/// <summary>
/// Deserializes the given string into a ConsoleBitmap
/// </summary>
/// <param name="s">the serialized string</param>
/// <returns>the deserialized image</returns>
public static ConsoleBitmap Deserialize(string s)
{
if (string.IsNullOrWhiteSpace(s))
{
throw new ArgumentNullException("s cannot be null or whitespace");
}
var lines = s.Replace("\r\n", "\n").Replace("\r", "\n").Split('\n').Where(l => string.IsNullOrEmpty(l) == false).ToArray();
var width = lines[0].LastIndexOf("#") - 1; // minus 1 for the hashes that surround the image
if (width < 0)
{
throw new FormatException("Tab hash not found at line 1");
}
int height = FindHeight(lines);
var valueLines = lines.Skip(1).Take(height).ToArray();
var pallateLines = lines.Skip(height + 2).ToArray();
var pallate = ColorPallate.Deserialize(pallateLines);
var defaultPallateColorCode = pallate.EnumeratePallate()[0].Key;
var ret = new ConsoleBitmap(width, height);
for (var lineIndex = 0; lineIndex < valueLines.Length; lineIndex++)
{
var line = valueLines[lineIndex].Substring(1); // substring removes the leading hash
var values = line.Substring(0, width);
var colors = line.Substring(width + 1).Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries); // width + 1 to remove trailing hash
for (var x = 0; x < width; x++)
{
var character = line[x];
// Conditional statement below allows text that doesn't have the color informatio to be serialized.
// This is really useful since you want to be able to sketch your image in a normal text editor without having to
// format the colors by hand. By leaving the color information out of your sketch (still surrounded with hashes) you
// can import that image and then serialize it out. On the way out the serializer will add default colors for you.
// You can then happily edit from there.
var colorCode = colors.Length == width?int.Parse(colors[x]) : defaultPallateColorCode;
var lookedUp = pallate.Lookup(colorCode);
ret.Pixels[x][lineIndex] = new ConsoleCharacter(character, lookedUp.ForegroundColor, lookedUp.BackgroundColor);
}
}
return(ret);
}
/// <summary>
/// Serializes the given bitmap into a string that will visually look like the given bitmap, with color information
/// included in the output
/// </summary>
/// <param name="bmp">the image to serialize</param>
/// <returns>the serialized image as a string</returns>
public static string Serialize(ConsoleBitmap bmp)
{
var pallate = ColorPallate.FromBitmap(bmp);
var ret = "";
// horizontal line of hashes
var bar = "";
for (var x = 0; x < bmp.Width + 2; x++)
{
bar += "#";
}
ret += $"{bar}\n";
for (var y = 0; y < bmp.Height; y++)
{
var visuals = "#";
var colors = "# ";
for (var x = 0; x < bmp.Width; x++)
{
var pix = bmp.GetPixel(x, y);
var fg = pix.ForegroundColor;
var bg = pix.BackgroundColor;
var val = pix.Value;
visuals += val;
colors += pallate.LookupFormatted(fg, bg);
if (x < bmp.Width - 1)
{
colors += " ";
}
}
ret += visuals + colors + "\n";
}
// horizontal line of hashes
ret += $"{bar}\n";
ret += pallate.Serialize();
return(ret);
}
