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authorKeith Packard <keithp@neko.keithp.com>2006-09-02 17:52:12 -0700
committerKeith Packard <keithp@neko.keithp.com>2006-09-02 17:52:12 -0700
commitc2c6976d1a88cc35143ffcc34f3c38d0a28d34f4 (patch)
tree90402a0722e2eebae7e94bab96c23d2524294748
parent3b8a03c09d3a45f578680b5fe80255af9761b3fa (diff)
Add FcMatchScan to resolve Delicious font matching issues (bug #6769)
The Delicious family includes one named Delicious Heavy, a bold variant which is unfortunately marked as having normal weight. Because the family name is 'Delicious', fontconfig accidentally selects this font instead of the normal weight variant. The fix here rewrites the scanned data by running the scanned pattern through a new substitution sequence tagged with <match target=scan>; a sample for the Delicious family is included to demonstrate how it works (and fix Delicious at the same time). Also added was a new match predicate -- the 'decorative' predicate which is automatically detected in fonts by searching style names for key decorative phrases like SmallCaps, Shadow, Embosed and Antiqua. Suggestions for additional decorative key words are welcome. This should have little effect on font matching except when two fonts share the same characteristics except for this value.
-rw-r--r--conf.d/Makefile.am1
-rw-r--r--doc/fontconfig-user.sgml6
-rw-r--r--fontconfig/fontconfig.h3
-rw-r--r--fonts.dtd6
-rw-r--r--src/fccfg.c35
-rw-r--r--src/fcdbg.c7
-rw-r--r--src/fcdefault.c1
-rw-r--r--src/fcdir.c18
-rw-r--r--src/fcfreetype.c34
-rw-r--r--src/fcint.h2
-rw-r--r--src/fcmatch.c33
-rw-r--r--src/fcname.c34
-rw-r--r--src/fcxml.c4
13 files changed, 153 insertions, 31 deletions
diff --git a/conf.d/Makefile.am b/conf.d/Makefile.am
index 443d8a9..98e8dbd 100644
--- a/conf.d/Makefile.am
+++ b/conf.d/Makefile.am
@@ -24,6 +24,7 @@
CONF_FILES = \
10LohitGujarati.conf \
10-fonts-persian.conf \
+ 60-delicious.conf \
autohint.conf \
no-bitmaps.conf \
no-sub-pixel.conf \
diff --git a/doc/fontconfig-user.sgml b/doc/fontconfig-user.sgml
index 32a637c..a1f6b39 100644
--- a/doc/fontconfig-user.sgml
+++ b/doc/fontconfig-user.sgml
@@ -382,11 +382,13 @@ This element holds first a (possibly empty) list of <sgmltag>test</> elements an
a (possibly empty) list of <sgmltag>edit</> elements. Patterns which match all of the
tests are subjected to all the edits. If 'target' is set to "font" instead
of the default "pattern", then this element applies to the font name
-resulting from a match rather than a font pattern to be matched.
+resulting from a match rather than a font pattern to be matched. If 'target'
+is set to "scan", then this element applies when the font is scanned to
+build the fontconfig database.
</para></refsect2>
<refsect2><title><sgmltag>test qual="any" name="property" target="default" compare="eq"</></title><para>
This element contains a single value which is compared with the target
-('pattern', 'font' or 'default') property "property" (substitute any of the property names seen
+('pattern', 'font', 'scan' or 'default') property "property" (substitute any of the property names seen
above). 'compare' can be one of "eq", "not_eq", "less", "less_eq", "more", or
"more_eq". 'qual' may either be the default, "any", in which case the match
succeeds if any value associated with the property matches the test value, or
diff --git a/fontconfig/fontconfig.h b/fontconfig/fontconfig.h
index feb781e..15e8f7f 100644
--- a/fontconfig/fontconfig.h
+++ b/fontconfig/fontconfig.h
@@ -103,6 +103,7 @@ typedef int FcBool;
#define FC_FONTFORMAT "fontformat" /* String */
#define FC_EMBOLDEN "embolden" /* Bool - true if emboldening needed*/
#define FC_EMBEDDED_BITMAP "embeddedbitmap" /* Bool - true to enable embedded bitmaps */
+#define FC_DECORATIVE "decorative" /* Bool - true if style is a decorative variant */
#define FC_CACHE_SUFFIX ".cache-"FC_CACHE_VERSION
#define FC_DIR_CACHE_FILE "fonts.cache-"FC_CACHE_VERSION
@@ -236,7 +237,7 @@ typedef struct _FcObjectSet {
} FcObjectSet;
typedef enum _FcMatchKind {
- FcMatchPattern, FcMatchFont
+ FcMatchPattern, FcMatchFont, FcMatchScan
} FcMatchKind;
typedef enum _FcLangResult {
diff --git a/fonts.dtd b/fonts.dtd
index cd016d3..06f1a12 100644
--- a/fonts.dtd
+++ b/fonts.dtd
@@ -133,7 +133,7 @@
-->
<!ELEMENT match (test*, edit*)>
<!ATTLIST match
- target (pattern|font) "pattern">
+ target (pattern|font|scan) "pattern">
<!--
Match a field in a pattern
@@ -146,6 +146,10 @@
For match elements with target=font, if test 'target' is 'pattern',
then the test is applied to the pattern used in matching rather than
to the resulting font.
