aboutsummaryrefslogtreecommitdiff
path: root/fontconfig/src/fclist.c
diff options
context:
space:
mode:
Diffstat (limited to 'fontconfig/src/fclist.c')
-rw-r--r--fontconfig/src/fclist.c1154
1 files changed, 577 insertions, 577 deletions
diff --git a/fontconfig/src/fclist.c b/fontconfig/src/fclist.c
index 9a84b5c7e..0f9a1235c 100644
--- a/fontconfig/src/fclist.c
+++ b/fontconfig/src/fclist.c
@@ -1,577 +1,577 @@
-/*
- * fontconfig/src/fclist.c
- *
- * Copyright © 2000 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 the author(s) not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. The authors make no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE AUTHOR(S) 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"
-#include <stdlib.h>
-
-FcObjectSet *
-FcObjectSetCreate (void)
-{
- FcObjectSet *os;
-
- os = (FcObjectSet *) malloc (sizeof (FcObjectSet));
- if (!os)
- return 0;
- FcMemAlloc (FC_MEM_OBJECTSET, sizeof (FcObjectSet));
- os->nobject = 0;
- os->sobject = 0;
- os->objects = 0;
- return os;
-}
-
-FcBool
-FcObjectSetAdd (FcObjectSet *os, const char *object)
-{
- int s;
- const char **objects;
- int high, low, mid, c;
-
- if (os->nobject == os->sobject)
- {
- s = os->sobject + 4;
- if (os->objects)
- objects = (const char **) realloc ((void *) os->objects,
- s * sizeof (const char *));
- else
- objects = (const char **) malloc (s * sizeof (const char *));
- if (!objects)
- return FcFalse;
- if (os->sobject)
- FcMemFree (FC_MEM_OBJECTPTR, os->sobject * sizeof (const char *));
- FcMemAlloc (FC_MEM_OBJECTPTR, s * sizeof (const char *));
- os->objects = objects;
- os->sobject = s;
- }
- high = os->nobject - 1;
- low = 0;
- mid = 0;
- c = 1;
- object = (char *)FcStrStaticName ((FcChar8 *)object);
- while (low <= high)
- {
- mid = (low + high) >> 1;
- c = os->objects[mid] - object;
- if (c == 0)
- return FcTrue;
- if (c < 0)
- low = mid + 1;
- else
- high = mid - 1;
- }
- if (c < 0)
- mid++;
- memmove (os->objects + mid + 1, os->objects + mid,
- (os->nobject - mid) * sizeof (const char *));
- os->objects[mid] = object;
- os->nobject++;
- return FcTrue;
-}
-
-void
-FcObjectSetDestroy (FcObjectSet *os)
-{
- if (os->objects)
- {
- FcMemFree (FC_MEM_OBJECTPTR, os->sobject * sizeof (const char *));
- free ((void *) os->objects);
- }
- FcMemFree (FC_MEM_OBJECTSET, sizeof (FcObjectSet));
- free (os);
-}
-
-FcObjectSet *
-FcObjectSetVaBuild (const char *first, va_list va)
-{
- FcObjectSet *ret;
-
- FcObjectSetVapBuild (ret, first, va);
- return ret;
-}
-
-FcObjectSet *
-FcObjectSetBuild (const char *first, ...)
-{
- va_list va;
- FcObjectSet *os;
-
- va_start (va, first);
- FcObjectSetVapBuild (os, first, va);
- va_end (va);
- return os;
-}
-
-/*
- * Font must have a containing value for every value in the pattern
- */
-static FcBool
-FcListValueListMatchAny (FcValueListPtr patOrig, /* pattern */
- FcValueListPtr fntOrig) /* font */
-{
- FcValueListPtr pat, fnt;
-
- for (pat = patOrig; pat != NULL; pat = FcValueListNext(pat))
- {
- for (fnt = fntOrig; fnt != NULL; fnt = FcValueListNext(fnt))
- {
- /*
- * make sure the font 'contains' the pattern.
