public static TKernedString[] KernString(string Text, int[] b, TKerningTable Kern, float UnitsPerEm)
{
if (b.Length <= 0)
{
return(new TKernedString[0]);
}
List <TKernedString> Result = new List <TKernedString>();
int LastPos = 0;
int pos = 1;
int LastK = 0;
while (pos < b.Length)
{
UInt32 key = MakeHash(b[pos], b[pos - 1]);
if (Kern != null && Kern.ContainsKey(key))
{
Result.Add(new TKernedString(LastK, Text.Substring(LastPos, pos - LastPos)));
LastK = (int)Math.Round(Kern[key] * 1000 / UnitsPerEm);
LastPos = pos;
}
pos++;
}
if (LastPos < b.Length)
{
Result.Add(new TKernedString(LastK, Text.Substring(LastPos, b.Length - LastPos)));
}
return(Result.ToArray());
}
public static float MeasureString(int[] b, int[] GlyphWidths, TKerningTable Kern, float UnitsPerEm, bool[] Ignore)
{
float Result = 0;
if (b.Length <= 0)
{
return(Result);
}
int si1 = b[0];
if (!Ignore[0])
{
Result += GlyphWidth(si1, GlyphWidths) * 1000 / UnitsPerEm;
}
for (int i = 1; i < b.Length; i++)
{
int si = b[i];
float k = 0;
UInt32 key = MakeHash(si1, si);
if (Kern != null && Kern.ContainsKey(key))
{
k = Kern[key] * 1000 / UnitsPerEm;
}
if (!Ignore[i])
{
Result += GlyphWidth(si, GlyphWidths) * 1000 / UnitsPerEm + k;
}
si1 = si;
}
return(Result);
}
