public static Bitmap RenderString(string str, PixelRenderingOptions options, ulong?fontId = null, int padding = 0)
{
char[] map = str.ToCharArray();
FontFace oldFont = options.Font;
options.Font = fontId.HasValue ? FontManager.FontMap.GetFont(fontId.Value) : options.Font;
FontFace font = options.Font;
Point pointer = new Point(padding, padding); // This is where the top left letter bitmap will start from.
Size s = str.GetRenderBox(font); // Correct render box built.
s.Width += padding * 2;
s.Height += padding * 2;
s.Debug();
Rectangle area = new Rectangle(pointer, s);
Bitmap render = new Bitmap(s.Width, s.Height);
using (Graphics g = Graphics.FromImage(render))
{
Bitmap[] renders = RenderChars(map, options);
bool overhung = false;
int x = 0;
for (int i = 0; i < map.Length; i++)
{
if (map[i] == '\n')
{
if (overhung)
{
pointer.Y += font.Overhang;
overhung = false;
}
pointer.Y += font.Ppu.Height + font.Padding;
pointer.X = padding;
continue;
}
if (map[i] == ' ')
{
pointer.X += font.Spacing;
continue;
}
if (map[i] == '⠀') // Invisible Braille Block
{
pointer.X += 4; // The width of all braille.
continue;
}
if (font.HasFallback.HasValue)
{
if (!font.HasFallback.Value)
{
if (!font.Search(map[i], options.FontType, out (int i, int x, int y)index).Exists())
{
continue;
}
}
}
if (map[i].Overhangs())
{
overhung = true;
pointer.Y += font.Overhang;
}
// if there is no fallback, if the letter doesnt exist, skip it.
using (Bitmap b = renders[x])
{
Rectangle rct = new Rectangle(pointer, b.Size);
g.SetClip(rct);
g.DrawImage(b, rct);
g.ResetClip();
pointer.X += rct.Width + font.Padding;
}
if (map[i].Overhangs())
{
pointer.Y -= font.Overhang;
}
x++;
}
}
options.Font = oldFont;
return(render.Color(options.Palette));
}