--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qprintengine_ps.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,970 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include <private/qprintengine_ps_p.h>
+#include <private/qpainter_p.h>
+#include <private/qfontengine_p.h>
+#include <private/qpaintengine_p.h>
+#include <private/qpdf_p.h>
+
+#ifndef QT_NO_PRINTER
+
+#include "qprinter.h"
+#include "qpainter.h"
+#include "qapplication.h"
+#include "qpixmap.h"
+#include "qimage.h"
+#include "qdatetime.h"
+#include "qstring.h"
+#include "qbytearray.h"
+#include "qhash.h"
+#include "qbuffer.h"
+#include "qsettings.h"
+#include "qmap.h"
+#include "qbitmap.h"
+#include "qregion.h"
+#include "qimagewriter.h"
+#include <private/qunicodetables_p.h>
+#include <private/qpainterpath_p.h>
+#include <qdebug.h>
+#include <private/qdrawhelper_p.h>
+#include <private/qmutexpool_p.h>
+
+#ifndef Q_OS_WIN
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+static bool qt_gen_epsf = false;
+
+void qt_generate_epsf(bool b)
+{
+ qt_gen_epsf = b;
+}
+
+static const char *const ps_header =
+"/BD{bind def}bind def/d2{dup dup}BD/ED{exch def}BD/D0{0 ED}BD/F{setfont}BD\n"
+"/RL{rlineto}BD/CM{currentmatrix}BD/SM{setmatrix}BD/TR{translate}BD/SD\n"
+"{setdash}BD/SC{aload pop setrgbcolor}BD/CR{currentfile read pop}BD/i{index}\n"
+"BD/scs{setcolorspace}BD/DB{dict dup begin}BD/DE{end def}BD/ie{ifelse}BD/gs\n"
+"{gsave}BD/gr{grestore}BD/w{setlinewidth}BD/d{setdash}BD/J{setlinecap}BD/j\n"
+"{setlinejoin}BD/scn{3 array astore/BCol exch def}BD/SCN{3 array astore/PCol\n"
+"exch def}BD/cm{6 array astore concat}BD/m{moveto}BD/l{lineto}BD/c{curveto}BD\n"
+"/h{closepath}BD/W{clip}BD/W*{eoclip}BD/n{newpath}BD/q{gsave 10 dict begin}BD\n"
+"/Q{end grestore}BD/re{4 2 roll m dup 0 exch RL exch 0 RL 0 exch neg RL h}BD\n"
+"/S{gs PCol SC stroke gr n}BD/BT{gsave 10 dict begin/_m matrix CM def BCol\n"
+"SC}BD/ET{end grestore}BD/Tf{/_fs ED findfont[_fs 0 0 _fs 0 0]makefont F}BD\n"
+"/Tm{6 array astore concat}BD/Td{translate}BD/Tj{0 0 m show}BD/BDC{pop pop}BD\n"
+"/EMC{}BD/BSt 0 def/WFi false def/BCol[1 1 1]def/PCol[0 0 0]def/BDArr[0.94\n"
+"0.88 0.63 0.50 0.37 0.12 0.06]def/level3{/languagelevel where{pop\n"
+"languagelevel 3 ge}{false}ie}BD/QCIgray D0/QCIcolor D0/QCIindex D0/QCI{\n"
+"/colorimage where{pop false 3 colorimage}{exec/QCIcolor ED/QCIgray QCIcolor\n"
+"length 3 idiv string def 0 1 QCIcolor length 3 idiv 1 sub{/QCIindex ED/_x\n"
+"QCIindex 3 mul def QCIgray QCIindex QCIcolor _x get 0.30 mul QCIcolor _x 1\n"
+"add get 0.59 mul QCIcolor _x 2 add get 0.11 mul add add cvi put}for QCIgray\n"
+"image}ie}BD/di{gs TR 1 i 1 eq{pop pop false 3 1 roll BCol SC imagemask}{dup\n"
+"false ne{level3}{false}ie{/_ma ED 8 eq{/_dc[0 1]def/DeviceGray}{/_dc[0 1 0 1\n"
+"0 1]def/DeviceRGB}ie scs/_im ED/_mt ED/_h ED/_w ED <</ImageType 3/DataDict\n"
+"<</ImageType 1/Width _w/Height _h/ImageMatrix _mt/DataSource _im\n"
+"/BitsPerComponent 8/Decode _dc >>/MaskDict <</ImageType 1/Width _w/Height _h\n"
