private TextLine MakeTextLineOnRange(int startPos, int limitPos)
{
int[] charsLtoV = null;
sbyte[] charLevels = null;
if (FBidi != null)
{
Bidi lineBidi = FBidi.CreateLineBidi(startPos, limitPos);
charLevels = BidiUtils.getLevels(lineBidi);
int[] charsVtoL = BidiUtils.createVisualToLogicalMap(charLevels);
charsLtoV = BidiUtils.createInverseMap(charsVtoL);
}
TextLineComponent[] components = MakeComponentsOnRange(startPos, limitPos);
return(new TextLine(FFrc, components, FBaselineOffsets, FChars, startPos, limitPos, charsLtoV, charLevels, FIsDirectionLTR));
}
/// <summary>
/// Generate components for the paragraph. fChars, fBidi should have been
/// initialized already.
/// </summary>
private void GenerateComponents(int startingAt, int endingAt)
{
if (CollectStats)
{
FormattedChars += (endingAt - startingAt);
}
int layoutFlags = 0; // no extra info yet, bidi determines run and line direction
TextLabelFactory factory = new TextLabelFactory(FFrc, FChars, FBidi, layoutFlags);
int[] charsLtoV = null;
if (FBidi != null)
{
FLevels = BidiUtils.getLevels(FBidi);
int[] charsVtoL = BidiUtils.createVisualToLogicalMap(FLevels);
charsLtoV = BidiUtils.createInverseMap(charsVtoL);
FIsDirectionLTR = FBidi.BaseIsLeftToRight();
}
else
{
FLevels = null;
FIsDirectionLTR = true;
}
try
{
FComponents = TextLine.GetComponents(FParagraph, FChars, startingAt, endingAt, charsLtoV, FLevels, factory);
}
catch (IllegalArgumentException e)
{
System.Console.WriteLine("startingAt=" + startingAt + "; endingAt=" + endingAt);
System.Console.WriteLine("fComponentLimit=" + FComponentLimit);
throw e;
}
FComponentStart = startingAt;
FComponentLimit = endingAt;
//debugFormatCount += (endingAt-startingAt);
}