/*
- * $RCSId: xc/lib/fontconfig/src/fcmatch.c,v 1.20 2002/08/31 22:17:32 keithp Exp $
+ * fontconfig/src/fcmatch.c
*
* Copyright © 2000 Keith Packard
*
* 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
+ * 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. Keith Packard makes no
+ * 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.
*
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * THE AUTHOR(S) 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
+ * 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
*/
#include "fcint.h"
-#include <string.h>
-#include <ctype.h>
-#include <stdio.h>
static double
FcCompareNumber (FcValue *value1, FcValue *value2)
{
double v1, v2, v;
-
- switch (value1->type) {
+
+ switch ((int) value1->type) {
case FcTypeInteger:
v1 = (double) value1->u.i;
break;
default:
return -1.0;
}
- switch (value2->type) {
+ switch ((int) value2->type) {
case FcTypeInteger:
v2 = (double) value2->u.i;
break;
static double
FcCompareString (FcValue *v1, FcValue *v2)
{
- return (double) FcStrCmpIgnoreCase (fc_value_string(v1), fc_value_string(v2)) != 0;
+ return (double) FcStrCmpIgnoreCase (FcValueString(v1), FcValueString(v2)) != 0;
}
static double
FcCompareFamily (FcValue *v1, FcValue *v2)
{
- /* rely on the guarantee in FcPatternAddWithBinding that
+ /* rely on the guarantee in FcPatternObjectAddWithBinding that
* families are always FcTypeString. */
- const FcChar8* v1_string = fc_value_string(v1);
- const FcChar8* v2_string = fc_value_string(v2);
+ const FcChar8* v1_string = FcValueString(v1);
+ const FcChar8* v2_string = FcValueString(v2);
- if (FcToLower(*v1_string) != FcToLower(*v2_string))
+ if (FcToLower(*v1_string) != FcToLower(*v2_string) &&
+ *v1_string != ' ' && *v2_string != ' ')
return 1.0;
return (double) FcStrCmpIgnoreBlanksAndCase (v1_string, v2_string) != 0;
}
static double
+FcComparePostScript (FcValue *v1, FcValue *v2)
+{
+ const FcChar8 *v1_string = FcValueString (v1);
+ const FcChar8 *v2_string = FcValueString (v2);
+ int n;
+ size_t len;
+
+ if (FcToLower (*v1_string) != FcToLower (*v2_string) &&
+ *v1_string != ' ' && *v2_string != ' ')
+ return 1.0;
+
+ n = FcStrMatchIgnoreCaseAndDelims (v1_string, v2_string, (const FcChar8 *)" -");
+ len = strlen ((const char *)v1_string);
+
+ return (double)(len - n) / (double)len;
+}
+
+static double
FcCompareLang (FcValue *v1, FcValue *v2)
{
FcLangResult result;
FcValue value1 = FcValueCanonicalize(v1), value2 = FcValueCanonicalize(v2);
-
- switch (value1.type) {
+
+ switch ((int) value1.type) {
case FcTypeLangSet:
- switch (value2.type) {
+ switch ((int) value2.type) {
case FcTypeLangSet:
result = FcLangSetCompare (value1.u.l, value2.u.l);
break;
case FcTypeString:
- result = FcLangSetHasLang (value1.u.l,
+ result = FcLangSetHasLang (value1.u.l,
value2.u.s);
break;
default:
}
break;
case FcTypeString:
- switch (value2.type) {
