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Diffstat (limited to 'kbarcode/textitem.cpp')
| -rw-r--r-- | kbarcode/textitem.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/kbarcode/textitem.cpp b/kbarcode/textitem.cpp new file mode 100644 index 0000000..ab1e4cc --- /dev/null +++ b/kbarcode/textitem.cpp @@ -0,0 +1,252 @@ +/*************************************************************************** + textitem.cpp - description + ------------------- + begin : Do Sep 2 2004 + copyright : (C) 2004 by Dominik Seichter + email : domseichter@web.de + ***************************************************************************/ + +/*************************************************************************** + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + ***************************************************************************/ + +#include "textitem.h" +#include "labelutils.h" +#include "labeleditor.h" +#include "tokenprovider.h" + +// we need sin and cos +#include <math.h> + +#include <qapplication.h> +#include <qdom.h> +#include <qpaintdevicemetrics.h> +#include <qpainter.h> +#include <qpicture.h> +#include <qsimplerichtext.h> + +#include <kapplication.h> +#include <qwmatrix.h> + +TextItem::TextItem() + : DocumentItem() +{ + init(); +} + +void TextItem::init() +{ + m_text = QString::null; + m_rotation = 0.0; + + setBorder( false ); + setRect( QRect( 0, 0, 100, 100 ) ); +} + +void TextItem::draw(QPainter* painter) +{ + bool autosize = false; + const QString t = tokenProvider() ? tokenProvider()->parse( m_text ) : m_text; + + if( t != m_text ) + autosize = true; + + QPaintDeviceMetrics metrics( DocumentItem::paintDevice() ); + + double scalex = (double)metrics.logicalDpiX() / (double)QPaintDevice::x11AppDpiX(); + double scaley = (double)metrics.logicalDpiY() / (double)QPaintDevice::x11AppDpiY(); + + QColorGroup cg; + QSimpleRichText srt( t, painter->font() ); + + /* + int width = (rect().width() < (int)((double)srt.widthUsed()*scalex) && autosize) ? srt.widthUsed() : rect().width(); + int height = (rect().height() < (int)((double)srt.height()*scaley) && autosize) ? srt.height() : rect().height(); + */ + + int width = (int)((double)rect().width() / scalex); + int height = (int)((double)rect().height() / scaley); + + painter->save(); + + int w = rect().width(); + int h = rect().height(); + + switch( (int)m_rotation ) + { + default: + case 0: + painter->translate( rect().x(), rect().y() ); + break; + case 90: + painter->translate( rect().x() + w, rect().y() ); + qSwap( w, h ); + break; + case 180: + painter->translate( rect().x() + w, rect().y() + h ); + break; + case 270: + painter->translate( rect().x(), rect().y() + h ); + qSwap( w, h ); + break; + }; + + painter->rotate( m_rotation ); + + if( !TextItem::IsQtTextRenderingBroken() ) + { + painter->setPen( Qt::black ); + srt.setWidth( painter, w ); + srt.draw( painter, 0, 0, QRect( 0, 0, w, h ), cg ); + } + else + { + QRect r( 0, 0, width, height ); + QPicture picture; + QPainter p( &picture ); + LabelUtils::renderString( &p, t, r, scalex, scaley ); + p.end(); + painter->drawPicture( 0, 0, picture ); + } + + painter->restore(); + + DocumentItem::drawBorder( painter ); +} + +void TextItem::drawZpl( QTextStream* stream ) +{ + // simply remove all html tags.... + QString data = m_text.replace( QRegExp("<[^>]*>"), "" ); + *stream << ZPLUtils::fieldOrigin( rect().x(), rect().y() ); + *stream << ZPLUtils::font( QFont() ); // todo: select a valid font +} + +void TextItem::drawIpl( QTextStream* stream, IPLUtils* utils ) +{ + int counter = utils->counter(); + + // simply remove all html tags.... + QString data = m_text.replace( QRegExp("<[^>]*>"), "" ); + + QString s = QString("H%1;").arg( counter ); // field number + + s += utils->fieldOrigin( rect().x(), rect().y() ); + + s += QString("c%1;").arg( 2 ); // font + s += QString("h%1;").arg( 2 ); // vertical magnification ("height") + s += QString("w%1;").arg( 2 ); // horicontyl magnification ("width") + s += QString("d0,%1;").arg( data.length() ); // max length of data ! + + *stream << utils->field( s ); + utils->addValue( data ); +} + +void TextItem::drawEPcl( QTextStream* stream ) +{ + // TODO: parse text field HTML + + // Need to wrap string if too long... + // + + // break string into lines + QString t = m_text.replace( QRegExp("<[^>]*>"), "" ); + // @DOM: + // TODO: + // provide an API which simplifies wordwrapping for + // barcode printers + + QStringList lines = QStringList::split( "\n", t ); + + QStringList::Iterator line = lines.begin(); + for( int i=0; line != lines.end(); ++line, ++i ){ + QString s = QString("T %1").arg( rect().x() + 1 ); + s += QString(" %1 0 0 0 50 1").arg( rect().y()+50+1 + i*52 ); + s += QString(" %1").arg( *line ); + *stream << EPCLUtils::field( s ); + } +} + +void TextItem::loadXML (QDomElement* element) +{ + QDomNode n = element->firstChild(); + while( !n.isNull() ) { + QDomElement e = n.toElement(); // try to convert the node to an element. + if( !e.isNull() ) + if( e.tagName() == "text" ) + { + setText( e.text() ); + break; + } + n = n.nextSibling(); + } + + m_rotation = element->attribute("rotation", "0.0").toDouble(); + DocumentItem::loadXML( element ); +} + +void TextItem::saveXML (QDomElement* element) +{ + QDomElement texttag = element->ownerDocument().createElement( "text" ); + texttag.appendChild( element->ownerDocument().createTextNode( text() ) ); + element->appendChild( texttag ); + element->setAttribute( "rotation", m_rotation ); + + DocumentItem::saveXML( element ); +} + +QString TextItem::text () const +{ + return m_text; +} + +void TextItem::setText (const QString & text) +{ + m_text = text; +} + +bool TextItem::s_qt_broken_init = false; +bool TextItem::s_qt_broken = false; + +bool TextItem::IsQtTextRenderingBroken() +{ + if( !s_qt_broken_init ) + { + QString version( qVersion() ); +// qDebug( "Detected Qt Version: %s", version.latin1() ); + int major = version.section( ".", 0, 0 ).toInt(); + int minor = version.section( ".", 1, 1 ).toInt(); + int bugfix = version.section( ".", 2, 2 ).toInt(); + + if( major >= 3 ) + { + if( major == 3 && minor < 3 ) + s_qt_broken = true; + else if( major == 3 && minor == 3 ) + { + if( bugfix < 2 ) + s_qt_broken = true; + else + s_qt_broken = false; + } + else + s_qt_broken = false; + } + else + s_qt_broken = true; + + if( s_qt_broken ) + qDebug("Qt's text redering is broken - using KBarcode fix."); + + s_qt_broken_init = true; + return s_qt_broken; + } + else + return s_qt_broken; +} + |