Line | Source | Count |
1 | | - |
2 | | - |
3 | | - |
4 | | - |
5 | | - |
6 | | - |
7 | | - |
8 | | - |
9 | | - |
10 | void qt_format_text(const QFont &fnt, const QRectF &_r, | - |
11 | int tf, const QTextOption *opt, const QString& str, QRectF *brect, | - |
12 | int tabstops, int *, int tabarraylen, | - |
13 | QPainter *painter); | - |
14 | const char *qt_mfhdr_tag = "QPIC"; | - |
15 | static const quint16 mfhdr_maj = QDataStream::Qt_DefaultCompiledVersion; | - |
16 | static const quint16 mfhdr_min = 0; | - |
17 | QPicture::QPicture(int formatVersion) | - |
18 | : QPaintDevice(), | - |
19 | d_ptr(new QPicturePrivate) | - |
20 | { | - |
21 | QPicturePrivate * const d = d_func(); | - |
22 | | - |
23 | if (formatVersion == 0) | - |
24 | QMessageLogger(__FILE__, 138144, __PRETTY_FUNCTION__).warning("QPicture: invalid format version 0"); | - |
25 | | - |
26 | | - |
27 | if (formatVersion > 0 && formatVersion != (int)mfhdr_maj) { | - |
28 | d->formatMajor = formatVersion; | - |
29 | d->formatMinor = 0; | - |
30 | d->formatOk = false; | - |
31 | } else { | - |
32 | d->resetFormat(); | - |
33 | } | - |
34 | } | - |
35 | | - |
36 | | - |
37 | | - |
38 | | - |
39 | | - |
40 | | - |
41 | | - |
42 | QPicture::QPicture(const QPicture &pic) | - |
43 | : QPaintDevice(), d_ptr(pic.d_ptr) | - |
44 | { | - |
45 | } | - |
46 | | - |
47 | | - |
48 | QPicture::QPicture(QPicturePrivate &dptr) | - |
49 | : QPaintDevice(), | - |
50 | d_ptr(&dptr) | - |
51 | { | - |
52 | } | - |
53 | | - |
54 | | - |
55 | | - |
56 | | - |
57 | QPicture::~QPicture() | - |
58 | { | - |
59 | } | - |
60 | | - |
61 | | - |
62 | | - |
63 | | - |
64 | int QPicture::devType() const | - |
65 | { | - |
66 | return QInternal::Picture; | - |
67 | } | - |
68 | bool QPicture::isNull() const | - |
69 | { | - |
70 | return d_func()->pictb.buffer().isNull(); | - |
71 | } | - |
72 | | - |
73 | uint QPicture::size() const | - |
74 | { | - |
75 | return d_func()->pictb.buffer().size(); | - |
76 | } | - |
77 | | - |
78 | const char* QPicture::data() const | - |
79 | { | - |
80 | return d_func()->pictb.buffer(); | - |
81 | } | - |
82 | | - |
83 | void QPicture::detach() | - |
84 | { | - |
85 | d_ptr.detach(); | - |
86 | } | - |
87 | | - |
88 | bool QPicture::isDetached() const | - |
89 | { | - |
90 | return d_func()->ref.load() == 1; | - |
91 | } | - |
92 | void QPicture::setData(const char* data, uint size) | - |
93 | { | - |
94 | detach(); | - |
95 | d_func()->pictb.setData(data, size); | - |
96 | d_func()->resetFormat(); | - |
97 | } | - |
98 | bool QPicture::load(const QString &fileName, const char *format) | - |
99 | { | - |
100 | QFile f(fileName); | - |
101 | if (!f.open(QIODevice::ReadOnly)) { | - |
102 | operator=(QPicture()); | - |
103 | return false; | - |
104 | } | - |
105 | return load(&f, format); | - |
106 | } | - |
107 | | - |
108 | | - |
109 | | - |
110 | | - |
111 | | - |
112 | | - |
113 | | - |
114 | bool QPicture::load(QIODevice *dev, const char *format) | - |
115 | { | - |
116 | if(format) { | - |
117 | | - |
118 | QPictureIO io(dev, format); | - |
119 | if (io.read()) { | - |
120 | operator=(io.picture()); | - |
121 | return true; | - |
122 | } | - |
123 | | - |
124 | QMessageLogger(__FILE__, 285291, __PRETTY_FUNCTION__).warning("QPicture::load: No such picture format: %s", format); | - |
125 | operator=(QPicture()); | - |
126 | return false; | - |
127 | } | - |
128 | | - |
129 | detach(); | - |
130 | QByteArray a = dev->readAll(); | - |
131 | | - |
132 | d_func()->pictb.setData(a); | - |
133 | return d_func()->checkFormat(); | - |
134 | } | - |
135 | bool QPicture::save(const QString &fileName, const char *format) | - |
136 | { | - |
137 | if (paintingActive()) { | - |
138 | QMessageLogger(__FILE__, 310316, __PRETTY_FUNCTION__).warning("QPicture::save: still being painted on. " | - |
139 | "Call QPainter::end() first"); | - |
140 | return false; | - |
141 | } | - |
142 | | - |
143 | | - |
144 | if(format) { | - |
145 | | - |
146 | QPictureIO io(fileName, format); | - |
147 | bool result = io.write(); | - |
148 | if (result) { | - |
149 | operator=(io.picture()); | - |
150 | } else if (format) | - |
151 | | - |
152 | | - |
153 | | - |
154 | { | - |
155 | QMessageLogger(__FILE__, 327333, __PRETTY_FUNCTION__).warning("QPicture::save: No such picture format: %s", format); | - |
156 | } | - |
157 | return result; | - |
158 | } | - |
159 | | - |
160 | QFile f(fileName); | - |
161 | if (!f.open(QIODevice::WriteOnly)) | - |
162 | return false; | - |
163 | return save(&f, format); | - |
164 | } | - |
165 | | - |
166 | | - |
167 | | - |
168 | | - |
169 | | - |
170 | | - |
171 | | - |
172 | bool QPicture::save(QIODevice *dev, const char *format) | - |
173 | { | - |
174 | if (paintingActive()) { | - |
175 | QMessageLogger(__FILE__, 347353, __PRETTY_FUNCTION__).warning("QPicture::save: still being painted on. " | - |
176 | "Call QPainter::end() first"); | - |
177 | return false; | - |
178 | } | - |
179 | | - |
180 | if(format) { | - |
181 | | - |
182 | QPictureIO io(dev, format); | - |
183 | bool result = io.write(); | - |
184 | if (result) { | - |
185 | operator=(io.picture()); | - |
186 | } else if (format) | - |
187 | | - |
188 | | - |
189 | | - |
190 | { | - |
191 | QMessageLogger(__FILE__, 363369, __PRETTY_FUNCTION__).warning("QPicture::save: No such picture format: %s", format); | - |
192 | } | - |
193 | return result; | - |
194 | } | - |
195 | | - |
196 | dev->write(d_func()->pictb.buffer(), d_func()->pictb.buffer().size()); | - |
197 | return true; | - |