- * (OpListing is OpContains except for strings
- * where it requires an exact match)
- */
- if (FcConfigCompareValue (&fnt->value,
- FcOpListing,
- &pat->value))
- break;
- }
- if (fnt == NULL)
- return FcFalse;
- }
- return FcTrue;
-}
-
-static FcBool
-FcListValueListEqual (FcValueListPtr v1orig,
- FcValueListPtr v2orig)
-{
- FcValueListPtr v1, v2;
-
- for (v1 = v1orig; v1 != NULL; v1 = FcValueListNext(v1))
- {
- for (v2 = v2orig; v2 != NULL; v2 = FcValueListNext(v2))
- if (FcValueEqual (FcValueCanonicalize(&(v1)->value),
- FcValueCanonicalize(&(v2)->value)))
- break;
- if (v2 == NULL)
- return FcFalse;
- }
- for (v2 = v2orig; v2 != NULL; v2 = FcValueListNext(v2))
- {
- for (v1 = v1orig; v1 != NULL; v1 = FcValueListNext(v1))
- if (FcValueEqual (FcValueCanonicalize(&v1->value),
- FcValueCanonicalize(&v2->value)))
- break;
- if (v1 == NULL)
- return FcFalse;
- }
- return FcTrue;
-}
-
-static FcBool
-FcListPatternEqual (FcPattern *p1,
- FcPattern *p2,
- FcObjectSet *os)
-{
- int i;
- FcPatternElt *e1, *e2;
-
- for (i = 0; i < os->nobject; i++)
- {
- e1 = FcPatternObjectFindElt (p1, FcObjectFromName (os->objects[i]));
- e2 = FcPatternObjectFindElt (p2, FcObjectFromName (os->objects[i]));
- if (!e1 && !e2)
- continue;
- if (!e1 || !e2)
- return FcFalse;
- if (!FcListValueListEqual (FcPatternEltValues(e1),
- FcPatternEltValues(e2)))
- return FcFalse;
- }
- return FcTrue;
-}
-
-/*
- * FcTrue iff all objects in "p" match "font"
- */
-
-FcBool
-FcListPatternMatchAny (const FcPattern *p,
- const FcPattern *font)
-{
- int i;
-
- for (i = 0; i < p->num; i++)
- {
- FcPatternElt *pe = &FcPatternElts(p)[i];
- FcPatternElt *fe = FcPatternObjectFindElt (font, pe->object);
- if (!fe)
- return FcFalse;
- if (!FcListValueListMatchAny (FcPatternEltValues(pe), /* pat elts */
- FcPatternEltValues(fe))) /* font elts */
- return FcFalse;
- }
- return FcTrue;
-}
-
-static FcChar32
-FcListMatrixHash (const FcMatrix *m)
-{
- int xx = (int) (m->xx * 100),
- xy = (int) (m->xy * 100),
- yx = (int) (m->yx * 100),
- yy = (int) (m->yy * 100);
-
- return ((FcChar32) xx) ^ ((FcChar32) xy) ^ ((FcChar32) yx) ^ ((FcChar32) yy);
-}
-
-static FcChar32
-FcListValueHash (FcValue *value)
-{
- FcValue v = FcValueCanonicalize(value);
- switch (v.type) {
- case FcTypeVoid:
- return 0;
- case FcTypeInteger:
- return (FcChar32) v.u.i;
- case FcTypeDouble:
- return (FcChar32) (int) v.u.d;
- case FcTypeString:
- return FcStrHashIgnoreCase (v.u.s);
- case FcTypeBool:
- return (FcChar32) v.u.b;
- case FcTypeMatrix:
- return FcListMatrixHash (v.u.m);
- case FcTypeCharSet:
- return FcCharSetCount (v.u.c);
- case FcTypeFTFace:
- return (long) v.u.f;
- case FcTypeLangSet:
- return FcLangSetHash (v.u.l);
- }
- return 0;
-}
-
-static FcChar32
-FcListValueListHash (FcValueListPtr list)
-{
- FcChar32 h = 0;
-
- while (list != NULL)
- {
- h = h ^ FcListValueHash (&list->value);
- list = FcValueListNext(list);
- }
- return h;
-}
