public BitmapFont LoadFont(string fontName)
{
string bitmapFileName = Path.Combine(_fontsFolder, String.Format(@"{0}.png", fontName));
string bitmapAlphaFileName = Path.Combine(_fontsFolder, String.Format(@"_{0}.png", fontName));
string definitionFileName = Path.Combine(_fontsFolder, String.Format(@"{0}.txt", fontName));
_logger.Debug(
"Loading font - fontname={0}, filename={1}, alphafilename={2}, definitionfilename={3}",
fontName,
bitmapFileName,
bitmapAlphaFileName,
definitionFileName);
if (!File.Exists(bitmapFileName))
{
throw new FileNotFoundException(bitmapFileName);
}
if (!File.Exists(definitionFileName))
{
throw new FileNotFoundException(definitionFileName);
}
var bitmap = new Image<Bgra, byte>(bitmapFileName);
var alphaBitmap = new Image<Bgra, byte>(bitmapAlphaFileName);
var font = new BitmapFont { Bitmap = bitmap.CombineAlpha(alphaBitmap) };
var definition = File.ReadAllText(definitionFileName, Encoding.GetEncoding(1252));
var definesRegex = new Regex(@"Define.*?\);", RegexOptions.Singleline);
var matches = definesRegex.Matches(definition).OfType<Match>().ToList();
var charList = matches.First(x => x.Value.Contains("CharList")).Value;
var widthList = matches.First(x => x.Value.Contains("WidthList")).Value;
var rectList = matches.First(x => x.Value.Contains("RectList")).Value;
var offsetList = matches.First(x => x.Value.Contains("OffsetList")).Value;
AddCharList(font, charList);
AddWidthList(font, widthList);
AddRectList(font, rectList);
AddOffsetList(font, offsetList);
font.Ascent = Int32.Parse(new Regex(@"LayerSetAscent .*?(\d+?);").Match(definition).Groups[1].Value);
int spaceWidth = Int32.Parse(new Regex(@"LayerSetCharWidths\s+Main\s\(' '\) \((\d+?)\);").Match(definition).Groups[1].Value);
font.Characters.Add(new FontCharacter { Character = ' ', Width = spaceWidth, Rectangle = new Rectangle(0, 0, spaceWidth, 0) });
return font;
}