198 | } | - |
199 | | - |
200 | | - |
201 | | - |
202 | | - |
203 | | - |
204 | | - |
205 | QRect QPicture::boundingRect() const | - |
206 | { | - |
207 | const QPicturePrivate * const d = d_func(); | - |
208 | | - |
209 | if (!d->override_rect.isEmpty()) | - |
210 | return d->override_rect; | - |
211 | | - |
212 | if (!d->formatOk) | - |
213 | d_ptr->checkFormat(); | - |
214 | | - |
215 | return d->brect; | - |
216 | } | - |
217 | | - |
218 | | - |
219 | | - |
220 | | - |
221 | | - |
222 | | - |
223 | void QPicture::setBoundingRect(const QRect &r) | - |
224 | { | - |
225 | d_func()->override_rect = r; | - |
226 | } | - |
227 | bool QPicture::play(QPainter *painter) | - |
228 | { | - |
229 | QPicturePrivate * const d = d_func(); | - |
230 | | - |
231 | if (d->pictb.size() == 0) | - |
232 | return true; | - |
233 | | - |
234 | if (!d->formatOk && !d->checkFormat()) | - |
235 | return false; | - |
236 | | - |
237 | d->pictb.open(QIODevice::ReadOnly); | - |
238 | QDataStream s; | - |
239 | s.setDevice(&d->pictb); | - |
240 | s.device()->seek(10); | - |
241 | s.setVersion(d->formatMajor == 4 ? 3 : d->formatMajor); | - |
242 | | - |
243 | quint8 c, clen; | - |
244 | quint32 nrecords; | - |
245 | s >> c >> clen; | - |
246 | ((!(c == QPicturePrivate::PdcBegin)) ? qt_assert("c == QPicturePrivate::PdcBegin",__FILE__,427433) : qt_noop()); | - |
247 | | - |
248 | if (d->formatMajor >= 4) { | - |
249 | qint32 dummy; | - |
250 | s >> dummy >> dummy >> dummy >> dummy; | - |
251 | } | - |
252 | s >> nrecords; | - |
253 | if (!exec(painter, s, nrecords)) { | - |
254 | QMessageLogger(__FILE__, 435441, __PRETTY_FUNCTION__).warning("QPicture::play: Format error"); | - |
255 | d->pictb.close(); | - |
256 | return false; | - |
257 | } | - |
258 | d->pictb.close(); | - |
259 | return true; | - |
260 | } | - |
261 | | - |
262 | | - |
263 | | - |
264 | | - |
265 | | - |
266 | class QFakeDevice : public QPaintDevice | - |
267 | { | - |
268 | public: | - |
269 | QFakeDevice() { dpi_x = qt_defaultDpiX(); dpi_y = qt_defaultDpiY(); } | - |
270 | void setDpiX(int dpi) { dpi_x = dpi; } | - |
271 | void setDpiY(int dpi) { dpi_y = dpi; } | - |
272 | QPaintEngine *paintEngine() const override { return 0; } | - |
273 | int metric(PaintDeviceMetric m) const override | - |
274 | { | - |
275 | switch(m) { | - |
276 | case PdmPhysicalDpiX: | - |
277 | case PdmDpiX: | - |
278 | return dpi_x; | - |
279 | case PdmPhysicalDpiY: | - |
280 | case PdmDpiY: | - |
281 | return dpi_y; | - |
282 | default: | - |
283 | return QPaintDevice::metric(m); | - |
284 | } | - |
285 | } | - |
286 | | - |
287 | private: | - |
288 | int dpi_x; | - |
289 | int dpi_y; | - |
290 | }; | - |
291 | | - |
292 | | - |
293 | | - |
294 | | - |
295 | | - |
296 | | - |
297 | | - |
298 | bool QPicture::exec(QPainter *painter, QDataStream &s, int nrecords) | - |
299 | { | - |
300 | QPicturePrivate * const d = d_func(); | - |
301 | | - |
302 | int strm_pos; | - |
303 | | - |
304 | quint8 c; | - |
305 | quint8 tiny_len; | - |
306 | qint32 len; | - |
307 | qint16 i_16, i1_16, i2_16; | - |
308 | qint8 i_8; | - |
309 | quint32 ul; | - |
310 | double dbl; | - |
311 | bool bl; | - |
312 | QByteArray str1; | - |
313 | QString str; | - |
314 | QPointF p, p1, p2; | - |
315 | QPoint ip, ip1, ip2; | - |
316 | QRect ir; | - |
317 | QRectF r; | - |
318 | QPolygonF a; | - |
319 | QPolygon ia; | - |
320 | QColor color; | - |
321 | QFont font; | - |
322 | QPen pen; | - |
323 | QBrush brush; | - |
324 | QRegion rgn; | - |
325 | QMatrix wmatrix; | - |
326 | QTransform matrix; | - |
327 | | - |
328 | QTransform worldMatrix = painter->transform(); | - |
329 | worldMatrix.scale(qreal(painter->device()->logicalDpiX()) / qreal(qt_defaultDpiX()), | - |
330 | qreal(painter->device()->logicalDpiY()) / qreal(qt_defaultDpiY())); | - |
331 | painter->setTransform(worldMatrix); | - |
332 | | - |
333 | while (nrecords-- && !s.atEnd()) { | - |
334 | s >> c; | - |
335 | s >> tiny_len; | - |
336 | if (tiny_len == 255) | - |
337 | s >> len; | - |
338 | else | - |
339 | len = tiny_len; | - |
340 | | - |
341 | strm_pos = s.device()->pos(); | - |
342 | | - |
343 | switch (c) { | - |
344 | case QPicturePrivate::PdcNOP: | - |
345 | break; | - |
346 | case QPicturePrivate::PdcDrawPoint: | - |
347 | if (d->formatMajor <= 5) { | - |
348 | s >> ip; | - |
349 | painter->drawPoint(ip); | - |
350 | } else { | - |
351 | s >> p; | - |
352 | painter->drawPoint(p); | - |
353 | } | - |
354 | break; | - |
355 | case QPicturePrivate::PdcDrawPoints: | - |
356 | | - |
357 | | - |
358 | | - |
359 | break; | - |
360 | case QPicturePrivate::PdcDrawPath: { | - |
361 | QPainterPath path; | - |
362 | s >> path; | - |
363 | painter->drawPath(path); | - |
364 | break; | - |
365 | } | - |
366 | case QPicturePrivate::PdcDrawLine: | - |
367 | if (d->formatMajor <= 5) { | - |
368 | s >> ip1 >> ip2; | - |
369 | painter->drawLine(ip1, ip2); | - |
370 | } else { | - |
371 | s >> p1 >> p2; | - |
372 | painter->drawLine(p1, p2); | - |
373 | } | - |
374 | break; | - |
375 | case QPicturePrivate::PdcDrawRect: | - |
376 | if (d->formatMajor <= 5) { | - |
377 | s >> ir; | - |
378 | painter->drawRect(ir); | - |
379 | } else { | - |
380 | s >> r; | - |
381 | painter->drawRect(r); | - |
382 | } | - |
383 | break; | - |
384 | case QPicturePrivate::PdcDrawRoundRect: | - |
385 | if (d->formatMajor <= 5) { | - |
386 | s >> ir >> i1_16 >> i2_16; | - |
387 | painter->drawRoundedRect(ir, i1_16, i2_16, Qt::RelativeSize); | - |
388 | } else { | - |
