public static void DrawString(this SpriteBatch spriteBatch, SpriteBitmapFont font, string text, Vector2 position, Color color, Color outlineColor)
{
var previousCharacter = ' ';
var normalizedText = text.Replace("\r\n", "\n").Replace("\r", "\n");
var x = 0;
var y = 0;
foreach (var character in normalizedText)
{
if (character == '\n')
{
x = 0;
y += font.LineHeight;
continue;
}
var data = font[character];
var kerning = font.GetKerning(previousCharacter, character);
DrawSymbol(spriteBatch, font, data, (int)position.X + (x + data.Offset.X + kerning), (int)position.Y + (y + data.Offset.Y), color, outlineColor);
x += data.XAdvance + kerning;
previousCharacter = character;
}
}
public static SpriteBitmapFont RegisterFont(string fileName, string alias = null)
{
if (!fileName.StartsWith(_assetFolder))
{
fileName = Path.Combine(_assetFolder, fileName);
}
try
{
var key = alias ?? fileName;
if (Fonts.ContainsKey(key))
{
return(null);
}
using (var fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
var font = SpriteBitmapFont.LoadFile(fs, _gd);
Fonts.Add(key, font);
return(font);
}
}
catch (Exception)
{
throw new Exception($"Missing or invalid font '{fileName}'.");
}
}
private static void DrawSymbol(SpriteBatch spriteBatch, SpriteBitmapFont font, ISymbol symbol, int x, int y, Color color, Color outlineColor)
{
if (symbol.SymbolType == SymbolType.Icon)
{
var iconSymbol = (IconSymbol)symbol;
spriteBatch.Draw(iconSymbol.Texture, new Vector2(x, y), null, Color.White);
return;
}
spriteBatch.Draw(font.Textures[symbol.TexturePage], new Vector2(x, y), symbol.Bounds, color);
}
protected override void LoadContent()
{
SpriteBatch = new SpriteBatch(GraphicsDevice);
Assets.Initialize(GraphicsDevice, Content.RootDirectory);
Assets.RegisterTextureCollection("animals", new[]
{
"monkey.png",
"parrot.png",
"penguin.png",
"pig.png",
"snake.png",
"rabbit.png",
"giraffe.png"
},
true);
Assets.RegisterTexture("starburst_1024_blue.png", "background");
Assets.RegisterFont("Content/Fonts/dsfont.fnt", "dsfont");
_font = Assets.GetFont("dsfont");
base.LoadContent();
}
public static void DrawString(this SpriteBatch spriteBatch, SpriteBitmapFont font, string text, Vector2 position, Color color)
{
spriteBatch.DrawString(font, text, position, color, color);
}
