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qquickimageprovider.cpp

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38 ****************************************************************************/ -

39 -

40 #include "qquickimageprovider.h" -

41 -

42 #include "qquickimageprovider_p.h" -

43 #include "qquickpixmapcache_p.h" -

44 #include <QtQuick/private/qsgcontext_p.h> -

45 #include <private/qqmlglobal_p.h> -

46 -

47 QT_BEGIN_NAMESPACE -

48 -

49 /*! -

50 \class QQuickTextureFactory -

51 \since 5.0 -

52 \brief The QQuickTextureFactory class provides an interface for loading custom textures from QML. -

53 \inmodule QtQuick -

54 -

55 The purpose of the texture factory is to provide a placeholder for a image -

56 data that can be converted into an OpenGL texture. -

57 -

58 Creating a texture directly is not possible as there is rarely an OpenGL context -

59 available in the thread that is responsible for loading the image data. -

60 */ -

61 -

62 /*! -

63 Constructs a texture factory. Since QQuickTextureFactory is abstract, it -

64 cannot be instantiated directly. -

65 */ -

66 -

67 QQuickTextureFactory::QQuickTextureFactory() -

68 { -

69 } -

70 -

71 /*! -

72 Destroys the texture factory. -

73 */ -

74 -

75 QQuickTextureFactory::~QQuickTextureFactory() -

76 { -

77 } -

78 -

79 /*! -

80 \fn int QQuickTextureFactory::textureByteCount() const -

81 -

82 Returns the number of bytes of memory the texture consumes. -

83 */ -

84 -

85 /*! -

86 \fn QImage QQuickTextureFactory::image() const -

87 -

88 Returns an image version of this texture. -

89 -

90 The lifespan of the returned image is unknown, so the implementation should -

91 return a self contained QImage, not make use of the QImage(uchar *, ...) -

92 constructor. -

93 -

94 This function is not commonly used and is expected to be slow. -

95 */ -

96 -

97 QImage QQuickTextureFactory::image() const -

98 { -

return QImage();

never executed: return QImage();

100 } -

101 -

102 /*! -

103 Returns a QQuickTextureFactory holding the given \a image. -

104 -

105 This is typically used as a helper in QQuickImageResponse::textureFactory. -

106 -

107 \since 5.6 -

108 */ -

109 -

110 QQuickTextureFactory *QQuickTextureFactory::textureFactoryForImage(const QImage &image) -

111 { -

112

if (image.isNull())

image.isNull()

Description

TRUE

evaluated 22 times by 6 tests

Evaluated by:

tst_examples
tst_qquickborderimage
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache
tst_qquicktextedit

FALSE

evaluated 8874 times by 37 tests

Evaluated by:

tst_examples
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
tst_qquickpointattractor
tst_qquickpointdirection
tst_qquickrectangleextruder
...

22-8874

113

return nullptr;

executed 22 times by 6 tests: return nullptr;

Executed by:

tst_examples
tst_qquickborderimage
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache
tst_qquicktextedit

114 QQuickTextureFactory *texture = QSGContext::createTextureFactoryFromImage(image); -

115

if (texture)

texture

Description

TRUE

never evaluated

FALSE

evaluated 8874 times by 37 tests

Evaluated by:

tst_examples
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
tst_qquickpointattractor
tst_qquickpointdirection
tst_qquickrectangleextruder
...

0-8874

116

return texture;

never executed: return texture;

117

return new QQuickDefaultTextureFactory(image);

executed 8874 times by 37 tests: return new QQuickDefaultTextureFactory(image);

Executed by:

tst_examples
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
tst_qquickpointattractor
tst_qquickpointdirection
tst_qquickrectangleextruder
...

8874

118 } -

119 -

120 -

121 -

122 /*! -

123 \fn QSGTexture *QQuickTextureFactory::createTexture(QQuickWindow *window) const -

124 -

125 This function is called on the scene graph rendering thread to create a QSGTexture -

126 instance from the factory. \a window provides the context which this texture is -

127 created in. -

128 -

129 QML will internally cache the returned texture as needed. Each call to this -

130 function should return a unique instance. -

131 -

132 The OpenGL context used for rendering is bound when this function is called. -

133 */ -

134 -

135 /*! -

136 \fn QSize QQuickTextureFactory::textureSize() const -

137 -

138 Returns the size of the texture. This function will be called from arbitrary threads -

139 and should not rely on an OpenGL context bound. -

140 */ -

141 -

142 -

143 /*! -

144 \class QQuickImageResponse -

145 \since 5.6 -

146 \brief The QQuickImageResponse class provides an interface for asynchronous image loading in QQuickAsyncImageProvider. -