389 | s >> r >> i1_16 >> i2_16; | - |
390 | painter->drawRoundedRect(r, i1_16, i2_16, Qt::RelativeSize); | - |
391 | } | - |
392 | break; | - |
393 | case QPicturePrivate::PdcDrawEllipse: | - |
394 | if (d->formatMajor <= 5) { | - |
395 | s >> ir; | - |
396 | painter->drawEllipse(ir); | - |
397 | } else { | - |
398 | s >> r; | - |
399 | painter->drawEllipse(r); | - |
400 | } | - |
401 | break; | - |
402 | case QPicturePrivate::PdcDrawArc: | - |
403 | if (d->formatMajor <= 5) { | - |
404 | s >> ir; | - |
405 | r = ir; | - |
406 | } else { | - |
407 | s >> r; | - |
408 | } | - |
409 | s >> i1_16 >> i2_16; | - |
410 | painter->drawArc(r, i1_16, i2_16); | - |
411 | break; | - |
412 | case QPicturePrivate::PdcDrawPie: | - |
413 | if (d->formatMajor <= 5) { | - |
414 | s >> ir; | - |
415 | r = ir; | - |
416 | } else { | - |
417 | s >> r; | - |
418 | } | - |
419 | s >> i1_16 >> i2_16; | - |
420 | painter->drawPie(r, i1_16, i2_16); | - |
421 | break; | - |
422 | case QPicturePrivate::PdcDrawChord: | - |
423 | if (d->formatMajor <= 5) { | - |
424 | s >> ir; | - |
425 | r = ir; | - |
426 | } else { | - |
427 | s >> r; | - |
428 | } | - |
429 | s >> i1_16 >> i2_16; | - |
430 | painter->drawChord(r, i1_16, i2_16); | - |
431 | break; | - |
432 | case QPicturePrivate::PdcDrawLineSegments: | - |
433 | s >> ia; | - |
434 | painter->drawLines(ia); | - |
435 | ia.clear(); | - |
436 | break; | - |
437 | case QPicturePrivate::PdcDrawPolyline: | - |
438 | if (d->formatMajor <= 5) { | - |
439 | s >> ia; | - |
440 | painter->drawPolyline(ia); | - |
441 | ia.clear(); | - |
442 | } else { | - |
443 | s >> a; | - |
444 | painter->drawPolyline(a); | - |
445 | a.clear(); | - |
446 | } | - |
447 | break; | - |
448 | case QPicturePrivate::PdcDrawPolygon: | - |
449 | if (d->formatMajor <= 5) { | - |
450 | s >> ia >> i_8; | - |
451 | painter->drawPolygon(ia, i_8 ? Qt::WindingFill : Qt::OddEvenFill); | - |
452 | a.clear(); | - |
453 | } else { | - |
454 | s >> a >> i_8; | - |
455 | painter->drawPolygon(a, i_8 ? Qt::WindingFill : Qt::OddEvenFill); | - |
456 | a.clear(); | - |
457 | } | - |
458 | break; | - |
459 | case QPicturePrivate::PdcDrawCubicBezier: { | - |
460 | s >> ia; | - |
461 | QPainterPath path; | - |
462 | ((!(ia.size() == 4)) ? qt_assert("ia.size() == 4",__FILE__,643649) : qt_noop()); | - |
463 | path.moveTo(ia.at(0)); | - |
464 | path.cubicTo(ia.at(1), ia.at(2), ia.at(3)); | - |
465 | painter->strokePath(path, painter->pen()); | - |
466 | a.clear(); | - |
467 | } | - |
468 | break; | - |
469 | case QPicturePrivate::PdcDrawText: | - |
470 | s >> ip >> str1; | - |
471 | painter->drawText(ip, QString::fromLatin1(str1)); | - |
472 | break; | - |
473 | case QPicturePrivate::PdcDrawTextFormatted: | - |
474 | s >> ir >> i_16 >> str1; | - |
475 | painter->drawText(ir, i_16, QString::fromLatin1(str1)); | - |
476 | break; | - |
477 | case QPicturePrivate::PdcDrawText2: | - |
478 | if (d->formatMajor <= 5) { | - |
479 | s >> ip >> str; | - |
480 | painter->drawText(ip, str); | - |
481 | } else { | - |
482 | s >> p >> str; | - |
483 | painter->drawText(p, str); | - |
484 | } | - |
485 | break; | - |
486 | case QPicturePrivate::PdcDrawText2Formatted: | - |
487 | s >> ir; | - |
488 | s >> i_16; | - |
489 | s >> str; | - |
490 | painter->drawText(ir, i_16, str); | - |
491 | break; | - |
492 | case QPicturePrivate::PdcDrawTextItem: { | - |
493 | s >> p >> str >> font >> ul; | - |
494 | | - |
495 | | - |
496 | | - |
497 | | - |
498 | | - |
499 | if (d->formatMajor >= 9) { | - |
500 | s >> dbl; | - |
501 | QFont fnt(font); | - |
502 | if (dbl != 1.0) { | - |
503 | QFakeDevice fake; | - |
504 | fake.setDpiX(qRound(dbl*qt_defaultDpiX())); | - |
505 | fake.setDpiY(qRound(dbl*qt_defaultDpiY())); | - |
506 | fnt = QFont(font, &fake); | - |
507 | } | - |
508 | | - |
509 | qreal justificationWidth; | - |
510 | s >> justificationWidth; | - |
511 | | - |
512 | int flags = Qt::TextSingleLine | Qt::TextDontClip | Qt::TextForceLeftToRight; | - |
513 | | - |
514 | QSizeF size(1, 1); | - |
515 | if (justificationWidth > 0) { | - |
516 | size.setWidth(justificationWidth); | - |
517 | flags |= Qt::TextJustificationForced; | - |
518 | flags |= Qt::AlignJustify; | - |
519 | } | - |
520 | | - |
521 | QFontMetrics fm(fnt); | - |
522 | QPointF pt(p.x(), p.y() - fm.ascent()); | - |
523 | qt_format_text(fnt, QRectF(pt, size), flags, 0, | - |
524 | str, 0, 0, 0, 0, painter); | - |
525 | } else { | - |
526 | qt_format_text(font, QRectF(p, QSizeF(1, 1)), Qt::TextSingleLine | Qt::TextDontClip, 0, | - |
527 | str, 0, 0, 0, 0, painter); | - |
528 | } | - |
529 | | - |
530 | break; | - |
531 | } | - |
532 | case QPicturePrivate::PdcDrawPixmap: { | - |
533 | QPixmap pixmap; | - |
534 | if (d->formatMajor < 4) { | - |
535 | s >> ip >> pixmap; | - |
536 | painter->drawPixmap(ip, pixmap); | - |
537 | } else if (d->formatMajor <= 5) { | - |
538 | s >> ir >> pixmap; | - |
539 | painter->drawPixmap(ir, pixmap); | - |
540 | } else { | - |
541 | QRectF sr; | - |
542 | if (d->in_memory_only) { | - |
543 | int index; | - |
544 | s >> r >> index >> sr; | - |
545 | ((!(index < d->pixmap_list.size())) ? qt_assert("index < d->pixmap_list.size()",__FILE__,726732) : qt_noop()); | - |
546 | pixmap = d->pixmap_list.at(index); | - |
547 | } else { | - |
548 | s >> r >> pixmap >> sr; | - |
549 | } | - |
550 | painter->drawPixmap(r, pixmap, sr); | - |
551 | } | - |
552 | } | - |
553 | break; | - |
554 | case QPicturePrivate::PdcDrawTiledPixmap: { | - |
555 | QPixmap pixmap; | - |
556 | if (d->in_memory_only) { | - |
