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95 lines
2.6 KiB
95 lines
2.6 KiB
15 years ago
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/*
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* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "kis_types.h"
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#include "kis_global.h"
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#include "kis_tile.h"
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#include "kis_tileddatamanager.h"
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#include "kis_image.h"
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#include "kis_transaction.h"
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#include "kis_memento.h"
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#include "kis_paint_device.h"
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#include "kis_layer.h"
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class KisTransactionPrivate {
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public:
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QString m_name;
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KisPaintDeviceSP m_device;
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KisMementoSP m_memento;
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};
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KisTransaction::KisTransaction(const QString& name, KisPaintDeviceSP device)
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{
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m_private = new KisTransactionPrivate;
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m_private->m_name = name;
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m_private->m_device = device;
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m_private->m_memento = device->getMemento();
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}
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KisTransaction::~KisTransaction()
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{
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if (m_private->m_memento) {
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// For debugging purposes
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m_private->m_memento->setInvalid();
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}
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delete m_private;
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}
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void KisTransaction::execute()
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{
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Q_ASSERT(m_private->m_memento != 0);
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m_private->m_device->rollforward(m_private->m_memento);
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QRect rc;
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Q_INT32 x, y, width, height;
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m_private->m_memento->extent(x,y,width,height);
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rc.setRect(x + m_private->m_device->getX(), y + m_private->m_device->getY(), width, height);
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KisLayerSP l = m_private->m_device->parentLayer();
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if (l) l->setDirty(rc);
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}
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void KisTransaction::unexecute()
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{
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Q_ASSERT(m_private->m_memento != 0);
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m_private->m_device->rollback(m_private->m_memento);
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QRect rc;
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Q_INT32 x, y, width, height;
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m_private->m_memento->extent(x,y,width,height);
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rc.setRect(x + m_private->m_device->getX(), y + m_private->m_device->getY(), width, height);
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KisLayerSP l = m_private->m_device->parentLayer();
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if (l) l->setDirty(rc);
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}
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void KisTransaction::unexecuteNoUpdate()
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{
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Q_ASSERT(m_private->m_memento != 0);
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m_private->m_device->rollback(m_private->m_memento);
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}
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QString KisTransaction::name() const
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{
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return m_private->m_name;
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}
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