/// <summary>
/// Initializes a new instance for the given list of font families.
/// <para>
/// If more than one family is specified, the first family is used for metrics.
/// </para>
/// </summary>
/// <param name="fontFamilyList">The font families, separated by comma (syntax as in CSS).</param>
public FontMetrics(string fontFamilyList)
{
FontFamilyList = fontFamilyList;
FirstFontFamily = GetFirstFontFamily(fontFamilyList);
var family = FirstFontFamily.ToLowerInvariant();
short[] boldCharWidthx20x7F;
short[] boldCharWidthxA0xFF;
short boldCharDefaultWidth;
short boldCharNDashWidth;
if (family.Contains("arial"))
{
_charWidthx20x7F = CharWidthData.ArialNormal_20_7F;
_charWidthxA0xFF = CharWidthData.ArialNormal_A0_FF;
_charDefaultWidth = CharWidthData.ArialNormalDefaultWidth;
_charNDashWidth = CharWidthData.ArialNormalNDashWidth;
boldCharWidthx20x7F = CharWidthData.ArialBold_20_7F;
boldCharWidthxA0xFF = CharWidthData.ArialBold_A0_FF;
boldCharDefaultWidth = CharWidthData.ArialBoldDefaultWidth;
boldCharNDashWidth = CharWidthData.ArialBoldNDashWidth;
}
else if (family.Contains("liberation") && family.Contains("sans"))
{
_charWidthx20x7F = CharWidthData.LiberationSansNormal_20_7F;
_charWidthxA0xFF = CharWidthData.LiberationSansNormal_A0_FF;
_charDefaultWidth = CharWidthData.LiberationSansNormalDefaultWidth;
_charNDashWidth = CharWidthData.LiberationSansNormalNDashWidth;
boldCharWidthx20x7F = CharWidthData.LiberationSansBold_20_7F;
boldCharWidthxA0xFF = CharWidthData.LiberationSansBold_A0_FF;
boldCharDefaultWidth = CharWidthData.LiberationSansBoldDefaultWidth;
boldCharNDashWidth = CharWidthData.LiberationSansBoldNDashWidth;
}
else if (family.Contains("frutiger"))
{
_charWidthx20x7F = CharWidthData.FrutigerNormal_20_7F;
_charWidthxA0xFF = CharWidthData.FrutigerNormal_A0_FF;
_charDefaultWidth = CharWidthData.FrutigerNormalDefaultWidth;
_charNDashWidth = CharWidthData.FrutigerNormalNDashWidth;
boldCharWidthx20x7F = CharWidthData.FrutigerBold_20_7F;
boldCharWidthxA0xFF = CharWidthData.FrutigerBold_A0_FF;
boldCharDefaultWidth = CharWidthData.FrutigerBoldDefaultWidth;
boldCharNDashWidth = CharWidthData.FrutigerBoldNDashWidth;
}
else
{
_charWidthx20x7F = CharWidthData.HelveticaNormal_20_7F;
_charWidthxA0xFF = CharWidthData.HelveticaNormal_A0_FF;
_charDefaultWidth = CharWidthData.HelveticaNormalDefaultWidth;
_charNDashWidth = CharWidthData.HelveticaNormalNDashWidth;
boldCharWidthx20x7F = CharWidthData.HelveticaBold_20_7F;
boldCharWidthxA0xFF = CharWidthData.HelveticaBold_A0_FF;
boldCharDefaultWidth = CharWidthData.HelveticaBoldDefaultWidth;
boldCharNDashWidth = CharWidthData.HelveticaBoldNDashWidth;
}
_boldMetrics = new FontMetrics(boldCharWidthx20x7F, boldCharWidthxA0xFF, boldCharDefaultWidth, boldCharNDashWidth);
}
public ICollection <Typeface> GetTypefaces()
{
return(FirstFontFamily.GetTypefaces(_familyIdentifier));
}
internal double GetLineSpacingForDisplayMode(double emSize, double pixelsPerDip)
{
return(FirstFontFamily.LineSpacing(emSize, 1, pixelsPerDip, TextFormattingMode.Display));
}