557 | int index; | - |
558 | s >> r >> index >> p; | - |
559 | ((!(index < d->pixmap_list.size())) ? qt_assert("index < d->pixmap_list.size()",__FILE__,740746) : qt_noop()); | - |
560 | pixmap = d->pixmap_list.at(index); | - |
561 | } else { | - |
562 | s >> r >> pixmap >> p; | - |
563 | } | - |
564 | painter->drawTiledPixmap(r, pixmap, p); | - |
565 | } | - |
566 | break; | - |
567 | case QPicturePrivate::PdcDrawImage: { | - |
568 | QImage image; | - |
569 | if (d->formatMajor < 4) { | - |
570 | s >> p >> image; | - |
571 | painter->drawImage(p, image); | - |
572 | } else if (d->formatMajor <= 5){ | - |
573 | s >> ir >> image; | - |
574 | painter->drawImage(ir, image, QRect(0, 0, ir.width(), ir.height())); | - |
575 | } else { | - |
576 | QRectF sr; | - |
577 | if (d->in_memory_only) { | - |
578 | int index; | - |
579 | s >> r >> index >> sr >> ul; | - |
580 | ((!(index < d->image_list.size())) ? qt_assert("index < d->image_list.size()",__FILE__,761767) : qt_noop()); | - |
581 | image = d->image_list.at(index); | - |
582 | } else { | - |
583 | s >> r >> image >> sr >> ul; | - |
584 | } | - |
585 | painter->drawImage(r, image, sr, Qt::ImageConversionFlags(ul)); | - |
586 | } | - |
587 | } | - |
588 | break; | - |
589 | case QPicturePrivate::PdcBegin: | - |
590 | s >> ul; | - |
591 | if (!exec(painter, s, ul)) | - |
592 | return false; | - |
593 | break; | - |
594 | case QPicturePrivate::PdcEnd: | - |
595 | if (nrecords == 0) | - |
596 | return true; | - |
597 | break; | - |
598 | case QPicturePrivate::PdcSave: | - |
599 | painter->save(); | - |
600 | break; | - |
601 | case QPicturePrivate::PdcRestore: | - |
602 | painter->restore(); | - |
603 | break; | - |
604 | case QPicturePrivate::PdcSetBkColor: | - |
605 | s >> color; | - |
606 | painter->setBackground(color); | - |
607 | break; | - |
608 | case QPicturePrivate::PdcSetBkMode: | - |
609 | s >> i_8; | - |
610 | painter->setBackgroundMode((Qt::BGMode)i_8); | - |
611 | break; | - |
612 | case QPicturePrivate::PdcSetROP: | - |
613 | s >> i_8; | - |
614 | break; | - |
615 | case QPicturePrivate::PdcSetBrushOrigin: | - |
616 | if (d->formatMajor <= 5) { | - |
617 | s >> ip; | - |
618 | painter->setBrushOrigin(ip); | - |
619 | } else { | - |
620 | s >> p; | - |
621 | painter->setBrushOrigin(p); | - |
622 | } | - |
623 | break; | - |
624 | case QPicturePrivate::PdcSetFont: | - |
625 | s >> font; | - |
626 | painter->setFont(font); | - |
627 | break; | - |
628 | case QPicturePrivate::PdcSetPen: | - |
629 | if (d->in_memory_only) { | - |
630 | int index; | - |
631 | s >> index; | - |
632 | ((!(index < d->pen_list.size())) ? qt_assert("index < d->pen_list.size()",__FILE__,813819) : qt_noop()); | - |
633 | pen = d->pen_list.at(index); | - |
634 | } else { | - |
635 | s >> pen; | - |
636 | } | - |
637 | painter->setPen(pen); | - |
638 | break; | - |
639 | case QPicturePrivate::PdcSetBrush: | - |
640 | if (d->in_memory_only) { | - |
641 | int index; | - |
642 | s >> index; | - |
643 | ((!(index < d->brush_list.size())) ? qt_assert("index < d->brush_list.size()",__FILE__,824830) : qt_noop()); | - |
644 | brush = d->brush_list.at(index); | - |
645 | } else { | - |
646 | s >> brush; | - |
647 | } | - |
648 | painter->setBrush(brush); | - |
649 | break; | - |
650 | case QPicturePrivate::PdcSetVXform: | - |
651 | s >> i_8; | - |
652 | painter->setViewTransformEnabled(i_8); | - |
653 | break; | - |
654 | case QPicturePrivate::PdcSetWindow: | - |
655 | if (d->formatMajor <= 5) { | - |
656 | s >> ir; | - |
657 | painter->setWindow(ir); | - |
658 | } else { | - |
659 | s >> r; | - |
660 | painter->setWindow(r.toRect()); | - |
661 | } | - |
662 | break; | - |
663 | case QPicturePrivate::PdcSetViewport: | - |
664 | if (d->formatMajor <= 5) { | - |
665 | s >> ir; | - |
666 | painter->setViewport(ir); | - |
667 | } else { | - |
668 | s >> r; | - |
669 | painter->setViewport(r.toRect()); | - |
670 | } | - |
671 | break; | - |
672 | case QPicturePrivate::PdcSetWXform: | - |
673 | s >> i_8; | - |
674 | painter->setMatrixEnabled(i_8); | - |
675 | break; | - |
676 | case QPicturePrivate::PdcSetWMatrix: | - |
677 | if (d->formatMajor >= 8) { | - |
678 | s >> matrix >> i_8; | - |
679 | } else { | - |
680 | s >> wmatrix >> i_8; | - |
681 | matrix = QTransform(wmatrix); | - |
682 | } | - |
683 | | - |
684 | painter->setTransform(matrix * worldMatrix, i_8); | - |
685 | break; | - |
686 | case QPicturePrivate::PdcSetClip: | - |
687 | s >> i_8; | - |
688 | painter->setClipping(i_8); | - |
689 | break; | - |
690 | case QPicturePrivate::PdcSetClipRegion: | - |
691 | s >> rgn >> i_8; | - |
692 | if (d->formatMajor >= 9) { | - |
693 | painter->setClipRegion(rgn, Qt::ClipOperation(i_8)); | - |
694 | } else { | - |
695 | painter->setClipRegion(rgn); | - |
696 | } | - |
697 | break; | - |
698 | case QPicturePrivate::PdcSetClipPath: | - |
699 | { | - |
700 | QPainterPath path; | - |
701 | s >> path >> i_8; | - |
702 | painter->setClipPath(path, Qt::ClipOperation(i_8)); | - |
703 | break; | - |
704 | } | - |
705 | case QPicturePrivate::PdcSetRenderHint: | - |
706 | s >> ul; | - |
707 | painter->setRenderHint(QPainter::Antialiasing, | - |
708 | bool(ul & QPainter::Antialiasing)); | - |
709 | painter->setRenderHint(QPainter::SmoothPixmapTransform, | - |
710 | bool(ul & QPainter::SmoothPixmapTransform)); | - |
711 | break; | - |
712 | case QPicturePrivate::PdcSetCompositionMode: | - |
713 | s >> ul; | - |
714 | painter->setCompositionMode((QPainter::CompositionMode)ul); | - |
715 | break; | - |
