Unicode symbol index character complement bits

10/10/03

5.4.3.Unicode symbol index character complement bits

Bit Field	Designated Use
31	0 if font is compatible with 7-bit ASCII; otherwise set to 1.

300 if font is compatible with ISO 8859/1 Latin 1 (West Europe) character sets; otherwise set to 1.

290 if font is compatible with ISO 8859/2 Latin 2 (East Europe) character sets; otherwise set to 1.

280 if font is compatible with Latin 5 (Turkish) character sets (e.g., ISO 8859/9 Latin 5, PC-Turkish); otherwise set to 1.

270 if font is compatible with Desktop Publishing character sets (e.g., Windows 3.1 Latin 1, DeskTop, MC Text); otherwise set to 1.

260 if font is compatible with character sets requiring a wider selection of accents (e.g., MC Text, ISO 8859/1 Latin 1); otherwise set to 1.

250 if font is compatible with traditional PCL character sets (e.g., Roman- 8, Legal, ISO 4 United Kingdom); otherwise set to 1.

240 if font is compatible with the Macintosh character set (MS Text); otherwise set to 1.

230 if font is compatible with PostScript Standard Encoding (PS Text); otherwise set to 1.

220 if font is compatible with Code Pages (e.g., PC-8, PC-850, PC-Turk, etc.); otherwise set to 1.

2,1,0

110 if font is arranged in Unicode Symbol Index order.

•Checksum - This should be set to a value which, when added to the contents of the 64 bytes of this font descriptor data produces a total of 0.

•Descriptor size - segmented font data.

	MSB			LSB
x	15	8	7	0
x	First segment, segment identifier
x + 2	First segment, Segment size
x + 4	First segment, Data segment
x + 4 + 1st seg.
x + 4 + 1st seg.	Second segment, segment identifier,		Size, Data segment
size


# - 6	Null segment identifier
# - 4	Null segment size
# - 2	Reserved		Checksum

This segment follows just after the font header for TrueType. Each segment is divided into segment identifier, segment size and data segment parts.

*Segment Identifier (UI) -

Each item in the data segment part has an identification number.

CHAPTER 2 "PCL" - 61