Laedit.Extensions.BitmapSourceExtensions

DescriptionCode

/*  ----------------------------------------------------------------------------
 *  Laedit.Extensions : Laedit.Extensions
 *  ----------------------------------------------------------------------------
 *  File:       		BitmapSourceExtensions.cs
 *  Author:     		Jérémie Bertrand
 *  Last modification:	16/08/2010
 *  ----------------------------------------------------------------------------
 *  Copyright 2010 Jérémie Bertrand
 *  Licensed under the Apache License, Version 2.0 (the "License"); 
 *  You may not use this file except in compliance with the License. 
 *  You may obtain a copy of the License at 
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0 
 *  
 *  Unless required by applicable law or agreed to in writing, software 
 *  distributed under the License is distributed on an "AS IS" BASIS, 
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 *  See the License for the specific language governing permissions and 
 *  limitations under the License.
 *  ----------------------------------------------------------------------------
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Media.Imaging;
using System.IO;

namespace Laedit.Extensions.BitmapSourceExtensions
{
    /// <summary>
    /// Extensions for BitmapSource
    /// </summary>
    public static class BitmapSourceExtensions
    {
        /// <summary>
        /// Saves as JPEG.
        /// </summary>
        /// <param name="bitmapSource">The bitmap source.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="flipHorizontal">if set to <c>true</c> [flip horizontal].</param>
        /// <param name="flipVertical">if set to <c>true</c> [flip vertical].</param>
        /// <param name="quality">The quality.</param>
        /// <param name="rotation">The rotation.</param>
        public static void SaveAsJPEG(this System.Windows.Media.Imaging.BitmapSource bitmapSource, System.String fileName, Boolean flipHorizontal = false, Boolean flipVertical = false, Int32 quality = 30, Rotation rotation = Rotation.Rotate0)
        {
            using (FileStream stream = new FileStream(fileName, FileMode.Create))
            {
                JpegBitmapEncoder encoder = new JpegBitmapEncoder();
                encoder.FlipHorizontal = flipHorizontal;
                encoder.FlipVertical = flipVertical;
                encoder.QualityLevel = quality;
                encoder.Rotation = rotation;
                encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
                encoder.Save(stream);
            }
        }

/// <summary>
        /// Convert the BitmapSource into a bitmap.
        /// </summary>
        /// <param name="bitmapSource">The bitmap source.</param>
        /// <returns>The bitmap</returns>
        public static System.Drawing.Bitmap ToBitmap(this System.Windows.Media.Imaging.BitmapSource bitmapSource)
        {
            System.Drawing.Bitmap bitmap = null;
            using (MemoryStream outStream = new MemoryStream())
            {
                // from System.Media.BitmapImage to System.Drawing.Bitmap 
                BitmapEncoder enc = new BmpBitmapEncoder();
                enc.Frames.Add(BitmapFrame.Create(bitmapSource));
                enc.Save(outStream);
                bitmap = new System.Drawing.Bitmap(outStream);
            }
            return bitmap; 
        }
    }
}