716 | case QPicturePrivate::PdcSetClipEnabled: | - |
717 | s >> bl; | - |
718 | painter->setClipping(bl); | - |
719 | break; | - |
720 | case QPicturePrivate::PdcSetOpacity: | - |
721 | s >> dbl; | - |
722 | painter->setOpacity(qreal(dbl)); | - |
723 | break; | - |
724 | default: | - |
725 | QMessageLogger(__FILE__, 906912, __PRETTY_FUNCTION__).warning("QPicture::play: Invalid command %d", c); | - |
726 | if (len) | - |
727 | s.device()->seek(s.device()->pos()+len); | - |
728 | } | - |
729 | | - |
730 | | - |
731 | ((!(qint32(s.device()->pos() - strm_pos) == len)) ? qt_assert("qint32(s.device()->pos() - strm_pos) == len",__FILE__,912918) : qt_noop()); | - |
732 | | - |
733 | } | - |
734 | return false; | - |
735 | } | - |
736 | int QPicture::metric(PaintDeviceMetric m) const | - |
737 | { | - |
738 | int val; | - |
739 | QRect brect = boundingRect(); | - |
740 | switch (m) { | - |
741 | case PdmWidth: | - |
742 | val = brect.width(); | - |
743 | break; | - |
744 | case PdmHeight: | - |
745 | val = brect.height(); | - |
746 | break; | - |
747 | case PdmWidthMM: | - |
748 | val = int(25.4/qt_defaultDpiX()*brect.width()); | - |
749 | break; | - |
750 | case PdmHeightMM: | - |
751 | val = int(25.4/qt_defaultDpiY()*brect.height()); | - |
752 | break; | - |
753 | case PdmDpiX: | - |
754 | case PdmPhysicalDpiX: | - |
755 | val = qt_defaultDpiX(); | - |
756 | break; | - |
757 | case PdmDpiY: | - |
758 | case PdmPhysicalDpiY: | - |
759 | val = qt_defaultDpiY(); | - |
760 | break; | - |
761 | case PdmNumColors: | - |
762 | val = 16777216; | - |
763 | break; | - |
764 | case PdmDepth: | - |
765 | val = 24; | - |
766 | break; | - |
767 | case PdmDevicePixelRatio: | - |
768 | val = 1; | - |
769 | break; | - |
770 | case PdmDevicePixelRatioScaled: | - |
771 | val = 1 * QPaintDevice::devicePixelRatioFScale(); | - |
772 | break; | - |
773 | default: | - |
774 | val = 0; | - |
775 | QMessageLogger(__FILE__, 969975, __PRETTY_FUNCTION__).warning("QPicture::metric: Invalid metric command"); | - |
776 | } | - |
777 | return val; | - |
778 | } | - |
779 | QPicture& QPicture::operator=(const QPicture &p) | - |
780 | { | - |
781 | d_ptr = p.d_ptr; | - |
782 | return *this; | - |
783 | } | - |
784 | QPicturePrivate::QPicturePrivate() | - |
785 | : in_memory_only(false) | - |
786 | { | - |
787 | } | - |
788 | | - |
789 | | - |
790 | | - |
791 | | - |
792 | | - |
793 | | - |
794 | QPicturePrivate::QPicturePrivate(const QPicturePrivate &other) | - |
795 | : trecs(other.trecs), | - |
796 | formatOk(other.formatOk), | - |
797 | formatMinor(other.formatMinor), | - |
798 | brect(other.brect), | - |
799 | override_rect(other.override_rect), | - |
800 | in_memory_only(false) | - |
801 | { | - |
802 | pictb.setData(other.pictb.data(), other.pictb.size()); | - |
803 | if (other.pictb.isOpen()) { | - |
804 | pictb.open(other.pictb.openMode()); | - |
805 | pictb.seek(other.pictb.pos()); | - |
806 | } | - |
807 | } | - |
808 | | - |
809 | | - |
810 | | - |
811 | | - |
812 | | - |
813 | | - |
814 | | - |
815 | void QPicturePrivate::resetFormat() | - |
816 | { | - |
817 | formatOk = false; | - |
818 | formatMajor = mfhdr_maj; | - |
819 | formatMinor = mfhdr_min; | - |
820 | } | - |
821 | bool QPicturePrivate::checkFormat() | - |
822 | { | - |
823 | resetFormat(); | - |
824 | | - |
825 | | - |
826 | if (pictb.size() == 0 || pictb.isOpen()) | - |
827 | return false; | - |
828 | | - |
829 | pictb.open(QIODevice::ReadOnly); | - |
830 | QDataStream s; | - |
831 | s.setDevice(&pictb); | - |
832 | | - |
833 | char mf_id[4]; | - |
834 | s.readRawData(mf_id, 4); | - |
835 | if (memcmp(mf_id, qt_mfhdr_tag, 4) != 0) { | - |
836 | QMessageLogger(__FILE__, 10731079, __PRETTY_FUNCTION__).warning("QPicturePaintEngine::checkFormat: Incorrect header"); | - |
837 | pictb.close(); | - |
838 | return false; | - |
839 | } | - |
840 | | - |
841 | int cs_start = sizeof(quint32); | - |
842 | int data_start = cs_start + sizeof(quint16); | - |
843 | quint16 cs,ccs; | - |
844 | QByteArray buf = pictb.buffer(); | - |
845 | | - |
846 | s >> cs; | - |
847 | ccs = (quint16) qChecksum(buf.constData() + data_start, buf.size() - data_start); | - |
848 | if (ccs != cs) { | - |
849 | QMessageLogger(__FILE__, 10861092, __PRETTY_FUNCTION__).warning("QPicturePaintEngine::checkFormat: Invalid checksum %x, %x expected", | - |
850 | ccs, cs); | - |
851 | pictb.close(); | - |
852 | return false; | - |
853 | } | - |
854 | | - |
855 | quint16 major, minor; | - |
856 | s >> major >> minor; | - |
857 | if (major > mfhdr_maj) { | - |
858 | QMessageLogger(__FILE__, 10951101, __PRETTY_FUNCTION__).warning("QPicturePaintEngine::checkFormat: Incompatible version %d.%d", | - |
859 | major, minor); | - |
860 | pictb.close(); | - |
861 | return false; | - |
862 | } | - |
863 | s.setVersion(major != 4 ? major : 3); | - |
864 | | - |
865 | quint8 c, clen; | - |
866 | s >> c >> clen; | - |
867 | if (c == QPicturePrivate::PdcBegin) { | - |
868 | if (!(major >= 1 && major <= 3)) { | - |
869 | qint32 l, t, w, h; | - |
870 | s >> l >> t >> w >> h; | - |
871 | brect = QRect(l, t, w, h); | - |
872 | } | - |
873 | } else { | - |
874 | QMessageLogger(__FILE__, 11111117, __PRETTY_FUNCTION__).warning("QPicturePaintEngine::checkFormat: Format error"); | - |
875 | pictb.close(); | - |
876 | return false; | - |
877 | } | - |
878 | pictb.close(); | - |
879 | | - |
880 | formatOk = true; | - |
881 | formatMajor = major; | - |
882 | formatMinor = minor; | - |
883 | return true; | - |
884 | } | - |
885 | | - |
886 | | - |
