///////////////////////////////////////////////////////////////////////////

//

// Copyright (c) 2003, Industrial Light & Magic, a division of Lucas

// Digital Ltd. LLC

// 

// All rights reserved.

// 

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// *       Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// *       Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// *       Neither the name of Industrial Light & Magic nor the names of

// its contributors may be used to endorse or promote products derived

// from this software without specific prior written permission. 

// 

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

///////////////////////////////////////////////////////////////////////////

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

//

//	class PreviewImage

//

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

#include "ImfPreviewImage.h"

#include "ImfCheckedArithmetic.h"

#include "Iex.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)

{

    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