/usr/share/doc/tk8.4/examples/images/pattern.bmp is in tk8.4 8.4.19-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #define foo_width 16
#define foo_height 16
static char foo_bits[] = {
0x60, 0x06, 0x90, 0x09, 0x90, 0x09, 0xb0, 0x0d, 0x4e, 0x72, 0x49, 0x92,
0x71, 0x8e, 0x8e, 0x71, 0x8e, 0x71, 0x71, 0x8e, 0x49, 0x92, 0x4e, 0x72,
0xb0, 0x0d, 0x90, 0x09, 0x90, 0x09, 0x60, 0x06};
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