public int GetWidth(ref string text)
{
int w = 0;
if (text != null)
{
AtlasChar prev = null;
AtlasChar chr;
for (int i = 0; i < text.Length; ++i)
{
chr = GetChar(text[i]);
if (prev != null)
{
w += prev.GetKerning(text[i]);
}
w += chr.Advance;
prev = chr;
}
//For the final character, we want to slice off the character spacing
if (prev != null)
{
w -= prev.Advance - prev.Image.Width;
}
}
return(w);
}
public void DrawText(AtlasFont font, ref string text, Vector2 position, Color4 color)
{
var pos = position;
AtlasChar prev = null;
AtlasChar chr;
for (int i = 0; i < text.Length; ++i)
{
chr = font.GetChar(text[i]);
if (prev != null)
{
pos.X += prev.GetKerning(chr.Char);
}
if (chr.Image != null)
{
DrawImage(chr.Image, pos, color);
}
pos.X += chr.Advance;
prev = chr;
}
}
public AtlasChar AddChar(char chr, int width, int height, int advance, int offsetX, int offsetY, Rectangle uvRect, bool rotate90)
{
if (chars.ContainsKey(chr))
{
throw new Exception(string.Format("Font already has character: '{0}' (U+{1:X4})", chr, (UInt16)chr));
}
var name = chr.ToString();
AtlasImage image = null;
if (width > 0)
{
image = new AtlasImage(Atlas, ref name, width, height, offsetX, offsetY, width, height, ref uvRect, rotate90);
}
var result = new AtlasChar(this, chr, advance, image);
chars.Add(chr, result);
return(result);
}
public bool TryGetchar(char chr, out AtlasChar result)
{
return(chars.TryGetValue(chr, out result));
}
