OpenCoverage

qstroker.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/gui/painting/qstroker.cpp
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1-
2-
3-
4-
5-
6class QSubpathForwardIterator-
7{-
8public:-
9 QSubpathForwardIterator(const QDataBuffer<QStrokerOps::Element> *path)-
10 : m_path(path), m_pos(0) { }
never executed: end of block
0
11 inline int position() const { return
never executed: return m_pos;
 m_pos;
never executed: return m_pos;
 }		0
12 inline bool hasNext() const { return
never executed: return m_pos < m_path->size();
 m_pos < m_path->size();
never executed: return m_pos < m_path->size();
 }		0
13 inline QStrokerOps::Element next() { ((!(hasNext())) ? qt_assert("hasNext()",__FILE__,57) : qt_noop()); return
never executed: return m_path->at(m_pos++);
 m_path->at(m_pos++);
never executed: return m_path->at(m_pos++);
 }		0
14-
15private:-
16 const QDataBuffer<QStrokerOps::Element> *m_path;-
17 int m_pos;-
18};-
19-
20class QSubpathBackwardIterator-
21{-
22public:-
23 QSubpathBackwardIterator(const QDataBuffer<QStrokerOps::Element> *path)-
24 : m_path(path), m_pos(path->size() - 1) { }
never executed: end of block
0
25-
26 inline int position() const { return
never executed: return m_pos;
 m_pos;
never executed: return m_pos;
 }		0
27-
28 inline bool hasNext() const { return
never executed: return m_pos >= 0;
 m_pos >= 0;
never executed: return m_pos >= 0;
 }		0
29-
30 inline QStrokerOps::Element next()-
31 {-
32 ((!(hasNext())) ? qt_assert("hasNext()",__FILE__,76) : qt_noop());-
33-
34 QStrokerOps::Element ce = m_path->at(m_pos);-
35-
36 if (m_pos == m_path->size() - 1
m_pos == m_path->size() - 1Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
37 --m_pos;-
38 ce.type = QPainterPath::MoveToElement;-
39 return
never executed: return ce;
 ce;
never executed: return ce;
0
40 }-
41-
42 const QStrokerOps::Element &pe = m_path->at(m_pos + 1);-
43-
44 switch (pe.type) {-
45 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
46 ce.type = QPainterPath::LineToElement;-
47 break;
never executed: break;
0
48 case
never executed: case QPainterPath::CurveToDataElement:
 QPainterPath::CurveToDataElement:
never executed: case QPainterPath::CurveToDataElement:
0
49-
50 if (ce.type == QPainterPath::CurveToElement
ce.type == QPa...CurveToElementDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
51 ce.type = QPainterPath::CurveToDataElement;-
52 }
never executed: end of block
 else {		0
53 ce.type = QPainterPath::CurveToElement;-
54 }
never executed: end of block
0
55 break;
never executed: break;
0
56 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
57 ce.type = QPainterPath::CurveToDataElement;-
58 break;
never executed: break;
0
59 default
never executed: default:
:
never executed: default:
0
60 QMessageLogger(__FILE__, 104, __PRETTY_FUNCTION__).warning("QSubpathReverseIterator::next: Case %d unhandled", ce.type);-
61 break;
never executed: break;
0
62 }-
63 --m_pos;-
64-
65 return
never executed: return ce;
 ce;
never executed: return ce;
0
66 }-
67-
68private:-
69 const QDataBuffer<QStrokerOps::Element> *m_path;-
70 int m_pos;-
71};-
72-
73class QSubpathFlatIterator-
74{-
75public:-
76 QSubpathFlatIterator(const QDataBuffer<QStrokerOps::Element> *path, qreal threshold)-
77 : m_path(path), m_pos(0), m_curve_index(-1), m_curve_threshold(threshold) { }
never executed: end of block
0
78-
79 inline bool hasNext() const { return
never executed: return m_curve_index >= 0 || m_pos < m_path->size();
 m_curve_index >= 0 || m_pos < m_path->size();
never executed: return m_curve_index >= 0 || m_pos < m_path->size();
 }		0
80-
81 QStrokerOps::Element next()-
82 {-
83 ((!(hasNext())) ? qt_assert("hasNext()",__FILE__,127) : qt_noop());-
84-
85 if (m_curve_index >= 0
m_curve_index >= 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
86 QStrokerOps::Element e = { QPainterPath::LineToElement,-
87 qfixed(m_curve.at(m_curve_index).x()),-
88 qfixed(m_curve.at(m_curve_index).y())-
89 };-
90 ++m_curve_index;-
91 if (m_curve_index >= m_curve.size()
m_curve_index ...m_curve.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
92 m_curve_index = -1;
never executed: m_curve_index = -1;
0
93 return
never executed: return e;
 e;
never executed: return e;
0
94 }-
95-
96 QStrokerOps::Element e = m_path->at(m_pos);-
97 if (e.isCurveTo()
e.isCurveTo()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
98 ((!(m_pos > 0)) ? qt_assert("m_pos > 0",__FILE__,142) : qt_noop());-
99 ((!(m_pos < m_path->size())) ? qt_assert("m_pos < m_path->size()",__FILE__,143) : qt_noop());-
100-
101 m_curve = QBezier::fromPoints(QPointF(m_path->at(m_pos-1).x,-
102 m_path->at(m_pos-1).y),-
103 QPointF(e.x,-
104 e.y),-
105 QPointF(m_path->at(m_pos+1).x,-
106 m_path->at(m_pos+1).y),-
107 QPointF(m_path->at(m_pos+2).x,-
108 m_path->at(m_pos+2).y)).toPolygon(m_curve_threshold);-
109 m_curve_index = 1;-
110 e.type = QPainterPath::LineToElement;-
111 e.x = m_curve.at(0).x();-
112 e.y = m_curve.at(0).y();-
113 m_pos += 2;-
114 }
never executed: end of block
0
115 ((!(e.isLineTo() || e.isMoveTo())) ? qt_assert("e.isLineTo() || e.isMoveTo()",__FILE__,159) : qt_noop());-
116 ++m_pos;-
117 return
never executed: return e;
 e;
never executed: return e;
0
118 }-
119-
120private:-
121 const QDataBuffer<QStrokerOps::Element> *m_path;-
122 int m_pos;-
123 QPolygonF m_curve;-
124 int m_curve_index;-
125 qreal m_curve_threshold;-
126};-
127-
128template <class Iterator> bool qt_stroke_side(Iterator *it, QStroker *stroker,-
129 bool capFirst, QLineF *startTangent);-
130-
131-
132-
133-
134-
135static inline qreal adapted_angle_on_x(const QLineF &line)-
136{-
137 qreal angle = line.angle(QLineF(0, 0, 1, 0));-
138 if (line.dy() > 0
line.dy() > 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
139 angle = 360 - angle;
never executed: angle = 360 - angle;
0
140 return
never executed: return angle;
 angle;
never executed: return angle;
0
141}-
142-
143QStrokerOps::QStrokerOps()-
