diff options
Diffstat (limited to 'filter/faxc.h')
| -rw-r--r-- | filter/faxc.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/filter/faxc.h b/filter/faxc.h index caf29df0..14cae13f 100644 --- a/filter/faxc.h +++ b/filter/faxc.h @@ -4,7 +4,8 @@ static inline void printbits(FILE *f, int code, int nbits) { int n, b; - for (n = nbits - 1; n >= 0; n--) { + for (n = nbits - 1; n >= 0; n--) + { b = (code >> n) & 1; fprintf(f, "%c", b ? '1' : '0'); } @@ -35,7 +36,8 @@ getrun(const unsigned char *line, int x, int w, int c) x = 0; z = x; - while (z < w) { + while (z < w) + { b = getbit(line, z); if (c != b) break; @@ -53,16 +55,19 @@ findchanging(const unsigned char *line, int x, int w) if (line == 0) return w; - if (x == -1) { + if (x == -1) + { a = 0; x = 0; } - else { + else + { a = getbit(line, x); x++; } - while (x < w) { + while (x < w) + { b = getbit(line, x); if (a != b) break; @@ -103,14 +108,18 @@ setbits(unsigned char *line, int x0, int x1) b0 = x0 & 7; b1 = x1 & 7; - if (a0 == a1) { - line[a0] |= lm[b0] & rm[b1]; + if (a0 == a1) + { + if (b1) + line[a0] |= lm[b0] & rm[b1]; } - else { + else + { line[a0] |= lm[b0]; for (a = a0 + 1; a < a1; a++) line[a] = 0xFF; - line[a1] |= rm[b1]; + if (b1) + line[a1] |= rm[b1]; } } |