private static void WriteAsciiInColorStyled(string trailer, StyledString target, StyleSheet styleSheet)
{
var annotator = new TextAnnotator(styleSheet);
var annotationMap =
annotator.GetAnnotationMap(target
.AbstractValue); // Should eventually be target.AsStyledString() everywhere...?
PopulateColorGeometry(annotationMap, target);
MapToScreen(target, trailer);
}
public StyledString ToAscii(string value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (Encoding.UTF8.GetByteCount(value) != value.Length)
{
throw new ArgumentException("String contains non-ascii characters");
}
var stringBuilder = new StringBuilder();
var stringWidth = GetStringWidth(font, value);
var characterGeometry = new char[font.Height + 1, stringWidth];
var characterIndexGeometry = new int[font.Height + 1, stringWidth];
var colorGeometry = new Color[font.Height + 1, stringWidth];
for (var line = 1; line <= font.Height; line++)
{
var runningWidthTotal = 0;
for (var c = 0; c < value.Length; c++)
{
var character = value[c];
var fragment = GetCharacter(font, character, line);
stringBuilder.Append(fragment);
CalculateCharacterGeometries(fragment, c, runningWidthTotal, line, characterGeometry,
characterIndexGeometry);
runningWidthTotal += fragment.Length;
}
stringBuilder.AppendLine();
}
var styledString = new StyledString(value, stringBuilder.ToString());
styledString.CharacterGeometry = characterGeometry;
styledString.CharacterIndexGeometry = characterIndexGeometry;
styledString.ColorGeometry = colorGeometry;
return(styledString);
}
private static void MapToScreen(StyledString styledString, string trailer)
{
var oldSystemColor = System.Console.ForegroundColor;
var rowLength = styledString.CharacterGeometry.GetLength(0);
var columnLength = styledString.CharacterGeometry.GetLength(1);
for (var row = 0; row < rowLength; row++)
for (var column = 0; column < columnLength; column++)
{
System.Console.ForegroundColor = colorManager.GetConsoleColor(styledString.ColorGeometry[row, column]);
if (row == rowLength - 1 && column == columnLength - 1)
System.Console.Write(styledString.CharacterGeometry[row, column] + trailer);
else if (column == columnLength - 1)
System.Console.Write(styledString.CharacterGeometry[row, column] + "\r\n");
else
System.Console.Write(styledString.CharacterGeometry[row, column]);
}
System.Console.ForegroundColor = oldSystemColor;
}
private static void PopulateColorGeometry(IEnumerable<KeyValuePair<string, Color>> annotationMap,
StyledString target)
{
var abstractCharCount = 0;
foreach (var fragment in annotationMap)
for (var i = 0; i < fragment.Key.Length; i++)
{
// This will run O(n^2) times...but with DP, could be O(n).
// Just need to keep a third array that keeps track of each abstract char's width, so you never iterate past that.
// This third array would be one-dimensional.
var rowLength = target.CharacterIndexGeometry.GetLength(0);
var columnLength = target.CharacterIndexGeometry.GetLength(1);
for (var row = 0; row < rowLength; row++)
for (var column = 0; column < columnLength; column++)
if (target.CharacterIndexGeometry[row, column] == abstractCharCount)
target.ColorGeometry[row, column] = fragment.Value;
abstractCharCount++;
}
}
public static void WriteLineStyled(StyledString value, StyleSheet styleSheet)
{
WriteAsciiInColorStyled(WRITELINE_TRAILER, value, styleSheet);
}