+ switch ((int) value2.type) {
case FcTypeLangSet:
result = FcLangSetHasLang (value2.u.l, value1.u.s);
break;
case FcTypeString:
- result = FcLangCompare (value1.u.s,
+ result = FcLangCompare (value1.u.s,
value2.u.s);
break;
default:
static double
FcCompareBool (FcValue *v1, FcValue *v2)
{
- if (fc_storage_type(v2) != FcTypeBool || fc_storage_type(v1) != FcTypeBool)
+ if (v2->type != FcTypeBool || v1->type != FcTypeBool)
return -1.0;
return (double) v2->u.b != v1->u.b;
}
static double
FcCompareCharSet (FcValue *v1, FcValue *v2)
{
- return (double) FcCharSetSubtractCount (fc_value_charset(v1), fc_value_charset(v2));
+ return (double) FcCharSetSubtractCount (FcValueCharSet(v1), FcValueCharSet(v2));
}
static double
{
double v1, v2, v;
- switch (value1->type) {
+ switch ((int) value1->type) {
case FcTypeInteger:
v1 = value1->u.i;
break;
default:
return -1;
}
- switch (value2->type) {
+ switch ((int) value2->type) {
case FcTypeInteger:
v2 = value2->u.i;
break;
return v;
}
+static double
+FcCompareFilename (FcValue *v1, FcValue *v2)
+{
+ const FcChar8 *s1 = FcValueString (v1), *s2 = FcValueString (v2);
+ if (FcStrCmp (s1, s2) == 0)
+ return 0.0;
+ else if (FcStrCmpIgnoreCase (s1, s2) == 0)
+ return 1.0;
+ else if (FcStrGlobMatch (s1, s2))
+ return 2.0;
+ else
+ return 3.0;
+}
+
+static double
+FcCompareHash (FcValue *v1, FcValue *v2)
+{
+ const FcChar8 *s1 = FcValueString (v1), *s2 = FcValueString (v2);
+
+ /* Do not match an empty string */
+ if (!s1 || !s2 || !s1[0] || !s2[0])
+ return 1.0;
+ return FcCompareString (v1, v2);
+}
+
+#define PRI_NULL(n) \
+ PRI_ ## n ## _STRONG = -1, \
+ PRI_ ## n ## _WEAK = -1,
+#define PRI1(n)
+#define PRI_FcCompareFamily(n) PRI1(n)
+#define PRI_FcCompareString(n) PRI1(n)
+#define PRI_FcCompareNumber(n) PRI1(n)
+#define PRI_FcCompareSize(n) PRI1(n)
+#define PRI_FcCompareBool(n) PRI1(n)
+#define PRI_FcCompareFilename(n) PRI1(n)
+#define PRI_FcCompareCharSet(n) PRI1(n)
+#define PRI_FcCompareLang(n) PRI1(n)
+#define PRI_FcComparePostScript(n) PRI1(n)
+#define PRI_FcCompareHash(n) PRI1(n)
+
+#define FC_OBJECT(NAME, Type, Cmp) PRI_##Cmp(NAME)
+
+typedef enum _FcMatcherPriorityDummy {
+#include "fcobjs.h"
+} FcMatcherPriorityDummy;
+
+#undef FC_OBJECT
+
+#undef PRI1
+#define PRI1(n) \
+ PRI_ ## n, \
+ PRI_ ## n ## _STRONG = PRI_ ## n, \
+ PRI_ ## n ## _WEAK = PRI_ ## n
+
+typedef enum _FcMatcherPriority {
+ PRI1(HASH),
+ PRI1(FILE),
+ PRI1(FONTFORMAT),
+ PRI1(SCALABLE),
+ PRI1(FOUNDRY),
+ PRI1(CHARSET),
+ PRI_FAMILY_STRONG,
+ PRI_POSTSCRIPT_NAME_STRONG,
+ PRI1(LANG),
+ PRI_FAMILY_WEAK,
+ PRI_POSTSCRIPT_NAME_WEAK,
+ PRI1(SPACING),
+ PRI1(PIXEL_SIZE),
+ PRI1(STYLE),
+ PRI1(SLANT),
+ PRI1(WEIGHT),
+ PRI1(WIDTH),
+ PRI1(DECORATIVE),
+ PRI1(ANTIALIAS),
+ PRI1(RASTERIZER),
+ PRI1(OUTLINE),
+ PRI1(FONTVERSION),
+ PRI_END
+} FcMatcherPriority;
+
+#undef PRI1
+
typedef struct _FcMatcher {
- FcObject object;
