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authorTor Andersson <tor@ghostscript.com>2005-03-30 08:30:22 +0200
committerTor Andersson <tor@ghostscript.com>2005-03-30 08:30:22 +0200
commitee154f16bd09a43359967f7e7b86c3677c09461d (patch)
tree08896cfa9ff55e05bfe7855965c620d45115d4d5 /filter/faxc.h
parent460ad7040d67a4a93a153f98095ff952a2b15d37 (diff)
downloadmupdf-ee154f16bd09a43359967f7e7b86c3677c09461d.tar.xz
rename part 1 -- files
Diffstat (limited to 'filter/faxc.h')
-rw-r--r--filter/faxc.h125
1 files changed, 0 insertions, 125 deletions
diff --git a/filter/faxc.h b/filter/faxc.h
deleted file mode 100644
index 14cae13f..00000000
--- a/filter/faxc.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/* common bit magic */
-
-static inline void
-printbits(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)
-{
- return ( buf[x >> 3] >> ( 7 - (x & 7) ) ) & 1;
-}
-
-static inline void
-printline(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
-getrun(const unsigned char *line, int x, int w, int c)
-{
- int z;
- int b;
-
- if (x < 0)
- x = 0;
-
- z = x;
- while (z < w)
- {
- b = getbit(line, z);
- if (c != b)
- break;
- z ++;
- }
-
- return z - x;
-}
-
-static inline int
-findchanging(const unsigned char *line, int x, int w)
-{
- int a, b;
-
- if (line == 0)
- return w;
-
- if (x == -1)
- {
- a = 0;
- x = 0;
- }
- else
- {
- a = getbit(line, x);
- x++;
- }
-
- while (x < w)
- {
- b = getbit(line, x);
- if (a != b)
- break;
- x++;
- }
-
- return x;
-}
-
-static inline int
-findchangingcolor(const unsigned char *line, int x, int w, int color)
-{
- if (line == 0)
- return w;
-
- x = findchanging(line, x, w);
-
- if (x < w && getbit(line, x) != color)
- x = findchanging(line, x, w);
-
- return x;
-}
-
-static const unsigned char lm[8] =
- { 0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01 };
-
-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)
-{
- int a0, a1, b0, b1, a;
-
- a0 = x0 >> 3;
- a1 = x1 >> 3;
-
- b0 = x0 & 7;
- b1 = x1 & 7;
-
- if (a0 == a1)
- {
- if (b1)
- line[a0] |= lm[b0] & rm[b1];
- }
- else
- {
- line[a0] |= lm[b0];
- for (a = a0 + 1; a < a1; a++)
- line[a] = 0xFF;
- if (b1)
- line[a1] |= rm[b1];
- }
-}
-