qgraphicsitemanimation.cpp

Absolute File Name:

/home/qt/qt5_coco/qt5/qtbase/src/widgets/graphicsview/qgraphicsitemanimation.cpp

Switch to Source code

Preprocessed file

Line Source Count

1 -

2 -

3 -

4 -

5 -

6 -

7 -

8 -

9 -

10 static inline bool check_step_valid(qreal step, const char *method) -

11 { -

if (!(step >= 0

step >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

&& step <= 1

step <= 1	Description
TRUE	never evaluated
FALSE	never evaluated

)) {

13 QMessageLogger(__FILE__, 101, __PRETTY_FUNCTION__).warning("QGraphicsItemAnimation::%s: invalid step = %f", method, step); -

return

never executed: return false;

false;

never executed: return false;

15 } -

return

never executed: return true;

true;

never executed: return true;

17 } -

18 -

19 class QGraphicsItemAnimationPrivate -

20 { -

21 public: -

22 inline QGraphicsItemAnimationPrivate() -

23 : q(0), timeLine(0), item(0), step(0) -

{ }

never executed: end of block

25 -

26 QGraphicsItemAnimation *q; -

27 -

28 QPointer<QTimeLine> timeLine; -

29 QGraphicsItem *item; -

30 -

31 QPointF startPos; -

32 QMatrix startMatrix; -

33 -

34 qreal step; -

35 -

36 struct Pair { -

37 bool operator <(const Pair &other) const -

{ return

never executed: return step < other.step;

step < other.step;

never executed: return step < other.step;

}

39 bool operator==(const Pair &other) const -

{ return

never executed: return step == other.step;

step == other.step;

never executed: return step == other.step;

}

41 qreal step; -

42 qreal value; -

43 }; -

44 QVector<Pair> xPosition; -

45 QVector<Pair> yPosition; -

46 QVector<Pair> rotation; -

47 QVector<Pair> verticalScale; -

48 QVector<Pair> horizontalScale; -

49 QVector<Pair> verticalShear; -

50 QVector<Pair> horizontalShear; -

51 QVector<Pair> xTranslation; -

52 QVector<Pair> yTranslation; -

53 -

54 qreal linearValueForStep(qreal step, const QVector<Pair> &source, qreal defaultValue = 0); -

55 void insertUniquePair(qreal step, qreal value, QVector<Pair> *binList, const char* method); -

56 }; -

57 template<> class QTypeInfo<QGraphicsItemAnimationPrivate::Pair > { public: enum { isComplex = (((Q_PRIMITIVE_TYPE) & Q_PRIMITIVE_TYPE) == 0), isStatic = (((Q_PRIMITIVE_TYPE) & (Q_MOVABLE_TYPE | Q_PRIMITIVE_TYPE)) == 0), isRelocatable = !isStatic || ((Q_PRIMITIVE_TYPE) & Q_RELOCATABLE_TYPE), isLarge = (sizeof(QGraphicsItemAnimationPrivate::Pair)>sizeof(void*)), isPointer = false, isIntegral = QtPrivate::is_integral< QGraphicsItemAnimationPrivate::Pair >::value, isDummy = (((Q_PRIMITIVE_TYPE) & Q_DUMMY_TYPE) != 0), sizeOf = sizeof(QGraphicsItemAnimationPrivate::Pair) }; static inline const char *name() { return "QGraphicsItemAnimationPrivate::Pair"; } }; -

58 -

59 qreal QGraphicsItemAnimationPrivate::linearValueForStep(qreal step, const QVector<Pair> &source, qreal defaultValue) -

60 { -

if (source.isEmpty()

source.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

)

return

never executed: return defaultValue;

defaultValue;

never executed: return defaultValue;

63 step = qMin<qreal>(qMax<qreal>(step, 0), 1); -

64 -

if (step == 1

step == 1	Description
TRUE	never evaluated
FALSE	never evaluated

)

return

never executed: return source.back().value;

source.back().value;

never executed: return source.back().value;

67 -

68 qreal stepBefore = 0; -

69 qreal stepAfter = 1; -

qreal valueBefore = source.front().step == 0

source.front().step == 0	Description
TRUE	never evaluated
FALSE	never evaluated

? source.front().value : defaultValue;

