/*
- * $XFree86: xc/lib/fontconfig/src/fcmatch.c,v 1.2 2002/02/15 06:01:28 keithp Exp $
+ * fontconfig/src/fcmatch.c
*
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ * 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 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
* PERFORMANCE OF THIS SOFTWARE.
*/
+#include "fcint.h"
+#include <assert.h>
#include <string.h>
#include <ctype.h>
-#include "fcint.h"
#include <stdio.h>
static double
-FcCompareInteger (char *object, FcValue value1, FcValue value2)
+FcCompareNumber (FcValue *value1, FcValue *value2)
{
- int v;
-
- if (value2.type != FcTypeInteger || value1.type != FcTypeInteger)
+ double v1, v2, v;
+
+ switch (value1->type) {
+ case FcTypeInteger:
+ v1 = (double) value1->u.i;
+ break;
+ case FcTypeDouble:
+ v1 = value1->u.d;
+ break;
+ default:
return -1.0;
- v = value2.u.i - value1.u.i;
+ }
+ switch (value2->type) {
+ case FcTypeInteger:
+ v2 = (double) value2->u.i;
+ break;
+ case FcTypeDouble:
+ v2 = value2->u.d;
+ break;
+ default:
+ return -1.0;
+ }
+ v = v2 - v1;
if (v < 0)
v = -v;
- return (double) v;
+ return v;
}
static double
-FcCompareString (char *object, FcValue value1, FcValue value2)
+FcCompareString (FcValue *v1, FcValue *v2)
{
- if (value2.type != FcTypeString || value1.type != FcTypeString)
- return -1.0;
- return (double) FcStrCmpIgnoreCase (value1.u.s, value2.u.s) != 0;
+ return (double) FcStrCmpIgnoreCase (FcValueString(v1), FcValueString(v2)) != 0;
}
static double
-FcCompareBool (char *object, FcValue value1, FcValue value2)
+FcCompareFamily (FcValue *v1, FcValue *v2)
{
- if (value2.type != FcTypeBool || value1.type != FcTypeBool)
+ /* rely on the guarantee in FcPatternObjectAddWithBinding that
+ * families are always FcTypeString. */
+ const FcChar8* v1_string = FcValueString(v1);
+ const FcChar8* v2_string = FcValueString(v2);
+
+ if (FcToLower(*v1_string) != FcToLower(*v2_string) &&
+ *v1_string != ' ' && *v2_string != ' ')
+ return 1.0;
+
+ return (double) FcStrCmpIgnoreBlanksAndCase (v1_string, v2_string) != 0;
+}
+
+static double
+FcCompareLang (FcValue *v1, FcValue *v2)
+{
+ FcLangResult result;
+ FcValue value1 = FcValueCanonicalize(v1), value2 = FcValueCanonicalize(v2);
+
+ switch (value1.type) {
+ case FcTypeLangSet:
+ switch (value2.type) {
+ case FcTypeLangSet:
+ result = FcLangSetCompare (value1.u.l, value2.u.l);
+ break;
+ case FcTypeString:
+ result = FcLangSetHasLang (value1.u.l,
+ value2.u.s);
+ break;
+ default:
+ return -1.0;
+ }
+ break;
+ case FcTypeString:
+ switch (value2.type) {
+ case FcTypeLangSet:
+ result = FcLangSetHasLang (value2.u.l, value1.u.s);
+ break;
+ case FcTypeString:
+ result = FcLangCompare (value1.u.s,
+ value2.u.s);
+ break;
+ default:
+ return -1.0;
+ }
+ break;
+ default:
return -1.0;
- return (double) value2.u.b != value1.u.b;
+ }
+ switch (result) {
+ case FcLangEqual:
+ return 0;
+ case FcLangDifferentCountry:
+ return 1;
+ case FcLangDifferentLang:
+ default:
+ return 2;
+ }
}
static double
-FcCompareCharSet (char *object, FcValue value1, FcValue value2)
+FcCompareBool (FcValue *v1, FcValue *v2)
{
- if (value2.type != FcTypeCharSet || value1.type != FcTypeCharSet)
+ if (v2->type != FcTypeBool || v1->type != FcTypeBool)
return -1.0;
- return (double) FcCharSetSubtractCount (value1.u.c, value2.u.c);
+ return (double) v2->u.b != v1->u.b;
+}
+
+static double
+FcCompareCharSet (FcValue *v1, FcValue *v2)
+{
+ return (double) FcCharSetSubtractCount (FcValueCharSet(v1), FcValueCharSet(v2));
}
static double
-FcCompareSize (char *object, FcValue value1, FcValue value2)
+FcCompareSize (FcValue *value1, FcValue *value2)
{
double v1, v2, v;
- switch (value1.type) {
+ switch (value1->type) {
case FcTypeInteger:
- v1 = value1.u.i;
+ v1 = value1->u.i;
break;
case FcTypeDouble:
- v1 = value1.u.d;
+ v1 = value1->u.d;
break;
default:
return -1;
}
- switch (value2.type) {
+ switch (value2->type) {
case FcTypeInteger:
- v2 = value2.u.i;
+ v2 = value2->u.i;
break;
case FcTypeDouble:
- v2 = value2.u.d;
+ v2 = value2->u.d;
break;
default:
return -1;
return v;
}
+typedef struct _FcMatcher {
+ FcObject object;
+ double (*compare) (FcValue *value1, FcValue *value2);
+ int strong, weak;
+} FcMatcher;
+
/*
* Order is significant, it defines the precedence of
* each value, earlier values are more significant than
* later values
*/
-static FcMatcher _FcMatchers [] = {
- { FC_FOUNDRY, FcCompareString, },
- { FC_CHARSET, FcCompareCharSet },
- { FC_ANTIALIAS, FcCompareBool, },
- { FC_LANG, FcCompareString },
- { FC_FAMILY, FcCompareString, },
- { FC_SPACING, FcCompareInteger, },
- { FC_PIXEL_SIZE, FcCompareSize, },
- { FC_STYLE, FcCompareString, },
- { FC_SLANT, FcCompareInteger, },
- { FC_WEIGHT, FcCompareInteger, },
- { FC_RASTERIZER, FcCompareString, },
- { FC_OUTLINE, FcCompareBool, },
+static const FcMatcher _FcMatchers [] = {
+ { FC_FOUNDRY_OBJECT, FcCompareString, 0, 0 },
+#define MATCH_FOUNDRY 0
+ { FC_CHARSET_OBJECT, FcCompareCharSet, 1, 1 },
+#define MATCH_CHARSET 1
+ { FC_FAMILY_OBJECT, FcCompareFamily, 2, 4 },
+#define MATCH_FAMILY 2
+ { 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
+ { FC_PIXEL_SIZE_OBJECT, FcCompareSize, 6, 6 },
+#define MATCH_PIXEL_SIZE 5
+ { FC_STYLE_OBJECT, FcCompareString, 7, 7 },
+#define MATCH_STYLE 6
+ { FC_SLANT_OBJECT, FcCompareNumber, 8, 8 },
+#define MATCH_SLANT 7
+ { FC_WEIGHT_OBJECT, FcCompareNumber, 9, 9 },
+#define MATCH_WEIGHT 8
+ { FC_WIDTH_OBJECT, FcCompareNumber, 10, 10 },
+#define MATCH_WIDTH 9
+ { FC_DECORATIVE_OBJECT, FcCompareBool, 11, 11 },
+#define MATCH_DECORATIVE 10
+ { FC_ANTIALIAS_OBJECT, FcCompareBool, 12, 12 },
+#define MATCH_ANTIALIAS 11
+ { FC_RASTERIZER_OBJECT, FcCompareString, 13, 13 },
+#define MATCH_RASTERIZER 12
+ { FC_OUTLINE_OBJECT, FcCompareBool, 14, 14 },
+#define MATCH_OUTLINE 13
+ { FC_FONTVERSION_OBJECT, FcCompareNumber, 15, 15 },
+#define MATCH_FONTVERSION 14
