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 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       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 DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 */

using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using OpenSim.Region.Framework.Interfaces;

namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
{
    /// <summary>
    /// A generic windows bitmap loader.
    /// Should be capable of handling 24-bit RGB images.
    ///
    /// Uses the System.Drawing filesystem loader.
    /// </summary>
    internal class BMP : GenericSystemDrawing
    {
        /// <summary>
        /// Exports a file to a image on the disk using a System.Drawing exporter.
        /// </summary>
        /// <param name="filename">The target filename</param>
        /// <param name="map">The terrain channel being saved</param>
        public override void SaveFile(string filename, ITerrainChannel map)
        {
            using(Bitmap colours = CreateGrayscaleBitmapFromMap(map))
                colours.Save(filename,ImageFormat.Bmp);
        }

        /// <summary>
        /// Exports a stream using a System.Drawing exporter.
        /// </summary>
        /// <param name="stream">The target stream</param>
        /// <param name="map">The terrain channel being saved</param>
        public override void SaveStream(Stream stream, ITerrainChannel map)
        {
            using(Bitmap colours = CreateGrayscaleBitmapFromMap(map))
                colours.Save(stream,ImageFormat.Bmp);
        }

        /// <summary>
        /// The human readable version of the file format(s) this loader handles
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return "BMP";
        }

        //Returns true if this extension is supported for terrain save-tile
        public override bool SupportsTileSave()
        {
            return false;
        }
    }
}
