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773 lines
24 KiB
773 lines
24 KiB
/* -*- Mode: C++ -*-
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$Id$
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KDGantt - a multi-platform charting engine
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*/
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/****************************************************************************
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** Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KDGantt library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KDGantt licenses may use this file in
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** accordance with the KDGantt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
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** information about KDGantt Commercial License Agreements.
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**
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** Contact info@klaralvdalens-datakonsult.se if any conditions of this
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** licensing are not clear to you.
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**
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** As a special exception, permission is given to link this program
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** with any edition of Qt, and distribute the resulting executable,
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** without including the source code for Qt in the source distribution.
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**
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**********************************************************************/
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#include "KDGanttXMLTools.h"
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#include <qbrush.h>
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#include <qbuffer.h>
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#include <qimage.h>
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#include <zlib.h>
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namespace KDGanttXML {
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void createBoolNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, bool value )
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{
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QDomElement newElement =
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doc.createElement( elementName );
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parent.appendChild( newElement );
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QDomText elementContent =
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doc.createTextNode( value ? "true" : "false" );
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newElement.appendChild( elementContent );
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}
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void createSizeNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QSize& value )
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{
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QDomElement newElement =
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doc.createElement( elementName );
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parent.appendChild( newElement );
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newElement.setAttribute( "Width", value.width() );
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newElement.setAttribute( "Height", value.height() );
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}
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void createIntNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, int value )
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{
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QDomElement newElement =
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doc.createElement( elementName );
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parent.appendChild( newElement );
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QDomText elementContent =
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doc.createTextNode( QString::number( value ) );
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newElement.appendChild( elementContent );
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}
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void createDoubleNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, double value )
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{
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QDomElement newElement =
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doc.createElement( elementName );
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parent.appendChild( newElement );
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QDomText elementContent =
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doc.createTextNode( QString::number( value ) );
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newElement.appendChild( elementContent );
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}
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void createStringNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName,
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const QString& text )
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{
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QDomElement newElement =
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doc.createElement( elementName );
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parent.appendChild( newElement );
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QDomText elementContent =
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doc.createTextNode( text );
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newElement.appendChild( elementContent );
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}
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void createColorNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QColor& color )
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{
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QDomElement colorElement = doc.createElement( elementName );
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parent.appendChild( colorElement );
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colorElement.setAttribute( "Red",
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QString::number( color.red() ) );
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colorElement.setAttribute( "Green",
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QString::number( color.green() ) );
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colorElement.setAttribute( "Blue",
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QString::number( color.blue() ) );
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}
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void createBrushNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QBrush& brush )
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{
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QDomElement brushElement = doc.createElement( elementName );
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parent.appendChild( brushElement );
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createColorNode( doc, brushElement, "Color", brush.color() );
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createStringNode( doc, brushElement, "Style",
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KDGanttXML::brushStyleToString( brush.style() ) );
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if( brush.style() == Qt::CustomPattern && brush.pixmap() )
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createPixmapNode( doc, brushElement, "Pixmap", *brush.pixmap() );
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}
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void createPixmapNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QPixmap& pixmap )
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{
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QDomElement pixmapElement = doc.createElement( elementName );
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parent.appendChild( pixmapElement );
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// Convert the pixmap to an image, save that image to an in-memory
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// XPM representation and compress this representation. This
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// conforms to the file format Qt Designer uses.
