public virtual void ChangeMessage(string message, bool keepOffset = false)
{
this.Message = string.IsNullOrWhiteSpace(message)
? LedMessageBoard.Properties.Settings.Default.Global_DefaultViewPortMessage
: message;
this.MessageWidth = LedFont.StringWidth(message);
if (!keepOffset)
{
this.Offset = this.Width;
}
}
public static ViewPort GetViewPort(string message, int width = ViewPort.MaxWidth)
{
width = Math.Min(width, ViewPort.MaxWidth);
if (LedFont.StringWidth(message) > width)
{
return(new ScrollingViewPort(width, message));
}
else
{
return(new StaticViewPort(message));
}
}
private bool[,] RenderAsBools()
{
var result = new bool[MaxWidth, Height];
int xloc = this.Offset + this.LeftMargin;
foreach (var c in this.Message.ToCharArray())
{
this.RenderChar(c, xloc, ref result);
xloc = xloc + LedFont.CharWidth(c) + 1;
}
return(result);
}
private void RenderChar(char c, int offset, ref bool[,] buffer)
{
var charWidth = LedFont.CharWidth(c);
var blankOffset = LedFont.LeftBlankColumns(c);
for (var x = 0; x < charWidth; x++)
{
var xi = x + offset;
if (xi < this.LeftMargin || xi >= this.Width + this.LeftMargin)
{
continue;
}
var xchar = x + blankOffset;
for (var y = 0; y < Height; y++)
{
var bit = LedFont.IsSet(c, xchar, y);
buffer[xi, y] = bit;
}
}
}
public StaticViewPort(string message) : base(LedFont.StringWidth(message), message)
{
}