//====== ctors
public TextArraySlice(TextArray source, Rectangle viewArea)
: base(source.Size.AsRectangle.Intersect(viewArea).Size) // TODO: source can be null
{
this.source = Verify.NotNull(source, nameof(source));
intersection = source.Size.AsRectangle.Intersect(viewArea);
}
//====== ctors
public TextCanvas(TextArray textArray)
{
this.textArray = Verify.NotNull(textArray, nameof(textArray));
}