- double (*compare) (FcValue *value1, FcValue *value2);
- int strong, weak;
+ FcObject object;
+ double (*compare) (FcValue *value1, FcValue *value2);
+ int strong, weak;
} FcMatcher;
/*
* each value, earlier values are more significant than
* later values
*/
-static FcMatcher _FcMatchers [] = {
- { FC_FOUNDRY_OBJECT, FcCompareString, 0, 0 },
-#define MATCH_FOUNDRY 0
-#define MATCH_FOUNDRY_INDEX 0
-
- { FC_CHARSET_OBJECT, FcCompareCharSet, 1, 1 },
-#define MATCH_CHARSET 1
-#define MATCH_CHARSET_INDEX 1
-
- { FC_FAMILY_OBJECT, FcCompareFamily, 2, 4 },
-#define MATCH_FAMILY 2
-#define MATCH_FAMILY_STRONG_INDEX 2
-#define MATCH_FAMILY_WEAK_INDEX 4
-
- { FC_LANG_OBJECT, FcCompareLang, 3, 3 },
-#define MATCH_LANG 3
-#define MATCH_LANG_INDEX 3
-
- { FC_SPACING_OBJECT, FcCompareNumber, 5, 5 },
-#define MATCH_SPACING 4
-#define MATCH_SPACING_INDEX 5
-
- { FC_PIXEL_SIZE_OBJECT, FcCompareSize, 6, 6 },
-#define MATCH_PIXEL_SIZE 5
-#define MATCH_PIXEL_SIZE_INDEX 6
-
- { FC_STYLE_OBJECT, FcCompareString, 7, 7 },
-#define MATCH_STYLE 6
-#define MATCH_STYLE_INDEX 7
-
- { FC_SLANT_OBJECT, FcCompareNumber, 8, 8 },
-#define MATCH_SLANT 7
-#define MATCH_SLANT_INDEX 8
-
- { FC_WEIGHT_OBJECT, FcCompareNumber, 9, 9 },
-#define MATCH_WEIGHT 8
-#define MATCH_WEIGHT_INDEX 9
-
- { FC_WIDTH_OBJECT, FcCompareNumber, 10, 10 },
-#define MATCH_WIDTH 9
-#define MATCH_WIDTH_INDEX 10
-
- { FC_DECORATIVE_OBJECT, FcCompareBool, 11, 11 },
-#define MATCH_DECORATIVE 11
-#define MATCH_DECORATIVE_INDEX 12
-
- { FC_ANTIALIAS_OBJECT, FcCompareBool, 12, 12 },
-
-#define MATCH_ANTIALIAS 11
-#define MATCH_ANTIALIAS_INDEX 12
-
- { FC_RASTERIZER_OBJECT, FcCompareString, 13, 13 },
-#define MATCH_RASTERIZER 12
-#define MATCH_RASTERIZER_INDEX 12
-
- { FC_OUTLINE_OBJECT, FcCompareBool, 14, 14 },
-#define MATCH_OUTLINE 13
-#define MATCH_OUTLINE_INDEX 14
-
- { FC_FONTVERSION_OBJECT, FcCompareNumber, 15, 15 },
-#define MATCH_FONTVERSION 14
-#define MATCH_FONTVERSION_INDEX 15
+#define FC_OBJECT(NAME, Type, Cmp) { FC_##NAME##_OBJECT, Cmp, PRI_##NAME##_STRONG, PRI_##NAME##_WEAK },
+static const FcMatcher _FcMatchers [] = {
+ { FC_INVALID_OBJECT, NULL, -1, -1 },
+#include "fcobjs.h"
};
+#undef FC_OBJECT
-#define NUM_MATCH_VALUES 16
-
-static FcMatcher*
-FcObjectToMatcher (FcObject object)
+static const FcMatcher*
+FcObjectToMatcher (FcObject object,
+ FcBool include_lang)
{
- int i;
-
- i = -1;
- switch (object) {
- case FC_FOUNDRY_OBJECT:
- i = MATCH_FOUNDRY; break;
- case FC_FONTVERSION_OBJECT:
- i = MATCH_FONTVERSION; break;
- case FC_FAMILY_OBJECT:
- i = MATCH_FAMILY; break;
- case FC_CHARSET_OBJECT:
- i = MATCH_CHARSET; break;
- case FC_ANTIALIAS_OBJECT:
- i = MATCH_ANTIALIAS; break;
- case FC_LANG_OBJECT:
- i = MATCH_LANG; break;
- case FC_SPACING_OBJECT:
- i = MATCH_SPACING; break;
- case FC_STYLE_OBJECT:
- i = MATCH_STYLE; break;
- case FC_SLANT_OBJECT:
- i = MATCH_SLANT; break;
