kis_do_something_command.h

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/*
 *  SPDX-FileCopyrightText: 2014 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_DO_SOMETHING_COMMAND_H
#define __KIS_DO_SOMETHING_COMMAND_H
 
#include <kundo2command.h>
 
template <template <class T> class DoSomethingOp, class LayerType>
class KisDoSomethingCommand : public KUndo2Command
{
public:
    KisDoSomethingCommand(LayerType layer, bool finalUpdate, KUndo2Command *parentCommand = 0)
        : KUndo2Command(parentCommand),
          m_layer(layer),
          m_finalUpdate(finalUpdate) {}
 
    void undo() override {
        DoSomethingOp<LayerType> op;
        if (!m_finalUpdate) {
            op(m_layer);
        }
    }
 
    void redo() override {
        DoSomethingOp<LayerType> op;
        if (m_finalUpdate) {
            op(m_layer);
        }
    }
 
private:
    LayerType m_layer;
    bool m_finalUpdate;
};
 
namespace KisDoSomethingCommandOps {
 
template <class LayerType>
struct ResetOp
{
    void operator() (LayerType layer) {
        layer->resetCache(layer->colorSpace());
    }
};
 
template <class LayerType>
struct UpdateOp
{
    void operator() (LayerType layer) {
        layer->update();
    }
};
 
template <class LayerType>
struct NotifyColorSpaceChangedOp
{
    void operator() (LayerType layer) {
        layer->notifyColorSpaceChanged();
    }
};
 
 
}
#endif /* __KIS_DO_SOMETHING_COMMAND_H */