/// <summary>
/// Renders the theme command out.
/// </summary>
public void Render(ThemeContext context)
{
// Get the values
float rx = x.GetValue(context);
float ry = y.GetValue(context);
// Get the font
font = context.Theme.Fonts[fontName];
// Figure out the string
string output = text;
string fmt = format;
if (!String.IsNullOrEmpty(format) && variables != null)
{
// Create a format string instead
object [] parms = new object [variables.Length];
for (int i = 0; i < variables.Length; i++)
{
// We need to do a bit of formatting to make these
// numbers as appropriate.
if (fmt.IndexOf("{" + i + ":N") >= 0)
{
// Convert to a double to make it a number
parms[i] = Convert.ToDouble(context[variables[i]]);
}
else if (fmt.IndexOf("{" + i + ":z") >= 0)
{
// This uses the zero fill rules
FormatZeroFill(i, ref fmt, context[variables[i]]);
parms[i] = 0;
}
else
{
// Just use it as a string
parms[i] = context[variables[i]].ToString();
}
}
// Format the string
output = String.Format(fmt, parms);
}
// Render out the string
font.Font.Print(output,
color.GetColor(context),
rx, ry,
font.Alignment);
}
/// <summary>
/// Reads font information into the system and prepares its
/// use.
/// </summary>
private void ReadFont(XmlReader xml)
{
// Sanity checking
if (String.IsNullOrEmpty(xml["id"]))
throw new Exception("Cannot read font: id");
if (String.IsNullOrEmpty(xml["size"]))
throw new Exception("Cannot read font: size");
if (String.IsNullOrEmpty(xml["align"]))
throw new Exception("Cannot read font: align");
if (String.IsNullOrEmpty(xml["file"]))
throw new Exception("Cannot read font: file");
// Pull out the parts
string id = xml["id"];
float size = Single.Parse(xml["size"]);
ContentAlignment alignment = (ContentAlignment)
Enum.Parse(typeof(ContentAlignment), xml["align"]);
FileInfo file = new FileInfo(xml["file"]);
// Create the font
ThemeFont tf = new ThemeFont(id, size, alignment, file);
fonts[id] = tf;
Log.Info("Loaded theme font: {0}", id);
}