The Microsoft Excel File Format - OpenOffice.org

5 Worksheet/Workbook Records
• Pattern Formatting Block
Offset Size Contents
0 2 Fill pattern style:
Bit Mask Contents
15-10 FC00 H Fill pattern style (only if patt-style = 0, ➜2.5.12)
2 2 Fill pattern colour indexes:
Bit Mask Contents
6-0 007F H Colour index (➜5.74) for pattern (only if patt-col = 0)
13-7 3F80 H Colour index (➜5.74) for pattern background (only if
patt-bgcol = 0)
• Protection Formatting Block
Offset Size Contents
0 2 Protection flags:
Bit Mask Contents
0 01 H Cell locked on/off (only if prot-locked = 0)
1 02 H Formula hidden on/off (only if prot-hidden = 0)
144