/// <summary>
/// Loads an image from a given file path
/// </summary>
/// <param name="path">File Path to image</param>
/// <param name="bitDepth">bit depth of each pixel</param>
/// <param name="isBayered">Flag to indicate if the image is bayer matrix encoded</param>
/// <param name="rawConverter">Which type of raw converter to use, when image is in RAW format</param>
/// <param name="ct">Token to cancel operation</param>
/// <returns></returns>
public static Task <IImageData> FromFile(string path, int bitDepth, bool isBayered, RawConverterEnum rawConverter, CancellationToken ct = default(CancellationToken))
{
return(Task.Run(async() => {
if (!File.Exists(path))
{
throw new FileNotFoundException();
}
BitmapDecoder decoder;
switch (Path.GetExtension(path).ToLower())
{
case ".gif":
decoder = new GifBitmapDecoder(new Uri(path), BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
return await BitmapToImageArray(decoder, isBayered);
case ".tif":
case ".tiff":
decoder = new TiffBitmapDecoder(new Uri(path), BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
return await BitmapToImageArray(decoder, isBayered);
case ".jpg":
case ".jpeg":
decoder = new JpegBitmapDecoder(new Uri(path), BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
return await BitmapToImageArray(decoder, isBayered);
case ".png":
decoder = new PngBitmapDecoder(new Uri(path), BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
return await BitmapToImageArray(decoder, isBayered);
case ".xisf":
return await XISF.Load(new Uri(path), isBayered);
case ".fit":
case ".fits":
return await FITS.Load(new Uri(path), isBayered);
case ".cr2":
case ".cr3":
case ".nef":
case ".raf":
case ".raw":
case ".pef":
case ".dng":
case ".arw":
case ".orf":
return await RawToImageArray(path, bitDepth, rawConverter, ct);
default:
throw new NotSupportedException();
}
}));
}
private string SaveXisf(FileSaveInfo fileSaveInfo)
{
XISFHeader header = new XISFHeader();
header.AddImageMetaData(Properties, MetaData.Image.ImageType);
header.Populate(MetaData);
XISF img = new XISF(header);
img.AddAttachedImage(Data.FlatArray, fileSaveInfo);
Directory.CreateDirectory(Path.GetDirectoryName(fileSaveInfo.FilePath));
string uniquePath = Utility.Utility.GetUniqueFilePath(fileSaveInfo.FilePath + ".xisf");
using (FileStream fs = new FileStream(uniquePath, FileMode.Create)) {
img.Save(fs);
}
return(uniquePath);
}
