7 (LSB) 0 - Page 75

2001/10/02 

CHAPTER 2 "PCL" - 55 

<TrueType Scalable Bound font> 

Byte  15 (MSB)                            8 

7                             (LSB) 0 

0  Font Descriptor Size (>72) 

2  Descriptor Format (15) 

Font Type 

4  Style MSB 

Reserved 

6  Base Line Position 

8  Cell Width 

10  Cell Height 

12  Orientation 

Spacing 

14  Symbol Set 

16  Pitch (Default HMI) 

18  Height 

20  x-Height 

22  Width Type 

Style LSB 

24  Stroke Weight 

Typeface LSB 

26  Typeface MSB 

Serif Style 

28  Quality 

Placement 

30  Underline Distance 

Underline Thickness 

32  Text Height 

34  Text Width 

36  First Code 

38  Last Code / Number of characters 

40  Pitch Extended 

Height Extended 

42  Cap Height 

44 - 47  Font Number 

48 - 63  Font Name 

64  Scale Factor 

66  Master Underline position 

68  Master Underline Thickness 

70  Font Scaling Technology 

Variety 

72 

[ additional data may be inserted here ] 

Desc. size 

Segmented Font data 

# - 2  Reserved 

Checksum 

• 

Attributes are in one of six numerical formats. 

Unsigned integer (UI) 0 to 65535 

Unsigned long integer (ULI) 0 to 2

32

–1 

Signed integer (SI) –32768 to 32767 

Unsigned byte (UB) 0 to 255 

Signed byte (SB) –128 to 127 

Boolean 0 or 1 

• 

Font descriptor size (UI) - the size in bytes of the font descriptor block.  Minimum size values for each font 

type are shown in the above figure. 

• 

Descriptor format (UB) - format type of the font. 

0 

Bitmap font 

10 

Intellifont bound scalable font 

11 

Intellifont unbound scalable font 

15 

TrueType bound scalable font 

20 

Special bitmap font 

• 

Font type (UB) - specifies type of symbol set.  

0  

Bound font.  A 7-bit font with character codes 20H to 7FH acceptable. 

1  

Bound font.  An 8-bit font with character codes 20H to 7FH and 80H to FFH acceptable.  

2  

Bound font. 8-bit all character codes are printable.  However,  00H, 07H to 0FH and 1BH are printable 
only when the data is defined as transparent print data.