+"/ImageMatrix _mt/DataSource _ma/BitsPerComponent 1/Decode[0 1]>>\n"
+"/InterleaveType 3 >> image}{pop 8 4 1 roll 8 eq{image}{QCI}ie}ie}ie gr}BD/BF\n"
+"{gs BSt 1 eq{BCol SC WFi{fill}{eofill}ie}if BSt 2 ge BSt 8 le and{BDArr BSt\n"
+"2 sub get/_sc ED BCol{1. exch sub _sc mul 1. exch sub}forall 3 array astore\n"
+"SC WFi{fill}{eofill}ie}if BSt 9 ge BSt 14 le and{WFi{W}{W*}ie pathbbox 3 i 3\n"
+"i TR 4 2 roll 3 2 roll exch sub/_h ED sub/_w ED BCol SC 0.3 w n BSt 9 eq BSt\n"
+"11 eq or{0 4 _h{dup 0 exch m _w exch l}for}if BSt 10 eq BSt 11 eq or{0 4 _w{\n"
+"dup 0 m _h l}for}if BSt 12 eq BSt 14 eq or{_w _h gt{0 6 _w _h add{dup 0 m _h\n"
+"sub _h l}for}{0 6 _w _h add{dup 0 exch m _w sub _w exch l}for}ie}if BSt 13\n"
+"eq BSt 14 eq or{_w _h gt{0 6 _w _h add{dup _h m _h sub 0 l}for}{0 6 _w _h\n"
+"add{dup _w exch m _w sub 0 exch l}for}ie}if stroke}if BSt 15 eq{}if BSt 24\n"
+"eq{}if gr}BD/f{/WFi true def BF n}BD/f*{/WFi false def BF n}BD/B{/WFi true\n"
+"def BF S n}BD/B*{/WFi false def BF S n}BD/QI{/C save def pageinit q n}BD/QP{\n"
+"Q C restore showpage}BD/SPD{/setpagedevice where{<< 3 1 roll >>\n"
+"setpagedevice}{pop pop}ie}BD/T1AddMapping{10 dict begin/glyphs ED/fnt ED\n"
+"/current fnt/NumGlyphs get def/CMap fnt/CMap get def 0 1 glyphs length 1 sub\n"
+"{glyphs exch get/gn ED current dup 256 mod/min ED 256 idiv/maj ED CMap dup\n"
+"maj get dup null eq{pop 256 array 0 1 255{1 i exch/.notdef put}for}if dup\n"
+"min gn put maj exch put/current current 1 add def}for fnt/CMap CMap put fnt\n"
+"/NumGlyphs current put end}def/T1AddGlyphs{10 dict begin/glyphs ED/fnt ED\n"
+"/current fnt/NumGlyphs get def/CMap fnt/CMap get def/CharStrings fnt\n"
+"/CharStrings get def 0 1 glyphs length 2 idiv 1 sub{2 mul dup glyphs exch\n"
+"get/gn ED 1 add glyphs exch get/cs ED current dup 256 mod/min ED 256 idiv\n"
+"/maj ED CMap dup maj get dup null eq{pop 256 array 0 1 255{1 i exch/.notdef\n"
+"put}for}if dup min gn put maj exch put CharStrings gn cs put/current current\n"
+"1 add def}for fnt/CharStrings CharStrings put fnt/CMap CMap put fnt\n"
+"/NumGlyphs current put end}def/StringAdd{1 i length 1 i length add string 3\n"
+"1 roll 2 i 0 3 i putinterval 2 i 2 i length 2 i putinterval pop pop}def\n"
+"/T1Setup{10 dict begin dup/FontName ED (-Base) StringAdd cvx cvn/Font ED\n"
+"/MaxPage Font/NumGlyphs get 1 sub 256 idiv def/FDepVector MaxPage 1 add\n"
+"array def/Encoding MaxPage 1 add array def 0 1 MaxPage{dup Encoding exch dup\n"
+"put dup/Page ED FontName (-) StringAdd exch 20 string cvs StringAdd cvn Font\n"
+"0 dict copy d2/CMap get Page get/Encoding exch put definefont FDepVector\n"
+"exch Page exch put}for FontName cvn <</FontType 0/FMapType 2/FontMatrix[1 0\n"
+"0 1 0 0]/Encoding Encoding/FDepVector FDepVector >> definefont pop end}def\n";
+
+
+
+// ------------------------------End of static data ----------------------------------
+
+// make sure DSC comments are not longer than 255 chars per line.