147 \inmodule QtQuick -

148 -

149 The purpose of an image response is to provide a way for image provider jobs to be executed -

150 in an asynchronous way. -

151 -

152 Responses are deleted via \l deleteLater once the finished() signal has been emitted. -

153 If you are using QRunnable as base for your QQuickImageResponse -

154 ensure automatic deletion is disabled. -

155 -

156 See the \l {imageresponseprovider}{Image Response Provider Example} for a complete implementation. -

157 -

158 \sa QQuickImageProvider -

159 */ -

160 -

161 /*! -

162 Constructs the image response -

163 */ -

164 QQuickImageResponse::QQuickImageResponse() -

165 : QObject(*(new QQuickImageResponsePrivate)) -

166 { -

167

qmlobject_connect(this, QQuickImageResponse, SIGNAL(finished()),

executed 2 times by 1 test: end of block

Executed by:

tst_qquickimageprovider

executed 2 times by 1 test: methodIdx = QQuickImageResponse::staticMetaObject.indexOfSlot(method+1);

Executed by:

tst_qquickimageprovider

never executed: methodIdx = QQuickImageResponse::staticMetaObject.indexOfSignal(method+1);

signalIdx < 0	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquickimageprovider
FALSE	evaluated 14 times by 1 test Evaluated by: tst_qquickimageprovider

methodIdx < 0	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquickimageprovider
FALSE	evaluated 14 times by 1 test Evaluated by: tst_qquickimageprovider

code == 1	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquickimageprovider
FALSE	never evaluated

0-14

168 this, QQuickImageResponse, SLOT(_q_finished())); -

169

}

executed 16 times by 1 test: end of block

Executed by:

tst_qquickimageprovider

170 -

171 /*! -

172 Destructs the image response -

173 */ -

174 QQuickImageResponse::~QQuickImageResponse() -

175 { -

176 } -

177 -

178 /*! -

179 Returns the error string for the job execution. An empty string means no error. -

180 */ -

181 QString QQuickImageResponse::errorString() const -

182 { -

183

return QString();

executed 16 times by 1 test: return QString();

Executed by:

tst_qquickimageprovider

184 } -

185 -

186 /*! -

187 This method is used to communicate that the response is no longer required by the engine. -

188 -

189 It may be reimplemented to cancel a request in the provider side, however, it is not mandatory. -

190 -

191 A cancelled QQuickImageResponse still needs to emit finished() so that the -

192 engine may clean up the QQuickImageResponse. -

193 -

194 \note finished() should not be emitted until the response is complete, -

195 regardless of whether or not cancel() was called. If it is called prematurely, -

196 the engine may destroy the response while it is still active, leading to a crash. -

197 */ -

198 void QQuickImageResponse::cancel() -

199 { -

200 } -

201 -

202 /*! -

203 \fn void QQuickImageResponse::finished() -

204 -

205 Signals that the job execution has finished (be it successfully, because an -

206 error happened or because it was cancelled). -

207 -

208 \note Emission of this signal must be the final action the response performs: -

209 once the signal is received, the response will subsequently be destroyed by -

210 the engine. -

211 */ -

212 -

213 /*! -

214 \fn QQuickTextureFactory *QQuickImageResponse::textureFactory() const -

215 -

216 Returns the texture factory for the job. You can use QQuickTextureFactory::textureFactoryForImage -

217 if your provider works with QImage. The engine takes ownership of the returned QQuickTextureFactory. -

218 -

219 \note This method will be called only when needed. For example, it may not be called if there is an -

220 error or the job is cancelled. Therefore, allocate the QQuickTextureFactory instance only in this -

221 method or otherwise ensure its deletion. -

222 */ -

223 -

224 -

225 /*! -

226 \class QQuickImageProvider -

227 \since 5.0 -

228 \inmodule QtQuick -

229 \brief The QQuickImageProvider class provides an interface for supporting pixmaps and threaded image requests in QML. -

230 -

231 QQuickImageProvider is used to provide advanced image loading features -

232 in QML applications. It allows images in QML to be: -

233 -

234 \list -

235 \li Loaded using QPixmaps rather than actual image files -

236 \li Loaded asynchronously in a separate thread -

237 \endlist -

238 -

239 To specify that an image should be loaded by an image provider, use the -

240 \b {"image:"} scheme for the URL source of the image, followed by the -

241 identifiers of the image provider and the requested image. For example: -

242 -

243 \qml -

244 Image { source: "image://myimageprovider/image.png" } -

245 \endqml -

246 -

247 This specifies that the image should be loaded by the image provider named -

248 "myimageprovider", and the image to be loaded is named "image.png". The QML engine -

249 invokes the appropriate image provider according to the providers that have -

250 been registered through QQmlEngine::addImageProvider(). -

251 -

252 Note that the identifiers are case-insensitive, but the rest of the URL will be passed on with -

253 preserved case. For example, the below snippet would still specify that the image is loaded by the -

254 image provider named "myimageprovider", but it would request a different image than the above snippet -

