public void ScriptLayout(Win32DCSafeHandle hdc, FontCache fontCache)
{
if (this.m_visualRuns == null)
{
int count = this.m_logicalRuns.Count;
if (count != 0)
{
byte[] array = new byte[count];
int[] array2 = new int[count];
for (int i = 0; i < count; i++)
{
array[i] = (byte)this.m_logicalRuns[i].ScriptAnalysis.s.uBidiLevel;
}
int num = Win32.ScriptLayout(count, array, null, array2);
if (Win32.Failed(num))
{
Marshal.ThrowExceptionForHR(num);
}
this.m_visualRuns = new List <TextRun>(count);
for (int j = 0; j < count; j++)
{
this.m_visualRuns.Add(null);
}
for (int k = 0; k < count; k++)
{
this.m_visualRuns[array2[k]] = this.m_logicalRuns[k];
}
int num2 = 0;
int l = -1;
for (int m = 0; m < count; m++)
{
TextRun textRun = this.m_visualRuns[m];
textRun.UnderlineHeight = 0;
if (textRun.TextRunProperties.TextDecoration == RPLFormat.TextDecorations.Underline)
{
if (l < 0)
{
l = m;
}
int height = textRun.GetHeight(hdc, fontCache);
if (height > num2)
{
num2 = height;
}
}
else if (l >= 0)
{
for (; l < m; l++)
{
this.m_visualRuns[l].UnderlineHeight = num2;
}
num2 = 0;
l = -1;
}
}
if (l >= 0)
{
for (; l < count; l++)
{
this.m_visualRuns[l].UnderlineHeight = num2;
}
}
}
}
}
