Format (15) - Page 98

Brother HL-2600CN Command Reference Guide for Software Developers

Table of Contents

Technical Reference Guide
GLOSSARY
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CHAPTER 2 PCL - 78 

[TrueType scalable font]  

 

<TrueType character descriptor> 

Byte

 Data 

0-1

Format (15) 

Continuation (0) 

2 - 3

Descriptor size 

Class (15) 

4 ~

Additional descriptor size 

 

2 + Desc.size

Character Data Size 

 

4 + Desc. size

Glyph ID 

 

6 + Desc. size

TrueType Glyph Data 

 

 

 

0-1

Format (15) 

Continuation (0) 

2 - 3

Descriptor size 

Class (15) 

4 ~

Additional descriptor size 

 

2 + Desc.size

Character Data Size 

 

4 + Desc. size

Glyph ID 

 

6 + Desc. size

beginning of TrueType Glyph Data 

 

 

 

0-1

Format (15) 

Continuation (1) 

TrueType Glyph Data 
 
 
 

 

Last-2

Reserved Checksum 

 

ï‚Ÿ

 

The character data follows these header bytes. Characters are represented as raster data and the data bytes are 
used to build up an image of the character from left to right and from top to bottom, according to the 
character width and height settings. 

ï‚Ÿ

 

Format (UB) - 15 specifies TrueType font.  

ï‚Ÿ

 

Continuation (B) - specifies whether the character data represents a new character (0) or is a continuation of 
the character described by the previous character descriptor block (non-zero).  If the continuation byte is 
non-zero the bytes following it are interpreted as character data. 

ï‚Ÿ

 

Descriptor size (UB) - specifies the character descriptor size in bytes. 

ï‚Ÿ

 

Class (UB) - indicates the character format. 

 

 

Value  Class 

 

 

 

 

 

  

Bitmap 

  

Compressed 

Bitmap 

 

 

Contour (Intellifont scalable) 

 

 

Compound Contour (Intellifont scalable) 

 

 

15 

TrueType scalable  

ï‚Ÿ

 

Character data size (UI) - should be the same value as (the character data size + Glyph ID + TrueType Glyph 
data) size. 

ï‚Ÿ

 

Glyph ID (UI) - specifies the ID number for glyph data,  which is used by the TrueType font scaler. 

ï‚Ÿ

 

TrueType Glyph data - includes the data segment which is associated with the given character as found in 
the glyph table of the original TrueType font file. 

ï‚Ÿ

 

Checksum (UB) - should be a value which, when added to  "Character data + Glyph ID + TrueType Glyph 
data" size, produces a zero result.    

 

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