// creates PGM image object to flip
private Image createFlippedImage()
{
var flippedImage = new PGM();
flippedImage.magicNumber = this.magicNumber;
flippedImage.depth = this.depth;
// flipping image will keep number of columns and number of rows as is.
flippedImage.rows = this.rows;
flippedImage.columns = this.columns;
flippedImage.pixels = new string[rows, columns];
return flippedImage;
}
// create PGM image object to rotate
private Image createRotateImage()
{
var rotateImage = new PGM();
rotateImage.magicNumber = this.magicNumber;
rotateImage.depth = this.depth;
// rotating image will switch number of columns to number of rows and number of rows to number of columns
rotateImage.rows = this.columns;
rotateImage.columns = this.rows;
rotateImage.pixels = new string[columns, rows];
return rotateImage;
}
private static void ProcessPGMMenu()
{
var pgm = new PGM();
pgm.open(string.Format("{0}\\{1}", ConfigurationManager.AppSettings["PGMFileDirectory"], ConfigurationManager.AppSettings["PGMSourceFile"]));
ConsoleKeyInfo cki;
var file = string.Empty;
do
{
DisplayPGMMenu();
cki = Console.ReadKey(false);
switch (cki.KeyChar.ToString())
{
case "1":
file = pgm
.rotateRight()
.save("PGM-RightRotated");
Console.WriteLine(string.Format("{0} PGM file created with Right rotation.", file));
break;
case "2":
file = pgm
.rotateLeft()
.save("PGM-LeftRotated");
Console.WriteLine(string.Format("{0} PGM file created with Left rotation.", file));
break;
case "3":
file = pgm
.flipVertical()
.save("PGM-VerticalFlipped");
Console.WriteLine(string.Format("{0} PGM file created by filipping vertically.", file));
break;
case "4":
file = pgm
.flipHorizontal()
.save("PGM-HorizontalFlipped");
Console.WriteLine(string.Format("{0} PGM file created by flipping horizontally.", file));
break;
default:
if (cki.Key == ConsoleKey.Escape)
{
Console.WriteLine("\nReturning back to main menu.");
}
else
{
Console.WriteLine("Unkonwn menu option entered.");
}
break;
}
} while (cki.Key != ConsoleKey.Escape);
}