144 : m_elements(0)-
145 , m_curveThreshold(qfixed(0.25))-
146 , m_dashThreshold(qfixed(0.25))-
147 , m_customData(0)-
148 , m_moveTo(0)-
149 , m_lineTo(0)-
150 , m_cubicTo(0)-
151{-
152}
never executed: end of block
0
153-
154QStrokerOps::~QStrokerOps()-
155{-
156}-
157void QStrokerOps::begin(void *customData)-
158{-
159 m_customData = customData;-
160 m_elements.reset();-
161}
never executed: end of block
0
162-
163-
164-
165-
166-
167-
168void QStrokerOps::end()-
169{-
170 if (m_elements.size() > 1
m_elements.size() > 1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
171 processCurrentSubpath();
never executed: processCurrentSubpath();
0
172 m_customData = 0;-
173}
never executed: end of block
0
174void QStrokerOps::strokePath(const QPainterPath &path, void *customData, const QTransform &matrix)-
175{-
176 if (path.isEmpty()
path.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
177 return;
never executed: return;
0
178-
179 setCurveThresholdFromTransform(QTransform());-
180 begin(customData);-
181 int count = path.elementCount();-
182 if (matrix.isIdentity()
matrix.isIdentity()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
183 for (int i=0; i<count
i<countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
184 const QPainterPath::Element &e = path.elementAt(i);-
185 switch (e.type) {-
186 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
187 moveTo(qfixed(e.x), qfixed(e.y));-
188 break;
never executed: break;
0
189 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
190 lineTo(qfixed(e.x), qfixed(e.y));-
191 break;
never executed: break;
0
192 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
193 {-
194 const QPainterPath::Element &cp2 = path.elementAt(++i);-
195 const QPainterPath::Element &ep = path.elementAt(++i);-
196 cubicTo(qfixed(e.x), qfixed(e.y),-
197 qfixed(cp2.x), qfixed(cp2.y),-
198 qfixed(ep.x), qfixed(ep.y));-
199 }-
200 break;
never executed: break;
0
201 default
never executed: default:
:
never executed: default:
0
202 break;
never executed: break;
0
203 }-
204 }-
205 }
never executed: end of block
 else {		0
206 for (int i=0; i<count
i<countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
207 const QPainterPath::Element &e = path.elementAt(i);-
208 QPointF pt = QPointF(e.x, e.y) * matrix;-
209 switch (e.type) {-
210 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
211 moveTo(qfixed(pt.x()), qfixed(pt.y()));-
212 break;
never executed: break;
0
213 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
214 lineTo(qfixed(pt.x()), qfixed(pt.y()));-
215 break;
never executed: break;
0
216 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
217 {-
218 QPointF cp2 = ((QPointF) path.elementAt(++i)) * matrix;-
219 QPointF ep = ((QPointF) path.elementAt(++i)) * matrix;-
220 cubicTo(qfixed(pt.x()), qfixed(pt.y()),-
221 qfixed(cp2.x()), qfixed(cp2.y()),-
222 qfixed(ep.x()), qfixed(ep.y()));-
223 }-
224 break;
never executed: break;
0
225 default
never executed: default:
:
never executed: default:
0
226 break;
never executed: break;
0
227 }-
228 }-
229 }
never executed: end of block
0
230 end();-
231}
never executed: end of block
0
232void QStrokerOps::strokePolygon(const QPointF *points, int pointCount, bool implicit_close,-
233 void *data, const QTransform &matrix)-
234{-
235 if (!pointCount
!pointCountDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
236 return;
never executed: return;
0
237-
238 setCurveThresholdFromTransform(QTransform());-
239 begin(data);-
240 if (matrix.isIdentity()
matrix.isIdentity()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
241 moveTo(qfixed(points[0].x()), qfixed(points[0].y()));-
242 for (int i=1; i<pointCount
i<pointCountDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
243 lineTo(qfixed(points[i].x()),
never executed: lineTo(qfixed(points[i].x()), qfixed(points[i].y()));
0
244 qfixed(points[i].y()));
never executed: lineTo(qfixed(points[i].x()), qfixed(points[i].y()));
0
245 if (implicit_close
implicit_closeDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
246 lineTo(qfixed(points[0].x()), qfixed(points[0].y()));
never executed: lineTo(qfixed(points[0].x()), qfixed(points[0].y()));
0
247 }
never executed: end of block
 else {		0
248 QPointF start = points[0] * matrix;-
249 moveTo(qfixed(start.x()), qfixed(start.y()));-
250 for (int i=1; i<pointCount
i<pointCountDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
251 QPointF pt = points[i] * matrix;-
252 lineTo(qfixed(pt.x()), qfixed(pt.y()));-
253 }
never executed: end of block
0
254 if (implicit_close
implicit_closeDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
255 lineTo(qfixed(start.x()), qfixed(start.y()));
never executed: lineTo(qfixed(start.x()), qfixed(start.y()));
0
256 }
never executed: end of block
0
257 end();-
258}
never executed: end of block
0
259-
260-
261-
262-
263-
264-
265void QStrokerOps::strokeEllipse(const QRectF &rect, void *data, const QTransform &matrix)-
266{-
267 int count = 0;-
268 QPointF pts[12];-
269 QPointF start = qt_curves_for_arc(rect, 0, -360, pts, &count);-
270 ((!(count == 12)) ? qt_assert("count == 12",__FILE__,348) : qt_noop());-
271-
272 if (!matrix.isIdentity()
!matrix.isIdentity()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
273 start = start * matrix;-
274 for (int i=0; i<12
i<12Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
275 pts[i] = pts[i] * matrix;-
276 }
never executed: end of block
0
277 }
never executed: end of block
0
278-
279 setCurveThresholdFromTransform(QTransform());-
280 begin(data);-
281 moveTo(qfixed(start.x()), qfixed(start.y()));-
282 for (int i=0; i<12
i<12Description
TRUEnever evaluated
FALSEnever evaluated
; i+=3) {		0
283 cubicTo(qfixed(pts[i].x()), qfixed(pts[i].y()),-
284 qfixed(pts[i+1].x()), qfixed(pts[i+1].y()),-
285 qfixed(pts[i+2].x()), qfixed(pts[i+2].y()));-
286 }
never executed: end of block
0
287 end();-
288}
never executed: end of block
0
289-
290-
291QStroker::QStroker()-