+
+ Match elements with target=scan are applied as fonts are scanned.
+ They edit the pattern generated from the scanned font and affect
+ what the fontconfig database contains.
-->
<!ELEMENT test (%expr;)*>
<!ATTLIST test
diff --git a/src/fccfg.c b/src/fccfg.c
index cec0e4a..3cea2c9 100644
--- a/src/fccfg.c
+++ b/src/fccfg.c
@@ -561,14 +561,23 @@ FcConfigAddEdit (FcConfig *config,
FcTest *t;
int num;
+ switch (kind) {
+ case FcMatchPattern:
+ prev = &config->substPattern;
+ break;
+ case FcMatchFont:
+ prev = &config->substFont;
+ break;
+ case FcMatchScan:
+ prev = &config->substScan;
+ break;
+ default:
+ return FcFalse;
+ }
subst = (FcSubst *) malloc (sizeof (FcSubst));
if (!subst)
return FcFalse;
FcMemAlloc (FC_MEM_SUBST, sizeof (FcSubst));
- if (kind == FcMatchPattern)
- prev = &config->substPattern;
- else
- prev = &config->substFont;
for (; *prev; prev = &(*prev)->next);
*prev = subst;
subst->next = 0;
@@ -1290,6 +1299,20 @@ FcConfigSubstituteWithPat (FcConfig *config,
return FcFalse;
}
+ switch (kind) {
+ case FcMatchPattern:
+ s = config->substPattern;
+ break;
+ case FcMatchFont:
+ s = config->substFont;
+ break;
+ case FcMatchScan:
+ s = config->substScan;
+ break;
+ default:
+ return FcFalse;
+ }
+
st = (FcSubState *) malloc (config->maxObjects * sizeof (FcSubState));
if (!st && config->maxObjects)
return FcFalse;
@@ -1300,10 +1323,6 @@ FcConfigSubstituteWithPat (FcConfig *config,
printf ("FcConfigSubstitute ");
FcPatternPrint (p);
}
- if (kind == FcMatchPattern)
- s = config->substPattern;
- else
- s = config->substFont;
for (; s; s = s->next)
{
/*
diff --git a/src/fcdbg.c b/src/fcdbg.c
index c82dd3a..98b57e6 100644
--- a/src/fcdbg.c
+++ b/src/fcdbg.c
@@ -103,6 +103,7 @@ FcCharSetPrint (const FcCharSet *c)
intptr_t *leaves = FcCharSetLeaves (c);
FcChar16 *numbers = FcCharSetNumbers (c);
+#if 0
printf ("CharSet 0x%x\n", (intptr_t) c);
printf ("Leaves: +%d = 0x%x\n", c->leaves_offset, (intptr_t) leaves);
printf ("Numbers: +%d = 0x%x\n", c->numbers_offset, (intptr_t) numbers);
@@ -113,12 +114,15 @@ FcCharSetPrint (const FcCharSet *c)
i, numbers[i], leaves[i],
(intptr_t) FcOffsetToPtr (leaves, leaves[i], FcCharLeaf));
}
+#endif
for (i = 0; i < c->num; i++)
{
intptr_t leaf_offset = leaves[i];
FcCharLeaf *leaf = FcOffsetToPtr (leaves, leaf_offset, FcCharLeaf);
+ if (i)
+ printf ("\t");
printf ("%04x:", numbers[i]);
for (j = 0; j < 256/32; j++)
printf (" %08x", leaf->map[j]);
@@ -323,6 +327,9 @@ FcTestPrint (const FcTest *test)
case FcMatchFont:
printf ("font ");
break;
+ case FcMatchScan:
+ printf ("scan ");
+ break;
}
switch (test->qual) {
case FcQualAny:
diff --git a/src/fcdefault.c b/src/fcdefault.c
index b582310..b69de30 100644
--- a/src/fcdefault.c
+++ b/src/fcdefault.c
@@ -34,6 +34,7 @@ static const struct {
{ FC_AUTOHINT_OBJECT, FcFalse }, /* FC_LOAD_FORCE_AUTOHINT */
{ FC_GLOBAL_ADVANCE_OBJECT, FcTrue }, /* !FC_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH */
{ FC_EMBEDDED_BITMAP_OBJECT, FcTrue }, /* !FC_LOAD_NO_BITMAP */
+ { FC_DECORATIVE_OBJECT, FcFalse },
};
#define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
