1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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6 | **
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7 | ** This file is part of the QtGui module of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you have questions regarding the use of this file, please contact
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37 | ** Nokia at qt-info@nokia.com.
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #include <private/qprintengine_qws_p.h>
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43 |
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44 | #ifndef QT_NO_PRINTER
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45 |
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46 | #include <private/qpaintengine_raster_p.h>
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47 | #include <qimage.h>
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48 | #include <qfile.h>
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49 | #include <qdebug.h>
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50 | #include <QCopChannel>
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51 |
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52 | QT_BEGIN_NAMESPACE
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53 |
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54 | #define MM(n) int((n * 720 + 127) / 254)
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55 | #define IN(n) int(n * 72)
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56 |
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57 | extern QSizeF qt_paperSizeToQSizeF(QPrinter::PaperSize size);
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58 |
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59 | QtopiaPrintEngine::QtopiaPrintEngine(QPrinter::PrinterMode mode)
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60 | : QPaintEngine(*(new QtopiaPrintEnginePrivate( mode )))
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61 | {
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62 | d_func()->initialize();
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63 | }
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64 |
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65 | bool QtopiaPrintEngine::begin(QPaintDevice *)
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66 | {
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67 | Q_D(QtopiaPrintEngine);
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68 | Q_ASSERT_X(d->printerState == QPrinter::Idle, "QtopiaPrintEngine", "printer already active");
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69 |
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70 | // Create a new off-screen monochrome image to handle the drawing process.
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71 | QSize size = paperRect().size();
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72 | if ( d->pageImage )
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73 | delete d->pageImage;
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74 | d->pageImage = new QImage( size, QImage::Format_RGB32 );
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75 | if ( !(d->pageImage) )
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76 | return false;
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77 |
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78 | // Recreate the paint engine on the new image.
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79 | delete d->_paintEngine;
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80 | d->_paintEngine = 0;
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81 | d->paintEngine()->state = state;
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82 |
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83 | // Begin the paint process on the image.
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84 | if (!d->paintEngine()->begin(d->pageImage))
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85 | return false;
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86 |
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87 | // Clear the first page to all-white.
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88 | clearPage();
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89 |
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90 | // Clear the print buffer and output the image header.
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91 | d->buffer.clear();
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92 | d->writeG3FaxHeader();
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93 |
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94 | // The print engine is currently active.
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95 | d->printerState = QPrinter::Active;
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96 | return true;
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97 | }
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98 |
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99 | bool QtopiaPrintEngine::end()
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100 | {
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101 | Q_D(QtopiaPrintEngine);
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102 |
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103 | d->paintEngine()->end();
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104 |
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105 | // Flush the last page.
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106 | flushPage();
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107 |
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108 | // Output the fax data to a file (TODO: send to the print queuing daemon).
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109 | QString filename;
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110 | if ( !d->outputFileName.isEmpty() )
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111 | filename = QString::fromLocal8Bit(qgetenv("HOME").constData()) + QLatin1String("/Documents/") + d->outputFileName;
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112 | else
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113 | filename = QString::fromLocal8Bit(qgetenv("HOME").constData()) + QLatin1String("/tmp/qwsfax.tiff");
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114 |
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115 | setProperty(QPrintEngine::PPK_OutputFileName, filename);
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116 | QFile file( filename );
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117 | if ( !file.open( QIODevice::WriteOnly | QIODevice::Truncate ) ) {
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118 | qDebug( "Failed to open %s for printer output",
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119 | filename.toLatin1().constData() );
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120 | } else {
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121 | file.write( d->buffer.data() );
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122 | file.close();
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123 | }
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124 |
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125 | // Free up the memory for the image buffer.
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126 | d->buffer.clear();
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127 |
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128 | // Finalize the print job.
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129 | d->printerState = QPrinter::Idle;
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130 |
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131 | // call qcop service
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132 | QMap<QString, QVariant> map;
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133 | for ( int x = 0; x <= QPrintEngine::PPK_Duplex; x++ )
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134 | map.insert( QString::number(x), property((QPrintEngine::PrintEnginePropertyKey)(x)));
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135 | QVariant variant(map);
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136 |
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137 | QByteArray data;
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138 | QDataStream out(&data, QIODevice::WriteOnly);
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139 | out << variant;
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140 | QCopChannel::send(QLatin1String("QPE/Service/Print"), QLatin1String("print(QVariant)"), data);
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141 |
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142 | return true;
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143 | }
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144 |
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145 | QPaintEngine *QtopiaPrintEngine::paintEngine() const
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146 | {
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147 | return const_cast<QtopiaPrintEnginePrivate *>(d_func())->paintEngine();
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148 | }
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149 |
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150 | void QtopiaPrintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
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151 | {
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152 | Q_D(QtopiaPrintEngine);
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153 | Q_ASSERT(d->printerState == QPrinter::Active);
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154 | d->paintEngine()->drawPixmap(r, pm, sr);
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155 | }
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156 |
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157 | void QtopiaPrintEngine::drawTextItem(const QPointF &p, const QTextItem &ti)
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158 | {
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159 | Q_D(QtopiaPrintEngine);
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160 | Q_ASSERT(d->printerState == QPrinter::Active);
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161 | d->paintEngine()->drawTextItem(p, ti);
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162 | }
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163 |
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164 | void QtopiaPrintEngine::updateState(const QPaintEngineState &state)
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165 | {
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166 | Q_D(QtopiaPrintEngine);
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167 | d->paintEngine()->updateState(state);
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168 | }
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169 |
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170 | QRect QtopiaPrintEngine::paperRect() const
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171 | {
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172 | QSizeF s = qt_paperSizeToQSizeF(d_func()->paperSize);
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173 | s.rwidth() = MM(s.width());
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174 | s.rheight() = MM(s.height());
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175 | int w = qRound(s.width()*d_func()->resolution/72.);
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176 | int h = qRound(s.height()*d_func()->resolution/72.);
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177 | if (d_func()->orientation == QPrinter::Portrait)
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178 | return QRect(0, 0, w, h);
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179 | else
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180 | return QRect(0, 0, h, w);
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181 | }
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182 |
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183 | QRect QtopiaPrintEngine::pageRect() const
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184 | {
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185 | QRect r = paperRect();
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186 | if (d_func()->fullPage)
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187 | return r;
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188 | // would be nice to get better margins than this.