71 qreal valueAfter = source.back().value; -

72 -

73 -

for (int i = 0; i < source.size()

i < source.size()	Description
TRUE	never evaluated
FALSE	never evaluated

&& step >= source[i].step

step >= source[i].step	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i) {

75 stepBefore = source[i].step; -

76 valueBefore = source[i].value; -

}

never executed: end of block

78 -

79 -

for (int i = source.size() - 1; i >= 0

i >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

&& step < source[i].step

step < source[i].step	Description
TRUE	never evaluated
FALSE	never evaluated

; --i) {

81 stepAfter = source[i].step; -

82 valueAfter = source[i].value; -

}

never executed: end of block

84 -

85 -

return

never executed: return valueBefore + (valueAfter - valueBefore) * ((step - stepBefore) / (stepAfter - stepBefore));

valueBefore + (valueAfter - valueBefore) * ((step - stepBefore) / (stepAfter - stepBefore));

never executed: return valueBefore + (valueAfter - valueBefore) * ((step - stepBefore) / (stepAfter - stepBefore));

87 } -

88 -

89 void QGraphicsItemAnimationPrivate::insertUniquePair(qreal step, qreal value, QVector<Pair> *binList, const char* method) -

90 { -

if (!check_step_valid(step, method)

!check_step_va...(step, method)	Description
TRUE	never evaluated
FALSE	never evaluated

)

return;

never executed: return;

93 -

94 const Pair pair = { step, value }; -

95 -

96 const QVector<Pair>::iterator result = std::lower_bound(binList->begin(), binList->end(), pair); -

if (result == binList->end()

result == binList->end()	Description
TRUE	never evaluated
FALSE	never evaluated

|| pair < *result

pair < *result	Description
TRUE	never evaluated
FALSE	never evaluated

)

binList->insert(result, pair);

never executed: binList->insert(result, pair);

99 else -

100

result->value = value;

never executed: result->value = value;

101 } -

102 -

103 -

104 -

105 -

106 QGraphicsItemAnimation::QGraphicsItemAnimation(QObject *parent) -

107 : QObject(parent), d(new QGraphicsItemAnimationPrivate) -

108 { -

109 d->q = this; -

110

}

never executed: end of block

111 -

112 -

113 -

114 -

115 QGraphicsItemAnimation::~QGraphicsItemAnimation() -

116 { -

117 delete d; -

118

}

never executed: end of block

119 -

120 -

121 -

122 -

123 -

124 -

125 QGraphicsItem *QGraphicsItemAnimation::item() const -

126 { -

127

return

never executed: return d->item;

d->item;

never executed: return d->item;

128 } -

129 -

130 -

131 -

132 -

133 -

134 -

135 void QGraphicsItemAnimation::setItem(QGraphicsItem *item) -

136 { -

137 d->item = item; -

138 d->startPos = d->item->pos(); -

139

}

never executed: end of block

140 -

141 -

142 -

143 -

144 -

145 -

146 -

147 QTimeLine *QGraphicsItemAnimation::timeLine() const -

148 { -

149

return

never executed: return d->timeLine;

d->timeLine;

never executed: return d->timeLine;

150 } -

151 -

152 -

153 -

154 -

155 -

156 -

157 -

158 void QGraphicsItemAnimation::setTimeLine(QTimeLine *timeLine) -

159 { -

160

if (d->timeLine == timeLine

d->timeLine == timeLine	Description
TRUE	never evaluated
FALSE	never evaluated

)

161

return;

never executed: return;

162

if (d->timeLine

d->timeLine	Description
TRUE	never evaluated
FALSE	never evaluated

)

163

delete d->timeLine;

never executed: delete d->timeLine;

164

if (!timeLine

!timeLine	Description
TRUE	never evaluated
FALSE	never evaluated

)

165

return;

never executed: return;

166 d->timeLine = timeLine; -

167 connect(timeLine, qFlagLocation("2""valueChanged(qreal)" "\0" __FILE__ ":" "255"), this, qFlagLocation("1""setStep(qreal)" "\0" __FILE__ ":" "255")); -

168

}

never executed: end of block

169 -

170 -

171 -

172 -

173 -

174 -

175 QPointF QGraphicsItemAnimation::posAt(qreal step) const -

176 { -

177 check_step_valid(step, "posAt"); -

178

return

never executed:

return QPointF(d->linearValueForStep(step, d->xPosition, d->startPos.x()), d->linearValueForStep(step, d->yPosition, d->startPos.y()));

