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authorLars Knoll <lars.knoll@nokia.com>2011-08-12 14:20:08 +0200
committerLars Knoll <lars.knoll@nokia.com>2011-08-19 09:15:28 +0200
commitb91d30eae1d4f75aa9e05c2c4fa204e24e953f6d (patch)
treeaf043c317097555783537bbb49dc1659f22f6db3 /src/gui/painting/qpdf.cpp
parent8f47da7b8f8d83bd79cde05dee6046b14a292ba9 (diff)
Move the PDF related functionality into QPdf
Goal is to have all functionality related to PDF generation in QPdf, and then separate out the parts related to interfacing with the printing system into the pdf printengine. Change-Id: I8c30cb65365c503945fc270fad5cbcaabe59495d Reviewed-on: http://codereview.qt.nokia.com/3201 Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>
Diffstat (limited to 'src/gui/painting/qpdf.cpp')
-rw-r--r--src/gui/painting/qpdf.cpp1666
1 files changed, 1137 insertions, 529 deletions
diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp
index 958e49907b..da87653ae7 100644
--- a/src/gui/painting/qpdf.cpp
+++ b/src/gui/painting/qpdf.cpp
@@ -44,18 +44,27 @@
#include <qfile.h>
#include <qtemporaryfile.h>
#include <private/qmath_p.h>
-#include "private/qcups_p.h"
-#include "qprinterinfo.h"
#include <qnumeric.h>
#include "private/qfont_p.h"
+#include <qimagewriter.h>
+#include "qbuffer.h"
+#include "QtCore/qdatetime.h"
-#ifdef Q_OS_UNIX
-#include "private/qcore_unix_p.h" // overrides QT_OPEN
+#ifndef QT_NO_COMPRESS
+#include <zlib.h>
#endif
-QT_BEGIN_NAMESPACE
+#ifdef QT_NO_COMPRESS
+static const bool do_compress = false;
+#else
+static const bool do_compress = true;
+#endif
+
+// might be helpful for smooth transforms of images
+// Can't use it though, as gs generates completely wrong images if this is true.
+static const bool interpolateImages = false;
-#ifndef QT_NO_PRINTER
+QT_BEGIN_NAMESPACE
extern QSizeF qt_paperSizeToQSizeF(QPrinter::PaperSize size);
@@ -914,36 +923,22 @@ const char *QPdf::paperSizeToString(QPrinter::PaperSize paperSize)
return psToStr[paperSize];
}
-// -------------------------- base engine, shared code between PS and PDF -----------------------
+QPdfPage::QPdfPage()
+ : QPdf::ByteStream(true) // Enable file backing
+{
+}
+
+void QPdfPage::streamImage(int w, int h, int object)
+{
+ *this << w << "0 0 " << -h << "0 " << h << "cm /Im" << object << " Do\n";
+ if (!images.contains(object))
+ images.append(object);
+}
+
QPdfBaseEngine::QPdfBaseEngine(QPdfBaseEnginePrivate &dd, PaintEngineFeatures f)
: QAlphaPaintEngine(dd, f)
{
- Q_D(QPdfBaseEngine);
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable()) {
- QCUPSSupport cups;
- const cups_dest_t* printers = cups.availablePrinters();
- int prnCount = cups.availablePrintersCount();
-
- for (int i = 0; i < prnCount; ++i) {
- if (printers[i].is_default) {
- d->printerName = QString::fromLocal8Bit(printers[i].name);
- break;
- }
- }
-
- } else
-#endif
- {
- d->printerName = QString::fromLocal8Bit(qgetenv("PRINTER"));
- if (d->printerName.isEmpty())
- d->printerName = QString::fromLocal8Bit(qgetenv("LPDEST"));
- if (d->printerName.isEmpty())
- d->printerName = QString::fromLocal8Bit(qgetenv("NPRINTER"));
- if (d->printerName.isEmpty())
- d->printerName = QString::fromLocal8Bit(qgetenv("NGPRINTER"));
- }
}
void QPdfBaseEngine::drawPoints (const QPointF *points, int pointCount)
@@ -1091,6 +1086,89 @@ void QPdfBaseEngine::drawPath (const QPainterPath &p)
}
}
+void QPdfBaseEngine::drawPixmap (const QRectF &rectangle, const QPixmap &pixmap, const QRectF &sr)
+{
+ if (sr.isEmpty() || rectangle.isEmpty() || pixmap.isNull())
+ return;
+ Q_D(QPdfBaseEngine);
+
+ QBrush b = d->brush;
+
+ QRect sourceRect = sr.toRect();
+ QPixmap pm = sourceRect != pixmap.rect() ? pixmap.copy(sourceRect) : pixmap;
+ QImage image = pm.toImage();
+ bool bitmap = true;
+ const int object = d->addImage(image, &bitmap, pm.cacheKey());
+ if (object < 0)
+ return;
+
+ *d->currentPage << "q\n/GSa gs\n";
+ *d->currentPage
+ << QPdf::generateMatrix(QTransform(rectangle.width() / sr.width(), 0, 0, rectangle.height() / sr.height(),
+ rectangle.x(), rectangle.y()) * (d->simplePen ? QTransform() : d->stroker.matrix));
+ if (bitmap) {
+ // set current pen as d->brush
+ d->brush = d->pen.brush();
+ }
+ setBrush();
+ d->currentPage->streamImage(image.width(), image.height(), object);
+ *d->currentPage << "Q\n";
+
+ d->brush = b;
+}
+
+void QPdfBaseEngine::drawImage(const QRectF &rectangle, const QImage &image, const QRectF &sr, Qt::ImageConversionFlags)
+{
+ if (sr.isEmpty() || rectangle.isEmpty() || image.isNull())
+ return;
+ Q_D(QPdfBaseEngine);
+
+ QRect sourceRect = sr.toRect();
+ QImage im = sourceRect != image.rect() ? image.copy(sourceRect) : image;
+ bool bitmap = true;
+ const int object = d->addImage(im, &bitmap, im.cacheKey());
+ if (object < 0)
+ return;
+
+ *d->currentPage << "q\n/GSa gs\n";
+ *d->currentPage
+ << QPdf::generateMatrix(QTransform(rectangle.width() / sr.width(), 0, 0, rectangle.height() / sr.height(),
+ rectangle.x(), rectangle.y()) * (d->simplePen ? QTransform() : d->stroker.matrix));
+ setBrush();
+ d->currentPage->streamImage(im.width(), im.height(), object);
+ *d->currentPage << "Q\n";
+}
+
+void QPdfBaseEngine::drawTiledPixmap (const QRectF &rectangle, const QPixmap &pixmap, const QPointF &point)
+{
+ Q_D(QPdfBaseEngine);
+
+ bool bitmap = (pixmap.depth() == 1);
+ QBrush b = d->brush;
+ QPointF bo = d->brushOrigin;
+ bool hp = d->hasPen;
+ d->hasPen = false;
+ bool hb = d->hasBrush;
+ d->hasBrush = true;
+
+ d->brush = QBrush(pixmap);
+ if (bitmap)
+ // #### fix bitmap case where we have a brush pen
+ d->brush.setColor(d->pen.color());
+
+ d->brushOrigin = -point;
+ *d->currentPage << "q\n";
+ setBrush();
+
+ drawRects(&rectangle, 1);
+ *d->currentPage << "Q\n";
+
+ d->hasPen = hp;
+ d->hasBrush = hb;
+ d->brush = b;
+ d->brushOrigin = bo;
+}
+
