public TerminalChanges GetChanges()
{
// get changed lines in buffer to the context (console or terminal)
var changes = new TerminalChanges();
var xs = 0;
var ys = 0;
while (ys < CurrentBuffer.Height)
{
if (IsLineChanged(CurrentBuffer, LastBuffer, ys))
{
var line = changes.AddLine(ys);
xs = 0;
var str = new System.Text.StringBuilder();
var cur_fore = CurrentBuffer[xs, ys].ForeColor;
var cur_back = CurrentBuffer[xs, ys].BackColor;
var cur_x = 0;
while (xs < CurrentBuffer.Width)
{
var buf_char = CurrentBuffer[xs, ys];
if (buf_char.ForeColor != cur_fore || buf_char.BackColor != cur_back)
{
line.AddSpan(str.ToString(), cur_fore, cur_back, cur_x);
str = new System.Text.StringBuilder();
cur_fore = buf_char.ForeColor;
cur_back = buf_char.BackColor;
cur_x = xs;
}
str.Append(buf_char.Ch);
xs += 1;
}
line.AddSpan(str.ToString(), cur_fore, cur_back, cur_x);
}
ys += 1;
}
return(changes);
}
public abstract void SubmitChanges(TerminalChanges changes);