-
-static FcChar32
-FcListPatternHash (FcPattern *font,
- FcObjectSet *os)
-{
- int n;
- FcPatternElt *e;
- FcChar32 h = 0;
-
- for (n = 0; n < os->nobject; n++)
- {
- e = FcPatternObjectFindElt (font, FcObjectFromName (os->objects[n]));
- if (e)
- h = h ^ FcListValueListHash (FcPatternEltValues(e));
- }
- return h;
-}
-
-typedef struct _FcListBucket {
- struct _FcListBucket *next;
- FcChar32 hash;
- FcPattern *pattern;
-} FcListBucket;
-
-#define FC_LIST_HASH_SIZE 4099
-
-typedef struct _FcListHashTable {
- int entries;
- FcListBucket *buckets[FC_LIST_HASH_SIZE];
-} FcListHashTable;
-
-static void
-FcListHashTableInit (FcListHashTable *table)
-{
- table->entries = 0;
- memset (table->buckets, '\0', sizeof (table->buckets));
-}
-
-static void
-FcListHashTableCleanup (FcListHashTable *table)
-{
- int i;
- FcListBucket *bucket, *next;
-
- for (i = 0; i < FC_LIST_HASH_SIZE; i++)
- {
- for (bucket = table->buckets[i]; bucket; bucket = next)
- {
- next = bucket->next;
- FcPatternDestroy (bucket->pattern);
- FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
- free (bucket);
- }
- table->buckets[i] = 0;
- }
- table->entries = 0;
-}
-
-static int
-FcGetDefaultObjectLangIndex (FcPattern *font, FcObject object)
-{
- FcChar8 *lang = FcGetDefaultLang ();
- FcPatternElt *e = FcPatternObjectFindElt (font, object);
- FcValueListPtr v;
- FcValue value;
- int idx = -1;
- int i;
-
- if (e)
- {
- for (v = FcPatternEltValues(e), i = 0; v; v = FcValueListNext(v), ++i)
- {
- value = FcValueCanonicalize (&v->value);
-
- if (value.type == FcTypeString)
- {
- FcLangResult res = FcLangCompare (value.u.s, lang);
- if (res == FcLangEqual)
- return i;
-
- if (res == FcLangDifferentCountry && idx < 0)
- idx = i;
- }
- }
- }
-
- return (idx > 0) ? idx : 0;
-}
-
-static FcBool
-FcListAppend (FcListHashTable *table,
- FcPattern *font,
- FcObjectSet *os)
-{
- int o;
- FcPatternElt *e;
- FcValueListPtr v;
- FcChar32 hash;
- FcListBucket **prev, *bucket;
- int familyidx = -1;
- int fullnameidx = -1;
- int styleidx = -1;
- int defidx = 0;
- int idx;
-
- hash = FcListPatternHash (font, os);
- for (prev = &table->buckets[hash % FC_LIST_HASH_SIZE];
- (bucket = *prev); prev = &(bucket->next))
- {
- if (bucket->hash == hash &&
- FcListPatternEqual (bucket->pattern, font, os))
- return FcTrue;
- }
- bucket = (FcListBucket *) malloc (sizeof (FcListBucket));
- if (!bucket)
- goto bail0;
- FcMemAlloc (FC_MEM_LISTBUCK, sizeof (FcListBucket));
- bucket->next = 0;
- bucket->hash = hash;
- bucket->pattern = FcPatternCreate ();
- if (!bucket->pattern)
- goto bail1;
-
- for (o = 0; o < os->nobject; o++)
- {
- if (!strcmp (os->objects[o], FC_FAMILY) || !strcmp (os->objects[o], FC_FAMILYLANG))
- {
- if (familyidx < 0)
- familyidx = FcGetDefaultObjectLangIndex (font, FC_FAMILYLANG_OBJECT);
- defidx = familyidx;
- }
- else if (!strcmp (os->objects[o], FC_FULLNAME) || !strcmp (os->objects[o], FC_FULLNAMELANG))
- {