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QByteArray ba;
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QBuffer buffer( ba );
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buffer.open( IO_WriteOnly );
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QImageIO imgio( &buffer, "XPM" );
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QImage image = pixmap.convertToImage();
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imgio.setImage( image );
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imgio.write();
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buffer.close();
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ulong len = ba.size() * 2;
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QByteArray bazip( len );
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::compress( (uchar*) bazip.data(), &len, (uchar*) ba.data(), ba.size() );
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QString dataString;
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static const char hexchars[] = "0123456789abcdef";
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for ( int i = 0; i < (int)len; ++i ) {
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uchar c = (uchar) bazip[i];
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dataString += hexchars[c >> 4];
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dataString += hexchars[c & 0x0f];
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}
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createStringNode( doc, pixmapElement, "Format", "XPM.GZ" );
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createIntNode( doc, pixmapElement, "Length", ba.size() );
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createStringNode( doc, pixmapElement, "Data", dataString );
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}
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void createRectNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QRect& rect )
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{
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QDomElement rectElement = doc.createElement( elementName );
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parent.appendChild( rectElement );
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QDomElement xElement = doc.createElement( "X" );
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rectElement.appendChild( xElement );
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QDomText xContent = doc.createTextNode( QString::number( rect.x() ) );
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xElement.appendChild( xContent );
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QDomElement yElement = doc.createElement( "Y" );
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rectElement.appendChild( yElement );
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QDomText yContent = doc.createTextNode( QString::number( rect.y() ) );
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yElement.appendChild( yContent );
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QDomElement widthElement = doc.createElement( "Width" );
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rectElement.appendChild( widthElement );
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QDomText widthContent = doc.createTextNode( QString::number( rect.width() ) );
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widthElement.appendChild( widthContent );
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QDomElement heightElement = doc.createElement( "Height" );
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rectElement.appendChild( heightElement );
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QDomText heightContent = doc.createTextNode( QString::number( rect.height() ) );
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heightElement.appendChild( heightContent );
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}
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void createStringListNodes( QDomDocument& doc, QDomNode& parent,
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const QString& elementName,
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const QStringList* list )
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{
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if( !list )
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return;
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for( QStringList::ConstIterator it = list->begin();
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it != list->end(); ++it ) {
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QDomElement element = doc.createElement( elementName );
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parent.appendChild( element );
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QDomText elementContent = doc.createTextNode( *it );
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element.appendChild( elementContent );
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}
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}
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void createFontNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QFont& font )
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{
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QDomElement fontElement = doc.createElement( elementName );
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parent.appendChild( fontElement );
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createStringNode( doc, fontElement, "Family", font.family() );
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createIntNode( doc, fontElement, "PointSize", font.pointSize() );
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createIntNode( doc, fontElement, "PixelSize", font.pixelSize() );
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createIntNode( doc, fontElement, "Weight", font.weight() );
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createBoolNode( doc, fontElement, "Italic", font.italic() );
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#if QT_VERSION < 300
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// Qt 3 handles the charset internally.
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createIntNode( doc, fontElement, "CharSet", font.charSet() );
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#endif
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}
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void createPenNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QPen& pen )
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{
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QDomElement penElement = doc.createElement( elementName );
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parent.appendChild( penElement );