diff --git a/src/fcdir.c b/src/fcdir.c
index 8da50e9..a55c5fd 100644
--- a/src/fcdir.c
+++ b/src/fcdir.c
@@ -61,15 +61,31 @@ FcFileScanFontConfig (FcFontSet *set,
font = FcFreeTypeQuery (file, id, blanks, &count);
if (FcDebug () & FC_DBG_SCAN)
printf ("done\n");
+
+ /*
+ * Edit pattern with user-defined rules
+ */
+ if (config && !FcConfigSubstituteWithPat (config, font, NULL, FcMatchScan))
+ {
+ FcPatternDestroy (font);
+ font = NULL;
+ ret = FcFalse;
+ }
+
/*
* Add the font
*/
if (font && (!config || FcConfigAcceptFont (config, font)))
{
+ if (FcDebug() & FC_DBG_SCANV)
+ {
+ printf ("Final font pattern:\n");
+ FcPatternPrint (font);
+ }
if (!FcFontSetAdd (set, font))
{
FcPatternDestroy (font);
- font = 0;
+ font = NULL;
ret = FcFalse;
}
}
diff --git a/src/fcfreetype.c b/src/fcfreetype.c
index 082d17b..3cf1686 100644
--- a/src/fcfreetype.c
+++ b/src/fcfreetype.c
@@ -954,9 +954,10 @@ static const FcStringConst weightConsts[] = {
{ (FC8) "demibold", FC_WEIGHT_DEMIBOLD },
{ (FC8) "demi", FC_WEIGHT_DEMIBOLD },
{ (FC8) "semibold", FC_WEIGHT_SEMIBOLD },
- { (FC8) "bold", FC_WEIGHT_BOLD },
{ (FC8) "extrabold", FC_WEIGHT_EXTRABOLD },
+ { (FC8) "superbold", FC_WEIGHT_EXTRABOLD },
{ (FC8) "ultrabold", FC_WEIGHT_ULTRABOLD },
+ { (FC8) "bold", FC_WEIGHT_BOLD },
{ (FC8) "black", FC_WEIGHT_BLACK },
{ (FC8) "heavy", FC_WEIGHT_HEAVY },
};
@@ -985,6 +986,7 @@ static const FcStringConst widthConsts[] = {
static const FcStringConst slantConsts[] = {
{ (FC8) "italic", FC_SLANT_ITALIC },
+ { (FC8) "kursiv", FC_SLANT_ITALIC },
{ (FC8) "oblique", FC_SLANT_OBLIQUE },
};
@@ -993,6 +995,20 @@ static const FcStringConst slantConsts[] = {
#define FcIsSlant(s) FcStringIsConst(s,slantConsts,NUM_SLANT_CONSTS)
#define FcContainsSlant(s) FcStringContainsConst (s,slantConsts,NUM_SLANT_CONSTS)
+static const FcStringConst decorativeConsts[] = {
+ { (FC8) "shadow", FcTrue },
+ { (FC8) "smallcaps", FcTrue },
+ { (FC8) "antiqua", FcTrue },
+ { (FC8) "romansc", FcTrue },
+ { (FC8) "embosed", FcTrue },
+ { (FC8) "romansmallcaps", FcTrue },
+};
+
+#define NUM_DECORATIVE_CONSTS (int) (sizeof (decorativeConsts) / sizeof (decorativeConsts[0]))
+
+#define FcIsDecorative(s) FcStringIsConst(s,decorativeConsts,NUM_DECORATIVE_CONSTS)
+#define FcContainsDecorative(s) FcStringContainsConst (s,decorativeConsts,NUM_DECORATIVE_CONSTS)
+
static double
FcGetPixelSize (FT_Face face, int i)
{
@@ -1038,6 +1054,7 @@ FcFreeTypeQuery (const FcChar8 *file,
int slant = -1;
int weight = -1;
int width = -1;
+ FcBool decorative = FcFalse;
int i;
FcCharSet *cs;
FcLangSet *ls;
@@ -1413,6 +1430,9 @@ FcFreeTypeQuery (const FcChar8 *file,
weight = FC_WEIGHT_EXTRABOLD;
else if (os2->usWeightClass < 950)
weight = FC_WEIGHT_BLACK;
+ if ((FcDebug() & FC_DBG_SCANV) && weight != -1)
+ printf ("\tos2 weight class %d maps to weight %d\n",
+ os2->usWeightClass, weight);
switch (os2->usWidthClass) {
case 1: width = FC_WIDTH_ULTRACONDENSED; break;
@@ -1425,6 +1445,9 @@ FcFreeTypeQuery (const FcChar8 *file,
case 8: width = FC_WIDTH_EXTRAEXPANDED; break;
case 9: width = FC_WIDTH_ULTRAEXPANDED; break;