- if (fullnameidx < 0)
- fullnameidx = FcGetDefaultObjectLangIndex (font, FC_FULLNAMELANG_OBJECT);
- defidx = fullnameidx;
- }
- else if (!strcmp (os->objects[o], FC_STYLE) || !strcmp (os->objects[o], FC_STYLELANG))
- {
- if (styleidx < 0)
- styleidx = FcGetDefaultObjectLangIndex (font, FC_STYLELANG_OBJECT);
- defidx = styleidx;
- }
- else
- defidx = 0;
-
- e = FcPatternObjectFindElt (font, FcObjectFromName (os->objects[o]));
- if (e)
- {
- for (v = FcPatternEltValues(e), idx = 0; v;
- v = FcValueListNext(v), ++idx)
- {
- if (!FcPatternAdd (bucket->pattern,
- os->objects[o],
- FcValueCanonicalize(&v->value), defidx != idx))
- goto bail2;
- }
- }
- }
- *prev = bucket;
- ++table->entries;
-
- return FcTrue;
-
-bail2:
- FcPatternDestroy (bucket->pattern);
-bail1:
- FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
- free (bucket);
-bail0:
- return FcFalse;
-}
-
-FcFontSet *
-FcFontSetList (FcConfig *config,
- FcFontSet **sets,
- int nsets,
- FcPattern *p,
- FcObjectSet *os)
-{
- FcFontSet *ret;
- FcFontSet *s;
- int f;
- int set;
- FcListHashTable table;
- int i;
- FcListBucket *bucket;
- int destroy_os = 0;
-
- if (!config)
- {
- if (!FcInitBringUptoDate ())
- goto bail0;
-
- config = FcConfigGetCurrent ();
- if (!config)
- goto bail0;
- }
- FcListHashTableInit (&table);
-
- if (!os)
- {
- os = FcObjectGetSet ();
- destroy_os = 1;
- }
-
- /*
- * Walk all available fonts adding those that
- * match to the hash table
- */
- for (set = 0; set < nsets; set++)
- {
- s = sets[set];
- if (!s)
- continue;
- for (f = 0; f < s->nfont; f++)
- if (FcListPatternMatchAny (p, /* pattern */
- s->fonts[f])) /* font */
- if (!FcListAppend (&table, s->fonts[f], os))
- goto bail1;
- }
-#if 0
- {
- int max = 0;
- int full = 0;
- int ents = 0;
- int len;
- for (i = 0; i < FC_LIST_HASH_SIZE; i++)
- {
- if ((bucket = table.buckets[i]))
- {
- len = 0;
- for (; bucket; bucket = bucket->next)
- {
- ents++;
- len++;
- }
- if (len > max)
- max = len;
- full++;
- }
- }
- printf ("used: %d max: %d avg: %g\n", full, max,
- (double) ents / FC_LIST_HASH_SIZE);
- }
-#endif
- /*
- * Walk the hash table and build
- * a font set
- */
- ret = FcFontSetCreate ();
- if (!ret)
- goto bail0;
- for (i = 0; i < FC_LIST_HASH_SIZE; i++)
- while ((bucket = table.buckets[i]))
- {
- if (!FcFontSetAdd (ret, bucket->pattern))
- goto bail2;
- table.buckets[i] = bucket->next;
- FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
- free (bucket);
- }
-
- return ret;
-
-bail2:
- FcFontSetDestroy (ret);
-bail1:
- FcListHashTableCleanup (&table);
-bail0:
- if (destroy_os)
- FcObjectSetDestroy (os);
- return 0;
-}
-
-FcFontSet *
-FcFontList (FcConfig *config,
- FcPattern *p,
- FcObjectSet *os)
-{
- FcFontSet *sets[2];
- int nsets;
-
- if (!config)
- {
- if (!FcInitBringUptoDate ())
- return 0;
-
- config = FcConfigGetCurrent ();
- if (!config)
- return 0;
- }
- nsets = 0;
- if (config->fonts[FcSetSystem])