255 ("Image.png" instead of "image.png"). -

256 \qml -

257 Image { source: "image://MyImageProvider/Image.png" } -

258 \endqml -

259 -

260 If you want the rest of the URL to be case insensitive, you will have to take care -

261 of that yourself inside your image provider. -

262 -

263 \section2 An Example -

264 -

265 Here are two images. Their \c source values indicate they should be loaded by -

266 an image provider named "colors", and the images to be loaded are "yellow" -

267 and "red", respectively: -

268 -

269 \snippet imgprovider/imageprovider-example.qml 0 -

270 -

271 When these images are loaded by QML, it looks for a matching image provider -

272 and calls its requestImage() or requestPixmap() method (depending on its -

273 imageType()) to load the image. The method is called with the \c id -

274 parameter set to "yellow" for the first image, and "red" for the second. -

275 -

276 Here is an image provider implementation that can load the images -

277 requested by the above QML. This implementation dynamically -

278 generates QPixmap images that are filled with the requested color: -

279 -

280 \snippet imgprovider/imageprovider.cpp 0 -

281 -

282 To make this provider accessible to QML, it is registered with the QML engine -

283 with a "colors" identifier: -

284 -

285 \snippet imgprovider/imageprovider.cpp 1 -

286 \codeline -

287 \snippet imgprovider/imageprovider.cpp 2 -

288 -

289 Now the images can be successfully loaded in QML: -

290 -

291 \image imageprovider.png -

292 -

293 See the \l {imageprovider}{Image Provider Example} for the complete implementation. -

294 Note that the example registers the provider via a \l{QQmlExtensionPlugin}{plugin} -

295 instead of registering it in the application \c main() function as shown above. -

296 -

297 -

298 \section2 Asynchronous Image Loading -

299 -

300 Image providers that support QImage or Texture loading automatically include support -

301 for asychronous loading of images. To enable asynchronous loading for an -

302 image source, set the \c asynchronous property to \c true for the relevant -

303 \l Image, \l BorderImage or \l AnimatedImage object. When this is enabled, -

304 the image request to the provider is run in a low priority thread, -

305 allowing image loading to be executed in the background, and reducing the -

306 performance impact on the user interface. -

307 -

308 To force asynchronous image loading, even for image sources that do not -

309 have the \c asynchronous property set to \c true, you may pass the -

310 \c QQmlImageProviderBase::ForceAsynchronousImageLoading flag to the image -

311 provider constructor. This ensures that all image requests for the -

312 provider are handled in a separate thread. -

313 -

314 Asynchronous loading for image providers that provide QPixmap is only supported -

315 in platforms that have the ThreadedPixmaps feature, in platforms where -

316 pixmaps can only be created in the main thread (i.e. ThreadedPixmaps is not supported) -

317 if \l {Image::}{asynchronous} is set to \c true, the value is ignored -

318 and the image is loaded synchronously. -

319 -

320 Asynchronous image loading for providers of type other than ImageResponse are -

321 executed on a single thread per engine basis. That means that a slow image provider -

322 will block the loading of any other request. To avoid that we suggest using QQuickAsyncImageProvider -

323 and implement threading on the provider side via a \c QThreadPool or similar. -

324 See the \l {imageresponseprovider}{Image Response Provider Example} for a complete implementation. -

325 -

326 -

327 \section2 Image Caching -

328 -

329 Images returned by a QQuickImageProvider are automatically cached, -

330 similar to any image loaded by the QML engine. When an image with a -

331 "image://" prefix is loaded from cache, requestImage() and requestPixmap() -

332 will not be called for the relevant image provider. If an image should always -

333 be fetched from the image provider, and should not be cached at all, set the -

334 \c cache property to \c false for the relevant \l Image, \l BorderImage or -

335 \l AnimatedImage object. -

336 -

337 The \l {Qt Quick 1} version of this class is named QDeclarativeImageProvider. -

338 -

339 \sa QQmlEngine::addImageProvider() -

340 */ -

341 -

342 /*! -

343 Creates an image provider that will provide images of the given \a type and -

344 behave according to the given \a flags. -

345 */ -

346 QQuickImageProvider::QQuickImageProvider(ImageType type, Flags flags) -

347 : d(new QQuickImageProviderPrivate) -

348 { -

349 d->type = type; -

350 d->flags = flags; -

351 d->isProviderWithOptions = false; -

352

}

executed 116 times by 5 tests: end of block

Executed by:

tst_qquickanimatedsprite
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache
tst_sharedimage

116

353 -

354 /*! -

355 Destroys the QQuickImageProvider -

356 -

357 \note The destructor of your derived class need to be thread safe. -

358 */ -

359 QQuickImageProvider::~QQuickImageProvider() -

360 { -

361 delete d; -

362

}

executed 116 times by 5 tests: end of block

Executed by:

tst_qquickanimatedsprite
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache
tst_sharedimage

116

363 -

364 /*! -

365 Returns the image type supported by this provider. -

366 */ -

367 QQuickImageProvider::ImageType QQuickImageProvider::imageType() const -

368 { -

369

return d->type;

executed 8116 times by 5 tests: return d->type;

Executed by:

tst_qquickanimatedsprite
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache
tst_sharedimage

8116

370 } -

371 -

372 /*! -

373 Returns the flags set for this provider. -

374 */ -

375 QQuickImageProvider::Flags QQuickImageProvider::flags() const -

376 { -

377

return d->flags;

executed 8182 times by 5 tests: return d->flags;

Executed by:

tst_qquickanimatedsprite
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache
tst_sharedimage

