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qtriangulatingstroker.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/gui/opengl/qtriangulatingstroker.cpp
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1-
2-
3-
4-
5-
6-
7-
8-
9void QTriangulatingStroker::endCapOrJoinClosed(const qreal *start, const qreal *cur,-
10 bool implicitClose, bool endsAtStart)-
11{-
12 if (endsAtStart
endsAtStartDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
13 join(start + 2);-
14 }
never executed: end of block
 else if (implicitClose
implicitCloseDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
15 join(start);-
16 lineTo(start);-
17 join(start+2);-
18 }
never executed: end of block
 else {		0
19 endCap(cur);-
20 }
never executed: end of block
0
21 int count = m_vertices.size();-
22-
23-
24-
25-
26 float x = m_vertices.at(count-2);-
27 float y = m_vertices.at(count-1);-
28 m_vertices.add(x);-
29 m_vertices.add(y);-
30}
never executed: end of block
0
31-
32static inline void skipDuplicatePoints(const qreal **pts, const qreal *endPts)-
33{-
34 while ((*
(*pts + 2) < endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
pts + 2) < endPts
(*pts + 2) < endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
 && float((*pts)[0]) == float((*pts)[2])
float((*pts)[0...oat((*pts)[2])Description
TRUEnever evaluated
FALSEnever evaluated
0
35 && float((*pts)[1]) == float((*pts)[3])
float((*pts)[1...oat((*pts)[3])Description
TRUEnever evaluated
FALSEnever evaluated
)		0
36 {-
37 *pts += 2;-
38 }
never executed: end of block
0
39}
never executed: end of block
0
40-
41void QTriangulatingStroker::process(const QVectorPath &path, const QPen &pen, const QRectF &, QPainter::RenderHints hints)-
42{-
43 const qreal *pts = path.points();-
44 const QPainterPath::ElementType *types = path.elements();-
45 int count = path.elementCount();-
46 if (count < 2
count < 2Description
TRUEnever evaluated
FALSEnever evaluated
)		0
47 return;
never executed: return;
0
48-
49 float realWidth = qpen_widthf(pen);-
50 if (realWidth == 0
realWidth == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
51 realWidth = 1;
never executed: realWidth = 1;
0
52-
53 m_width = realWidth / 2;-
54-
55 bool cosmetic = qt_pen_is_cosmetic(pen, hints);-
56 if (cosmetic
cosmeticDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
57 m_width = m_width * m_inv_scale;-
58 }
never executed: end of block
0
59-
60 m_join_style = qpen_joinStyle(pen);-
61 m_cap_style = qpen_capStyle(pen);-
62 m_vertices.reset();-
63 m_miter_limit = pen.miterLimit() * qpen_widthf(pen);-
64 if (realWidth < 2.5
realWidth < 2.5Description
TRUEnever evaluated
FALSEnever evaluated
 && (cosmetic
cosmeticDescription
TRUEnever evaluated
FALSEnever evaluated
 || m_inv_scale == 1
m_inv_scale == 1Description
TRUEnever evaluated
FALSEnever evaluated
)) {		0
65 if (m_cap_style == Qt::RoundCap
m_cap_style == Qt::RoundCapDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
66 m_cap_style = Qt::SquareCap;
never executed: m_cap_style = Qt::SquareCap;
0
67 if (m_join_style == Qt::RoundJoin
m_join_style == Qt::RoundJoinDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
68 m_join_style = Qt::MiterJoin;
never executed: m_join_style = Qt::MiterJoin;
0
69 m_curvyness_add = 0.5;-
70 m_curvyness_mul = Q_PI / 8 / m_inv_scale;-
71 m_roundness = 1;-
72 }
never executed: end of block
 else if (cosmetic
cosmeticDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
73 m_curvyness_add = realWidth / 2;-
74 m_curvyness_mul = float(Q_PI / 8);-
75 m_roundness = qMax<int>(4, realWidth * Q_PI / 8);-
