qpdfwriter.cpp

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1 /**************************************************************************** -

2 ** -

4 ** Contact: http://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the QtGui module of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL21$ -

9 ** Commercial License Usage -

10 ** Licensees holding valid commercial Qt licenses may use this file in -

11 ** accordance with the commercial license agreement provided with the -

12 ** Software or, alternatively, in accordance with the terms contained in -

13 ** a written agreement between you and The Qt Company. For licensing terms -

14 ** and conditions see http://www.qt.io/terms-conditions. For further -

15 ** information use the contact form at http://www.qt.io/contact-us. -

16 ** -

17 ** GNU Lesser General Public License Usage -

18 ** Alternatively, this file may be used under the terms of the GNU Lesser -

19 ** General Public License version 2.1 or version 3 as published by the Free -

20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and -

21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the -

22 ** following information to ensure the GNU Lesser General Public License -

23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -

24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -

25 ** -

26 ** As a special exception, The Qt Company gives you certain additional -

27 ** rights. These rights are described in The Qt Company LGPL Exception -

28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -

29 ** -

30 ** $QT_END_LICENSE$ -

31 ** -

32 ****************************************************************************/ -

33 -

34 #include <qpdfwriter.h> -

35 -

36 #ifndef QT_NO_PDF -

37 -

38 #include "qpagedpaintdevice_p.h" -

39 #include <QtCore/private/qobject_p.h> -

40 #include "private/qpdf_p.h" -

41 #include <QtCore/qfile.h> -

42 -

43 QT_BEGIN_NAMESPACE -

44 -

45 class QPdfWriterPrivate : public QObjectPrivate -

46 { -

47 public: -

48 QPdfWriterPrivate() -

49 : QObjectPrivate() -

50 { -

51 engine = new QPdfEngine(); -

52 output = 0; -

}

never executed: end of block

54 ~QPdfWriterPrivate() -

55 { -

56 delete engine; -

57 delete output; -

}

never executed: end of block

59 -

60 QPdfEngine *engine; -

61 QFile *output; -

62 }; -

63 -

64 class QPdfPagedPaintDevicePrivate : public QPagedPaintDevicePrivate -

65 { -

66 public: -

67 QPdfPagedPaintDevicePrivate(QPdfWriterPrivate *d) -

68 : QPagedPaintDevicePrivate(), pd(d) -

{}

never executed: end of block

70 -

71 virtual ~QPdfPagedPaintDevicePrivate() -

72 {} -

73 -

74 bool setPageLayout(const QPageLayout &newPageLayout) Q_DECL_OVERRIDE -

75 { -

76 // Try to set the paint engine page layout -

77 pd->engine->setPageLayout(newPageLayout); -

78 // Set QPagedPaintDevice layout to match the current paint engine layout -

79 m_pageLayout = pd->engine->pageLayout(); -

return m_pageLayout.isEquivalentTo(newPageLayout);

never executed: return m_pageLayout.isEquivalentTo(newPageLayout);

81 } -

82 -

83 bool setPageSize(const QPageSize &pageSize) Q_DECL_OVERRIDE -

84 { -

85 // Try to set the paint engine page size -

86 pd->engine->setPageSize(pageSize); -

87 // Set QPagedPaintDevice layout to match the current paint engine layout -

88 m_pageLayout = pd->engine->pageLayout(); -

return m_pageLayout.pageSize().isEquivalentTo(pageSize);

never executed: return m_pageLayout.pageSize().isEquivalentTo(pageSize);

90 } -

91 -

92 bool setPageOrientation(QPageLayout::Orientation orientation) Q_DECL_OVERRIDE -

93 { -

94 // Set the print engine value -

95 pd->engine->setPageOrientation(orientation); -

96 // Set QPagedPaintDevice layout to match the current paint engine layout -

97 m_pageLayout = pd->engine->pageLayout(); -

return m_pageLayout.orientation() == orientation;

never executed: return m_pageLayout.orientation() == orientation;

