/*
- * $XFree86: xc/lib/fontconfig/src/fccharset.c,v 1.2 2002/02/15 06:01:28 keithp Exp $
+ * $XFree86: xc/lib/fontconfig/src/fccharset.c,v 1.7 2002/05/24 05:20:02 keithp Exp $
*
* Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc.
*
return FcFalse;
FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharBranch));
branch->nodes[0] = fcs->node;
+ /* next pointers are all zero */
fcs->node.branch = branch;
}
++fcs->levels;
{
int l;
FcCharNode *prev, node;
- FcChar32 i;
+ FcChar32 i = 0;
+ int j;
+ FcChar8 *next = 0, old;
if (!FcCharSetCheckLevel (fcs, ucs4))
return FcFalse;
return 0;
FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharBranch));
*prev = node;
+ if (next)
+ {
+ old = next[i];
+ for (j = (int) i - 1; j >= 0 && next[j] == old; j--)
+ next[j] = i;
+ }
}
i = (ucs4 >> (l << 3)) & 0xff;
prev = &node.branch->nodes[i];
+ next = &node.branch->next[0];
}
node = *prev;
if (!node.leaf)
return 0;
FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharLeaf));
*prev = node;
+ ucs4 = ucs4 & ~0xff;
+ if (next)
+ {
+ old = next[i];
+ for (j = i - 1; j >= 0 && next[j] == old; j--)
+ next[j] = i;
+ }
}
return node.leaf;
}
typedef struct _fcCharSetIter {
FcCharLeaf *leaf;
FcChar32 ucs4;
+ FcCharBranch *branch_stack[5];
+ int branch_stackp;
} FcCharSetIter;
/*
static void
FcCharSetIterSet (const FcCharSet *fcs, FcCharSetIter *iter)
{
- if (FcCharSetLevels (iter->ucs4) > fcs->levels)
+ int level = fcs->levels;
+ FcChar32 ucs4 = iter->ucs4;
+ FcCharNode node = fcs->node;
+
+ iter->branch_stackp = 0;
+ if (ucs4 >= 1 << (level << 3))
+ {
iter->leaf = 0;
- else
- iter->leaf = FcCharSetIterLeaf (fcs->node, fcs->levels,
- &iter->ucs4);
- if (!iter->leaf)
iter->ucs4 = ~0;
+ return;
+ }
+ if (level > 1)
+ {
+ level--;
+ for (;;)
+ {
+ FcCharBranch *branch = node.branch;
+ FcChar32 byte;
+
+ byte = (ucs4 >> (level << 3)) & 0xff;
+
+ node = branch->nodes[byte];
+ if (!node.leaf)
+ {
+ while (!(byte = branch->next[byte]))
+ {
+ if (iter->branch_stackp == 0)
+ {
+ iter->leaf = 0;
+ iter->ucs4 = ~0;
+ return;
+ }
+ branch = node.branch = iter->branch_stack[--iter->branch_stackp];
+ level++;
+ ucs4 += 1 << (level << 3);
+ byte = (ucs4 >> (level << 3)) & 0xff;
+ }
+ ucs4 = (ucs4 & ~ ((1 << ((level + 1) << 3)) - 1)) |
+ (byte << (level << 3));
+ node = branch->nodes[byte];
+ }
+ iter->branch_stack[iter->branch_stackp++] = branch;
+ if (--level == 0)
+ break;
+ }
+ }
+ if (!(iter->leaf = node.leaf))
+ ucs4 = ~0;
+ iter->ucs4 = ucs4;
+#if 0
+ printf ("set %08x: %08x\n", ucs4, node.leaf);
+#endif
}
static void
FcCharSetIterNext (const FcCharSet *fcs, FcCharSetIter *iter)
{
- iter->ucs4 += 0x100;
- FcCharSetIterSet (fcs, iter);
+ FcCharNode node;
+ FcCharBranch *branch;
+ FcChar32 ucs4;
+ int level;
+
+ if (!iter->branch_stackp)
+ {
+ iter->ucs4 = ~0;
+ iter->leaf = 0;
+ return;
+ }
+
+ level = 1;
+ node.branch = iter->branch_stack[--iter->branch_stackp];
+ ucs4 = iter->ucs4;
+ for (;;)
+ {
+ FcChar32 byte;
+
+ branch = node.branch;
