PngCodec.h

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/*
 * Copyright (C) 2012 by
 *   MetraLabs GmbH (MLAB), GERMANY
 * and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Contact: info@mira-project.org
 *
 * Commercial Usage:
 *   Licensees holding valid commercial licenses may use this file in
 *   accordance with the commercial license agreement provided with the
 *   software or, alternatively, in accordance with the terms contained in
 *   a written agreement between you and MLAB or NICR.
 *
 * GNU General Public License Usage:
 *   Alternatively, this file may be used under the terms of the GNU
 *   General Public License version 3.0 as published by the Free Software
 *   Foundation and appearing in the file LICENSE.GPL3 included in the
 *   packaging of this file. Please review the following information to
 *   ensure the GNU General Public License version 3.0 requirements will be
 *   met: http://www.gnu.org/copyleft/gpl.html.
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 *   MLAB and NICR (or its successors, if any).
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 * IN NO EVENT SHALL "MLAB" OR "NICR" BE LIABLE TO ANY PARTY FOR DIRECT,
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 */

#ifndef _MIRA_PNGCODEC_H_
#define _MIRA_PNGCODEC_H_

#include <serialization/BinarySerializerCodec.h>
#include <serialization/PropertySerializer.h>

namespace mira { namespace codec {


class PngCodec : public BinarySerializerCodec
{
MIRA_META_OBJECT(PngCodec,
        ("FOURCC",      "PNG ")
        ("Name",        "Png")
        ("Description", "Lossless PNG image compression")
        ("Category"   , "Image"))
public:

    PngCodec(int compression = 3) : mCompression(compression) {}

    void reflect(PropertySerializer &r)
    {
        MIRA_REFLECT_BASE(r, BinarySerializerCodec);
        r.property("Compression", mCompression,
                   "Compression (0: lowest but fastest, 9: best but slowest)",
                   3);
    }

    template <typename Reflector>
    void reflect(Reflector &r)
    {
        r.property("Compression", mCompression, 
                   "Compression (0: lowest but fastest, 9: best but slowest)",
                   3);
    }

public:

    virtual TypeId getSupportedTypeId() const;

protected:

    virtual Buffer<uint8> encodeBuffer(TypedVoidConstPtr objectPtr);

    virtual void decodeBuffer(const Buffer<uint8>& data, TypedVoidPtr ioObjectPtr);

private:

    int mCompression;
};


}} // namespace

#endif