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/*
* Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_CROP_VISITOR_H_
#define KIS_CROP_VISITOR_H_
#include "tqrect.h"
#include "klocale.h"
#include "kis_layer_visitor.h"
#include "kis_types.h"
#include "kis_layer.h"
#include "kis_group_layer.h"
#include "kis_paint_layer.h"
#include "kis_adjustment_layer.h"
#include "kis_transaction.h"
#include <kis_selected_transaction.h>
class KisProgressDisplayInterface;
class KisFilterStrategy;
class KisCropVisitor : public KisLayerVisitor {
public:
KisCropVisitor( const TQRect & rc, bool movelayers = true)
: KisLayerVisitor()
, m_rect(rc), m_movelayers(movelayers)
{
}
virtual ~KisCropVisitor()
{
}
/**
* Crops the specified layer and adds the undo information to the undo adapter of the
* layer's image.
*/
bool visit(KisPaintLayer *layer)
{
KisPaintDeviceSP dev = layer->paintDevice();
KisSelectedTransaction * t = 0;
if (layer->undoAdapter() && layer->undoAdapter()->undo())
t = new KisSelectedTransaction(i18n("Crop"), dev.data());
dev->crop(m_rect);
if (layer->undoAdapter() && layer->undoAdapter()->undo()) {
layer->undoAdapter()->addCommand(t);
}
if(m_movelayers) {
if(layer->undoAdapter() && layer->undoAdapter()->undo()) {
KNamedCommand * cmd = dev->moveCommand(layer->x() - m_rect.x(), layer->y() - m_rect.y());
layer->undoAdapter()->addCommand(cmd);
}
}
layer->setDirty(dev->image()->bounds());
return true;
};
bool visit(KisGroupLayer *layer)
{
layer->resetProjection();
KisLayerSP child = layer->firstChild();
while (child) {
child->accept(*this);
child = child->nextSibling();
}
layer->setDirty();
return true;
};
bool visit(KisPartLayer */*layer*/)
{
return true;
};
virtual bool visit(KisAdjustmentLayer* layer)
{
layer->resetCache();
return true;
}
private:
TQRect m_rect;
bool m_movelayers;
};
#endif
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