| glyph | Glyph used as a reference for the new glyph. |
| index | The index of the glyph in the font file. |
| metrics | The metrics of the glyph. |
| glyphRect | The GlyphRect defining the position of the glyph in the atlas texture. |
| scale | The relative scale of the glyph. |
| atlasIndex | The index of the atlas texture that contains the glyph. |
Constructor for a new glyph.