99 } -

100 -

101 bool setPageMargins(const QMarginsF &margins) Q_DECL_OVERRIDE -

102 { -

103

return setPageMargins(margins, pageLayout().units());

never executed: return setPageMargins(margins, pageLayout().units());

104 } -

105 -

106 bool setPageMargins(const QMarginsF &margins, QPageLayout::Unit units) Q_DECL_OVERRIDE -

107 { -

108 // Try to set engine margins -

109 pd->engine->setPageMargins(margins, units); -

110 // Set QPagedPaintDevice layout to match the current paint engine layout -

111 m_pageLayout = pd->engine->pageLayout(); -

112

return m_pageLayout.margins() == margins && m_pageLayout.units() == units;

never executed: return m_pageLayout.margins() == margins && m_pageLayout.units() == units;

m_pageLayout.m...s() == margins	Description
TRUE	never evaluated
FALSE	never evaluated

m_pageLayout.units() == units	Description
TRUE	never evaluated
FALSE	never evaluated

113 } -

114 -

115 QPageLayout pageLayout() const Q_DECL_OVERRIDE -

116 { -

117

return pd->engine->pageLayout();

never executed: return pd->engine->pageLayout();

118 } -

119 -

120 QPdfWriterPrivate *pd; -

121 }; -

122 -

123 /*! \class QPdfWriter -

124 \inmodule QtGui -

125 -

126 \brief The QPdfWriter class is a class to generate PDFs -

127 that can be used as a paint device. -

128 -

129 \ingroup painting -

130 -

131 QPdfWriter generates PDF out of a series of drawing commands using QPainter. -

132 The newPage() method can be used to create several pages. -

133 */ -

134 -

135 /*! -

136 Constructs a PDF writer that will write the pdf to \a filename. -

137 */ -

138 QPdfWriter::QPdfWriter(const QString &filename) -

139 : QObject(*new QPdfWriterPrivate), -

140 QPagedPaintDevice(new QPdfPagedPaintDevicePrivate(d_func())) -

141 { -

142 Q_D(QPdfWriter); -

143 -

144 d->engine->setOutputFilename(filename); -

145 -

146 // Set QPagedPaintDevice layout to match the current paint engine layout -

147 devicePageLayout() = d->engine->pageLayout(); -

148

}

never executed: end of block

149 -

150 /*! -

151 Constructs a PDF writer that will write the pdf to \a device. -

152 */ -

153 QPdfWriter::QPdfWriter(QIODevice *device) -

154 : QObject(*new QPdfWriterPrivate), -

155 QPagedPaintDevice(new QPdfPagedPaintDevicePrivate(d_func())) -

156 { -

157 Q_D(QPdfWriter); -

158 -

159 d->engine->d_func()->outDevice = device; -

160 -

161 // Set QPagedPaintDevice layout to match the current paint engine layout -

162 devicePageLayout() = d->engine->pageLayout(); -

163

}

never executed: end of block

164 -

165 /*! -

166 Destroys the pdf writer. -

167 */ -

168 QPdfWriter::~QPdfWriter() -

169 { -

170 -

171 } -

172 -

173 /*! -

174 Returns the title of the document. -

175 */ -

176 QString QPdfWriter::title() const -

177 { -

178 Q_D(const QPdfWriter); -

179

return d->engine->d_func()->title;

never executed: return d->engine->d_func()->title;

180 } -

181 -

182 /*! -

183 Sets the title of the document being created to \a title. -

184 */ -

185 void QPdfWriter::setTitle(const QString &title) -

186 { -

187 Q_D(QPdfWriter); -

188 d->engine->d_func()->title = title; -

189

}

never executed: end of block

190 -

191 /*! -

192 Returns the creator of the document. -

193 */ -

194 QString QPdfWriter::creator() const -

195 { -

196 Q_D(const QPdfWriter); -

197

return d->engine->d_func()->creator;

never executed: return d->engine->d_func()->creator;