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189 | return QRect(d_func()->resolution/3, d_func()->resolution/3, r.width()-2*d_func()->resolution/3, r.height()-2*d_func()->resolution/3);
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190 | }
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191 |
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192 | bool QtopiaPrintEngine::newPage()
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193 | {
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194 | flushPage();
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195 | clearPage();
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196 | ++(d_func()->pageNumber);
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197 | return true;
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198 | }
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199 |
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200 | bool QtopiaPrintEngine::abort()
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201 | {
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202 | return false;
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203 | }
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204 |
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205 | QPrinter::PrinterState QtopiaPrintEngine::printerState() const
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206 | {
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207 | return d_func()->printerState;
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208 | }
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209 |
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210 | int QtopiaPrintEngine::metric(QPaintDevice::PaintDeviceMetric metricType) const
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211 | {
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212 | int val;
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213 | QRect r = d_func()->fullPage ? paperRect() : pageRect();
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214 | switch (metricType) {
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215 | case QPaintDevice::PdmWidth:
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216 | val = r.width();
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217 | break;
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218 | case QPaintDevice::PdmHeight:
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219 | val = r.height();
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220 | break;
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221 | case QPaintDevice::PdmDpiX:
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222 | val = d_func()->resolution;
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223 | break;
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224 | case QPaintDevice::PdmDpiY:
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225 | val = d_func()->resolution;
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226 | break;
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227 | case QPaintDevice::PdmPhysicalDpiX:
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228 | case QPaintDevice::PdmPhysicalDpiY:
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229 | val = QT_QWS_PRINTER_DEFAULT_DPI;
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230 | break;
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231 | case QPaintDevice::PdmWidthMM:
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232 | val = qRound(r.width()*25.4/d_func()->resolution);
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233 | break;
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234 | case QPaintDevice::PdmHeightMM:
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235 | val = qRound(r.height()*25.4/d_func()->resolution);
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236 | break;
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237 | case QPaintDevice::PdmNumColors:
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238 | val = 2;
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239 | break;
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240 | case QPaintDevice::PdmDepth:
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241 | val = 1;
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242 | break;
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243 | default:
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244 | qWarning("QtopiaPrintEngine::metric: Invalid metric command");
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245 | return 0;
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246 | }
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247 | return val;
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248 | }
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249 |
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250 | QVariant QtopiaPrintEngine::property(PrintEnginePropertyKey key) const
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251 | {
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252 | Q_D(const QtopiaPrintEngine);
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253 | QVariant ret;
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254 |
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255 | switch (key) {
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256 | case PPK_CollateCopies:
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257 | ret = d->collateCopies;
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258 | break;
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259 | case PPK_ColorMode:
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260 | ret = d->colorMode;
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261 | break;
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262 | case PPK_Creator:
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263 | ret = d->creator;
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264 | break;
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265 | case PPK_DocumentName:
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266 | ret = d->docName;
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267 | break;
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268 | case PPK_FullPage:
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269 | ret = d->fullPage;
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270 | break;
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271 | case PPK_CopyCount: // fallthrough
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272 | case PPK_NumberOfCopies:
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273 | ret = d->numCopies;
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274 | break;
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275 | case PPK_SupportsMultipleCopies:
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276 | ret = false;
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277 | break;
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278 | case PPK_Orientation:
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279 | ret = d->orientation;
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280 | break;
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281 | case PPK_OutputFileName:
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282 | ret = d->outputFileName;
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283 | break;
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284 | case PPK_PageOrder:
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285 | ret = d->pageOrder;
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286 | break;
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287 | case PPK_PageRect:
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288 | ret = pageRect();
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289 | break;
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290 | case PPK_PaperSize:
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291 | ret = d->paperSize;
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292 | break;
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293 | case PPK_PaperRect:
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294 | ret = paperRect();
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295 | break;
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296 | case PPK_PaperSource:
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297 | ret = d->paperSource;
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298 | break;
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299 | case PPK_PrinterName:
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300 | ret = d->printerName;
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301 | break;
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302 | case PPK_PrinterProgram:
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303 | ret = d->printProgram;
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304 | break;
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305 | case PPK_Resolution:
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306 | ret = d->resolution;
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307 | break;
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308 | case PPK_SupportedResolutions:
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309 | ret = QList<QVariant>() << QT_QWS_PRINTER_DEFAULT_DPI;
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310 | break;
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311 | default:
