/// <summary>
/// Initialise convex calculator with strategies of image loading,
/// convex hull find, output and executes all this actions
/// </summary>
/// <param name="openImage">Strategy of image loading</param>
/// <param name="convexHullScan">Strategy of convex hull find</param>
/// <param name="output">Strategy of output</param>
public ConvexHullControl(IOpenImage openImage,
IConvexHullScan convexHullScan, IOutput output = null)
{
Contract.Requires(OpenImage != null);
Contract.Requires(ConvexHullScan != null);
OpenImage = openImage ?? throw new ArgumentNullException(nameof(openImage));
ConvexHullScan = convexHullScan ?? throw new ArgumentNullException(nameof(convexHullScan));
Output = output;
try
{
SourcePoints = OpenImage.OpenImage();
Output?.OutputPoints(SourcePoints);
}
catch (Exception e)
{
throw new Exception("The image loading failed", e);
}
try
{
ConvexHull = ConvexHullScan.ConvexHullScan(SourcePoints);
Output?.OutputHull(ConvexHull);
}
catch (Exception e)
{
throw new Exception("The convex hull scan failed", e);
}
}
/// <summary>
/// Main method, that activates convex hull scan
/// File start.bat passes names of input and output files
/// </summary>
/// <param name="args">Input png file with black points on white background (if not exists - points will be generated),
/// Output file (txt file in which will be recorded the points and the convex hull)</param>
public static void Main(string[] args)
{
IOpenImage open = GetOpenFileStrategy(args);
IConvexHullScan scan = new JarvisMatch();
IOutput output = GetOutputStrategy(args);
Console.WriteLine("Processing started...");
try
{
new ConvexHullControl(open, scan, output);
}
catch (Exception e)
{
Console.WriteLine($"An error has occured: {e.Message}");
}
Console.WriteLine("Processing is over. Press Enter to exit.");
Console.ReadLine();
}