198 } -

199 -

200 /*! -

201 Sets the creator of the document to \a creator. -

202 */ -

203 void QPdfWriter::setCreator(const QString &creator) -

204 { -

205 Q_D(QPdfWriter); -

206 d->engine->d_func()->creator = creator; -

207

}

never executed: end of block

208 -

209 /*! -

210 \reimp -

211 */ -

212 QPaintEngine *QPdfWriter::paintEngine() const -

213 { -

214 Q_D(const QPdfWriter); -

215 -

216

return d->engine;

never executed: return d->engine;

217 } -

218 -

219 /*! -

220 \since 5.3 -

221 -

222 Sets the PDF \a resolution in DPI. -

223 -

224 This setting affects the coordinate system as returned by, for -

225 example QPainter::viewport(). -

226 -

227 \sa resolution() -

228 */ -

229 -

230 void QPdfWriter::setResolution(int resolution) -

231 { -

232 Q_D(const QPdfWriter); -

233

if (resolution > 0)

resolution > 0	Description
TRUE	never evaluated
FALSE	never evaluated

234

d->engine->setResolution(resolution);

never executed: d->engine->setResolution(resolution);

235

}

never executed: end of block

236 -

237 /*! -

238 \since 5.3 -

239 -

240 Returns the resolution of the PDF in DPI. -

241 -

242 \sa setResolution() -

243 */ -

244 -

245 int QPdfWriter::resolution() const -

246 { -

247 Q_D(const QPdfWriter); -

248

return d->engine->resolution();

never executed: return d->engine->resolution();

249 } -

250 -

251 // Defined in QPagedPaintDevice but non-virtual, add QPdfWriter specific doc here -

252 #ifdef Q_QDOC -

253 /*! -

254 \fn bool QPdfWriter::setPageLayout(const QPageLayout &newPageLayout) -

255 \since 5.3 -

256 -

257 Sets the PDF page layout to \a newPageLayout. -

258 -

259 You should call this before calling QPainter::begin(), or immediately -

260 before calling newPage() to apply the new page layout to a new page. -

261 You should not call any painting methods between a call to setPageLayout() -

262 and newPage() as the wrong paint metrics may be used. -

263 -

264 Returns true if the page layout was successfully set to \a newPageLayout. -

265 -

266 \sa pageLayout() -

267 */ -

268 -

269 /*! -

270 \fn bool QPdfWriter::setPageSize(const QPageSize &pageSize) -

271 \since 5.3 -

272 -

273 Sets the PDF page size to \a pageSize. -

274 -

275 To get the current QPageSize use pageLayout().pageSize(). -

276 -

277 You should call this before calling QPainter::begin(), or immediately -

278 before calling newPage() to apply the new page size to a new page. -

279 You should not call any painting methods between a call to setPageSize() -

280 and newPage() as the wrong paint metrics may be used. -

281 -

282 Returns true if the page size was successfully set to \a pageSize. -

283 -

284 \sa pageLayout() -

285 */ -

286 -

287 /*! -

288 \fn bool QPdfWriter::setPageOrientation(QPageLayout::Orientation orientation) -