};
-#define NUM_MATCHER (sizeof _FcMatchers / sizeof _FcMatchers[0])
+#define NUM_MATCH_VALUES 16
+
+static const FcMatcher*
+FcObjectToMatcher (FcObject object)
+{
+ 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 (i < 0)
+ return NULL;
+
+ return _FcMatchers+i;
+}
static FcBool
-FcCompareValueList (const char *object,
- FcValueList *v1orig, /* pattern */
- FcValueList *v2orig, /* target */
+FcCompareValueList (FcObject object,
+ FcValueListPtr v1orig, /* pattern */
+ FcValueListPtr v2orig, /* target */
FcValue *bestValue,
double *value,
FcResult *result)
{
- FcValueList *v1, *v2;
- double v, best;
+ FcValueListPtr v1, v2;
+ double v, best, bestStrong, bestWeak;
int j;
- int i;
-
- for (i = 0; i < NUM_MATCHER; i++)
- {
- if (!FcStrCmpIgnoreCase ((FcChar8 *) _FcMatchers[i].object,
- (FcChar8 *) object))
- break;
- }
- if (i == NUM_MATCHER)
+ const FcMatcher *match = FcObjectToMatcher(object);
+
+ if (!match)
{
if (bestValue)
- *bestValue = v2orig->value;
+ *bestValue = FcValueCanonicalize(&v2orig->value);
return FcTrue;
}
-
+
best = 1e99;
- j = 0;
- for (v1 = v1orig; v1; v1 = v1->next)
+ bestStrong = 1e99;
+ bestWeak = 1e99;
+ j = 1;
+ for (v1 = v1orig; v1; v1 = FcValueListNext(v1))
{
- for (v2 = v2orig; v2; v2 = v2->next)
+ for (v2 = v2orig; v2; v2 = FcValueListNext(v2))
{
- v = (*_FcMatchers[i].compare) (_FcMatchers[i].object,
- v1->value,
- v2->value);
+ v = (match->compare) (&v1->value, &v2->value);
if (v < 0)
{
*result = FcResultTypeMismatch;
return FcFalse;
}
- if (FcDebug () & FC_DBG_MATCHV)
- printf (" v %g j %d ", v, j);
- v = v * 100 + j;
+ v = v * 1000 + j;
if (v < best)
{
if (bestValue)
- *bestValue = v2->value;
+ *bestValue = FcValueCanonicalize(&v2->value);
best = v;
}
+ if (v1->binding == FcValueBindingStrong)
+ {
+ if (v < bestStrong)
+ bestStrong = v;
+ }
+ else
+ {
+ if (v < bestWeak)
+ bestWeak = v;
+ }
}
j++;
}
if (FcDebug () & FC_DBG_MATCHV)
{
- printf (" %s: %g ", object, best);
+ printf (" %s: %g ", FcObjectName (object), best);
FcValueListPrint (v1orig);
printf (", ");
FcValueListPrint (v2orig);
printf ("\n");
}
- value[i] += best;
+ if (value)
+ {
+ int weak = match->weak;
+ int strong = match->strong;
+ if (weak == strong)
+ value[strong] += best;
+ else
+ {
+ value[weak] += bestWeak;
+ value[strong] += bestStrong;
+ }
+ }
return FcTrue;
}
FcResult *result)
{
int i, i1, i2;
-
- for (i = 0; i < NUM_MATCHER; i++)
+
+ for (i = 0; i < NUM_MATCH_VALUES; i++)
value[i] = 0.0;
-
- for (i1 = 0; i1 < pat->num; i1++)
+
+ i1 = 0;
+ i2 = 0;
+ while (i1 < pat->num && i2 < fnt->num)
{
- for (i2 = 0; i2 < fnt->num; i2++)
+ FcPatternElt *elt_i1 = &FcPatternElts(pat)[i1];
+ FcPatternElt *elt_i2 = &FcPatternElts(fnt)[i2];
+
+ i = FcObjectCompare(elt_i1->object, elt_i2->object);
+ if (i > 0)
+ i2++;
+ else if (i < 0)
+ i1++;
+ else
{
- if (!FcStrCmpIgnoreCase ((FcChar8 *) pat->elts[i1].object,
- (FcChar8 *) fnt->elts[i2].object))
- {