}
+ if ((FcDebug() & FC_DBG_SCANV) && width != -1)
+ printf ("\tos2 width class %d maps to width %d\n",
+ os2->usWidthClass, width);
}
if (os2 && (complex = FcFontCapabilities(face)))
{
@@ -1540,6 +1563,12 @@ FcFreeTypeQuery (const FcChar8 *file,
if (FcDebug() & FC_DBG_SCANV)
printf ("\tStyle %s maps to slant %d\n", style, slant);
}
+ if (decorative == FcFalse)
+ {
+ decorative = FcContainsDecorative (style) > 0;
+ if (FcDebug() & FC_DBG_SCANV)
+ printf ("\tStyle %s maps to decorative %d\n", style, decorative);
+ }
}
/*
* Pull default values from the FreeType flags if more
@@ -1577,6 +1606,9 @@ FcFreeTypeQuery (const FcChar8 *file,
if (!FcPatternAddString (pat, FC_FOUNDRY, foundry))
goto bail1;
+ if (!FcPatternAddBool (pat, FC_DECORATIVE, decorative))
+ goto bail1;
+
/*
* Compute the unicode coverage for the font
*/
diff --git a/src/fcint.h b/src/fcint.h
index 78d17e7..3b9f3c8 100644
--- a/src/fcint.h
+++ b/src/fcint.h
@@ -452,6 +452,7 @@ struct _FcConfig {
*/
FcSubst *substPattern; /* substitutions for patterns */
FcSubst *substFont; /* substitutions for fonts */
+ FcSubst *substScan; /* substitutions for scanned fonts */
int maxObjects; /* maximum number of tests in all substs */
/*
* List of patterns used to control font file selection
@@ -875,6 +876,7 @@ FcListPatternMatchAny (const FcPattern *p,
#define FC_FONTFORMAT_OBJECT 37
#define FC_EMBOLDEN_OBJECT 38
#define FC_EMBEDDED_BITMAP_OBJECT 39
+#define FC_DECORATIVE_OBJECT 40
FcBool
FcNameBool (const FcChar8 *v, FcBool *result);
diff --git a/src/fcmatch.c b/src/fcmatch.c
index e7a70ef..96587cb 100644
--- a/src/fcmatch.c
+++ b/src/fcmatch.c
@@ -225,24 +225,29 @@ static FcMatcher _FcMatchers [] = {
#define MATCH_WIDTH 9
#define MATCH_WIDTH_INDEX 10
- { FC_ANTIALIAS_OBJECT, FcCompareBool, 11, 11 },
-#define MATCH_ANTIALIAS 10
-#define MATCH_ANTIALIAS_INDEX 11
+ { 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, 12, 12 },
-#define MATCH_RASTERIZER 11
-#define MATCH_RASTERIZER_INDEX 12
+ { FC_RASTERIZER_OBJECT, FcCompareString, 13, 13 },
+#define MATCH_RASTERIZER 12
+#define MATCH_RASTERIZER_INDEX 12
- { FC_OUTLINE_OBJECT, FcCompareBool, 13, 13 },
-#define MATCH_OUTLINE 12
-#define MATCH_OUTLINE_INDEX 13
+ { FC_OUTLINE_OBJECT, FcCompareBool, 14, 14 },
+#define MATCH_OUTLINE 13
+#define MATCH_OUTLINE_INDEX 14
- { FC_FONTVERSION_OBJECT, FcCompareNumber, 14, 14 },
-#define MATCH_FONTVERSION 13
-#define MATCH_FONTVERSION_INDEX 14
+ { FC_FONTVERSION_OBJECT, FcCompareNumber, 15, 15 },
+#define MATCH_FONTVERSION 14
+#define MATCH_FONTVERSION_INDEX 15
};
-#define NUM_MATCH_VALUES 15
+#define NUM_MATCH_VALUES 16
static FcMatcher*
FcObjectToMatcher (FcObject object)
@@ -279,6 +284,8 @@ FcObjectToMatcher (FcObject object)
i = MATCH_RASTERIZER; break;
case FC_OUTLINE_OBJECT:
i = MATCH_OUTLINE; break;
+ case FC_DECORATIVE_OBJECT:
+ i = MATCH_DECORATIVE; break;
}
if (i < 0)
diff --git a/src/fcname.c b/src/fcname.c
index f55190d..6f74bb1 100644
--- a/src/fcname.c
+++ b/src/fcname.c
@@ -73,7 +73,8 @@ static const FcObjectType _FcBaseObjectTypes[] = {
