635 Q_EMIT textChanged();
636 }
637
638 void setFont(const QFont &font)
639 {
640 if (font == _font)
641 return;
642
643 _font = font;
644 Q_EMIT fontChanged();
645 }
646
647 qreal width() const
648 {
649 updatePath();
650 return _path.boundingRect().width();
651 }
652
653 qreal height() const
654 {
655 updatePath();
656 return _path.boundingRect().height();
657 }
658
659Q_SIGNALS:
660 void xChanged();
661 void yChanged();
662 void textChanged();
663 void fontChanged();
664
665private Q_SLOTS:
666 void invalidate()
667 {
668 _path.clear();
669 }
670
671private:
672 void updatePath() const;
673
674 QString _text;
675 qreal _x = qreal(0.0);
676 qreal _y = qreal(0.0);
677 QFont _font;
678
679 mutable QPainterPath _path;
680};
681
682QT_END_NAMESPACE
683
684QML_DECLARE_TYPE(QQuickPathElement)
685QML_DECLARE_TYPE(QQuickPathAttribute)
686QML_DECLARE_TYPE(QQuickCurve)
687QML_DECLARE_TYPE(QQuickPathLine)
688QML_DECLARE_TYPE(QQuickPathMove)
689QML_DECLARE_TYPE(QQuickPathQuad)
690QML_DECLARE_TYPE(QQuickPathCubic)
691QML_DECLARE_TYPE(QQuickPathCatmullRomCurve)
692QML_DECLARE_TYPE(QQuickPathArc)
693QML_DECLARE_TYPE(QQuickPathAngleArc)
694QML_DECLARE_TYPE(QQuickPathSvg)
695QML_DECLARE_TYPE(QQuickPathPercent)
696QML_DECLARE_TYPE(QQuickPathPolyline)
697QML_DECLARE_TYPE(QQuickPath)
698QML_DECLARE_TYPE(QQuickPathText)
699
700#endif // QQUICKPATH_H
QFont
\reentrant
Definition qfont.h:20
QHash
\inmodule QtCore
Definition qhash.h:818
QList
Definition qlist.h:74
QObject
\inmodule QtCore
Definition qobject.h:90
QObject::connect
static QMetaObject::Connection connect(const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
\threadsafe
Definition qobject.cpp:2823
QPainterPath
\inmodule QtGui
Definition qpainterpath.h:29
QPointF
\inmodule QtCore\reentrant
Definition qpoint.h:214
QQmlListProperty
The QQmlListProperty class allows applications to expose list-like properties of QObject-derived clas...
Definition qqmllist.h:24
QQmlParserStatus
The QQmlParserStatus class provides updates on the QML parser state.
Definition qqmlparserstatus.h:14
QQuickCurve::relativeXChanged
void relativeXChanged()
QQuickCurve::addToPath
virtual void addToPath(QPainterPath &, const QQuickPathData &)
Definition qquickpath_p.h:110
QQuickCurve::xChanged
void xChanged()
QQuickCurve::yChanged
void yChanged()
QQuickCurve::QQuickCurve
QQuickCurve(QObject *parent=nullptr)
Definition qquickpath_p.h:92
QQuickCurve::relativeYChanged
void relativeYChanged()
QQuickPathAngleArc::QQuickPathAngleArc
QQuickPathAngleArc(QObject *parent=nullptr)
Definition qquickpath_p.h:334
QQuickPathArc::directionChanged
void directionChanged()
QQuickPathArc::radiusXChanged
void radiusXChanged()
QQuickPathArc::radiusYChanged
void radiusYChanged()
QQuickPathArc::QQuickPathArc
QQuickPathArc(QObject *parent=nullptr)
Definition qquickpath_p.h:281
QQuickPathArc::useLargeArcChanged
void useLargeArcChanged()
QQuickPathArc::Q_REVISION
Q_REVISION(2, 9) void xAxisRotationChanged()
QQuickPathAttribute::QQuickPathAttribute
QQuickPathAttribute(QObject *parent=nullptr)
Definition qquickpath_p.h:63
