/*

 * libopenraw - bitmapdata.cpp

 *

 * Copyright (C) 2007-2017 Hubert Figuière

 *

 * This library is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

#include <stddef.h>

#include <stdint.h>

#include <algorithm>

#include <cstdlib>

#include <libopenraw/consts.h>

#include <libopenraw/debug.h>

#include "trace.hpp"

#include "bitmapdata.hpp"

using namespace Debug;

namespace OpenRaw {

class BitmapData::Private {

public:

    /** raw data */

    void *data;

    /** size in bytes of raw data */

    size_t data_size;

    /** type of thumbnail data */

    DataType data_type;

    /** width dimension in pixels of image data */

    uint32_t width;

    /** height dimension in pixels of image data */

    uint32_t height;

    /** bpc bit per channel. 0 is not a valid value */

    uint32_t bpc;

    /** region of interest */

    uint32_t roi_x;

    uint32_t roi_y;

    uint32_t roi_w;

    uint32_t roi_h;

    Private()

        : data(nullptr)

        , data_size(0)

        , data_type(OR_DATA_TYPE_NONE)

        , width(0)

        , height(0)

        , bpc(0)

        , roi_x(0)

        , roi_y(0)

        , roi_w(0)

        , roi_h(0)

    {

    }

    ~Private()

    {

        if (data) {

            free(data);

        }

    }

    Private(const Private &) = delete;

    Private &operator=(const Private &) = delete;

};

BitmapData::BitmapData() : d(new BitmapData::Private())

{

}

BitmapData::~BitmapData()

{

    delete d;

}

void BitmapData::swap(BitmapData &with)

{

    std::swap(this->d, with.d);

}

BitmapData::DataType BitmapData::dataType() const

{

    return d->data_type;

}

void BitmapData::setDataType(BitmapData::DataType _type)

{

    d->data_type = _type;

    if (d->bpc == 0) {

        switch (_type) {

        case OR_DATA_TYPE_NONE:

            d->bpc = 0;

            break;

        case OR_DATA_TYPE_COMPRESSED_RAW:

        case OR_DATA_TYPE_RAW:

            d->bpc = 16;

            break;

        case OR_DATA_TYPE_PIXMAP_8RGB:

        case OR_DATA_TYPE_JPEG:

        default:

            d->bpc = 8;

        }

    }

}

void *BitmapData::allocData(const size_t s)

{

    LOGDBG1("allocate s=%lu data =%p\n", s, d->data);

    d->data = calloc(s, 1);

    LOGDBG1(" data =%p\n", d->data);

    d->data_size = s;

    return d->data;

}

size_t BitmapData::size() const

{

    return d->data_size;

}

void *BitmapData::data() const

{

    return d->data;

}

uint32_t BitmapData::x() const

{

    return d->width;

}

uint32_t BitmapData::width() const

{

    return d->width;

}

uint32_t BitmapData::y() const

{

    return d->height;

}

uint32_t BitmapData::height() const

{

    return d->height;

}

uint32_t BitmapData::bpc() const

{

    return d->bpc;

}

void BitmapData::setBpc(uint32_t _bpc)

{

    d->bpc = _bpc;

}

void BitmapData::setDimensions(uint32_t _width, uint32_t _height)

{

    d->width = _width;

    d->height = _height;

    if (d->roi_w == 0) {

        d->roi_w = _width;

    }

    if (d->roi_h == 0) {

        d->roi_h = _height;

    }

}

uint32_t BitmapData::roi_x() const

{

    return d->roi_x;

}

uint32_t BitmapData::roi_y() const

{

    return d->roi_y;

}

uint32_t BitmapData::roi_width() const

{

    return d->roi_w;

}

uint32_t BitmapData::roi_height() const

{

    return d->roi_h;

}

void BitmapData::setRoi(uint32_t _x, uint32_t _y, uint32_t w, uint32_t h)

{

    d->roi_x = _x;

    d->roi_y = _y;

    d->roi_w = w;

    d->roi_h = h;

}

}