/// <summary>
/// 缓存字形
/// </summary>
/// <param name="charArray">需要缓存的字符</param>
public void Cache(char[] charArray)
{
List <char> chars = charArray.ToList();
for (int i = 0; i < chars.Count; i++)
{
if (Glyphs.ContainsKey(chars[i]) || chars.IndexOf(chars[i]) < i || chars[i] == ' ')
{
chars.RemoveAt(i);
i--;
}
}
if (chars.Count == 0)
{
return;
}
Glyph[] glyphArray = font.GetGlyphsFromCodepoint(height, chars.ToCodePointArray(), 1f, 1f);
for (int i = 0; i < chars.Count; i++)
{
if (glyphArray[i].texture == null && glyphArray[i].Width != 0)
{
glyphArray[i].texture = FontHelper.ByteDataToTexture2D(graphicsDevice, glyphArray[i].bitmap,
glyphArray[i].Width, glyphArray[i].Height);
glyphArray[i].bitmap = new byte[0];
}
Glyphs.Add(chars[i], glyphArray[i]);
}
}