#include <qprintengine_ps_p.h>
Inheritance diagram for QPSPrintEnginePrivate:
Definition at line 84 of file qprintengine_ps_p.h.
Public Member Functions | |
| QPSPrintEnginePrivate (QPrinter::PrinterMode m) | |
| ~QPSPrintEnginePrivate () | |
| void | emitHeader (bool finished) |
| void | emitPages () |
| void | drawImage (qreal x, qreal y, qreal w, qreal h, const QImage &img, const QImage &mask) |
| void | flushPage (bool last=false) |
Public Attributes | |
| int | pageCount |
| bool | epsf |
| QByteArray | fontsUsed |
| QByteArray | buffer |
| bool | firstPage |
| QRect | boundingBox |
| QPrinter::PrinterState | printerState |
| bool | hugeDocument |
| bool | headerDone |
| QPSPrintEnginePrivate::QPSPrintEnginePrivate | ( | QPrinter::PrinterMode | m | ) |
Definition at line 154 of file qprintengine_ps.cpp.
References QSettings::beginGroup(), QPdfBaseEnginePrivate::embedFonts, firstPage, QPdfBaseEnginePrivate::postscript, QVariant::toBool(), QSettings::UserScope, and QSettings::value().
00155 : QPdfBaseEnginePrivate(m), 00156 printerState(QPrinter::Idle), hugeDocument(false), headerDone(false) 00157 { 00158 postscript = true; 00159 00160 firstPage = true; 00161 00162 #ifndef QT_NO_SETTINGS 00163 QSettings settings(QSettings::UserScope, QLatin1String("Trolltech")); 00164 settings.beginGroup(QLatin1String("Qt")); 00165 embedFonts = settings.value(QLatin1String("embedFonts"), true).toBool(); 00166 #else 00167 embedFonts = true; 00168 #endif 00169 }
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| QPSPrintEnginePrivate::~QPSPrintEnginePrivate | ( | ) |
| void QPSPrintEnginePrivate::emitHeader | ( | bool | finished | ) |
Definition at line 432 of file qprintengine_ps.cpp.
References QRect::bottom(), boundingBox, QPdfBaseEnginePrivate::collate, QPdfBaseEnginePrivate::copies, QPdfBaseEnginePrivate::creator, QDateTime::currentDateTime(), QString::endsWith(), QPdfBaseEnginePrivate::fullPage, h, header(), headerDone, height, QRect::height(), int, QString::isEmpty(), QRect::isValid(), QPrinter::Landscape, QRect::left(), QPdfBaseEngine::metric(), QPdfBaseEnginePrivate::orientation, QPdfBaseEnginePrivate::outDevice, QPdfBaseEnginePrivate::outputFileName, pageCount, QPdfBaseEnginePrivate::pageRect(), QPdfBaseEnginePrivate::paperRect(), QPdfBaseEnginePrivate::pdev, QPaintDevice::PdmDpiY, QPrinter::Portrait, ps_header, QPaintEnginePrivate::q_ptr, qt_gen_epsf, QT_VERSION_STR, QRect::right(), s, scale(), QRect::setRect(), QPdfBaseEnginePrivate::title, QRect::top(), QDateTime::toString(), QString::toUtf8(), QRect::translate(), w, QRect::width(), width, wrapDSC(), and QIODevice::write().
Referenced by flushPage().
00433 { 00434 QPSPrintEngine *q = static_cast<QPSPrintEngine *>(q_ptr); 00435 QPrinter *printer = static_cast<QPrinter*>(pdev); 00436 00437 if (creator.isEmpty()) 00438 creator = QLatin1String("Qt " QT_VERSION_STR); 00439 00440 QByteArray header; 00441 QPdf::ByteStream s(&header); 00442 s << "%!PS-Adobe-1.0"; 00443 00444 qreal scale = 72. / ((qreal) q->metric(QPaintDevice::PdmDpiY)); 00445 QRect pageRect = this->pageRect(); 00446 QRect paperRect = this->paperRect(); 00447 int mtop = pageRect.top() - paperRect.top(); 00448 int mleft = pageRect.left() - paperRect.left(); 00449 int mbottom = paperRect.bottom() - pageRect.bottom(); 00450 int mright = paperRect.right() - pageRect.right(); 00451 int width = pageRect.width(); 00452 int height = pageRect.height(); 00453 if (finished && pageCount == 1 && copies == 1 && 00454 ((fullPage && qt_gen_epsf) || (outputFileName.endsWith(QLatin1String(".eps")))) 00455 ) { 00456 if (!boundingBox.isValid()) 00457 boundingBox.setRect(0, 0, width, height); 00458 if (orientation == QPrinter::Landscape) { 00459 if (!fullPage) 00460 boundingBox.translate(-mleft, -mtop); 00461 s << " EPSF-3.0\n%%BoundingBox: " 00462 << (int)(printer->height() - boundingBox.bottom())*scale // llx 00463 << (int)(printer->width() - boundingBox.right())*scale - 1 // lly 00464 << (int)(printer->height() - boundingBox.top())*scale + 1 // urx 00465 << (int)(printer->width() - boundingBox.left())*scale; // ury 00466 } else { 00467 if (!fullPage) 00468 boundingBox.translate(mleft, -mtop); 00469 s << " EPSF-3.0\n%%BoundingBox: " 00470 << (int)(boundingBox.left())*scale 00471 << (int)(printer->height() - boundingBox.bottom())*scale - 1 00472 << (int)(boundingBox.right())*scale + 1 00473 << (int)(printer->height() - boundingBox.top())*scale; 00474 } 00475 } else { 00476 int w = width + (fullPage ? 