+static QByteArray wrapDSC(const QByteArray &str)
+{
+ QByteArray dsc = str.simplified();
+ const int wrapAt = 254;
+ QByteArray wrapped;
+ if (dsc.length() < wrapAt)
+ wrapped = dsc;
+ else {
+ wrapped = dsc.left(wrapAt);
+ QByteArray tmp = dsc.mid(wrapAt);
+ while (tmp.length() > wrapAt-3) {
+ wrapped += "\n%%+" + tmp.left(wrapAt-3);
+ tmp = tmp.mid(wrapAt-3);
+ }
+ wrapped += "\n%%+" + tmp;
+ }
+ return wrapped + '\n';
+}
+
+// ----------------------------- Internal class declarations -----------------------------
+
+QPSPrintEnginePrivate::QPSPrintEnginePrivate(QPrinter::PrinterMode m)
+ : QPdfBaseEnginePrivate(m),
+ printerState(QPrinter::Idle), hugeDocument(false), headerDone(false)
+{
+ useAlphaEngine = true;
+ postscript = true;
+
+ firstPage = true;
+
+#ifndef QT_NO_SETTINGS
+ QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+ settings.beginGroup(QLatin1String("Qt"));
+ embedFonts = settings.value(QLatin1String("embedFonts"), true).toBool();
+#else
+ embedFonts = true;
+#endif
+}
+
+QPSPrintEnginePrivate::~QPSPrintEnginePrivate()
+{
+}
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <qdebug.h>
+QT_END_INCLUDE_NAMESPACE
+
+static void ps_r7(QPdf::ByteStream& stream, const char * s, int l)
+{
+ int i = 0;
+ uchar line[84];
+ int col = 0;
+
+ while(i < l) {
+ line[col++] = s[i++];
+ if (i < l - 1 && col >= 76) {
+ line[col++] = '\n';
+ line[col++] = '\0';
+ stream << (const char *)line;
+ col = 0;
+ }
+ }
+ if (col > 0) {
+ while((col&3) != 0)
+ line[col++] = '%'; // use a comment as padding
+ line[col++] = '\n';
+ line[col++] = '\0';
+ stream << (const char *)line;
+ }
+}
+
+static QByteArray runlengthEncode(const QByteArray &input)
+{
+ if (!input.length())
+ return input;
+
+ const char *data = input.constData();
+
+ QByteArray out;
+ int start = 0;
+ char last = *data;
+
+ enum State {
+ Undef,
+ Equal,
+ Diff
+ };
+ State state = Undef;
+
+ int i = 1;
+ int written = 0;
+ while (1) {
+ bool flush = (i == input.size());
+ if (!flush) {
+ switch(state) {
+ case Undef:
+ state = (last == data[i]) ? Equal : Diff;
+ break;
+ case Equal:
+ if (data[i] != last)
+ flush = true;
+ break;
+ case Diff:
+ if (data[i] == last) {
+ --i;
+ flush = true;
+ }
+ }
+ }
+ if (flush || i - start == 128) {
+ int size = i - start;
+ if (state == Equal) {
+ out.append((char)(uchar)(257-size));
+ out.append(last);
+ written += size;
+ } else {
+ out.append((char)(uchar)size-1);
+ while (start < i)
+ out.append(data[start++]);
+ written += size;
+ }
+ state = Undef;
+ start = i;
+ if (i == input.size())
+ break;
+ }
+ last = data[i];
+ ++i;
+ };
+ out.append((char)(uchar)128);
+ return out;
+}
+
+enum format {
+ Raw,
+ Runlength,
+ DCT
+};
+static const char *const filters[3] = {
+ " ",
+ "/RunLengthDecode filter ",
+ "/DCTDecode filter "
+};
+
+static QByteArray compressHelper(const QImage &image, bool gray, int *format)
+{
+ // we can't use premultiplied here
+ QByteArray pixelData;
+ int depth = image.depth();
+
+ Q_ASSERT(image.format() != QImage::Format_ARGB32_Premultiplied);
+
+ if (depth != 1 && !gray && QImageWriter::supportedImageFormats().contains("jpeg")) {
+ QBuffer buffer(&pixelData);
+ QImageWriter writer(&buffer, "jpeg");
+ writer.setQuality(94);
+ writer.write(image);
+ *format = DCT;
+ } else {
+ int width = image.width();
+ int height = image.height();
+ int size = width*height;
+
+ if (depth == 1)
+ size = (width+7)/8*height;
+ else if (!gray)
+ size = size*3;
+
+ pixelData.resize(size);
+ uchar *pixel = (uchar *)pixelData.data();
+ int i = 0;
+ if (depth == 1) {
+ QImage::Format format = image.format();
+ memset(pixel, 0xff, size);
+ for(int y=0; y < height; y++) {
+ const uchar * s = image.scanLine(y);
+ for(int x=0; x < width; x++) {
+ // need to copy bit for bit...