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createIntNode( doc, penElement, "Width", pen.width() );
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createColorNode( doc, penElement, "Color", pen.color() );
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createStringNode( doc, penElement, "Style", penStyleToString( pen.style() ) );
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}
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void createDateTimeNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName,
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const QDateTime& datetime )
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{
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QDomElement dateTimeElement = doc.createElement( elementName );
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parent.appendChild( dateTimeElement );
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createDateNode( doc, dateTimeElement, "Date", datetime.date() );
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createTimeNode( doc, dateTimeElement, "Time", datetime.time() );
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}
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void createDateNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QDate& date )
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{
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QDomElement dateElement = doc.createElement( elementName );
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parent.appendChild( dateElement );
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dateElement.setAttribute( "Year", QString::number( date.year() ) );
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dateElement.setAttribute( "Month", QString::number( date.month() ) );
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dateElement.setAttribute( "Day", QString::number( date.day() ) );
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}
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void createTimeNode( QDomDocument& doc, QDomNode& parent,
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const QString& elementName, const QTime& time )
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{
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QDomElement timeElement = doc.createElement( elementName );
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parent.appendChild( timeElement );
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timeElement.setAttribute( "Hour",
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QString::number( time.hour() ) );
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timeElement.setAttribute( "Minute",
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QString::number( time.minute() ) );
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timeElement.setAttribute( "Second",
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QString::number( time.second() ) );
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timeElement.setAttribute( "Millisecond",
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QString::number( time.msec() ) );
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}
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QString penStyleToString( Qt::PenStyle style )
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{
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switch( style ) {
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case Qt::NoPen:
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return "NoPen";
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case Qt::SolidLine:
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return "SolidLine";
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case Qt::DashLine:
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return "DashLine";
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case Qt::DotLine:
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return "DotLine";
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case Qt::DashDotLine:
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return "DashDotLine";
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case Qt::DashDotDotLine:
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return "DashDotDotLine";
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default: // should not happen
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return "SolidLine";
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}
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}
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QString brushStyleToString( Qt::BrushStyle style )
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{
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// PENDING(kalle) Support custom patterns
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switch( style ) {
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case Qt::NoBrush:
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return "NoBrush";
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case Qt::SolidPattern:
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return "SolidPattern";
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case Qt::Dense1Pattern:
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return "Dense1Pattern";
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case Qt::Dense2Pattern:
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return "Dense2Pattern";
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case Qt::Dense3Pattern:
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return "Dense3Pattern";
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case Qt::Dense4Pattern:
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return "Dense4Pattern";
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case Qt::Dense5Pattern:
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return "Dense5Pattern";
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case Qt::Dense6Pattern:
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return "Dense6Pattern";
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case Qt::Dense7Pattern:
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return "Dense7Pattern";
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case Qt::HorPattern:
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return "HorPattern";
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case Qt::VerPattern:
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return "VerPattern";
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case Qt::CrossPattern:
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return "CrossPattern";
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case Qt::BDiagPattern:
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return "BDiagPattern";
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case Qt::FDiagPattern:
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return "FDiagPattern";
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case Qt::DiagCrossPattern:
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return "DiagCrossPattern";
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default: // should not happen (but can for a custom pattern)
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return "SolidPattern";
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}
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}
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bool readStringNode( const QDomElement& element, QString& value )
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{
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value = element.text();
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return true;
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}
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bool readIntNode( const QDomElement& element, int& value )
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{
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bool ok = false;
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int temp = element.text().toInt( &ok );
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if( ok )
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value = temp;
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return ok;
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}
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bool readDoubleNode( const QDomElement& element, double& value )
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{
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bool ok = false;
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double temp = element.text().toDouble( &ok );
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if( ok )
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value = temp;
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return ok;
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}
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bool readBoolNode( const QDomElement& element, bool& value )
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{
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if( element.text() == "true" ) {
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value = true;
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return true;
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} else if( element.text() == "false" ) {
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value = false;
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return true;
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} else
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return false;
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}
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bool readColorNode( const QDomElement& element, QColor& value )
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{
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bool ok = true;
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int red, green, blue;
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if( element.hasAttribute( "Red" ) ) {
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bool redOk = false;
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red = element.attribute( "Red" ).toInt( &redOk );
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ok = ok & redOk;
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}
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if( element.hasAttribute( "Green" ) ) {
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bool greenOk = false;
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green = element.attribute( "Green" ).toInt( &greenOk );
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ok = ok & greenOk;
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}
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if( element.hasAttribute( "Blue" ) ) {
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bool blueOk = false;
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blue = element.attribute( "Blue" ).toInt( &blueOk );
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ok = ok & blueOk;
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}
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if( ok )
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value.setRgb( red, green, blue );
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return ok;
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}
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bool readBrushNode( const QDomElement& element, QBrush& brush )
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{
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bool ok = true;
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QColor tempColor;
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Qt::BrushStyle tempStyle;
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QPixmap tempPixmap;
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QDomNode node = element.firstChild();
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while( !node.isNull() ) {
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QDomElement element = node.toElement();
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if( !element.isNull() ) { // was really an element
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QString tagName = element.tagName();
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if( tagName == "Color" ) {
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ok = ok & readColorNode( element, tempColor );
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} else if( tagName == "Style" ) {
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QString value;
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ok = ok & readStringNode( element, value );
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tempStyle = stringToBrushStyle( value );
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} else if( tagName == "Pixmap" ) {
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ok = ok & readPixmapNode( element, tempPixmap );
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} else {
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qDebug( "Unknown tag in brush" );
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}
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}
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node = node.nextSibling();
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}
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if( ok ) {
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brush.setColor( tempColor );
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brush.setStyle( tempStyle );