289 \since 5.3 -

290 -

291 Sets the PDF page \a orientation. -

292 -

293 The page orientation is used to define the orientation of the -

294 page size when obtaining the page rect. -

295 -

296 You should call this before calling QPainter::begin(), or immediately -

297 before calling newPage() to apply the new orientation to a new page. -

298 You should not call any painting methods between a call to setPageOrientation() -

299 and newPage() as the wrong paint metrics may be used. -

300 -

301 To get the current QPageLayout::Orientation use pageLayout().pageOrientation(). -

302 -

303 Returns true if the page orientation was successfully set to \a orientation. -

304 -

305 \sa pageLayout() -

306 */ -

307 -

308 /*! -

309 \fn bool QPdfWriter::setPageMargins(const QMarginsF &margins) -

310 \since 5.3 -

311 -

312 Set the PDF page \a margins in the current page layout units. -

313 -

314 You should call this before calling QPainter::begin(), or immediately -

315 before calling newPage() to apply the new margins to a new page. -

316 You should not call any painting methods between a call to setPageMargins() -

317 and newPage() as the wrong paint metrics may be used. -

318 -

319 To get the current page margins use pageLayout().pageMargins(). -

320 -

321 Returns true if the page margins were successfully set to \a margins. -

322 -

323 \sa pageLayout() -

324 */ -

325 -

326 /*! -

327 \fn bool QPdfWriter::setPageMargins(const QMarginsF &margins, QPageLayout::Unit units) -

328 \since 5.3 -

329 -

330 Set the PDF page \a margins defined in the given \a units. -

331 -

332 You should call this before calling QPainter::begin(), or immediately -

333 before calling newPage() to apply the new margins to a new page. -

334 You should not call any painting methods between a call to setPageMargins() -

335 and newPage() as the wrong paint metrics may be used. -

336 -

337 To get the current page margins use pageLayout().pageMargins(). -

338 -

339 Returns true if the page margins were successfully set to \a margins. -

340 -

341 \sa pageLayout() -

342 */ -

343 -

344 /*! -

345 \fn QPageLayout QPdfWriter::pageLayout() const -

346 \since 5.3 -

347 -

348 Returns the current page layout. Use this method to access the current -

349 QPageSize, QPageLayout::Orientation, QMarginsF, fullRect() and paintRect(). -

350 -

351 Note that you cannot use the setters on the returned object, you must either -

352 call the individual QPdfWriter methods or use setPageLayout(). -

353 -

354 \sa setPageLayout(), setPageSize(), setPageOrientation(), setPageMargins() -

355 */ -

356 #endif -

357 -

358 /*! -

359 \reimp -

360 -

361 \obsolete Use setPageSize(QPageSize(id)) instead -

362 -

363 \sa setPageSize() -

364 */ -

365 -

366 void QPdfWriter::setPageSize(PageSize size) -

367 { -

368 setPageSize(QPageSize(QPageSize::PageSizeId(size))); -

369

}

never executed: end of block

370 -

371 /*! -

372 \reimp -

373 -

374 \obsolete Use setPageSize(QPageSize(size, QPageSize::Millimeter)) instead -

375 -

376 \sa setPageSize() -

377 */ -

378 -

379 void QPdfWriter::setPageSizeMM(const QSizeF &size) -

380 { -

381 setPageSize(QPageSize(size, QPageSize::Millimeter)); -

382

}

never executed: end of block

383 -

384 /*! -

385 \internal -

386 -

387 Returns the metric for the given \a id. -

388 */ -

389 int QPdfWriter::metric(PaintDeviceMetric id) const -

390 { -

391 Q_D(const QPdfWriter); -

392

return d->engine->metric(id);

never executed: return d->engine->metric(id);

393 } -

394 -

395 /*! -

396 \reimp -

397 */ -

398 bool QPdfWriter::newPage() -

399 { -

400 Q_D(QPdfWriter); -

401 -

402

return d->engine->newPage();

never executed: return d->engine->newPage();

403 } -

404 -

405 -

406 /*! -

407 \reimp -

408 -

409 \obsolete Use setPageMargins(QMarginsF(l, t, r, b), QPageLayout::Millimeter) instead -

410 -

411 \sa setPageMargins() -

412 */ -

413 void QPdfWriter::setMargins(const Margins &m) -

414 { -

415 setPageMargins(QMarginsF(m.left, m.top, m.right, m.bottom), QPageLayout::Millimeter); -

416

}

never executed: end of block

417 -

418 QT_END_NAMESPACE -

419 -

420 #endif // QT_NO_PDF -

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