+ bool b = (format == QImage::Format_MonoLSB) ?
+ (*(s + (x >> 3)) >> (x & 7)) & 1 :
+ (*(s + (x >> 3)) << (x & 7)) & 0x80 ;
+ if (b)
+ pixel[i >> 3] ^= (0x80 >> (i & 7));
+ i++;
+ }
+ // we need to align to 8 bit here
+ i = (i+7) & 0xffffff8;
+ }
+ } else if (depth == 8) {
+ for(int y=0; y < height; y++) {
+ const uchar * s = image.scanLine(y);
+ for(int x=0; x < width; x++) {
+ QRgb rgb = image.color(s[x]);
+ if (gray) {
+ pixel[i] = (unsigned char) qGray(rgb);
+ i++;
+ } else {
+ pixel[i] = (unsigned char) qRed(rgb);
+ pixel[i+1] = (unsigned char) qGreen(rgb);
+ pixel[i+2] = (unsigned char) qBlue(rgb);
+ i += 3;
+ }
+ }
+ }
+ } else {
+ for(int y=0; y < height; y++) {
+ QRgb * s = (QRgb*)(image.scanLine(y));
+ for(int x=0; x < width; x++) {
+ QRgb rgb = (*s++);
+ if (gray) {
+ pixel[i] = (unsigned char) qGray(rgb);
+ i++;
+ } else {
+ pixel[i] = (unsigned char) qRed(rgb);
+ pixel[i+1] = (unsigned char) qGreen(rgb);
+ pixel[i+2] = (unsigned char) qBlue(rgb);
+ i += 3;
+ }
+ }
+ }
+ }
+ *format = Raw;
+ if (depth == 1) {
+ pixelData = runlengthEncode(pixelData);
+ *format = Runlength;
+ }
+ }
+ QByteArray outarr = QPdf::ascii85Encode(pixelData);
+ return outarr;
+}
+
+void QPSPrintEnginePrivate::drawImageHelper(qreal x, qreal y, qreal w, qreal h, const QImage &img,
+ const QImage &mask, bool gray, qreal scaleX, qreal scaleY)
+{
+ Q_UNUSED(h);
+ Q_UNUSED(w);
+ int width = img.width();
+ int height = img.height();
+
+ QByteArray out;
+ int size = 0;
+ const char *bits;
+
+ if (!mask.isNull()) {
+ int format;
+ out = compressHelper(mask, true, &format);
+ size = (width+7)/8*height;
+ *currentPage << "/mask currentfile/ASCII85Decode filter"
+ << filters[format]
+ << size << " string readstring\n";
+ ps_r7(*currentPage, out, out.size());
+ *currentPage << " pop def\n";
+ }
+ if (img.depth() == 1) {
+ size = (width+7)/8*height;
+ bits = "1 ";
+ } else if (gray) {
+ size = width*height;
+ bits = "8 ";
+ } else {
+ size = width*height*3;
+ bits = "24 ";
+ }
+
+ int format;
+ out = compressHelper(img, gray, &format);
+ *currentPage << "/sl currentfile/ASCII85Decode filter"
+ << filters[format]
+ << size << " string readstring\n";
+ ps_r7(*currentPage, out, out.size());
+ *currentPage << " pop def\n";
+ *currentPage << width << ' ' << height << '[' << scaleX << " 0 0 " << scaleY << " 0 0]sl "
+ << bits << (!mask.isNull() ? "mask " : "false ")
+ << x << ' ' << y << " di\n";
+}
+
+
+void QPSPrintEnginePrivate::drawImage(qreal x, qreal y, qreal w, qreal h,
+ const QImage &image, const QImage &msk)
+{
+ if (!w || !h || image.isNull()) return;
+
+ QImage img(image);
+ QImage mask(msk);
+
+ if (image.format() == QImage::Format_ARGB32_Premultiplied)
+ img = image.convertToFormat(QImage::Format_ARGB32);
+
+ if (!msk.isNull() && msk.format() == QImage::Format_ARGB32_Premultiplied)
+ mask = msk.convertToFormat(QImage::Format_ARGB32);
+
+ int width = img.width();
+ int height = img.height();
+ qreal scaleX = width/w;
+ qreal scaleY = height/h;
+
+ bool gray = (colorMode == QPrinter::GrayScale) || img.allGray();
+ int splitSize = 21830 * (gray ? 3 : 1);
+ if (width * height > splitSize) { // 65535/3, tolerance for broken printers
+ int images, subheight;
+ images = (width * height + splitSize - 1) / splitSize;
+ subheight = (height + images-1) / images;
+ while (subheight * width > splitSize) {