QPointF(d->linearValueForStep(step, d->xPosition, d->startPos.x()),

never executed:

return QPointF(d->linearValueForStep(step, d->xPosition, d->startPos.x()), d->linearValueForStep(step, d->yPosition, d->startPos.y()));

179

d->linearValueForStep(step, d->yPosition, d->startPos.y()));

never executed:

return QPointF(d->linearValueForStep(step, d->xPosition, d->startPos.x()), d->linearValueForStep(step, d->yPosition, d->startPos.y()));

180 } -

181 void QGraphicsItemAnimation::setPosAt(qreal step, const QPointF &pos) -

182 { -

183 d->insertUniquePair(step, pos.x(), &d->xPosition, "setPosAt"); -

184 d->insertUniquePair(step, pos.y(), &d->yPosition, "setPosAt"); -

185

}

never executed: end of block

186 -

187 -

188 -

189 -

190 -

191 -

192 QList<QPair<qreal, QPointF> > QGraphicsItemAnimation::posList() const -

193 { -

194 QList<QPair<qreal, QPointF> > list; -

195 const int xPosCount = d->xPosition.size(); -

196 list.reserve(xPosCount); -

197

for (int i = 0; i < xPosCount

i < xPosCount	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

198

list << QPair<qreal, QPointF>(d->xPosition.at(i).step, QPointF(d->xPosition.at(i).value, d->yPosition.at(i).value));

never executed: list << QPair<qreal, QPointF>(d->xPosition.at(i).step, QPointF(d->xPosition.at(i).value, d->yPosition.at(i).value));

199 -

200

return

never executed: return list;

list;

never executed: return list;

201 } -

202 -

203 -

204 -

205 -

206 QMatrix QGraphicsItemAnimation::matrixAt(qreal step) const -

207 { -

208 check_step_valid(step, "matrixAt"); -

209 -

210 QMatrix matrix; -

211

if (!d->rotation.isEmpty()

!d->rotation.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

)

212

matrix.rotate(rotationAt(step));

never executed: matrix.rotate(rotationAt(step));

213

if (!d->verticalScale.isEmpty()

!d->verticalScale.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

)

214

matrix.scale(horizontalScaleAt(step), verticalScaleAt(step));

never executed: matrix.scale(horizontalScaleAt(step), verticalScaleAt(step));

215

if (!d->verticalShear.isEmpty()

!d->verticalShear.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

)

216

matrix.shear(horizontalShearAt(step), verticalShearAt(step));

never executed: matrix.shear(horizontalShearAt(step), verticalShearAt(step));

217

if (!d->xTranslation.isEmpty()

!d->xTranslation.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

)

218

matrix.translate(xTranslationAt(step), yTranslationAt(step));

never executed: matrix.translate(xTranslationAt(step), yTranslationAt(step));

219

return

never executed: return matrix;

matrix;

never executed: return matrix;

220 } -

221 -

222 -

223 -

224 -

225 -

226 -

227 qreal QGraphicsItemAnimation::rotationAt(qreal step) const -

228 { -

229 check_step_valid(step, "rotationAt"); -

230

return

never executed: return d->linearValueForStep(step, d->rotation);

d->linearValueForStep(step, d->rotation);

never executed: return d->linearValueForStep(step, d->rotation);

231 } -

232 -

233 -

234 -

235 -

236 -

237 -

238 void QGraphicsItemAnimation::setRotationAt(qreal step, qreal angle) -

239 { -

240 d->insertUniquePair(step, angle, &d->rotation, "setRotationAt"); -

241

}

never executed: end of block

242 -

243 -

244 -

245 -

246 -

247 -

248 QList<QPair<qreal, qreal> > QGraphicsItemAnimation::rotationList() const -

249 { -

250 QList<QPair<qreal, qreal> > list; -

251 const int numRotations = d->rotation.size(); -

252 list.reserve(numRotations); -

253

for (int i = 0; i < numRotations

i < numRotations	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

254

list << QPair<qreal, qreal>(d->rotation.at(i).step, d->rotation.at(i).value);

never executed: list << QPair<qreal, qreal>(d->rotation.at(i).step, d->rotation.at(i).value);

255 -

256

return

never executed: return list;

list;

never executed: return list;

257 } -

258 -

259 -

260 -

261 -

262 -

263 -

264 qreal QGraphicsItemAnimation::xTranslationAt(qreal step) const -

265 { -

266 check_step_valid(step, "xTranslationAt"); -

267

return

never executed: return d->linearValueForStep(step, d->xTranslation);

d->linearValueForStep(step, d->xTranslation);

never executed: return d->linearValueForStep(step, d->xTranslation);

