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

// <copyright file="PngExporter.cs" company="OxyPlot">

//   The MIT License (MIT)

//

//   Copyright (c) 2012 Oystein Bjorke

//

//   Permission is hereby granted, free of charge, to any person obtaining a

//   copy of this software and associated documentation files (the

//   "Software"), to deal in the Software without restriction, including

//   without limitation the rights to use, copy, modify, merge, publish,

//   distribute, sublicense, and/or sell copies of the Software, and to

//   permit persons to whom the Software is furnished to do so, subject to

//   the following conditions:

//

//   The above copyright notice and this permission notice shall be included

//   in all copies or substantial portions of the Software.

//

//   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

//   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

//   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

//   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

//   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

//   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

//   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// </copyright>

// <summary>

//   The png exporter.

// </summary>

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

namespace OxyPlot.WindowsForms

{

    using System.Drawing;

    using System.Drawing.Imaging;

    using OxyPlot.WindowsForms;

    /// <summary>

    /// The png exporter.

    /// </summary>

    public static class PngExporter

    {

        /// <summary>

        /// The export.

        /// </summary>

        /// <param name="model">

        /// The model.

        /// </param>

        /// <param name="fileName">

        /// The file name.

        /// </param>

        /// <param name="width">

        /// The width.

        /// </param>

        /// <param name="height">

        /// The height.

        /// </param>

        /// <param name="background">

        /// The background.

        /// </param>

        public static void Export(PlotModel model, string fileName, int width, int height, Brush background = null)

        {

            using (var bm = new Bitmap(width, height))

            {

                using (Graphics g = Graphics.FromImage(bm))

                {

                    if (background != null)

                    {

                        g.FillRectangle(background, 0, 0, width, height);

                    }

                    var rc = new GraphicsRenderContext { RendersToScreen = false };

                    rc.SetGraphicsTarget(g);

                    model.Update();

                    model.Render(rc, width, height);

                    bm.Save(fileName, ImageFormat.Png);

                }

            }

        }

    }

}