void QPdfBaseEngine::drawTextItem(const QPointF &p, const QTextItem &textItem)
{
Q_D(QPdfBaseEngine);
@@ -1337,9 +1415,48 @@ void QPdfBaseEngine::setPen()
*d->currentPage << QPdf::generateDashes(d->pen) << " 0 d\n";
}
+
+void QPdfBaseEngine::setBrush()
+{
+ Q_D(QPdfBaseEngine);
+ Qt::BrushStyle style = d->brush.style();
+ if (style == Qt::NoBrush)
+ return;
+
+ bool specifyColor;
+ int gStateObject = 0;
+ int patternObject = d->addBrushPattern(d->stroker.matrix, &specifyColor, &gStateObject);
+
+ *d->currentPage << (patternObject ? "/PCSp cs " : "/CSp cs ");
+ if (specifyColor) {
+ QColor rgba = d->brush.color();
+ if (d->colorMode == QPrinter::GrayScale) {
+ qreal gray = qGray(rgba.rgba())/255.;
+ *d->currentPage << gray << gray << gray;
+ } else {
+ *d->currentPage << rgba.redF()
+ << rgba.greenF()
+ << rgba.blueF();
+ }
+ }
+ if (patternObject)
+ *d->currentPage << "/Pat" << patternObject;
+ *d->currentPage << "scn\n";
+
+ if (gStateObject)
+ *d->currentPage << "/GState" << gStateObject << "gs\n";
+ else
+ *d->currentPage << "/GSa gs\n";
+}
+
+
bool QPdfBaseEngine::newPage()
{
Q_D(QPdfBaseEngine);
+ if (!isActive())
+ return false;
+ d->newPage();
+
setupGraphicsState(DirtyBrush|DirtyPen|DirtyClipPath);
QFile *outfile = qobject_cast<QFile*> (d->outDevice);
if (outfile && outfile->error() != QFile::NoError)
@@ -1347,6 +1464,12 @@ bool QPdfBaseEngine::newPage()
return true;
}
+QPaintEngine::Type QPdfBaseEngine::type() const
+{
+ return QPaintEngine::Pdf;
+}
+
+
int QPdfBaseEngine::metric(QPaintDevice::PaintDeviceMetric metricType) const
{
@@ -1387,210 +1510,6 @@ int QPdfBaseEngine::metric(QPaintDevice::PaintDeviceMetric metricType) const
return val;
}
-void QPdfBaseEngine::setProperty(PrintEnginePropertyKey key, const QVariant &value)
-{
- Q_D(QPdfBaseEngine);
- switch (int(key)) {
- case PPK_CollateCopies:
- d->collate = value.toBool();
- break;
- case PPK_ColorMode:
- d->colorMode = QPrinter::ColorMode(value.toInt());
- break;
- case PPK_Creator:
- d->creator = value.toString();
- break;
- case PPK_DocumentName:
- d->title = value.toString();
- break;
- case PPK_FullPage:
- d->fullPage = value.toBool();
- break;
- case PPK_CopyCount: // fallthrough
- case PPK_NumberOfCopies:
- d->copies = value.toInt();
- break;
- case PPK_Orientation:
- d->orientation = QPrinter::Orientation(value.toInt());
- break;
- case PPK_OutputFileName:
- d->outputFileName = value.toString();
- break;
- case PPK_PageOrder:
- d->pageOrder = QPrinter::PageOrder(value.toInt());
- break;
- case PPK_PaperSize:
- d->paperSize = QPrinter::PaperSize(value.toInt());
- break;
- case PPK_PaperSource:
- d->paperSource = QPrinter::PaperSource(value.toInt());
- break;
- case PPK_PrinterName:
- d->printerName = value.toString();
- break;
- case PPK_PrinterProgram:
- d->printProgram = value.toString();
- break;
- case PPK_Resolution:
- d->resolution = value.toInt();
- break;
- case PPK_SelectionOption:
- d->selectionOption = value.toString();
- break;
- case PPK_FontEmbedding:
- d->embedFonts = value.toBool();
- break;
- case PPK_Duplex:
- d->duplex = static_cast<QPrinter::DuplexMode> (value.toInt());
- break;
- case PPK_CupsPageRect:
- d->cupsPageRect = value.toRect();
- break;
- case PPK_CupsPaperRect:
- d->cupsPaperRect = value.toRect();
- break;
- case PPK_CupsOptions:
- d->cupsOptions = value.toStringList();
- break;
- case PPK_CupsStringPageSize:
- d->cupsStringPageSize = value.toString();
- break;
- case PPK_CustomPaperSize:
- d->paperSize = QPrinter::Custom;
- d->customPaperSize = value.toSizeF();
- break;
- case PPK_PageMargins:
- {
- QList<QVariant> margins(value.toList());
- Q_ASSERT(margins.size() == 4);
- d->leftMargin = margins.at(0).toReal();
- d->topMargin = margins.at(1).toReal();
- d->rightMargin = margins.at(2).toReal();
- d->bottomMargin = margins.at(3).toReal();
- d->hasCustomPageMargins = true;
- break;
- }
- default:
- break;
- }
-}
-
-QVariant QPdfBaseEngine::property(PrintEnginePropertyKey key) const
-{
- Q_D(const QPdfBaseEngine);
-
- QVariant ret;
- switch (int(key)) {
- case PPK_CollateCopies:
- ret = d->collate;
- break;
- case PPK_ColorMode:
- ret = d->colorMode;
- break;
- case PPK_Creator:
- ret = d->creator;
- break;
- case PPK_DocumentName:
- ret = d->title;
- break;
- case PPK_FullPage:
- ret = d->fullPage;
- break;
- case PPK_CopyCount:
- ret = d->copies;
- break;
- case PPK_SupportsMultipleCopies:
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable())
- ret = true;
- else
-#endif
- ret = false;
- break;
- case PPK_NumberOfCopies:
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable())
- ret = 1;
- else
-#endif
- ret = d->copies;
- break;
- case PPK_Orientation:
- ret = d->orientation;
- break;
- case PPK_OutputFileName:
- ret = d->outputFileName;
- break;
- case PPK_PageOrder:
- ret = d->pageOrder;
- break;
- case PPK_PaperSize:
- ret = d->paperSize;
- break;
- case PPK_PaperSource:
- ret = d->paperSource;
- break;
- case PPK_PrinterName:
- ret = d->printerName;
- break;
- case PPK_PrinterProgram:
- ret = d->printProgram;
- break;
- case PPK_Resolution:
- ret = d->resolution;
- break;
- case PPK_SupportedResolutions:
- ret = QList<QVariant>() << 72;
- break;
- case PPK_PaperRect:
- ret = d->paperRect();
- break;
- case PPK_PageRect:
- ret = d->pageRect();
- break;
- case PPK_SelectionOption:
- ret = d->selectionOption;
- break;
- case PPK_FontEmbedding:
- ret = d->embedFonts;
- break;
- case PPK_Duplex:
- ret = d->duplex;
- break;
- case PPK_CupsPageRect:
- ret = d->cupsPageRect;
- break;
- case PPK_CupsPaperRect:
- ret = d->cupsPaperRect;
- break;
- case PPK_CupsOptions:
- ret = d->cupsOptions;
- break;
- case PPK_CupsStringPageSize:
- ret = d->cupsStringPageSize;
- break;
- case PPK_CustomPaperSize:
- ret = d->customPaperSize;
- break;
- case PPK_PageMargins:
- {
- QList<QVariant> margins;
- if (d->hasCustomPageMargins) {
