// Get the line spacing for the font selected into this graphics object.
public override int GetLineSpacing()
{
Xsharp.Font xfont = (font as DrawingFont).xfont;
FontExtents extents = xfont.GetFontExtents(graphics);
return(extents.Ascent + extents.Descent);
}
// Draw a string using the current font and brush.
public override void DrawString
(String s, int x, int y, StringFormat format)
{
Xsharp.Font xfont = (font as DrawingFont).xfont;
FontExtents extents = xfont.GetFontExtents(graphics);
xfont.DrawString(graphics, RestrictXY(x),
RestrictXY(y) + extents.Ascent,
s, 0, s.Length);
}
/// <summary>
/// <para>Get extent information for a particular font, when drawing
/// onto this graphics context.</para>
/// </summary>
///
/// <param name="font">
/// <para>The font to obtain extents for.</para>
/// </param>
///
/// <returns>
/// <para>Returns the extent information.</para>
/// </returns>
///
/// <exception cref="T:System.ArgumentNullException">
/// <para>Raised if <paramref name="font"/> is <see langword="null"/>.
/// </para>
/// </exception>
public FontExtents GetFontExtents(Font font)
{
if(font == null)
{
throw new ArgumentNullException("font");
}
return font.GetFontExtents(this);
}