public static void TransformPoints(GlyphPoint[] p, GlyphComponent c)
{
foreach (var t in p)
{
var px = t.X;
var py = t.Y;
t.X = (short)(c.XScale * px + c.Scale01 * py + c.DX);
t.Y = (short)(c.Scale10 * px + c.YScale * py + c.DY);
}
}
public static GlyphComponent Load(FontSource p)
{
var gc = new GlyphComponent();
var flags = p.ReadUShort();
gc.GlyphId = p.ReadUShort();
if ((flags & 1) > 0)
{
if ((flags & 2) > 0)
{
gc.DX = p.ReadShort();
gc.DY = p.ReadShort();
}
else
{
gc.MatchedPoints = new[] { p.ReadUShort(), p.ReadUShort() };
}
}
else
{
if ((flags & 2) > 0)
{
gc.DX = p.ReadSByte();
gc.DY = p.ReadSByte();
}
else
{
gc.MatchedPoints = new[] { p.ReadUShort(), p.ReadUShort() };
}
}
if ((flags & 8) > 0)
{
gc.XScale = gc.YScale = p.ReadF2Dot14();
}
else if ((flags & 64) > 0)
{
gc.XScale = p.ReadF2Dot14();
gc.YScale = p.ReadF2Dot14();
}
else if ((flags & 128) > 0)
{
gc.XScale = p.ReadF2Dot14();
gc.Scale01 = p.ReadF2Dot14();
gc.Scale10 = p.ReadF2Dot14();
gc.YScale = p.ReadF2Dot14();
}
gc.MoreComponents = (flags & 32) > 0;
return(gc);
}
public GlyphComponent[] GetGlyphComponents(FontSource source)
{
source.Offset = Offset;
var list = new List <GlyphComponent>();
var limit = 10;
while (limit-- > 0)
{
var component = GlyphComponent.Load(source);
list.Add(component);
if (!component.MoreComponents)
{
break;
}
}
return(list.ToArray());
}