8182

378 } -

379 -

380 /*! -

381 Implement this method to return the image with \a id. The default -

382 implementation returns an empty image. -

383 -

384 The \a id is the requested image source, with the "image:" scheme and -

385 provider identifier removed. For example, if the image \l{Image::}{source} -

386 was "image://myprovider/icons/home", the given \a id would be "icons/home". -

387 -

388 The \a requestedSize corresponds to the \l {Image::sourceSize} requested by -

389 an Image item. If \a requestedSize is a valid size, the image -

390 returned should be of that size. -

391 -

392 In all cases, \a size must be set to the original size of the image. This -

393 is used to set the \l {Item::}{width} and \l {Item::}{height} of the -

394 relevant \l Image if these values have not been set explicitly. -

395 -

396 \note this method may be called by multiple threads, so ensure the -

397 implementation of this method is reentrant. -

398 */ -

399 QImage QQuickImageProvider::requestImage(const QString &id, QSize *size, const QSize& requestedSize) -

400 { -

401 Q_UNUSED(id); -

402 Q_UNUSED(size); -

403 Q_UNUSED(requestedSize); -

404

if (d->type == Image)

d->type == Image	Description
TRUE	never evaluated
FALSE	never evaluated

405

qWarning("ImageProvider supports Image type but has not implemented requestImage()");

never executed:

QMessageLogger(__FILE__, 405, __PRETTY_FUNCTION__).warning("ImageProvider supports Image type but has not implemented requestImage()");

406

return QImage();

never executed: return QImage();

407 } -

408 -

409 /*! -

410 Implement this method to return the pixmap with \a id. The default -

411 implementation returns an empty pixmap. -

412 -

413 The \a id is the requested image source, with the "image:" scheme and -

414 provider identifier removed. For example, if the image \l{Image::}{source} -

415 was "image://myprovider/icons/home", the given \a id would be "icons/home". -

416 -

417 The \a requestedSize corresponds to the \l {Image::sourceSize} requested by -

418 an Image item. If \a requestedSize is a valid size, the image -

419 returned should be of that size. -

420 -

421 In all cases, \a size must be set to the original size of the image. This -

422 is used to set the \l {Item::}{width} and \l {Item::}{height} of the -

423 relevant \l Image if these values have not been set explicitly. -

424 -

425 \note this method may be called by multiple threads, so ensure the -

426 implementation of this method is reentrant. -

427 */ -

428 QPixmap QQuickImageProvider::requestPixmap(const QString &id, QSize *size, const QSize& requestedSize) -

429 { -

430 Q_UNUSED(id); -

431 Q_UNUSED(size); -

432 Q_UNUSED(requestedSize); -

433

if (d->type == Pixmap)

d->type == Pixmap	Description
TRUE	never evaluated
FALSE	never evaluated

434

qWarning("ImageProvider supports Pixmap type but has not implemented requestPixmap()");

never executed:

QMessageLogger(__FILE__, 434, __PRETTY_FUNCTION__).warning("ImageProvider supports Pixmap type but has not implemented requestPixmap()");

435

return QPixmap();

never executed: return QPixmap();

436 } -

437 -

438 -

439 /*! -

440 Implement this method to return the texture with \a id. The default -

441 implementation returns 0. -

442 -

443 The \a id is the requested image source, with the "image:" scheme and -

444 provider identifier removed. For example, if the image \l{Image::}{source} -

445 was "image://myprovider/icons/home", the given \a id would be "icons/home". -

446 -

447 The \a requestedSize corresponds to the \l {Image::sourceSize} requested by -

448 an Image item. If \a requestedSize is a valid size, the image -

449 returned should be of that size. -

450 -

451 In all cases, \a size must be set to the original size of the image. This -

452 is used to set the \l {Item::}{width} and \l {Item::}{height} of the -

453 relevant \l Image if these values have not been set explicitly. -

454 -

455 \note this method may be called by multiple threads, so ensure the -

456 implementation of this method is reentrant. -

457 */ -

458 -

459 QQuickTextureFactory *QQuickImageProvider::requestTexture(const QString &id, QSize *size, const QSize &requestedSize) -

460 { -

461 Q_UNUSED(id); -

462 Q_UNUSED(size); -

463 Q_UNUSED(requestedSize); -

464

if (d->type == Texture)

d->type == Texture	Description
TRUE	never evaluated
FALSE	never evaluated

465

qWarning("ImageProvider supports Texture type but has not implemented requestTexture()");

never executed:

QMessageLogger(__FILE__, 465, __PRETTY_FUNCTION__).warning("ImageProvider supports Texture type but has not implemented requestTexture()");

466

return nullptr;

never executed: return nullptr;

467 } -

468 -

469 /*! -

470 \class QQuickAsyncImageProvider -

471 \since 5.6 -

472 \inmodule QtQuick -

473 \brief The QQuickAsyncImageProvider class provides an interface for for asynchronous control of QML image requests. -

