private void MoveStep(int line)
{
if (stepLength == 0)
{
stepLine = line;
}
else if (stepLine < line)
{
while (stepLine < line)
{
stepLine++;
PerLine data = perLineData[stepLine];
data.Start += stepLength;
perLineData[stepLine] = data;
}
}
else if (stepLine > line)
{
while (stepLine > line)
{
PerLine data = perLineData[stepLine];
data.Start -= stepLength;
perLineData[stepLine] = data;
stepLine--;
}
}
}
/// <summary>
/// Tracks a new line with the given CHARACTER length.
/// </summary>
private void InsertPerLine(int index, int length = 0)
{
MoveStep(index);
PerLine data;
var lineStart = 0;
// Add the new line length to the existing line start
data = perLineData[index];
lineStart = data.Start;
data.Start += length;
perLineData[index] = data;
// Insert the new line
data = new PerLine {
Start = lineStart
};
perLineData.Insert(index, data);
// Move the step
stepLength += length;
stepLine++;
}