- case FC_PIXEL_SIZE_OBJECT:
- i = MATCH_PIXEL_SIZE; break;
- case FC_WIDTH_OBJECT:
- i = MATCH_WIDTH; break;
- case FC_WEIGHT_OBJECT:
- i = MATCH_WEIGHT; break;
- case FC_RASTERIZER_OBJECT:
- i = MATCH_RASTERIZER; break;
- case FC_OUTLINE_OBJECT:
- i = MATCH_OUTLINE; break;
- case FC_DECORATIVE_OBJECT:
- i = MATCH_DECORATIVE; break;
+ if (include_lang)
+ {
+ switch (object) {
+ case FC_FAMILYLANG_OBJECT:
+ case FC_STYLELANG_OBJECT:
+ case FC_FULLNAMELANG_OBJECT:
+ object = FC_LANG_OBJECT;
+ break;
+ }
}
-
- if (i < 0)
+ if (object > FC_MAX_BASE_OBJECT ||
+ !_FcMatchers[object].compare ||
+ _FcMatchers[object].strong == -1 ||
+ _FcMatchers[object].weak == -1)
return NULL;
- return _FcMatchers+i;
+ return _FcMatchers + object;
}
static FcBool
-FcCompareValueList (FcObject object,
- FcValueListPtr v1orig, /* pattern */
- FcValueListPtr v2orig, /* target */
- FcValue *bestValue,
- double *value,
- FcResult *result)
+FcCompareValueList (FcObject object,
+ const FcMatcher *match,
+ FcValueListPtr v1orig, /* pattern */
+ FcValueListPtr v2orig, /* target */
+ FcValue *bestValue,
+ double *value,
+ int *n,
+ FcResult *result)
{
FcValueListPtr v1, v2;
double v, best, bestStrong, bestWeak;
- int j;
- FcMatcher *match = FcObjectToMatcher(object);
+ int j, k, pos = 0;
if (!match)
{
if (bestValue)
*bestValue = FcValueCanonicalize(&v2orig->value);
+ if (n)
+ *n = 0;
return FcTrue;
}
best = 1e99;
bestStrong = 1e99;
bestWeak = 1e99;
- j = 0;
+ j = 1;
for (v1 = v1orig; v1; v1 = FcValueListNext(v1))
{
- for (v2 = v2orig; v2; v2 = FcValueListNext(v2))
+ for (v2 = v2orig, k = 0; v2; v2 = FcValueListNext(v2), k++)
{
v = (match->compare) (&v1->value, &v2->value);
if (v < 0)
*result = FcResultTypeMismatch;
return FcFalse;
}
- v = v * 100 + j;
+ v = v * 1000 + j;
if (v < best)
{
if (bestValue)
*bestValue = FcValueCanonicalize(&v2->value);
best = v;
+ pos = k;
}
if (v1->binding == FcValueBindingStrong)
{
value[strong] += bestStrong;
}
}
+ if (n)
+ *n = pos;
+
return FcTrue;
}
FcResult *result)
{
int i, i1, i2;
-
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+
+ for (i = 0; i < PRI_END; i++)
value[i] = 0.0;
-
+
i1 = 0;
i2 = 0;
while (i1 < pat->num && i2 < fnt->num)
i1++;
else
{
- if (!FcCompareValueList (elt_i1->object,
+ const FcMatcher *match = FcObjectToMatcher (elt_i1->object, FcFalse);
+ if (!FcCompareValueList (elt_i1->object, match,
FcPatternEltValues(elt_i1),
FcPatternEltValues(elt_i2),
- 0, value, result))
+ NULL, value, NULL, result))
return FcFalse;
i1++;
i2++;
{
FcPattern *new;
int i;
- FcPatternElt *fe, *pe;
+ FcPatternElt *fe, *pe, *fel, *pel;
FcValue v;
FcResult result;
-
+
+ assert (pat != NULL);
+ assert (font != NULL);
+
new = FcPatternCreate ();
if (!new)
- return 0;
+ return NULL;
for (i = 0; i < font->num; i++)
{
fe = &FcPatternElts(font)[i];
+ if (fe->object == FC_FAMILYLANG_OBJECT ||
+ fe->object == FC_STYLELANG_OBJECT ||