{ FC_CAPABILITY, FcTypeString },
{ FC_FONTFORMAT, FcTypeString },
{ FC_EMBOLDEN, FcTypeBool },
- { FC_EMBEDDED_BITMAP, FcTypeBool }, /* 39 */
+ { FC_EMBEDDED_BITMAP, FcTypeBool },
+ { FC_DECORATIVE, FcTypeBool }, /* 40 */
};
#define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0])
@@ -390,6 +391,7 @@ static const FcConstant _FcBaseConstants[] = {
{ (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, },
{ (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, },
{ (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, },
+ { (FcChar8 *) "heavy", "weight", FC_WEIGHT_HEAVY, },
{ (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, },
{ (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, },
@@ -421,6 +423,18 @@ static const FcConstant _FcBaseConstants[] = {
{ (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT },
{ (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM },
{ (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL },
+
+ { (FcChar8 *) "antialias", "antialias", FcTrue },
+ { (FcChar8 *) "hinting", "hinting", FcTrue },
+ { (FcChar8 *) "verticallayout", "verticallayout", FcTrue },
+ { (FcChar8 *) "autohint", "autohint", FcTrue },
+ { (FcChar8 *) "globaladvance", "globaladvance", FcTrue },
+ { (FcChar8 *) "outline", "outline", FcTrue },
+ { (FcChar8 *) "scalable", "scalable", FcTrue },
+ { (FcChar8 *) "minspace", "minspace", FcTrue },
+ { (FcChar8 *) "embolden", "embolden", FcTrue },
+ { (FcChar8 *) "embeddedbitmap", "embeddedbitmap", FcTrue },
+ { (FcChar8 *) "decorative", "decorative", FcTrue },
};
#define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0])
@@ -660,7 +674,7 @@ FcNameParse (const FcChar8 *name)
for (;;)
{
name = FcNameFindNext (name, ":,", save, &delim);
- if (t && strcmp (t->object, _FcBaseObjectTypes[0].object))
+ if (t)
{
v = FcNameConvert (t->type, save, &m);
if (!FcPatternAdd (pat, t->object, v, FcTrue))
@@ -696,8 +710,20 @@ FcNameParse (const FcChar8 *name)
{
if ((c = FcNameGetConstant (save)))
{
- if (!FcPatternAddInteger (pat, c->object, c->value))
- goto bail2;
+ t = FcNameGetObjectType ((char *) c->object);
+ switch (t->type) {
+ case FcTypeInteger:
+ case FcTypeDouble:
+ if (!FcPatternAddInteger (pat, c->object, c->value))
+ goto bail2;
+ break;
+ case FcTypeBool:
+ if (!FcPatternAddBool (pat, c->object, c->value))
+ goto bail2;
+ break;
+ default:
+ break;
+ }
}
}
}
diff --git a/src/fcxml.c b/src/fcxml.c
index 5b7e191..d91e522 100644
--- a/src/fcxml.c
+++ b/src/fcxml.c
@@ -1667,6 +1667,8 @@ FcParseTest (FcConfigParse *parse)
kind = FcMatchPattern;
else if (!strcmp ((char *) kind_string, "font"))
kind = FcMatchFont;
+ else if (!strcmp ((char *) kind_string, "scan"))
+ kind = FcMatchScan;
else if (!strcmp ((char *) kind_string, "default"))
kind = FcMatchDefault;
else
@@ -1821,6 +1823,8 @@ FcParseMatch (FcConfigParse *parse)
kind = FcMatchPattern;
else if (!strcmp ((char *) kind_name, "font"))
kind = FcMatchFont;
+ else if (!strcmp ((char *) kind_name, "scan"))
+ kind = FcMatchScan;
else
{
FcConfigMessage (parse, FcSevereWarning, "invalid match target \"%s\"", kind_name);