The Microsoft Excel File Format - OpenOffice.org

5.115 XF – Extended Format
• XF_AREA_34 – Cell Background Area Style (2 Bytes), BIFF3-BIFF4
A cell background area style contains an area pattern and a foreground and background colour.
Bit Mask Contents
5-0 003F H Fill pattern (➜2.5.12)
10-6 07C0 H Colour index (➜5.74) for pattern colour
15-11 F800 H Colour index (➜5.74) for pattern background
5.115.2 XF Record Contents
Record XF, BIFF2:
Offset Size Contents
0 1 Index to FONT record (➜5.45)
1 1 Not used
2 1 Number format and cell flags:
Bit Mask Contents
5-0 3F H Index to FORMAT record (➜5.49)
6 40 H 1 = Cell is locked
7 80 H 1 = Formula is hidden
3 1 Horizontal alignment, border style, and background:
Record XF, BIFF3:
Bit Mask Contents
2-0 07 H XF_HOR_ALIGN – Horizontal alignment (see above)
3 08 H 1 = Cell has left black border
4 10 H 1 = Cell has right black border
5 20 H 1 = Cell has top black border
6 40 H 1 = Cell has bottom black border
7 80 H 1 = Cell has shaded background
Offset Size Contents
0 1 Index to FONT record (➜5.45)
1 1 Index to FORMAT record (➜5.49)
2 1 XF_TYPE_PROT – XF type and cell protection (see above)
3 1 Flags for used attribute groups:
Bit Mask Contents
7-2 FC H XF_USED_ATTRIB – Used attributes (see above)
4 2 Horizontal alignment, text break, parent style XF:
Bit Mask Contents
2-0 0007 H XF_HOR_ALIGN – Horizontal alignment (see above)
3 0008 H 1 = Text is wrapped at right border
15-4 FFF0 H Index to parent style XF (always FFF H in style XFs)
6 2 XF_AREA_34 – Cell background area (see above)
8 4 XF_BORDER_34 – Cell border lines (see above)
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