- margins << d->leftMargin << d->topMargin
- << d->rightMargin << d->bottomMargin;
- } else {
- const qreal defaultMargin = 10; // ~3.5 mm
- margins << defaultMargin << defaultMargin
- << defaultMargin << defaultMargin;
- }
- ret = margins;
- break;
- }
- default:
- break;
- }
- return ret;
-}
QPdfBaseEnginePrivate::QPdfBaseEnginePrivate(QPrinter::PrinterMode m)
: clipEnabled(false), allClipped(false), hasPen(true), hasBrush(false), simplePen(false),
@@ -1612,6 +1531,13 @@ QPdfBaseEnginePrivate::QPdfBaseEnginePrivate(QPrinter::PrinterMode m)
currentObject = 1;
currentPage = 0;
stroker.stream = 0;
+
+ streampos = 0;
+
+ stream = new QDataStream;
+ pageOrder = QPrinter::FirstPageFirst;
+ orientation = QPrinter::Portrait;
+ fullPage = false;
}
bool QPdfBaseEngine::begin(QPaintDevice *pdev)
@@ -1626,289 +1552,1021 @@ bool QPdfBaseEngine::begin(QPaintDevice *pdev)
d->stroker.stream = d->currentPage;
d->opacity = 1.0;
- return d->openPrintDevice();
+ d->stream->setDevice(d->outDevice);
+
+ d->streampos = 0;
+ d->hasPen = true;
+ d->hasBrush = false;
+ d->clipEnabled = false;
+ d->allClipped = false;
+
+ d->xrefPositions.clear();
+ d->pageRoot = 0;
+ d->catalog = 0;
+ d->info = 0;
+ d->graphicsState = 0;
+ d->patternColorSpace = 0;
+
+ d->pages.clear();
+ d->imageCache.clear();
+
+ setActive(true);
+ d->writeHeader();
+ newPage();
+
+ return true;
}
bool QPdfBaseEngine::end()
{
Q_D(QPdfBaseEngine);
+ d->writeTail();
+
+ d->stream->unsetDevice();
+
qDeleteAll(d->fonts);
d->fonts.clear();
delete d->currentPage;
d->currentPage = 0;
- d->closePrintDevice();
+ setActive(false);
return true;
}
-#ifndef QT_NO_LPR
-static void closeAllOpenFds()
+QPdfBaseEnginePrivate::~QPdfBaseEnginePrivate()
{
- // hack time... getting the maximum number of open
- // files, if possible. if not we assume it's the
- // larger of 256 and the fd we got
- int i;
-#if defined(_SC_OPEN_MAX)
- i = (int)sysconf(_SC_OPEN_MAX);
-#elif defined(_POSIX_OPEN_MAX)
- i = (int)_POSIX_OPEN_MAX;
-#elif defined(OPEN_MAX)
- i = (int)OPEN_MAX;
-#else
- i = 256;
-#endif
- // leave stdin/out/err untouched
- while(--i > 2)
- QT_CLOSE(i);
+ qDeleteAll(fonts);
+ delete currentPage;
+ delete stream;
}
-#endif
-bool QPdfBaseEnginePrivate::openPrintDevice()
+QRect QPdfBaseEnginePrivate::paperRect() const
{
- if(outDevice)
- return false;
-
- if (!outputFileName.isEmpty()) {
- QFile *file = new QFile(outputFileName);
- if (! file->open(QFile::WriteOnly|QFile::Truncate)) {
- delete file;
- return false;
+ int w;
+ int h;
+ if (paperSize == QPrinter::Custom) {
+ w = qRound(customPaperSize.width()*resolution/72.);
+ h = qRound(customPaperSize.height()*resolution/72.);
+ } else {
+ if (!cupsPaperRect.isNull()) {
+ QRect r = cupsPaperRect;
+ w = r.width();
+ h = r.height();
+ } else{
+ QPdf::PaperSize s = QPdf::paperSize(paperSize);
+ w = s.width;
+ h = s.height;
}
- outDevice = file;
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- } else if (QCUPSSupport::isAvailable()) {
- QCUPSSupport cups;
- QPair<int, QString> ret = cups.tempFd();
- if (ret.first < 0) {
- qWarning("QPdfPrinter: Could not open temporary file to print");
- return false;
+ w = qRound(w*resolution/72.);
+ h = qRound(h*resolution/72.);
+ }
+ if (orientation == QPrinter::Portrait)
+ return QRect(0, 0, w, h);
+ else
+ return QRect(0, 0, h, w);
+}
+
+QRect QPdfBaseEnginePrivate::pageRect() const
+{
+ if(fullPage)
+ return paperRect();
+
+ QRect r;
+
+ if (!hasCustomPageMargins && !cupsPageRect.isNull()) {
+ r = cupsPageRect;
+ if (r == cupsPaperRect) {
+ // if cups doesn't define any margins, give it at least approx 3.5 mm
+ r = QRect(10, 10, r.width() - 20, r.height() - 20);
}
- cupsTempFile = ret.second;
- outDevice = new QFile();
- static_cast<QFile *>(outDevice)->open(ret.first, QIODevice::WriteOnly);
-#endif
-#ifndef QT_NO_LPR
} else {
- QString pr;
- if (!printerName.isEmpty())
- pr = printerName;
- int fds[2];
- if (qt_safe_pipe(fds) != 0) {
- qWarning("QPdfPrinter: Could not open pipe to print");
- return false;
+ QPdf::PaperSize s;
+ if (paperSize == QPrinter::Custom) {
+ s.width = qRound(customPaperSize.width());
+ s.height = qRound(customPaperSize.height());
+ } else {
+ s = QPdf::paperSize(paperSize);
}
+ if (hasCustomPageMargins)
+ r = QRect(0, 0, s.width, s.height);
+ else
+ r = QRect(72/3, 72/3, s.width - 2*72/3, s.height - 2*72/3);
+ }
- pid_t pid = fork();
- if (pid == 0) { // child process
- // if possible, exit quickly, so the actual lp/lpr
- // becomes a child of init, and ::waitpid() is
- // guaranteed not to wait.
- if (fork() > 0) {
- closeAllOpenFds();
-
- // try to replace this process with "true" - this prevents
- // global destructors from being called (that could possibly
- // do wrong things to the parent process)
- (void)execlp("true", "true", (char *)0);
- (void)execl("/bin/true", "true", (char *)0);
- (void)execl("/usr/bin/true", "true", (char *)0);
- ::_exit(0);
- }
- qt_safe_dup2(fds[0], 0, 0);
+ int x = qRound(r.left()*resolution/72.);
+ int y = qRound(r.top()*resolution/72.);
+ int w = qRound(r.width()*resolution/72.);
+ int h = qRound(r.height()*resolution/72.);
+ if (orientation == QPrinter::Portrait)
+ r = QRect(x, y, w, h);
+ else
+ r = QRect(y, x, h, w);
+
+ if (hasCustomPageMargins) {
+ r.adjust(qRound(leftMargin*(resolution/72.)),
+ qRound(topMargin*(resolution/72.)),
+ -qRound(rightMargin*(resolution/72.)),
+ -qRound(bottomMargin*(resolution/72.)));
+ }
+ return r;
+}
- closeAllOpenFds();
- if (!printProgram.isEmpty()) {
- if (!selectionOption.isEmpty())
- pr.prepend(selectionOption);
- else
- pr.prepend(QLatin1String("-P"));
- (void)execlp(printProgram.toLocal8Bit().data(), printProgram.toLocal8Bit().data(),
- pr.toLocal8Bit().data(), (char *)0);
- } else {
- // if no print program has been specified, be smart
- // about the option string too.