+ while (!(byte = branch->next[(ucs4 >> (level << 3)) & 0xff]))
+ {
+ if (iter->branch_stackp == 0)
+ {
+ iter->leaf = 0;
+ iter->ucs4 = ~0;
+ return;
+ }
+ branch = node.branch = iter->branch_stack[--iter->branch_stackp];
+ level++;
+ ucs4 += 1 << (level << 3);
+ }
+ ucs4 = (ucs4 & ~ ((1 << ((level + 1) << 3)) - 1)) |
+ (byte << (level << 3));
+ node = branch->nodes[byte];
+ iter->branch_stack[iter->branch_stackp++] = branch;
+ if (--level == 0)
+ break;
+ }
+ iter->ucs4 = ucs4;
+ iter->leaf = node.leaf;
+}
+
+#if 0
+static void
+FcCharSetDump (FcCharNode node, int level, FcChar32 ucs4, int indent)
+{
+ if (level)
+ {
+ if (node.branch)
+ {
+ FcChar32 inc = (1 << (level << 3));
+ int i;
+ FcCharBranch *branch = node.branch;
+
+ for (i = 0; i < indent; i++)
+ printf (" ");
+ printf ("%08x: %08x\n", ucs4, branch);
+ for (i = 0; i < 256; i++)
+ {
+ FcCharSetDump (branch->nodes[i], level - 1, ucs4, indent+1);
+ ucs4 += inc;
+ }
+ }
+ }
+ else
+ {
+ if (node.leaf)
+ {
+ while (indent--)
+ printf (" ");
+ printf ("%08x: %08x\n", ucs4, node.leaf);
+ }
+ }
}
+#endif
static void
FcCharSetIterStart (const FcCharSet *fcs, FcCharSetIter *iter)
{
+#if 0
+ FcCharSetDump (fcs->node, fcs->levels - 1, 0, 0);
+#endif
iter->ucs4 = 0;
FcCharSetIterSet (fcs, iter);
}
goto bail0;
FcCharSetIterStart (a, &ai);
FcCharSetIterStart (b, &bi);
- while ((ai.leaf || bonly) && (bi.leaf || aonly))
+ while ((ai.leaf || (bonly && bi.leaf)) && (bi.leaf || (aonly && ai.leaf)))
{
if (ai.ucs4 < bi.ucs4)
{
return count;
}
+/*
+ * return FcTrue iff a is a subset of b
+ */
+FcBool
+FcCharSetIsSubset (const FcCharSet *a, const FcCharSet *b)
+{
+ FcCharSetIter ai, bi;
+
+ FcCharSetIterStart (a, &ai);
+ while (ai.leaf)
+ {
+ bi.ucs4 = ai.ucs4;
+ FcCharSetIterSet (b, &bi);
+ /*
+ * Check if a has a page that b does not
+ */
+ if (ai.ucs4 < bi.ucs4)
+ return FcFalse;
+ /*
+ * Check if they have a page in common, if so,
+ * look to see if there any bits in a not in b
+ */
+ if (ai.ucs4 == bi.ucs4)
+ {
+ FcChar32 *am = ai.leaf->map;
+ FcChar32 *bm = bi.leaf->map;
+ int i = 256/32;
+
+ while (i--)
+ if (*am++ & ~*bm++)
+ return FcFalse;
+ }
+ FcCharSetIterNext (a, &ai);
+ }
+ return FcTrue;
+}
+
+/*
+ * These two functions efficiently walk the entire charmap for
+ * other software (like pango) that want their own copy
+ */
+
+FcChar32
+FcCharSetNextPage (const FcCharSet *a,
+ FcChar32 map[FC_CHARSET_MAP_SIZE],
+ FcChar32 *next)
+{
+ FcCharSetIter ai;
+ FcChar32 page;
+
+ ai.ucs4 = *next;
+ FcCharSetIterSet (a, &ai);
+ if (!ai.leaf)
+ return FC_CHARSET_DONE;
+
+ /*
+ * Save current information
+ */
+ page = ai.ucs4;
+ memcpy (map, ai.leaf->map, sizeof (ai.leaf->map));
+ /*
+ * Step to next page
+ */
+ FcCharSetIterNext (a, &ai);
+ *next = ai.ucs4;
+
+ return page;
+}
+
+FcChar32
+FcCharSetFirstPage (const FcCharSet *a,
+ FcChar32 map[FC_CHARSET_MAP_SIZE],
+ FcChar32 *next)
+{
+ *next = 0;
+ return FcCharSetNextPage (a, map, next);
+}
+
/*
* ASCII representation of charsets.