- sets[nsets++] = config->fonts[FcSetSystem];
- if (config->fonts[FcSetApplication])
- sets[nsets++] = config->fonts[FcSetApplication];
- return FcFontSetList (config, sets, nsets, p, os);
-}
-#define __fclist__
-#include "fcaliastail.h"
-#undef __fclist__
+/*
+ * fontconfig/src/fclist.c
+ *
+ * Copyright © 2000 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 the author(s) not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. The authors make no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHOR(S) 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"
+#include <stdlib.h>
+
+FcObjectSet *
+FcObjectSetCreate (void)
+{
+ FcObjectSet *os;
+
+ os = (FcObjectSet *) malloc (sizeof (FcObjectSet));
+ if (!os)
+ return 0;
+ FcMemAlloc (FC_MEM_OBJECTSET, sizeof (FcObjectSet));
+ os->nobject = 0;
+ os->sobject = 0;
+ os->objects = 0;
+ return os;
+}
+
+FcBool
+FcObjectSetAdd (FcObjectSet *os, const char *object)
+{
+ int s;
+ const char **objects;
+ int high, low, mid, c;
+
+ if (os->nobject == os->sobject)
+ {
+ s = os->sobject + 4;
+ if (os->objects)
+ objects = (const char **) realloc ((void *) os->objects,
+ s * sizeof (const char *));
+ else
+ objects = (const char **) malloc (s * sizeof (const char *));
+ if (!objects)
+ return FcFalse;
+ if (os->sobject)
+ FcMemFree (FC_MEM_OBJECTPTR, os->sobject * sizeof (const char *));
+ FcMemAlloc (FC_MEM_OBJECTPTR, s * sizeof (const char *));
+ os->objects = objects;
+ os->sobject = s;
+ }
+ high = os->nobject - 1;
+ low = 0;
+ mid = 0;
+ c = 1;
+ object = (char *)FcStrStaticName ((FcChar8 *)object);
+ while (low <= high)
+ {
+ mid = (low + high) >> 1;
+ c = os->objects[mid] - object;
+ if (c == 0)
+ return FcTrue;
+ if (c < 0)
+ low = mid + 1;
+ else
+ high = mid - 1;
+ }
+ if (c < 0)
+ mid++;
+ memmove (os->objects + mid + 1, os->objects + mid,
+ (os->nobject - mid) * sizeof (const char *));
+ os->objects[mid] = object;
+ os->nobject++;
+ return FcTrue;
+}
+
+void
+FcObjectSetDestroy (FcObjectSet *os)
+{
+ if (os->objects)
+ {
+ FcMemFree (FC_MEM_OBJECTPTR, os->sobject * sizeof (const char *));
+ free ((void *) os->objects);
+ }
+ FcMemFree (FC_MEM_OBJECTSET, sizeof (FcObjectSet));
+ free (os);
+}
+
+FcObjectSet *
+FcObjectSetVaBuild (const char *first, va_list va)
+{
+ FcObjectSet *ret;
+
+ FcObjectSetVapBuild (ret, first, va);
+ return ret;
+}
+
+FcObjectSet *
+FcObjectSetBuild (const char *first, ...)
+{
+ va_list va;
+ FcObjectSet *os;
+
+ va_start (va, first);
+ FcObjectSetVapBuild (os, first, va);
+ va_end (va);
+ return os;
+}
+
+/*
+ * Font must have a containing value for every value in the pattern
+ */
+static FcBool
+FcListValueListMatchAny (FcValueListPtr patOrig, /* pattern */
+ FcValueListPtr fntOrig) /* font */
+{
+ FcValueListPtr pat, fnt;
+
+ for (pat = patOrig; pat != NULL; pat = FcValueListNext(pat))
+ {
+ for (fnt = fntOrig; fnt != NULL; fnt = FcValueListNext(fnt))
+ {
+ /*
+ * make sure the font 'contains' the pattern.
