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Diffstat (limited to 'karbon/shapes/vrectangle.cc')
| -rw-r--r-- | karbon/shapes/vrectangle.cc | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/karbon/shapes/vrectangle.cc b/karbon/shapes/vrectangle.cc new file mode 100644 index 00000000..966c2bb2 --- /dev/null +++ b/karbon/shapes/vrectangle.cc @@ -0,0 +1,229 @@ +/* This file is part of the KDE project + Copyright (C) 2001, 2002, 2003 The Karbon Developers + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + + +#include "vrectangle.h" +#include <klocale.h> +#include <KoUnit.h> +#include <KoStore.h> +#include <KoXmlWriter.h> +#include <KoXmlNS.h> +#include <qdom.h> +#include <kdebug.h> +#include "vglobal.h" +#include <vdocument.h> +#include "vtransformcmd.h" + +VRectangle::VRectangle( VObject* parent, VState state ) + : VPath( parent, state ) +{ +} + +VRectangle::VRectangle( VObject* parent, + const KoPoint& topLeft, double width, double height, double rx, double ry ) + : VPath( parent ), m_topLeft( topLeft ), m_width( width), m_height( height ), m_rx( rx ), m_ry( ry ) +{ + setDrawCenterNode(); + + if( m_rx < 0.0 ) m_rx = 0.0; + if( m_ry < 0.0 ) m_ry = 0.0; + // Catch case, when radius is larger than width or height: + if( m_rx > m_width * 0.5 ) + m_rx = m_width * 0.5; + if( m_ry > m_height * 0.5 ) + m_ry = m_height * 0.5; + + init(); +} + +void +VRectangle::init() +{ + if( m_rx == 0 && m_ry == 0 ) + { + moveTo( m_topLeft ); + lineTo( KoPoint( m_topLeft.x(), m_topLeft.y() - m_height ) ); + lineTo( KoPoint( m_topLeft.x() + m_width, m_topLeft.y() - m_height ) ); + lineTo( KoPoint( m_topLeft.x() + m_width, m_topLeft.y() ) ); + } + else + { + double rx = m_rx; + double ry = m_ry; + double x = m_topLeft.x(); + double y = m_topLeft.y(); + moveTo( KoPoint( x + rx, y ) ); + curveTo( KoPoint( x + rx * ( 1 - 0.552 ), y ), + KoPoint( x, y - ry * ( 1 - 0.552 ) ), + KoPoint( x, y - ry ) ); + if( ry < m_height / 2 ) + lineTo( KoPoint( x, y - m_height + ry ) ); + curveTo( KoPoint( x, y - m_height + ry * ( 1 - 0.552 ) ), + KoPoint( x + rx * ( 1 - 0.552 ), y - m_height ), + KoPoint( x + rx, y - m_height ) ); + if( rx < m_width / 2 ) + lineTo( KoPoint( x + m_width - rx, y - m_height ) ); + curveTo( KoPoint( x + m_width - rx * ( 1 - 0.552 ), y - m_height ), + KoPoint( x + m_width, y - m_height + ry * ( 1 - 0.552 ) ), + KoPoint( x + m_width, y - m_height + ry ) ); + if( ry < m_height / 2 ) + lineTo( KoPoint( x + m_width, y - ry ) ); + curveTo( KoPoint( x + m_width, y - ry * ( 1 - 0.552 ) ), + KoPoint( x + m_width - rx * ( 1 - 0.552 ), y ), + KoPoint( x + m_width - rx, y ) ); + if( rx < m_width / 2 ) + lineTo( KoPoint( x + rx, y ) ); + } + close(); +} + +QString +VRectangle::name() const +{ + QString result = VObject::name(); + return !result.isEmpty() ? result : i18n( "Rectangle" ); +} + +void +VRectangle::save( QDomElement& element ) const +{ + VDocument *doc = document(); + if( doc && doc->saveAsPath() ) + { + VPath::save( element ); + return; + } + + if( state() != deleted ) + { + QDomElement me = element.ownerDocument().createElement( "RECT" ); + element.appendChild( me ); + + // save fill/stroke untransformed + VPath path( *this ); + VTransformCmd cmd( 0L, m_matrix.invert() ); + cmd.visit( path ); + path.VObject::save( me ); + //VObject::save( me ); + + me.setAttribute( "x", m_topLeft.x() ); + me.setAttribute( "y", m_topLeft.y() ); + + me.setAttribute( "width", QString("%1pt").arg( m_width ) ); + me.setAttribute( "height", QString("%1pt").arg( m_height ) ); + + me.setAttribute( "rx", m_rx ); + me.setAttribute( "ry", m_ry ); + + QString transform = buildSvgTransform(); + if( !transform.isEmpty() ) + me.setAttribute( "transform", transform ); + } +} + +void +VRectangle::saveOasis( KoStore *store, KoXmlWriter *docWriter, KoGenStyles &mainStyles, int &index ) const +{ + // do not save deleted objects + if( state() == deleted ) + return; + + // different rx/ry is not supported by oasis, so act like it is a normal path + if( m_rx != 0. && m_ry != 0. && m_rx != m_ry ) + return VPath::saveOasis( store, docWriter, mainStyles, index ); + + docWriter->startElement( "draw:rect" ); + + //save all into pt + docWriter->addAttributePt( "svg:x", m_topLeft.x() ); + docWriter->addAttributePt( "svg:y", m_topLeft.y()-m_height ); + docWriter->addAttributePt( "svg:width", m_width ); + docWriter->addAttributePt( "svg:height", m_height ); + + if( m_rx != 0. && m_ry != 0. && m_rx == m_ry ) + docWriter->addAttributePt( "draw:corner-radius", m_rx ); + + VObject::saveOasis( store, docWriter, mainStyles, index ); + + QWMatrix tmpMat; + tmpMat.scale( 1, -1 ); + tmpMat.translate( 0, -document()->height() ); + + QString transform = buildOasisTransform( m_matrix*tmpMat ); + if( !transform.isEmpty() ) + docWriter->addAttribute( "draw:transform", transform ); + + docWriter->endElement(); +} + +bool +VRectangle::loadOasis( const QDomElement &element, KoOasisLoadingContext &context ) +{ + setState( normal ); + + m_width = KoUnit::parseValue( element.attributeNS( KoXmlNS::svg, "width", QString::null ), 10.0 ); + m_height = KoUnit::parseValue( element.attributeNS( KoXmlNS::svg, "height", QString::null ), 10.0 ); + + m_topLeft.setX( KoUnit::parseValue( element.attributeNS( KoXmlNS::svg, "x", QString::null ) ) ); + m_topLeft.setY( m_height + KoUnit::parseValue( element.attributeNS( KoXmlNS::svg, "y", QString::null ) ) ); + + m_rx = m_ry = KoUnit::parseValue( element.attributeNS( KoXmlNS::draw, "corner-radius", QString::null ) ); + + init(); + + transformByViewbox( element, element.attributeNS( KoXmlNS::svg, "viewBox", QString::null ) ); + + QString trafo = element.attributeNS( KoXmlNS::draw, "transform", QString::null ); + if( !trafo.isEmpty() ) + transformOasis( trafo ); + + return VObject::loadOasis( element, context ); +} + +void +VRectangle::load( const QDomElement& element ) +{ + setState( normal ); + + QDomNodeList list = element.childNodes(); + for( uint i = 0; i < list.count(); ++i ) + if( list.item( i ).isElement() ) + VObject::load( list.item( i ).toElement() ); + + m_width = KoUnit::parseValue( element.attribute( "width" ), 10.0 ); + m_height = KoUnit::parseValue( element.attribute( "height" ), 10.0 ); + + m_topLeft.setX( KoUnit::parseValue( element.attribute( "x" ) ) ); + m_topLeft.setY( KoUnit::parseValue( element.attribute( "y" ) ) ); + + m_rx = KoUnit::parseValue( element.attribute( "rx" ) ); + m_ry = KoUnit::parseValue( element.attribute( "ry" ) ); + + init(); + + QString trafo = element.attribute( "transform" ); + if( !trafo.isEmpty() ) + transform( trafo ); +} + +VPath* +VRectangle::clone() const +{ + return new VRectangle( *this ); +} |