*
# define HAS_NEXT_CHAR
# else
# if FREETYPE_MINOR == 0
-# if FREETYPE_PATCH >= 8
+# if FREETYPE_PATCH >= 9
# define HAS_NEXT_CHAR
# endif
# endif
* For our purposes, this approximation is sufficient
*/
#ifndef HAS_NEXT_CHAR
-#define FT_Get_Next_Char(face, ucs4) ((ucs4) >= 0xffffff ? 0 : (ucs4) + 1)
+#define FT_Get_First_Char(face, gi) ((*(gi) = 1), 1)
+#define FT_Get_Next_Char(face, ucs4, gi) ((ucs4) >= 0xffffff ? \
+ (*(gi) = 0), 0 : \
+ (*(gi) = 1), (ucs4) + 1)
#warning "No FT_Get_Next_Char"
#endif
FcChar32 max;
} FcFontDecode;
-static const FcCharMap AppleRoman;
-static const FcCharMap AdobeSymbol;
-
-static const FcFontDecode fcFontDecoders[] = {
- { ft_encoding_unicode, 0, (1 << 21) - 1 },
- { ft_encoding_symbol, &AdobeSymbol, (1 << 16) - 1 },
- { ft_encoding_apple_roman, &AppleRoman, (1 << 16) - 1 },
-};
-
-#define NUM_DECODE (sizeof (fcFontDecoders) / sizeof (fcFontDecoders[0]))
-
-static FT_ULong
-FcFreeTypeMapChar (FcChar32 ucs4, const FcCharMap *map)
-{
- int low, high, mid;
- FcChar16 bmp;
-
- low = 0;
- high = map->nent - 1;
- if (ucs4 < map->ent[low].bmp || map->ent[high].bmp < ucs4)
- return ~0;
- while (high - low > 1)
- {
- mid = (high + low) >> 1;
- bmp = map->ent[mid].bmp;
- if (ucs4 == bmp)
- return (FT_ULong) map->ent[mid].encode;
- if (ucs4 < bmp)
- high = mid;
- else
- low = mid;
- }
- for (mid = low; mid <= high; mid++)
- {
- if (ucs4 == map->ent[mid].bmp)
- return (FT_ULong) map->ent[mid].encode;
- }
- return ~0;
-}
-
-/*
- * Map a UCS4 glyph to a glyph index. Use all available encoding
- * tables to try and find one that works. This information is expected
- * to be cached by higher levels, so performance isn't critical
- */
-
-FT_UInt
-FcFreeTypeCharIndex (FT_Face face, FcChar32 ucs4)
-{
- int initial, offset, decode;
- FT_UInt glyphindex;
- FT_ULong charcode;
-
- initial = 0;
- /*
- * Find the current encoding
- */
- if (face->charmap)
- {
- for (; initial < NUM_DECODE; initial++)
- if (fcFontDecoders[initial].encoding == face->charmap->encoding)
- break;
- if (initial == NUM_DECODE)
- initial = 0;
- }
- /*
- * Check each encoding for the glyph, starting with the current one
- */
- for (offset = 0; offset < NUM_DECODE; offset++)
- {
- decode = (initial + offset) % NUM_DECODE;
- if (!face->charmap || face->charmap->encoding != fcFontDecoders[decode].encoding)
- if (FT_Select_Charmap (face, fcFontDecoders[decode].encoding) != 0)
- continue;
- if (fcFontDecoders[decode].map)
- {
- charcode = FcFreeTypeMapChar (ucs4, fcFontDecoders[decode].map);
- if (charcode == ~0)