- if (!FcCompareValueList (pat->elts[i1].object,
- pat->elts[i1].values,
- fnt->elts[i2].values,
- 0,
- value,
- result))
- return FcFalse;
- break;
- }
+ if (!FcCompareValueList (elt_i1->object,
+ FcPatternEltValues(elt_i1),
+ FcPatternEltValues(elt_i2),
+ 0, value, result))
+ return FcFalse;
+ i1++;
+ i2++;
}
-#if 0
- /*
- * Overspecified patterns are slightly penalized in
- * case some other font includes the requested field
- */
- if (i2 == fnt->num)
+ }
+ return FcTrue;
+}
+
+FcPattern *
+FcFontRenderPrepare (FcConfig *config,
+ FcPattern *pat,
+ FcPattern *font)
+{
+ FcPattern *new;
+ int i;
+ FcPatternElt *fe, *pe;
+ FcValue v;
+ FcResult result;
+
+ assert (pat != NULL);
+ assert (font != NULL);
+
+ new = FcPatternCreate ();
+ if (!new)
+ return 0;
+ for (i = 0; i < font->num; i++)
+ {
+ fe = &FcPatternElts(font)[i];
+ pe = FcPatternObjectFindElt (pat, fe->object);
+ if (pe)
{
- for (i2 = 0; i2 < NUM_MATCHER; i2++)
+ if (!FcCompareValueList (pe->object, FcPatternEltValues(pe),
+ FcPatternEltValues(fe), &v, 0, &result))
{
- if (!FcStrCmpIgnoreCase (_FcMatchers[i2].object,
- pat->elts[i1].object))
- {
- value[i2] = 1.0;
- break;
- }
+ FcPatternDestroy (new);
+ return 0;
}
}
-#endif
+ else
+ v = FcValueCanonicalize(&FcPatternEltValues (fe)->value);
+ FcPatternObjectAdd (new, fe->object, v, FcFalse);
}
- return FcTrue;
+ for (i = 0; i < pat->num; i++)
+ {
+ pe = &FcPatternElts(pat)[i];
+ fe = FcPatternObjectFindElt (font, pe->object);
+ if (!fe)
+ {
+ v = FcValueCanonicalize(&FcPatternEltValues(pe)->value);
+ FcPatternObjectAdd (new, pe->object, v, FcTrue);
+ }
+ }
+
+ FcConfigSubstituteWithPat (config, new, pat, FcMatchFont);
+ return new;
}
-FcPattern *
-FcFontSetMatch (FcConfig *config,
- FcFontSet **sets,
- int nsets,
- FcPattern *p,
- FcResult *result)
+static FcPattern *
+FcFontSetMatchInternal (FcConfig *config,
+ FcFontSet **sets,
+ int nsets,
+ FcPattern *p,
+ FcResult *result)
{
- double score[NUM_MATCHER], bestscore[NUM_MATCHER];
+ double score[NUM_MATCH_VALUES], bestscore[NUM_MATCH_VALUES];
int f;
FcFontSet *s;
FcPattern *best;
- FcPattern *new;
- FcPatternElt *fe, *pe;
- FcValue v;
int i;
- FcSetName set;
+ int set;
- for (i = 0; i < NUM_MATCHER; i++)
+ for (i = 0; i < NUM_MATCH_VALUES; 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_MATCHER; i++)
+ for (i = 0; i < NUM_MATCH_VALUES; i++)
{
printf (" %g", score[i]);
}
printf ("\n");
}
- for (i = 0; i < NUM_MATCHER; i++)
+ for (i = 0; i < NUM_MATCH_VALUES; i++)
{
if (best && bestscore[i] < score[i])
break;
if (!best || score[i] < bestscore[i])
{
- for (i = 0; i < NUM_MATCHER; i++)
+ for (i = 0; i < NUM_MATCH_VALUES; i++)
bestscore[i] = score[i];
best = s->fonts[f];
break;
if (FcDebug () & FC_DBG_MATCH)
{
printf ("Best score");
- for (i = 0; i < NUM_MATCHER; i++)
+ for (i = 0; i < NUM_MATCH_VALUES; i++)
printf (" %g", bestscore[i]);
+ printf ("\n");
FcPatternPrint (best);
}
if (!best)
*result = FcResultNoMatch;
return 0;
}