292 : m_capStyle(SquareJoin), m_joinStyle(FlatJoin),-
293 m_back1X(0), m_back1Y(0),-
294 m_back2X(0), m_back2Y(0)-
295{-
296 m_strokeWidth = qfixed(1);-
297 m_miterLimit = qfixed(2);-
298}
never executed: end of block
0
299-
300QStroker::~QStroker()-
301{-
302}-
303-
304Qt::PenCapStyle QStroker::capForJoinMode(LineJoinMode mode)-
305{-
306 if (mode == FlatJoin
mode == FlatJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return Qt::FlatCap;
 Qt::FlatCap;
never executed: return Qt::FlatCap;
0
307 else if (mode == SquareJoin
mode == SquareJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return Qt::SquareCap;
 Qt::SquareCap;
never executed: return Qt::SquareCap;
0
308 else return
never executed: return Qt::RoundCap;
 Qt::RoundCap;
never executed: return Qt::RoundCap;
0
309}-
310-
311QStroker::LineJoinMode QStroker::joinModeForCap(Qt::PenCapStyle style)-
312{-
313 if (style == Qt::FlatCap
style == Qt::FlatCapDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return FlatJoin;
 FlatJoin;
never executed: return FlatJoin;
0
314 else if (style == Qt::SquareCap
style == Qt::SquareCapDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return SquareJoin;
 SquareJoin;
never executed: return SquareJoin;
0
315 else return
never executed: return RoundCap;
 RoundCap;
never executed: return RoundCap;
0
316}-
317-
318Qt::PenJoinStyle QStroker::joinForJoinMode(LineJoinMode mode)-
319{-
320 if (mode == FlatJoin
mode == FlatJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return Qt::BevelJoin;
 Qt::BevelJoin;
never executed: return Qt::BevelJoin;
0
321 else if (mode == MiterJoin
mode == MiterJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return Qt::MiterJoin;
 Qt::MiterJoin;
never executed: return Qt::MiterJoin;
0
322 else if (mode == SvgMiterJoin
mode == SvgMiterJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return Qt::SvgMiterJoin;
 Qt::SvgMiterJoin;
never executed: return Qt::SvgMiterJoin;
0
323 else return
never executed: return Qt::RoundJoin;
 Qt::RoundJoin;
never executed: return Qt::RoundJoin;
0
324}-
325-
326QStroker::LineJoinMode QStroker::joinModeForJoin(Qt::PenJoinStyle joinStyle)-
327{-
328 if (joinStyle == Qt::BevelJoin
joinStyle == Qt::BevelJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return FlatJoin;
 FlatJoin;
never executed: return FlatJoin;
0
329 else if (joinStyle == Qt::MiterJoin
joinStyle == Qt::MiterJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return MiterJoin;
 MiterJoin;
never executed: return MiterJoin;
0
330 else if (joinStyle == Qt::SvgMiterJoin
joinStyle == Qt::SvgMiterJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) return
never executed: return SvgMiterJoin;
 SvgMiterJoin;
never executed: return SvgMiterJoin;
0
331 else return
never executed: return RoundJoin;
 RoundJoin;
never executed: return RoundJoin;
0
332}-
333-
334-
335-
336-
337-
338-
339void QStroker::processCurrentSubpath()-
340{-
341 ((!(!m_elements.isEmpty())) ? qt_assert("!m_elements.isEmpty()",__FILE__,419) : qt_noop());-
342 ((!(m_elements.first().type == QPainterPath::MoveToElement)) ? qt_assert("m_elements.first().type == QPainterPath::MoveToElement",__FILE__,420) : qt_noop());-
343 ((!(m_elements.size() > 1)) ? qt_assert("m_elements.size() > 1",__FILE__,421) : qt_noop());-
344-
345 QSubpathForwardIterator fwit(&m_elements);-
346 QSubpathBackwardIterator bwit(&m_elements);-
347-
348 QLineF fwStartTangent, bwStartTangent;-
349-
350 bool fwclosed = qt_stroke_side(&fwit, this, false, &fwStartTangent);-
351 bool bwclosed = qt_stroke_side(&bwit, this, !fwclosed, &bwStartTangent);-
352-
353 if (!bwclosed
!bwclosedDescription
TRUEnever evaluated
FALSEnever evaluated
 && !fwStartTangent.isNull()
!fwStartTangent.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
354 joinPoints(m_elements.at(0).x, m_elements.at(0).y, fwStartTangent, m_capStyle);
never executed: joinPoints(m_elements.at(0).x, m_elements.at(0).y, fwStartTangent, m_capStyle);
0
355}
never executed: end of block
0
356-
357-
358-
359-
360-
361void QStroker::joinPoints(qfixed focal_x, qfixed focal_y, const QLineF &nextLine, LineJoinMode join)-
362{-
363 if (qFuzzyCompare(m_back1X, nextLine.x1())
qFuzzyCompare(...nextLine.x1())Description
TRUEnever evaluated
FALSEnever evaluated
 && qFuzzyCompare(m_back1Y, nextLine.y1())
qFuzzyCompare(...nextLine.y1())Description
TRUEnever evaluated
FALSEnever evaluated
)		0
364 return;
never executed: return;
0
365-
366-
367-
368-
369-
370-
371-
372 if (join == FlatJoin
join == FlatJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
373 QLineF prevLine(m_back2X, m_back2Y,-
374 m_back1X, m_back1Y);-
375 QPointF isect;-
376 QLineF::IntersectType type = prevLine.intersect(nextLine, &isect);-
377 QLineF shortCut(prevLine.p2(), nextLine.p1());-
378 qreal angle = shortCut.angleTo(prevLine);-
379 if (type == QLineF::BoundedIntersection
type == QLineF...edIntersectionDescription
TRUEnever evaluated
FALSEnever evaluated
 || (angle > 90
angle > 90Description
TRUEnever evaluated
FALSEnever evaluated
 && !qFuzzyCompare(angle, (qreal)90)
!qFuzzyCompare...le, (qreal)90)Description
TRUEnever evaluated
FALSEnever evaluated
)) {		0
380 emitLineTo(focal_x, focal_y);-
381 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
382 return;
never executed: return;
0
383 }-
384 emitLineTo(qfixed(nextLine.x1()),-
385 qfixed(nextLine.y1()));-
386-
387 }
never executed: end of block
 else {		0
388 QLineF prevLine(m_back2X, m_back2Y,-
389 m_back1X, m_back1Y);-
390-
391 QPointF isect;-
392 QLineF::IntersectType type = prevLine.intersect(nextLine, &isect);-
393-
394 if (join == MiterJoin
join == MiterJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
395 qreal appliedMiterLimit = m_strokeWidth * m_miterLimit;-
396-
397-
398 QLineF shortCut(prevLine.p2(), nextLine.p1());-
399 qreal angle = shortCut.angleTo(prevLine);-
400 if (type == QLineF::BoundedIntersection
type == QLineF...edIntersectionDescription
TRUEnever evaluated
FALSEnever evaluated
 || (angle > 90
angle > 90Description