- QList<QByteArray> lprhack;
- QList<QByteArray> lphack;
- QByteArray media;
- if (!pr.isEmpty() || !selectionOption.isEmpty()) {
- if (!selectionOption.isEmpty()) {
- QStringList list = selectionOption.split(QLatin1Char(' '));
- for (int i = 0; i < list.size(); ++i)
- lprhack.append(list.at(i).toLocal8Bit());
- lphack = lprhack;
- } else {
- lprhack.append("-P");
- lphack.append("-d");
- }
- lprhack.append(pr.toLocal8Bit());
- lphack.append(pr.toLocal8Bit());
- }
- lphack.append("-s");
-
- char ** lpargs = new char *[lphack.size()+6];
- char lp[] = "lp";
- lpargs[0] = lp;
- int i;
- for (i = 0; i < lphack.size(); ++i)
- lpargs[i+1] = (char *)lphack.at(i).constData();
-#ifndef Q_OS_OSF
- if (QPdf::paperSizeToString(paperSize)) {
- char dash_o[] = "-o";
- lpargs[++i] = dash_o;
- lpargs[++i] = const_cast<char *>(QPdf::paperSizeToString(paperSize));
- lpargs[++i] = dash_o;
- media = "media=";
- media += QPdf::paperSizeToString(paperSize);
- lpargs[++i] = media.data();
- }
+void QPdfBaseEnginePrivate::writeHeader()
+{
+ addXrefEntry(0,false);
+
+ xprintf("%%PDF-1.4\n");
+
+ writeInfo();
+
+ catalog = addXrefEntry(-1);
+ pageRoot = requestObject();
+ xprintf("<<\n"
+ "/Type /Catalog\n"
+ "/Pages %d 0 R\n"
+ ">>\n"
+ "endobj\n", pageRoot);
+
+ // graphics state
+ graphicsState = addXrefEntry(-1);
+ xprintf("<<\n"
+ "/Type /ExtGState\n"
+ "/SA true\n"
+ "/SM 0.02\n"
+ "/ca 1.0\n"
+ "/CA 1.0\n"
+ "/AIS false\n"
+ "/SMask /None"
+ ">>\n"
+ "endobj\n");
+
+ // color space for pattern
+ patternColorSpace = addXrefEntry(-1);
+ xprintf("[/Pattern /DeviceRGB]\n"
+ "endobj\n");
+}
+
+void QPdfBaseEnginePrivate::writeInfo()
+{
+ info = addXrefEntry(-1);
+ xprintf("<<\n/Title ");
+ printString(title);
+ xprintf("\n/Creator ");
+ printString(creator);
+ xprintf("\n/Producer ");
+ printString(QString::fromLatin1("Qt " QT_VERSION_STR " (C) 2011 Nokia Corporation and/or its subsidiary(-ies)"));
+ QDateTime now = QDateTime::currentDateTime().toUTC();
+ QTime t = now.time();
+ QDate d = now.date();
+ xprintf("\n/CreationDate (D:%d%02d%02d%02d%02d%02d)\n",
+ d.year(),
+ d.month(),
+ d.day(),
+ t.hour(),
+ t.minute(),
+ t.second());
+ xprintf(">>\n"
+ "endobj\n");
+}
+
+void QPdfBaseEnginePrivate::writePageRoot()
+{
+ addXrefEntry(pageRoot);
+
+ xprintf("<<\n"
+ "/Type /Pages\n"
+ "/Kids \n"
+ "[\n");
+ int size = pages.size();
+ for (int i = 0; i < size; ++i)
+ xprintf("%d 0 R\n", pages[i]);
+ xprintf("]\n");
+
+ //xprintf("/Group <</S /Transparency /I true /K false>>\n");
+ xprintf("/Count %d\n", pages.size());
+
+ xprintf("/ProcSet [/PDF /Text /ImageB /ImageC]\n"
+ ">>\n"
+ "endobj\n");
+}
+
+
+void QPdfBaseEnginePrivate::embedFont(QFontSubset *font)
+{
+ //qDebug() << "embedFont" << font->object_id;
+ int fontObject = font->object_id;
+ QByteArray fontData = font->toTruetype();
+#ifdef FONT_DUMP
+ static int i = 0;
+ QString fileName("font%1.ttf");
+ fileName = fileName.arg(i++);
+ QFile ff(fileName);
+ ff.open(QFile::WriteOnly);
+ ff.write(fontData);
+ ff.close();
#endif
- lpargs[++i] = 0;
- char **lprargs = new char *[lprhack.size()+2];
- char lpr[] = "lpr";
- lprargs[0] = lpr;
- for (int i = 0; i < lprhack.size(); ++i)
- lprargs[i+1] = (char *)lprhack[i].constData();
- lprargs[lprhack.size() + 1] = 0;
- (void)execvp("lp", lpargs);
- (void)execvp("lpr", lprargs);
- (void)execv("/bin/lp", lpargs);
- (void)execv("/bin/lpr", lprargs);
- (void)execv("/usr/bin/lp", lpargs);
- (void)execv("/usr/bin/lpr", lprargs);
-
- delete []lpargs;
- delete []lprargs;
- }
- // if we couldn't exec anything, close the fd,
- // wait for a second so the parent process (the
- // child of the GUI process) has exited. then
- // exit.
- QT_CLOSE(0);
- (void)::sleep(1);
- ::_exit(0);
+
+ int fontDescriptor = requestObject();
+ int fontstream = requestObject();
+ int cidfont = requestObject();
+ int toUnicode = requestObject();
+
+ QFontEngine::Properties properties = font->fontEngine->properties();
+
+ {
+ qreal scale = 1000/properties.emSquare.toReal();
+ addXrefEntry(fontDescriptor);
+ QByteArray descriptor;
+ QPdf::ByteStream s(&descriptor);
+ s << "<< /Type /FontDescriptor\n"
+ "/FontName /Q";
+ int tag = fontDescriptor;
+ for (int i = 0; i < 5; ++i) {
+ s << (char)('A' + (tag % 26));
+ tag /= 26;
}
- // parent process
- QT_CLOSE(fds[0]);
- fd = fds[1];
- (void)qt_safe_waitpid(pid, 0, 0);
+ s << '+' << properties.postscriptName << "\n"
+ "/Flags " << 4 << "\n"
+ "/FontBBox ["
+ << properties.boundingBox.x()*scale
+ << -(properties.boundingBox.y() + properties.boundingBox.height())*scale
+ << (properties.boundingBox.x() + properties.boundingBox.width())*scale
+ << -properties.boundingBox.y()*scale << "]\n"
+ "/ItalicAngle " << properties.italicAngle.toReal() << "\n"
+ "/Ascent " << properties.ascent.toReal()*scale << "\n"
+ "/Descent " << -properties.descent.toReal()*scale << "\n"
+ "/CapHeight " << properties.capHeight.toReal()*scale << "\n"
+ "/StemV " << properties.lineWidth.toReal()*scale << "\n"
+ "/FontFile2 " << fontstream << "0 R\n"
+ ">> endobj\n";
+ write(descriptor);
+ }
+ {
+ addXrefEntry(fontstream);
+ QByteArray header;
+ QPdf::ByteStream s(&header);
+
+ int length_object = requestObject();
+ s << "<<\n"
+ "/Length1 " << fontData.size() << "\n"
+ "/Length " << length_object << "0 R\n";
+ if (do_compress)
+ s << "/Filter /FlateDecode\n";
+ s << ">>\n"
+ "stream\n";
+ write(header);
+ int len = writeCompressed(fontData);
+ write("endstream\n"
+ "endobj\n");
+ addXrefEntry(length_object);
+ xprintf("%d\n"
+ "endobj\n", len);
+ }
+ {
+ addXrefEntry(cidfont);
+ QByteArray cid;
+ QPdf::ByteStream s(&cid);