QQuickPathCatmullRomCurve::QQuickPathCatmullRomCurve
QQuickPathCatmullRomCurve(QObject *parent=nullptr)
Definition qquickpath_p.h:264
QQuickPathCubic::control1YChanged
void control1YChanged()
QQuickPathCubic::relativeControl1XChanged
void relativeControl1XChanged()
QQuickPathCubic::control2XChanged
void control2XChanged()
QQuickPathCubic::QQuickPathCubic
QQuickPathCubic(QObject *parent=nullptr)
Definition qquickpath_p.h:205
QQuickPathCubic::control2YChanged
void control2YChanged()
QQuickPathCubic::control1XChanged
void control1XChanged()
QQuickPathCubic::relativeControl2YChanged
void relativeControl2YChanged()
QQuickPathCubic::relativeControl1YChanged
void relativeControl1YChanged()
QQuickPathCubic::relativeControl2XChanged
void relativeControl2XChanged()
QQuickPathElement::QQuickPathElement
QQuickPathElement(QObject *parent=nullptr)
Definition qquickpath_p.h:49
QQuickPathLine::QQuickPathLine
QQuickPathLine(QObject *parent=nullptr)
Definition qquickpath_p.h:131
QQuickPathMove::QQuickPathMove
QQuickPathMove(QObject *parent=nullptr)
Definition qquickpath_p.h:142
QQuickPathPercent::QQuickPathPercent
QQuickPathPercent(QObject *parent=nullptr)
Definition qquickpath_p.h:407
QQuickPathQuad::controlXChanged
void controlXChanged()
QQuickPathQuad::QQuickPathQuad
QQuickPathQuad(QObject *parent=nullptr)
Definition qquickpath_p.h:159
QQuickPathQuad::relativeControlYChanged
void relativeControlYChanged()
QQuickPathQuad::controlYChanged
void controlYChanged()
QQuickPathQuad::relativeControlXChanged
void relativeControlXChanged()
QQuickPathSvg::QQuickPathSvg
QQuickPathSvg(QObject *parent=nullptr)
Definition qquickpath_p.h:386
QQuickPathSvg::pathChanged
void pathChanged()
QQuickPathText::y
qreal y() const
Definition qquickpath_p.h:607
QQuickPathText::font
QFont font() const
Definition qquickpath_p.h:609
QQuickPathText::textChanged
void textChanged()
QQuickPathText::width
qreal width() const
Definition qquickpath_p.h:647
QQuickPathText::height
qreal height() const
Definition qquickpath_p.h:653
QQuickPathText::setText
void setText(const QString &text)
Definition qquickpath_p.h:629
QQuickPathText::setFont
void setFont(const QFont &font)
Definition qquickpath_p.h:638
QQuickPathText::QQuickPathText
QQuickPathText(QObject *parent=nullptr)
Definition qquickpath_p.h:594
QQuickPathText::text
QString text() const
Definition qquickpath_p.h:608
QQuickPathText::fontChanged
void fontChanged()
QQuickPathText::setY
void setY(qreal y)
Definition qquickpath_p.h:620
QQuickPathText::setX
void setX(qreal x)
Definition qquickpath_p.h:611
QQuickPathText::x
qreal x() const
Definition qquickpath_p.h:606
QSizeF
\inmodule QtCore
Definition qsize.h:207
QStringList
\inmodule QtCore
QString
\macro QT_RESTRICTED_CAST_FROM_ASCII
Definition qstring.h:127
QVariant
\inmodule QtCore
Definition qvariant.h:64
text
QString text
Definition doc_src_properties.cpp:102
textChanged
void textChanged(const QString &newText)
setName
employee setName("Richard Schmit")
direction
direction
Definition doc_src_styles.cpp:42
QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition qstandardpaths_haiku.cpp:21
