HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part I

EN Character Descriptor Formats 11-63
Class 3 -Intellifont Scalable Character Contour Data
Class 3 is for Intellifont scalable contour character data. The contour
character data is organized as described in Table 11-41. Bytes 0-3
contain the character descriptor.
Class 4 - Intellifont Scalable Compound Character
Data
A class 4 character is a compound character and composition data
follows. The composition data is organized as described in Table
11-43. The compound descriptor allows combining two different
characters to produce a single compound character.
Contour Data Size (UI)
The size of the contour data including the size of this field. For a
detailed description of this field, refer to Intellifont Scalable Typeface
Format.
Metric Data Offset (SI)
The offset to the Metric Data relative to the address of the Contour
Data Size field.
Table 11-45
Value Class
1* Bitmap
2* Compressed Bitmap
3 Contour (Intellifont Scalable)
4 Compound Contour (Intellifont Scalable)
15* TrueType Scalable
* These are described elsewhere in this chapter.