- continue;
- }
- else
- charcode = (FT_ULong) ucs4;
- glyphindex = FT_Get_Char_Index (face, charcode);
- if (glyphindex)
- return glyphindex;
- }
- return 0;
-}
-
-static FcBool
-FcFreeTypeCheckGlyph (FT_Face face, FcChar32 ucs4,
- FT_UInt glyph, FcBlanks *blanks)
-{
- FT_Int load_flags = FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
- FT_GlyphSlot slot;
-
- /*
- * When using scalable fonts, only report those glyphs
- * which can be scaled; otherwise those fonts will
- * only be available at some sizes, and never when
- * transformed. Avoid this by simply reporting bitmap-only
- * glyphs as missing
- */
- if (face->face_flags & FT_FACE_FLAG_SCALABLE)
- load_flags |= FT_LOAD_NO_BITMAP;
-
- if (FT_Load_Glyph (face, glyph, load_flags))
- return FcFalse;
-
- slot = face->glyph;
- if (!glyph)
- return FcFalse;
-
- switch (slot->format) {
- case ft_glyph_format_bitmap:
- /*
- * Bitmaps are assumed to be reasonable; if
- * this proves to be a rash assumption, this
- * code can be easily modified
- */
- return FcTrue;
- case ft_glyph_format_outline:
- /*
- * Glyphs with contours are always OK
- */
- if (slot->outline.n_contours != 0)
- return FcTrue;
- /*
- * Glyphs with no contours are only OK if
- * they're members of the Blanks set specified
- * in the configuration. If blanks isn't set,
- * then allow any glyph to be blank
- */
- if (!blanks || FcBlanksIsMember (blanks, ucs4))
- return FcTrue;
- /* fall through ... */
- default:
- break;
- }
- return FcFalse;
-}
-
-FcCharSet *
-FcFreeTypeCharSet (FT_Face face, FcBlanks *blanks)
-{
- FcChar32 page, off, max, ucs4;
-#ifdef CHECK
- FcChar32 font_max = 0;
-#endif
- FcCharSet *fcs;
- FcCharLeaf *leaf;
- const FcCharMap *map;
- int o;
- int i;
- FT_UInt glyph;
-
- fcs = FcCharSetCreate ();
- if (!fcs)
- goto bail0;
-
- for (o = 0; o < NUM_DECODE; o++)
- {
- if (FT_Select_Charmap (face, fcFontDecoders[o].encoding) != 0)
- continue;
- map = fcFontDecoders[o].map;
- if (map)
- {
- /*
- * Non-Unicode tables are easy; there's a list of all possible
- * characters
- */
- for (i = 0; i < map->nent; i++)
- {
- ucs4 = map->ent[i].bmp;
- glyph = FT_Get_Char_Index (face, map->ent[i].encode);
- if (glyph && FcFreeTypeCheckGlyph (face, ucs4, glyph, blanks))
- {
- leaf = FcCharSetFindLeafCreate (fcs, ucs4);
- if (!leaf)
- goto bail1;
- leaf->map[(ucs4 & 0xff) >> 5] |= (1 << (ucs4 & 0x1f));
-#ifdef CHECK
- if (ucs4 > font_max)
- font_max = ucs4;
-#endif
- }
- }
- }
- else
- {
- max = fcFontDecoders[o].max;
-
- /*
- * Find the first encoded character in the font
