/// <summary>
/// OnDraw text on scene
/// </summary>
/// <param name="batch">The batch.</param>
/// <param name="font">The font.</param>
/// <param name="position">The position.</param>
/// <param name="alignment">The alignment.</param>
/// <param name="color">The color.</param>
/// <param name="input">The input.</param>
public static void DrawFont(this SpriteBatch batch, BitmapFont font, Vector2 position, FontAlignment alignment,
Color color, string input)
{
var tempPos = Vector2.Zero;
using (var reader = new StringReader(input))
{
tempPos.X = position.X;
tempPos.Y = position.Y + font.Offset.Y; // -(FontHeight / 2);
string line;
while ((line = reader.ReadLine()) != null)
{
switch (alignment)
{
case FontAlignment.Left:
tempPos.X += font.Offset.X;
break;
case FontAlignment.Center:
{
var size = font.MeasureString(line);
tempPos.X -= (int) (size.X/2) - font.Offset.X;
break;
}
case FontAlignment.Right:
{
var size = font.MeasureString(line);
tempPos.X -= size.X - font.Offset.Width;
break;
}
default:
// do the defalut action
break;
}
font.DrawLine(batch, tempPos, color, line);
tempPos.X = position.X;
tempPos.Y += font.FontHeight + font.VerticalGap;
}
}
}
/// <summary>
/// Froms the file.
/// </summary>
/// <param name="path">The path.</param>
/// <returns></returns>
public static BitmapFont FromFile(string path)
{
var bitmap = new BitmapFont();
bitmap.Color = Color.White;
var dir = Path.GetDirectoryName(path);
var texturePath = Path.Combine(dir, Path.GetFileNameWithoutExtension(path) + ".png");
if (!File.Exists(path))
{
throw new FileNotFoundException(path + " not found.");
}
if (!File.Exists(texturePath))
{
throw new FileNotFoundException(texturePath + " not found.");
}
var fontMetric = XElement.Parse(File.ReadAllText(path));
foreach (var charElement in fontMetric.Elements("character"))
{
var code = Convert.ToChar((uint) charElement.Attribute("key"));
var rect = new Rectangle(
(int) charElement.Element("x"), (int) charElement.Element("y"),
(int) charElement.Element("width"), (int) charElement.Element("height")
);
bitmap.Characters.Add(code, rect);
}
var hgap = fontMetric.Element("hgap");
if (hgap != null)
{
bitmap.HorizontalGap = Convert.ToInt32(hgap.Value);
}
var vgap = fontMetric.Element("vgap");
if (vgap != null)
{
bitmap.VerticalGap = Convert.ToInt32(vgap.Value);
}
int x = 0, y = 0, w = 0, h = 0;
var offleft = fontMetric.Element("offleft");
if (offleft != null)
{
x = Convert.ToInt32(offleft.Value);
}
var offtop = fontMetric.Element("offtop");
if (offtop != null)
{
y = Convert.ToInt32(offtop.Value);
}
var offright = fontMetric.Element("offright");
if (offright != null)
{
w = Convert.ToInt32(offright.Value);
}
var offbottom = fontMetric.Element("offbottom");
if (offbottom != null)
{
h = Convert.ToInt32(offbottom.Value);
}
bitmap.Offset = new Rectangle(x, y, w, h);
bitmap.Texture = Manager.Resources.LoadTexture(texturePath);
return bitmap;
}
/// <summary>
/// OnDraw text on scene
/// </summary>
/// <param name="batch">The batch.</param>
/// <param name="font">The font.</param>
/// <param name="position">Position to begin drawing</param>
/// <param name="alignment">The alignment.</param>
/// <param name="input">A formated string</param>
/// <param name="args">Optional parameters for the formated string</param>
public static void DrawFont(this SpriteBatch batch, BitmapFont font, Vector2 position, FontAlignment alignment,
string input, params object[] args)
{
batch.DrawFont(font, position, alignment, font.Color, string.Format(CultureInfo.CurrentCulture, input, args));
}
/// <summary>
/// OnDraw text on scene using default orientation (Left)
/// </summary>
/// <param name="batch">The batch.</param>
/// <param name="font">The font.</param>
/// <param name="position">Position to begin drawing</param>
/// <param name="color">The color.</param>
/// <param name="input">A formated string</param>
/// <param name="args">Optional parameters for the formated string</param>
public static void DrawFont(this SpriteBatch batch, BitmapFont font, Vector2 position, Color color, string input,
params object[] args)
{
batch.DrawFont(font, position, FontAlignment.Left, color, input, args);
}