diff options
| -rw-r--r-- | pango/pango-impl-utils.h | 4 | ||||
| -rw-r--r-- | pango/pangowin32-fontmap.c | 54 | ||||
| -rw-r--r-- | pango/pangowin32-private.h | 21 | ||||
| -rw-r--r-- | pango/pangowin32.c | 712 |
4 files changed, 60 insertions, 731 deletions
diff --git a/pango/pango-impl-utils.h b/pango/pango-impl-utils.h index 378f14a1..92a1168e 100644 --- a/pango/pango-impl-utils.h +++ b/pango/pango-impl-utils.h @@ -159,7 +159,9 @@ static struct { static inline G_GNUC_UNUSED const char * pango_get_ignorable (gunichar ch) { - for (int i = 0; i < G_N_ELEMENTS (ignorables); i++) + int i; + + for (i = 0; i < G_N_ELEMENTS (ignorables); i++) { if (ch == ignorables[i].ch) return ignorables[i].nick; diff --git a/pango/pangowin32-fontmap.c b/pango/pangowin32-fontmap.c index 86093544..1c0b70f2 100644 --- a/pango/pangowin32-fontmap.c +++ b/pango/pangowin32-fontmap.c @@ -670,19 +670,15 @@ create_standard_family (PangoWin32FontMap *win32fontmap, { const PangoWin32Face *old_face = p->data; PangoWin32Face *new_face = g_object_new (PANGO_WIN32_TYPE_FACE, NULL); - int j; new_face->logfontw = old_face->logfontw; new_face->description = pango_font_description_copy_static (old_face->description); pango_font_description_set_family_static (new_face->description, standard_family_name); - for (j = 0; j < PANGO_WIN32_N_COVERAGES; j++) - { - if (old_face->coverages[j] != NULL) - new_face->coverages[j] = pango_coverage_ref (old_face->coverages[j]); - else - new_face->coverages[j] = NULL; - } + if (old_face->coverage != NULL) + new_face->coverage = pango_coverage_ref (old_face->coverage); + else + new_face->coverage = NULL; new_face->face_name = NULL; @@ -1115,6 +1111,38 @@ pango_win32_font_map_real_find_font (PangoWin32FontMap *win32fontmap, return (PangoFont *)win32font; } +static gboolean +_pango_win32_get_name_header (HDC hdc, + struct name_header *header) +{ + if (GetFontData (hdc, NAME, 0, header, sizeof (*header)) != sizeof (*header)) + return FALSE; + + header->num_records = GUINT16_FROM_BE (header->num_records); + header->string_storage_offset = GUINT16_FROM_BE (header->string_storage_offset); + + return TRUE; +} + +static gboolean +_pango_win32_get_name_record (HDC hdc, + gint i, + struct name_record *record) +{ + if (GetFontData (hdc, NAME, 6 + i * sizeof (*record), + record, sizeof (*record)) != sizeof (*record)) + return FALSE; + + record->platform_id = GUINT16_FROM_BE (record->platform_id); + record->encoding_id = GUINT16_FROM_BE (record->encoding_id); + record->language_id = GUINT16_FROM_BE (record->language_id); + record->name_id = GUINT16_FROM_BE (record->name_id); + record->string_length = GUINT16_FROM_BE (record->string_length); + record->string_offset = GUINT16_FROM_BE (record->string_offset); + + return TRUE; +} + static gchar * get_family_nameA (const LOGFONTA *lfp) { @@ -1543,7 +1571,6 @@ pango_win32_insert_font (PangoWin32FontMap *win32fontmap, PangoFontDescription *description; PangoWin32Family *win32family; PangoWin32Face *win32face; - gint i; char tmp_for_charset_name[10]; char tmp_for_ff_name[10]; @@ -1594,8 +1621,7 @@ pango_win32_insert_font (PangoWin32FontMap *win32fontmap, win32face->logfontw = *lfp; win32face->description = description; - for (i = 0; i < PANGO_WIN32_N_COVERAGES; i++) - win32face->coverages[i] = NULL; + win32face->coverage = NULL; win32face->face_name = NULL; @@ -1690,14 +1716,12 @@ G_DEFINE_TYPE (PangoWin32Face, pango_win32_face, PANGO_TYPE_FONT_FACE) static void pango_win32_face_finalize (GObject *object) { - int j; PangoWin32Face *win32face = PANGO_WIN32_FACE (object); pango_font_description_free (win32face->description); - for (j = 0; j < PANGO_WIN32_N_COVERAGES; j++) - if (win32face->coverages[j] != NULL) - pango_coverage_unref (win32face->coverages[j]); + if (win32face->coverage != NULL) + pango_coverage_unref (win32face->coverage); g_free (win32face->face_name); diff --git a/pango/pangowin32-private.h b/pango/pangowin32-private.h index 72befca8..9d9a0a73 100644 --- a/pango/pangowin32-private.h +++ b/pango/pangowin32-private.h @@ -57,17 +57,6 @@ #include "pango-fontset-private.h" #include "pango-fontmap-private.h" -typedef enum - { - PANGO_WIN32_COVERAGE_UNSPEC, - PANGO_WIN32_COVERAGE_ZH_TW, - PANGO_WIN32_COVERAGE_ZH_CN, - PANGO_WIN32_COVERAGE_JA, - PANGO_WIN32_COVERAGE_KO, - PANGO_WIN32_COVERAGE_VI, - PANGO_WIN32_N_COVERAGES - } PangoWin32CoverageLanguageClass; - #define PANGO_TYPE_WIN32_FONT_MAP (_pango_win32_font_map_get_type ()) #define PANGO_WIN32_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_WIN32_FONT_MAP, PangoWin32FontMap)) #define PANGO_WIN32_IS_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_WIN32_FONT_MAP)) @@ -166,7 +155,7 @@ struct _PangoWin32Face LOGFONTW logfontw; PangoFontDescription *description; - PangoCoverage *coverages[PANGO_WIN32_N_COVERAGES]; + PangoCoverage *coverage; char *face_name; gboolean is_synthetic; @@ -280,14 +269,6 @@ void _pango_win32_fontmap_cache_remove (PangoFontMap *fontmap, PangoWin32Font *xfont); _PANGO_EXTERN -gboolean _pango_win32_get_name_header (HDC hdc, - struct name_header *header); -_PANGO_EXTERN -gboolean _pango_win32_get_name_record (HDC hdc, - gint i, - struct name_record *record); - -_PANGO_EXTERN HFONT _pango_win32_font_get_hfont (PangoFont *font); extern HDC _pango_win32_hdc; diff --git a/pango/pangowin32.c b/pango/pangowin32.c index 09750199..c08ae24b 100644 --- a/pango/pangowin32.c +++ b/pango/pangowin32.c @@ -43,11 +43,6 @@ #define MAX_FREED_FONTS 256 -#define CH_IS_UNIHAN_BMP(ch) ((ch) >= 0x3400 && (ch) <= 0x9FFF) -#define CH_IS_UNIHAN(ch) (CH_IS_UNIHAN_BMP (ch) || \ - ((ch) >= 0x20000 && (ch) <= 0x2A6DF) || \ - ((ch) >= 0x2F800 && (ch) <= 0x2FA1F)) - HDC _pango_win32_hdc; gboolean _pango_win32_debug = FALSE; @@ -58,9 +53,6 @@ static PangoFontDescription *pango_win32_font_describe (PangoFont static PangoFontDescription *pango_win32_font_describe_absolute (PangoFont *font); static PangoCoverage *pango_win32_font_get_coverage (PangoFont *font, PangoLanguage *lang); -static void pango_win32_font_calc_coverage (PangoFont *font, - PangoCoverage *coverage, - PangoLanguage *lang); static void pango_win32_font_get_glyph_extents (PangoFont *font, PangoGlyph glyph, PangoRectangle *ink_rect, @@ -870,62 +862,28 @@ pango_win32_font_describe_absolute (PangoFont *font) return desc; } -static gint -pango_win32_coverage_language_classify (PangoLanguage *lang) -{ - if (pango_language_matches (lang, "zh-tw")) - return