private static int FindFoldTextPosition_CharacterTrim(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, float maxWidth)
{
string text = run.Text;
int[] logicalWidths = run.GetLogicalWidths(hdc, fontCache);
int i = 0;
for (int num = 0; i < text.Length && (float)(num + logicalWidths[i]) <= maxWidth; i++)
{
num += logicalWidths[i];
}
return(i);
}
private static int FindWidthToBreakPosition(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, float maxWidth, out int width)
{
string text = run.Text;
int[] logicalWidths = run.GetLogicalWidths(hdc, fontCache);
int i = 0;
for (width = 0; i < text.Length && ((float)(width + logicalWidths[i]) <= maxWidth || (!run.ScriptLogAttr[i].IsWhiteSpace && !run.ScriptLogAttr[i].IsSoftBreak)); i++)
{
width += logicalWidths[i];
}
return(i);
}