public async Task <BaseImage> GenerateGrayAsync()
{
if (!_sourceImage.IsRgb)
{
throw new Exception($"The image {_sourceImage.Id} is already converted to gray. Use the original one");
}
using (Stream sourceStream = File.OpenRead(_sourceImage.GetFileServerPath()))
using (var sourceImg = Image.Load(sourceStream))
{
sourceImg.Mutate(x => x.Grayscale());
return(await BaseImage.CreateAsync(sourceImg, _sourceImage.Name, Effect.ConvertToGrayEffect(_sourceImage.AppliedEffects.LastOrDefault()), _sourceImage, _sourceImage.FacePoints,
xTop : _sourceImage.XTopLeftOriginal, yTop : _sourceImage.YTopLeftOriginal, xBottom : _sourceImage.XBottomRightOriginal, yBottom : _sourceImage.YBottomRightOriginal, isRgb : false).ConfigureAwait(false));
}
}
public static async Task <BaseImage> CreateAsync <TColor>(Image <TColor> sourceImage, string name, Effect newEffect = null, BaseImage parentImage = null, IEnumerable <Vector2> facePoints = null,
bool isRgb = true, int?xTop = null, int?yTop = null, int?xBottom = null, int?yBottom = null)
where TColor : struct, IPixel <TColor>
{
BaseImage img = new BaseImage
{
Name = name,
Width = sourceImage.Width,
Height = sourceImage.Height,
};
SetImageCommonProperties(img, newEffect, parentImage, facePoints, isRgb, (xTop, yTop, xBottom, yBottom));
var fsPath = img.GetFileServerPath();
var fInfoDest = new FileInfo(fsPath);
if (!fInfoDest.Directory.Exists)
{
fInfoDest.Directory.Create();
}
using (var writeStream = File.Create(fsPath))
{
sourceImage.SaveAsJpeg(writeStream, new JpegEncoder {
Quality = 100
});
}
return(await Task.FromResult(img).ConfigureAwait(false));
}
public static async Task <BaseImage> CreateAsync(string fileName, Effect newEffect = null, BaseImage parentImage = null, bool copyToFileServer = true, IEnumerable <Vector2> facePoints = null,
bool isRgb = true, int?xTop = null, int?yTop = null, int?xBottom = null, int?yBottom = null)
{
var fInfo = new FileInfo(fileName);
BaseImage img = new BaseImage
{
Name = fInfo.Name,
};
img.GetDimensions(fileName);
SetImageCommonProperties(img, newEffect, parentImage, facePoints, isRgb, (xTop, yTop, xBottom, yBottom));
if (copyToFileServer)
{
var fsPath = img.GetFileServerPath();
var fInfoDest = new FileInfo(fsPath);
if (!fInfoDest.Directory.Exists)
{
fInfoDest.Directory.Create();
}
using (var readStream = File.OpenRead(fileName))
using (var writeStream = File.Create(fsPath))
{
await readStream.CopyToAsync(writeStream).ConfigureAwait(false);
}
}
return(img);
}
