public void Write(BitmapSource i, Stream s)
{
BitmapEncoder encoder = null;
if (MimeType.Equals("image/jpeg"))
{
encoder = new JpegBitmapEncoder();
((JpegBitmapEncoder)encoder).QualityLevel = localSettings.Quality;
}
else if (MimeType.Equals("image/png"))
{
encoder = new PngBitmapEncoder();
}
else if (MimeType.Equals("image/gif"))
{
encoder = new GifBitmapEncoder();
encoder.Palette = new BitmapPalette(i, 256);
}
encoder.Frames.Add(BitmapFrame.Create(i));
using (MemoryStream outputStream = new MemoryStream())
{
encoder.Save(outputStream);
outputStream.WriteTo(s);
}
}
/// <summary>
/// Determines whether the specified <see cref="System.Object" />, is equal to this instance.
/// </summary>
/// <param name="obj">The <see cref="System.Object" /> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object" /> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public override bool Equals(object obj)
{
var format = obj as ISupportedImageFormat;
if (format == null)
{
return(false);
}
return(MimeType.Equals(format.MimeType) && IsIndexed.Equals(format.IsIndexed));
}
public Guid GetOutputFormatWicGuid()
{
Guid guidEncoder = Consts.GUID_ContainerFormatJpeg;
if (MimeType.Equals("image/jpeg"))
{
guidEncoder = Consts.GUID_ContainerFormatJpeg;
}
if (MimeType.Equals("image/png"))
{
guidEncoder = Consts.GUID_ContainerFormatPng;
}
if (MimeType.Equals("image/gif"))
{
guidEncoder = Consts.GUID_ContainerFormatGif;
}
return(guidEncoder);
}
/// <summary>
/// Returns true if Attachment instances are equal
/// </summary>
/// <param name="other">Instance of Attachment to be compared</param>
/// <returns>Boolean</returns>
public bool Equals(Attachment other)
{
if (other is null)
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return
((
Id == other.Id ||
Id.Equals(other.Id)
) &&
(
FileName == other.FileName ||
FileName != null &&
FileName.Equals(other.FileName)
) &&
(
FileContents == other.FileContents ||
FileContents != null &&
FileContents.Equals(other.FileContents)
) &&
(
Description == other.Description ||
Description != null &&
Description.Equals(other.Description)
) &&
(
MimeType == other.MimeType ||
MimeType != null &&
MimeType.Equals(other.MimeType)
) &&
(
Type == other.Type ||
Type != null &&
Type.Equals(other.Type)
));
}
public Base64Image(string data, long?fileSize = null)
{
if (!string.IsNullOrEmpty(data))
{
if (Regex.IsMatch(data, @"data:[a-z0-9]+/[a-z0-9]+;base64,\s*.+", RegexOptions.IgnoreCase))
{
Data = data.Substring(data.IndexOf("base64,") + 7).Trim();
MimeType = data.Substring(5, data.IndexOf(";") - 5);
//"image/jpeg"
//"image/png"
ImageType = MimeType.Equals("image/png") ? ImageType.png : ImageType.jpg;
}
else
{
Data = data.Trim();
MimeType = FileUtility.GetMimeType(".jpg");
ImageType = ImageType.jpg;
}
Size = fileSize ?? data.Length;
}
}