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312 | break;
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313 | }
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314 | return ret;
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315 | }
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316 |
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317 | void QtopiaPrintEngine::setProperty(PrintEnginePropertyKey key, const QVariant &value)
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318 | {
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319 | Q_D(QtopiaPrintEngine);
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320 | switch (key) {
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321 | case PPK_CollateCopies:
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322 | d->collateCopies = value.toBool();
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323 | break;
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324 | case PPK_ColorMode:
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325 | d->colorMode = QPrinter::ColorMode(value.toInt());
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326 | break;
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327 | case PPK_Creator:
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328 | d->creator = value.toString();
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329 | break;
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330 | case PPK_DocumentName:
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331 | d->docName = value.toString();
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332 | break;
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333 | case PPK_FullPage:
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334 | d->fullPage = value.toBool();
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335 | break;
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336 | case PPK_CopyCount: // fallthrough
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337 | case PPK_NumberOfCopies:
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338 | d->numCopies = value.toInt();
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339 | break;
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340 | case PPK_Orientation:
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341 | d->orientation = QPrinter::Orientation(value.toInt());
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342 | break;
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343 | case PPK_OutputFileName:
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344 | d->outputFileName = value.toString();
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345 | break;
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346 | case PPK_PageOrder:
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347 | d->pageOrder = QPrinter::PageOrder(value.toInt());
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348 | break;
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349 | case PPK_PaperSize:
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350 | d->paperSize = QPrinter::PaperSize(value.toInt());
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351 | break;
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352 | case PPK_PaperSource:
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353 | d->paperSource = QPrinter::PaperSource(value.toInt());
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354 | case PPK_PrinterName:
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355 | d->printerName = value.toString();
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356 | break;
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357 | case PPK_PrinterProgram:
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358 | d->printProgram = value.toString();
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359 | break;
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360 | case PPK_Resolution:
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361 | d->resolution = value.toInt();
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362 | break;
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363 | default:
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364 | break;
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365 | }
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366 | }
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367 |
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368 | void QtopiaPrintEngine::clearPage()
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369 | {
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370 | d_func()->pageImage->fill(QColor(255, 255, 255).rgb());
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371 | }
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372 |
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373 | void QtopiaPrintEngine::flushPage()
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374 | {
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375 | d_func()->writeG3FaxPage();
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376 | }
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377 |
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378 | QtopiaPrintEnginePrivate::~QtopiaPrintEnginePrivate()
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379 | {
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380 | if ( pageImage )
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381 | delete pageImage;
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382 | }
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383 |
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384 | void QtopiaPrintEnginePrivate::initialize()
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385 | {
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386 | _paintEngine = 0;
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387 | }
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388 |
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389 | QPaintEngine *QtopiaPrintEnginePrivate::paintEngine()
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390 | {
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391 | if (!_paintEngine)
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392 | _paintEngine = new QRasterPaintEngine(pageImage);
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393 | return _paintEngine;
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394 | }
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395 |
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396 | void QtopiaPrintEnginePrivate::writeG3FaxHeader()
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397 | {
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398 | // Write the TIFF file magic number (little-endian TIFF).
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399 | buffer.append( (char)'I' );
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400 | buffer.append( (char)'I' );
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401 | buffer.append( (char)42 );
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402 | buffer.append( (char)0 );
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403 |
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404 | // Leave a place-holder for the IFD offset of the first page.
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405 | ifdPatch = buffer.size();
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406 | buffer.append( (int)0 );
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407 | }
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408 |
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409 | // Tag values, from RFC 2301.
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410 | #define TIFF_IFD_NEW_SUB_FILE_TYPE 254
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411 | #define TIFF_IFD_IMAGE_WIDTH 256
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412 | #define TIFF_IFD_IMAGE_LENGTH 257
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413 | #define TIFF_IFD_BITS_PER_SAMPLE 258
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414 | #define TIFF_IFD_COMPRESSION 259
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415 | #define TIFF_IFD_PHOTOMETRIC_INTERP 262
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416 | #define TIFF_IFD_FILL_ORDER 266
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417 | #define TIFF_IFD_STRIP_OFFSETS 273
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418 | #define TIFF_IFD_ORIENTATION 274
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419 | #define TIFF_IFD_SAMPLES_PER_PIXEL 277
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420 | #define TIFF_IFD_ROWS_PER_STRIP 278
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421 | #define TIFF_IFD_STRIP_BYTE_COUNTS 279
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422 | #define TIFF_IFD_X_RESOLUTION 282
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423 | #define TIFF_IFD_Y_RESOLUTION 283
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424 | #define TIFF_IFD_PLANAR_CONFIG 284
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425 | #define TIFF_IFD_T4_OPTIONS 292
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426 | #define TIFF_IFD_RESOLUTION_UNIT 296
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427 | #define TIFF_IFD_PAGE_NUMBER 297
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428 | #define TIFF_IFD_CLEAN_FAX_DATA 327
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429 |
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430 | // IFD type values.
