//

// SPDX-License-Identifier: BSD-3-Clause

// Copyright (c) Contributors to the OpenEXR Project.

//

//-----------------------------------------------------------------------------

//

//  class PreviewImage

//

//-----------------------------------------------------------------------------

#include "ImfPreviewImage.h"

#include "Iex.h"

#include "ImfCheckedArithmetic.h"

#include "ImfNamespace.h"

OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER

PreviewImage::PreviewImage (

    unsigned int width, unsigned int height, const PreviewRgba pixels[])

{

    _width  = width;

    _height = height;

    _pixels = new PreviewRgba[checkArraySize (

        uiMult (_width, _height), sizeof (PreviewRgba))];

    if (pixels)

    {

        for (unsigned int i = 0; i < _width * _height; ++i)

            _pixels[i] = pixels[i];

    }

    else

    {

        for (unsigned int i = 0; i < _width * _height; ++i)

            _pixels[i] = PreviewRgba ();

    }

}

PreviewImage::PreviewImage (const PreviewImage& other)

    : _width (other._width)

    , _height (other._height)

    , _pixels (new PreviewRgba[other._width * other._height])

{

    for (unsigned int i = 0; i < _width * _height; ++i)

        _pixels[i] = other._pixels[i];

}

PreviewImage::~PreviewImage ()

{

    delete[] _pixels;

}

PreviewImage&

PreviewImage::operator= (const PreviewImage& other)

{

    if (this != &other)

    {

        delete[] _pixels;

        _width  = other._width;

        _height = other._height;

        _pixels = new PreviewRgba[other._width * other._height];

        for (unsigned int i = 0; i < _width * _height; ++i)

            _pixels[i] = other._pixels[i];

    }

    return *this;

}

OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT