/* This file is part of the KDE project
   SPDX-FileCopyrightText: 2008 Timothe Lacroix <dakeyras.khan@gmail.com>

   SPDX-License-Identifier: LGPL-2.0-or-later
*/

#include "KPrBarWipeFromTopStrategy.h"
#include "KPrBarWipeEffectFactory.h"

#include <QWidget>
#include <QPainter>

KPrBarWipeFromTopStrategy::KPrBarWipeFromTopStrategy()
: KPrPageEffectStrategy( KPrBarWipeEffectFactory::FromTop, "barWipe", "topToBottom", false )
{
}

KPrBarWipeFromTopStrategy::~KPrBarWipeFromTopStrategy()
{
}

void KPrBarWipeFromTopStrategy::setup( const KPrPageEffect::Data &data, QTimeLine &timeLine )
{
    timeLine.setFrameRange( 0, data.m_widget->height() );
}

void KPrBarWipeFromTopStrategy::paintStep( QPainter &p, int currPos, const KPrPageEffect::Data &data )
{
    int width = data.m_widget->width();
    int height = data.m_widget->height();
    QRect rect1( 0, 0, width,currPos );
    QRect rect2( 0, currPos, width, height );
    p.drawPixmap( QPoint( 0, 0 ), data.m_newPage, rect1 );
    p.drawPixmap( QPoint( 0, currPos ), data.m_oldPage, rect2 );
}

void KPrBarWipeFromTopStrategy::next( const KPrPageEffect::Data &data )
{
    int lastPos = data.m_timeLine.frameForTime( data.m_lastTime );
    int currPos = data.m_timeLine.frameForTime( data.m_currentTime );
    data.m_widget->update( 0, lastPos, data.m_widget->width(), currPos-lastPos );
}