QT_END_NAMESPACE
Definition qsharedpointer.cpp:1545
void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:401
value
EGLOutputLayerEXT EGLint EGLAttrib value
[5]
Definition qeglstreamconvenience_p.h:46
qFuzzyCompare
bool qFuzzyCompare(qfloat16 p1, qfloat16 p2) noexcept
Definition qfloat16.h:287
interpolate
static qreal interpolate(const QPair< QGraphicsAnchorLayoutPrivate::Interval, qreal > &factor, qreal min, qreal minPref, qreal pref, qreal maxPref, qreal max)
Definition qgraphicsanchorlayout_p.cpp:417
values
GLenum GLsizei GLsizei GLint * values
[15]
Definition qopengles2ext.h:1032
x
GLint GLint GLint GLint GLint x
[0]
Definition qopengles2ext.h:605
height
GLint GLsizei GLsizei height
Definition qopengles2ext.h:206
width
GLint GLsizei width
Definition qopengles2ext.h:206
paths
GLsizei const GLuint * paths
Definition qopengles2ext.h:3171
angle
GLfloat angle
Definition qopengles2ext.h:3231
data
GLint GLsizei GLsizei GLenum GLenum GLsizei void * data
Definition qopengles2ext.h:206
start
GLuint start
Definition qopengles2ext.h:354
name
GLuint name
Definition qopengles2ext.h:156
y
GLint y
Definition qopengles2ext.h:206
points
GLfixed GLfixed GLint GLint GLfixed points
Definition qopenglext.h:5206
t
GLdouble GLdouble t
Definition qopenglext.h:243
path
GLsizei const GLchar *const * path
Definition qopenglext.h:4283
p
GLfloat GLfloat p
[1]
Definition qopenglext.h:12698
scale
GLenum GLenum GLenum GLenum GLenum scale
Definition qopenglext.h:10817
QML_DECLARE_TYPE
#define QML_DECLARE_TYPE(TYPE)
Definition qqml.h:19
QML_ANONYMOUS
#define QML_ANONYMOUS
Definition qqmlintegration.h:44
QML_NAMED_ELEMENT
#define QML_NAMED_ELEMENT(NAME)
Definition qqmlintegration.h:52
QML_ADDED_IN_VERSION
#define QML_ADDED_IN_VERSION(MAJOR, MINOR)
Definition qqmlintegration.h:86
QSSGRenderWinding::Clockwise
@ Clockwise
QT_REQUIRE_CONFIG
#define QT_REQUIRE_CONFIG(feature)
Definition qtconfigmacros.h:66
Q_ENUM
#define Q_ENUM(x)
Definition qtmetamacros.h:68
Q_PROPERTY
#define Q_PROPERTY(...)
Definition qtmetamacros.h:56
Q_OBJECT
#define Q_OBJECT
Definition qtmetamacros.h:117
Q_REVISION
#define Q_REVISION(...)
Definition qtmetamacros.h:59
Q_CLASSINFO
#define Q_CLASSINFO(name, value)
Definition qtmetamacros.h:52
Q_EMIT
#define Q_EMIT
Definition qtmetamacros.h:47
Q_INVOKABLE
#define Q_INVOKABLE
Definition qtmetamacros.h:76
Q_INTERFACES
#define Q_INTERFACES(x)
Definition qtmetamacros.h:55
Q_SLOTS
#define Q_SLOTS
Definition qtmetamacros.h:44
Q_SIGNALS
#define Q_SIGNALS
Definition qtmetamacros.h:45
qsizetype
ptrdiff_t qsizetype
Definition qtypes.h:70
qreal
double qreal
Definition qtypes.h:92
setValue
settings setValue("DataPump/bgcolor", color)
false
return false
Definition src_corelib_thread_qatomic.cpp:23
setX
p setX(p.x()+1)
other
QSharedPointer< T > other(t)
[5]
font
QFont font
Definition src_gui_dialogs_qfontdialog.cpp:6
setText
insertRed setText("insert red text")
QQuickPathData::curves
QList< QQuickCurve * > curves
Definition qquickpath_p.h:40
parent
IUIAutomationTreeWalker __RPC__deref_out_opt IUIAutomationElement ** parent
Definition uiaclientinterfaces_p.h:209