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431 | #define TIFF_TYPE_SHORT 3
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432 | #define TIFF_TYPE_LONG 4
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433 | #define TIFF_TYPE_RATIONAL 5
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434 |
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435 | // Construct a SHORT pair from two values.
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436 | #define TIFF_SHORT_PAIR(a,b) (((a) & 0xFFFF) | ((b) << 16))
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437 |
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438 | // Width of a FAX page in pixels, in the baseline specification from RFC 2301.
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439 | // This must be hard-wired, as per the RFC. We truncate any pixels that
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440 | // are beyond this limit, or pad lines to reach this limit.
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441 | #define TIFF_FAX_WIDTH 1728
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442 |
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443 | void QtopiaPrintEnginePrivate::writeG3FaxPage()
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444 | {
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445 | // Pad the image file to a word boundary, just in case.
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446 | buffer.pad();
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447 |
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448 | // Back-patch the IFD link for the previous page.
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449 | buffer.patch( ifdPatch, buffer.size() );
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450 |
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451 | // Output the contents of the IFD for this page (these must be
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452 | // in ascending order of tag value).
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453 | buffer.append( (short)19 ); // Number of IFD entries.
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454 | writeG3IFDEntry( TIFF_IFD_NEW_SUB_FILE_TYPE, TIFF_TYPE_LONG, 1, 2 );
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455 | writeG3IFDEntry( TIFF_IFD_IMAGE_WIDTH, TIFF_TYPE_LONG, 1, TIFF_FAX_WIDTH );
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456 | writeG3IFDEntry
|
---|
457 | ( TIFF_IFD_IMAGE_LENGTH, TIFF_TYPE_LONG, 1, pageImage->height() );
|
---|
458 | writeG3IFDEntry( TIFF_IFD_BITS_PER_SAMPLE, TIFF_TYPE_SHORT, 1, 1 );
|
---|
459 | writeG3IFDEntry( TIFF_IFD_COMPRESSION, TIFF_TYPE_SHORT, 1, 3 );
|
---|
460 | writeG3IFDEntry( TIFF_IFD_PHOTOMETRIC_INTERP, TIFF_TYPE_SHORT, 1, 0 );
|
---|
461 | writeG3IFDEntry( TIFF_IFD_FILL_ORDER, TIFF_TYPE_SHORT, 1, 1 );
|
---|
462 | int stripOffsets =
|
---|
463 | writeG3IFDEntry( TIFF_IFD_STRIP_OFFSETS, TIFF_TYPE_LONG, 1, 0 );
|
---|
464 | writeG3IFDEntry( TIFF_IFD_ORIENTATION, TIFF_TYPE_SHORT, 1, 1 );
|
---|
465 | writeG3IFDEntry( TIFF_IFD_SAMPLES_PER_PIXEL, TIFF_TYPE_SHORT, 1, 1 );
|
---|
466 | writeG3IFDEntry
|
---|
467 | ( TIFF_IFD_ROWS_PER_STRIP, TIFF_TYPE_LONG, 1, pageImage->height() );
|
---|
468 | int stripBytes = writeG3IFDEntry
|
---|
469 | ( TIFF_IFD_STRIP_BYTE_COUNTS, TIFF_TYPE_LONG, 1, 0 );
|
---|
470 | int xres =
|
---|
471 | writeG3IFDEntry( TIFF_IFD_X_RESOLUTION, TIFF_TYPE_RATIONAL, 1, 0 );
|
---|
472 | int yres =
|
---|
473 | writeG3IFDEntry( TIFF_IFD_Y_RESOLUTION, TIFF_TYPE_RATIONAL, 1, 0 );
|
---|
474 | writeG3IFDEntry( TIFF_IFD_PLANAR_CONFIG, TIFF_TYPE_SHORT, 1, 1 );
|
---|
475 | writeG3IFDEntry( TIFF_IFD_T4_OPTIONS, TIFF_TYPE_LONG, 1, 2 );
|
---|
476 | writeG3IFDEntry( TIFF_IFD_RESOLUTION_UNIT, TIFF_TYPE_SHORT, 1, 2 );
|
---|
477 | writeG3IFDEntry( TIFF_IFD_PAGE_NUMBER, TIFF_TYPE_SHORT, 2,
|
---|
478 | TIFF_SHORT_PAIR( pageNumber, 0 ) );
|
---|
479 | writeG3IFDEntry( TIFF_IFD_CLEAN_FAX_DATA, TIFF_TYPE_SHORT, 1, 0 );
|
---|
480 |
|
---|
481 | // Leave a place-holder for the IFD offset of the next page.