+ fe->object == FC_FULLNAMELANG_OBJECT)
+ {
+ /* ignore those objects. we need to deal with them
+ * another way */
+ continue;
+ }
+ if (fe->object == FC_FAMILY_OBJECT ||
+ fe->object == FC_STYLE_OBJECT ||
+ fe->object == FC_FULLNAME_OBJECT)
+ {
+ FC_ASSERT_STATIC ((FC_FAMILY_OBJECT + 1) == FC_FAMILYLANG_OBJECT);
+ FC_ASSERT_STATIC ((FC_STYLE_OBJECT + 1) == FC_STYLELANG_OBJECT);
+ FC_ASSERT_STATIC ((FC_FULLNAME_OBJECT + 1) == FC_FULLNAMELANG_OBJECT);
+
+ fel = FcPatternObjectFindElt (font, fe->object + 1);
+ pel = FcPatternObjectFindElt (pat, fe->object + 1);
+ }
+ else
+ {
+ fel = NULL;
+ pel = NULL;
+ }
pe = FcPatternObjectFindElt (pat, fe->object);
if (pe)
{
- if (!FcCompareValueList (pe->object, FcPatternEltValues(pe),
- FcPatternEltValues(fe), &v, 0, &result))
+ const FcMatcher *match = FcObjectToMatcher (pe->object, FcFalse);
+
+ if (!FcCompareValueList (pe->object, match,
+ FcPatternEltValues(pe),
+ FcPatternEltValues(fe), &v, NULL, NULL, &result))
{
FcPatternDestroy (new);
- return 0;
+ return NULL;
}
+ if (fel && pel)
+ {
+ int n = 1, j;
+ FcValueListPtr l1, l2, ln = NULL, ll = NULL;
+
+ match = FcObjectToMatcher (pel->object, FcTrue);
+ if (!FcCompareValueList (pel->object, match,
+ FcPatternEltValues (pel),
+ FcPatternEltValues (fel), NULL, NULL, &n, &result))
+ {
+ FcPatternDestroy (new);
+ return NULL;
+ }
+
+ for (j = 0, l1 = FcPatternEltValues (fe), l2 = FcPatternEltValues (fel);
+ l1 != NULL || l2 != NULL;
+ j++, l1 = l1 ? FcValueListNext (l1) : NULL, l2 = l2 ? FcValueListNext (l2) : NULL)
+ {
+ if (j == n)
+ {
+ if (l1)
+ ln = FcValueListPrepend (ln,
+ FcValueCanonicalize (&l1->value),
+ FcValueBindingStrong);
+ if (l2)
+ ll = FcValueListPrepend (ll,
+ FcValueCanonicalize (&l2->value),
+ FcValueBindingStrong);
+ }
+ else
+ {
+ if (l1)
+ ln = FcValueListAppend (ln,
+ FcValueCanonicalize (&l1->value),
+ FcValueBindingStrong);
+ if (l2)
+ ll = FcValueListAppend (ll,
+ FcValueCanonicalize (&l2->value),
+ FcValueBindingStrong);
+ }
+ }
+ FcPatternObjectListAdd (new, fe->object, ln, FcFalse);
+ FcPatternObjectListAdd (new, fel->object, ll, FcFalse);
+
+ continue;
+ }
+ else if (fel)
+ {
+ FcValueListPtr l1, l2;
+
+ copy_lang:
+ l1 = FcValueListDuplicate (FcPatternEltValues (fe));
+ l2 = FcValueListDuplicate (FcPatternEltValues (fel));
+ FcPatternObjectListAdd (new, fe->object, l1, FcFalse);
+ FcPatternObjectListAdd (new, fel->object, l2, FcFalse);
+
+ continue;
+ }
+ FcPatternObjectAdd (new, fe->object, v, FcFalse);
}
else
- v = FcValueCanonicalize(&FcPatternEltValues (fe)->value);
- FcPatternObjectAdd (new, fe->object, v, FcFalse);
+ {
+ if (fel)
+ goto copy_lang;
+ FcPatternObjectListAdd (new, fe->object,
+ FcValueListDuplicate (FcPatternEltValues (fe)),
+ FcTrue);
+ }
}
for (i = 0; i < pat->num; i++)
{
pe = &FcPatternElts(pat)[i];
fe = FcPatternObjectFindElt (font, pe->object);
- if (!fe)
+ if (!fe &&
