/*
- * $XFree86: $
+ * $XFree86: xc/lib/fontconfig/src/fcfreetype.c,v 1.4 2002/05/31 23:21:25 keithp Exp $
*
* Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc.
*
#include <freetype/freetype.h>
#include <freetype/internal/ftobjs.h>
#include <freetype/tttables.h>
+#include "fcknownsets.h"
static const struct {
int bit;
FcChar8 *name;
} FcCodePageRange[] = {
{ 0, (FcChar8 *) FC_LANG_LATIN_1 },
- { 1, (FcChar8 *) FC_LANG_LATIN_2_EASTERN_EUROPE },
+ { 1, (FcChar8 *) FC_LANG_LATIN_2 },
{ 2, (FcChar8 *) FC_LANG_CYRILLIC },
{ 3, (FcChar8 *) FC_LANG_GREEK },
{ 4, (FcChar8 *) FC_LANG_TURKISH },
#define NUM_CODE_PAGE_RANGE (sizeof FcCodePageRange / sizeof FcCodePageRange[0])
+static const struct {
+ const FcCharSet *set;
+ FcChar32 size;
+ FcChar32 missing_tolerance;
+ FcChar8 *name;
+} FcCodePageSet[] = {
+ {
+ &fcCharSet_Latin1_1252,
+ fcCharSet_Latin1_1252_size,
+ 8,
+ (FcChar8 *) FC_LANG_LATIN_1,
+ },
+ {
+ &fcCharSet_Latin2_1250,
+ fcCharSet_Latin2_1250_size,
+ 8,
+ (FcChar8 *) FC_LANG_LATIN_2,
+ },
+ {
+ &fcCharSet_Cyrillic_1251,
+ fcCharSet_Cyrillic_1251_size,
+ 16,
+ (FcChar8 *) FC_LANG_CYRILLIC,
+ },
+ {
+ &fcCharSet_Greek_1253,
+ fcCharSet_Greek_1253_size,
+ 8,
+ (FcChar8 *) FC_LANG_GREEK,
+ },
+ {
+ &fcCharSet_Turkish_1254,
+ fcCharSet_Turkish_1254_size,
+ 16,
+ (FcChar8 *) FC_LANG_TURKISH,
+ },
+ {
+ &fcCharSet_Hebrew_1255,
+ fcCharSet_Hebrew_1255_size,
+ 16,
+ (FcChar8 *) FC_LANG_HEBREW,
+ },
+ {
+ &fcCharSet_Arabic_1256,
+ fcCharSet_Arabic_1256_size,
+ 16,
+ (FcChar8 *) FC_LANG_ARABIC,
+ },
+ {
+ &fcCharSet_Windows_Baltic_1257,
+ fcCharSet_Windows_Baltic_1257_size,
+ 16,
+ (FcChar8 *) FC_LANG_WINDOWS_BALTIC,
+ },
+ {
+ &fcCharSet_Thai_874,
+ fcCharSet_Thai_874_size,
+ 16,
+ (FcChar8 *) FC_LANG_THAI,
+ },
+ {
+ &fcCharSet_Japanese_932,
+ fcCharSet_Japanese_932_size,
+ 500,
+ (FcChar8 *) FC_LANG_JAPANESE,
+ },
+ {
+ &fcCharSet_SimplifiedChinese_936,
+ fcCharSet_SimplifiedChinese_936_size,
+ 500,
+ (FcChar8 *) FC_LANG_SIMPLIFIED_CHINESE,
+ },
+ {
+ &fcCharSet_Korean_949,
+ fcCharSet_Korean_949_size,
+ 500,
+ (FcChar8 *) FC_LANG_KOREAN_WANSUNG,
+ },
+ {
+ &fcCharSet_TraditionalChinese_950,
+ fcCharSet_TraditionalChinese_950_size,
+ 500,
+ (FcChar8 *) FC_LANG_TRADITIONAL_CHINESE,
+ },
+};
+
+#define NUM_CODE_PAGE_SET (sizeof FcCodePageSet / sizeof FcCodePageSet[0])
+
FcPattern *
FcFreeTypeQuery (const FcChar8 *file,
int id,
FT_Library ftLibrary;
const FcChar8 *family;
TT_OS2 *os2;
+ FcBool hasLang = FcFalse;
+ FcChar32 codepoints;
+ FcBool matchCodePage[NUM_CODE_PAGE_SET];
if (FT_Init_FreeType (&ftLibrary))
return 0;
goto bail1;
#endif
+ /*
+ * Get the OS/2 table and poke about
+ */
+ os2 = (TT_OS2 *) FT_Get_Sfnt_Table (face, ft_sfnt_os2);
+ if (os2 && os2->version >= 0x0001 && os2->version != 0xffff)
+ {
+ for (i = 0; i < NUM_CODE_PAGE_RANGE; i++)
+ {
+ FT_ULong bits;
+ int bit;
+ if (FcCodePageRange[i].bit < 32)
+ {
+ bits = os2->ulCodePageRange1;
+ bit = FcCodePageRange[i].bit;
+ }
+ else
+ {
+ bits = os2->ulCodePageRange2;
+ bit = FcCodePageRange[i].bit - 32;