887 | QPaintEngine *QPicture::paintEngine() const | - |
888 | { | - |
889 | if (!d_func()->paintEngine) | - |
890 | const_cast<QPicture*>(this)->d_func()->paintEngine.reset(new QPicturePaintEngine); | - |
891 | return d_func()->paintEngine.data(); | - |
892 | } | - |
893 | QDataStream &operator<<(QDataStream &s, const QPicture &r) | - |
894 | { | - |
895 | quint32 size = r.d_func()->pictb.buffer().size(); | - |
896 | s << size; | - |
897 | | - |
898 | if (size == 0) | - |
899 | return s; | - |
900 | | - |
901 | s.writeRawData (r.d_func()->pictb.buffer(), r.d_func()->pictb.buffer().size()); | - |
902 | return s; | - |
903 | } | - |
904 | QDataStream &operator>>(QDataStream &s, QPicture &r) | - |
905 | { | - |
906 | QDataStream sr; | - |
907 | | - |
908 | | - |
909 | sr.setDevice(&r.d_func()->pictb); | - |
910 | sr.setVersion(r.d_func()->formatMajor); | - |
911 | quint32 len; | - |
912 | s >> len; | - |
913 | QByteArray data; | - |
914 | if (len > 0) { | - |
915 | data.resize(len); | - |
916 | s.readRawData(data.data(), len); | - |
917 | } | - |
918 | | - |
919 | r.d_func()->pictb.setData(data); | - |
920 | r.d_func()->resetFormat(); | - |
921 | return s; | - |
922 | } | - |
923 | | - |
924 | | - |
925 | | - |
926 | | - |
927 | | - |
928 | | - |
929 | | - |
930 | const char* QPicture::pictureFormat(const QString &fileName) | - |
931 | { | - |
932 | return QPictureIO::pictureFormat(fileName); | - |
933 | } | - |
934 | QList<QByteArray> QPicture::inputFormats() | - |
935 | { | - |
936 | return QPictureIO::inputFormats(); | - |
937 | } | - |
938 | | - |
939 | static QStringList qToStringList(const QList<QByteArray> &arr) | - |
940 | { | - |
941 | QStringList list; | - |
942 | const int count = arr.count(); | - |
943 | list.reserve(count); | - |
944 | for (int i = 0; i < count; ++i) | - |
945 | list.append(QString::fromLatin1(arr.at(i))); | - |
946 | return list; | - |
947 | } | - |
948 | QStringList QPicture::inputFormatList() | - |
949 | { | - |
950 | return qToStringList(QPictureIO::inputFormats()); | - |
951 | } | - |
952 | QStringList QPicture::outputFormatList() | - |
953 | { | - |
954 | return qToStringList(QPictureIO::outputFormats()); | - |
955 | } | - |
956 | QList<QByteArray> QPicture::outputFormats() | - |
957 | { | - |
958 | return QPictureIO::outputFormats(); | - |
959 | } | - |
960 | struct QPictureIOData | - |
961 | { | - |
962 | QPicture pi; | - |
963 | int iostat; | - |
964 | QByteArray frmt; | - |
965 | QIODevice *iodev; | - |
966 | QString fname; | - |
967 | QString descr; | - |
968 | const char *parameters; | - |
969 | int quality; | - |
970 | float gamma; | - |
971 | }; | - |
972 | | - |
973 | | - |
974 | | - |
975 | | - |
976 | | - |
977 | QPictureIO::QPictureIO() | - |
978 | { | - |
979 | init(); | - |
980 | } | - |
981 | | - |
982 | | - |
983 | | - |
984 | | - |
985 | | - |
986 | | - |
987 | QPictureIO::QPictureIO(QIODevice *ioDevice, const char *format) | - |
988 | { | - |
989 | init(); | - |
990 | d->iodev = ioDevice; | - |
991 | d->frmt = format; | - |
992 | } | - |
993 | | - |
994 | | - |
995 | | - |
996 | | - |
997 | | - |
998 | | - |
999 | QPictureIO::QPictureIO(const QString &fileName, const char* format) | - |
1000 | { | - |
1001 | init(); | - |
1002 | d->frmt = format; | - |
1003 | d->fname = fileName; | - |
1004 | } | - |
1005 | | - |
1006 | | - |
1007 | | - |
1008 | | - |
1009 | | - |
1010 | void QPictureIO::init() | - |
1011 | { | - |
1012 | d = new QPictureIOData(); | - |
1013 | d->parameters = 0; | - |
1014 | d->quality = -1; | - |
1015 | d->gamma=0.0f; | - |
1016 | d->iostat = 0; | - |
1017 | d->iodev = 0; | - |
1018 | } | - |
1019 | | - |
1020 | | - |
1021 | | - |
1022 | | - |
1023 | | - |
1024 | QPictureIO::~QPictureIO() | - |
1025 | { | - |
1026 | if (d->parameters) | - |
1027 | delete [] d->parameters; | - |
1028 | delete d; | - |
1029 | } | - |
1030 | | - |
1031 | | - |
1032 | | - |
1033 | | - |
1034 | | - |
1035 | | - |
1036 | class QPictureHandler | - |
1037 | { | - |
1038 | public: | - |
1039 | QPictureHandler(const char *f, const char *h, const QByteArray& fl, | - |
1040 | picture_io_handler r, picture_io_handler w); | - |
1041 | QByteArray format; | - |
1042 | QRegExp header; | - |
1043 | enum TMode { Untranslated=0, TranslateIn, TranslateInOut } text_mode; | - |
1044 | picture_io_handler read_picture; | - |
1045 | picture_io_handler write_picture; | - |
1046 | bool obsolete; | - |
1047 | }; | - |
1048 | | - |
1049 | QPictureHandler::QPictureHandler(const char *f, const char *h, const QByteArray& fl, | - |
1050 | picture_io_handler r, picture_io_handler w) | - |
1051 | : format(f), header(QString::fromLatin1(h)) | - |
1052 | { | - |
1053 | text_mode = Untranslated; | - |
1054 | if (fl.contains('t')) | - |
1055 | text_mode = TranslateIn; | - |
1056 | else if (fl.contains('T')) | - |
1057 | text_mode = TranslateInOut; | - |
1058 | obsolete = fl.contains('O'); | - |
1059 | read_picture = r; | - |
1060 | write_picture = w; | - |
1061 | } | - |
1062 | | - |
1063 | typedef QList<QPictureHandler *> QPHList; | - |
1064 | namespace { namespace Q_QGS_pictureHandlers { typedef QPHList Type; QBasicAtomicInt guard = { QtGlobalStatic::Uninitialized }; __attribute__((visibility("hidden"))) inline Type *innerFunction() { struct HolderBase { ~HolderBase() noexcept { if (guard.load() == QtGlobalStatic::Initialized) guard.store(QtGlobalStatic::Destroyed); } }; static struct Holder : public HolderBase { Type value; Holder() noexcept(noexcept(Type ())) : value () { guard.store(QtGlobalStatic::Initialized); } } holder; return &holder.value; } } } static QGlobalStatic<QPHList, Q_QGS_pictureHandlers::innerFunction, Q_QGS_pictureHandlers::guard> pictureHandlers; | - |