0 : mleft + mright); 00477 int h = height + (fullPage ? 0 : mtop + mbottom); 00478 w = (int)(w*scale); 00479 h = (int)(h*scale); 00480 // set a bounding box according to the DSC 00481 if (orientation == QPrinter::Landscape) 00482 s << "\n%%BoundingBox: 0 0 " << h << w; 00483 else 00484 s << "\n%%BoundingBox: 0 0 " << w << h; 00485 } 00486 s << "\n" << wrapDSC("%%Creator: " + creator.toUtf8()); 00487 if (!title.isEmpty()) 00488 s << wrapDSC("%%Title: " + title.toUtf8()); 00489 #ifndef QT_NO_DATESTRING 00490 s << "%%CreationDate: " << QDateTime::currentDateTime().toString().toUtf8(); 00491 #endif 00492 s << "\n%%Orientation: "; 00493 if (orientation == QPrinter::Landscape) 00494 s << "Landscape"; 00495 else 00496 s << "Portrait"; 00497 00498 s << "\n%%Pages: (atend)" 00499 "\n%%DocumentFonts: (atend)" 00500 "\n%%EndComments\n" 00501 00502 "%%BeginProlog\n" 00503 "% Prolog copyright 1994-2006 Trolltech. You may copy this prolog in any way\n" 00504 "% that is directly related to this document. For other use of this prolog,\n" 00505 "% see your licensing agreement for Qt.\n" 00506 << ps_header << "\n"; 00507 00508 00509 s << "/pageinit {\n"; 00510 if (!fullPage) { 00511 if (orientation == QPrinter::Portrait) 00512 s << mleft*scale << mbottom*scale << "translate\n"; 00513 else 00514 s << mtop*scale << mleft*scale << "translate\n"; 00515 } 00516 if (orientation == QPrinter::Portrait) { 00517 s << "% " << printer->widthMM() << "*" << printer->heightMM() 00518 << "mm (portrait)\n0 " << height*scale 00519 << "translate " << scale << "-" << scale << "scale } def\n"; 00520 } else { 00521 s << "% " << printer->heightMM() << "*" << printer->widthMM() 00522 << " mm (landscape)\n 90 rotate " << scale << "-" << scale << "scale } def\n"; 00523 } 00524 s << "%%EndProlog\n"; 00525 00526 00527 s << "%%BeginSetup\n"; 00528 if (copies > 1) { 00529 s << "/#copies " << copies << " def\n"; 00530 s << "/NumCopies " << copies << " SPD\n"; 00531 s << "/Collate " << (collate ? "true" : "false") << " SPD\n"; 00532 } 00533 s << "%%EndSetup\n"; 00534 00535 outDevice->write(header); 00536 headerDone = true; 00537 }
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| void QPSPrintEnginePrivate::emitPages | ( | ) |
Definition at line 540 of file qprintengine_ps.cpp.
References buffer, QHash< Key, T >::constBegin(), QHash< Key, T >::constEnd(), QPdfBaseEnginePrivate::fonts, hugeDocument, QPdfBaseEnginePrivate::outDevice, and QIODevice::write().
Referenced by flushPage().
00541 { 00542 if (!hugeDocument) { 00543 for (QHash<QFontEngine::FaceId, QFontSubset *>::const_iterator it = fonts.constBegin(); 00544 it != fonts.constEnd(); ++it) 00545 outDevice->write((*it)->toType1()); 00546 } 00547 00548 outDevice->write(buffer); 00549 00550 buffer = QByteArray(); 00551 hugeDocument = true; 00552 }
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| void QPSPrintEnginePrivate::drawImage | ( | qreal | x, | |
| qreal | y, | |||
| qreal | w, | |||
| qreal | h, | |||
| const QImage & | img, | |||
| const QImage & | mask | |||
| ) |
Definition at line 365 of file qprintengine_ps.cpp.
References QImage::allGray(), QPdfBaseEnginePrivate::colorMode, compress(), QImage::copy(), QPdfBaseEnginePrivate::currentPage, QImage::depth(), filters, Qt::gray, QPrinter::GrayScale, QImage::height(), height, QImage::isNull(), mask, ps_r7(), qMin(), QByteArray::size(), size, QImage::width(), and width.
