private void ParseKerningPair(ref ReadOnlySpan <char> line)
{
bool parsedFirst = false;
bool parsedSecond = false;
var kernPair = new BMFontKerningData();
while (line.Length > 0)
{
SkipWhitespace(ref line);
var tagName = ParseIdentifier(ref line, "kerning");
if (CheckTag(tagName, "first"))
{
kernPair.FirstChar = ParseIntTag(ref line, "first");
parsedFirst = true;
}
else if (CheckTag(tagName, "second"))
{
kernPair.SecondChar = ParseIntTag(ref line, "second");
parsedSecond = true;
}
else if (CheckTag(tagName, "amount"))
{
kernPair.AmountX = ParseIntTag(ref line, "amount");
}
else
{
throw new BMFontParseException(
string.Format("Unsupported tag \"{0}\" on line \"{1}\".",
tagName.ToString(),
currentLine
));
}
}
var pairVal = new RehashedValue <long> (BMFontInfo.GetKerningPairLong(kernPair.FirstChar, kernPair.SecondChar));
if (!parsedFirst)
{
throw new BMFontParseException($"Missing first char id on line {currentLine}.");
}
else if (!parsedSecond)
{
throw new BMFontParseException($"Missing second char id on line {currentLine}.");
}
else if (!kernPairs.TryAdd(pairVal, kernPair))
{
throw new BMFontParseException($"Duplicate kerning pair ({kernPair.FirstChar}, {kernPair.SecondChar}) on line {currentLine}.");
}
}
public bool TryGetKerningPair(int first, int second, out BMFontKerningData kernData)
{
return(kernPairsList.TryGetValue(new RehashedValue <long> (GetKerningPairLong(first, second)), out kernData));
}