- new = FcPatternCreate ();
- if (!new)
- return 0;
- for (i = 0; i < best->num; i++)
+ 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);
+
+ if (!config)
{
- fe = &best->elts[i];
- pe = FcPatternFind (p, fe->object, FcFalse);
- if (pe)
+ config = FcConfigGetCurrent ();
+ if (!config)
+ return 0;
+ }
+ best = FcFontSetMatchInternal (config, sets, nsets, p, result);
+ if (best)
+ return FcFontRenderPrepare (config, p, best);
+ else
+ return NULL;
+}
+
+FcPattern *
+FcFontMatch (FcConfig *config,
+ FcPattern *p,
+ FcResult *result)
+{
+ FcFontSet *sets[2];
+ int nsets;
+ FcPattern *best;
+
+ assert (p != NULL);
+ assert (result != NULL);
+
+ if (!config)
+ {
+ 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];
+
+ best = FcFontSetMatchInternal (config, sets, nsets, p, result);
+ if (best)
+ return FcFontRenderPrepare (config, p, best);
+ else
+ return NULL;
+}
+
+typedef struct _FcSortNode {
+ FcPattern *pattern;
+ double score[NUM_MATCH_VALUES];
+} FcSortNode;
+
+static int
+FcSortCompare (const void *aa, const void *ab)
+{
+ FcSortNode *a = *(FcSortNode **) aa;
+ FcSortNode *b = *(FcSortNode **) ab;
+ double *as = &a->score[0];
+ double *bs = &b->score[0];
+ double ad = 0, bd = 0;
+ int i;
+
+ i = NUM_MATCH_VALUES;
+ while (i-- && (ad = *as++) == (bd = *bs++))
+ ;
+ return ad < bd ? -1 : ad > bd ? 1 : 0;
+}
+
+static FcBool
+FcSortWalk (FcSortNode **n, int nnode, FcFontSet *fs, FcCharSet **csp, FcBool trim)
+{
+ FcBool ret = FcFalse;
+ FcCharSet *cs;
+
+ cs = 0;
+ if (trim || csp)
+ {
+ cs = FcCharSetCreate ();
+ if (cs == NULL)
+ goto bail;
+ }
+
+ while (nnode--)
+ {
+ 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 (!trim || adds_chars)
{
- if (!FcCompareValueList (pe->object, pe->values,
- fe->values, &v, score, result))
+ FcPatternReference (node->pattern);
+ if (FcDebug () & FC_DBG_MATCHV)
{
- FcPatternDestroy (new);
- return 0;
+ printf ("Add ");
+ FcPatternPrint (node->pattern);
+ }
+ if (!FcFontSetAdd (fs, node->pattern))
+ {
+ FcPatternDestroy (node->pattern);
+ goto bail;
}
}
- else
- v = fe->values->value;
- FcPatternAdd (new, fe->object, v, FcTrue);
}
- for (i = 0; i < p->num; i++)
+ if (csp)
{
- pe = &p->elts[i];
- fe = FcPatternFind (best, pe->object, FcFalse);
- if (!fe)
- FcPatternAdd (new, pe->object, pe->values->value, FcTrue);
+ *csp = cs;
+ cs = 0;
}
- FcConfigSubstitute (config, new, FcMatchFont);
- return new;
+
+ ret = FcTrue;
+
+bail:
+ if (cs)
+ FcCharSetDestroy (cs);
+
+ return ret;
}
-FcPattern *
-FcFontMatch (FcConfig *config,
- FcPattern *p,
- FcResult *result)
+void
+FcFontSetSortDestroy (FcFontSet *fs)
+{
+ FcFontSetDestroy (fs);
+}
+
+FcFontSet *
+FcFontSetSort (FcConfig *config,
+ FcFontSet **sets,
+ int nsets,
+ FcPattern *p,
+ FcBool trim,
+ FcCharSet **csp,
+ FcResult *result)
+{
+ FcFontSet *ret;
+ FcFontSet *s;
+ FcSortNode *nodes;
+ FcSortNode **nodeps, **nodep;
+ int nnodes;
+ FcSortNode *new;
+ int set;
+ int f;