76 }
never executed: end of block
 else {		0
77 m_curvyness_add = m_width;-
78 m_curvyness_mul = Q_PI / 8 / m_inv_scale;-
79 m_roundness = qMax<int>(4, realWidth * m_curvyness_mul);-
80 }
never executed: end of block
0
81-
82-
83-
84 if (m_roundness > 24
m_roundness > 24Description
TRUEnever evaluated
FALSEnever evaluated
)		0
85 m_roundness = 24;
never executed: m_roundness = 24;
0
86-
87 m_sin_theta = qFastSin(Q_PI / m_roundness);-
88 m_cos_theta = qFastCos(Q_PI / m_roundness);-
89-
90 const qreal *endPts = pts + (count<<1);-
91 const qreal *startPts = 0;-
92-
93 Qt::PenCapStyle cap = m_cap_style;-
94-
95 if (!types
!typesDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
96 skipDuplicatePoints(&pts, endPts);-
97 if ((
(pts + 2) == endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
pts + 2) == endPts
(pts + 2) == endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
98 return;
never executed: return;
0
99-
100 startPts = pts;-
101-
102 bool endsAtStart = float(startPts[0]) == float(endPts[-2])
float(startPts...at(endPts[-2])Description
TRUEnever evaluated
FALSEnever evaluated
0
103 && float(startPts[1]) == float(endPts[-1])
float(startPts...at(endPts[-1])Description
TRUEnever evaluated
FALSEnever evaluated
;		0
104-
105 if (endsAtStart
endsAtStartDescription
TRUEnever evaluated
FALSEnever evaluated
 || path.hasImplicitClose()
path.hasImplicitClose()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
106 m_cap_style = Qt::FlatCap;
never executed: m_cap_style = Qt::FlatCap;
0
107 moveTo(pts);-
108 m_cap_style = cap;-
109 pts += 2;-
110 skipDuplicatePoints(&pts, endPts);-
111 lineTo(pts);-
112 pts += 2;-
113 skipDuplicatePoints(&pts, endPts);-
114 while (pts < endPts
pts < endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
115 join(pts);-
116 lineTo(pts);-
117 pts += 2;-
118 skipDuplicatePoints(&pts, endPts);-
119 }
never executed: end of block
0
120 endCapOrJoinClosed(startPts, pts-2, path.hasImplicitClose(), endsAtStart);-
121-
122 }
never executed: end of block
 else {		0
123 bool endsAtStart = false;-
124 QPainterPath::ElementType previousType = QPainterPath::MoveToElement;-
125 const qreal *previousPts = pts;-
126 while (pts < endPts
pts < endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
127 switch (*types) {-
128 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
 {		0
129 if (previousType != QPainterPath::MoveToElement
previousType !...:MoveToElementDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
130 endCapOrJoinClosed(startPts, previousPts, path.hasImplicitClose(), endsAtStart);
never executed: endCapOrJoinClosed(startPts, previousPts, path.hasImplicitClose(), endsAtStart);
0
131-
132 startPts = pts;-
133 skipDuplicatePoints(&startPts, endPts);-
134 if (startPts + 2 >= endPts
startPts + 2 >= endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
135 return;
never executed: return;
0
136-
137 int end = (endPts - pts) / 2;-
138 int i = 2;-
139 while (i<end
i<endDescription
TRUEnever evaluated
FALSEnever evaluated
 && types[i] != QPainterPath::MoveToElement
types[i] != QP...:MoveToElementDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
140 ++i;-
141 }
never executed: end of block
0
142 endsAtStart = float(startPts[0]) == float(pts[i*2 - 2])
float(startPts...(pts[i*2 - 2])Description
TRUEnever evaluated
FALSEnever evaluated
0
143 && float(startPts[1]) == float(pts[i*2 - 1])
float(startPts...(pts[i*2 - 1])Description
TRUEnever evaluated
FALSEnever evaluated
;		0
144 if (endsAtStart
endsAtStartDescription
TRUEnever evaluated
FALSEnever evaluated