TRUEnever evaluated
FALSEnever evaluated
 && !qFuzzyCompare(angle, (qreal)90)
!qFuzzyCompare...le, (qreal)90)Description
TRUEnever evaluated
FALSEnever evaluated
)) {		0
401 emitLineTo(focal_x, focal_y);-
402 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
403 return;
never executed: return;
0
404 }-
405 QLineF miterLine(QPointF(m_back1X,-
406 m_back1Y), isect);-
407 if (type == QLineF::NoIntersection
type == QLineF::NoIntersectionDescription
TRUEnever evaluated
FALSEnever evaluated
 || miterLine.length() > appliedMiterLimit
miterLine.leng...liedMiterLimitDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
408 QLineF l1(prevLine);-
409 l1.setLength(appliedMiterLimit);-
410 l1.translate(prevLine.dx(), prevLine.dy());-
411-
412 QLineF l2(nextLine);-
413 l2.setLength(appliedMiterLimit);-
414 l2.translate(-l2.dx(), -l2.dy());-
415-
416 emitLineTo(qfixed(l1.x2()), qfixed(l1.y2()));-
417 emitLineTo(qfixed(l2.x1()), qfixed(l2.y1()));-
418 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
419 }
never executed: end of block
 else {		0
420 emitLineTo(qfixed(isect.x()), qfixed(isect.y()));-
421 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
422 }
never executed: end of block
0
423-
424 } else if (join == SquareJoin
join == SquareJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
425 qfixed offset = m_strokeWidth / 2;-
426-
427 QLineF l1(prevLine);-
428 l1.translate(l1.dx(), l1.dy());-
429 l1.setLength(offset);-
430 QLineF l2(nextLine.p2(), nextLine.p1());-
431 l2.translate(l2.dx(), l2.dy());-
432 l2.setLength(offset);-
433 emitLineTo(qfixed(l1.x2()), qfixed(l1.y2()));-
434 emitLineTo(qfixed(l2.x2()), qfixed(l2.y2()));-
435 emitLineTo(qfixed(l2.x1()), qfixed(l2.y1()));-
436-
437 }
never executed: end of block
 else if (join == RoundJoin
join == RoundJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
438 qfixed offset = m_strokeWidth / 2;-
439-
440 QLineF shortCut(prevLine.p2(), nextLine.p1());-
441 qreal angle = shortCut.angleTo(prevLine);-
442 if (type == QLineF::BoundedIntersection
type == QLineF...edIntersectionDescription
TRUEnever evaluated
FALSEnever evaluated
 || (angle > 90
angle > 90Description
TRUEnever evaluated
FALSEnever evaluated
 && !qFuzzyCompare(angle, (qreal)90)
!qFuzzyCompare...le, (qreal)90)Description
TRUEnever evaluated
FALSEnever evaluated
)) {		0
443 emitLineTo(focal_x, focal_y);-
444 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
445 return;
never executed: return;
0
446 }-
447 qreal l1_on_x = adapted_angle_on_x(prevLine);-
448 qreal l2_on_x = adapted_angle_on_x(nextLine);-
449-
450 qreal sweepLength = qAbs(l2_on_x - l1_on_x);-
451-
452 int point_count;-
453 QPointF curves[15];-
454-
455 QPointF curve_start =-
456 qt_curves_for_arc(QRectF(focal_x - offset,-
457 focal_y - offset,-
458 offset * 2,-
459 offset * 2),-
460 l1_on_x + 90, -sweepLength,-
461 curves, &point_count);-
462-
463-
464-
465 (void)curve_start;;-
466-
467 for (int i=0; i<point_count
i<point_countDescription
TRUEnever evaluated
FALSEnever evaluated
; i+=3) {		0
468 emitCubicTo(qfixed(curves[i].x()),-
469 qfixed(curves[i].y()),-
470 qfixed(curves[i+1].x()),-
471 qfixed(curves[i+1].y()),-
472 qfixed(curves[i+2].x()),-
473 qfixed(curves[i+2].y()));-
474 }
never executed: end of block
0
475-
476-
477 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
478-
479-
480-
481 }
never executed: end of block
 else if (join == RoundCap
join == RoundCapDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
482 qfixed offset = m_strokeWidth / 2;-
483-
484-
485 QLineF l1 = prevLine;-
486 l1.translate(l1.dx(), l1.dy());-
487 l1.setLength(0.5522847498 * offset);-
488-
489-
490 QLineF l2(focal_x, focal_y,-
491 prevLine.x2(), prevLine.y2());-
492 l2.translate(-l2.dy(), l2.dx());-
493 l2.setLength(0.5522847498 * offset);-
494-
495 emitCubicTo(qfixed(l1.x2()),-
496 qfixed(l1.y2()),-
497 qfixed(l2.x2()),-
498 qfixed(l2.y2()),-
499 qfixed(l2.x1()),-
500 qfixed(l2.y1()));-
501-
502-
503 l2 = QLineF(l2.x1(), l2.y1(), l2.x1()-l2.dx(), l2.y1()-l2.dy());-
504-
505-
506 l1.translate(nextLine.x1() - l1.x1(), nextLine.y1() - l1.y1());-
507-
508 emitCubicTo(qfixed(l2.x2()),-
509 qfixed(l2.y2()),-
510 qfixed(l1.x2()),-
511 qfixed(l1.y2()),-
512 qfixed(l1.x1()),-
513 qfixed(l1.y1()));-
514 }
never executed: end of block
 else if (join == SvgMiterJoin
join == SvgMiterJoinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
515 QLineF shortCut(prevLine.p2(), nextLine.p1());-
516 qreal angle = shortCut.angleTo(prevLine);-
517 if (type == QLineF::BoundedIntersection
type == QLineF...edIntersectionDescription
TRUEnever evaluated
FALSEnever evaluated
 || (angle > 90
angle > 90Description
TRUEnever evaluated
FALSEnever evaluated
 && !qFuzzyCompare(angle, (qreal)90)
!qFuzzyCompare...le, (qreal)90)Description
TRUEnever evaluated
FALSEnever evaluated
)) {		0
518 emitLineTo(focal_x, focal_y);-
519 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
520 return;
never executed: return;
0
521 }-
522 QLineF miterLine(QPointF(focal_x,-
523 focal_y), isect);-
524 if (type == QLineF::NoIntersection
type == QLineF::NoIntersectionDescription
TRUEnever evaluated
FALSEnever evaluated
 || miterLine.length() > m_strokeWidth * m_miterLimit / 2
miterLine.leng...miterLimit / 2Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
525 emitLineTo(qfixed(nextLine.x1()),-
526 qfixed(nextLine.y1()));-
527 }
never executed: end of block
 else {		0
528 emitLineTo(qfixed(isect.x()), qfixed(isect.y()));-
529 emitLineTo(qfixed(nextLine.x1()), qfixed(nextLine.y1()));-
530 }
never executed: end of block
0
531 } else {-
532 ((!(!"QStroker::joinPoints(), bad join style...")) ? qt_assert("!\"QStroker::joinPoints(), bad join style...\"",__FILE__,619) : qt_noop());-
533 }
never executed: end of block
0
534 }-
535}-
536template <class Iterator> bool qt_stroke_side(Iterator *it,-
537 QStroker *stroker,-
538 bool capFirst,-
539 QLineF *startTangent)-
540{-
541-
542 const int MAX_OFFSET = 16;-