+ int i;
+ int nPatternLang;
+ 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 ");
+ FcPatternPrint (p);
+ }
+ nnodes = 0;
+ for (set = 0; set < nsets; set++)
+ {
+ s = sets[set];
+ if (!s)
+ continue;
+ nnodes += s->nfont;
+ }
+ if (!nnodes)
+ return FcFontSetCreate ();
+
+ for (nPatternLang = 0;
+ FcPatternGet (p, FC_LANG, nPatternLang, &patternLang) == FcResultMatch;
+ nPatternLang++)
+ ;
+
+ /* freed below */
+ 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++)
+ {
+ s = sets[set];
+ if (!s)
+ continue;
+ for (f = 0; f < s->nfont; f++)
+ {
+ if (FcDebug () & FC_DBG_MATCHV)
+ {
+ printf ("Font %d ", f);
+ FcPatternPrint (s->fonts[f]);
+ }
+ new->pattern = s->fonts[f];
+ if (!FcCompare (p, new->pattern, new->score, result))
+ goto bail1;
+ if (FcDebug () & FC_DBG_MATCHV)
+ {
+ printf ("Score");
+ for (i = 0; i < NUM_MATCH_VALUES; i++)
+ {
+ printf (" %g", new->score[i]);
+ }
+ printf ("\n");
+ }
+ *nodep = new;
+ new++;
+ nodep++;
+ }
+ }
+
+ 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] < 2000)
+ {
+ for (i = 0; i < nPatternLang; i++)
+ {
+ FcValue nodeLang;
+
+ if (!patternLangSat[i] &&
+ FcPatternGet (p, FC_LANG, i, &patternLang) == FcResultMatch &&
+ FcPatternGet (nodeps[f]->pattern, FC_LANG, 0, &nodeLang) == FcResultMatch)
+ {
+ double compare = FcCompareLang (&patternLang, &nodeLang);
+ if (compare >= 0 && compare < 2)
+ {
+ if (FcDebug () & FC_DBG_MATCHV)
+ {
+ FcChar8 *family;
+ FcChar8 *style;
+
+ if (FcPatternGetString (nodeps[f]->pattern, FC_FAMILY, 0, &family) == FcResultMatch &&
+ FcPatternGetString (nodeps[f]->pattern, FC_STYLE, 0, &style) == FcResultMatch)
+ printf ("Font %s:%s matches language %d\n", family, style, i);
+ }
+ patternLangSat[i] = FcTrue;
+ satisfies = FcTrue;
+ break;
+ }
+ }
+ }
+ }
+ if (!satisfies)
+ nodeps[f]->score[MATCH_LANG_INDEX] = 10000.0;
+ }
+
+ /*
+ * Re-sort once the language issues have been settled
+ */
+ qsort (nodeps, nnodes, sizeof (FcSortNode *),
+ FcSortCompare);
+
+ ret = FcFontSetCreate ();
+ if (!ret)
+ goto bail1;
+
+ if (!FcSortWalk (nodeps, nnodes, ret, csp, trim))
+ goto bail2;
+
+ free (nodes);
+
+ if (FcDebug() & FC_DBG_MATCH)
+ {
+ printf ("First font ");
+ FcPatternPrint (ret->fonts[0]);
+ }
+ return ret;
+
+bail2:
+ FcFontSetDestroy (ret);
+bail1:
+ free (nodes);
+bail0:
+ return 0;
+}
+
+FcFontSet *
+FcFontSort (FcConfig *config,
+ FcPattern *p,
+ FcBool trim,
+ FcCharSet **csp,
+ FcResult *result)
{
FcFontSet *sets[2];
int nsets;
+ assert (p != NULL);
+ assert (result != NULL);
+
if (!config)
{
config = FcConfigGetCurrent ();
sets[nsets++] = config->fonts[FcSetSystem];
if (config->fonts[FcSetApplication])
sets[nsets++] = config->fonts[FcSetApplication];
- return FcFontSetMatch (config, sets, nsets, p, result);
+ return FcFontSetSort (config, sets, nsets, p, trim, csp, result);
}
+#define __fcmatch__
+#include "fcaliastail.h"
+#undef __fcmatch__
git.wh0rd.org / fontconfig.git / blobdiff