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if( !tempPixmap.isNull() )
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brush.setPixmap( tempPixmap );
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}
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return ok;
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}
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bool readPixmapNode( const QDomElement& element, QPixmap& pixmap )
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{
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bool ok = true;
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int tempLengthi;
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QString tempData;
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QDomNode node = element.firstChild();
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while( !node.isNull() ) {
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QDomElement element = node.toElement();
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if( !element.isNull() ) { // was really an element
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QString tagName = element.tagName();
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if( tagName == "Format" ) {
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QString formatName;
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ok = ok & readStringNode( element, formatName );
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#ifndef NDEBUG
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if( formatName != "XPM.GZ" )
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qDebug( "Unsupported pixmap format in XML file" );
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#endif
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} else if( tagName == "Length" ) {
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ok = ok & readIntNode( element, tempLengthi );
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} else if( tagName == "Data" ) {
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ok = ok & readStringNode( element, tempData );
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} else {
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qDebug( "Unknown tag in Pixmap" );
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}
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}
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node = node.nextSibling();
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}
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if( ok ) {
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if( 0 < tempLengthi ) {
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// Decode the image file format in the same way Qt Designer does.
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char *ba = new char[ tempData.length() / 2 ];
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for ( int i = 0; i < (int)tempData.length() / 2; ++i ) {
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char h = tempData[ 2 * i ].latin1();
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char l = tempData[ 2 * i + 1 ].latin1();
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uchar r = 0;
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if ( h <= '9' )
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r += h - '0';
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else
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r += h - 'a' + 10;
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r = r << 4;
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if ( l <= '9' )
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r += l - '0';
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else
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r += l - 'a' + 10;
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ba[ i ] = r;
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}
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if( tempLengthi < (int)tempData.length() * 5 )
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tempLengthi = tempData.length() * 5;
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unsigned long tempLength = tempLengthi;
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QByteArray baunzip( tempLength );
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::uncompress( (uchar*) baunzip.data(), &tempLength,
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(uchar*) ba, tempData.length()/2 );
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QImage image;
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image.loadFromData( (const uchar*)baunzip.data(), tempLength, "XPM" );
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if( image.isNull() )
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pixmap.resize( 0, 0 ); // This is _not_ an error, we just read a NULL pixmap!
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else
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ok = ok & pixmap.convertFromImage( image, 0 );
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} else
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pixmap.resize( 0, 0 ); // This is _not_ an error, we just read a empty pixmap!
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}
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return ok;
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}
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bool readPenNode( const QDomElement& element, QPen& pen )
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{
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bool ok = true;
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int tempWidth;
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QColor tempColor;
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Qt::PenStyle tempStyle;
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QDomNode node = element.firstChild();
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while( !node.isNull() ) {
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QDomElement element = node.toElement();
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if( !element.isNull() ) { // was really an element
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QString tagName = element.tagName();
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if( tagName == "Width" ) {
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ok = ok & readIntNode( element, tempWidth );
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} else if( tagName == "Color" ) {
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ok = ok & readColorNode( element, tempColor );
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} else if( tagName == "Style" ) {
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QString value;