543 QBezier offsetCurves[MAX_OFFSET];-
544-
545 ((!(it->hasNext())) ? qt_assert("it->hasNext()",__FILE__,641) : qt_noop());-
546 QStrokerOps::Element first_element = it->next();-
547 ((!(first_element.isMoveTo())) ? qt_assert("first_element.isMoveTo()",__FILE__,643) : qt_noop());-
548-
549 qfixed2d start = first_element;-
550-
551-
552-
553-
554-
555-
556-
557 qfixed2d prev = start;-
558-
559 bool first = true;-
560-
561 qfixed offset = stroker->strokeWidth() / 2;-
562-
563 while (it->hasNext()
it->hasNext()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
564 QStrokerOps::Element e = it->next();-
565-
566-
567 if (e.isLineTo()
e.isLineTo()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
568-
569-
570-
571 QLineF line(prev.x, prev.y,-
572 e.x, e.y);-
573 if (line.p1() != line.p2()
line.p1() != line.p2()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
574 QLineF normal = line.normalVector();-
575 normal.setLength(offset);-
576 line.translate(normal.dx(), normal.dy());-
577-
578-
579 if (first
firstDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
580 if (capFirst
capFirstDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
581 stroker->joinPoints(prev.x, prev.y, line, stroker->capStyleMode());
never executed: stroker->joinPoints(prev.x, prev.y, line, stroker->capStyleMode());
0
582 else-
583 stroker->emitMoveTo(qfixed(line.x1()), qfixed(line.y1()));
never executed: stroker->emitMoveTo(qfixed(line.x1()), qfixed(line.y1()));
0
584 *startTangent = line;-
585 first = false;-
586 }
never executed: end of block
 else {		0
587 stroker->joinPoints(prev.x, prev.y, line, stroker->joinStyleMode());-
588 }
never executed: end of block
0
589-
590-
591 stroker->emitLineTo(qfixed(line.x2()),-
592 qfixed(line.y2()));-
593 prev = e;-
594 }
never executed: end of block
0
595-
596-
597 }
never executed: end of block
 else if (e.isCurveTo()
e.isCurveTo()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
598 QStrokerOps::Element cp2 = it->next();-
599 QStrokerOps::Element ep = it->next();-
600-
601-
602-
603-
604-
605-
606-
607 QBezier bezier =-
608 QBezier::fromPoints(QPointF(prev.x, prev.y),-
609 QPointF(e.x, e.y),-
610 QPointF(cp2.x, cp2.y),-
611 QPointF(ep.x, ep.y));-
612-
613 int count = bezier.shifted(offsetCurves,-
614 MAX_OFFSET,-
615 offset,-
616 stroker->curveThreshold());-
617-
618 if (count
countDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
619-
620 QLineF tangent = bezier.startTangent();-
621 tangent.translate(offsetCurves[0].pt1() - bezier.pt1());-
622 if (first
firstDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
623 QPointF pt = offsetCurves[0].pt1();-
624 if (capFirst
capFirstDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
625 stroker->joinPoints(prev.x, prev.y,-
626 tangent,-
627 stroker->capStyleMode());-
628 }
never executed: end of block
 else {		0
629 stroker->emitMoveTo(qfixed(pt.x()),-
630 qfixed(pt.y()));-
631 }
never executed: end of block
0
632 *startTangent = tangent;-
633 first = false;-
634 }
never executed: end of block
 else {		0
635 stroker->joinPoints(prev.x, prev.y,-
636 tangent,-
637 stroker->joinStyleMode());-
638 }
never executed: end of block
0
639-
640-
641 for (int i=0; i<count
i<countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
642 QPointF cp1 = offsetCurves[i].pt2();-
643 QPointF cp2 = offsetCurves[i].pt3();-
644 QPointF ep = offsetCurves[i].pt4();-
645 stroker->emitCubicTo(qfixed(cp1.x()), qfixed(cp1.y()),-
646 qfixed(cp2.x()), qfixed(cp2.y()),-
647 qfixed(ep.x()), qfixed(ep.y()));-
648 }
never executed: end of block
0
649 }
never executed: end of block
0
650-
651 prev = ep;-
652 }
never executed: end of block
0
653 }
never executed: end of block
0
654-
655 if (start == prev
start == prevDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
656-
657-
658-
659-
660-
661 if (!first
!firstDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
662 stroker->joinPoints(prev.x, prev.y, *startTangent, stroker->joinStyleMode());
never executed: stroker->joinPoints(prev.x, prev.y, *startTangent, stroker->joinStyleMode());
0
663 return
never executed: return true;
 true;
never executed: return true;
0
664 } else {-
665-
666-
667-
668 return
never executed: return false;
 false;
never executed: return false;
0
669 }-
670}-
671qreal qt_t_for_arc_angle(qreal angle)-
672{-
673 if (qFuzzyIsNull(angle)
qFuzzyIsNull(angle)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
674 return
never executed: return 0;
 0;
never executed: return 0;
0
675-
676 if (qFuzzyCompare(angle, qreal(90))
qFuzzyCompare(...le, qreal(90))Description
TRUEnever evaluated
FALSEnever evaluated
)		0
677 return
never executed: return 1;
 1;
never executed: return 1;
0
678-
679 qreal radians = qDegreesToRadians(angle);-
680 qreal cosAngle = qCos(radians);-
681 qreal sinAngle = qSin(radians);-
682-
683-
684 qreal tc = angle / 90;-
685-
686-
687 tc -= ((((2-3*0.5522847498) * tc + 3*(0.5522847498 -1)) * tc) * tc + 1 - cosAngle)-
688 / (((6-9*0.5522847498) * tc + 6*(0.5522847498 -1)) * tc);-
689 tc -= ((((2-3*0.5522847498) * tc + 3*(0.5522847498 -1)) * tc) * tc + 1 - cosAngle)-
690 / (((6-9*0.5522847498) * tc + 6*(0.5522847498 -1)) * tc);-
691-
692-
693 qreal ts = tc;-
694-
695-
696 ts -= ((((3*0.5522847498 -2) * ts - 6*0.5522847498 + 3) * ts + 3*0.5522847498) * ts - sinAngle)-
697 / (((9*0.5522847498 -6) * ts + 12*0.5522847498 - 6) * ts + 3*0.5522847498);-
698 ts -= ((((3*0.5522847498 -2) * ts - 6*0.5522847498 + 3) * ts + 3*0.5522847498) * ts - sinAngle)-
699 / (((9*0.5522847498 -6) * ts + 12*0.5522847498 - 6) * ts + 3*0.5522847498);-
700-
701-
702-
703 qreal t = 0.5 * (tc + ts);-
704 return
never executed: return t;
 t;
never executed: return t;
0
705}-
706-
707__attribute__((visibility("default"))) void qt_find_ellipse_coords(const QRectF &r, qreal angle, qreal length,-
708 QPointF* startPoint, QPointF *endPoint);-
709QPointF qt_curves_for_arc(const QRectF &rect, qreal startAngle, qreal sweepLength,-