474 -

475 See the \l {imageresponseprovider}{Image Response Provider Example} for a complete implementation. -

476 -

477 \sa QQuickImageProvider -

478 */ -

479 QQuickAsyncImageProvider::QQuickAsyncImageProvider() -

480 : QQuickImageProvider(ImageResponse, ForceAsynchronousImageLoading) -

481 , d(nullptr) // just as a placeholder in case we need it for the future -

482 { -

483 Q_UNUSED(d); -

484

}

executed 20 times by 2 tests: end of block

Executed by:

tst_qquickimageprovider
tst_sharedimage

485 -

486 QQuickAsyncImageProvider::~QQuickAsyncImageProvider() -

487 { -

488 } -

489 -

490 /*! -

491 \fn QQuickImageResponse *QQuickAsyncImageProvider::requestImageResponse(const QString &id, const QSize &requestedSize) -

492 -

493 Implement this method to return the job that will provide the texture with \a id. -

494 -

495 The \a id is the requested image source, with the "image:" scheme and -

496 provider identifier removed. For example, if the image \l{Image::}{source} -

497 was "image://myprovider/icons/home", the given \a id would be "icons/home". -

498 -

499 The \a requestedSize corresponds to the \l {Image::sourceSize} requested by -

500 an Image item. If \a requestedSize is a valid size, the image -

501 returned should be of that size. -

502 -

503 \note this method may be called by multiple threads, so ensure the -

504 implementation of this method is reentrant. -

505 */ -

506 -

507 -

508 class QQuickImageProviderOptionsPrivate : public QSharedData -

509 { -

510 public: -

511 QQuickImageProviderOptionsPrivate() -

512 { -

513 } -

514 -

515 QQuickImageProviderOptions::AutoTransform autoTransform = QQuickImageProviderOptions::UsePluginDefaultTransform; -

516 bool preserveAspectRatioCrop = false; -

517 bool preserveAspectRatioFit = false; -

518 }; -

519 -

520 /*! -

521 \class QQuickImageProviderOptions -

522 \brief The QQuickImageProviderOptions class provides options for QQuickImageProviderWithOptions image requests. -

523 \inmodule QtQuick -

524 \internal -

525 -

526 \sa QQuickImageProviderWithOptions -

527 */ -

528 -

529 /*! -

530 \enum QQuickImageProviderOptions::AutoTransform -

531 -

532 Whether the image provider should apply transformation metadata on read(). -

533 -

534 \value UsePluginDefaultTransform Image provider should do its default behavior on whether applying transformation metadata on read or not -

535 \value ApplyTransform Image provider should apply transformation metadata on read -

536 \value DoNotApplyTransform Image provider should not apply transformation metadata on read -

537 */ -

538 -

539 QQuickImageProviderOptions::QQuickImageProviderOptions() -

540 : d(new QQuickImageProviderOptionsPrivate()) -

541 { -

542

}

executed 16891 times by 42 tests: end of block

Executed by:

tst_examples
tst_qqmlecmascript
tst_qqmlinfo
tst_qquickage
tst_qquickanchors
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitem
tst_qquickitem2
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
...

16891

543 -

544 QQuickImageProviderOptions::~QQuickImageProviderOptions() -

545 { -

546 } -

547 -

548 QQuickImageProviderOptions::QQuickImageProviderOptions(const QQuickImageProviderOptions &other) -

549 : d(other.d) -

550 { -

551

}

executed 63745 times by 40 tests: end of block

Executed by:

tst_examples
tst_qqmlecmascript
tst_qquickage
tst_qquickanchors
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitem2
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
...

63745

552 -

553 QQuickImageProviderOptions& QQuickImageProviderOptions::operator=(const QQuickImageProviderOptions &other) -

554 { -

555 d = other.d; -

556

return *this;

executed 16 times by 1 test: return *this;

Executed by:

tst_sharedimage

557 } -

558 -

559 bool QQuickImageProviderOptions::operator==(const QQuickImageProviderOptions &other) const -

560 { -

561

return d->autoTransform == other.d->autoTransform &&

executed 16503 times by 39 tests:

return d->autoTransform == other.d->autoTransform && d->preserveAspectRatioCrop == other.d->preserveAspectRatioCrop && d->preserveAspectRatioFit == other.d->preserveAspectRatioFit;

Executed by:

tst_examples
tst_qqmlecmascript
tst_qquickage
tst_qquickanchors
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitem2
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
...

16503

562

d->preserveAspectRatioCrop == other.d->preserveAspectRatioCrop &&

executed 16503 times by 39 tests:

return d->autoTransform == other.d->autoTransform && d->preserveAspectRatioCrop == other.d->preserveAspectRatioCrop && d->preserveAspectRatioFit == other.d->preserveAspectRatioFit;

Executed by:

tst_examples
tst_qqmlecmascript
tst_qquickage
tst_qquickanchors
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitem2
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
...

16503

563

d->preserveAspectRatioFit == other.d->preserveAspectRatioFit;

executed 16503 times by 39 tests:

return d->autoTransform == other.d->autoTransform && d->preserveAspectRatioCrop == other.d->preserveAspectRatioCrop && d->preserveAspectRatioFit == other.d->preserveAspectRatioFit;

Executed by:

tst_examples
tst_qqmlecmascript
tst_qquickage
tst_qquickanchors
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitem2
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
...

