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koffice/chalk/core/kis_transform_visitor.h

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/*
* Copyright (c) 2006 Casper Boemann <cbr@boemann.dk>
*
* 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_TRANSFORM_VISITOR_H_
#define KIS_TRANSFORM_VISITOR_H_
#include "tqrect.h"
#include "tdelocale.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_transform_worker.h"
#include <kis_selected_transaction.h>
class KisProgressDisplayInterface;
class KisFilterStrategy;
class KisTransformVisitor : public KisLayerVisitor {
public:
KisTransformVisitor(KisImageSP img, double xscale, double yscale,
double /*xshear*/, double /*yshear*/, double angle,
TQ_INT32 tx, TQ_INT32 ty, KisProgressDisplayInterface *progress, KisFilterStrategy *filter)
: KisLayerVisitor()
, m_sx(xscale)
, m_sy(yscale)
, m_tx(tx)
, m_ty(ty)
, m_filter(filter)
, m_angle(angle)
, m_progress(progress)
, m_img(img)
{
}
virtual ~KisTransformVisitor()
{
}
/**
* 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();
KisTransaction * t = 0;
if (m_img->undo()) {
t = new KisTransaction(i18n("Rotate Layer"), dev);
TQ_CHECK_PTR(t);
}
KisTransformWorker tw(dev, m_sx, m_sy, 0.0, 0.0, m_angle, m_tx, m_ty, m_progress, m_filter, true);
tw.run();
if (m_img->undo()) {
m_img->undoAdapter()->addCommand(t);
}
layer->setDirty();
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)
{
KisPaintDeviceSP dev = layer->selection().data();
KisTransaction * t = 0;
if (m_img->undo()) {
t = new KisTransaction(i18n("Rotate Layer"), dev);
TQ_CHECK_PTR(t);
}
KisTransformWorker tw(dev, m_sx, m_sy, 0.0, 0.0, m_angle, m_tx, m_ty, m_progress, m_filter, true);
tw.run();
if (m_img->undo()) {
m_img->undoAdapter()->addCommand(t);
}
layer->setDirty();
layer->resetCache();
return true;
}
private:
double m_sx, m_sy;
TQ_INT32 m_tx, m_ty;
KisFilterStrategy *m_filter;
double m_angle;
KisProgressDisplayInterface *m_progress;
KisImageSP m_img;
};
#endif