+ * (OpListing is OpContains except for strings
+ * where it requires an exact match)
+ */
+ if (FcConfigCompareValue (&fnt->value,
+ FcOpListing,
+ &pat->value))
+ break;
+ }
+ if (fnt == NULL)
+ return FcFalse;
+ }
+ return FcTrue;
+}
+
+static FcBool
+FcListValueListEqual (FcValueListPtr v1orig,
+ FcValueListPtr v2orig)
+{
+ FcValueListPtr v1, v2;
+
+ for (v1 = v1orig; v1 != NULL; v1 = FcValueListNext(v1))
+ {
+ for (v2 = v2orig; v2 != NULL; v2 = FcValueListNext(v2))
+ if (FcValueEqual (FcValueCanonicalize(&(v1)->value),
+ FcValueCanonicalize(&(v2)->value)))
+ break;
+ if (v2 == NULL)
+ return FcFalse;
+ }
+ for (v2 = v2orig; v2 != NULL; v2 = FcValueListNext(v2))
+ {
+ for (v1 = v1orig; v1 != NULL; v1 = FcValueListNext(v1))
+ if (FcValueEqual (FcValueCanonicalize(&v1->value),
+ FcValueCanonicalize(&v2->value)))
+ break;
+ if (v1 == NULL)
+ return FcFalse;
+ }
+ return FcTrue;
+}
+
+static FcBool
+FcListPatternEqual (FcPattern *p1,
+ FcPattern *p2,
+ FcObjectSet *os)
+{
+ int i;
+ FcPatternElt *e1, *e2;
+
+ for (i = 0; i < os->nobject; i++)
+ {
+ e1 = FcPatternObjectFindElt (p1, FcObjectFromName (os->objects[i]));
+ e2 = FcPatternObjectFindElt (p2, FcObjectFromName (os->objects[i]));
+ if (!e1 && !e2)
+ continue;
+ if (!e1 || !e2)
+ return FcFalse;
+ if (!FcListValueListEqual (FcPatternEltValues(e1),
+ FcPatternEltValues(e2)))
+ return FcFalse;
+ }
+ return FcTrue;
+}
+
+/*
+ * FcTrue iff all objects in "p" match "font"
+ */
+
+FcBool
+FcListPatternMatchAny (const FcPattern *p,
+ const FcPattern *font)
+{
+ int i;
+
+ for (i = 0; i < p->num; i++)
+ {
+ FcPatternElt *pe = &FcPatternElts(p)[i];
+ FcPatternElt *fe = FcPatternObjectFindElt (font, pe->object);
+ if (!fe)
+ return FcFalse;
+ if (!FcListValueListMatchAny (FcPatternEltValues(pe), /* pat elts */
+ FcPatternEltValues(fe))) /* font elts */
+ return FcFalse;
+ }
+ return FcTrue;
+}
+
+static FcChar32
+FcListMatrixHash (const FcMatrix *m)
+{
+ int xx = (int) (m->xx * 100),
+ xy = (int) (m->xy * 100),
+ yx = (int) (m->yx * 100),
+ yy = (int) (m->yy * 100);
+
+ return ((FcChar32) xx) ^ ((FcChar32) xy) ^ ((FcChar32) yx) ^ ((FcChar32) yy);
+}
+
+static FcChar32
+FcListValueHash (FcValue *value)
+{
+ FcValue v = FcValueCanonicalize(value);
+ switch (v.type) {
+ case FcTypeVoid:
+ return 0;
+ case FcTypeInteger:
+ return (FcChar32) v.u.i;
+ case FcTypeDouble:
+ return (FcChar32) (int) v.u.d;
+ case FcTypeString:
+ return FcStrHashIgnoreCase (v.u.s);
+ case FcTypeBool:
+ return (FcChar32) v.u.b;
+ case FcTypeMatrix:
+ return FcListMatrixHash (v.u.m);
+ case FcTypeCharSet:
+ return FcCharSetCount (v.u.c);
+ case FcTypeFTFace:
+ return (long) v.u.f;
+ case FcTypeLangSet:
+ return FcLangSetHash (v.u.l);
+ }
+ return 0;
+}
+
+static FcChar32
+FcListValueListHash (FcValueListPtr list)
+{
+ FcChar32 h = 0;
+
+ while (list != NULL)
+ {
+ h = h ^ FcListValueHash (&list->value);
+ list = FcValueListNext(list);
+ }
+ return h;
+}
+
+static FcChar32
+FcListPatternHash (FcPattern *font,
+ FcObjectSet *os)
+{
+ int n;
+ FcPatternElt *e;