 || path.hasImplicitClose()
path.hasImplicitClose()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
145 m_cap_style = Qt::FlatCap;
never executed: m_cap_style = Qt::FlatCap;
0
146-
147 moveTo(startPts);-
148 m_cap_style = cap;-
149 previousType = QPainterPath::MoveToElement;-
150 previousPts = pts;-
151 pts+=2;-
152 ++types;-
153 break;
never executed: break;
 }		0
154 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
155 if (float(m_cx) != float(pts[0])
float(m_cx) != float(pts[0])Description
TRUEnever evaluated
FALSEnever evaluated
 || float(m_cy) != float(pts[1])
float(m_cy) != float(pts[1])Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
156 if (previousType != QPainterPath::MoveToElement
previousType !...:MoveToElementDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
157 join(pts);
never executed: join(pts);
0
158 lineTo(pts);-
159 previousType = QPainterPath::LineToElement;-
160 previousPts = pts;-
161 }
never executed: end of block
0
162 pts+=2;-
163 ++types;-
164 break;
never executed: break;
0
165 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
166 if (float(m_cx) != float(pts[0])
float(m_cx) != float(pts[0])Description
TRUEnever evaluated
FALSEnever evaluated
 || float(m_cy) != float(pts[1])
float(m_cy) != float(pts[1])Description
TRUEnever evaluated
FALSEnever evaluated
0
167 || float(pts[0]) != float(pts[2])
float(pts[0]) != float(pts[2])Description
TRUEnever evaluated
FALSEnever evaluated
 || float(pts[1]) != float(pts[3])
float(pts[1]) != float(pts[3])Description
TRUEnever evaluated
FALSEnever evaluated
0
168 || float(pts[2]) != float(pts[4])
float(pts[2]) != float(pts[4])Description
TRUEnever evaluated
FALSEnever evaluated
 || float(pts[3]) != float(pts[5])
float(pts[3]) != float(pts[5])Description
TRUEnever evaluated
FALSEnever evaluated
)		0
169 {-
170 if (float(m_cx) != float(pts[0])
float(m_cx) != float(pts[0])Description
TRUEnever evaluated
FALSEnever evaluated
 || float(m_cy) != float(pts[1])
float(m_cy) != float(pts[1])Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
171 if (previousType != QPainterPath::MoveToElement
previousType !...:MoveToElementDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
172 join(pts);
never executed: join(pts);
0
173 }
never executed: end of block
0
174 cubicTo(pts);-
175 previousType = QPainterPath::CurveToElement;-
176 previousPts = pts + 4;-
177 }
never executed: end of block
0
178 pts+=6;-
179 types+=3;-
180 break;
never executed: break;
0
181 default
never executed: default:
:
never executed: default:
0
182 ((!(false)) ? qt_assert("false",__FILE__,244) : qt_noop());-
183 break;
never executed: break;
0
184 }-
185 }-
186-
187 if (previousType != QPainterPath::MoveToElement
previousType !...:MoveToElementDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
188 endCapOrJoinClosed(startPts, previousPts, path.hasImplicitClose(), endsAtStart);
never executed: endCapOrJoinClosed(startPts, previousPts, path.hasImplicitClose(), endsAtStart);
0
189 }
never executed: end of block
0
190}-
191-
192void QTriangulatingStroker::moveTo(const qreal *pts)-
193{-
194 m_cx = pts[0];-
195 m_cy = pts[1];-
196-
197 float x2 = pts[2];-
198 float y2 = pts[3];-
199 normalVector(m_cx, m_cy, x2, y2, &m_nvx, &m_nvy);-
200-
201-
202-
203-
204-
205 bool invisibleJump = m_vertices.size();-
206-
207 switch (m_cap_style) {-
208 case
never executed: case Qt::FlatCap:
 Qt::FlatCap:
never executed: case Qt::FlatCap:
0
209 if (invisibleJump
invisibleJumpDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
210 m_vertices.add(m_cx + m_nvx);-