00367 { 00368 if (!w || !h || img.isNull()) return; 00369 00370 int width = img.width(); 00371 int height = img.height(); 00372 qreal scaleX = width/w; 00373 qreal scaleY = height/h; 00374 00375 bool gray = (colorMode == QPrinter::GrayScale) || 00376 img.allGray(); 00377 int splitSize = 21830 * (gray ? 3 : 1); 00378 if (width * height > splitSize) { // 65535/3, tolerance for broken printers 00379 int images, subheight; 00380 images = (width * height + splitSize - 1) / splitSize; 00381 subheight = (height + images-1) / images; 00382 while (subheight * width > splitSize) { 00383 images++; 00384 subheight = (height + images-1) / images; 00385 } 00386 int suby = 0; 00387 while(suby < height) { 00388 drawImage(x, y + suby/scaleY, w, qMin(subheight, height-suby)/scaleY, 00389 img.copy(0, suby, width, qMin(subheight, height-suby)), 00390 mask.isNull() ? mask : mask.copy(0, suby, width, qMin(subheight, height-suby))); 00391 suby += subheight; 00392 } 00393 } else { 00394 QByteArray out; 00395 int size = 0; 00396 const char *bits; 00397 00398 if (!mask.isNull()) { 00399 int format; 00400 out = ::compress(mask, true, &format); 00401 size = (width+7)/8*height; 00402 *currentPage << "/mask currentfile/ASCII85Decode filter" 00403 << filters[format] 00404 << size << " string readstring\n"; 00405 ps_r7(*currentPage, out, out.size()); 00406 *currentPage << " pop def\n"; 00407 } 00408 if (img.depth() == 1) { 00409 size = (width+7)/8*height; 00410 bits = "1 "; 00411 } else if (gray) { 00412 size = width*height; 00413 bits = "8 "; 00414 } else { 00415 size = width*height*3; 00416 bits = "24 "; 00417 } 00418 00419 int format; 00420 out = ::compress(img, gray, &format); 00421 *currentPage << "/sl currentfile/ASCII85Decode filter" 00422 << filters[format] 00423 << size << " string readstring\n"; 00424 ps_r7(*currentPage, out, out.size()); 00425 *currentPage << " pop def\n"; 00426 *currentPage << width << ' ' << height << "[" << scaleX << " 0 0 " << scaleY << " 0 0]sl " 00427 << bits << (!mask.isNull() ? "mask " : "false ") 00428 << x << ' ' << y << " di\n"; 00429 } 00430 }
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| void QPSPrintEnginePrivate::flushPage | ( | bool | last = false |
) |
Definition at line 561 of file qprintengine_ps.cpp.
References QVector< T >::at(), buffer, QHash< Key, T >::constBegin(), QHash< Key, T >::constEnd(), QVector< T >::contains(), QPdfPage::content(), QPdfBaseEnginePrivate::currentPage, emitHeader(), emitPages(), QPdfPage::fonts, QPdfBaseEnginePrivate::fonts, headerDone, hugeDocument, i, QByteArray::isEmpty(), max_in_memory_size, QByteArray::number(), pageCount, s, and QVector< T >::size().
00562 { 00563 if (!last && currentPage->content().isEmpty()) 00564 return; 00565 00566 QPdf::ByteStream s(&buffer); 00567 s << "%%Page: " 00568 << pageCount << pageCount << "\n" 00569 << "%%BeginPageSetup\n" 00570 << "QI\n"; 00571 if (hugeDocument) { 00572 for (QHash<QFontEngine::FaceId, QFontSubset *>::const_iterator it = fonts.constBegin(); 00573 it != fonts.constEnd(); ++it) { 00574 if (currentPage->fonts.contains((*it)->object_id)) { 00575 if ((*it)->downloaded_glyphs == 0) { 00576 s << (*it)->toType1(); 00577 (*it)->downloaded_glyphs = 0; 00578 } else { 00579 s << (*it)->type1AddedGlyphs(); 00580 } 00581 } 00582 } 00583 } 00584 for (int i = 0; i < currentPage->fonts.size(); ++i) 00585 s << "(F" << QByteArray::number(currentPage->fonts.at(i)) << ") T1Setup\n"; 00586 00587 s << "%%EndPageSetup\nq\n" 00588 << currentPage->content() 00589 << "\nQ QP\n"; 00590 if (last || hugeDocument || buffer.size() > max_in_memory_size) { 00591 // qDebug("emiting header at page %d", pageCount); 00592 if (!headerDone) 00593 emitHeader(last); 00594 emitPages(); 00595 } 00596 pageCount++; 00597 }
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Definition at line 95 of file qprintengine_ps_p.h.
Definition at line 96 of file qprintengine_ps_p.h.
Definition at line 105 of file qprintengine_ps_p.h.
1.5.1