710 QPointF *curves, int *point_count)-
711{-
712 ((!(point_count)) ? qt_assert("point_count",__FILE__,856) : qt_noop());-
713 ((!(curves)) ? qt_assert("curves",__FILE__,857) : qt_noop());-
714-
715 *point_count = 0;-
716 if (qt_is_nan(rect.x())
qt_is_nan(rect.x())Description
TRUEnever evaluated
FALSEnever evaluated
 || qt_is_nan(rect.y())
qt_is_nan(rect.y())Description
TRUEnever evaluated
FALSEnever evaluated
 || qt_is_nan(rect.width())
qt_is_nan(rect.width())Description
TRUEnever evaluated
FALSEnever evaluated
 || qt_is_nan(rect.height())
qt_is_nan(rect.height())Description
TRUEnever evaluated
FALSEnever evaluated
0
717 || qt_is_nan(startAngle)
qt_is_nan(startAngle)Description
TRUEnever evaluated
FALSEnever evaluated
 || qt_is_nan(sweepLength)
qt_is_nan(sweepLength)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
718 QMessageLogger(__FILE__, 862, __PRETTY_FUNCTION__).warning("QPainterPath::arcTo: Adding arc where a parameter is NaN, results are undefined");-
719 return
never executed: return QPointF();
 QPointF();
never executed: return QPointF();
0
720 }-
721-
722 if (rect.isNull()
rect.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
723 return
never executed: return QPointF();
 QPointF();
never executed: return QPointF();
0
724 }-
725-
726 qreal x = rect.x();-
727 qreal y = rect.y();-
728-
729 qreal w = rect.width();-
730 qreal w2 = rect.width() / 2;-
731 qreal w2k = w2 * 0.5522847498;-
732-
733 qreal h = rect.height();-
734 qreal h2 = rect.height() / 2;-
735 qreal h2k = h2 * 0.5522847498;-
736-
737 QPointF points[16] =-
738 {-
739-
740 QPointF(x + w, y + h2),-
741-
742-
743 QPointF(x + w, y + h2 + h2k),-
744 QPointF(x + w2 + w2k, y + h),-
745 QPointF(x + w2, y + h),-
746-
747-
748 QPointF(x + w2 - w2k, y + h),-
749 QPointF(x, y + h2 + h2k),-
750 QPointF(x, y + h2),-
751-
752-
753 QPointF(x, y + h2 - h2k),-
754 QPointF(x + w2 - w2k, y),-
755 QPointF(x + w2, y),-
756-
757-
758 QPointF(x + w2 + w2k, y),-
759 QPointF(x + w, y + h2 - h2k),-
760 QPointF(x + w, y + h2)-
761 };-
762-
763 if (sweepLength > 360
sweepLength > 360Description
TRUEnever evaluated
FALSEnever evaluated
) sweepLength = 360;
never executed: sweepLength = 360;
0
764 else if (sweepLength < -360
sweepLength < -360Description
TRUEnever evaluated
FALSEnever evaluated
) sweepLength = -360;
never executed: sweepLength = -360;
0
765-
766-
767 if (startAngle == 0.0
startAngle == 0.0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
768 if (sweepLength == 360.0
sweepLength == 360.0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
769 for (int i = 11; i >= 0
i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
; --i)		0
770 curves[(*point_count)++] = points[i];
never executed: curves[(*point_count)++] = points[i];
0
771 return
never executed: return points[12];
 points[12];
never executed: return points[12];
0
772 } else if (sweepLength == -360.0
sweepLength == -360.0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
773 for (int i = 1; i <= 12
i <= 12Description
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
774 curves[(*point_count)++] = points[i];
never executed: curves[(*point_count)++] = points[i];
0
775 return
never executed: return points[0];
 points[0];
never executed: return points[0];
0
776 }-
777 }
never executed: end of block
0
778-
779 int startSegment = int(qFloor(startAngle / 90));-
780 int endSegment = int(qFloor((startAngle + sweepLength) / 90));-
781-
782 qreal startT = (startAngle - startSegment * 90) / 90;-
783 qreal endT = (startAngle + sweepLength - endSegment * 90) / 90;-
784-
785 int delta = sweepLength > 0
sweepLength > 0Description
TRUEnever evaluated
FALSEnever evaluated
 ? 1 : -1;		0
786 if (delta < 0
delta < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
787 startT = 1 - startT;-
788 endT = 1 - endT;-
789 }
never executed: end of block
0
790-
791-
792 if (qFuzzyIsNull(startT - qreal(1))
qFuzzyIsNull(s...tT - qreal(1))Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
793 startT = 0;-
794 startSegment += delta;-
795 }
never executed: end of block
0
796-
797-
798 if (qFuzzyIsNull(endT)
qFuzzyIsNull(endT)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
799 endT = 1;-
800 endSegment -= delta;-
801 }
never executed: end of block
0
802-
803 startT = qt_t_for_arc_angle(startT * 90);-
804 endT = qt_t_for_arc_angle(endT * 90);-
805-
806 const bool splitAtStart = !qFuzzyIsNull(startT);-
807 const bool splitAtEnd = !qFuzzyIsNull(endT - qreal(1));-
808-
809 const int end = endSegment + delta;-
810-
811-
812 if (startSegment == end
startSegment == endDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
813 const int quadrant = 3 - ((startSegment % 4) + 4) % 4;-
814 const int j = 3 * quadrant;-
815 return
never executed: return delta > 0 ? points[j + 3] : points[j];
 delta > 0 ? points[j + 3] : points[j];
never executed: return delta > 0 ? points[j + 3] : points[j];
0
816 }-
817-
818 QPointF startPoint, endPoint;-
819 qt_find_ellipse_coords(rect, startAngle, sweepLength, &startPoint, &endPoint);-
820-
821 for (int i = startSegment; i != end
i != endDescription
TRUEnever evaluated
FALSEnever evaluated
; i += delta) {		0
822 const int quadrant = 3 - ((i % 4) + 4) % 4;-
823 const int j = 3 * quadrant;-
824-
825 QBezier b;-
826 if (delta > 0
delta > 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
827 b = QBezier::fromPoints(points[j + 3], points[j + 2], points[j + 1], points[j]);
never executed: b = QBezier::fromPoints(points[j + 3], points[j + 2], points[j + 1], points[j]);
0
828 else-
829 b = QBezier::fromPoints(points[j], points[j + 1], points[j + 2], points[j + 3]);
never executed: b = QBezier::fromPoints(points[j], points[j + 1], points[j + 2], points[j + 3]);
0
830-
831-
832 if (startSegment == endSegment
startSegment == endSegmentDescription
TRUEnever evaluated
FALSEnever evaluated
 && qFuzzyCompare(startT, endT)
qFuzzyCompare(startT, endT)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
833 return
never executed: return startPoint;