16503

564 } -

565 -

566 /*! -

567 Returns whether the image provider should apply transformation metadata on read(). -

568 */ -

569 QQuickImageProviderOptions::AutoTransform QQuickImageProviderOptions::autoTransform() const -

570 { -

571

return d->autoTransform;

executed 45645 times by 40 tests: return d->autoTransform;

Executed by:

tst_examples
tst_qqmlecmascript
tst_qquickage
tst_qquickanchors
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickimageprovider
tst_qquickitem2
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
...

45645

572 } -

573 -

574 void QQuickImageProviderOptions::setAutoTransform(QQuickImageProviderOptions::AutoTransform autoTransform) -

575 { -

576 d->autoTransform = autoTransform; -

577

}

never executed: end of block

578 -

579 /*! -

580 Returns whether the image request is for a PreserveAspectCrop Image. -

581 This allows the provider to better optimize the size of the returned image. -

582 */ -

583 bool QQuickImageProviderOptions::preserveAspectRatioCrop() const -

584 { -

585

return d->preserveAspectRatioCrop;

executed 152 times by 5 tests: return d->preserveAspectRatioCrop;

Executed by:

tst_examples
tst_qquickimage
tst_qquickshadereffect
tst_qquicktext
tst_sharedimage

152

586 } -

587 -

588 void QQuickImageProviderOptions::setPreserveAspectRatioCrop(bool preserveAspectRatioCrop) -

589 { -

590 d->preserveAspectRatioCrop = preserveAspectRatioCrop; -

591

}

executed 26 times by 2 tests: end of block

Executed by:

tst_examples
tst_qquickimage

592 -

593 /*! -

594 Returns whether the image request is for a PreserveAspectFit Image. -

595 This allows the provider to better optimize the size of the returned image. -

596 */ -

597 bool QQuickImageProviderOptions::preserveAspectRatioFit() const -

598 { -

599

return d->preserveAspectRatioFit;

executed 126 times by 5 tests: return d->preserveAspectRatioFit;

Executed by:

tst_examples
tst_qquickimage
tst_qquickshadereffect
tst_qquicktext
tst_sharedimage

126

600 } -

601 -

602 void QQuickImageProviderOptions::setPreserveAspectRatioFit(bool preserveAspectRatioFit) -

603 { -

604 d->preserveAspectRatioFit = preserveAspectRatioFit; -

605

}

executed 28 times by 2 tests: end of block

Executed by:

tst_qquickimage
tst_sharedimage

606 -

607 QQuickImageProviderWithOptions::QQuickImageProviderWithOptions(ImageType type, Flags flags) -

608 : QQuickAsyncImageProvider() -

609 { -

610 QQuickImageProvider::d->type = type; -

611 QQuickImageProvider::d->flags = flags; -

612 QQuickImageProvider::d->isProviderWithOptions = true; -

613

}

executed 16 times by 1 test: end of block

Executed by:

tst_sharedimage

614 -

615 QImage QQuickImageProviderWithOptions::requestImage(const QString &id, QSize *size, const QSize& requestedSize) -

616 { -

617

return requestImage(id, size, requestedSize, QQuickImageProviderOptions());

never executed: return requestImage(id, size, requestedSize, QQuickImageProviderOptions());

618 } -

619 -

620 QPixmap QQuickImageProviderWithOptions::requestPixmap(const QString &id, QSize *size, const QSize& requestedSize) -

621 { -

622

return requestPixmap(id, size, requestedSize, QQuickImageProviderOptions());

never executed: return requestPixmap(id, size, requestedSize, QQuickImageProviderOptions());

623 } -

624 -

625 QQuickTextureFactory *QQuickImageProviderWithOptions::requestTexture(const QString &id, QSize *size, const QSize &requestedSize) -

626 { -

627

return requestTexture(id, size, requestedSize, QQuickImageProviderOptions());

never executed: return requestTexture(id, size, requestedSize, QQuickImageProviderOptions());

628 } -

629 -

630 QImage QQuickImageProviderWithOptions::requestImage(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options) -

631 { -

632 Q_UNUSED(options); -

633

return QQuickAsyncImageProvider::requestImage(id, size, requestedSize);

never executed: return QQuickAsyncImageProvider::requestImage(id, size, requestedSize);

634 } -

635 -

636 QPixmap QQuickImageProviderWithOptions::requestPixmap(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options) -

637 { -

638 Q_UNUSED(options); -

639

return QQuickAsyncImageProvider::requestPixmap(id, size, requestedSize);

never executed: return QQuickAsyncImageProvider::requestPixmap(id, size, requestedSize);

640 } -

641 -

642 QQuickTextureFactory *QQuickImageProviderWithOptions::requestTexture(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options) -

643 { -

644 Q_UNUSED(options); -

645

return QQuickAsyncImageProvider::requestTexture(id, size, requestedSize);

never executed: return QQuickAsyncImageProvider::requestTexture(id, size, requestedSize);

646 } -

647 -

648 QQuickImageResponse *QQuickImageProviderWithOptions::requestImageResponse(const QString &id, const QSize &requestedSize) -

