public void ShouldThrowExceptionWhenPointDColorIsNull()
{
Assert.Throws <ArgumentNullException>("color", () =>
{
using (var image = new MagickImage(MagickColors.White, 2, 2))
{
image.FloodFill((MagickColor)null, default);
}
public void ShouldThrowExceptionWhenColorIsNull()
{
ExceptionAssert.ThrowsArgumentNullException("color", () =>
{
using (IMagickImage image = new MagickImage(MagickColors.White, 2, 2))
{
image.FloodFill((MagickColor)null, 0, 0);
}
});
}
public static async Task ExtractAlpha(string inputDir, string outputDir, bool print = true, bool setProgress = true, bool removeInputAlpha = true)
{
try
{
var files = IOUtils.GetFilesSorted(inputDir);
if (print)
{
Logger.Log($"Extracting alpha channel from images...");
}
Directory.CreateDirectory(outputDir);
Stopwatch sw = new Stopwatch();
sw.Restart();
int counter = 0;
foreach (string file in files)
{
MagickImage alphaImg = new MagickImage(file);
if (removeInputAlpha)
{
MagickImage rgbImg = alphaImg;
rgbImg.Format = MagickFormat.Png24;
rgbImg.Quality = 10;
MagickImage bg = new MagickImage(MagickColors.Black, rgbImg.Width, rgbImg.Height);
bg.Composite(rgbImg, CompositeOperator.Over);
rgbImg = bg;
rgbImg.Write(file);
}
alphaImg.Format = MagickFormat.Png24;
alphaImg.Quality = 10;
alphaImg.FloodFill(MagickColors.None, 0, 0); // Fill the image with a transparent background
alphaImg.InverseOpaque(MagickColors.None, MagickColors.White); // Change all the pixels that are not transparent to white.
alphaImg.ColorAlpha(MagickColors.Black); // Change the transparent pixels to black.
string outPath = Path.Combine(outputDir, Path.GetFileName(file));
alphaImg.Write(outPath);
counter++;
if (sw.ElapsedMilliseconds > 250)
{
if (setProgress)
{
Program.mainForm.SetProgress((int)Math.Round(((float)counter / files.Length) * 100f));
}
await Task.Delay(1);
sw.Restart();
}
}
}
catch (Exception e)
{
Logger.Log("ExtractAlpha Error: " + e.Message);
}
}
/// <summary>
/// Method to perform file modification using Magick.Net
/// </summary>
/// <returns>Path to the new file ( modified )</returns>
public async Task <DefaultServiceResponse> ModifyFile(ModifyModel model)
{
// Get last uploaded photo by the customer
var lastUploadedImageName = DataContext.CustomerImageFiles.ToList().Where(imageFile => imageFile.CustomerId == model.UserId).OrderByDescending(orderBy => orderBy.UploadTime).Select(response => response.FullName);
var intesivity = model.Intesivity;
var editedFileName = "";
using (var image = new MagickImage(lastUploadedImageName.First()))
{
switch (model.SelectedOperation)
{
case "CycleColorMap":
image.CycleColormap(intesivity);
break;
case "FloodFill":
image.FloodFill(10, 10, 10);
break;
case "Flop":
image.Flop();
break;
case "GammaCorrect":
image.GammaCorrect(intesivity); // gramma
break;
case "GausiianBlur":
image.GaussianBlur(intesivity, intesivity); // double radius + double sigma
break;
case "MedianFilter":
image.MedianFilter(intesivity); // radius
break;
case "MotionBlur":
image.MotionBlur(10, 10, 10);
break;
case "Negate":
image.Negate(); // simple negate
break;
default:
break;
}
if (model.UseFrame)
{
image.Border(7, 7);
}
editedFileName = lastUploadedImageName.First().Replace(Path.GetFileNameWithoutExtension(lastUploadedImageName.First()), Path.GetFileNameWithoutExtension(lastUploadedImageName.First()) + "_modified").Replace(Path.GetExtension(lastUploadedImageName.First()), "." + model.OutputFileType.ToLower());
using (File.Create(editedFileName))
image.Write(editedFileName);
}
// Save file to the DB
var originalImageId = DataContext.CustomerImageFiles.Where(imageData => imageData.CustomerId == model.UserId && imageData.FullName.Contains(Path.GetFileNameWithoutExtension(lastUploadedImageName.First()))).Select(result => result.Id).First();
await DataContext.CustomerEditedImageFiles.AddAsync(new ResultImageFIleModel
{
Id = new Guid(),
CustomerId = model.UserId,
FullName = editedFileName,
OriginalImageId = originalImageId.ToString(),
UploadTime = DateTime.Now
});
await DataContext.SaveChangesAsync();
return(new DefaultServiceResponse {
ResponseData = "../" + Path.Combine("CustomersImages", Path.GetFileName(editedFileName))
});
}