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151 lines
4.1 KiB
151 lines
4.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2002, The Karbon Developers
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "vshadowdecorator.h"
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#include <core/vfill.h>
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#include <core/vstroke.h>
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#include <render/vpainter.h>
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#include <core/vvisitor.h>
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#include <core/vdocument.h>
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#include <core/vselection.h>
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#include <commands/vtransformcmd.h>
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VShadowDecorator::VShadowDecorator( VObject *object, VObject* parent, int distance, int angle, float opacity )
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: VObject( parent ), m_object( object ), m_distance( distance ), m_angle( angle ), m_opacity( opacity )
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{
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}
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VShadowDecorator::VShadowDecorator( const VShadowDecorator& other ) : VObject( other )
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{
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m_object = other.m_object->clone();
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m_opacity = other.m_opacity;
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m_distance = other.m_distance;
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m_angle = other.m_angle;
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}
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VShadowDecorator::~VShadowDecorator()
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{
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delete m_object;
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}
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void
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VShadowDecorator::draw( VPainter* painter, const KoRect* rect ) const
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{
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if( state() == deleted ||
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state() == hidden ||
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state() == hidden_locked )
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{
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return;
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}
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// make sure swallowed object has the same state
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m_object->setState( state() );
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if( state() != VObject::edit )
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{
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int shadowDx = int( m_distance * cos( m_angle / 360. * 6.2832 ) );
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int shadowDy = int( m_distance * sin( m_angle / 360. * 6.2832 ) );
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VFill *fill = new VFill( *m_object->fill() );
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VStroke *stroke = new VStroke( *m_object->stroke() );
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VColor black( Qt::black );
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black.setOpacity( m_opacity );
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if( m_object->fill()->type() != VFill::none )
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m_object->fill()->setColor( black );
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m_object->stroke()->setColor( black );
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QWMatrix mat = painter->worldMatrix();
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painter->setWorldMatrix( mat.translate( shadowDx * painter->zoomFactor(), -shadowDy * painter->zoomFactor()) );
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m_object->draw( painter, rect );
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m_object->setFill( *fill );
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m_object->setStroke( *stroke );
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painter->setWorldMatrix( mat.translate( -shadowDx* painter->zoomFactor() , shadowDy * painter->zoomFactor() ) );
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}
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m_object->draw( painter, rect );
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}
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VObject *
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VShadowDecorator::clone() const
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{
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return new VShadowDecorator( *this );
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}
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void
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VShadowDecorator::accept( VVisitor& visitor )
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{
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m_object->accept( visitor );
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visitor.visitVObject( *this );
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// do not allow swallowed object to be part of the selection
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document()->selection()->take( *m_object );
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}
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void
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VShadowDecorator::setShadow( int distance, int angle, float opacity )
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{
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m_distance = distance;
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m_angle = angle;
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m_opacity = opacity;
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}
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void
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VShadowDecorator::setStroke( const VStroke& stroke )
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{
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m_object->setStroke( stroke );
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}
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void
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VShadowDecorator::setFill( const VFill& fill )
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{
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m_object->setFill( fill );
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}
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void
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VShadowDecorator::setState( const VState state )
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{
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m_state = state;
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m_object->setState( state );
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}
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void
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VShadowDecorator::save( QDomElement& element ) const
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{
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if( m_state != VObject::deleted )
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{
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// save shadow as new object
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int shadowDx = int( m_distance * cos( m_angle / 360. * 6.2832 ) );
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int shadowDy = int( m_distance * sin( m_angle / 360. * 6.2832 ) );
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VObject *shadow = m_object->clone();
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VColor black( Qt::black );
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black.setOpacity( m_opacity );
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if( shadow->fill()->type() != VFill::none )
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shadow->fill()->setColor( black );
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shadow->stroke()->setColor( black );
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QWMatrix mat;
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mat.translate( shadowDx, -shadowDy );
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VTransformCmd trafo( 0L, mat );
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trafo.visit( *shadow );
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shadow->save( element );
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delete shadow;
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// save swallowed object
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m_object->save( element );
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}
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}
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