/// <summary>
/// Copies text and attributes from another cell state content.
/// </summary>
/// <param name="cell">The cell.</param>
public void CopyFrom(ClosedCaptionsCellState cell)
{
Character = cell.Character;
Opacity = cell.Opacity;
Foreground = cell.Foreground;
Background = cell.Background;
IsUnderlined = cell.IsUnderlined;
IsItalics = cell.IsItalics;
}
/// <summary>
/// Takes the current state of the CC packet buffer and projects the visual properties
/// on to the CC visual grid of characters
/// </summary>
private void PaintBuffer()
{
TextBlock block = null;
ClosedCaptionsCellState cell = null;
Border border = null;
for (var r = 0; r < ClosedCaptionsBuffer.RowCount; r++)
{
for (var c = 0; c < ClosedCaptionsBuffer.ColumnCount; c++)
{
block = CharacterLookup[r][c];
cell = Buffer.State[r][c].Display;
border = block.Parent as Border;
border.Visibility = string.IsNullOrEmpty(cell.Text) ?
Visibility.Hidden : Visibility.Visible;
if (border.Visibility != Visibility.Visible)
{
continue;
}
block.Text = cell.Text;
block.FontStyle = cell.IsItalics ? FontStyles.Italic : FontStyles.Normal;
block.HorizontalAlignment = cell.IsItalics ? HorizontalAlignment.Left : HorizontalAlignment.Center;
block.Foreground = cell.Foreground;
border.Background = cell.Background;
border.Opacity = cell.Opacity;
if (cell.IsUnderlined)
{
border.BorderBrush = cell.Foreground;
border.BorderThickness = new Thickness(0, 0, 0, 4);
}
else
{
border.BorderBrush = null;
border.BorderThickness = default;
}
}
}
}