- */
- ucs4 = 0;
- if (FT_Get_Char_Index (face, 0))
- ucs4 = 0;
- else
- ucs4 = FT_Get_Next_Char (face, 0);
-
- for (;;)
- {
- page = ucs4 >> 8;
- leaf = 0;
- while ((ucs4 >> 8) == page)
- {
- glyph = FT_Get_Char_Index (face, ucs4);
- if (glyph && FcFreeTypeCheckGlyph (face, ucs4,
- glyph, blanks))
- {
- if (!leaf)
- {
- leaf = FcCharSetFindLeafCreate (fcs, ucs4);
- if (!leaf)
- goto bail1;
- }
- off = ucs4 & 0xff;
- leaf->map[off >> 5] |= (1 << (off & 0x1f));
-#ifdef CHECK
- if (ucs4 > font_max)
- font_max = ucs4;
-#endif
- }
- ucs4++;
- }
- ucs4 = FT_Get_Next_Char (face, ucs4 - 1);
- if (!ucs4)
- break;
- }
-#ifdef CHECK
- for (ucs4 = 0; ucs4 < 0x10000; ucs4++)
- {
- FcBool FT_Has, FC_Has;
-
- FT_Has = FT_Get_Char_Index (face, ucs4) != 0;
- FC_Has = FcCharSetHasChar (fcs, ucs4);
- if (FT_Has != FC_Has)
- {
- printf ("0x%08x FT says %d FC says %d\n", ucs4, FT_Has, FC_Has);
- }
- }
-#endif
- }
- }
-#ifdef CHECK
- printf ("%d glyphs %d encoded\n", (int) face->num_glyphs, FcCharSetCount (fcs));
- for (ucs4 = 0; ucs4 <= font_max; ucs4++)
- {
- FcBool has_char = FcFreeTypeCharIndex (face, ucs4) != 0;
- FcBool has_bit = FcCharSetHasChar (fcs, ucs4);
-
- if (has_char && !has_bit)
- printf ("Bitmap missing char 0x%x\n", ucs4);
- else if (!has_char && has_bit)
- printf ("Bitmap extra char 0x%x\n", ucs4);
- }
-#endif
- return fcs;
-bail1:
- FcCharSetDestroy (fcs);
-bail0:
- return 0;
-}
-
static const FcCharEnt AppleRomanEnt[] = {
{ 0x0020, 0x20 }, /* SPACE */
{ 0x0021, 0x21 }, /* EXCLAMATION MARK */
AdobeSymbolEnt,
sizeof (AdobeSymbolEnt) / sizeof (AdobeSymbolEnt[0]),
};
+
+static const FcFontDecode fcFontDecoders[] = {
+ { ft_encoding_unicode, 0, (1 << 21) - 1 },
+ { ft_encoding_symbol, &AdobeSymbol, (1 << 16) - 1 },
+ { ft_encoding_apple_roman, &AppleRoman, (1 << 16) - 1 },
+};
+
+#define NUM_DECODE (sizeof (fcFontDecoders) / sizeof (fcFontDecoders[0]))
+
+static FT_ULong
+FcFreeTypeMapChar (FcChar32 ucs4, const FcCharMap *map)
+{
+ int low, high, mid;
+ FcChar16 bmp;
+
+ low = 0;
+ high = map->nent - 1;
+ if (ucs4 < map->ent[low].bmp || map->ent[high].bmp < ucs4)
+ return ~0;
+ while (high - low > 1)
+ {
+ mid = (high + low) >> 1;
+ bmp = map->ent[mid].bmp;
+ if (ucs4 == bmp)
+ return (FT_ULong) map->ent[mid].encode;
+ if (ucs4 < bmp)
+ high = mid;
+ else
+ low = mid;
+ }
+ for (mid = low; mid <= high; mid++)
+ {
+ if (ucs4 == map->ent[mid].bmp)
+ return (FT_ULong) map->ent[mid].encode;
+ }
+ return ~0;
+}
+
+/*
+ * Map a UCS4 glyph to a glyph index. Use all available encoding