211 m_vertices.add(m_cy + m_nvy);-
212 }
never executed: end of block
0
213 break;
never executed: break;
0
214 case
never executed: case Qt::SquareCap:
 Qt::SquareCap:
never executed: case Qt::SquareCap:
 {		0
215 float sx = m_cx - m_nvy;-
216 float sy = m_cy + m_nvx;-
217 if (invisibleJump
invisibleJumpDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
218 m_vertices.add(sx + m_nvx);-
219 m_vertices.add(sy + m_nvy);-
220 }
never executed: end of block
0
221 emitLineSegment(sx, sy, m_nvx, m_nvy);-
222 break;
never executed: break;
 }		0
223 case
never executed: case Qt::RoundCap:
 Qt::RoundCap:
never executed: case Qt::RoundCap:
 {		0
224 QVarLengthArray<float> points;-
225 arcPoints(m_cx, m_cy, m_cx + m_nvx, m_cy + m_nvy, m_cx - m_nvx, m_cy - m_nvy, points);-
226 m_vertices.resize(m_vertices.size() + points.size() + 2 * int(invisibleJump));-
227 int count = m_vertices.size();-
228 int front = 0;-
229 int end = points.size() / 2;-
230 while (front != end
front != endDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
231 m_vertices.at(--count) = points[2 * end - 1];-
232 m_vertices.at(--count) = points[2 * end - 2];-
233 --end;-
234 if (front == end
front == endDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
235 break;
never executed: break;
0
236 m_vertices.at(--count) = points[2 * front + 1];-
237 m_vertices.at(--count) = points[2 * front + 0];-
238 ++front;-
239 }
never executed: end of block
0
240-
241 if (invisibleJump
invisibleJumpDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
242 m_vertices.at(count - 1) = m_vertices.at(count + 1);-
243 m_vertices.at(count - 2) = m_vertices.at(count + 0);-
244 }
never executed: end of block
0
245 break;
never executed: break;
 }		0
246 default
never executed: default:
:
never executed: default:
 break;
never executed: break;
0
247 }-
248 emitLineSegment(m_cx, m_cy, m_nvx, m_nvy);-
249}
never executed: end of block
0
250-
251void QTriangulatingStroker::cubicTo(const qreal *pts)-
252{-
253 const QPointF *p = (const QPointF *) pts;-
254 QBezier bezier = QBezier::fromPoints(*(p - 1), p[0], p[1], p[2]);-
255-
256 QRectF bounds = bezier.bounds();-
257 float rad = qMax(bounds.width(), bounds.height());-
258 int threshold = qMin<float>(64, (rad + m_curvyness_add) * m_curvyness_mul);-
259 if (threshold < 4
threshold < 4Description
TRUEnever evaluated
FALSEnever evaluated
)		0
260 threshold = 4;
never executed: threshold = 4;
0
261 qreal threshold_minus_1 = threshold - 1;-
262 float vx, vy;-
263-
264 float cx = m_cx, cy = m_cy;-
265 float x, y;-
266-
267 for (int i=1; i<threshold
i<thresholdDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
268 qreal t = qreal(i) / threshold_minus_1;-
269 QPointF p = bezier.pointAt(t);-
270 x = p.x();-
271 y = p.y();-
272-
273 normalVector(cx, cy, x, y, &vx, &vy);-
274-
275 emitLineSegment(x, y, vx, vy);-
276-
277 cx = x;-
278 cy = y;-
279 }
never executed: end of block
0
280-
281 m_cx = cx;-
282 m_cy = cy;-
283-
284 m_nvx = vx;-
285 m_nvy = vy;-
286}
never executed: end of block
0
287-
288void QTriangulatingStroker::join(const qreal *pts)-
289{-
290-
291 normalVector(m_cx, m_cy, pts[0], pts[1], &m_nvx, &m_nvy);-
292-
293 switch (m_join_style) {-
294 case
never executed: case Qt::BevelJoin:
 Qt::BevelJoin:
never executed: case Qt::BevelJoin:
0
295 break;
never executed: break;
0
296 case
never executed: case Qt::SvgMiterJoin:
 Qt::SvgMiterJoin:
never executed: case Qt::SvgMiterJoin:
0
297 case
never executed: case Qt::MiterJoin:
 Qt::MiterJoin:
never executed: case Qt::MiterJoin:
 {		0
298-