+ s << "<< /Type /Font\n"
+ "/Subtype /CIDFontType2\n"
+ "/BaseFont /" << properties.postscriptName << "\n"
+ "/CIDSystemInfo << /Registry (Adobe) /Ordering (Identity) /Supplement 0 >>\n"
+ "/FontDescriptor " << fontDescriptor << "0 R\n"
+ "/CIDToGIDMap /Identity\n"
+ << font->widthArray() <<
+ ">>\n"
+ "endobj\n";
+ write(cid);
+ }
+ {
+ addXrefEntry(toUnicode);
+ QByteArray touc = font->createToUnicodeMap();
+ xprintf("<< /Length %d >>\n"
+ "stream\n", touc.length());
+ write(touc);
+ write("endstream\n"
+ "endobj\n");
+ }
+ {
+ addXrefEntry(fontObject);
+ QByteArray font;
+ QPdf::ByteStream s(&font);
+ s << "<< /Type /Font\n"
+ "/Subtype /Type0\n"
+ "/BaseFont /" << properties.postscriptName << "\n"
+ "/Encoding /Identity-H\n"
+ "/DescendantFonts [" << cidfont << "0 R]\n"
+ "/ToUnicode " << toUnicode << "0 R"
+ ">>\n"
+ "endobj\n";
+ write(font);
+ }
+}
- if (fd < 0)
- return false;
- outDevice = new QFile();
- static_cast<QFile *>(outDevice)->open(fd, QIODevice::WriteOnly);
-#endif
+void QPdfBaseEnginePrivate::writeFonts()
+{
+ for (QHash<QFontEngine::FaceId, QFontSubset *>::iterator it = fonts.begin(); it != fonts.end(); ++it) {
+ embedFont(*it);
+ delete *it;
}
+ fonts.clear();
+}
- return true;
+void QPdfBaseEnginePrivate::writePage()
+{
+ if (pages.empty())
+ return;
+
+ *currentPage << "Q Q\n";
+
+ uint pageStream = requestObject();
+ uint pageStreamLength = requestObject();
+ uint resources = requestObject();
+ uint annots = requestObject();
+
+ addXrefEntry(pages.last());
+ xprintf("<<\n"
+ "/Type /Page\n"
+ "/Parent %d 0 R\n"
+ "/Contents %d 0 R\n"
+ "/Resources %d 0 R\n"
+ "/Annots %d 0 R\n"
+ "/MediaBox [0 0 %d %d]\n"
+ ">>\n"
+ "endobj\n",
+ pageRoot, pageStream, resources, annots,
+ // make sure we use the pagesize from when we started the page, since the user may have changed it
+ currentPage->pageSize.width(), currentPage->pageSize.height());
+
+ addXrefEntry(resources);
+ xprintf("<<\n"
+ "/ColorSpace <<\n"
+ "/PCSp %d 0 R\n"
+ "/CSp /DeviceRGB\n"
+ "/CSpg /DeviceGray\n"
+ ">>\n"
+ "/ExtGState <<\n"
+ "/GSa %d 0 R\n",
+ patternColorSpace, graphicsState);
+
+ for (int i = 0; i < currentPage->graphicStates.size(); ++i)
+ xprintf("/GState%d %d 0 R\n", currentPage->graphicStates.at(i), currentPage->graphicStates.at(i));
+ xprintf(">>\n");
+
+ xprintf("/Pattern <<\n");
+ for (int i = 0; i < currentPage->patterns.size(); ++i)
+ xprintf("/Pat%d %d 0 R\n", currentPage->patterns.at(i), currentPage->patterns.at(i));
+ xprintf(">>\n");
+
+ xprintf("/Font <<\n");
+ for (int i = 0; i < currentPage->fonts.size();++i)
+ xprintf("/F%d %d 0 R\n", currentPage->fonts[i], currentPage->fonts[i]);
+ xprintf(">>\n");
+
+ xprintf("/XObject <<\n");
+ for (int i = 0; i<currentPage->images.size(); ++i) {
+ xprintf("/Im%d %d 0 R\n", currentPage->images.at(i), currentPage->images.at(i));
+ }
+ xprintf(">>\n");
+
+ xprintf(">>\n"
+ "endobj\n");
+
+ addXrefEntry(annots);
+ xprintf("[ ");
+ for (int i = 0; i<currentPage->annotations.size(); ++i) {
+ xprintf("%d 0 R ", currentPage->annotations.at(i));
+ }
+ xprintf("]\nendobj\n");
+
+ addXrefEntry(pageStream);
+ xprintf("<<\n"
+ "/Length %d 0 R\n", pageStreamLength); // object number for stream length object
+ if (do_compress)
+ xprintf("/Filter /FlateDecode\n");
+
+ xprintf(">>\n");
+ xprintf("stream\n");
+ QIODevice *content = currentPage->stream();
+ int len = writeCompressed(content);
+ xprintf("endstream\n"
+ "endobj\n");
+
+ addXrefEntry(pageStreamLength);
+ xprintf("%d\nendobj\n",len);
+}
+
+void QPdfBaseEnginePrivate::writeTail()
+{
+ writePage();
+ writeFonts();
+ writePageRoot();
+ addXrefEntry(xrefPositions.size(),false);
+ xprintf("xref\n"
+ "0 %d\n"
+ "%010d 65535 f \n", xrefPositions.size()-1, xrefPositions[0]);
+
+ for (int i = 1; i < xrefPositions.size()-1; ++i)
+ xprintf("%010d 00000 n \n", xrefPositions[i]);
+
+ xprintf("trailer\n"
+ "<<\n"
+ "/Size %d\n"
+ "/Info %d 0 R\n"
+ "/Root %d 0 R\n"
+ ">>\n"
+ "startxref\n%d\n"
+ "%%%%EOF\n",
+ xrefPositions.size()-1, info, catalog, xrefPositions.last());
+}
+
+int QPdfBaseEnginePrivate::addXrefEntry(int object, bool printostr)
+{
+ if (object < 0)
+ object = requestObject();
+
+ if (object>=xrefPositions.size())
+ xrefPositions.resize(object+1);
+
+ xrefPositions[object] = streampos;
+ if (printostr)
+ xprintf("%d 0 obj\n",object);
+
+ return object;
}
-void QPdfBaseEnginePrivate::closePrintDevice()
+void QPdfBaseEnginePrivate::printString(const QString &string) {
+ // The 'text string' type in PDF is encoded either as PDFDocEncoding, or
+ // Unicode UTF-16 with a Unicode byte order mark as the first character
+ // (0xfeff), with the high-order byte first.
+ QByteArray array("(\xfe\xff");
+ const ushort *utf16 = string.utf16();
+
+ for (int i=0; i < string.size(); ++i) {
+ char part[2] = {char((*(utf16 + i)) >> 8), char((*(utf16 + i)) & 0xff)};
+ for(int j=0; j < 2; ++j) {
+ if (part[j] == '(' || part[j] == ')' || part[j] == '\\')
+ array.append('\\');
+ array.append(part[j]);
+ }
+ }
+ array.append(")");
+ write(array);
+}
+
+
+// For strings up to 10000 bytes only !
+void QPdfBaseEnginePrivate::xprintf(const char* fmt, ...)
{
- if (!outDevice)
+ if (!stream)
return;
- outDevice->close();
- if (fd >= 0)
-#if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400
- ::_close(fd);
-#else
- ::close(fd);
-#endif
- fd = -1;
- delete outDevice;
- outDevice = 0;
-
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (!cupsTempFile.isEmpty()) {
- QString tempFile = cupsTempFile;
- cupsTempFile.clear();
- QCUPSSupport cups;
-
- // Set up print options.