+ images++;
+ subheight = (height + images-1) / images;
+ }
+ int suby = 0;
+ const QImage constImg(img);
+ const QImage constMask(mask);
+ while(suby < height) {
+ qreal subImageHeight = qMin(subheight, height-suby);
+ const QImage subImage(constImg.scanLine(suby), width, subImageHeight,
+ constImg.bytesPerLine(), constImg.format());
+ const QImage subMask = mask.isNull() ? mask : QImage(constMask.scanLine(suby), width, subImageHeight,
+ constMask.bytesPerLine(), constMask.format());
+ drawImageHelper(x, y + suby/scaleY, w, subImageHeight/scaleY,
+ subImage, subMask, gray, scaleX, scaleY);
+ suby += subheight;
+ }
+ } else {
+ drawImageHelper(x, y, width, height, img, mask, gray, scaleX, scaleY);
+ }
+}
+
+void QPSPrintEnginePrivate::emitHeader(bool finished)
+{
+ QPSPrintEngine *q = static_cast<QPSPrintEngine *>(q_ptr);
+ QPrinter *printer = static_cast<QPrinter*>(pdev);
+
+ if (creator.isEmpty())
+ creator = QLatin1String("Qt " QT_VERSION_STR);
+
+ QByteArray header;
+ QPdf::ByteStream s(&header);
+ s << "%!PS-Adobe-1.0";
+
+ qreal scale = 72. / ((qreal) q->metric(QPaintDevice::PdmDpiY));
+ QRect pageRect = this->pageRect();
+ QRect paperRect = this->paperRect();
+ int mtop = pageRect.top() - paperRect.top();
+ int mleft = pageRect.left() - paperRect.left();
+ int mbottom = paperRect.bottom() - pageRect.bottom();
+ int mright = paperRect.right() - pageRect.right();
+ int width = pageRect.width();
+ int height = pageRect.height();
+ if (finished && pageCount == 1 && copies == 1 &&
+ ((fullPage && qt_gen_epsf) || (outputFileName.endsWith(QLatin1String(".eps"))))
+ ) {
+ if (!boundingBox.isValid())
+ boundingBox.setRect(0, 0, width, height);
+ if (orientation == QPrinter::Landscape) {
+ if (!fullPage)
+ boundingBox.translate(-mleft, -mtop);
+ s << " EPSF-3.0\n%%BoundingBox: "
+ << (int)(printer->height() - boundingBox.bottom())*scale // llx
+ << (int)(printer->width() - boundingBox.right())*scale - 1 // lly
+ << (int)(printer->height() - boundingBox.top())*scale + 1 // urx
+ << (int)(printer->width() - boundingBox.left())*scale; // ury
+ } else {
+ if (!fullPage)
+ boundingBox.translate(mleft, -mtop);
+ s << " EPSF-3.0\n%%BoundingBox: "
+ << (int)(boundingBox.left())*scale
+ << (int)(printer->height() - boundingBox.bottom())*scale - 1
+ << (int)(boundingBox.right())*scale + 1
+ << (int)(printer->height() - boundingBox.top())*scale;
+ }
+ } else {
+ int w = width + (fullPage ? 0 : mleft + mright);
+ int h = height + (fullPage ? 0 : mtop + mbottom);
+ w = (int)(w*scale);
+ h = (int)(h*scale);
+ // set a bounding box according to the DSC
+ if (orientation == QPrinter::Landscape)
+ s << "\n%%BoundingBox: 0 0 " << h << w;
+ else
+ s << "\n%%BoundingBox: 0 0 " << w << h;
+ }
+ s << '\n' << wrapDSC("%%Creator: " + creator.toUtf8());
+ if (!title.isEmpty())
+ s << wrapDSC("%%Title: " + title.toUtf8());
+#ifndef QT_NO_DATESTRING
+ s << "%%CreationDate: " << QDateTime::currentDateTime().toString().toUtf8();
+#endif
+ s << "\n%%Orientation: ";
+ if (orientation == QPrinter::Landscape)
+ s << "Landscape";
+ else
+ s << "Portrait";
+
+ s << "\n%%Pages: (atend)"
+ "\n%%DocumentFonts: (atend)"
+ "\n%%EndComments\n"
+
+ "%%BeginProlog\n"
+ "% Prolog copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).\n"
+ "% You may copy this prolog in any way that is directly related to this document.\n"
