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Diffstat (limited to 'src/gui/painting/qprintengine_ps.cpp')
| -rw-r--r-- | src/gui/painting/qprintengine_ps.cpp | 972 |
1 files changed, 0 insertions, 972 deletions
diff --git a/src/gui/painting/qprintengine_ps.cpp b/src/gui/painting/qprintengine_ps.cpp deleted file mode 100644 index 89bec21f38..0000000000 --- a/src/gui/painting/qprintengine_ps.cpp +++ /dev/null @@ -1,972 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#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/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); - - 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"))))) - { - // According to the EPSF 3.0 spec it is required that the PS - // version is PS-Adobe-3.0 - s << "%!PS-Adobe-3.0"; - 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 { - s << "%!PS-Adobe-1.0"; - 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; - // ### Optimize 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 |