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ok = ok & readStringNode( element, value );
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tempStyle = stringToPenStyle( value );
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} else {
|
|
qDebug( "Unknown tag in brush" );
|
|
}
|
|
}
|
|
node = node.nextSibling();
|
|
}
|
|
|
|
if( ok ) {
|
|
pen.setWidth( tempWidth );
|
|
pen.setColor( tempColor );
|
|
pen.setStyle( tempStyle );
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
bool readFontNode( const QDomElement& element, QFont& font )
|
|
{
|
|
bool ok = true;
|
|
QString family;
|
|
int pointSize, pixelSize, weight;
|
|
bool italic;
|
|
int charSet;
|
|
QDomNode node = element.firstChild();
|
|
while( !node.isNull() ) {
|
|
QDomElement element = node.toElement();
|
|
if( !element.isNull() ) { // was really an element
|
|
QString tagName = element.tagName();
|
|
if( tagName == "Family" ) {
|
|
ok = ok & readStringNode( element, family );
|
|
} else if( tagName == "PointSize" ) {
|
|
ok = ok & readIntNode( element, pointSize );
|
|
} else if( tagName == "PixelSize" ) {
|
|
ok = ok & readIntNode( element, pixelSize );
|
|
} else if( tagName == "Weight" ) {
|
|
ok = ok & readIntNode( element, weight );
|
|
} else if( tagName == "Italic" ) {
|
|
ok = ok & readBoolNode( element, italic );
|
|
} else if( tagName == "CharSet" ) {
|
|
ok = ok & readIntNode( element, charSet );
|
|
} else {
|
|
qDebug( "Unknown tag in color map" );
|
|
}
|
|
}
|
|
node = node.nextSibling();
|
|
}
|
|
|
|
if( ok ) {
|
|
font.setFamily( family );
|
|
if ( pointSize > 0 ) font.setPointSize( pointSize );
|
|
if ( pixelSize > 0 ) font.setPixelSize( pixelSize );
|
|
font.setWeight( weight );
|
|
font.setItalic( italic );
|
|
#if QT_VERSION < 300
|
|
// Qt 3 handles charsets internally.
|
|
font.setCharSet( (QFont::CharSet)charSet );
|
|
#endif
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
bool readRectNode( const QDomElement& element, QRect& value )
|
|
{
|
|
bool ok = true;
|
|
int width, height, x, y;
|
|
QDomNode node = element.firstChild();
|
|
while( !node.isNull() ) {
|
|
QDomElement element = node.toElement();
|
|
if( !element.isNull() ) { // was really an element
|
|
QString tagName = element.tagName();
|
|
if( tagName == "Width" ) {
|
|
ok = ok & readIntNode( element, width );
|
|
} else if( tagName == "Height" ) {
|
|
ok = ok & readIntNode( element, height );
|
|
} else if( tagName == "X" ) {
|
|
ok = ok & readIntNode( element, x );
|
|
} else if( tagName == "Y" ) {
|
|
ok = ok & readIntNode( element, y );
|
|
} else {
|
|
qDebug( "Unknown tag in rect" );
|
|
}
|
|
}
|
|
node = node.nextSibling();
|
|
}
|
|
|
|
if( ok ) {
|
|
value.setX( x );
|
|
value.setY( y );
|
|
value.setWidth( width );
|
|
value.setHeight( height );
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
|
|
bool readDateTimeNode( const QDomElement& element, QDateTime& datetime )
|
|
{
|
|
bool ok = true;
|
|
QDate tempDate;
|
|
QTime tempTime;
|
|
QDomNode node = element.firstChild();
|
|
while( !node.isNull() ) {
|
|
QDomElement element = node.toElement();
|
|
if( !element.isNull() ) { // was really an element
|
|
QString tagName = element.tagName();
|
|
if( tagName == "Date" ) {
|
|
ok = ok & readDateNode( element, tempDate );
|
|
} else if( tagName == "Time" ) {
|
|
ok = ok & readTimeNode( element, tempTime );
|
|
} else {
|
|
qDebug( "Unknown tag in datetime" );
|
|
}
|
|
}
|
|
node = node.nextSibling();
|
|
}
|
|
|
|
if( ok ) {
|
|
datetime.setDate( tempDate );
|
|
datetime.setTime( tempTime );
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
bool readDateNode( const QDomElement& element, QDate& value )
|
|
{
|
|
bool ok = true;
|
|
int year, month, day;
|
|
if( element.hasAttribute( "Year" ) ) {
|
|
bool yearOk = false;
|
|
year = element.attribute( "Year" ).toInt( &yearOk );
|
|
ok = ok & yearOk;
|
|
}
|
|
if( element.hasAttribute( "Month" ) ) {
|
|
bool monthOk = false;
|
|
month = element.attribute( "Month" ).toInt( &monthOk );
|
|
ok = ok & monthOk;
|
|
}
|
|
if( element.hasAttribute( "Day" ) ) {
|
|
bool dayOk = false;
|
|
day = element.attribute( "Day" ).toInt( &dayOk );
|
|
ok = ok & dayOk;
|
|
}
|
|
|
|
if( ok )
|
|
value.setYMD( year, month, day );
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
|
|
bool readTimeNode( const QDomElement& element, QTime& value )
|
|
{
|
|
bool ok = true;
|
|
int hour, minute, second, msec;
|
|
if( element.hasAttribute( "Hour" ) ) {
|
|
bool hourOk = false;
|
|
hour = element.attribute( "Hour" ).toInt( &hourOk );
|
|
ok = ok & hourOk;
|
|
}
|
|
if( element.hasAttribute( "Minute" ) ) {
|
|
bool minuteOk = false;
|
|
minute = element.attribute( "Minute" ).toInt( &minuteOk );
|
|
ok = ok & minuteOk;
|
|
}
|
|
if( element.hasAttribute( "Second" ) ) {
|
|
bool secondOk = false;
|
|
second = element.attribute( "Second" ).toInt( &secondOk );
|
|
ok = ok & secondOk;
|
|
}
|
|
if( element.hasAttribute( "Millisecond" ) ) {
|
|
bool msecOk = false;
|
|
msec = element.attribute( "Millisecond" ).toInt( &msecOk );
|
|
ok = ok & msecOk;
|
|
}
|
|
|
|
if( ok )
|
|
value.setHMS( hour, minute, second, msec );
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
|
|
Qt::PenStyle stringToPenStyle( const QString& style )
|
|
{
|
|
if( style == "NoPen" )
|
|
return Qt::NoPen;
|
|
else if( style == "SolidLine" )
|
|
return Qt::SolidLine;
|
|
else if( style == "DashLine" )
|
|
return Qt::DashLine;
|
|
else if( style == "DotLine" )
|
|
return Qt::DotLine;
|
|
else if( style == "DashDotLine" )
|
|
return Qt::DashDotLine;
|
|
else if( style == "DashDotDotLine" )
|
|
return Qt::DashDotDotLine;
|
|
else // should not happen
|
|
return Qt::SolidLine;
|
|
}
|
|
|
|
|
|
Qt::BrushStyle stringToBrushStyle( const QString& style )
|
|
{
|
|
// PENDING(kalle) Support custom patterns
|
|
if( style == "NoBrush" )
|
|
return Qt::NoBrush;
|
|
else if( style == "SolidPattern" )
|
|
return Qt::SolidPattern;
|
|
else if( style == "Dense1Pattern" )
|
|
return Qt::Dense1Pattern;
|
|
else if( style == "Dense2Pattern" )
|
|
return Qt::Dense2Pattern;
|
|
else if( style == "Dense3Pattern" )
|
|
return Qt::Dense3Pattern;
|
|
else if( style == "Dense4Pattern" )
|
|
return Qt::Dense4Pattern;
|
|
else if( style == "Dense5Pattern" )
|
|
return Qt::Dense5Pattern;
|
|
else if( style == "Dense6Pattern" )
|
|
return Qt::Dense6Pattern;
|
|
else if( style == "Dense7Pattern" )
|
|
return Qt::Dense7Pattern;
|
|
else if( style == "HorPattern" )
|
|
return Qt::HorPattern;
|
|
else if( style == "VerPattern" )
|
|
return Qt::VerPattern;
|
|
else if( style == "CrossPattern" )
|
|
return Qt::CrossPattern;
|
|
else if( style == "BDiagPattern" )
|
|
return Qt::BDiagPattern;
|
|
else if( style == "FDiagPattern" )
|
|
return Qt::FDiagPattern;
|
|
else if( style == "DiagCrossPattern" )
|
|
return Qt::DiagCrossPattern;
|
|
else // should not happen (but can with custom patterns)
|
|
return Qt::SolidPattern;
|
|
}
|
|
|
|
}
|