 startPoint;
never executed: return startPoint;
0
834-
835 if (i == startSegment
i == startSegmentDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
836 if (i == endSegment
i == endSegmentDescription
TRUEnever evaluated
FALSEnever evaluated
 && splitAtEnd
splitAtEndDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
837 b = b.bezierOnInterval(startT, endT);
never executed: b = b.bezierOnInterval(startT, endT);
0
838 else if (splitAtStart
splitAtStartDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
839 b = b.bezierOnInterval(startT, 1);
never executed: b = b.bezierOnInterval(startT, 1);
0
840 }
never executed: end of block
 else if (i == endSegment
i == endSegmentDescription
TRUEnever evaluated
FALSEnever evaluated
 && splitAtEnd
splitAtEndDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
841 b = b.bezierOnInterval(0, endT);-
842 }
never executed: end of block
0
843-
844-
845 curves[(*point_count)++] = b.pt2();-
846 curves[(*point_count)++] = b.pt3();-
847 curves[(*point_count)++] = b.pt4();-
848 }
never executed: end of block
0
849-
850 ((!(*point_count > 0)) ? qt_assert("*point_count > 0",__FILE__,994) : qt_noop());-
851 curves[*(point_count)-1] = endPoint;-
852-
853 return
never executed: return startPoint;
 startPoint;
never executed: return startPoint;
0
854}-
855-
856-
857static inline void qdashstroker_moveTo(qfixed x, qfixed y, void *data) {-
858 ((QStroker *) data)->moveTo(x, y);-
859}
never executed: end of block
0
860-
861static inline void qdashstroker_lineTo(qfixed x, qfixed y, void *data) {-
862 ((QStroker *) data)->lineTo(x, y);-
863}
never executed: end of block
0
864-
865static inline void qdashstroker_cubicTo(qfixed, qfixed, qfixed, qfixed, qfixed, qfixed, void *) {-
866 ((!(0)) ? qt_assert("0",__FILE__,1010) : qt_noop());-
867-
868}
never executed: end of block
0
869-
870-
871-
872-
873-
874QDashStroker::QDashStroker(QStroker *stroker)-
875 : m_stroker(stroker), m_dashOffset(0), m_stroke_width(1), m_miter_limit(1)-
876{-
877 if (m_stroker
m_strokerDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
878 setMoveToHook(qdashstroker_moveTo);-
879 setLineToHook(qdashstroker_lineTo);-
880 setCubicToHook(qdashstroker_cubicTo);-
881 }
never executed: end of block
0
882}
never executed: end of block
0
883-
884QDashStroker::~QDashStroker()-
885{-
886}-
887-
888QVector<qfixed> QDashStroker::patternForStyle(Qt::PenStyle style)-
889{-
890 const qfixed space = 2;-
891 const qfixed dot = 1;-
892 const qfixed dash = 4;-
893-
894 QVector<qfixed> pattern;-
895-
896 switch (style) {-
897 case
never executed: case Qt::DashLine:
 Qt::DashLine:
never executed: case Qt::DashLine:
0
898 pattern << dash << space;-
899 break;
never executed: break;
0
900 case
never executed: case Qt::DotLine:
 Qt::DotLine:
never executed: case Qt::DotLine:
0
901 pattern << dot << space;-
902 break;
never executed: break;
0
903 case
never executed: case Qt::DashDotLine:
 Qt::DashDotLine:
never executed: case Qt::DashDotLine:
0
904 pattern << dash << space << dot << space;-
905 break;
never executed: break;
0
906 case
never executed: case Qt::DashDotDotLine:
 Qt::DashDotDotLine:
never executed: case Qt::DashDotDotLine:
0
907 pattern << dash << space << dot << space << dot << space;-
908 break;
never executed: break;
0
909 default
never executed: default:
:
never executed: default:
0
910 break;
never executed: break;
0
911 }-
912-
913 return
never executed: return pattern;
 pattern;
never executed: return pattern;
0
914}-
915-
916static inline bool lineRectIntersectsRect(qfixed2d p1, qfixed2d p2, const qfixed2d &tl, const qfixed2d &br)-
917{-
918 return
never executed: return ((p1.x > tl.x || p2.x > tl.x) && (p1.x < br.x || p2.x < br.x) && (p1.y > tl.y || p2.y > tl.y) && (p1.y < br.y || p2.y < br.y));
 ((p1.x > tl.x || p2.x > tl.x) && (p1.x < br.x || p2.x < br.x)
never executed: return ((p1.x > tl.x || p2.x > tl.x) && (p1.x < br.x || p2.x < br.x) && (p1.y > tl.y || p2.y > tl.y) && (p1.y < br.y || p2.y < br.y));
0
919 && (p1.y > tl.y || p2.y > tl.y) && (p1.y < br.y || p2.y < br.y));
never executed: return ((p1.x > tl.x || p2.x > tl.x) && (p1.x < br.x || p2.x < br.x) && (p1.y > tl.y || p2.y > tl.y) && (p1.y < br.y || p2.y < br.y));
0
920}-
921-
922-
923static bool lineIntersectsRect(qfixed2d p1, qfixed2d p2, const qfixed2d &tl, const qfixed2d &br)-
924{-
925 if (!lineRectIntersectsRect(p1, p2, tl, br)
!lineRectInter...1, p2, tl, br)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
926 return
never executed: return false;
 false;
never executed: return false;
0
927 if (p1.x == p2.x
p1.x == p2.xDescription
TRUEnever evaluated
FALSEnever evaluated
 || p1.y == p2.y
p1.y == p2.yDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
928 return
never executed: return true;
 true;
never executed: return true;
0
929-
930 if (p1.y > p2.y
p1.y > p2.yDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
931 qSwap(p1, p2);
never executed: qSwap(p1, p2);
0
932 qfixed2d u;-
933 qfixed2d v;-
934 qfixed2d w = {p2.x - p1.x, p2.y - p1.y};-
935 if (p1.x < p2.x
p1.x < p2.xDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
936-
937 u.x = tl.x - p1.x; u.y = br.y - p1.y;-
938 v.x = br.x - p1.x; v.y = tl.y - p1.y;-
939 }
never executed: end of block
 else {		0
940-
941 u.x = tl.x - p1.x; u.y = tl.y - p1.y;-
942 v.x = br.x - p1.x; v.y = br.y - p1.y;-
943 }
never executed: end of block
0
944 qreal val1 = u.x * w.y - u.y * w.x;-
945 qreal val2 = v.x * w.y - v.y * w.x;-
946 return
never executed: return (val1 < 0 && val2 > 0) || (val1 > 0 && val2 < 0);
 (val1 < 0 && val2 > 0) || (val1 > 0 && val2 < 0);
never executed: return (val1 < 0 && val2 > 0) || (val1 > 0 && val2 < 0);
0
947-
948}-
949-
950void QDashStroker::processCurrentSubpath()-
951{-
952 int dashCount = qMin(m_dashPattern.size(), 32);-
953 qfixed dashes[32];-
954-
955 if (m_stroker
m_strokerDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
956 m_customData = m_stroker;-
957 m_stroke_width = m_stroker->strokeWidth();-
