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96 lines
2.9 KiB
96 lines
2.9 KiB
/*
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* Copyright (c) 2006 Bart Coppens <kde@bartcoppens.be>
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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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#ifndef KIS_SHEAR_VISITOR_H_
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#define KIS_SHEAR_VISITOR_H_
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#include "kis_types.h"
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#include "kis_progress_subject.h"
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#include "kis_layer_visitor.h"
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#include "kis_transform_worker.h"
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#include "kis_filter_strategy.h"
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#include "kis_undo_adapter.h"
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#include "kis_transaction.h"
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#include "kis_rotate_visitor.h"
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class KisShearVisitor : public KisLayerVisitor {
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public:
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KisShearVisitor(double xshear, double yshear, KisProgressDisplayInterface *progress)
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: m_xshear(xshear), m_yshear(yshear), m_progress(progress), m_strategy(0), m_undo(0) {};
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void setStrategy(KisFilterStrategy* strategy) { m_strategy = strategy; }
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void setUndoAdapter(KisUndoAdapter* undo) { m_undo = undo; }
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public:
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virtual bool visit(KisPaintLayer* layer) {
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KisPaintDeviceSP dev = layer->paintDevice();
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if(!dev)
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return true;
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KisFilterStrategy* strategy = 0;
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if (m_strategy)
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strategy = m_strategy;
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else
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strategy = new KisMitchellFilterStrategy;
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KisTransaction* t = 0;
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if (m_undo && m_undo->undo())
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t = new KisTransaction("", dev.data());
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//Doesn't do anything, internally transforms x and y shear to 0 each :-///
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//KisTransformWorker w(dev, 1.0, 1.0, m_xshear, m_yshear, 0, 0, 0, m_progress, strategy);
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//w.run();
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KisRotateVisitor v;
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v.visitKisPaintDevice(dev);
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v.shear(m_xshear, m_yshear, m_progress);
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if (m_undo && m_undo->undo())
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m_undo->addCommand(t);
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if (!m_strategy)
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delete strategy;
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layer->setDirty();
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return true;
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}
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virtual bool visit(KisGroupLayer* layer) {
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KisLayerSP child = layer->firstChild();
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while(child)
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{
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child->accept(*this);
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child = child->nextSibling();
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}
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return true;
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}
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virtual bool visit(KisPartLayer*) { return true; }
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virtual bool visit(KisAdjustmentLayer *) { return true; }
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private:
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double m_xshear;
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double m_yshear;
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KisProgressDisplayInterface* m_progress;
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KisFilterStrategy* m_strategy;
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KisUndoAdapter* m_undo;
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};
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#endif // KIS_SHEAR_VISITOR_H_
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