private void ParseTextStyleMappings()
{
parsedTextStyles = new Dictionary <string, CharFont[]>();
var textStyleMappings = rootElement.Element("TextStyleMappings");
if (textStyleMappings is null)
{
throw new InvalidOperationException("Cannot find TextStyleMappings element.");
}
foreach (var mappingElement in textStyleMappings.Elements("TextStyleMapping"))
{
var textStyleName = mappingElement.AttributeValue("name");
var charFonts = new CharFont[3];
foreach (var mapRangeElement in mappingElement.Elements("MapRange"))
{
var fontId = mapRangeElement.AttributeInt32Value("fontId");
var character = mapRangeElement.AttributeInt32Value("start");
var code = mapRangeElement.AttributeValue("code");
var codeMapping = rangeTypeMappings[code];
charFonts[codeMapping] = new CharFont((char)character, fontId);
}
parsedTextStyles.Add(textStyleName, charFonts);
}
}
private TexFontMetrics GetMetrics(CharFont charFont, double size)
{
var metrics = fontInfoList[charFont.FontId].GetMetrics(charFont.Character);
return(new TexFontMetrics(metrics[TexFontUtilities.MetricsWidth], metrics[TexFontUtilities.MetricsHeight],
metrics[TexFontUtilities.MetricsDepth], metrics[TexFontUtilities.MetricsItalic],
size * TexFontUtilities.PixelsPerPoint));
}
public CharFont GetLigature(CharFont leftCharFont, CharFont rightCharFont) =>
leftCharFont.FontId == rightCharFont.FontId
? fontInfoList[leftCharFont.FontId].GetLigature(leftCharFont.Character, rightCharFont.Character)
: null;
public double GetSkew(CharFont charFont, TexStyle style)
{
var skewChar = fontInfoList[charFont.FontId].SkewCharacter;
return(skewChar == 1 ? 0 : GetKern(charFont, new CharFont(skewChar, charFont.FontId), style));
}
public double GetKern(CharFont leftCharFont, CharFont rightCharFont, TexStyle style) =>
leftCharFont.FontId == rightCharFont.FontId
? fontInfoList[leftCharFont.FontId].GetKern(leftCharFont.Character, rightCharFont.Character,
GetSizeFactor(style) * TexFontUtilities.PixelsPerPoint)
: 0;
public CharInfo GetCharInfo(CharFont charFont, TexStyle style)
{
var size = GetSizeFactor(style);
return(new CharInfo(charFont.Character, fontInfoList[charFont.FontId].Font, size, charFont.FontId, GetMetrics(charFont, size)));
}
public void SetNextLarger(char character, char LargerCharacter, int LargerFont) => _NextLarger[character] = new CharFont(LargerCharacter, LargerFont);