299 int count = m_vertices.size();-
300 float prevNvx = m_vertices.at(count - 2) - m_cx;-
301 float prevNvy = m_vertices.at(count - 1) - m_cy;-
302 float xprod = prevNvx * m_nvy - prevNvy * m_nvx;-
303 float px, py, qx, qy;-
304-
305-
306 if (qFuzzyIsNull(xprod)
qFuzzyIsNull(xprod)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
307 break;
never executed: break;
0
308-
309-
310 if (xprod < 0
xprod < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
311 px = m_vertices.at(count - 2);-
312 py = m_vertices.at(count - 1);-
313 qx = m_cx - m_nvx;-
314 qy = m_cy - m_nvy;-
315 }
never executed: end of block
 else {		0
316 px = m_vertices.at(count - 4);-
317 py = m_vertices.at(count - 3);-
318 qx = m_cx + m_nvx;-
319 qy = m_cy + m_nvy;-
320 }
never executed: end of block
0
321-
322-
323 float pu = px * prevNvx + py * prevNvy;-
324 float qv = qx * m_nvx + qy * m_nvy;-
325 float ix = (m_nvy * pu - prevNvy * qv) / xprod;-
326 float iy = (prevNvx * qv - m_nvx * pu) / xprod;-
327-
328-
329 if ((
(ix - px) * (i... m_miter_limitDescription
TRUEnever evaluated
FALSEnever evaluated
ix - px) * (ix - px) + (iy - py) * (iy - py) <= m_miter_limit * m_miter_limit
(ix - px) * (i... m_miter_limitDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
330 m_vertices.add(ix);-
331 m_vertices.add(iy);-
332 m_vertices.add(ix);-
333 m_vertices.add(iy);-
334 }
never executed: end of block
0
335-
336-
337-
338-
339-
340-
341 break;
never executed: break;
 }		0
342 case
never executed: case Qt::RoundJoin:
 Qt::RoundJoin:
never executed: case Qt::RoundJoin:
 {		0
343 QVarLengthArray<float> points;-
344 int count = m_vertices.size();-
345 float prevNvx = m_vertices.at(count - 2) - m_cx;-
346 float prevNvy = m_vertices.at(count - 1) - m_cy;-
347 if (m_nvx * prevNvy - m_nvy * prevNvx < 0
m_nvx * prevNv... * prevNvx < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
348 arcPoints(0, 0, m_nvx, m_nvy, -prevNvx, -prevNvy, points);-
349 for (int i = points.size() / 2; i > 0
i > 0Description
TRUEnever evaluated
FALSEnever evaluated
; --i)		0
350 emitLineSegment(m_cx, m_cy, points[2 * i - 2], points[2 * i - 1]);
never executed: emitLineSegment(m_cx, m_cy, points[2 * i - 2], points[2 * i - 1]);
0
351 }
never executed: end of block
 else {		0
352 arcPoints(0, 0, -prevNvx, -prevNvy, m_nvx, m_nvy, points);-
353 for (int i = 0; i < points.size() / 2
i < points.size() / 2Description
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
354 emitLineSegment(m_cx, m_cy, points[2 * i + 0], points[2 * i + 1]);
never executed: emitLineSegment(m_cx, m_cy, points[2 * i + 0], points[2 * i + 1]);
0
355 }
never executed: end of block
0
356 break;
never executed: break;
 }		0
357 default
never executed: default:
:
never executed: default:
 break;
never executed: break;
0
358 }-
359-
360 emitLineSegment(m_cx, m_cy, m_nvx, m_nvy);-
361}
never executed: end of block
0
362-
363void QTriangulatingStroker::endCap(const qreal *)-
364{-
365 switch (m_cap_style) {-
366 case
never executed: case Qt::FlatCap:
 Qt::FlatCap:
never executed: case Qt::FlatCap:
0
367 break;
never executed: break;
0
368 case
never executed: case Qt::SquareCap:
 Qt::SquareCap:
never executed: case Qt::SquareCap:
0
369 emitLineSegment(m_cx + m_nvy, m_cy - m_nvx, m_nvx, m_nvy);-
370 break;
never executed: break;
0
371 case
never executed: case Qt::RoundCap:
 Qt::RoundCap:
never executed: case Qt::RoundCap:
 {		0
372 QVarLengthArray<float> points;-
373 int count = m_vertices.size();-
374 arcPoints(m_cx, m_cy, m_vertices.at(count - 2), m_vertices.at(count - 1), m_vertices.at(count - 4), m_vertices.at(count - 3), points);-
