diff options
Diffstat (limited to 'fitz/filt_faxd.c')
| -rw-r--r-- | fitz/filt_faxd.c | 49 |
1 files changed, 13 insertions, 36 deletions
diff --git a/fitz/filt_faxd.c b/fitz/filt_faxd.c index 97076f89..dcf56cf3 100644 --- a/fitz/filt_faxd.c +++ b/fitz/filt_faxd.c @@ -170,33 +170,12 @@ const cfd_node cf_uncompressed_decode[] = { /* bit magic */ -static inline void -print_bits(FILE *f, int code, int nbits) -{ - int n, b; - for (n = nbits - 1; n >= 0; n--) - { - b = (code >> n) & 1; - fprintf(f, "%c", b ? '1' : '0'); - } -} - -static inline int -getbit(const unsigned char *buf, int x) +static inline int getbit(const unsigned char *buf, int x) { return ( buf[x >> 3] >> ( 7 - (x & 7) ) ) & 1; } -static inline void -print_line(FILE *f, unsigned char *line, int w) -{ - int i; - for (i = 0; i < w; i++) - fprintf(f, "%c", getbit(line, i) ? '#' : '.'); - fprintf(f, "\n"); -} - -static inline int +static int find_changing(const unsigned char *line, int x, int w) { int a, b; @@ -226,7 +205,7 @@ find_changing(const unsigned char *line, int x, int w) return x; } -static inline int +static int find_changing_color(const unsigned char *line, int x, int w, int color) { if (!line) @@ -248,8 +227,7 @@ static const unsigned char rm[8] = { 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE }; -static inline void -setbits(unsigned char *line, int x0, int x1) +static inline void setbits(unsigned char *line, int x0, int x1) { int a0, a1, b0, b1, a; @@ -311,14 +289,13 @@ struct fz_faxd_s unsigned char *rp, *wp; }; -static inline void -eat_bits(fz_faxd *fax, int nbits) +static inline void eat_bits(fz_faxd *fax, int nbits) { fax->word <<= nbits; fax->bidx += nbits; } -static inline int +static int fill_bits(fz_faxd *fax) { while (fax->bidx >= 8) @@ -332,8 +309,8 @@ fill_bits(fz_faxd *fax) return 0; } -static inline int -getcode(fz_faxd *fax, const cfd_node *table, int initialbits) +static int +get_code(fz_faxd *fax, const cfd_node *table, int initialbits) { unsigned int word = fax->word; int tidx = word >> (32 - initialbits); @@ -363,9 +340,9 @@ dec1d(fz_faxd *fax) fax->a = 0; if (fax->c) - code = getcode(fax, cf_black_decode, cfd_black_initial_bits); + code = get_code(fax, cf_black_decode, cfd_black_initial_bits); else - code = getcode(fax, cf_white_decode, cfd_white_initial_bits); + code = get_code(fax, cf_white_decode, cfd_white_initial_bits); if (code == UNCOMPRESSED) return fz_throw("uncompressed data in faxd"); @@ -404,9 +381,9 @@ dec2d(fz_faxd *fax) fax->a = 0; if (fax->c) - code = getcode(fax, cf_black_decode, cfd_black_initial_bits); + code = get_code(fax, cf_black_decode, cfd_black_initial_bits); else - code = getcode(fax, cf_white_decode, cfd_white_initial_bits); + code = get_code(fax, cf_white_decode, cfd_white_initial_bits); if (code == UNCOMPRESSED) return fz_throw("uncompressed data in faxd"); @@ -434,7 +411,7 @@ dec2d(fz_faxd *fax) return fz_okay; } - code = getcode(fax, cf_2d_decode, cfd_2d_initial_bits); + code = get_code(fax, cf_2d_decode, cfd_2d_initial_bits); switch (code) { |