+ "% For other use of this prolog, see your licensing agreement for Qt.\n"
+ << ps_header << '\n';
+
+
+ s << "/pageinit {\n";
+ if (!fullPage) {
+ if (orientation == QPrinter::Portrait)
+ s << mleft*scale << mbottom*scale << "translate\n";
+ else
+ s << mtop*scale << mleft*scale << "translate\n";
+ }
+ if (orientation == QPrinter::Portrait) {
+ s << "% " << printer->widthMM() << '*' << printer->heightMM()
+ << "mm (portrait)\n0 " << height*scale
+ << "translate " << scale << '-' << scale << "scale } def\n";
+ } else {
+ s << "% " << printer->heightMM() << '*' << printer->widthMM()
+ << " mm (landscape)\n 90 rotate " << scale << '-' << scale << "scale } def\n";
+ }
+ s << "%%EndProlog\n";
+
+ outDevice->write(header);
+ headerDone = true;
+}
+
+
+void QPSPrintEnginePrivate::emitPages()
+{
+ if (!hugeDocument) {
+ for (QHash<QFontEngine::FaceId, QFontSubset *>::const_iterator it = fonts.constBegin();
+ it != fonts.constEnd(); ++it)
+ outDevice->write((*it)->toType1());
+ }
+
+ QIODevice *content = buffer.stream();
+ // Write the page contents in chunks.
+ while (!content->atEnd()) {
+ QByteArray buf = content->read(currentPage->chunkSize());
+ if (!buf.isEmpty())
+ outDevice->write(buf);
+ }
+ content = currentPage->stream();
+ // Write the page contents in chunks.
+ while (!content->atEnd()) {
+ QByteArray buf = content->read(currentPage->chunkSize());
+ if (!buf.isEmpty())
+ outDevice->write(buf);
+ }
+ outDevice->write(trailer);
+
+ buffer.clear();
+ currentPage->clear();
+ trailer = QByteArray();
+ hugeDocument = true;
+}
+
+
+#ifdef Q_WS_QWS
+static const int max_in_memory_size = 2000000;
+#else
+static const int max_in_memory_size = 32000000;
+#endif
+
+void QPSPrintEnginePrivate::flushPage(bool last)
+{
+ if (!last && currentPage->stream()->size() == 0)
+ return;
+
+ QPdf::ByteStream e(&trailer);
+ buffer << "%%Page: "
+ << pageCount << pageCount << "\n"
+ "%%BeginPageSetup\n"
+ "QI\n";
+ if (hugeDocument) {
+ for (QHash<QFontEngine::FaceId, QFontSubset *>::const_iterator it = fonts.constBegin();
+ it != fonts.constEnd(); ++it) {
+ if (currentPage->fonts.contains((*it)->object_id)) {
+ if ((*it)->downloaded_glyphs == 0) {
+ buffer << (*it)->toType1();
+ (*it)->downloaded_glyphs = 0;
+ } else {
+ buffer << (*it)->type1AddedGlyphs();
+ }
+ }
+ }
+ }
+ for (int i = 0; i < currentPage->fonts.size(); ++i)
+ buffer << "(F" << QByteArray::number(currentPage->fonts.at(i)) << ") T1Setup\n";
+
+ buffer << "%%EndPageSetup\nq\n";
+ e << "\nQ QP\n";
+ if (last || hugeDocument
+ || buffer.stream()->size() + currentPage->stream()->size() > max_in_memory_size) {
+// qDebug("emiting header at page %d", pageCount);
+ if (!headerDone)
+ emitHeader(last);
+ emitPages();
+ } else {
+ buffer << *currentPage << e;
+ currentPage->clear();
+ trailer.clear();
+ }
+ pageCount++;
+}
+
+// ================ PSPrinter class ========================
+
+QPSPrintEngine::QPSPrintEngine(QPrinter::PrinterMode m)
+ : QPdfBaseEngine(*(new QPSPrintEnginePrivate(m)),
+ PrimitiveTransform
+ | PatternTransform
+ | PixmapTransform
+ | PainterPaths
+ | PatternBrush
+ )
+{
+}
+
+static void ignoreSigPipe(bool b)
+{
+#ifndef QT_NO_LPR
+ static struct sigaction *users_sigpipe_handler = 0;
+ static int lockCount = 0;
+
+#ifndef QT_NO_THREAD
+ QMutexLocker locker(QMutexPool::globalInstanceGet(&users_sigpipe_handler));