- QByteArray prnName;
- QList<QPair<QByteArray, QByteArray> > options;
- QVector<cups_option_t> cupsOptStruct;
-
- if (!printerName.isEmpty()) {
- prnName = printerName.toLocal8Bit();
- } else {
- QPrinterInfo def = QPrinterInfo::defaultPrinter();
- if (def.isNull()) {
- qWarning("Could not determine printer to print to");
- QFile::remove(tempFile);
- return;
+
+ const int msize = 10000;
+ char buf[msize];
+
+ va_list args;
+ va_start(args, fmt);
+ int bufsize = qvsnprintf(buf, msize, fmt, args);
+
+ Q_ASSERT(bufsize<msize);
+
+ va_end(args);
+
+ stream->writeRawData(buf, bufsize);
+ streampos += bufsize;
+}
+
+int QPdfBaseEnginePrivate::writeCompressed(QIODevice *dev)
+{
+#ifndef QT_NO_COMPRESS
+ if (do_compress) {
+ int size = QPdfPage::chunkSize();
+ int sum = 0;
+ ::z_stream zStruct;
+ zStruct.zalloc = Z_NULL;
+ zStruct.zfree = Z_NULL;
+ zStruct.opaque = Z_NULL;
+ if (::deflateInit(&zStruct, Z_DEFAULT_COMPRESSION) != Z_OK) {
+ qWarning("QPdfStream::writeCompressed: Error in deflateInit()");
+ return sum;
+ }
+ zStruct.avail_in = 0;
+ QByteArray in, out;
+ out.resize(size);
+ while (!dev->atEnd() || zStruct.avail_in != 0) {
+ if (zStruct.avail_in == 0) {
+ in = dev->read(size);
+ zStruct.avail_in = in.size();
+ zStruct.next_in = reinterpret_cast<unsigned char*>(in.data());
+ if (in.size() <= 0) {
+ qWarning("QPdfStream::writeCompressed: Error in read()");
+ ::deflateEnd(&zStruct);
+ return sum;
+ }
}
- prnName = def.printerName().toLocal8Bit();
+ zStruct.next_out = reinterpret_cast<unsigned char*>(out.data());
+ zStruct.avail_out = out.size();
+ if (::deflate(&zStruct, 0) != Z_OK) {
+ qWarning("QPdfStream::writeCompressed: Error in deflate()");
+ ::deflateEnd(&zStruct);
+ return sum;
+ }
+ int written = out.size() - zStruct.avail_out;
+ stream->writeRawData(out.constData(), written);
+ streampos += written;
+ sum += written;
}
+ int ret;
+ do {
+ zStruct.next_out = reinterpret_cast<unsigned char*>(out.data());
+ zStruct.avail_out = out.size();
+ ret = ::deflate(&zStruct, Z_FINISH);
+ if (ret != Z_OK && ret != Z_STREAM_END) {
+ qWarning("QPdfStream::writeCompressed: Error in deflate()");
+ ::deflateEnd(&zStruct);
+ return sum;
+ }
+ int written = out.size() - zStruct.avail_out;
+ stream->writeRawData(out.constData(), written);
+ streampos += written;
+ sum += written;
+ } while (ret == Z_OK);
- if (!cupsStringPageSize.isEmpty()) {
- options.append(QPair<QByteArray, QByteArray>("media", cupsStringPageSize.toLocal8Bit()));
- }
+ ::deflateEnd(&zStruct);
- if (copies > 1) {
- options.append(QPair<QByteArray, QByteArray>("copies", QString::number(copies).toLocal8Bit()));
+ return sum;
+ } else
+#endif
+ {
+ QByteArray arr;
+ int sum = 0;
+ while (!dev->atEnd()) {
+ arr = dev->read(QPdfPage::chunkSize());
+ stream->writeRawData(arr.constData(), arr.size());
+ streampos += arr.size();
+ sum += arr.size();
}
+ return sum;
+ }
+}
- if (collate) {
- options.append(QPair<QByteArray, QByteArray>("Collate", "True"));
+int QPdfBaseEnginePrivate::writeCompressed(const char *src, int len)
+{
+#ifndef QT_NO_COMPRESS
+ if(do_compress) {
+ uLongf destLen = len + len/100 + 13; // zlib requirement
+ Bytef* dest = new Bytef[destLen];
+ if (Z_OK == ::compress(dest, &destLen, (const Bytef*) src, (uLongf)len)) {
+ stream->writeRawData((const char*)dest, destLen);
+ } else {
+ qWarning("QPdfStream::writeCompressed: Error in compress()");
+ destLen = 0;
}
+ delete [] dest;
+ len = destLen;
+ } else
+#endif
+ {
+ stream->writeRawData(src,len);
+ }
+ streampos += len;
+ return len;
+}
- if (duplex != QPrinter::DuplexNone) {
- switch(duplex) {
- case QPrinter::DuplexNone: break;
- case QPrinter::DuplexAuto:
- if (orientation == QPrinter::Portrait)
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-long-edge"));
- else
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-short-edge"));
- break;
- case QPrinter::DuplexLongSide:
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-long-edge"));
- break;
- case QPrinter::DuplexShortSide:
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-short-edge"));
+int QPdfBaseEnginePrivate::writeImage(const QByteArray &data, int width, int height, int depth,
+ int maskObject, int softMaskObject, bool dct)
+{
+ int image = addXrefEntry(-1);
+ xprintf("<<\n"
+ "/Type /XObject\n"
+ "/Subtype /Image\n"
+ "/Width %d\n"
+ "/Height %d\n", width, height);
+
+ if (depth == 1) {
+ xprintf("/ImageMask true\n"
+ "/Decode [1 0]\n");
+ } else {
+ xprintf("/BitsPerComponent 8\n"
+ "/ColorSpace %s\n", (depth == 32) ? "/DeviceRGB" : "/DeviceGray");
+ }
+ if (maskObject > 0)
+ xprintf("/Mask %d 0 R\n", maskObject);
+ if (softMaskObject > 0)
+ xprintf("/SMask %d 0 R\n", softMaskObject);
+
+ int lenobj = requestObject();
+ xprintf("/Length %d 0 R\n", lenobj);
+ if (interpolateImages)
+ xprintf("/Interpolate true\n");
+ int len = 0;
+ if (dct) {
+ //qDebug() << "DCT";
+ xprintf("/Filter /DCTDecode\n>>\nstream\n");
+ write(data);
+ len = data.length();
+ } else {
+ if (do_compress)
+ xprintf("/Filter /FlateDecode\n>>\nstream\n");
+ else
+ xprintf(">>\nstream\n");
+ len = writeCompressed(data);
+ }
+ xprintf("endstream\n"
+ "endobj\n");
+ addXrefEntry(lenobj);
+ xprintf("%d\n"
+ "endobj\n", len);
+ return image;
+}
+
+#ifdef USE_NATIVE_GRADIENTS
+int QPdfBaseEnginePrivate::gradientBrush(const QBrush &b, const QMatrix &matrix, int *gStateObject)
+{
+ const QGradient *gradient = b.gradient();
+ if (!gradient)
+ return 0;
+
+ QTransform inv = matrix.inverted();
+ QPointF page_rect[4] = { inv.map(QPointF(0, 0)),
+ inv.map(QPointF(width_, 0)),
+ inv.map(QPointF(0, height_)),
+ inv.map(QPointF(width_, height_)) };
+
+ bool opaque = b.isOpaque();
+
+ QByteArray shader;
+ QByteArray alphaShader;
+ if (gradient->type() == QGradient::LinearGradient) {
+ const QLinearGradient *lg = static_cast<const QLinearGradient *>(gradient);
+ shader = QPdf::generateLinearGradientShader(lg, page_rect);
+ if (!opaque)
+ alphaShader = QPdf::generateLinearGradientShader(lg, page_rect, true);
+ } else {
+ // #############
+ return 0;
+ }
+ int shaderObject = addXrefEntry(-1);
+ write(shader);
+
+ QByteArray str;
+ QPdf::ByteStream s(&str);
+ s << "<<\n"
+ "/Type /Pattern\n"
+ "/PatternType 2\n"
+ "/Shading " << shaderObject << "0 R\n"
+ "/Matrix ["
+ << matrix.m11()
+ << matrix.m12()
+ << matrix.m21()
+ << matrix.m22()
+ << matrix.dx()
+ << matrix.dy() << "]\n";
+ s << ">>\n"
+ "endobj\n";
+
+ int patternObj = addXrefEntry(-1);
+ write(str);
+ currentPage->patterns.append(patternObj);
+
+ if (!opaque) {
+ bool ca = true;
+ QGradientStops stops = gradient->stops();
+ int a = stops.at(0).second.alpha();
+ for (int i = 1; i < stops.size(); ++i) {
+ if (stops.at(i).second.alpha() != a) {
+ ca = false;
break;
}
}
-
- if (QCUPSSupport::cupsVersion() >= 10300 && orientation == QPrinter::Landscape) {
- options.append(QPair<QByteArray, QByteArray>("landscape", ""));
+ if (ca) {
+ *gStateObject = addConstantAlphaObject(stops.at(0).second.alpha());
+ } else {
+ int alphaShaderObject = addXrefEntry(-1);
+ write(alphaShader);
+
+ QByteArray content;
+ QPdf::ByteStream c(&content);
+ c << "/Shader" << alphaShaderObject << "sh\n";
+
+ QByteArray form;
+ QPdf::ByteStream f(&form);
+ f << "<<\n"
+ "/Type /XObject\n"
+ "/Subtype /Form\n"
+ "/BBox [0 0 " << width_ << height_ << "]\n"
+ "/Group <</S /Transparency >>\n"
+ "/Resources <<\n"
+ "/Shading << /Shader" << alphaShaderObject << alphaShaderObject << "0 R >>\n"
+ ">>\n";
+
+ f << "/Length " << content.length() << "\n"
+ ">>\n"
+ "stream\n"
+ << content
+ << "endstream\n"
+ "endobj\n";
+
+ int softMaskFormObject = addXrefEntry(-1);
+ write(form);
+ *gStateObject = addXrefEntry(-1);
+ xprintf("<< /SMask << /S /Alpha /G %d 0 R >> >>\n"
+ "endobj\n", softMaskFormObject);
+ currentPage->graphicStates.append(*gStateObject);
}
+ }
- QStringList::const_iterator it = cupsOptions.constBegin();
- while (it != cupsOptions.constEnd()) {
- options.append(QPair<QByteArray, QByteArray>((*it).toLocal8Bit(), (*(it+1)).toLocal8Bit()));
- it += 2;
- }
+ return patternObj;
+}
+#endif
- for (int c = 0; c < options.size(); ++c) {
- cups_option_t opt;
- opt.name = options[c].first.data();
- opt.value = options[c].second.data();
- cupsOptStruct.append(opt);
- }
+int QPdfBaseEnginePrivate::addConstantAlphaObject(int brushAlpha, int penAlpha)
+{
+ if (brushAlpha == 255 && penAlpha == 255)
+ return 0;
+ int object = alphaCache.value(QPair<uint, uint>(brushAlpha, penAlpha), 0);
+ if (!object) {
+ object = addXrefEntry(-1);
+ QByteArray alphaDef;
+ QPdf::ByteStream s(&alphaDef);
+ s << "<<\n/ca " << (brushAlpha/qreal(255.)) << '\n';
+ s << "/CA " << (penAlpha/qreal(255.)) << "\n>>";
+ xprintf("%s\nendobj\n", alphaDef.constData());
+ alphaCache.insert(QPair<uint, uint>(brushAlpha, penAlpha), object);
+ }
+ if (currentPage->graphicStates.indexOf(object) < 0)
+ currentPage->graphicStates.append(object);
+
+ return object;
+}
- // Print the file.
