public IList <ImageFile> GetImageFileListFromFolder(string folderPath)
{
IList <ImageFile> result = new List <ImageFile>();
try
{
//search all subfolders for files and return new FileInfo object
var directoryFiles = Directory
.EnumerateFiles(folderPath, "*", SearchOption.AllDirectories)
.Where(f => _imageExts.Any(x => f.ToLower().EndsWith(x.ToLower())))
.Select(x => new FileInfo(x))
;
foreach (var file in directoryFiles)
{
var theImage = _imageManager.CreateBitmapFromFilePath(file.FullName);
result.Add(new ImageFile()
{
Name = file.Name,
FullPath = file.DirectoryName,
Image = theImage
});
}
return(result);
}
catch (Exception e)
{
_consolePrinter.PrintError("There was an error reading the folder", e);
throw;
}
}
public void Start()
{
_consolePrinter.PrintWelcomeMessage();
var filesNotRead = true;
//Get input from user
while (filesNotRead)
{
try
{
var folderPath = _consolePrinter.GetEntryFromUser(
"Please enter the location of the merged and duplicated photos, or Q and enter to quit \r\n\nEg c:\\merged photos\\ "
);
if (folderPath.ToLower() == "q")
{
Stop();
}
var folderExists = _fileManager.DoesFolderExist(folderPath);
while (!folderExists)
{
//Get valid input from user
folderPath = _consolePrinter.GetEntryFromUser("The folder entered was not found, please check and try again, or press Q and enter to quit"
);
if (folderPath.ToLower() == "q")
{
Stop();
}
folderExists = _fileManager.DoesFolderExist(folderPath);
}
_consolePrinter.PrintMessage(
"Starting read of folder and sub folders, any import errors will be listed below, but not stop the process\r\n"
);
var files = _fileManager.GetImageFileListFromFolder(folderPath);
filesNotRead = false;
var fileCount = files.Count;
var userNotResponded = true;
while (userNotResponded)
{
var response = _consolePrinter.GetEntryFromUser(
"\r\n" +
$"{fileCount:##,###}" +
" files have been found, high file counts can take a long time to sort for duplicates and will impede your system performance ! \r\nDo you want to continue ? (Y\\N)"
);
if (response.ToLower() == "y" || response.ToLower() == "n")
{
userNotResponded = false;
if (response.ToLower() == "y")
{
var duplicates = FindImages(_imageManager, files);
DisplayDuplicates(duplicates);
}
}
}
}
catch (Exception e)
{
_consolePrinter.PrintError("", e);
}
}
_consolePrinter.PrintMessage("Good bye!");
}
public int CompareTwoImages(Bitmap inputImageOne, Bitmap inputImageTwo)
{
//Adapted from https://stackoverflow.com/a/21790555/3749506
if (inputImageOne == null || inputImageTwo == null)
{
return(ErrorCode);
}
try
{
Bitmap imageOne;
Bitmap imageTwo;
// lock objects for multi threading
lock (inputImageOne)
{
imageOne = new Bitmap(inputImageOne, new Size(128, 128));
}
lock (inputImageTwo)
{
imageTwo = new Bitmap(inputImageTwo, new Size(128, 128));
}
//Create / merge images to the same height/width
int imageOneSize = imageOne.Width * imageOne.Height;
int imageTwoSize = imageTwo.Width * imageTwo.Height;
Bitmap imageThree;
if (imageOneSize > imageTwoSize)
{
imageOne = new Bitmap(imageOne, imageTwo.Size);
imageThree = new Bitmap(imageTwo.Width, imageTwo.Height);
}
else
{
imageOne = new Bitmap(imageOne, imageTwo.Size);
imageThree = new Bitmap(imageTwo.Width, imageTwo.Height);
}
//compare pixels for similarity
for (int x = 0; x < imageOne.Width; x++)
{
for (int y = 0; y < imageOne.Height; y++)
{
Color colorOne = imageOne.GetPixel(x, y);
Color colorTwo = imageTwo.GetPixel(x, y);
int r = colorOne.R > colorTwo.R ? colorOne.R - colorTwo.R : colorTwo.R - colorOne.R;
int g = colorOne.G > colorTwo.G ? colorOne.G - colorTwo.G : colorTwo.G - colorOne.G;
int b = colorOne.B > colorTwo.B ? colorOne.B - colorTwo.B : colorTwo.B - colorOne.B;
imageThree.SetPixel(x, y, Color.FromArgb(r, g, b));
}
}
var difference = 0;
for (var x = 0; x < imageOne.Width; x++)
{
for (var y = 0; y < imageOne.Height; y++)
{
var colorOne = imageThree.GetPixel(x, y);
var media = (colorOne.R + colorOne.G + colorOne.B) / 3;
if (media > Tolerance)
{
difference++;
}
}
}
//return likely hood they're the same
var usedSize = imageOneSize > imageTwoSize ? imageTwoSize : imageOneSize;
var result = difference * 100 / usedSize;
return(result);
}
catch (Exception e)
{
_consolePrinter.PrintError("Error comparing image files", e);
throw;
}
}