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Diffstat (limited to 'Build/source/texk/dvipsk/dpicheck.c')
-rw-r--r-- | Build/source/texk/dvipsk/dpicheck.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/Build/source/texk/dvipsk/dpicheck.c b/Build/source/texk/dvipsk/dpicheck.c deleted file mode 100644 index 19d8b6c92d8..00000000000 --- a/Build/source/texk/dvipsk/dpicheck.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * dpicheck of dvips.c. Checks the dots per inch to make sure - * it exists. The fonts which exist are DPI at the appropriate - * magnifications. - */ -#include "dvips.h" /* The copyright notice in that file is included too! */ -/* - * The external declarations: - */ -#include "protos.h" - -static integer existsizes[30] = { 0 , 99999999 }; -static int checkdpi; -/* - * This routine adds some sizes to `existsizes'. - */ -static void -addsiz(int rhsize) -{ - register integer *p; - long t, hsize; - - hsize = rhsize; - for (p=existsizes; *p < hsize; p++); - if (*p == hsize) - return; - do { - t = *p; - *p++ = hsize; - hsize = t; - } while (hsize); -} -static void -adddpi(int hsize) -{ - long a, b, c; - int i; - - addsiz(hsize); - addsiz((int)((hsize * 116161L + 53020L) / 106040L)); - a = hsize; - b = 0; - c = 1; - for (i=0; i<9; i++) { - b = 6 * b + (a % 5) * c; - a = a + a / 5; - c = c * 5; - if (b > c) { - b -= c; - a++; - } - if (b + b >= c) - addsiz((int)(a+1)); - else - addsiz((int)a); - } -} -/* - * Finally, the routine that checks a size for match. - */ -halfword -dpicheck(halfword dpi) -{ - integer i; - integer margin = 1 + dpi / 500; - - if (! checkdpi) { - adddpi(DPI); - checkdpi = 1; - } - for (i=0; existsizes[i] < dpi; i++); - if (existsizes[i]-dpi <= margin) - return(existsizes[i]); - else if (dpi-existsizes[i-1] <= margin) - return(existsizes[i-1]); - else - return(dpi); -} |