|
---|
482 | ifdPatch = buffer.size();
|
---|
483 | buffer.append( (int)0 );
|
---|
484 |
|
---|
485 | // Output the X and Y resolutions, as rational values (usually 200/1).
|
---|
486 | buffer.patch( xres, buffer.size() );
|
---|
487 | buffer.append( (int)resolution );
|
---|
488 | buffer.append( (int)1 );
|
---|
489 | buffer.patch( yres, buffer.size() );
|
---|
490 | buffer.append( (int)resolution );
|
---|
491 | buffer.append( (int)1 );
|
---|
492 |
|
---|
493 | // We are now at the start of the image data - set the strip offset.
|
---|
494 | int start = buffer.size();
|
---|
495 | buffer.patch( stripOffsets, start );
|
---|
496 |
|
---|
497 | // Output the image data.
|
---|
498 | int width = pageImage->width();
|
---|
499 | QImage::Format imageFormat = pageImage->format();
|
---|
500 | for ( int y = 0; y < pageImage->height(); ++y ) {
|
---|
501 | unsigned char *scan = pageImage->scanLine(y);
|
---|
502 | int prev, pixel, len;
|
---|
503 | writeG3EOL();
|
---|
504 | prev = 0;
|
---|
505 | len = 0;
|
---|
506 |
|
---|
507 | uint currentColor = qRgb(255, 255, 255); // start with white
|
---|
508 |
|
---|
509 | for ( int x = 0; x < width && x < TIFF_FAX_WIDTH; ++x ) {
|
---|
510 | if ( imageFormat == QImage::Format_RGB32 ) {
|
---|
511 | // read color of the current pixel
|
---|
512 | uint *p = (uint *)scan + x;
|
---|
513 |
|
---|
514 | if ( *p == currentColor ) { // if it is the same color
|
---|
515 | len++; // imcrement length
|
---|
516 | } else { // otherwise write color into the buffer
|
---|
517 | if ( len > 0 ) {
|
---|
518 | if ( currentColor == qRgb(0, 0, 0) )
|
---|
519 | writeG3BlackRun( len );
|
---|
520 | else
|
---|
521 | writeG3WhiteRun( len );
|
---|
522 | }
|
---|
523 | // initialise length and color;
|
---|
524 | len = 1;
|
---|
525 | currentColor = *p;
|
---|
526 | }
|
---|
527 | } else if ( imageFormat == QImage::Format_Mono ) {
|
---|
528 | pixel = ((scan[x >> 3] & (1 << (x & 7))) != 0);
|
---|
529 | if ( pixel != prev ) {
|
---|
530 | if ( prev ) {
|
---|
531 | writeG3BlackRun( len );
|
---|
532 | } else {
|
---|
533 | writeG3WhiteRun( len );
|
---|
534 | }
|
---|
535 | prev = pixel;
|
---|
536 | len = 1;
|
---|
537 | } else {
|
---|
538 | ++len;
|
---|
539 | }
|
---|
540 | }
|
---|
541 | }
|
---|
542 |
|
---|
543 | if ( imageFormat == QImage::Format_RGB32 ) {
|
---|
544 | // Output the last run on the line, and pad to TIFF_FAX_WIDTH.
|
---|
545 | if ( len != 0 ) {
|
---|
546 | if ( currentColor == qRgb(0, 0, 0) )
|
---|
547 | writeG3BlackRun( len );
|
---|
548 | else
|
---|
549 | writeG3WhiteRun( len );
|
---|
550 | }
|
---|
551 | if ( width < TIFF_FAX_WIDTH )
|
---|
552 | writeG3WhiteRun( TIFF_FAX_WIDTH - width );
|
---|
553 | } else if ( imageFormat == QImage::Format_Mono ) {
|
---|
554 | if ( len != 0 ) {
|
---|
555 | if ( prev ) {
|
---|
556 | writeG3BlackRun( len );
|
---|
557 | if ( width < TIFF_FAX_WIDTH ) {
|
---|
558 | writeG3WhiteRun( TIFF_FAX_WIDTH - width );
|
---|
559 | }
|
---|
560 | } else {
|
---|
561 | if ( width < TIFF_FAX_WIDTH ) {
|
---|
562 | writeG3WhiteRun( len + ( TIFF_FAX_WIDTH - width ) );
|
---|
563 | } else {
|
---|
564 | writeG3WhiteRun( len );
|
---|
565 | }
|
---|
566 | }
|
---|
567 | }
|
---|
568 | }
|
---|
569 | }
|
---|
570 |
|
---|
571 | // Flush the last partial byte, which is padded with zero fill bits.
|
---|
572 | if ( partialBits > 0 ) {
|
---|
573 | buffer.append( (char)( partialByte << ( 8 - partialBits ) ) );
|
---|
574 | partialByte = 0;
|
---|
575 | partialBits = 0;
|
---|
576 | }
|
---|
577 |
|
---|
578 | // end of page add six EOLs
|
---|
579 | for ( int i = 0; i < 6; i++ )
|
---|
580 | writeG3EOL();
|
---|
581 |
|
---|
582 | // Update the byte count for the image data strip.
