public static Rectangle DrawText(this Context g, PointD p, string family, Cairo.FontSlant slant, Cairo.FontWeight weight, double size, Cairo.Color color, double width, string text)
{
g.Save();
g.MoveTo(p.X, p.Y);
g.Color = color;
Pango.Layout layout = Pango.CairoHelper.CreateLayout(g);
layout.Wrap = Pango.WrapMode.Char;
layout.Width = (int)(width * Pango.Scale.PangoScale);
Pango.FontDescription fd = new Pango.FontDescription();
fd.Family = family;
fd.Style = CairoToPangoSlant(slant);
fd.Weight = CairoToPangoWeight(weight);
fd.AbsoluteSize = size * Pango.Scale.PangoScale;
layout.FontDescription = fd;
layout.Spacing = 0;
layout.Alignment = Pango.Alignment.Left;
layout.SetText(text);
Pango.Rectangle unused = Pango.Rectangle.Zero;
Pango.Rectangle te = Pango.Rectangle.Zero;
layout.GetExtents(out unused, out te);
Pango.CairoHelper.ShowLayout(g, layout);
layout.GetExtents(out unused, out te);
(layout as IDisposable).Dispose();
g.Restore();
return(new Rectangle(p.X + unused.X / Pango.Scale.PangoScale, p.Y + unused.Y / Pango.Scale.PangoScale, (unused.Width / Pango.Scale.PangoScale), (unused.Height / Pango.Scale.PangoScale)));
}
private static Pango.Style CairoToPangoSlant(Cairo.FontSlant slant)
{
switch (slant)
{
case Cairo.FontSlant.Italic:
return(Pango.Style.Italic);
case Cairo.FontSlant.Oblique:
return(Pango.Style.Oblique);
default:
return(Pango.Style.Normal);
}
}