649 { -

650 Q_UNUSED(id); -

651 Q_UNUSED(requestedSize); -

652

if (imageType() == ImageResponse)

imageType() == ImageResponse	Description
TRUE	never evaluated
FALSE	never evaluated

653

qWarning("ImageProvider is of ImageResponse type but has not implemented requestImageResponse()");

never executed:

QMessageLogger(__FILE__, 653, __PRETTY_FUNCTION__).warning("ImageProvider is of ImageResponse type but has not implemented requestImageResponse()");

654

return nullptr;

never executed: return nullptr;

655 } -

656 -

657 QQuickImageResponse *QQuickImageProviderWithOptions::requestImageResponse(const QString &id, const QSize &requestedSize, const QQuickImageProviderOptions &options) -

658 { -

659 Q_UNUSED(options); -

660

return requestImageResponse(id, requestedSize);

never executed: return requestImageResponse(id, requestedSize);

661 } -

662 -

663 /*! -

664 Returns the recommended scaled image size for loading and storage. This is -

665 calculated according to the native pixel size of the image \a originalSize, -

666 the requested sourceSize \a requestedSize, the image file format \a format, -

667 and \a options. If the calculation otherwise concludes that scaled loading -

668 is not recommended, an invalid size is returned. -

669 */ -

670 QSize QQuickImageProviderWithOptions::loadSize(const QSize &originalSize, const QSize &requestedSize, const QByteArray &format, const QQuickImageProviderOptions &options) -

671 { -

672 QSize res; -

673

if ((requestedSize.width() <= 0 && requestedSize.height() <= 0) || originalSize.isEmpty())

requestedSize.width() <= 0

Description

TRUE

evaluated 726 times by 35 tests

Evaluated by:

tst_examples
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
tst_qquickpointattractor
tst_qquickpointdirection
tst_qquickrectangleextruder
tst_qquickshadereffect
tst_qquickspritegoal
...

FALSE

evaluated 36 times by 4 tests

Evaluated by:

tst_examples
tst_qquickimage
tst_qquicktext
tst_sharedimage

requestedSize.height() <= 0

Description

TRUE

evaluated 720 times by 35 tests

Evaluated by:

tst_examples
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
tst_qquickpointattractor
tst_qquickpointdirection
tst_qquickrectangleextruder
tst_qquickshadereffect
tst_qquickspritegoal
...

FALSE

evaluated 6 times by 2 tests

Evaluated by:

tst_qquickimage
tst_qquickshadereffect

originalSize.isEmpty()	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

0-726

674

return res;

executed 720 times by 35 tests: return res;

Executed by:

tst_examples
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedsprite
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickellipseextruder
tst_qquickfriction
tst_qquickgravity
tst_qquickgroupgoal
tst_qquickimage
tst_qquickimageparticle
tst_qquickitemparticle
tst_qquicklineextruder
tst_qquickmaskextruder
tst_qquickparticlegroup
tst_qquickparticlesystem
tst_qquickpixmapcache
tst_qquickpointattractor
tst_qquickpointdirection
tst_qquickrectangleextruder
tst_qquickshadereffect
tst_qquickspritegoal
...

720

675 -

676

const bool preserveAspectCropOrFit = options.preserveAspectRatioCrop() || options.preserveAspectRatioFit();

options.preser...ectRatioCrop()	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

options.preser...pectRatioFit()	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage
FALSE	evaluated 38 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

0-42

677

const bool formatIsSvg = (format == "svg" || format == "svgz");

format == "svg"	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

format == "svgz"	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

0-42

678 -

679

if (!preserveAspectCropOrFit && formatIsSvg && !requestedSize.isEmpty())

!preserveAspectCropOrFit	Description
TRUE	evaluated 38 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage
FALSE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage

formatIsSvg	Description
TRUE	never evaluated
FALSE	evaluated 38 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

!requestedSize.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

0-38

680

return requestedSize;

never executed: return requestedSize;

681 -

682 qreal ratio = 0.0; -

683

if (requestedSize.width() && (preserveAspectCropOrFit || formatIsSvg ||

requestedSize.width()	Description
TRUE	evaluated 36 times by 4 tests Evaluated by: tst_examples tst_qquickimage tst_qquicktext tst_sharedimage
FALSE	evaluated 6 times by 2 tests Evaluated by: tst_qquickimage tst_qquickshadereffect

preserveAspectCropOrFit	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage
FALSE	evaluated 32 times by 4 tests Evaluated by: tst_examples tst_qquickimage tst_qquicktext tst_sharedimage

formatIsSvg	Description
TRUE	never evaluated
FALSE	evaluated 32 times by 4 tests Evaluated by: tst_examples tst_qquickimage tst_qquicktext tst_sharedimage

0-36

684

requestedSize.width() < originalSize.width())) {

requestedSize....alSize.width()	Description
TRUE	evaluated 30 times by 4 tests Evaluated by: tst_examples tst_qquickimage tst_qquicktext tst_sharedimage
FALSE	evaluated 2 times by 1 test Evaluated by: tst_qquickimage