|
---|
583 | buffer.patch( stripBytes, buffer.size() - start );
|
---|
584 | }
|
---|
585 |
|
---|
586 | int QtopiaPrintEnginePrivate::writeG3IFDEntry
|
---|
587 | ( int tag, int type, int count, int value )
|
---|
588 | {
|
---|
589 | buffer.append( (short)tag );
|
---|
590 | buffer.append( (short)type );
|
---|
591 | buffer.append( count );
|
---|
592 | buffer.append( value );
|
---|
593 | return buffer.size() - 4; // Offset of the value for back-patching.
|
---|
594 | }
|
---|
595 |
|
---|
596 | void QtopiaPrintEnginePrivate::writeG3Code( int code, int bits )
|
---|
597 | {
|
---|
598 | partialByte = ( ( partialByte << bits ) | code );
|
---|
599 | partialBits += bits;
|
---|
600 | while ( partialBits >= 8 ) {
|
---|
601 | partialBits -= 8;
|
---|
602 | buffer.append( (char)( partialByte >> partialBits ) );
|
---|
603 | }
|
---|
604 | }
|
---|
605 |
|
---|
606 | void QtopiaPrintEnginePrivate::writeG3WhiteRun( int len )
|
---|
607 | {
|
---|
608 | static struct {
|
---|
609 | unsigned short code;
|
---|
610 | unsigned short bits;
|
---|
611 | } whiteCodes[64 + 27] = {
|
---|
612 | {0x0035, 8}, // 0
|
---|
613 | {0x0007, 6},
|
---|
614 | {0x0007, 4},
|
---|
615 | {0x0008, 4},
|
---|
616 | {0x000B, 4},
|
---|
617 | {0x000C, 4},
|
---|
618 | {0x000E, 4},
|
---|
619 | {0x000F, 4},
|
---|
620 | {0x0013, 5}, // 8
|
---|
621 | {0x0014, 5},
|
---|
622 | {0x0007, 5},
|
---|
623 | {0x0008, 5},
|
---|
624 | {0x0008, 6},
|
---|
625 | {0x0003, 6},
|
---|
626 | {0x0034, 6},
|
---|
627 | {0x0035, 6},
|
---|
628 | {0x002A, 6}, // 16
|
---|
629 | {0x002B, 6},
|
---|
630 | {0x0027, 7},
|
---|
631 | {0x000C, 7},
|
---|
632 | {0x0008, 7},
|
---|
633 | {0x0017, 7},
|
---|
634 | {0x0003, 7},
|
---|
635 | {0x0004, 7},
|
---|
636 | {0x0028, 7}, // 24
|
---|
637 | {0x002B, 7},
|
---|
638 | {0x0013, 7},
|
---|
639 | {0x0024, 7},
|
---|
640 | {0x0018, 7},
|
---|
641 | {0x0002, 8},
|
---|
642 | {0x0003, 8},
|
---|
643 | {0x001A, 8},
|
---|
644 | {0x001B, 8}, // 32
|
---|
645 | {0x0012, 8},
|
---|
646 | {0x0013, 8},
|
---|
647 | {0x0014, 8},
|
---|
648 | {0x0015, 8},
|
---|
649 | {0x0016, 8},
|
---|
650 | {0x0017, 8},
|
---|
651 | {0x0028, 8},
|
---|
652 | {0x0029, 8}, // 40
|
---|
653 | {0x002A, 8},
|
---|
654 | {0x002B, 8},
|
---|
655 | {0x002C, 8},
|
---|
656 | {0x002D, 8},
|
---|
657 | {0x0004, 8},
|
---|
658 | {0x0005, 8},
|
---|
659 | {0x000A, 8},
|
---|
660 | {0x000B, 8}, // 48
|
---|
661 | {0x0052, 8},
|
---|
662 | {0x0053, 8},
|
---|
663 | {0x0054, 8},
|
---|
664 | {0x0055, 8},
|
---|
665 | {0x0024, 8},
|
---|
666 | {0x0025, 8},
|
---|
667 | {0x0058, 8},
|
---|
668 | {0x0059, 8}, // 56
|
---|
669 | {0x005A, 8},
|
---|
670 | {0x005B, 8},
|
---|
671 | {0x004A, 8},
|
---|
672 | {0x004B, 8},
|
---|
673 | {0x0032, 8},
|
---|
674 | {0x0033, 8},
|
---|
675 | {0x0034, 8},
|
---|
676 | {0x001B, 5}, // Make up codes: 64
|
---|
677 | {0x0012, 5}, // 128
|
---|
678 | {0x0017, 6}, // 192
|
---|
679 | {0x0037, 7}, // 256
|
---|
680 | {0x0036, 8}, // 320
|
---|
681 | {0x0037, 8}, // 384
|
---|
682 | {0x0064, 8}, // 448
|
---|
683 | {0x0065, 8}, // 512
|
---|
684 | {0x0068, 8}, // 576
|
---|
685 | {0x0067, 8}, // 640
|
---|
686 | {0x00CC, 9}, // 704
|
---|
687 | {0x00CD, 9}, // 768
