/*
 *  Copyright (c) 2014 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  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_CACHED_PAINT_DEVICE_H
#define __KIS_CACHED_PAINT_DEVICE_H

#include "tiles3/kis_lockless_stack.h"

class KisCachedPaintDevice
{
public:
    KisPaintDeviceSP getDevice(KisPaintDeviceSP prototype) {
        KisPaintDeviceSP device;

        if(!m_stack.pop(device)) {
            device = new KisPaintDevice(prototype->colorSpace());
        }

        device->prepareClone(prototype);
        return device;
    }

    void putDevice(KisPaintDeviceSP device) {
        device->clear();
        m_stack.push(device);
    }

private:
    KisLocklessStack<KisPaintDeviceSP> m_stack;
};

class KisCachedSelection
{
public:
    KisSelectionSP getSelection() {
        KisSelectionSP selection;

        if(!m_stack.pop(selection)) {
            selection = new KisSelection();
        }

        return selection;
    }

    void putSelection(KisSelectionSP selection) {
        selection->clear();
        m_stack.push(selection);
    }

private:
    KisLocklessStack<KisSelectionSP> m_stack;
};

#endif /* __KIS_CACHED_PAINT_DEVICE_H */