375 int front = 0;-
376 int end = points.size() / 2;-
377 while (front != end
front != endDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
378 m_vertices.add(points[2 * end - 2]);-
379 m_vertices.add(points[2 * end - 1]);-
380 --end;-
381 if (front == end
front == endDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
382 break;
never executed: break;
0
383 m_vertices.add(points[2 * front + 0]);-
384 m_vertices.add(points[2 * front + 1]);-
385 ++front;-
386 }
never executed: end of block
0
387 break;
never executed: break;
 }		0
388 default
never executed: default:
:
never executed: default:
 break;
never executed: break;
0
389 }-
390}-
391-
392void QTriangulatingStroker::arcPoints(float cx, float cy, float fromX, float fromY, float toX, float toY, QVarLengthArray<float> &points)-
393{-
394 float dx1 = fromX - cx;-
395 float dy1 = fromY - cy;-
396 float dx2 = toX - cx;-
397 float dy2 = toY - cy;-
398-
399-
400 while (dx1 * dy2 - dx2 * dy1 < 0
dx1 * dy2 - dx2 * dy1 < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
401 float tmpx = dx1 * m_cos_theta - dy1 * m_sin_theta;-
402 float tmpy = dx1 * m_sin_theta + dy1 * m_cos_theta;-
403 dx1 = tmpx;-
404 dy1 = tmpy;-
405 points.append(cx + dx1);-
406 points.append(cy + dy1);-
407 }
never executed: end of block
0
408-
409-
410 while (dx1 * dx2 + dy1 * dy2 < 0
dx1 * dx2 + dy1 * dy2 < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
411 float tmpx = dx1 * m_cos_theta - dy1 * m_sin_theta;-
412 float tmpy = dx1 * m_sin_theta + dy1 * m_cos_theta;-
413 dx1 = tmpx;-
414 dy1 = tmpy;-
415 points.append(cx + dx1);-
416 points.append(cy + dy1);-
417 }
never executed: end of block
0
418-
419-
420 while (dx1 * dy2 - dx2 * dy1 > 0
dx1 * dy2 - dx2 * dy1 > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
421 float tmpx = dx1 * m_cos_theta - dy1 * m_sin_theta;-
422 float tmpy = dx1 * m_sin_theta + dy1 * m_cos_theta;-
423 dx1 = tmpx;-
424 dy1 = tmpy;-
425 points.append(cx + dx1);-
426 points.append(cy + dy1);-
427 }
never executed: end of block
0
428-
429-
430 if (!points.isEmpty()
!points.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
431 points.resize(points.size() - 2);
never executed: points.resize(points.size() - 2);
0
432}
never executed: end of block
0
433-
434static void qdashprocessor_moveTo(qreal x, qreal y, void *data)-
435{-
436 ((QDashedStrokeProcessor *) data)->addElement(QPainterPath::MoveToElement, x, y);-
437}
never executed: end of block
0
438-
439static void qdashprocessor_lineTo(qreal x, qreal y, void *data)-
440{-
441 ((QDashedStrokeProcessor *) data)->addElement(QPainterPath::LineToElement, x, y);-
442}
never executed: end of block
0
443-
444static void qdashprocessor_cubicTo(qreal, qreal, qreal, qreal, qreal, qreal, void *)-
445{-
446 ((!(0)) ? qt_assert("0",__FILE__,508) : qt_noop());-
447}
never executed: end of block
0
448-
449QDashedStrokeProcessor::QDashedStrokeProcessor()-
450 : m_points(0), m_types(0),-
451 m_dash_stroker(0), m_inv_scale(1)-
452{-
453 m_dash_stroker.setMoveToHook(qdashprocessor_moveTo);-
454 m_dash_stroker.setLineToHook(qdashprocessor_lineTo);-
455 m_dash_stroker.setCubicToHook(qdashprocessor_cubicTo);-
456}
never executed: end of block
0
457-
458void QDashedStrokeProcessor::process(const QVectorPath &path, const QPen &pen, const QRectF &clip, QPainter::RenderHints hints)-
459{-
460-
461 const qreal *pts = path.points();-
462 const QPainterPath::ElementType *types = path.elements();-
463 int count = path.elementCount();-
464-
