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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tango.RemoteDesktop
{
/// <summary>
/// Represents a base <see cref="IFrameEncoder"/>.
/// </summary>
/// <seealso cref="Tango.RemoteDesktop.IFrameEncoder" />
public abstract class FrameEncoder : IFrameEncoder
{
/// <summary>
/// Gets the frame instance.
/// </summary>
public IFrame Frame { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="FrameEncoder"/> class using an existing <see cref="IFrame"/>.
/// </summary>
/// <param name="frame">The frame.</param>
public FrameEncoder(IFrame frame)
{
Frame = frame;
}
/// <summary>
/// Returns a stream containing the encoded frame.
/// </summary>
/// <returns></returns>
public abstract MemoryStream ToStream();
/// <summary>
/// Returns a byte array containing the encoded frame.
/// </summary>
/// <returns></returns>
public byte[] ToArray()
{
using (var ms = ToStream())
{
return ms.ToArray();
}
}
/// <summary>
/// Gets the image encoder by the specified image format.
/// </summary>
/// <param name="format">The format.</param>
/// <returns></returns>
protected ImageCodecInfo GetEncoder(ImageFormat format)
{
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageDecoders();
return codecs.Single(codec => codec.FormatID == format.Guid);
}
}
}
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