From 3a3602861226e995d95a8898668cd559c3ca1cf6 Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Wed, 17 Feb 2021 16:35:02 -0500 Subject: quick bitmap font format, borrowing new default font from X --- doc/pbf.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 doc/pbf.txt (limited to 'doc/pbf.txt') diff --git a/doc/pbf.txt b/doc/pbf.txt new file mode 100644 index 0000000..f42474c --- /dev/null +++ b/doc/pbf.txt @@ -0,0 +1,18 @@ +Portland Bitmap Font format + +This format is intended as a quickly readable font format. + +Header: + byte: character width + byte: character height + byte: horizontal padding + byte: vertical padding + dword: offset into file of default character bitmap + +For each character (255 of them, 0x01 to 0xff): + dword: offset into bitmap data area of character bitmap, + or 0xffffffff if the default should be used. + +Bitmap data area: + bitmaps are from left to right, then from top to bottom. + the least significant bit of a byte is the "first" one. \ No newline at end of file -- cgit v1.2.3