2-30

685 ratio = qreal(requestedSize.width()) / originalSize.width(); -

686

}

executed 34 times by 4 tests: end of block

Executed by:

tst_examples
tst_qquickimage
tst_qquicktext
tst_sharedimage

687

if (requestedSize.height() && (preserveAspectCropOrFit || formatIsSvg ||

requestedSize.height()	Description
TRUE	evaluated 40 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage
FALSE	evaluated 2 times by 1 test Evaluated by: tst_qquickimage

preserveAspectCropOrFit	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage
FALSE	evaluated 36 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

formatIsSvg	Description
TRUE	never evaluated
FALSE	evaluated 36 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage

0-40

688

requestedSize.height() < originalSize.height())) {

requestedSize....lSize.height()	Description
TRUE	evaluated 30 times by 4 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext
FALSE	evaluated 6 times by 2 tests Evaluated by: tst_qquickimage tst_sharedimage

6-30

689 qreal hr = qreal(requestedSize.height()) / originalSize.height(); -

690

if (ratio == 0.0)

ratio == 0.0	Description
TRUE	evaluated 6 times by 2 tests Evaluated by: tst_qquickimage tst_qquickshadereffect
FALSE	evaluated 28 times by 3 tests Evaluated by: tst_examples tst_qquicktext tst_sharedimage

6-28

691

ratio = hr;

executed 6 times by 2 tests: ratio = hr;

Executed by:

tst_qquickimage
tst_qquickshadereffect

692

else if (!preserveAspectCropOrFit && (hr < ratio))

!preserveAspectCropOrFit	Description
TRUE	evaluated 24 times by 2 tests Evaluated by: tst_examples tst_qquicktext
FALSE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage

(hr < ratio)	Description
TRUE	evaluated 20 times by 2 tests Evaluated by: tst_examples tst_qquicktext
FALSE	evaluated 4 times by 2 tests Evaluated by: tst_examples tst_qquicktext

4-24

693

ratio = hr;

executed 20 times by 2 tests: ratio = hr;

Executed by:

tst_examples
tst_qquicktext

694

else if (preserveAspectCropOrFit && (hr > ratio))

preserveAspectCropOrFit	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage
FALSE	evaluated 4 times by 2 tests Evaluated by: tst_examples tst_qquicktext

(hr > ratio)	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_sharedimage
FALSE	never evaluated

0-4

695

ratio = hr;

executed 4 times by 1 test: ratio = hr;

Executed by:

tst_sharedimage

696

}

executed 34 times by 5 tests: end of block

Executed by:

tst_examples
tst_qquickimage
tst_qquickshadereffect
tst_qquicktext
tst_sharedimage

697

if (ratio > 0.0) {

ratio > 0.0	Description
TRUE	evaluated 40 times by 5 tests Evaluated by: tst_examples tst_qquickimage tst_qquickshadereffect tst_qquicktext tst_sharedimage
FALSE	evaluated 2 times by 1 test Evaluated by: tst_qquickimage

2-40

698 res.setHeight(qRound(originalSize.height() * ratio)); -

699 res.setWidth(qRound(originalSize.width() * ratio)); -

700

}

executed 40 times by 5 tests: end of block

Executed by:

tst_examples
tst_qquickimage
tst_qquickshadereffect
tst_qquicktext
tst_sharedimage

701

return res;

executed 42 times by 5 tests: return res;

Executed by:

tst_examples
tst_qquickimage
tst_qquickshadereffect
tst_qquicktext
tst_sharedimage

702 } -

703 -

704 QQuickImageProviderWithOptions *QQuickImageProviderWithOptions::checkedCast(QQuickImageProvider *provider) -

705 { -

706

if (provider && provider->d && provider->d->isProviderWithOptions)

provider	Description
TRUE	evaluated 8116 times by 5 tests Evaluated by: tst_qquickanimatedsprite tst_qquickimage tst_qquickimageprovider tst_qquickpixmapcache tst_sharedimage
FALSE	evaluated 10 times by 1 test Evaluated by: tst_qquickimageprovider

provider->d	Description
TRUE	evaluated 8116 times by 5 tests Evaluated by: tst_qquickanimatedsprite tst_qquickimage tst_qquickimageprovider tst_qquickpixmapcache tst_sharedimage
FALSE	never evaluated

provider->d->i...derWithOptions	Description
TRUE	evaluated 8 times by 1 test Evaluated by: tst_sharedimage
FALSE	evaluated 8108 times by 4 tests Evaluated by: tst_qquickanimatedsprite tst_qquickimage tst_qquickimageprovider tst_qquickpixmapcache

0-8116

707

return static_cast<QQuickImageProviderWithOptions *>(provider);

executed 8 times by 1 test: return static_cast<QQuickImageProviderWithOptions *>(provider);

Executed by:

tst_sharedimage

708 -

709

return nullptr;

executed 8118 times by 4 tests: return nullptr;

Executed by:

tst_qquickanimatedsprite
tst_qquickimage
tst_qquickimageprovider
tst_qquickpixmapcache

8118

710 } -

711 -

712 QT_END_NAMESPACE -

713 -

714 #include "moc_qquickimageprovider.cpp" -

Source code

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