- cups_option_t* optPtr = cupsOptStruct.size() ? &cupsOptStruct.first() : 0;
- cups.printFile(prnName.constData(), tempFile.toLocal8Bit().constData(),
- title.toLocal8Bit().constData(), cupsOptStruct.size(), optPtr);
+int QPdfBaseEnginePrivate::addBrushPattern(const QTransform &m, bool *specifyColor, int *gStateObject)
+{
+ int paintType = 2; // Uncolored tiling
+ int w = 8;
+ int h = 8;
- QFile::remove(tempFile);
- }
+ *specifyColor = true;
+ *gStateObject = 0;
+
+ QTransform matrix = m;
+ matrix.translate(brushOrigin.x(), brushOrigin.y());
+ matrix = matrix * pageMatrix();
+ //qDebug() << brushOrigin << matrix;
+
+ Qt::BrushStyle style = brush.style();
+ if (style == Qt::LinearGradientPattern) {// && style <= Qt::ConicalGradientPattern) {
+#ifdef USE_NATIVE_GRADIENTS
+ *specifyColor = false;
+ return gradientBrush(b, matrix, gStateObject);
+#else
+ return 0;
#endif
+ }
+
+ if ((!brush.isOpaque() && brush.style() < Qt::LinearGradientPattern) || opacity != 1.0)
+ *gStateObject = addConstantAlphaObject(qRound(brush.color().alpha() * opacity),
+ qRound(pen.color().alpha() * opacity));
+
+ int imageObject = -1;
+ QByteArray pattern = QPdf::patternForBrush(brush);
+ if (pattern.isEmpty()) {
+ if (brush.style() != Qt::TexturePattern)
+ return 0;
+ QImage image = brush.texture().toImage();
+ bool bitmap = true;
+ imageObject = addImage(image, &bitmap, brush.texture().cacheKey());
+ if (imageObject != -1) {
+ QImage::Format f = image.format();
+ if (f != QImage::Format_MonoLSB && f != QImage::Format_Mono) {
+ paintType = 1; // Colored tiling
+ *specifyColor = false;
+ }
+ w = image.width();
+ h = image.height();
+ QTransform m(w, 0, 0, -h, 0, h);
+ QPdf::ByteStream s(&pattern);
+ s << QPdf::generateMatrix(m);
+ s << "/Im" << imageObject << " Do\n";
+ }
+ }
+
+ QByteArray str;
+ QPdf::ByteStream s(&str);
+ s << "<<\n"
+ "/Type /Pattern\n"
+ "/PatternType 1\n"
+ "/PaintType " << paintType << "\n"
+ "/TilingType 1\n"
+ "/BBox [0 0 " << w << h << "]\n"
+ "/XStep " << w << "\n"
+ "/YStep " << h << "\n"
+ "/Matrix ["
+ << matrix.m11()
+ << matrix.m12()
+ << matrix.m21()
+ << matrix.m22()
+ << matrix.dx()
+ << matrix.dy() << "]\n"
+ "/Resources \n<< "; // open resource tree
+ if (imageObject > 0) {
+ s << "/XObject << /Im" << imageObject << ' ' << imageObject << "0 R >> ";
+ }
+ s << ">>\n"
+ "/Length " << pattern.length() << "\n"
+ ">>\n"
+ "stream\n"
+ << pattern
+ << "endstream\n"
+ "endobj\n";
+
+ int patternObj = addXrefEntry(-1);
+ write(str);
+ currentPage->patterns.append(patternObj);
+ return patternObj;
}
-QPdfBaseEnginePrivate::~QPdfBaseEnginePrivate()
+/*!
+ * Adds an image to the pdf and return the pdf-object id. Returns -1 if adding the image failed.
+ */
+int QPdfBaseEnginePrivate::addImage(const QImage &img, bool *bitmap, qint64 serial_no)
{
- qDeleteAll(fonts);
- delete currentPage;
+ if (img.isNull())
+ return -1;
+
+ int object = imageCache.value(serial_no);
+ if(object)
+ return object;
+
+ QImage image = img;
+ QImage::Format format = image.format();
+ if (image.depth() == 1 && *bitmap && img.colorTable().size() == 2
+ && img.colorTable().at(0) == QColor(Qt::black).rgba()
+ && img.colorTable().at(1) == QColor(Qt::white).rgba())
+ {
+ if (format == QImage::Format_MonoLSB)
+ image = image.convertToFormat(QImage::Format_Mono);
+ format = QImage::Format_Mono;
+ } else {
+ *bitmap = false;
+ if (format != QImage::Format_RGB32 && format != QImage::Format_ARGB32) {
+ image = image.convertToFormat(QImage::Format_ARGB32);
+ format = QImage::Format_ARGB32;
+ }
+ }
+
+ int w = image.width();
+ int h = image.height();
+ int d = image.depth();
+
+ if (format == QImage::Format_Mono) {
+ int bytesPerLine = (w + 7) >> 3;
+ QByteArray data;
+ data.resize(bytesPerLine * h);
+ char *rawdata = data.data();
+ for (int y = 0; y < h; ++y) {
+ memcpy(rawdata, image.scanLine(y), bytesPerLine);
+ rawdata += bytesPerLine;
+ }
+ object = writeImage(data, w, h, d, 0, 0);
+ } else {
+ QByteArray softMaskData;
+ bool dct = false;
+ QByteArray imageData;
+ bool hasAlpha = false;
+ bool hasMask = false;
+
+ if (QImageWriter::supportedImageFormats().contains("jpeg") && colorMode != QPrinter::GrayScale) {
+ QBuffer buffer(&imageData);
+ QImageWriter writer(&buffer, "jpeg");
+ writer.setQuality(94);
+ writer.write(image);
+ dct = true;
+
+ if (format != QImage::Format_RGB32) {
+ softMaskData.resize(w * h);
+ uchar *sdata = (uchar *)softMaskData.data();
+ for (int y = 0; y < h; ++y) {
+ const QRgb *rgb = (const QRgb *)image.scanLine(y);
+ for (int x = 0; x < w; ++x) {
+ uchar alpha = qAlpha(*rgb);
+ *sdata++ = alpha;
+ hasMask |= (alpha < 255);
+ hasAlpha |= (alpha != 0 && alpha != 255);
+ ++rgb;
+ }
+ }
+ }
+ } else {
+ imageData.resize(colorMode == QPrinter::GrayScale ? w * h : 3 * w * h);
+ uchar *data = (uchar *)imageData.data();
+ softMaskData.resize(w * h);
+ uchar *sdata = (uchar *)softMaskData.data();
+ for (int y = 0; y < h; ++y) {
+ const QRgb *rgb = (const QRgb *)image.scanLine(y);
+ if (colorMode == QPrinter::GrayScale) {
+ for (int x = 0; x < w; ++x) {
+ *(data++) = qGray(*rgb);
+ uchar alpha = qAlpha(*rgb);
+ *sdata++ = alpha;
+ hasMask |= (alpha < 255);
+ hasAlpha |= (alpha != 0 && alpha != 255);
+ ++rgb;
+ }
+ } else {
+ for (int x = 0; x < w; ++x) {
+ *(data++) = qRed(*rgb);
+ *(data++) = qGreen(*rgb);
+ *(data++) = qBlue(*rgb);
+ uchar alpha = qAlpha(*rgb);
+ *sdata++ = alpha;
+ hasMask |= (alpha < 255);
+ hasAlpha |= (alpha != 0 && alpha != 255);
+ ++rgb;