465 bool cosmetic = qt_pen_is_cosmetic(pen, hints);-
466-
467 m_points.reset();-
468 m_types.reset();-
469 m_points.reserve(path.elementCount());-
470 m_types.reserve(path.elementCount());-
471-
472 qreal width = qpen_widthf(pen);-
473 if (width == 0
width == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
474 width = 1;
never executed: width = 1;
0
475-
476 m_dash_stroker.setDashPattern(pen.dashPattern());-
477 m_dash_stroker.setStrokeWidth(cosmetic ? width * m_inv_scale : width);-
478 m_dash_stroker.setDashOffset(pen.dashOffset());-
479 m_dash_stroker.setMiterLimit(pen.miterLimit());-
480 m_dash_stroker.setClipRect(clip);-
481-
482 float curvynessAdd, curvynessMul;-
483-
484-
485 if (width < 2.5
width < 2.5Description
TRUEnever evaluated
FALSEnever evaluated
 && (cosmetic
cosmeticDescription
TRUEnever evaluated
FALSEnever evaluated
 || m_inv_scale == 1
m_inv_scale == 1Description
TRUEnever evaluated
FALSEnever evaluated
)) {		0
486 curvynessAdd = 0.5;-
487 curvynessMul = Q_PI / 8 / m_inv_scale;-
488 }
never executed: end of block
 else if (cosmetic
cosmeticDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
489 curvynessAdd= width / 2;-
490 curvynessMul= float(Q_PI / 8);-
491 }
never executed: end of block
 else {		0
492 curvynessAdd = width * m_inv_scale;-
493 curvynessMul = Q_PI / 8 / m_inv_scale;-
494 }
never executed: end of block
0
495-
496 if (count < 2
count < 2Description
TRUEnever evaluated
FALSEnever evaluated
)		0
497 return;
never executed: return;
0
498-
499 const qreal *endPts = pts + (count<<1);-
500-
501 m_dash_stroker.begin(this);-
502-
503 if (!types
!typesDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
504 m_dash_stroker.moveTo(pts[0], pts[1]);-
505 pts += 2;-
506 while (pts < endPts
pts < endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
507 m_dash_stroker.lineTo(pts[0], pts[1]);-
508 pts += 2;-
509 }
never executed: end of block
0
510 }
never executed: end of block
 else {		0
511 while (pts < endPts
pts < endPtsDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
512 switch (*types) {-
513 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
514 m_dash_stroker.moveTo(pts[0], pts[1]);-
515 pts += 2;-
516 ++types;-
517 break;
never executed: break;
0
518 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
519 m_dash_stroker.lineTo(pts[0], pts[1]);-
520 pts += 2;-
521 ++types;-
522 break;
never executed: break;
0
523 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
 {		0
524 QBezier b = QBezier::fromPoints(*(((const QPointF *) pts) - 1),-
525 *(((const QPointF *) pts)),-
526 *(((const QPointF *) pts) + 1),-
527 *(((const QPointF *) pts) + 2));-
528 QRectF bounds = b.bounds();-
529 float rad = qMax(bounds.width(), bounds.height());-
530 int threshold = qMin<float>(64, (rad + curvynessAdd) * curvynessMul);-
531 if (threshold < 4
threshold < 4Description
TRUEnever evaluated
FALSEnever evaluated
)		0
532 threshold = 4;
never executed: threshold = 4;
0
533-
534 qreal threshold_minus_1 = threshold - 1;-
535 for (int i=0; i<threshold
i<thresholdDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
536 QPointF pt = b.pointAt(i / threshold_minus_1);-
537 m_dash_stroker.lineTo(pt.x(), pt.y());-
538 }
never executed: end of block
0
539 pts += 6;-
540 types += 3;-
541 break;
never executed: break;
 }		0
542 default
never executed: default:
:
never executed: default:
 break;
never executed: break;
0
543 }-
544 }-
545 }
never executed: end of block
0
546-
547 m_dash_stroker.end();-
548}
never executed: end of block
0
549-
550-
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