268 } -

269 -

270 -

271 -

272 -

273 -

274 -

275 qreal QGraphicsItemAnimation::yTranslationAt(qreal step) const -

276 { -

277 check_step_valid(step, "yTranslationAt"); -

278

return

never executed: return d->linearValueForStep(step, d->yTranslation);

d->linearValueForStep(step, d->yTranslation);

never executed: return d->linearValueForStep(step, d->yTranslation);

279 } -

280 -

281 -

282 -

283 -

284 -

285 -

286 -

287 void QGraphicsItemAnimation::setTranslationAt(qreal step, qreal dx, qreal dy) -

288 { -

289 d->insertUniquePair(step, dx, &d->xTranslation, "setTranslationAt"); -

290 d->insertUniquePair(step, dy, &d->yTranslation, "setTranslationAt"); -

291

}

never executed: end of block

292 -

293 -

294 -

295 -

296 -

297 -

298 QList<QPair<qreal, QPointF> > QGraphicsItemAnimation::translationList() const -

299 { -

300 QList<QPair<qreal, QPointF> > list; -

301 const int numTranslations = d->xTranslation.size(); -

302 list.reserve(numTranslations); -

303

for (int i = 0; i < numTranslations

i < numTranslations	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

304

list << QPair<qreal, QPointF>(d->xTranslation.at(i).step, QPointF(d->xTranslation.at(i).value, d->yTranslation.at(i).value));

never executed:

list << QPair<qreal, QPointF>(d->xTranslation.at(i).step, QPointF(d->xTranslation.at(i).value, d->yTranslation.at(i).value));

305 -

306

return

never executed: return list;

list;

never executed: return list;

307 } -

308 -

309 -

310 -

311 -

312 -

313 -

314 qreal QGraphicsItemAnimation::verticalScaleAt(qreal step) const -

315 { -

316 check_step_valid(step, "verticalScaleAt"); -

317 -

318

return

never executed: return d->linearValueForStep(step, d->verticalScale, 1);

d->linearValueForStep(step, d->verticalScale, 1);

never executed: return d->linearValueForStep(step, d->verticalScale, 1);

319 } -

320 -

321 -

322 -

323 -

324 -

325 -

326 qreal QGraphicsItemAnimation::horizontalScaleAt(qreal step) const -

327 { -

328 check_step_valid(step, "horizontalScaleAt"); -

329

return

never executed: return d->linearValueForStep(step, d->horizontalScale, 1);

d->linearValueForStep(step, d->horizontalScale, 1);

never executed: return d->linearValueForStep(step, d->horizontalScale, 1);

330 } -

331 -

332 -

333 -

334 -

335 -

336 -

337 -

338 void QGraphicsItemAnimation::setScaleAt(qreal step, qreal sx, qreal sy) -

339 { -

340 d->insertUniquePair(step, sx, &d->horizontalScale, "setScaleAt"); -

341 d->insertUniquePair(step, sy, &d->verticalScale, "setScaleAt"); -

342

}

never executed: end of block

343 -

344 -

345 -

346 -

347 -

348 -

349 QList<QPair<qreal, QPointF> > QGraphicsItemAnimation::scaleList() const -

350 { -

351 QList<QPair<qreal, QPointF> > list; -

352 const int numScales = d->horizontalScale.size(); -

353 list.reserve(numScales); -

354

for (int i = 0; i < numScales

i < numScales	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

355

list << QPair<qreal, QPointF>(d->horizontalScale.at(i).step, QPointF(d->horizontalScale.at(i).value, d->verticalScale.at(i).value));

never executed:

list << QPair<qreal, QPointF>(d->horizontalScale.at(i).step, QPointF(d->horizontalScale.at(i).value, d->verticalScale.at(i).value));

356 -

357

return

never executed: return list;

list;

never executed: return list;

358 } -

359 -

360 -

361 -

362 -

363 -

364 -

365 qreal QGraphicsItemAnimation::verticalShearAt(qreal step) const -

366 { -

367 check_step_valid(step, "verticalShearAt"); -

368

return

never executed: return d->linearValueForStep(step, d->verticalShear, 0);

d->linearValueForStep(step, d->verticalShear, 0);

never executed: return d->linearValueForStep(step, d->verticalShear, 0);