+ FcChar32 h = 0;
+
+ for (n = 0; n < os->nobject; n++)
+ {
+ e = FcPatternObjectFindElt (font, FcObjectFromName (os->objects[n]));
+ if (e)
+ h = h ^ FcListValueListHash (FcPatternEltValues(e));
+ }
+ return h;
+}
+
+typedef struct _FcListBucket {
+ struct _FcListBucket *next;
+ FcChar32 hash;
+ FcPattern *pattern;
+} FcListBucket;
+
+#define FC_LIST_HASH_SIZE 4099
+
+typedef struct _FcListHashTable {
+ int entries;
+ FcListBucket *buckets[FC_LIST_HASH_SIZE];
+} FcListHashTable;
+
+static void
+FcListHashTableInit (FcListHashTable *table)
+{
+ table->entries = 0;
+ memset (table->buckets, '\0', sizeof (table->buckets));
+}
+
+static void
+FcListHashTableCleanup (FcListHashTable *table)
+{
+ int i;
+ FcListBucket *bucket, *next;
+
+ for (i = 0; i < FC_LIST_HASH_SIZE; i++)
+ {
+ for (bucket = table->buckets[i]; bucket; bucket = next)
+ {
+ next = bucket->next;
+ FcPatternDestroy (bucket->pattern);
+ FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
+ free (bucket);
+ }
+ table->buckets[i] = 0;
+ }
+ table->entries = 0;
+}
+
+static int
+FcGetDefaultObjectLangIndex (FcPattern *font, FcObject object)
+{
+ FcChar8 *lang = FcGetDefaultLang ();
+ FcPatternElt *e = FcPatternObjectFindElt (font, object);
+ FcValueListPtr v;
+ FcValue value;
+ int idx = -1;
+ int i;
+
+ if (e)
+ {
+ for (v = FcPatternEltValues(e), i = 0; v; v = FcValueListNext(v), ++i)
+ {
+ value = FcValueCanonicalize (&v->value);
+
+ if (value.type == FcTypeString)
+ {
+ FcLangResult res = FcLangCompare (value.u.s, lang);
+ if (res == FcLangEqual)
+ return i;
+
+ if (res == FcLangDifferentCountry && idx < 0)
+ idx = i;
+ }
+ }
+ }
+
+ return (idx > 0) ? idx : 0;
+}
+
+static FcBool
+FcListAppend (FcListHashTable *table,
+ FcPattern *font,
+ FcObjectSet *os)
+{
+ int o;
+ FcPatternElt *e;
+ FcValueListPtr v;
+ FcChar32 hash;
+ FcListBucket **prev, *bucket;
+ int familyidx = -1;
+ int fullnameidx = -1;
+ int styleidx = -1;
+ int defidx = 0;
+ int idx;
+
+ hash = FcListPatternHash (font, os);
+ for (prev = &table->buckets[hash % FC_LIST_HASH_SIZE];
+ (bucket = *prev); prev = &(bucket->next))
+ {
+ if (bucket->hash == hash &&
+ FcListPatternEqual (bucket->pattern, font, os))
+ return FcTrue;
+ }
+ bucket = (FcListBucket *) malloc (sizeof (FcListBucket));
+ if (!bucket)
+ goto bail0;
+ FcMemAlloc (FC_MEM_LISTBUCK, sizeof (FcListBucket));
+ bucket->next = 0;
+ bucket->hash = hash;
+ bucket->pattern = FcPatternCreate ();
+ if (!bucket->pattern)
+ goto bail1;
+
+ for (o = 0; o < os->nobject; o++)
+ {
+ if (!strcmp (os->objects[o], FC_FAMILY) || !strcmp (os->objects[o], FC_FAMILYLANG))
+ {
+ if (familyidx < 0)
+ familyidx = FcGetDefaultObjectLangIndex (font, FC_FAMILYLANG_OBJECT);
+ defidx = familyidx;
+ }
+ else if (!strcmp (os->objects[o], FC_FULLNAME) || !strcmp (os->objects[o], FC_FULLNAMELANG))
+ {
+ if (fullnameidx < 0)
+ fullnameidx = FcGetDefaultObjectLangIndex (font, FC_FULLNAMELANG_OBJECT);
+ defidx = fullnameidx;
+ }
+ else if (!strcmp (os->objects[o], FC_STYLE) || !strcmp (os->objects[o], FC_STYLELANG))