1065 | | - |
1066 | void qt_init_picture_plugins() | - |
1067 | { | - |
1068 | typedef QMultiMap<int, QString> PluginKeyMap; | - |
1069 | typedef PluginKeyMap::const_iterator PluginKeyMapConstIterator; | - |
1070 | | - |
1071 | static QBasicMutex mutex; | - |
1072 | QMutexLocker locker(&mutex); | - |
1073 | static QFactoryLoader loader("org.qt-project.Qt.QPictureFormatInterface", | - |
1074 | ([]() -> QString { enum { Size = sizeof(u"" "/pictureformats")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "/pictureformats" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }())); | - |
1075 | | - |
1076 | const PluginKeyMap keyMap = loader.keyMap(); | - |
1077 | const PluginKeyMapConstIterator cend = keyMap.constEnd(); | - |
1078 | for (PluginKeyMapConstIterator it = keyMap.constBegin(); it != cendTRUE | never evaluated | FALSE | never evaluated |
; ++it) { | 0 |
1079 | if (QPictureFormatPlugin *format = qobject_cast<QPictureFormatPlugin*>(loader.instance(it.key()))TRUE | never evaluated | FALSE | never evaluated |
) | 0 |
1080 | format->installIOHandler(it.value()); never executed: format->installIOHandler(it.value()); | 0 |
1081 | } never executed: end of block | 0 |
1082 | } never executed: end of block | 0 |
1083 | | - |
1084 | static void cleanup() | - |
1085 | { | - |
1086 | | - |
1087 | if (QPHList *list = pictureHandlers()) { | - |
1088 | qDeleteAll(*list); | - |
1089 | list->clear(); | - |
1090 | } | - |
1091 | } | - |
1092 | | - |
1093 | void qt_init_picture_handlers() | - |
1094 | { | - |
1095 | static QBasicAtomicInt done = { 0 }; | - |
1096 | if (done.testAndSetRelaxed(0, 1)) { | - |
1097 | qAddPostRoutine(cleanup); | - |
1098 | } | - |
1099 | } | - |
1100 | | - |
1101 | static QPictureHandler *get_picture_handler(const char *format) | - |
1102 | { | - |
1103 | qt_init_picture_handlers(); | - |
1104 | qt_init_picture_plugins(); | - |
1105 | if (QPHList *list = pictureHandlers()) { | - |
1106 | for (int i = 0; i < list->size(); ++i) { | - |
1107 | if (list->at(i)->format == format) | - |
1108 | return list->at(i); | - |
1109 | } | - |
1110 | } | - |
1111 | return 0; | - |
1112 | } | - |
1113 | void QPictureIO::defineIOHandler(const char *format, | - |
1114 | const char *header, | - |
1115 | const char *flags, | - |
1116 | picture_io_handler readPicture, | - |
1117 | picture_io_handler writePicture) | - |
1118 | { | - |
1119 | qt_init_picture_handlers(); | - |
1120 | if (QPHList *list = pictureHandlers()) { | - |
1121 | QPictureHandler *p; | - |
1122 | p = new QPictureHandler(format, header, QByteArray(flags), readPicture, writePicture); | - |
1123 | list->prepend(p); | - |
1124 | } | - |
1125 | } | - |
1126 | const QPicture &QPictureIO::picture() const { return d->pi; } | - |
1127 | | - |
1128 | | - |
1129 | | - |
1130 | | - |
1131 | | - |
1132 | | - |
1133 | | - |
1134 | int QPictureIO::status() const { return d->iostat; } | - |
1135 | | - |
1136 | | - |
1137 | | - |
1138 | | - |
1139 | | - |
1140 | const char *QPictureIO::format() const { return d->frmt; } | - |
1141 | | - |
1142 | | - |
1143 | | - |
1144 | | - |
1145 | | - |
1146 | | - |
1147 | QIODevice *QPictureIO::ioDevice() const { return d->iodev; } | - |
1148 | | - |
1149 | | - |
1150 | | - |
1151 | | - |
1152 | | - |
1153 | | - |
1154 | QString QPictureIO::fileName() const { return d->fname; } | - |
1155 | | - |
1156 | | - |
1157 | | - |
1158 | | - |
1159 | | - |
1160 | | - |
1161 | | - |
1162 | QString QPictureIO::description() const { return d->descr; } | - |
1163 | | - |
1164 | | - |
1165 | | - |
1166 | | - |
1167 | | - |
1168 | | - |
1169 | void QPictureIO::setPicture(const QPicture &picture) | - |
1170 | { | - |
1171 | d->pi = picture; | - |
1172 | } | - |
1173 | | - |
1174 | | - |
1175 | | - |
1176 | | - |
1177 | | - |
1178 | | - |
1179 | | - |
1180 | void QPictureIO::setStatus(int status) | - |
1181 | { | - |
1182 | d->iostat = status; | - |
1183 | } | - |
1184 | void QPictureIO::setFormat(const char *format) | - |
1185 | { | - |
1186 | d->frmt = format; | - |
1187 | } | - |
1188 | void QPictureIO::setIODevice(QIODevice *ioDevice) | - |
1189 | { | - |
1190 | d->iodev = ioDevice; | - |
1191 | } | - |
1192 | | - |
1193 | | - |
1194 | | - |
1195 | | - |
1196 | | - |
1197 | | - |
1198 | | - |
1199 | void QPictureIO::setFileName(const QString &fileName) | - |
1200 | { | - |
1201 | d->fname = fileName; | - |
1202 | } | - |
1203 | | - |
1204 | | - |
1205 | | - |
1206 | | - |
1207 | | - |
1208 | | - |
1209 | | - |
1210 | int QPictureIO::quality() const | - |
1211 | { | - |
1212 | return d->quality; | - |
1213 | } | - |
1214 | void QPictureIO::setQuality(int q) | - |
1215 | { | - |
1216 | d->quality = q; | - |
1217 | } | - |
1218 | | - |
1219 | | - |
1220 | | - |
1221 | | - |
1222 | | - |
1223 | | - |
1224 | | - |
1225 | const char *QPictureIO::parameters() const | - |
1226 | { | - |
1227 | return d->parameters; | - |
1228 | } | - |
1229 | void QPictureIO::setParameters(const char *parameters) | - |
1230 | { | - |
1231 | if (d->parameters) | - |
1232 | delete [] d->parameters; | - |
1233 | d->parameters = qstrdup(parameters); | - |
1234 | } | - |
1235 | void QPictureIO::setGamma(float gamma) | - |
1236 | { | - |
1237 | d->gamma=gamma; | - |
1238 | } | - |
1239 | | - |
1240 | | - |
1241 | | - |
1242 | | - |
1243 | | - |
1244 | | - |