+ pe->object != FC_FAMILYLANG_OBJECT &&
+ pe->object != FC_STYLELANG_OBJECT &&
+ pe->object != FC_FULLNAMELANG_OBJECT)
{
- v = FcValueCanonicalize(&FcPatternEltValues(pe)->value);
- FcPatternObjectAdd (new, pe->object, v, FcTrue);
+ FcPatternObjectListAdd (new, pe->object,
+ FcValueListDuplicate (FcPatternEltValues(pe)),
+ FcFalse);
}
}
return new;
}
-FcPattern *
-FcFontSetMatch (FcConfig *config,
- FcFontSet **sets,
- int nsets,
- FcPattern *p,
- FcResult *result)
+static FcPattern *
+FcFontSetMatchInternal (FcFontSet **sets,
+ int nsets,
+ FcPattern *p,
+ FcResult *result)
{
- double score[NUM_MATCH_VALUES], bestscore[NUM_MATCH_VALUES];
+ double score[PRI_END], bestscore[PRI_END];
int f;
FcFontSet *s;
FcPattern *best;
int i;
int set;
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+ for (i = 0; i < PRI_END; i++)
bestscore[i] = 0;
best = 0;
if (FcDebug () & FC_DBG_MATCH)
printf ("Match ");
FcPatternPrint (p);
}
- if (!config)
- {
- config = FcConfigGetCurrent ();
- if (!config)
- return 0;
- }
for (set = 0; set < nsets; set++)
{
s = sets[set];
if (FcDebug () & FC_DBG_MATCHV)
{
printf ("Score");
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+ for (i = 0; i < PRI_END; i++)
{
printf (" %g", score[i]);
}
printf ("\n");
}
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+ for (i = 0; i < PRI_END; i++)
{
if (best && bestscore[i] < score[i])
break;
if (!best || score[i] < bestscore[i])
{
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+ for (i = 0; i < PRI_END; i++)
bestscore[i] = score[i];
best = s->fonts[f];
break;
if (FcDebug () & FC_DBG_MATCH)
{
printf ("Best score");
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+ for (i = 0; i < PRI_END; i++)
printf (" %g", bestscore[i]);
+ printf ("\n");
FcPatternPrint (best);
}
- if (!best)
+ /* assuming that 'result' is initialized with FcResultNoMatch
+ * outside this function */
+ if (best)
+ *result = FcResultMatch;
+
+ return best;
+}
+
+FcPattern *
+FcFontSetMatch (FcConfig *config,
+ FcFontSet **sets,
+ int nsets,
+ FcPattern *p,
+ FcResult *result)
+{
+ FcPattern *best;
+
+ assert (sets != NULL);
+ assert (p != NULL);
+ assert (result != NULL);
+
+ *result = FcResultNoMatch;
+
+ if (!config)
{
- *result = FcResultNoMatch;
- return 0;
+ config = FcConfigGetCurrent ();
+ if (!config)
+ return 0;
}
- return FcFontRenderPrepare (config, p, best);
+ best = FcFontSetMatchInternal (sets, nsets, p, result);
+ if (best)
+ return FcFontRenderPrepare (config, p, best);
+ else
+ return NULL;
}
FcPattern *
FcFontMatch (FcConfig *config,
- FcPattern *p,
+ FcPattern *p,
FcResult *result)
{
FcFontSet *sets[2];
int nsets;
+ FcPattern *best;
+
+ assert (p != NULL);
+ assert (result != NULL);
+
+ *result = FcResultNoMatch;
if (!config)
{
sets[nsets++] = config->fonts[FcSetSystem];
if (config->fonts[FcSetApplication])
sets[nsets++] = config->fonts[FcSetApplication];
