Lotus 1-2-3 Chart
From Just Solve the File Format Problem
(Difference between revisions)
(→Sample files) |
(Note about part of header matching the dimensions.) |
||
| Line 9: | Line 9: | ||
== Identification == | == Identification == | ||
| − | Known Lotus PIC files begin with bytes {{magic|01 00 00 00 01 00 08 00 44 00 00 00 00 0c 7f 09 06}}. The significance of these byte values is not known, and other values might be possible. | + | Known Lotus PIC files begin with bytes {{magic|01 00 00 00 01 00 08 00 44 00 00 00 00 0c 7f 09 06}}. The significance of these byte values is not known, and other values might be possible. The last four bytes equals the width and height minus one. |
''[Ed. note: The Encyclopedia of Graphics File Formats appears to have an error: It says there are three 0x00 bytes after the 0x44 byte, when there probably should be four.]'' | ''[Ed. note: The Encyclopedia of Graphics File Formats appears to have an error: It says there are three 0x00 bytes after the 0x44 byte, when there probably should be four.]'' | ||
Revision as of 23:10, 12 September 2021
Lotus 1-2-3 Chart, or Lotus PIC, is a vector graphics format associated with Lotus 1-2-3.
Identification
Known Lotus PIC files begin with bytes 01 00 00 00 01 00 08 00 44 00 00 00 00 0c 7f 09 06. The significance of these byte values is not known, and other values might be possible. The last four bytes equals the width and height minus one.
[Ed. note: The Encyclopedia of Graphics File Formats appears to have an error: It says there are three 0x00 bytes after the 0x44 byte, when there probably should be four.]
Sample files
Links
- Lotus 1-2-3 .PIC File Format Details, by Jim Kyle (reverse-engineered; incomplete)
- Lotus PIC File Format Summary, from the Encyclopedia of Graphics File Formats