diff options
Diffstat (limited to 'nx-X11/extras/fontconfig/fc-glyphname/fc-glyphname.c')
-rw-r--r-- | nx-X11/extras/fontconfig/fc-glyphname/fc-glyphname.c | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/nx-X11/extras/fontconfig/fc-glyphname/fc-glyphname.c b/nx-X11/extras/fontconfig/fc-glyphname/fc-glyphname.c deleted file mode 100644 index 390804aaa..000000000 --- a/nx-X11/extras/fontconfig/fc-glyphname/fc-glyphname.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * $Id: fc-glyphname.c,v 1.1 2005/06/28 01:01:10 alanc Exp $ - * - * Copyright © 2003 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#include "fcint.h" - -static int -rawindex (FcGlyphName *gn); - -static void -scan (FILE *f, char *filename); - -static int -isprime (int i); - -static void -find_hash (void); - -static FcChar32 -FcHashGlyphName (const FcChar8 *name); - -static void -insert (FcGlyphName *gn, FcGlyphName **table, FcChar32 h); - -static void -dump (FcGlyphName **table, char *name); - -static FcGlyphName * -FcAllocGlyphName (FcChar32 ucs, FcChar8 *name) -{ - FcGlyphName *gn; - - gn = malloc (sizeof (FcGlyphName) + strlen ((char *) name)); - if (!gn) - return 0; - gn->ucs = ucs; - strcpy ((char *) gn->name, (char *) name); - return gn; -} - -static void -fatal (char *file, int lineno, char *msg) -{ - fprintf (stderr, "%s:%d: %s\n", file, lineno, msg); - exit (1); -} - -#define MAX_GLYPHFILE 256 -#define MAX_GLYPHNAME 10240 -#define MAX_NAMELEN 1024 - -FcGlyphName *raw[MAX_GLYPHNAME]; -int nraw; -int max_name_len; -FcGlyphName *name_to_ucs[MAX_GLYPHNAME*2]; -FcGlyphName *ucs_to_name[MAX_GLYPHNAME*2]; -int hash, rehash; - -static int -rawindex (FcGlyphName *gn) -{ - int i; - - for (i = 0; i < nraw; i++) - if (raw[i] == gn) - return i; - return -1; -} - -static void -scan (FILE *f, char *filename) -{ - char buf[MAX_NAMELEN]; - char name[MAX_NAMELEN]; - unsigned long ucs; - FcGlyphName *gn; - int lineno = 0; - int len; - - while (fgets (buf, sizeof (buf), f)) - { - lineno++; - if (sscanf (buf, "%[^;];%lx\n", name, &ucs) != 2) - continue; - gn = FcAllocGlyphName ((FcChar32) ucs, (FcChar8 *) name); - if (!gn) - fatal (filename, lineno, "out of memory"); - len = strlen ((FcChar8 *) name); - if (len > max_name_len) - max_name_len = len; - raw[nraw++] = gn; - } -} - -static int compare_string (const void *a, const void *b) -{ - const char *const *as = a, *const *bs = b; - return strcmp (*as, *bs); -} - -static int compare_glyphname (const void *a, const void *b) -{ - const FcGlyphName *const *ag = a, *const *bg = b; - - return strcmp ((char *) (*ag)->name, (char *) (*bg)->name); -} - -static int -isqrt (int a) -{ - int l, h, m; - - l = 2; - h = a/2; - while ((h-l) > 1) - { - m = (h+l) >> 1; - if (m * m < a) - l = m; - else - h = m; - } - return h; -} - -static int -isprime (int i) -{ - int l, t; - - if (i < 2) - return FcFalse; - if ((i & 1) == 0) - { - if (i == 2) - return FcTrue; - return FcFalse; - } - l = isqrt (i) + 1; - for (t = 3; t <= l; t += 2) - if (i % t == 0) - return 0; - return 1; -} - -/* - * Find a prime pair that leaves at least 25% of the hash table empty - */ - -static void -find_hash (void) -{ - int h; - - h = nraw + nraw / 4; - if ((h & 1) == 0) - h++; - while (!isprime(h-2) || !isprime(h)) - h += 2; - hash = h; - rehash = h-2; -} - -static FcChar32 -FcHashGlyphName (const FcChar8 *name) -{ - FcChar32 h = 0; - FcChar8 c; - - while ((c = *name++)) - { - h = ((h << 1) | (h >> 31)) ^ c; - } - return h; -} - -static void -insert (FcGlyphName *gn, FcGlyphName **table, FcChar32 h) -{ - int i, r = 0; - - i = (int) (h % hash); - while (table[i]) - { - if (!r) r = (int) (h % rehash); - i += r; - if (i >= hash) - i -= hash; - } - table[i] = gn; -} - -static void -dump (FcGlyphName **table, char *name) -{ - int i; - - printf ("static FcGlyphName *%s[%d] = {\n", name, hash); - - for (i = 0; i < hash; i++) - if (table[i]) - printf ("(FcGlyphName *) &glyph%d,\n", rawindex(table[i])); - else - printf ("0,\n"); - - printf ("};\n"); -} - -int -main (int argc, char **argv) -{ - char *files[MAX_GLYPHFILE]; - char line[1024]; - FILE *f; - int i; - - i = 0; - while (*++argv) - { - if (i == MAX_GLYPHFILE) - fatal (*argv, 0, "Too many glyphname files"); - files[i++] = *argv; - } - files[i] = 0; - qsort (files, i, sizeof (char *), compare_string); - for (i = 0; files[i]; i++) - { - f = fopen (files[i], "r"); - if (!f) - fatal (files[i], 0, strerror (errno)); - scan (f, files[i]); - fclose (f); - } - qsort (raw, nraw, sizeof (FcGlyphName *), compare_glyphname); - - find_hash (); - - for (i = 0; i < nraw; i++) - { - insert (raw[i], name_to_ucs, FcHashGlyphName (raw[i]->name)); - insert (raw[i], ucs_to_name, raw[i]->ucs); - } - - /* - * Scan the input until the marker is found - */ - - while (fgets (line, sizeof (line), stdin)) - { - if (!strncmp (line, "@@@", 3)) - break; - fputs (line, stdout); - } - - printf ("/* %d glyphnames in %d entries, %d%% occupancy */\n\n", - nraw, hash, nraw * 100 / hash); - - printf ("#define FC_GLYPHNAME_HASH %u\n", hash); - printf ("#define FC_GLYPHNAME_REHASH %u\n", rehash); - printf ("#define FC_GLYPHNAME_MAXLEN %d\n\n", max_name_len); - - /* - * Dump out entries - */ - - for (i = 0; i < nraw; i++) - printf ("static struct { FcChar32 ucs; FcChar8 name[%d]; }" - " glyph%d = { 0x%lx, \"%s\" };\n", - (int) strlen (raw[i]->name) + 1, - i, (unsigned long) raw[i]->ucs, raw[i]->name); - - /* - * Dump out name_to_ucs table - */ - - dump (name_to_ucs, "name_to_ucs"); - - /* - * Dump out ucs_to_name table - */ - dump (ucs_to_name, "ucs_to_name"); - - while (fgets (line, sizeof (line), stdin)) - fputs (line, stdout); - - fflush (stdout); - exit (ferror (stdout)); -} |