+ }
+ }
+ }
+ if (format == QImage::Format_RGB32)
+ hasAlpha = hasMask = false;
+ }
+ int maskObject = 0;
+ int softMaskObject = 0;
+ if (hasAlpha) {
+ softMaskObject = writeImage(softMaskData, w, h, 8, 0, 0);
+ } else if (hasMask) {
+ // dither the soft mask to 1bit and add it. This also helps PDF viewers
+ // without transparency support
+ int bytesPerLine = (w + 7) >> 3;
+ QByteArray mask(bytesPerLine * h, 0);
+ uchar *mdata = (uchar *)mask.data();
+ const uchar *sdata = (const uchar *)softMaskData.constData();
+ for (int y = 0; y < h; ++y) {
+ for (int x = 0; x < w; ++x) {
+ if (*sdata)
+ mdata[x>>3] |= (0x80 >> (x&7));
+ ++sdata;
+ }
+ mdata += bytesPerLine;
+ }
+ maskObject = writeImage(mask, w, h, 1, 0, 0);
+ }
+ object = writeImage(imageData, w, h, colorMode == QPrinter::GrayScale ? 8 : 32,
+ maskObject, softMaskObject, dct);
+ }
+ imageCache.insert(serial_no, object);
+ return object;
}
void QPdfBaseEnginePrivate::drawTextItem(const QPointF &p, const QTextItemInt &ti)
{
Q_Q(QPdfBaseEngine);
+ if (ti.charFormat.isAnchor()) {
+ qreal size = ti.fontEngine->fontDef.pixelSize;
+#ifdef Q_WS_WIN
+ if (ti.fontEngine->type() == QFontEngine::Win) {
+ QFontEngineWin *fe = static_cast<QFontEngineWin *>(ti.fontEngine);
+ size = fe->tm.tmHeight;
+ }
+#endif
+ int synthesized = ti.fontEngine->synthesized();
+ qreal stretch = synthesized & QFontEngine::SynthesizedStretch ? ti.fontEngine->fontDef.stretch/100. : 1.;
+
+ QTransform trans;
+ // Build text rendering matrix (Trm). We need it to map the text area to user
+ // space units on the PDF page.
+ trans = QTransform(size*stretch, 0, 0, size, 0, 0);
+ // Apply text matrix (Tm).
+ trans *= QTransform(1,0,0,-1,p.x(),p.y());
+ // Apply page displacement (Identity for first page).
+ trans *= stroker.matrix;
+ // Apply Current Transformation Matrix (CTM)
+ trans *= pageMatrix();
+ qreal x1, y1, x2, y2;
+ trans.map(0, 0, &x1, &y1);
+ trans.map(ti.width.toReal()/size, (ti.ascent.toReal()-ti.descent.toReal())/size, &x2, &y2);
+
+ uint annot = addXrefEntry(-1);
+#ifdef Q_DEBUG_PDF_LINKS
+ xprintf("<<\n/Type /Annot\n/Subtype /Link\n/Rect [%f %f %f %f]\n/Border [16 16 1]\n/A <<\n",
+#else
+ xprintf("<<\n/Type /Annot\n/Subtype /Link\n/Rect [%f %f %f %f]\n/Border [0 0 0]\n/A <<\n",
+#endif
+ static_cast<double>(x1),
+ static_cast<double>(y1),
+ static_cast<double>(x2),
+ static_cast<double>(y2));
+ xprintf("/Type /Action\n/S /URI\n/URI (%s)\n",
+ ti.charFormat.anchorHref().toLatin1().constData());
+ xprintf(">>\n>>\n");
+ xprintf("endobj\n");
+
+ if (!currentPage->annotations.contains(annot)) {
+ currentPage->annotations.append(annot);
+ }
+ }
+
QFontEngine *fe = ti.fontEngine;
QFontEngine::FaceId face_id = fe->faceId();
@@ -2024,83 +2682,33 @@ void QPdfBaseEnginePrivate::drawTextItem(const QPointF &p, const QTextItemInt &t
*currentPage << "ET\n";
}
-QRect QPdfBaseEnginePrivate::paperRect() const
+QTransform QPdfBaseEnginePrivate::pageMatrix() const
{
- int w;
- int h;
- if (paperSize == QPrinter::Custom) {
- w = qRound(customPaperSize.width()*resolution/72.);
- h = qRound(customPaperSize.height()*resolution/72.);
- } else {
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable() && !cupsPaperRect.isNull()) {
- QRect r = cupsPaperRect;
- w = r.width();
- h = r.height();
- } else
-#endif
- {
- QPdf::PaperSize s = QPdf::paperSize(paperSize);
- w = s.width;
- h = s.height;
- }
- w = qRound(w*resolution/72.);
- h = qRound(h*resolution/72.);
+ qreal scale = 72./resolution;
+ QTransform tmp(scale, 0.0, 0.0, -scale, 0.0, height());
+ if (!fullPage) {
+ QRect r = pageRect();
+ tmp.translate(r.left(), r.top());
}
- if (orientation == QPrinter::Portrait)
- return QRect(0, 0, w, h);
- else
- return QRect(0, 0, h, w);
+ return tmp;
}
-QRect QPdfBaseEnginePrivate::pageRect() const
+void QPdfBaseEnginePrivate::newPage()
{
- if(fullPage)
- return paperRect();
-
- QRect r;
+ if (currentPage && currentPage->pageSize.isEmpty())
+ currentPage->pageSize = QSize(width(), height());
+ writePage();
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (!hasCustomPageMargins && QCUPSSupport::isAvailable() && !cupsPageRect.isNull()) {
- r = cupsPageRect;
- if (r == cupsPaperRect) {
- // if cups doesn't define any margins, give it at least approx 3.5 mm
- r = QRect(10, 10, r.width() - 20, r.height() - 20);
- }
- } else
-#endif
- {
- QPdf::PaperSize s;
- if (paperSize == QPrinter::Custom) {
- s.width = qRound(customPaperSize.width());
- s.height = qRound(customPaperSize.height());
- } else {
- s = QPdf::paperSize(paperSize);
- }
- if (hasCustomPageMargins)
- r = QRect(0, 0, s.width, s.height);
- else
- r = QRect(72/3, 72/3, s.width - 2*72/3, s.height - 2*72/3);
- }
-
- int x = qRound(r.left()*resolution/72.);
- int y = qRound(r.top()*resolution/72.);
- int w = qRound(r.width()*resolution/72.);
- int h = qRound(r.height()*resolution/72.);
- if (orientation == QPrinter::Portrait)
- r = QRect(x, y, w, h);
- else
- r = QRect(y, x, h, w);
-
- if (hasCustomPageMargins) {
- r.adjust(qRound(leftMargin*(resolution/72.)),
- qRound(topMargin*(resolution/72.)),
- -qRound(rightMargin*(resolution/72.)),
- -qRound(bottomMargin*(resolution/72.)));
- }
- return r;
+ delete currentPage;
+ currentPage = new QPdfPage;
+ currentPage->pageSize = QSize(width(), height());
+ stroker.stream = currentPage;
+ pages.append(requestObject());
+
+ *currentPage << "/GSa gs /CSp cs /CSp CS\n"
+ << QPdf::generateMatrix(pageMatrix())
+ << "q q\n";
}
-#endif
QT_END_NAMESPACE