|
---|
688 | {0x00D2, 9}, // 832
|
---|
689 | {0x00D3, 9}, // 896
|
---|
690 | {0x00D4, 9}, // 960
|
---|
691 | {0x00D5, 9}, // 1024
|
---|
692 | {0x00D6, 9}, // 1088
|
---|
693 | {0x00D7, 9}, // 1152
|
---|
694 | {0x00D8, 9}, // 1216
|
---|
695 | {0x00D9, 9}, // 1280
|
---|
696 | {0x00DA, 9}, // 1344
|
---|
697 | {0x00DB, 9}, // 1408
|
---|
698 | {0x0098, 9}, // 1472
|
---|
699 | {0x0099, 9}, // 1536
|
---|
700 | {0x009A, 9}, // 1600
|
---|
701 | {0x0018, 6}, // 1664
|
---|
702 | {0x009B, 9}, // 1728
|
---|
703 | };
|
---|
704 | if ( len >= 64 ) {
|
---|
705 | int index = 63 + (len >> 6);
|
---|
706 | writeG3Code( whiteCodes[index].code, whiteCodes[index].bits );
|
---|
707 | len &= 63;
|
---|
708 | }
|
---|
709 | writeG3Code( whiteCodes[len].code, whiteCodes[len].bits );
|
---|
710 | }
|
---|
711 |
|
---|
712 | void QtopiaPrintEnginePrivate::writeG3BlackRun( int len )
|
---|
713 | {
|
---|
714 | static struct {
|
---|
715 | unsigned short code;
|
---|
716 | unsigned short bits;
|
---|
717 | } blackCodes[64 + 27] = {
|
---|
718 | {0x0037, 10}, // 0
|
---|
719 | {0x0002, 3},
|
---|
720 | {0x0003, 2},
|
---|
721 | {0x0002, 2},
|
---|
722 | {0x0003, 3},
|
---|
723 | {0x0003, 4},
|
---|
724 | {0x0002, 4},
|
---|
725 | {0x0003, 5},
|
---|
726 | {0x0005, 6}, // 8
|
---|
727 | {0x0004, 6},
|
---|
728 | {0x0004, 7},
|
---|
729 | {0x0005, 7},
|
---|
730 | {0x0007, 7},
|
---|
731 | {0x0004, 8},
|
---|
732 | {0x0007, 8},
|
---|
733 | {0x0018, 9},
|
---|
734 | {0x0017, 10}, // 16
|
---|
735 | {0x0018, 10},
|
---|
736 | {0x0008, 10},
|
---|
737 | {0x0067, 11},
|
---|
738 | {0x0068, 11},
|
---|
739 | {0x006C, 11},
|
---|
740 | {0x0037, 11},
|
---|
741 | {0x0028, 11},
|
---|
742 | {0x0017, 11}, // 24
|
---|
743 | {0x0018, 11},
|
---|
744 | {0x00CA, 12},
|
---|
745 | {0x00CB, 12},
|
---|
746 | {0x00CC, 12},
|
---|
747 | {0x00CD, 12},
|
---|
748 | {0x0068, 12},
|
---|
749 | {0x0069, 12},
|
---|
750 | {0x006A, 12}, // 32
|
---|
751 | {0x006B, 12},
|
---|
752 | {0x00D2, 12},
|
---|
753 | {0x00D3, 12},
|
---|
754 | {0x00D4, 12},
|
---|
755 | {0x00D5, 12},
|
---|
756 | {0x00D6, 12},
|
---|
757 | {0x00D7, 12},
|
---|
758 | {0x006C, 12}, // 40
|
---|
759 | {0x006D, 12},
|
---|
760 | {0x00DA, 12},
|
---|
761 | {0x00DB, 12},
|
---|
762 | {0x0054, 12},
|
---|
763 | {0x0055, 12},
|
---|
764 | {0x0056, 12},
|
---|
765 | {0x0057, 12},
|
---|
766 | {0x0064, 12}, // 48
|
---|
767 | {0x0065, 12},
|
---|
768 | {0x0052, 12},
|
---|
769 | {0x0053, 12},
|
---|
770 | {0x0024, 12},
|
---|
771 | {0x0037, 12},
|
---|
772 | {0x0038, 12},
|
---|
773 | {0x0027, 12},
|
---|
774 | {0x0028, 12}, // 56
|
---|
775 | {0x0058, 12},
|
---|
776 | {0x0059, 12},
|
---|
777 | {0x002B, 12},
|
---|
778 | {0x002C, 12},
|
---|
779 | {0x005A, 12},
|
---|
780 | {0x0066, 12},
|
---|
781 | {0x0067, 12},
|
---|
782 | {0x000F, 10}, // Make up codes: 64
|
---|
783 | {0x00C8, 12}, // 128
|
---|
784 | {0x00C9, 12}, // 192
|
---|
785 | {0x005B, 12}, // 256
|
---|
786 | {0x0033, 12}, // 320
|
---|
787 | {0x0034, 12}, // 384
|
---|
788 | {0x0035, 12}, // 448
|
---|
789 | {0x006C, 13}, // 512
|
---|
790 | {0x006D, 13}, // 576
|
---|
791 | {0x004A, 13}, // 640
|
---|
792 | {0x004B, 13}, // 704
|
---|