+ * tables to try and find one that works. This information is expected
+ * to be cached by higher levels, so performance isn't critical
+ */
+
+FT_UInt
+FcFreeTypeCharIndex (FT_Face face, FcChar32 ucs4)
+{
+ int initial, offset, decode;
+ FT_UInt glyphindex;
+ FT_ULong charcode;
+
+ initial = 0;
+ /*
+ * Find the current encoding
+ */
+ if (face->charmap)
+ {
+ for (; initial < NUM_DECODE; initial++)
+ if (fcFontDecoders[initial].encoding == face->charmap->encoding)
+ break;
+ if (initial == NUM_DECODE)
+ initial = 0;
+ }
+ /*
+ * Check each encoding for the glyph, starting with the current one
+ */
+ for (offset = 0; offset < NUM_DECODE; offset++)
+ {
+ decode = (initial + offset) % NUM_DECODE;
+ if (!face->charmap || face->charmap->encoding != fcFontDecoders[decode].encoding)
+ if (FT_Select_Charmap (face, fcFontDecoders[decode].encoding) != 0)
+ continue;
+ if (fcFontDecoders[decode].map)
+ {
+ charcode = FcFreeTypeMapChar (ucs4, fcFontDecoders[decode].map);
+ if (charcode == ~0)
+ continue;
+ }
+ else
+ charcode = (FT_ULong) ucs4;
+ glyphindex = FT_Get_Char_Index (face, charcode);
+ if (glyphindex)
+ return glyphindex;
+ }
+ return 0;
+}
+
+static FcBool
+FcFreeTypeCheckGlyph (FT_Face face, FcChar32 ucs4,
+ FT_UInt glyph, FcBlanks *blanks)
+{
+ FT_Int load_flags = FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
+ FT_GlyphSlot slot;
+
+ /*
+ * When using scalable fonts, only report those glyphs
+ * which can be scaled; otherwise those fonts will
+ * only be available at some sizes, and never when
+ * transformed. Avoid this by simply reporting bitmap-only
+ * glyphs as missing
+ */
+ if (face->face_flags & FT_FACE_FLAG_SCALABLE)
+ load_flags |= FT_LOAD_NO_BITMAP;
+
+ if (FT_Load_Glyph (face, glyph, load_flags))
+ return FcFalse;
+
+ slot = face->glyph;
+ if (!glyph)
+ return FcFalse;
+
+ switch (slot->format) {
+ case ft_glyph_format_bitmap:
+ /*
+ * Bitmaps are assumed to be reasonable; if
+ * this proves to be a rash assumption, this
+ * code can be easily modified
+ */
+ return FcTrue;
+ case ft_glyph_format_outline:
+ /*
+ * Glyphs with contours are always OK
+ */
+ if (slot->outline.n_contours != 0)
+ return FcTrue;
+ /*
+ * Glyphs with no contours are only OK if
+ * they're members of the Blanks set specified
+ * in the configuration. If blanks isn't set,
+ * then allow any glyph to be blank
+ */
+ if (!blanks || FcBlanksIsMember (blanks, ucs4))
+ return FcTrue;
+ /* fall through ... */
+ default:
+ break;
+ }
+ return FcFalse;
+}
+
+FcCharSet *
+FcFreeTypeCharSet (FT_Face face, FcBlanks *blanks)
