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Diffstat (limited to 'Build/source/utils/jpeg2ps/asc85ec.c')
-rw-r--r--Build/source/utils/jpeg2ps/asc85ec.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/Build/source/utils/jpeg2ps/asc85ec.c b/Build/source/utils/jpeg2ps/asc85ec.c
deleted file mode 100644
index 7f03b80991b..00000000000
--- a/Build/source/utils/jpeg2ps/asc85ec.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* ASCII85 and Hex encoding for PostScript Level 2 and PDF */
-/* (C) Thomas Merz 1994-99 */
-
-#include <stdio.h>
-#include <fcntl.h>
-
-#ifdef WIN32
-#define DOS
-#endif
-
-#ifdef DOS
-#include <io.h>
-#include <stdlib.h>
-#endif
-
-#include "psimage.h"
-
-typedef unsigned char byte;
-
-static unsigned char buf[4];
-static unsigned long power85[5] = { 1L, 85L, 85L*85, 85L*85*85, 85L*85*85*85};
-static int outbytes; /* Number of characters in an output line */
-
-/* read 0-4 Bytes. result: number of bytes read */
-static int
-ReadSomeBytes P1(FILE *, in)
-{
- register int count, i;
-
- for (count = 0; count < 4; count++) {
- if ((i = getc(in)) == EOF)
- break;
- else
- buf[count] = (byte) i;
- }
- return count;
-}
-
-/* Two percent characters at the start of a line will cause trouble
- * with some post-processing software. In order to avoid this, we
- * simply insert a line break if we encounter a percent character
- * at the start of the line. Of course, this rather simplistic
- * algorithm may lead to a large line count in pathological cases,
- * but the chance for hitting such a case is very small, and even
- * so it's only a cosmetic flaw and not a functional restriction.
- */
-
-static void
-outbyte P2(byte, c, FILE *, out)
-{ /* output one byte */
-
- if (fputc(c, out) == EOF) {
- fprintf(stderr, "jpeg2ps: write error - exit!\n");
- exit(1);
- }
-
- if (++outbytes > 63 || /* line limit reached */
- (outbytes == 1 && c == '%') ) { /* caution: percent character at start of line */
- fputc('\n', out); /* insert line feed */
- outbytes = 0;
- }
-}
-
-int
-ASCII85Encode P2(FILE *, in, FILE *, out)
-{
- register int i, count;
- unsigned long word, v;
-
- outbytes = 0;
-
- /* 4 bytes read ==> output 5 bytes */
- while ((count = ReadSomeBytes(in)) == 4) {
- word = ((unsigned long)(((unsigned int)buf[0] << 8) + buf[1]) << 16) +
- (((unsigned int)buf[2] << 8) + buf[3]);
- if (word == 0)
- outbyte('z', out); /* shortcut for 0 */
- else
- /* calculate 5 ASCII85 bytes and output them */
- for (i = 4; i >= 0; i--) {
- v = word / power85[i];
- outbyte((byte) (v + '!'), out);
- word -= v * power85[i];
- }
- }
-
- word = 0;
-
- if (count != 0) { /* 1-3 bytes left */
- for (i = count-1; i >= 0; i--) /* accumulate bytes */
- word += (unsigned long)buf[i] << 8 * (3-i);
-
- /* encoding as above, but output only count+1 bytes */
- for (i = 4; i >= 4-count; i--) {
- v = word / power85[i];
- outbyte((byte) (v + '!'), out);
- word -= v * power85[i];
- }
- }
-
- fputc('~', out); /* EOD marker */
- fputc('>', out);
- return 0;
-}
-
-void
-ASCIIHexEncode P2(FILE *, in, FILE *, out) {
- static char buffer[512];
- static char BinToHex[] = "0123456789ABCDEF";
- int CharsPerLine;
- size_t i, n;
- unsigned char *p;
-
- CharsPerLine = 0;
- fputc('\n', out);
-
- while ((n = fread(buffer, 1, sizeof(buffer), in)) != 0)
- for (i = 0, p = (unsigned char *) buffer; i < n; i++, p++) {
- fputc(BinToHex[*p>>4], out); /* first nibble */
- fputc(BinToHex[*p & 0x0F], out); /* second nibble */
- if ((CharsPerLine += 2) >= 64) {
- fputc('\n', out);
- CharsPerLine = 0;
- }
- }
-
- fputc('>', out); /* EOD marker for PostScript hex strings */
-}
-