diff options
Diffstat (limited to 'krita/core/kis_shear_visitor.h')
-rw-r--r-- | krita/core/kis_shear_visitor.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/krita/core/kis_shear_visitor.h b/krita/core/kis_shear_visitor.h new file mode 100644 index 00000000..9a48181e --- /dev/null +++ b/krita/core/kis_shear_visitor.h @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2006 Bart Coppens <kde@bartcoppens.be> + * + * 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_SHEAR_VISITOR_H_ +#define KIS_SHEAR_VISITOR_H_ + +#include "kis_types.h" +#include "kis_progress_subject.h" +#include "kis_layer_visitor.h" +#include "kis_transform_worker.h" +#include "kis_filter_strategy.h" +#include "kis_undo_adapter.h" +#include "kis_transaction.h" +#include "kis_rotate_visitor.h" + +class KisShearVisitor : public KisLayerVisitor { +public: + KisShearVisitor(double xshear, double yshear, KisProgressDisplayInterface *progress) + : m_xshear(xshear), m_yshear(yshear), m_progress(progress), m_strategy(0), m_undo(0) {}; + + void setStrategy(KisFilterStrategy* strategy) { m_strategy = strategy; } + void setUndoAdapter(KisUndoAdapter* undo) { m_undo = undo; } +public: + virtual bool visit(KisPaintLayer* layer) { + KisPaintDeviceSP dev = layer->paintDevice(); + if(!dev) + return true; + + KisFilterStrategy* strategy = 0; + if (m_strategy) + strategy = m_strategy; + else + strategy = new KisMitchellFilterStrategy; + + KisTransaction* t = 0; + + if (m_undo && m_undo->undo()) + t = new KisTransaction("", dev.data()); + + //Doesn't do anything, internally transforms x and y shear to 0 each :-/// + //KisTransformWorker w(dev, 1.0, 1.0, m_xshear, m_yshear, 0, 0, 0, m_progress, strategy); + //w.run(); + + KisRotateVisitor v; + v.visitKisPaintDevice(dev); + v.shear(m_xshear, m_yshear, m_progress); + + if (m_undo && m_undo->undo()) + m_undo->addCommand(t); + + if (!m_strategy) + delete strategy; + + layer->setDirty(); + + return true; + } + + virtual bool visit(KisGroupLayer* layer) { + KisLayerSP child = layer->firstChild(); + + while(child) + { + child->accept(*this); + child = child->nextSibling(); + } + return true; + } + + virtual bool visit(KisPartLayer*) { return true; } + virtual bool visit(KisAdjustmentLayer *) { return true; } +private: + double m_xshear; + double m_yshear; + KisProgressDisplayInterface* m_progress; + KisFilterStrategy* m_strategy; + KisUndoAdapter* m_undo; +}; + +#endif // KIS_SHEAR_VISITOR_H_ |