diff options
Diffstat (limited to 'src/fontloader/misc/fontloader-util-fil.lua')
| -rw-r--r-- | src/fontloader/misc/fontloader-util-fil.lua | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/fontloader/misc/fontloader-util-fil.lua b/src/fontloader/misc/fontloader-util-fil.lua index 28c92c7..47d9d03 100644 --- a/src/fontloader/misc/fontloader-util-fil.lua +++ b/src/fontloader/misc/fontloader-util-fil.lua @@ -90,7 +90,8 @@ end function files.readinteger1(f) -- one byte local n = byte(f:read(1)) if n >= 0x80 then - return n - 0xFF - 1 + -- return n - 0xFF - 1 + return n - 0x100 else return n end @@ -109,7 +110,8 @@ function files.readinteger2(f) local a, b = byte(f:read(2),1,2) local n = 0x100 * a + b if n >= 0x8000 then - return n - 0xFFFF - 1 + -- return n - 0xFFFF - 1 + return n - 0x10000 else return n end @@ -120,6 +122,17 @@ function files.readcardinal3(f) return 0x10000 * a + 0x100 * b + c end +function files.readinteger3(f) + local a, b, c = byte(f:read(3),1,3) + local n = 0x10000 * a + 0x100 * b + c + if n >= 0x80000 then + -- return n - 0xFFFFFF - 1 + return n - 0x1000000 + else + return n + end +end + function files.readcardinal4(f) local a, b, c, d = byte(f:read(4),1,4) return 0x1000000 * a + 0x10000 * b + 0x100 * c + d @@ -129,7 +142,8 @@ function files.readinteger4(f) local a, b, c, d = byte(f:read(4),1,4) local n = 0x1000000 * a + 0x10000 * b + 0x100 * c + d if n >= 0x8000000 then - return n - 0xFFFFFFFF - 1 + -- return n - 0xFFFFFFFF - 1 + return n - 0x100000000 else return n end @@ -139,7 +153,8 @@ function files.readfixed4(f) local a, b, c, d = byte(f:read(4),1,4) local n = 0x100 * a + b if n >= 0x8000 then - return n - 0xFFFF - 1 + (0x100 * c + d)/0xFFFF + -- return n - 0xFFFF - 1 + (0x100 * c + d)/0xFFFF + return n - 0x10000 + (0x100 * c + d)/0xFFFF else return n + (0x100 * c + d)/0xFFFF end |