+#endif
+
+ if (b) {
+ if (lockCount++ > 0)
+ return;
+
+ if (users_sigpipe_handler != 0)
+ return; // already ignoring sigpipe
+
+ users_sigpipe_handler = new struct sigaction;
+ struct sigaction tmp_sigpipe_handler;
+ tmp_sigpipe_handler.sa_handler = SIG_IGN;
+ sigemptyset(&tmp_sigpipe_handler.sa_mask);
+ tmp_sigpipe_handler.sa_flags = 0;
+
+ if (sigaction(SIGPIPE, &tmp_sigpipe_handler, users_sigpipe_handler) == -1) {
+ delete users_sigpipe_handler;
+ users_sigpipe_handler = 0;
+ }
+ }
+ else {
+ if (--lockCount > 0)
+ return;
+
+ if (users_sigpipe_handler == 0)
+ return; // not ignoring sigpipe
+
+ if (sigaction(SIGPIPE, users_sigpipe_handler, 0) == -1)
+ qWarning("QPSPrintEngine: Could not restore SIGPIPE handler");
+
+ delete users_sigpipe_handler;
+ users_sigpipe_handler = 0;
+ }
+#else
+ Q_UNUSED(b);
+#endif
+}
+QPSPrintEngine::~QPSPrintEngine()
+{
+ Q_D(QPSPrintEngine);
+ if (d->fd >= 0)
+#if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400
+ ::_close(d->fd);
+#else
+ ::close(d->fd);
+#endif
+}
+
+bool QPSPrintEngine::begin(QPaintDevice *pdev)
+{
+ Q_D(QPSPrintEngine);
+
+ if (d->fd >= 0)
+ return true;
+
+ if (d->useAlphaEngine) {
+ QAlphaPaintEngine::begin(pdev);
+ if (!continueCall())
+ return true;
+ }
+
+ if(!QPdfBaseEngine::begin(pdev)) {
+ d->printerState = QPrinter::Error;
+ return false;
+ }
+
+ d->pageCount = 1; // initialize state
+
+ d->pen = QPen(Qt::black);
+ d->brush = Qt::NoBrush;
+ d->hasPen = true;
+ d->hasBrush = false;
+ d->clipEnabled = false;
+ d->allClipped = false;
+ d->boundingBox = QRect();
+ d->fontsUsed = "";
+ d->hugeDocument = false;
+ d->simplePen = false;
+
+ setActive(true);
+ d->printerState = QPrinter::Active;
+
+ newPage();
+
+ return true;
+}
+
+bool QPSPrintEngine::end()
+{
+ Q_D(QPSPrintEngine);
+
+ if (d->useAlphaEngine) {
+ QAlphaPaintEngine::end();
+ if (!continueCall())
+ return true;
+ }
+
+ // we're writing to lp/lpr through a pipe, we don't want to crash with SIGPIPE
+ // if lp/lpr dies
+ ignoreSigPipe(true);
+ d->flushPage(true);
+ QByteArray trailer;
+ QPdf::ByteStream s(&trailer);
+ s << "%%Trailer\n"
+ "%%Pages: " << d->pageCount - 1 << '\n' <<
+ wrapDSC("%%DocumentFonts: " + d->fontsUsed);
+ s << "%%EOF\n";
+ d->outDevice->write(trailer);
+
+ QPdfBaseEngine::end();
+ ignoreSigPipe(false);
+
+ d->firstPage = true;
+ d->headerDone = false;
+
+ setActive(false);
+ d->printerState = QPrinter::Idle;
+ d->pdev = 0;
+
+ return true;
+}
+
+void QPSPrintEngine::setBrush()
+{
+ Q_D(QPSPrintEngine);
+#if 0
+ bool specifyColor;
+ int gStateObject = 0;
+ int patternObject = d->addBrushPattern(brush, d->stroker.matrix, brushOrigin, &specifyColor, &gStateObject);
+
+ *d->currentPage << (patternObject ? "/PCSp cs " : "/CSp cs ");
+ if (specifyColor) {
+ QColor rgba = brush.color();
+ *d->currentPage << rgba.redF()
+ << rgba.greenF()
+ << rgba.blueF();
+ }
+ if (patternObject)
+ *d->currentPage << "/Pat" << patternObject;
+ *d->currentPage << "scn\n";
+#endif
+ 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();
+ }
+ *d->currentPage << "scn\n"
+ << "/BSt " << d->brush.style() << "def\n";
+}
+
+void QPSPrintEngine::drawImageInternal(const QRectF &r, QImage image, bool bitmap)
+{
+ Q_D(QPSPrintEngine);
+ if (d->clipEnabled && d->allClipped)
+ return;
+ if (bitmap && image.depth() != 1)
