The flattened line segments of a glyph outline at one scale (see GeometricSkyBottomLineCaches.glyphSegments).
Maximum y of the segments.
Minimum y of the segments.
Quadruples x0,y0,x1,y1, relative to the glyph origin.
The flattened line segments of a glyph outline at one scale (see GeometricSkyBottomLineCaches.glyphSegments).