+ {
+ if (styleidx < 0)
+ styleidx = FcGetDefaultObjectLangIndex (font, FC_STYLELANG_OBJECT);
+ defidx = styleidx;
+ }
+ else
+ defidx = 0;
+
+ e = FcPatternObjectFindElt (font, FcObjectFromName (os->objects[o]));
+ if (e)
+ {
+ for (v = FcPatternEltValues(e), idx = 0; v;
+ v = FcValueListNext(v), ++idx)
+ {
+ if (!FcPatternAdd (bucket->pattern,
+ os->objects[o],
+ FcValueCanonicalize(&v->value), defidx != idx))
+ goto bail2;
+ }
+ }
+ }
+ *prev = bucket;
+ ++table->entries;
+
+ return FcTrue;
+
+bail2:
+ FcPatternDestroy (bucket->pattern);
+bail1:
+ FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
+ free (bucket);
+bail0:
+ return FcFalse;
+}
+
+FcFontSet *
+FcFontSetList (FcConfig *config,
+ FcFontSet **sets,
+ int nsets,
+ FcPattern *p,
+ FcObjectSet *os)
+{
+ FcFontSet *ret;
+ FcFontSet *s;
+ int f;
+ int set;
+ FcListHashTable table;
+ int i;
+ FcListBucket *bucket;
+ int destroy_os = 0;
+
+ if (!config)
+ {
+ if (!FcInitBringUptoDate ())
+ goto bail0;
+
+ config = FcConfigGetCurrent ();
+ if (!config)
+ goto bail0;
+ }
+ FcListHashTableInit (&table);
+
+ if (!os)
+ {
+ os = FcObjectGetSet ();
+ destroy_os = 1;
+ }
+
+ /*
+ * Walk all available fonts adding those that
+ * match to the hash table
+ */
+ for (set = 0; set < nsets; set++)
+ {
+ s = sets[set];
+ if (!s)
+ continue;
+ for (f = 0; f < s->nfont; f++)
+ if (FcListPatternMatchAny (p, /* pattern */
+ s->fonts[f])) /* font */
+ if (!FcListAppend (&table, s->fonts[f], os))
+ goto bail1;
+ }
+#if 0
+ {
+ int max = 0;
+ int full = 0;
+ int ents = 0;
+ int len;
+ for (i = 0; i < FC_LIST_HASH_SIZE; i++)
+ {
+ if ((bucket = table.buckets[i]))
+ {
+ len = 0;
+ for (; bucket; bucket = bucket->next)
+ {
+ ents++;
+ len++;
+ }
+ if (len > max)
+ max = len;
+ full++;
+ }
+ }
+ printf ("used: %d max: %d avg: %g\n", full, max,
+ (double) ents / FC_LIST_HASH_SIZE);
+ }
+#endif
+ /*
+ * Walk the hash table and build
+ * a font set
+ */
+ ret = FcFontSetCreate ();
+ if (!ret)
+ goto bail0;
+ for (i = 0; i < FC_LIST_HASH_SIZE; i++)
+ while ((bucket = table.buckets[i]))
+ {
+ if (!FcFontSetAdd (ret, bucket->pattern))
+ goto bail2;
+ table.buckets[i] = bucket->next;
+ FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
+ free (bucket);
+ }
+
+ return ret;
+
+bail2:
+ FcFontSetDestroy (ret);
+bail1:
+ FcListHashTableCleanup (&table);
+bail0:
+ if (destroy_os)
+ FcObjectSetDestroy (os);
+ return 0;
+}
+
+FcFontSet *
+FcFontList (FcConfig *config,
+ FcPattern *p,
+ FcObjectSet *os)
+{
+ FcFontSet *sets[2];
+ int nsets;
+
+ if (!config)
+ {
+ if (!FcInitBringUptoDate ())
+ return 0;
+
+ config = FcConfigGetCurrent ();
+ if (!config)
+ return 0;
+ }
+ nsets = 0;
+ if (config->fonts[FcSetSystem])
+ sets[nsets++] = config->fonts[FcSetSystem];
+ if (config->fonts[FcSetApplication])
+ sets[nsets++] = config->fonts[FcSetApplication];
+ return FcFontSetList (config, sets, nsets, p, os);
+}
+#define __fclist__
+#include "fcaliastail.h"
+#undef __fclist__
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 10:58:53 +0000