793 | {0x004C, 13}, // 768
|
---|
794 | {0x004D, 13}, // 832
|
---|
795 | {0x0072, 13}, // 896
|
---|
796 | {0x0073, 13}, // 960
|
---|
797 | {0x0074, 13}, // 1024
|
---|
798 | {0x0075, 13}, // 1088
|
---|
799 | {0x0076, 13}, // 1152
|
---|
800 | {0x0077, 13}, // 1216
|
---|
801 | {0x0052, 13}, // 1280
|
---|
802 | {0x0053, 13}, // 1344
|
---|
803 | {0x0054, 13}, // 1408
|
---|
804 | {0x0055, 13}, // 1472
|
---|
805 | {0x005A, 13}, // 1536
|
---|
806 | {0x005B, 13}, // 1600
|
---|
807 | {0x0064, 13}, // 1664
|
---|
808 | {0x0065, 13}, // 1728
|
---|
809 | };
|
---|
810 | if ( len >= 64 ) {
|
---|
811 | int index = 63 + (len >> 6);
|
---|
812 | writeG3Code( blackCodes[index].code, blackCodes[index].bits );
|
---|
813 | len &= 63;
|
---|
814 | }
|
---|
815 | writeG3Code( blackCodes[len].code, blackCodes[len].bits );
|
---|
816 | }
|
---|
817 |
|
---|
818 | void QtopiaPrintEnginePrivate::writeG3EOL()
|
---|
819 | {
|
---|
820 | int bitToPad;
|
---|
821 | if ( partialBits <= 4 ) {
|
---|
822 | bitToPad = 4 - partialBits;
|
---|
823 | } else {
|
---|
824 | bitToPad = 8 - partialBits + 4;
|
---|
825 | }
|
---|
826 |
|
---|
827 | partialByte = ((partialByte << (bitToPad + 12)) | 0x0001);
|
---|
828 | partialBits += bitToPad + 12;
|
---|
829 |
|
---|
830 | while ( partialBits >= 8 ) {
|
---|
831 | partialBits -= 8;
|
---|
832 | buffer.append( (char)(partialByte >> partialBits ) );
|
---|
833 | }
|
---|
834 | // writeG3Code( 0x0001, 12 );
|
---|
835 | }
|
---|
836 |
|
---|
837 | void QtopiaPrintBuffer::append( short value )
|
---|
838 | {
|
---|
839 | if ( _bigEndian ) {
|
---|
840 | _data.append( (char)(value >> 8) );
|
---|
841 | _data.append( (char)value );
|
---|
842 | } else {
|
---|
843 | _data.append( (char)value );
|
---|
844 | _data.append( (char)(value >> 8) );
|
---|
845 | }
|
---|
846 | }
|
---|
847 |
|
---|
848 | void QtopiaPrintBuffer::append( int value )
|
---|
849 | {
|
---|
850 | if ( _bigEndian ) {
|
---|
851 | _data.append( (char)(value >> 24) );
|
---|
852 | _data.append( (char)(value >> 16) );
|
---|
853 | _data.append( (char)(value >> 8) );
|
---|
854 | _data.append( (char)value );
|
---|
855 | } else {
|
---|
856 | _data.append( (char)value );
|
---|
857 | _data.append( (char)(value >> 8) );
|
---|
858 | _data.append( (char)(value >> 16) );
|
---|
859 | _data.append( (char)(value >> 24) );
|
---|
860 | }
|
---|
861 | }
|
---|
862 |
|
---|
863 | void QtopiaPrintBuffer::patch( int posn, int value )
|
---|
864 | {
|
---|
865 | if ( _bigEndian ) {
|
---|
866 | _data[posn] = (char)(value >> 24);
|
---|
867 | _data[posn + 1] = (char)(value >> 16);
|
---|
868 | _data[posn + 2] = (char)(value >> 8);
|
---|
869 | _data[posn + 3] = (char)value;
|
---|
870 | } else {
|
---|
871 | _data[posn] = (char)value;
|
---|
872 | _data[posn + 1] = (char)(value >> 8);
|
---|
873 | _data[posn + 2] = (char)(value >> 16);
|
---|
874 | _data[posn + 3] = (char)(value >> 24);
|
---|
875 | }
|
---|
876 | }
|
---|
877 |
|
---|
878 | void QtopiaPrintBuffer::pad()
|
---|
879 | {
|
---|
880 | while ( ( _data.size() % 4 ) != 0 )
|
---|
881 | _data.append( (char)0 );
|
---|
882 | }
|
---|
883 |
|
---|
884 | QT_END_NAMESPACE
|
---|
885 |
|
---|
886 | #endif // QT_NO_PRINTER
|
---|