public static NSData ToNSData(this Image image, Imaging.ImageFormat format)
{
using (var stream = new IO.MemoryStream()) {
image.Save(stream, format);
return(NSData.FromArray(stream.ToArray()));
}
}
/// <summary>
/// Serializes the user.
/// </summary>
/// <param name="aum">The AuthUserData.</param>
/// <returns></returns>
/// <remarks>The AuthUserData is a custom serializable poco that holds the data</remarks>
private static string SerializeUser(AuthUserData aud)
{
Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new Runtime.Serialization.Formatters.Binary.BinaryFormatter();
IO.MemoryStream mem = new IO.MemoryStream();
bf.Serialize(mem, aud);
return(Convert.ToBase64String(mem.ToArray()));
}
/// <summary>
/// Converts the given BitmapSource into a Bitmap.
/// </summary>
/// <param name="This">This BitmapSource.</param>
/// <returns>The copy of the BitmapSource as a Bitmap-Instance.</returns>
public static Bitmap AsBitmap(this BitmapSource This) {
Contract.Requires(This != null);
using (var memoryStream = new IO.MemoryStream()) {
var bitmapEncoder = new BmpBitmapEncoder();
bitmapEncoder.Frames.Add(BitmapFrame.Create(This));
bitmapEncoder.Save(memoryStream);
using (var temp = new Bitmap(memoryStream))
return (new Bitmap(temp));
}
}
/// <summary>
/// 转换为图像。
/// </summary>
/// <param name="buffer">需要处理的数据。</param>
/// <param name="useIcm">如果要为此 System.Drawing.Bitmap 使用颜色校正，则为 true；否则为 false。</param>
/// <returns>返回转换后的图像。</returns>
public static Bitmap ToBitmap(
#if !net20
this
#endif
byte[] buffer, bool useIcm)
{
using (System.IO.MemoryStream stream = new IO.MemoryStream(buffer)) {
return(new Bitmap(stream, useIcm));
}
}
/// <summary>
/// Converts the given BitmapSource into a Bitmap.
/// </summary>
/// <param name="This">This BitmapSource.</param>
/// <returns>The copy of the BitmapSource as a Bitmap-Instance.</returns>
public static Bitmap AsBitmap(this BitmapSource This)
{
Contract.Requires(This != null);
using (var memoryStream = new IO.MemoryStream()) {
var bitmapEncoder = new BmpBitmapEncoder();
bitmapEncoder.Frames.Add(BitmapFrame.Create(This));
bitmapEncoder.Save(memoryStream);
using (var temp = new Bitmap(memoryStream))
return(new Bitmap(temp));
}
}
/// <summary>
/// Simple decompression of a gzip-compressed byte array
/// </summary>
/// <param name="compressedData"></param>
/// <returns></returns>
private byte[] decompressGzip(byte[] compressedData)
{
using (IO.MemoryStream msOut = new IO.MemoryStream(compressedData.Length * 10))
{
using (IO.MemoryStream msIn = new IO.MemoryStream(compressedData))
{
using (IO.Compression.GZipStream ds = new IO.Compression.GZipStream(msIn, IO.Compression.CompressionMode.Decompress))
{
ds.CopyTo(msOut);
return(msOut.GetBuffer());
}
}
}
}
/// <summary>
/// Deserializes the user.
/// </summary>
/// <param name="serializedaum">The serialized AuthUserData.</param>
/// <returns></returns>
/// <remarks></remarks>
private static AuthUserData DeserializeUser(string serializedaud)
{
Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new Runtime.Serialization.Formatters.Binary.BinaryFormatter();
IO.MemoryStream mem = new IO.MemoryStream(Convert.FromBase64String(serializedaud));
return((AuthUserData)bf.Deserialize(mem));
}