- return FcFontSetMatch (config, sets, nsets, p, result);
+
+ best = FcFontSetMatchInternal (sets, nsets, p, result);
+ if (best)
+ return FcFontRenderPrepare (config, p, best);
+ else
+ return NULL;
}
typedef struct _FcSortNode {
FcPattern *pattern;
- double score[NUM_MATCH_VALUES];
+ double score[PRI_END];
} FcSortNode;
static int
double ad = 0, bd = 0;
int i;
- i = NUM_MATCH_VALUES;
+ i = PRI_END;
while (i-- && (ad = *as++) == (bd = *bs++))
;
return ad < bd ? -1 : ad > bd ? 1 : 0;
}
static FcBool
-FcSortWalk (FcSortNode **n, int nnode, FcFontSet *fs, FcCharSet **cs, FcBool trim, FcBool build_cs)
+FcSortWalk (FcSortNode **n, int nnode, FcFontSet *fs, FcCharSet **csp, FcBool trim)
{
- FcCharSet *ncs;
- FcSortNode *node;
+ FcBool ret = FcFalse;
+ FcCharSet *cs;
+ int i;
+
+ cs = 0;
+ if (trim || csp)
+ {
+ cs = FcCharSetCreate ();
+ if (cs == NULL)
+ goto bail;
+ }
- while (nnode--)
+ for (i = 0; i < nnode; i++)
{
- node = *n++;
- if (FcPatternGetCharSet (node->pattern, FC_CHARSET, 0, &ncs) ==
- FcResultMatch)
+ FcSortNode *node = *n++;
+ FcBool adds_chars = FcFalse;
+
+ /*
+ * Only fetch node charset if we'd need it
+ */
+ if (cs)
+ {
+ FcCharSet *ncs;
+
+ if (FcPatternGetCharSet (node->pattern, FC_CHARSET, 0, &ncs) !=
+ FcResultMatch)
+ continue;
+
+ if (!FcCharSetMerge (cs, ncs, &adds_chars))
+ goto bail;
+ }
+
+ /*
+ * If this font isn't a subset of the previous fonts,
+ * add it to the list
+ */
+ if (!i || !trim || adds_chars)
{
- /*
- * If this font isn't a subset of the previous fonts,
- * add it to the list
- */
- if (!trim || !*cs || !FcCharSetIsSubset (ncs, *cs))
+ FcPatternReference (node->pattern);
+ if (FcDebug () & FC_DBG_MATCHV)
{
- if (trim || build_cs)
- {
- if (*cs)
- {
- ncs = FcCharSetUnion (ncs, *cs);
- if (!ncs)
- return FcFalse;
- FcCharSetDestroy (*cs);
- }
- else
- ncs = FcCharSetCopy (ncs);
- *cs = ncs;
- }
-
- FcPatternReference (node->pattern);
- if (FcDebug () & FC_DBG_MATCHV)
- {
- printf ("Add ");
- FcPatternPrint (node->pattern);
- }
- if (!FcFontSetAdd (fs, node->pattern))
- {
- FcPatternDestroy (node->pattern);
- return FcFalse;
- }
+ printf ("Add ");
+ FcPatternPrint (node->pattern);
+ }
+ if (!FcFontSetAdd (fs, node->pattern))
+ {
+ FcPatternDestroy (node->pattern);
+ goto bail;
}
}
}
- return FcTrue;
+ if (csp)
+ {
+ *csp = cs;
+ cs = 0;
+ }
+
+ ret = FcTrue;
+
+bail:
+ if (cs)
+ FcCharSetDestroy (cs);
+
+ return ret;
}
void
}
FcFontSet *
-FcFontSetSort (FcConfig *config,
+FcFontSetSort (FcConfig *config FC_UNUSED,
FcFontSet **sets,
int nsets,
FcPattern *p,
FcSortNode **nodeps, **nodep;
int nnodes;
FcSortNode *new;
- FcCharSet *cs;
int set;
int f;
int i;
FcBool *patternLangSat;
FcValue patternLang;
+ assert (sets != NULL);
+ assert (p != NULL);
+ assert (result != NULL);
+
+ /* There are some implementation that relying on the result of
+ * "result" to check if the return value of FcFontSetSort
+ * is valid or not.
