/// <summary>
/// Performs the Alpha method from the ImageProcessor library.
/// </summary>
/// <param name="image">The image with which to apply the effect.</param>
/// <param name="percentage">The amount of transparency as a percentage.</param>
/// <returns>A new image with the Alpha effect applied.</returns>
public Image Alpha(Image image, int percentage)
{
using var factory = new ImageFactory();
factory.Load(image);
factory.Alpha(percentage);
var result = factory.Image;
return(new Bitmap(result));
}
public IImageTransformer Alpha(int percentage)
{
_image.Alpha(percentage);
return(this);
}
public static void Process(ref byte[] buffer, Dictionary <string, double> edits)
{
using (var inputStream = new MemoryStream(buffer))
{
using (var outputStream = new MemoryStream())
{
using (var factory = new ImageFactory())
{
factory.Load(inputStream);
foreach (var edit in edits)
{
switch (edit.Key)
{
case "Alpha":
{
factory.Alpha((int)edit.Value);
break;
}
case "Contrast":
{
factory.Contrast((int)edit.Value);
break;
}
case "Exposure":
{
factory.Brightness((int)edit.Value);
break;
}
case "Flip":
{
var flipVertical = edit.Value == 1;
factory.Flip(flipVertical);
break;
}
case "Pixelate":
{
factory.Pixelate((int)edit.Value);
break;
}
case "Quality":
{
factory.Quality((int)edit.Value);
break;
}
case "Rotate":
{
factory.Rotate((int)edit.Value);
break;
}
case "Rounded":
{
factory.RoundedCorners((int)edit.Value);
break;
}
case "Saturation":
{
factory.Saturation((int)edit.Value);
break;
}
}
}
factory.Save(outputStream);
var length = (int)outputStream.Length;
buffer = new byte[length];
outputStream.Read(buffer, 0, length);
}
}
}
}
public override void Apply(ImageFactory fs)
{
fs = fs.Alpha(percentage);
}
