private static void SetGrayscale(PictureParameters picture)
{
//find the average of them(a, r, g, b)
int avg = (picture.ARGB_r + picture.ARGB_g + picture.ARGB_b) / 3;
//set a new pixel value for them:
picture.Picture.SetPixel(picture.positionX, picture.positionY, Color.FromArgb(picture.ARGB_a, avg, avg, avg));
}
private static void SetNegative(PictureParameters picture)
{
picture.ARGB_r = 255 - picture.ARGB_r;
picture.ARGB_g = 255 - picture.ARGB_g;
picture.ARGB_b = 255 - picture.ARGB_b;
//set a new pixel value for them:
picture.Picture.SetPixel(picture.positionX, picture.positionY, Color.FromArgb(picture.ARGB_a, picture.ARGB_r, picture.ARGB_g, picture.ARGB_b));
}
private static void SetBluescale(PictureParameters picture)
{
//set a new pixel value for them:
picture.Picture.SetPixel(picture.positionX, picture.positionY, Color.FromArgb(picture.ARGB_a, 0, 0, picture.ARGB_b));
}
static void Main(string[] args)
{
bool keepWorking = true;
while (keepWorking == true)
{
Console.Clear();
Console.WriteLine("Hey there! :)");
Console.WriteLine();
Console.WriteLine("Please, insert the path of the image that you would like to change the colors:");
Console.WriteLine();
Console.WriteLine();
ConsoleColor aux = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(@"e.g. -> path: C:\Users\Joaquim\Downloads\YOUR_PICTURE.JPEG");
Console.ForegroundColor = aux;
Console.WriteLine();
Console.WriteLine();
//Receive the path
Console.Write("path: ");
var path = Console.ReadLine();
try
{
//Read the image and check the path:
Bitmap bmp = new Bitmap(path);
Console.Clear();
Console.WriteLine("Alright! And now...What kind of color changing do you prefer?");
Console.WriteLine();
Console.WriteLine("Type the number of your choice:");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("#1 - Grayscale");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("#2 - Red");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("#3 - Green");
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("#4 - Blue");
Console.BackgroundColor = ConsoleColor.White;
Console.ForegroundColor = ConsoleColor.Black;
Console.WriteLine("#5 - Negative");
Console.ResetColor();
Console.WriteLine();
Console.Write("Your choice is: ");
var option = Console.ReadLine();
Console.Clear();
//Get the imagem dimensions
int witdh = bmp.Width;
int height = bmp.Height;
//Pixel color
Color p;
//Set standard status message after export file
Messages messages = new Messages();
string finalMessage = messages.successfulMessage;
//starting pixel setting...
for (int y = 0; y < height; y++)
{
for (int x = 0; x < witdh; x++)
{
//get pixel value
p = bmp.GetPixel(x, y);
//extract each pixel component ARGB
int a = p.A;
int r = p.R;
int g = p.G;
int b = p.B;
PictureParameters pic = new PictureParameters(bmp, x, y, a, r, g, b);
//#1 - Grayscale
if (option == "1")
{
SetGrayscale(pic);
}
//#2 - Red
else if (option == "2")
{
SetRedscale(pic);
}
//#3 - Green
else if (option == "3")
{
SetGreenscale(pic);
}
//#4 - Blue
else if (option == "4")
{
SetBluescale(pic);
}
//#5 - Negative
else if (option == "5")
{
SetNegative(pic);
}
else
{
finalMessage = messages.errorMessage;
}
}
}
if (finalMessage == messages.successfulMessage)
{
//Asking about file name:
Console.WriteLine("The file will be exported to the same file's original path.");
Console.WriteLine();
Console.WriteLine("Almost there! Please, just write the file's name: ");
Console.Write("File's name: ");
var fileName = Console.ReadLine();
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Just wait, please...");
//Export file
ExportFile(bmp, path, fileName);
}
//Return status and finish task!
Console.WriteLine(finalMessage);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Would you like to try with another one?");
Console.WriteLine("Type 'y' to yes and anything else to 'no':");
var answer = Console.ReadLine();
if (answer != "y")
{
keepWorking = false;
}
}
catch (Exception e)
{
Console.WriteLine("Oups! There is an error here:");
Console.WriteLine(e.Message);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Would you like to try again?");
Console.WriteLine("Type 'y' to yes and anything else to 'no':");
var answer = Console.ReadLine();
if (answer != "y")
{
keepWorking = false;
}
}
}
}