+ * So we should initialize it to the conservative way since
+ * this function doesn't return NULL anymore.
+ */
+ if (result)
+ *result = FcResultNoMatch;
+
if (FcDebug () & FC_DBG_MATCH)
{
printf ("Sort ");
nnodes += s->nfont;
}
if (!nnodes)
- goto bail0;
-
+ return FcFontSetCreate ();
+
for (nPatternLang = 0;
FcPatternGet (p, FC_LANG, nPatternLang, &patternLang) == FcResultMatch;
nPatternLang++)
;
/* freed below */
- nodes = malloc (nnodes * sizeof (FcSortNode) +
+ nodes = malloc (nnodes * sizeof (FcSortNode) +
nnodes * sizeof (FcSortNode *) +
nPatternLang * sizeof (FcBool));
if (!nodes)
goto bail0;
nodeps = (FcSortNode **) (nodes + nnodes);
patternLangSat = (FcBool *) (nodeps + nnodes);
-
+
new = nodes;
nodep = nodeps;
for (set = 0; set < nsets; set++)
if (FcDebug () & FC_DBG_MATCHV)
{
printf ("Score");
- for (i = 0; i < NUM_MATCH_VALUES; i++)
+ for (i = 0; i < PRI_END; i++)
{
printf (" %g", new->score[i]);
}
}
nnodes = new - nodes;
-
+
qsort (nodeps, nnodes, sizeof (FcSortNode *),
FcSortCompare);
-
+
for (i = 0; i < nPatternLang; i++)
patternLangSat[i] = FcFalse;
-
+
for (f = 0; f < nnodes; f++)
{
FcBool satisfies = FcFalse;
* If this node matches any language, go check
* which ones and satisfy those entries
*/
- if (nodeps[f]->score[MATCH_LANG_INDEX] < 200)
+ if (nodeps[f]->score[PRI_LANG] < 2000)
{
for (i = 0; i < nPatternLang; i++)
{
}
}
if (!satisfies)
- nodeps[f]->score[MATCH_LANG_INDEX] = 1000.0;
+ {
+ nodeps[f]->score[PRI_LANG] = 10000.0;
+ }
}
/*
if (!ret)
goto bail1;
- cs = 0;
-
- if (!FcSortWalk (nodeps, nnodes, ret, &cs, trim, (csp!=0)))
+ if (!FcSortWalk (nodeps, nnodes, ret, csp, trim))
goto bail2;
- if (csp)
- *csp = cs;
- else
- {
- if (cs)
- FcCharSetDestroy (cs);
- }
-
free (nodes);
if (FcDebug() & FC_DBG_MATCH)
printf ("First font ");
FcPatternPrint (ret->fonts[0]);
}
+ if (ret->nfont > 0)
+ *result = FcResultMatch;
+
return ret;
bail2:
- if (cs)
- FcCharSetDestroy (cs);
FcFontSetDestroy (ret);
bail1:
free (nodes);
FcFontSet *
FcFontSort (FcConfig *config,
- FcPattern *p,
+ FcPattern *p,
FcBool trim,
FcCharSet **csp,
FcResult *result)
FcFontSet *sets[2];
int nsets;
+ assert (p != NULL);
+ assert (result != NULL);
+
+ *result = FcResultNoMatch;
+
if (!config)
{
config = FcConfigGetCurrent ();
sets[nsets++] = config->fonts[FcSetApplication];
return FcFontSetSort (config, sets, nsets, p, trim, csp, result);
}
+#define __fcmatch__
+#include "fcaliastail.h"
+#undef __fcmatch__
projects / platform / upstream / fontconfig.git / blobdiff