offset
|
size
|
description
|
0
|
1
|
manufacturer byte, must be 10 decimal
|
1
|
1
|
PCX version number
|
|
|
0 = PC Paintbrush version 2.5
|
|
|
2 = PC Paintbrush 2.8 with palette information
|
|
|
3 = PC Paintbrush 2.8 without palette information
|
|
|
4 = PC Paintbrush for Windows
|
|
|
5 = PC Paintbrush 3.0 or later, PC Paintbrush Plus
|
2
|
1
|
run length encoding byte, must be 1
|
3
|
1
|
number of bits per pixel per bit plane
|
4
|
8
|
image limits in pixels: Xmin, Ymin, Xmax, Ymax
|
12
|
2
|
horizontal dots per inch when printed (unreliable)
|
14
|
2
|
vertical dots per inch when printed (unreliable)
|
16
|
48
|
16-color palette (16 RGB triples between 0-255)
|
64
|
1
|
reserved, must be zero
|
65
|
1
|
number of bit planes
|
66
|
2
|
video memory bytes per image row
|
68
|
2
|
16-color palette interpretation (unreliable)
|
|
|
0 = color or b&w, 1 = grayscale
|
70
|
2
|
horizontal screen resolution - 1 (unreliable)
|
72
|
2
|
vertical screen resolution - 1 (unreliable)
|
74
|
54
|
reserved, must be zero
|