369 } -

370 -

371 -

372 -

373 -

374 -

375 -

376 qreal QGraphicsItemAnimation::horizontalShearAt(qreal step) const -

377 { -

378 check_step_valid(step, "horizontalShearAt"); -

379

return

never executed: return d->linearValueForStep(step, d->horizontalShear, 0);

d->linearValueForStep(step, d->horizontalShear, 0);

never executed: return d->linearValueForStep(step, d->horizontalShear, 0);

380 } -

381 -

382 -

383 -

384 -

385 -

386 -

387 -

388 void QGraphicsItemAnimation::setShearAt(qreal step, qreal sh, qreal sv) -

389 { -

390 d->insertUniquePair(step, sh, &d->horizontalShear, "setShearAt"); -

391 d->insertUniquePair(step, sv, &d->verticalShear, "setShearAt"); -

392

}

never executed: end of block

393 -

394 -

395 -

396 -

397 -

398 -

399 QList<QPair<qreal, QPointF> > QGraphicsItemAnimation::shearList() const -

400 { -

401 QList<QPair<qreal, QPointF> > list; -

402 const int numShears = d->horizontalShear.size(); -

403 list.reserve(numShears); -

404

for (int i = 0; i < numShears

i < numShears	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

405

list << QPair<qreal, QPointF>(d->horizontalShear.at(i).step, QPointF(d->horizontalShear.at(i).value, d->verticalShear.at(i).value));

never executed:

list << QPair<qreal, QPointF>(d->horizontalShear.at(i).step, QPointF(d->horizontalShear.at(i).value, d->verticalShear.at(i).value));

406 -

407

return

never executed: return list;

list;

never executed: return list;

408 } -

409 -

410 -

411 -

412 -

413 -

414 void QGraphicsItemAnimation::clear() -

415 { -

416 d->xPosition.clear(); -

417 d->yPosition.clear(); -

418 d->rotation.clear(); -

419 d->verticalScale.clear(); -

420 d->horizontalScale.clear(); -

421 d->verticalShear.clear(); -

422 d->horizontalShear.clear(); -

423 d->xTranslation.clear(); -

424 d->yTranslation.clear(); -

425

}

never executed: end of block

426 -

427 -

428 -

429 -

430 -

431 -

432 -

433 void QGraphicsItemAnimation::setStep(qreal step) -

434 { -

435

if (!check_step_valid(step, "setStep")

!check_step_va...ep, "setStep")	Description
TRUE	never evaluated
FALSE	never evaluated

)

436

return;

never executed: return;

437 -

438 beforeAnimationStep(step); -

439 -

440 d->step = step; -

441

if (d->item

d->item	Description
TRUE	never evaluated
FALSE	never evaluated

) {

442

if (!d->xPosition.isEmpty()

!d->xPosition.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

|| !d->yPosition.isEmpty()

!d->yPosition.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

)

443

d->item->setPos(posAt(step));

never executed: d->item->setPos(posAt(step));

444

if (!d->rotation.isEmpty()

!d->rotation.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

445

|| !d->verticalScale.isEmpty()

!d->verticalScale.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

446

|| !d->horizontalScale.isEmpty()

!d->horizontalScale.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

447

|| !d->verticalShear.isEmpty()

!d->verticalShear.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

448

|| !d->horizontalShear.isEmpty()

!d->horizontalShear.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

449

|| !d->xTranslation.isEmpty()

!d->xTranslation.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

450

|| !d->yTranslation.isEmpty()

!d->yTranslation.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

451 d->item->setMatrix(d->startMatrix * matrixAt(step)); -

452

}

never executed: end of block

453

}

never executed: end of block

454 -

455 afterAnimationStep(step); -

456

}

never executed: end of block

457 void QGraphicsItemAnimation::reset() -

458 { -

459

if (!d->item

!d->item	Description
TRUE	never evaluated
FALSE	never evaluated

)

460

return;

never executed: return;

461 d->startPos = d->item->pos(); -

462 d->startMatrix = d->item->matrix(); -

463

}

never executed: end of block

464 void QGraphicsItemAnimation::beforeAnimationStep(qreal step) -

465 { -

466 (void)step;; -

467

}

never executed: end of block

468 void QGraphicsItemAnimation::afterAnimationStep(qreal step) -

469 { -

470 (void)step;; -

471

}

never executed: end of block

472 -

473 -

474 -

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