+ }
+ if (bits & (1 << bit))
+ {
+ if (!FcPatternAddString (pat, FC_LANG,
+ FcCodePageRange[i].name))
+ goto bail1;
+ hasLang = FcTrue;
+ }
+ }
+ }
+
+ /*
+ * Compute the unicode coverage for the font
+ */
cs = FcFreeTypeCharSet (face, blanks);
if (!cs)
goto bail1;
+ codepoints = FcCharSetCount (cs);
/*
* Skip over PCF fonts that have no encoded characters; they're
* usually just Unicode fonts transcoded to some legacy encoding
*/
- if (FcCharSetCount (cs) == 0)
+ if (codepoints == 0)
{
if (!strcmp(FT_MODULE_CLASS(&face->driver->root)->module_name, "pcf"))
goto bail2;
if (!FcPatternAddCharSet (pat, FC_CHARSET, cs))
goto bail2;
+
+ if (!hasLang || (FcDebug() & FC_DBG_SCANV))
+ {
+ /*
+ * Use the Unicode coverage to set lang if it wasn't
+ * set from the OS/2 tables
+ */
+
+ if (FcDebug() & FC_DBG_SCANV)
+ printf ("%s: ", family);
+ for (i = 0; i < NUM_CODE_PAGE_SET; i++)
+ {
+ FcChar32 missing;
+
+ missing = FcCharSetSubtractCount (FcCodePageSet[i].set,
+ cs);
+ matchCodePage[i] = missing <= FcCodePageSet[i].missing_tolerance;
+ if (FcDebug() & FC_DBG_SCANV)
+ printf ("%s(%d) ", FcCodePageSet[i].name, missing);
+ }
+ if (FcDebug() & FC_DBG_SCANV)
+ printf ("\n");
+
+ if (hasLang)
+ {
+ FcChar8 *lang;
+ int j;
+ /*
+ * Validate the lang selections
+ */
+ for (i = 0; FcPatternGetString (pat, FC_LANG, i, &lang) == FcResultMatch; i++)
+ {
+ for (j = 0; j < NUM_CODE_PAGE_SET; j++)
+ if (!strcmp ((char *) FcCodePageSet[j].name,
+ (char *) lang))
+ {
+ if (!matchCodePage[j])
+ printf ("%s(%s): missing lang %s\n", file, family, lang);
+ }
+ }
+ for (j = 0; j < NUM_CODE_PAGE_SET; j++)
+ {
+ if (!matchCodePage[j])
+ continue;
+ lang = 0;
+ for (i = 0; FcPatternGetString (pat, FC_LANG, i, &lang) == FcResultMatch; i++)
+ {
+ if (!strcmp ((char *) FcCodePageSet[j].name, (char *) lang))
+ break;
+ lang = 0;
+ }
+ if (!lang)
+ printf ("%s(%s): extra lang %s\n", file, family, FcCodePageSet[j].name);
+ }
+ }
+ else
+ {
+ /*
+ * None provided, use the charset derived ones
+ */
+ for (i = 0; i < NUM_CODE_PAGE_SET; i++)
+ if (matchCodePage[i])
+ {
+ if (!FcPatternAddString (pat, FC_LANG,
+ FcCodePageRange[i].name))
+ goto bail1;
+ hasLang = TRUE;
+ }
+ }
+ }
+ if (!hasLang)
+ if (!FcPatternAddString (pat, FC_LANG, (FcChar8 *) FC_LANG_UNKNOWN))
+ goto bail1;
+
/*
* Drop our reference to the charset
*/
goto bail1;
}
- /*
- * Get the OS/2 table and poke about
- */
- os2 = (TT_OS2 *) FT_Get_Sfnt_Table (face, ft_sfnt_os2);
- if (os2 && os2->version >= 0x0001 && os2->version != 0xffff)
- {
- for (i = 0; i < NUM_CODE_PAGE_RANGE; i++)
- {
- FT_ULong bits;
- int bit;
- if (FcCodePageRange[i].bit < 32)
- {
- bits = os2->ulCodePageRange1;
- bit = FcCodePageRange[i].bit;
- }
- else
- {
- bits = os2->ulCodePageRange2;
- bit = FcCodePageRange[i].bit - 32;
- }
- if (bits & (1 << bit))
- {
- if (!FcPatternAddString (pat, FC_LANG,
- FcCodePageRange[i].name))
- goto bail1;
- }
- }
- }
-
FT_Done_Face (face);
FT_Done_FreeType (ftLibrary);
return pat;
git.wh0rd.org / fontconfig.git / blobdiff