958 m_miter_limit = m_stroker->miterLimit();-
959 }
never executed: end of block
0
960-
961 qreal longestLength = 0;-
962 qreal sumLength = 0;-
963 for (int i=0; i<dashCount
i<dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
964 dashes[i] = qMax(m_dashPattern.at(i), qreal(0)) * m_stroke_width;-
965 sumLength += dashes[i];-
966 if (dashes[i] > longestLength
dashes[i] > longestLengthDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
967 longestLength = dashes[i];
never executed: longestLength = dashes[i];
0
968 }
never executed: end of block
0
969-
970 if (qFuzzyIsNull(sumLength)
qFuzzyIsNull(sumLength)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
971 return;
never executed: return;
0
972-
973 qreal invSumLength = qreal(1) / sumLength;-
974-
975 ((!(dashCount > 0)) ? qt_assert("dashCount > 0",__FILE__,1127) : qt_noop());-
976-
977 dashCount = dashCount & -2;-
978-
979 int idash = 0;-
980 qreal pos = 0;-
981 qreal elen = 0;-
982 qreal doffset = m_dashOffset * m_stroke_width;-
983-
984-
985 doffset -= qFloor(doffset * invSumLength) * sumLength;-
986-
987 while (doffset >= dashes[idash]
doffset >= dashes[idash]Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
988 doffset -= dashes[idash];-
989 if (++
++idash >= dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
idash >= dashCount
++idash >= dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
990 idash = 0;
never executed: idash = 0;
0
991 }
never executed: end of block
0
992-
993 qreal estart = 0;-
994 qreal estop = 0;-
995-
996 QLineF cline;-
997-
998 QPainterPath dashPath;-
999-
1000 QSubpathFlatIterator it(&m_elements, m_dashThreshold);-
1001 qfixed2d prev = it.next();-
1002-
1003 bool clipping = !m_clip_rect.isEmpty();-
1004 qfixed2d move_to_pos = prev;-
1005 qfixed2d line_to_pos;-
1006-
1007-
1008 qfixed padding = qfixed(qMax(m_stroke_width, m_miter_limit) * longestLength);-
1009 qfixed2d clip_tl = { qfixed(m_clip_rect.left()) - padding,-
1010 qfixed(m_clip_rect.top()) - padding };-
1011 qfixed2d clip_br = { qfixed(m_clip_rect.right()) + padding ,-
1012 qfixed(m_clip_rect.bottom()) + padding };-
1013-
1014 bool hasMoveTo = false;-
1015 while (it.hasNext()
it.hasNext()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
1016 QStrokerOps::Element e = it.next();-
1017-
1018 ((!(e.isLineTo())) ? qt_assert("e.isLineTo()",__FILE__,1170) : qt_noop());-
1019 cline = QLineF(prev.x,-
1020 prev.y,-
1021 e.x,-
1022 e.y);-
1023 elen = cline.length();-
1024-
1025 estop = estart + elen;-
1026-
1027 bool done = pos >= estop;-
1028-
1029 if (clipping
clippingDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1030-
1031 if (!lineIntersectsRect(prev, e, clip_tl, clip_br)
!lineIntersect...p_tl, clip_br)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
1032-
1033 elen -= qFloor(elen * invSumLength) * sumLength;-
1034-
1035 while (!done
!doneDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1036 qreal dpos = pos + dashes[idash] - doffset - estart;-
1037-
1038 ((!(dpos >= 0)) ? qt_assert("dpos >= 0",__FILE__,1190) : qt_noop());-
1039-
1040 if (dpos > elen
dpos > elenDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1041 doffset = dashes[idash] - (dpos - elen);-
1042 pos = estop;-
1043 done = true;-
1044 }
never executed: end of block
 else {		0
1045 pos = dpos + estart;-
1046 done = pos >= estop;-
1047 if (++
++idash >= dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
idash >= dashCount
++idash >= dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1048 idash = 0;
never executed: idash = 0;
0
1049 doffset = 0;-
1050 }
never executed: end of block
0
1051 }-
1052 hasMoveTo = false;-
1053 move_to_pos = e;-
1054 }
never executed: end of block
0
1055 }
never executed: end of block
0
1056-
1057-
1058 while (!done
!doneDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1059 QPointF p2;-
1060-
1061 bool has_offset = doffset > 0;-
1062 bool evenDash = (idash & 1) == 0;-
1063 qreal dpos = pos + dashes[idash] - doffset - estart;-
1064-
1065 ((!(dpos >= 0)) ? qt_assert("dpos >= 0",__FILE__,1217) : qt_noop());-
1066-
1067 if (dpos > elen
dpos > elenDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1068 doffset = dashes[idash] - (dpos - elen);-
1069 pos = estop;-
1070 done = true;-
1071 p2 = cline.p2();-
1072 }
never executed: end of block
 else {		0
1073 p2 = cline.pointAt(dpos/elen);-
1074 pos = dpos + estart;-
1075 done = pos >= estop;-
1076 if (++
++idash >= dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
idash >= dashCount
++idash >= dashCountDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1077 idash = 0;
never executed: idash = 0;
0
1078 doffset = 0;-
1079 }
never executed: end of block
0
1080-
1081 if (evenDash
evenDashDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1082 line_to_pos.x = qfixed(p2.x());-
1083 line_to_pos.y = qfixed(p2.y());-
1084-
1085 if (!clipping
!clippingDescription
TRUEnever evaluated
FALSEnever evaluated
0
1086 || lineRectIntersectsRect(move_to_pos, line_to_pos, clip_tl, clip_br)
lineRectInters...p_tl, clip_br)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
1087 {-
1088-
1089-
1090-
1091-
1092 if (!has_offset
!has_offsetDescription
TRUEnever evaluated
FALSEnever evaluated
 || !hasMoveTo
!hasMoveToDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1093 emitMoveTo(move_to_pos.x, move_to_pos.y);-
1094 hasMoveTo = true;-
1095 }
never executed: end of block
0
1096-
1097 emitLineTo(line_to_pos.x, line_to_pos.y);-
1098 }
never executed: end of block
 else {		0
1099 hasMoveTo = false;-
1100 }
never executed: end of block
0
1101 move_to_pos = line_to_pos;-
1102 }
never executed: end of block
 else {		0
1103 move_to_pos.x = qfixed(p2.x());-
1104 move_to_pos.y = qfixed(p2.y());-
1105 }
never executed: end of block
0
1106 }-
1107-
1108-
1109 estart = estop;-
1110 prev = e;-
1111 }
never executed: end of block
0
1112-
1113}
never executed: end of block
0
1114-
1115-
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