+ bitmap = false;
+ QImage mask;
+ // the below is not necessary since it's handled by the alpha
+ // engine
+ if (!d->useAlphaEngine && !bitmap) {
+ if (image.format() == QImage::Format_Mono || image.format() == QImage::Format_MonoLSB)
+ image = image.convertToFormat(QImage::Format_Indexed8);
+ if (image.hasAlphaChannel()) {
+ // get better alpha dithering
+ int xscale = image.width();
+ xscale *= xscale <= 800 ? 4 : (xscale <= 1600 ? 2 : 1);
+ int yscale = image.height();
+ yscale *= yscale <= 800 ? 4 : (yscale <= 1600 ? 2 : 1);
+ image = image.scaled(xscale, yscale);
+ mask = image.createAlphaMask(Qt::OrderedAlphaDither);
+ }
+ }
+ *d->currentPage << "q\n";
+ if(!d->simplePen)
+ *d->currentPage << QPdf::generateMatrix(d->stroker.matrix);
+ QBrush b = d->brush;
+ if (image.depth() == 1) {
+ // set current pen as brush
+ d->brush = d->pen.brush();
+ setBrush();
+ }
+ d->drawImage(r.x(), r.y(), r.width(), r.height(), image, mask);
+ *d->currentPage << "Q\n";
+ d->brush = b;
+}
+
+
+void QPSPrintEngine::drawImage(const QRectF &r, const QImage &img, const QRectF &sr,
+ Qt::ImageConversionFlags)
+{
+ Q_D(QPSPrintEngine);
+
+ if (d->useAlphaEngine) {
+ QAlphaPaintEngine::drawImage(r, img, sr);
+ if (!continueCall())
+ return;
+ }
+ QImage image = img.copy(sr.toRect());
+ drawImageInternal(r, image, false);
+}
+
+void QPSPrintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
+{
+ Q_D(QPSPrintEngine);
+
+ if (d->useAlphaEngine) {
+ QAlphaPaintEngine::drawPixmap(r, pm, sr);
+ if (!continueCall())
+ return;
+ }
+
+ QImage img = pm.copy(sr.toRect()).toImage();
+ drawImageInternal(r, img, true);
+}
+
+void QPSPrintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &p)
+{
+ Q_D(QPSPrintEngine);
+
+ if (d->useAlphaEngine) {
+ QAlphaPaintEngine::drawTiledPixmap(r, pixmap, p);
+ if (!continueCall())
+ return;
+ }
+
+ if (d->clipEnabled && d->allClipped)
+ return;
+ // ### Optimise implementation!
+ qreal yPos = r.y();
+ qreal yOff = p.y();
+ while(yPos < r.y() + r.height()) {
+ qreal drawH = pixmap.height() - yOff; // Cropping first row
+ if (yPos + drawH > r.y() + r.height()) // Cropping last row
+ drawH = r.y() + r.height() - yPos;
+ qreal xPos = r.x();
+ qreal xOff = p.x();
+ while(xPos < r.x() + r.width()) {
+ qreal drawW = pixmap.width() - xOff; // Cropping first column
+ if (xPos + drawW > r.x() + r.width()) // Cropping last column
+ drawW = r.x() + r.width() - xPos;
+ // ########
+ painter()->drawPixmap(QPointF(xPos, yPos).toPoint(), pixmap,
+ QRectF(xOff, yOff, drawW, drawH).toRect());
+ xPos += drawW;
+ xOff = 0;
+ }
+ yPos += drawH;
+ yOff = 0;
+ }
+
+}
+
+bool QPSPrintEngine::newPage()
+{
+ Q_D(QPSPrintEngine);
+
+ if (!d->firstPage && d->useAlphaEngine)
+ flushAndInit();
+
+ // we're writing to lp/lpr through a pipe, we don't want to crash with SIGPIPE
+ // if lp/lpr dies
+ ignoreSigPipe(true);
+ if (!d->firstPage)
+ d->flushPage();
+ d->firstPage = false;
+ ignoreSigPipe(false);
+
+ delete d->currentPage;
+ d->currentPage = new QPdfPage;
+ d->stroker.stream = d->currentPage;
+
+ return QPdfBaseEngine::newPage();
+}
+
+bool QPSPrintEngine::abort()
+{
+ // ### abort!?!
+ return false;
+}
+
+QPrinter::PrinterState QPSPrintEngine::printerState() const
+{
+ Q_D(const QPSPrintEngine);
+ return d->printerState;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_PRINTER