private static int ComputeSpacesBefore(int textWidth, int width, ConsoleTextAlignment alignment)
{
return(alignment switch
{
ConsoleTextAlignment.Right => width - textWidth,
ConsoleTextAlignment.Center => (int)Math.Ceiling((double)((width - textWidth) / 2)),
_ => 0
});
/// <summary>
/// Draws a pattern on the console, each non-space caracter being replaced by the color provided
/// </summary>
/// <param name="pattern"></param>
/// <param name="color"></param>
/// <param name="alignment"></param>
public static void DrawPattern(string pattern, ConsoleColor color, ConsoleTextAlignment alignment = ConsoleTextAlignment.Left)
{
DrawPattern(pattern, (c) =>
{
if (c != ' ')
{
return(color);
}
return(null);
}, alignment);
}
/// <summary>
/// Writes a line of text or multilined text with colouring and alignment.<br/>
/// Important : for multiline text use the constant : <code>Environment.NewLine</code>
/// </summary>
/// <example>
/// <code>
/// ConsoleExtended("First line" + Environment.NewLine + "Second line", ConsoleTextAlignment.Center);
/// </code>
/// </example>
/// <param name="line">The line of text to write</param>
/// <param name="alignment">The text alignment expected</param>
/// <param name="backgroundColor">The color of the console background for the text</param>
/// <param name="foregroundColor">The color of the foreground for the text</param>
/// <param name="fill">True to fill the whole line with the background color</param>
public static void WriteLine(string line, ConsoleTextAlignment alignment = ConsoleTextAlignment.Left, ConsoleColor?backgroundColor = null, ConsoleColor?foregroundColor = null, bool fill = false)
{
if (line.Contains(Environment.NewLine))
{
foreach (var chunk in line.Split(Environment.NewLine))
{
WriteLine(chunk, alignment, backgroundColor, foregroundColor, fill);
}
return;
}
var baseBackgroundColor = Console.BackgroundColor;
var baseForegroundColor = Console.ForegroundColor;
var width = Console.WindowWidth;
var spaces = ComputeSpacesBefore(line.Length, width, alignment);
var textBackgroundColor = backgroundColor ?? baseBackgroundColor;
var textForegroundColor = foregroundColor ?? baseForegroundColor;
var spacesColor = fill ? textBackgroundColor : baseBackgroundColor;
if (spaces >= 0)
{
Console.BackgroundColor = spacesColor;
Console.Write(new string(' ', spaces));
Console.BackgroundColor = textBackgroundColor;
Console.ForegroundColor = textForegroundColor;
Console.Write(line);
Console.BackgroundColor = spacesColor;
Console.WriteLine(new string(' ', spaces));
Console.BackgroundColor = baseBackgroundColor;
Console.ForegroundColor = baseForegroundColor;
}
else
{
foreach (var chunk in line.ToChunks(width, true))
{
DoWriteString(chunk, width, alignment, backgroundColor, foregroundColor, fill);
}
}
}
/// <summary>
/// Draw a pattern in the console, with a dictionnary providing the different colors for each caracter in the pattern
/// </summary>
/// <param name="pattern"></param>
/// <param name="mappings"></param>
/// <param name="alignment"></param>
public static void DrawPattern(string pattern, Dictionary <char, ConsoleColor?> mappings, ConsoleTextAlignment alignment = ConsoleTextAlignment.Left)
{
DrawPattern(pattern, (c) =>
{
if (mappings.TryGetValue(c, out ConsoleColor? color))
{
return(color);
}
return(null);
}, alignment);
}
/// <summary>
/// Draws a pattern on the console. The pattern is composed of chars corresponding to different colors
/// </summary>
/// <param name="pattern"></param>
/// <param name="charMapper">Maps each char to a color</param>
/// <param name="alignment"></param>
public static void DrawPattern(string pattern, Func <char, ConsoleColor?> charMapper, ConsoleTextAlignment alignment = ConsoleTextAlignment.Left)
{
var defaultColor = Console.BackgroundColor;
var lines = pattern.Split(Environment.NewLine.ToCharArray()).Where(l => !string.IsNullOrEmpty(l)).ToList();
var spaces = ComputeSpacesBefore(lines.Select(l => l.Length).Max(), Console.WindowWidth, alignment);
foreach (var line in lines)
{
Console.BackgroundColor = defaultColor;
Console.Write(new String(' ', spaces));
foreach (var c in line)
{
var color = charMapper(c);
Console.BackgroundColor = color ?? defaultColor;
Console.Write(" ");
Console.BackgroundColor = defaultColor;
}
Console.WriteLine("");
}
Console.BackgroundColor = defaultColor;
}