1245 | float QPictureIO::gamma() const | - |
1246 | { | - |
1247 | return d->gamma; | - |
1248 | } | - |
1249 | void QPictureIO::setDescription(const QString &description) | - |
1250 | { | - |
1251 | d->descr = description; | - |
1252 | } | - |
1253 | QByteArray QPictureIO::pictureFormat(const QString &fileName) | - |
1254 | { | - |
1255 | QFile file(fileName); | - |
1256 | QByteArray format; | - |
1257 | if (!file.open(QIODevice::ReadOnly)) | - |
1258 | return format; | - |
1259 | format = pictureFormat(&file); | - |
1260 | file.close(); | - |
1261 | return format; | - |
1262 | } | - |
1263 | QByteArray QPictureIO::pictureFormat(QIODevice *d) | - |
1264 | { | - |
1265 | | - |
1266 | const int buflen = 14; | - |
1267 | | - |
1268 | char buf[buflen]; | - |
1269 | char buf2[buflen]; | - |
1270 | qt_init_picture_handlers(); | - |
1271 | qt_init_picture_plugins(); | - |
1272 | int pos = d->pos(); | - |
1273 | int rdlen = d->read(buf, buflen); | - |
1274 | | - |
1275 | QByteArray format; | - |
1276 | if (rdlen != buflen) | - |
1277 | return format; | - |
1278 | | - |
1279 | memcpy(buf2, buf, buflen); | - |
1280 | | - |
1281 | for (int n = 0; n < rdlen; n++) | - |
1282 | if (buf[n] == '\0') | - |
1283 | buf[n] = '\001'; | - |
1284 | if (rdlen > 0) { | - |
1285 | buf[rdlen - 1] = '\0'; | - |
1286 | QString bufStr = QString::fromLatin1(buf); | - |
1287 | if (QPHList *list = pictureHandlers()) { | - |
1288 | for (int i = 0; i < list->size(); ++i) { | - |
1289 | if (list->at(i)->header.indexIn(bufStr) != -1) { | - |
1290 | format = list->at(i)->format; | - |
1291 | break; | - |
1292 | } | - |
1293 | } | - |
1294 | } | - |
1295 | } | - |
1296 | d->seek(pos); | - |
1297 | return format; | - |
1298 | } | - |
1299 | | - |
1300 | | - |
1301 | | - |
1302 | | - |
1303 | | - |
1304 | QList<QByteArray> QPictureIO::inputFormats() | - |
1305 | { | - |
1306 | QList<QByteArray> result; | - |
1307 | | - |
1308 | qt_init_picture_handlers(); | - |
1309 | qt_init_picture_plugins(); | - |
1310 | | - |
1311 | if (QPHList *list = pictureHandlers()) { | - |
1312 | for (int i = 0; i < list->size(); ++i) { | - |
1313 | QPictureHandler *p = list->at(i); | - |
1314 | if (p->read_picture && !p->obsolete && !result.contains(p->format)) | - |
1315 | result.append(p->format); | - |
1316 | } | - |
1317 | } | - |
1318 | std::sort(result.begin(), result.end()); | - |
1319 | | - |
1320 | return result; | - |
1321 | } | - |
1322 | | - |
1323 | | - |
1324 | | - |
1325 | | - |
1326 | | - |
1327 | QList<QByteArray> QPictureIO::outputFormats() | - |
1328 | { | - |
1329 | qt_init_picture_handlers(); | - |
1330 | qt_init_picture_plugins(); | - |
1331 | | - |
1332 | QList<QByteArray> result; | - |
1333 | if (QPHList *list = pictureHandlers()) { | - |
1334 | for (int i = 0; i < list->size(); ++i) { | - |
1335 | QPictureHandler *p = list->at(i); | - |
1336 | if (p->write_picture && !p->obsolete && !result.contains(p->format)) | - |
1337 | result.append(p->format); | - |
1338 | } | - |
1339 | } | - |
1340 | return result; | - |
1341 | } | - |
1342 | bool QPictureIO::read() | - |
1343 | { | - |
1344 | QFile file; | - |
1345 | const char *picture_format; | - |
1346 | QPictureHandler *h; | - |
1347 | | - |
1348 | if (d->iodev) { | - |
1349 | | - |
1350 | } else if (!d->fname.isEmpty()) { | - |
1351 | file.setFileName(d->fname); | - |
1352 | if (!file.open(QIODevice::ReadOnly)) | - |
1353 | return false; | - |
1354 | d->iodev = &file; | - |
1355 | } else { | - |
1356 | return false; | - |
1357 | } | - |
1358 | if (d->frmt.isEmpty()) { | - |
1359 | | - |
1360 | picture_format = pictureFormat(d->iodev); | - |
1361 | if (!picture_format) { | - |
1362 | if (file.isOpen()) { | - |
1363 | file.close(); | - |
1364 | d->iodev = 0; | - |
1365 | } | - |
1366 | return false; | - |
1367 | } | - |
1368 | } else { | - |
1369 | picture_format = d->frmt; | - |
1370 | } | - |
1371 | | - |
1372 | h = get_picture_handler(picture_format); | - |
1373 | if (file.isOpen()) { | - |
1374 | | - |
1375 | | - |
1376 | | - |
1377 | | - |
1378 | | - |
1379 | | - |
1380 | | - |
1381 | file.seek(0); | - |
1382 | } | - |
1383 | d->iostat = 1; | - |
1384 | | - |
1385 | if (h && h->read_picture) | - |
1386 | (*h->read_picture)(this); | - |
1387 | | - |
1388 | if (file.isOpen()) { | - |
1389 | file.close(); | - |
1390 | d->iodev = 0; | - |
1391 | } | - |
1392 | return d->iostat == 0; | - |
1393 | } | - |
1394 | bool QPictureIO::write() | - |
1395 | { | - |
1396 | if (d->frmt.isEmpty()) | - |
1397 | return false; | - |
1398 | QPictureHandler *h = get_picture_handler(d->frmt); | - |
1399 | if (!h || !h->write_picture) { | - |
1400 | QMessageLogger(__FILE__, 19291933, __PRETTY_FUNCTION__).warning("QPictureIO::write: No such picture format handler: %s", | - |
1401 | format()); | - |
1402 | return false; | - |
1403 | } | - |
1404 | QFile file; | - |
1405 | if (!d->iodev && !d->fname.isEmpty()) { | - |
1406 | file.setFileName(d->fname); | - |
1407 | bool translate = h->text_mode==QPictureHandler::TranslateInOut; | - |
1408 | QIODevice::OpenMode fmode = translate ? QIODevice::WriteOnly | QIODevice::Text : QIODevice::OpenMode(QIODevice::WriteOnly); | - |
1409 | if (!file.open(fmode)) | - |
1410 | return false; | - |
1411 | d->iodev = &file; | - |
1412 | } | - |
1413 | d->iostat = 1; | - |
1414 | (*h->write_picture)(this); | - |
1415 | if (file.isOpen()) { | - |
1416 | file.close(); | - |
1417 | d->iodev = 0; | - |
1418 | } | - |
1419 | return d->iostat == 0; | - |
1420 | } | - |
1421 | | - |
1422 | | - |
1423 | | - |
| | |