+{
+ FcChar32 page, off, max, ucs4;
+#ifdef CHECK
+ FcChar32 font_max = 0;
+#endif
+ FcCharSet *fcs;
+ FcCharLeaf *leaf;
+ const FcCharMap *map;
+ int o;
+ int i;
+ FT_UInt glyph;
+
+ fcs = FcCharSetCreate ();
+ if (!fcs)
+ goto bail0;
+
+ for (o = 0; o < NUM_DECODE; o++)
+ {
+ if (FT_Select_Charmap (face, fcFontDecoders[o].encoding) != 0)
+ continue;
+ map = fcFontDecoders[o].map;
+ if (map)
+ {
+ /*
+ * Non-Unicode tables are easy; there's a list of all possible
+ * characters
+ */
+ for (i = 0; i < map->nent; i++)
+ {
+ ucs4 = map->ent[i].bmp;
+ glyph = FT_Get_Char_Index (face, map->ent[i].encode);
+ if (glyph && FcFreeTypeCheckGlyph (face, ucs4, glyph, blanks))
+ {
+ leaf = FcCharSetFindLeafCreate (fcs, ucs4);
+ if (!leaf)
+ goto bail1;
+ leaf->map[(ucs4 & 0xff) >> 5] |= (1 << (ucs4 & 0x1f));
+#ifdef CHECK
+ if (ucs4 > font_max)
+ font_max = ucs4;
+#endif
+ }
+ }
+ }
+ else
+ {
+ FT_UInt gindex;
+
+ max = fcFontDecoders[o].max;
+ /*
+ * Find the first encoded character in the font
+ */
+ if (FT_Get_Char_Index (face, 0))
+ {
+ ucs4 = 0;
+ gindex = 1;
+ }
+ else
+ {
+ ucs4 = FT_Get_Next_Char (face, 0, &gindex);
+ if (!ucs4)
+ gindex = 0;
+ }
+
+ while (gindex)
+ {
+ page = ucs4 >> 8;
+ leaf = 0;
+ while ((ucs4 >> 8) == page)
+ {
+ glyph = FT_Get_Char_Index (face, ucs4);
+ if (glyph && FcFreeTypeCheckGlyph (face, ucs4,
+ glyph, blanks))
+ {
+ if (!leaf)
+ {
+ leaf = FcCharSetFindLeafCreate (fcs, ucs4);
+ if (!leaf)
+ goto bail1;
+ }
+ off = ucs4 & 0xff;
+ leaf->map[off >> 5] |= (1 << (off & 0x1f));
+#ifdef CHECK
+ if (ucs4 > font_max)
+ font_max = ucs4;
+#endif
+ }
+ ucs4++;
+ }
+ ucs4 = FT_Get_Next_Char (face, ucs4 - 1, &gindex);
+ if (!ucs4)
+ gindex = 0;
+ }
+#ifdef CHECK
+ for (ucs4 = 0; ucs4 < 0x10000; ucs4++)
+ {
+ FcBool FT_Has, FC_Has;
+
+ FT_Has = FT_Get_Char_Index (face, ucs4) != 0;
+ FC_Has = FcCharSetHasChar (fcs, ucs4);
+ if (FT_Has != FC_Has)
+ {
+ printf ("0x%08x FT says %d FC says %d\n", ucs4, FT_Has, FC_Has);
+ }
+ }
+#endif
+ }
+ }
+#ifdef CHECK
+ printf ("%d glyphs %d encoded\n", (int) face->num_glyphs, FcCharSetCount (fcs));
+ for (ucs4 = 0; ucs4 <= font_max; ucs4++)
+ {
+ FcBool has_char = FcFreeTypeCharIndex (face, ucs4) != 0;
+ FcBool has_bit = FcCharSetHasChar (fcs, ucs4);
+
+ if (has_char && !has_bit)
+ printf ("Bitmap missing char 0x%x\n", ucs4);
+ else if (!has_char && has_bit)
+ printf ("Bitmap extra char 0x%x\n", ucs4);
+ }
+#endif
+ return fcs;
+bail1:
+ FcCharSetDestroy (fcs);
+bail0:
+ return 0;
+}
+
git.wh0rd.org / fontconfig.git / blobdiff