PANGO_WIN32_COVERAGE_ZH_TW; - else if (pango_language_matches (lang, "zh-cn")) - return PANGO_WIN32_COVERAGE_ZH_CN; - else if (pango_language_matches (lang, "ja")) - return PANGO_WIN32_COVERAGE_JA; - else if (pango_language_matches (lang, "ko")) - return PANGO_WIN32_COVERAGE_KO; - else if (pango_language_matches (lang, "vi")) - return PANGO_WIN32_COVERAGE_VI; - else - return PANGO_WIN32_COVERAGE_UNSPEC; -} - -static PangoCoverage * -pango_win32_font_entry_get_coverage (PangoWin32Face *face, - PangoLanguage *lang) -{ - gint i = pango_win32_coverage_language_classify (lang); - if (face->coverages[i]) - { - pango_coverage_ref (face->coverages[i]); - return face->coverages[i]; - } - - return NULL; -} - -static void -pango_win32_font_entry_set_coverage (PangoWin32Face *face, - PangoCoverage *coverage, - PangoLanguage *lang) -{ - face->coverages[pango_win32_coverage_language_classify (lang)] = pango_coverage_ref (coverage); -} - static PangoCoverage * pango_win32_font_get_coverage (PangoFont *font, - PangoLanguage *lang) + PangoLanguage *lang G_GNUC_UNUSED) { - PangoCoverage *coverage; - PangoWin32Font *win32font = (PangoWin32Font *)font; + PangoWin32Face *win32face = ((PangoWin32Font *)font)->win32face; - coverage = pango_win32_font_entry_get_coverage (win32font->win32face, lang); - if (!coverage) + if (!win32face->coverage) { - coverage = pango_coverage_new (); - pango_win32_font_calc_coverage (font, coverage, lang); + PangoCoverage *coverage = pango_coverage_new (); + hb_font_t *hb_font = pango_font_get_hb_font (font); + hb_face_t *hb_face = hb_font_get_face (hb_font); + hb_set_t *chars = hb_set_create (); + hb_codepoint_t ch = HB_SET_VALUE_INVALID; + + hb_face_collect_unicodes (hb_face, chars); + while (hb_set_next(chars, &ch)) + pango_coverage_set (coverage, ch, PANGO_COVERAGE_EXACT); - pango_win32_font_entry_set_coverage (win32font->win32face, coverage, lang); + win32face->coverage = pango_coverage_ref (coverage); } - return coverage; + return pango_coverage_ref (win32face->coverage); } /* Utility functions */ @@ -1206,287 +1164,6 @@ pango_win32_get_item_properties (PangoItem *item, } } -static guint -get_cmap_offset (HDC hdc, - guint16 encoding_id) -{ - guint16 n_tables; - struct cmap_encoding_subtable *table; - gint32 res; - int i; - guint32 offset; - - /* Get The number of encoding tables, at offset 2 */ - res = GetFontData (hdc, CMAP, 2, &n_tables, 2); - if (res != 2) - return 0; - - n_tables = GUINT16_FROM_BE (n_tables); - - table = g_malloc (ENCODING_TABLE_SIZE*n_tables); - - res = GetFontData (hdc, CMAP, CMAP_HEADER_SIZE, table, ENCODING_TABLE_SIZE*n_tables); - if (res != ENCODING_TABLE_SIZE*n_tables) - return 0; - - for (i = 0; i < n_tables; i++) - { - if (table[i].platform_id == GUINT16_TO_BE (MICROSOFT_PLATFORM_ID) && - table[i].encoding_id == GUINT16_TO_BE (encoding_id)) - { - offset = GUINT32_FROM_BE (table[i].offset); - g_free (table); - return offset; - } - } - g_free (table); - return 0; -} - -static gpointer -get_format_4_cmap (HDC hdc) -{ - guint32 offset; - guint32 res; - guint16 length; - guint16 *tbl, *tbl_end; - struct format_4_cmap *table; - - /* FIXME: Could look here at the CRC for the font in the DC - and return a cached copy if the same */ - - offset = get_cmap_offset (hdc, UNICODE_ENCODING_ID); - if (offset == 0) - return NULL; - - res = GetFontData (hdc, CMAP, offset + 2, &length, 2); - if (res != 2) - return NULL; - length = GUINT16_FROM_BE (length); - - table = g_malloc (length); - - res = GetFontData (hdc, CMAP, offset, table, length); - if (res != length || - GUINT16_FROM_BE (table->format) != 4 || - (GUINT16_FROM_BE (table->length) % 2) != 0) - { - g_free (table); - return NULL; - } - - table->format = GUINT16_FROM_BE (table->format); - table->length = GUINT16_FROM_BE (table->length); - table->language = GUINT16_FROM_BE (table->language); - table->seg_count_x_2 = GUINT16_FROM_BE (table->seg_count_x_2); - table->search_range = GUINT16_FROM_BE (table->search_range); - table->entry_selector = GUINT16_FROM_BE (table->entry_selector); - table->range_shift = GUINT16_FROM_BE (table->range_shift); - - tbl_end = (guint16 *)((char *)table + length); - tbl = &table->reserved; - - while (tbl < tbl_end) - { - *tbl = GUINT16_FROM_BE (*tbl); - tbl++; - } - - return table; -} - -static guint16 * -get_id_range_offset (struct format_4_cmap *table) -{ - gint32 seg_count = table->seg_count_x_2/2; - return &table->arrays[seg_count*3]; -} - -static guint16 * -get_id_delta (struct format_4_cmap *table) -{ - gint32 seg_count = table->seg_count_x_2/2; - return &table->arrays[seg_count*2]; -} - -static guint16 * -get_start_count (struct format_4_cmap *table) -{ - gint32 seg_count = table->seg_count_x_2/2; - return &table->arrays[seg_count*1]; -} - -static guint16 * -get_end_count (struct format_4_cmap *table) -{ - gint32 seg_count = table->seg_count_x_2/2; - /* Apparently the reseved spot is not reserved for - the end_count array!? */ - return (&table->arrays[seg_count*0])-1; -} - -static gboolean -find_segment (struct format_4_cmap *table, - guint16 wc, - guint16 *segment) -{ - guint16 start, end, i; - guint16 seg_count = table->seg_count_x_2/2; - guint16 *end_count = get_end_count (table); - guint16 *start_count = get_start_count (table); - static guint last = 0; /* Cache of one */ /* MT-safe */ - - if (last < seg_count && - wc >= start_count[last] && - wc <= end_count[last]) - { - *segment = last; - return TRUE; - } - - - /* Binary search for the segment */ - start = 0; /* inclusive */ - end = seg_count; /* not inclusive */ - while (start < end) - { - /* Look at middle pos */ - i = (start + end)/2; - - if (i == start) - { - /* We made no progress. Look if this is the one. */ - - if (wc >= start_count[i] && - wc <= end_count[i]) - { - *segment = i; - last = i; - return TRUE; - } - else - return FALSE; - } - else if (wc < start_count[i]) - { - end = i; - } - else if (wc > end_count[i]) - { - start = i; - } - else - { - /* Found it! */ - *segment = i; - last = i; - return TRUE; - } - } - return FALSE; -} - -static gpointer -get_format_12_cmap (HDC hdc) -{ - guint32 offset; - guint32 res; - guint32 length; - guint32 *tbl, *tbl_end; - struct format_12_cmap *table; - - offset = get_cmap_offset (hdc, UCS4_ENCODING_ID); - if (offset == 0) - return NULL; - - res = GetFontData (hdc, CMAP, offset + 4, &length, 4); - if (res != 4) - return NULL; - length = GUINT32_FROM_BE (length); - - table = g_malloc (length); - - res = GetFontData (hdc, CMAP, offset, table, length); - if (res != length) - { - g_free (table); - return NULL; - } - - table->format = GUINT16_FROM_BE (table->format); - table->length = GUINT32_FROM_BE (table->length); - table->language = GUINT32_FROM_BE (table->language); - table->count = GUINT32_FROM_BE (table->count); - - if (table->format != 12 || - (table->length % 4) != 0 || - table->length > length || - table->length < 16 + table->count * 12) - { - g_free (table); - return NULL; - } - - tbl_end = (guint32 *) ((char *) table + length); - tbl = table->groups; - - while (tbl < tbl_end) - { - *tbl = GUINT32_FROM_BE (*tbl); - tbl++; - } - - return table; -} - -static gpointer -font_get_cmap (PangoFont *font) -{ - PangoWin32Font *win32font = (PangoWin32Font *)font; - gpointer cmap; - - if (win32font->win32face->cmap) - return win32font->win32face->cmap; - - pango_win32_font_select_font (font, _pango_win32_hdc); - - /* Prefer the format 12 cmap */ - if ((cmap = get_format_12_cmap (_pango_win32_hdc)) != NULL) - { - win32font->win32face->cmap_format = 12; - win32font->win32face->cmap = cmap; - } - else if ((cmap = get_format_4_cmap (_pango_win32_hdc)) != NULL) - { - win32font->win32face->cmap_format = 4; - win32font->win32face->cmap = cmap; - } - - pango_win32_font_done_font (font); - - return cmap; -} - -static gint -pango_win32_font_get_type1_glyph_index (PangoFont *font, - gunichar wc) -{ - wchar_t unicode[2]; - WORD glyph_index; - gint32 res; - - unicode[0] = wc; - unicode[1] = 0; - pango_win32_font_select_font (font, _pango_win32_hdc); - res = GetGlyphIndicesW (_pango_win32_hdc, unicode, 1, &glyph_index, 0); - pango_win32_font_done_font (font); - - if (res == 1) - return glyph_index; - else - return 0; -} - /** * pango_win32_font_get_glyph_index: * @font: a #PangoFont. @@ -1501,369 +1178,14 @@ gint pango_win32_font_get_glyph_index (PangoFont *font, gunichar wc) { - PangoWin32Font *win32font = (PangoWin32Font *)font; - gpointer cmap; - guint16 glyph; + hb_font_t *hb_font = pango_font_get_hb_font (font); + hb_codepoint_t glyph = 0; - if (win32font->win32face->has_cmap) - { - /* Do GetFontData magic on font->hfont here. */ - cmap = font_get_cmap (font); - if (cmap == NULL) - win32font->win32face->has_cmap = FALSE; - } - - if (!win32font->win32face->has_cmap) - return pango_win32_font_get_type1_glyph_index (font, wc); - - if (win32font->win32face->cmap_format == 4) - { - struct format_4_cmap *cmap4 = cmap; - guint16 *id_range_offset; - guint16 *id_delta; - guint16 *start_count; - guint16 segment; - guint16 id; - guint16 ch = wc; - - if (wc > 0xFFFF) - return 0; - - if (!find_segment (cmap4, ch, &segment)) - return 0; - - id_range_offset = get_id_range_offset (cmap4); - id_delta = get_id_delta (cmap4); - start_count = get_start_count (cmap4); - - if (id_range_offset[segment] == 0) - glyph = (id_delta[segment] + ch) % 65536; - else - { - id = *(id_range_offset[segment]/2 + - (ch - start_count[segment]) + - &id_range_offset[segment]); - if (id) - glyph = (id_delta[segment] + id) %65536; - else - glyph = 0; - } - } - else if (win32font->win32face->cmap_format == 12) - { - struct format_12_cmap *cmap12 = cmap; - guint32 i; - - glyph = 0; - for (i = 0; i < cmap12->count; i++) - { - if (cmap12->groups[i*3+0] <= wc && wc <= cmap12->groups[i*3+1]) - { - glyph = cmap12->groups[i*3+2] + (wc - cmap12->groups[i*3+0]); - break; - } - } - } - else - g_assert_not_reached (); + hb_font_get_nominal_glyph (hb_font, wc, &glyph); return glyph; } -gboolean -_pango_win32_get_name_header (HDC hdc, - struct name_header *header) -{ - if (GetFontData (hdc, NAME, 0, header, sizeof (*header)) != sizeof (*header)) - return FALSE; - - header->num_records = GUINT16_FROM_BE (header->num_records); - header->string_storage_offset = GUINT16_FROM_BE (header->string_storage_offset); - - return TRUE; -} - -gboolean -_pango_win32_get_name_record (HDC hdc, - gint i, - struct name_record *record) -{ - if (GetFontData (hdc, NAME, 6 + i * sizeof (*record), - record, sizeof (*record)) != sizeof (*record)) - return FALSE; - - record->platform_id = GUINT16_FROM_BE (record->platform_id); - record->encoding_id = GUINT16_FROM_BE (record->encoding_id); - record->language_id = GUINT16_FROM_BE (record->language_id); - record->name_id = GUINT16_FROM_BE (record->name_id); - record->string_length = GUINT16_FROM_BE (record->string_length); - record->string_offset = GUINT16_FROM_BE (record->string_offset); - - return TRUE; -} - -static gboolean -font_has_name_in (PangoFont *font, - PangoWin32CoverageLanguageClass cjkv) -{ - HFONT hfont, oldhfont; - struct name_header header; - struct name_record record; - gint i; - gboolean retval = FALSE; - - if (cjkv == PANGO_WIN32_COVERAGE_UNSPEC) - return TRUE; - - hfont = _pango_win32_font_get_hfont (font); - oldhfont = SelectObject (_pango_win32_hdc, hfont); - - if (!_pango_win32_get_name_header (_pango_win32_hdc, &header)) - { - SelectObject (_pango_win32_hdc, oldhfont); - return FALSE; - } - - for (i = 0; i < header.num_records; i++) - { - if (!_pango_win32_get_name_record (_pango_win32_hdc, i, &record)) - { - SelectObject (_pango_win32_hdc, oldhfont); - return FALSE; - } - - if ((record.name_id != 1 && record.name_id != 16) || record.string_length <= 0) - continue; - - PING (("platform:%d encoding:%d language:%04x name_id:%d", - record.platform_id, record.encoding_id, record.language_id, record.name_id)); - - if (record.platform_id == MICROSOFT_PLATFORM_ID) - if ((cjkv == PANGO_WIN32_COVERAGE_ZH_TW && - record.language_id == MAKELANGID (LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL)) - || - (cjkv == PANGO_WIN32_COVERAGE_ZH_CN && - record.language_id == MAKELANGID (LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED)) - || - (cjkv == PANGO_WIN32_COVERAGE_JA && - PRIMARYLANGID (record.language_id) == LANG_JAPANESE) - || - (cjkv == PANGO_WIN32_COVERAGE_KO && - PRIMARYLANGID (record.language_id) == LANG_KOREAN) - || - (cjkv == PANGO_WIN32_COVERAGE_VI && - PRIMARYLANGID (record.language_id) == LANG_VIETNAMESE)) - { - PING (("yep:%d:%04x", cjkv, record.language_id)); - retval = TRUE; - break; - } - } - - SelectObject (_pango_win32_hdc, oldhfont); - return retval; -} - -static void -pango_win32_font_calc_type1_coverage (PangoFont *font, - PangoCoverage *coverage, - PangoLanguage *lang) -{ - GLYPHSET *glyph_set; - gint32 res; - guint32 ch; - guint32 i; - - pango_win32_font_select_font (font, _pango_win32_hdc); - res = GetFontUnicodeRanges(_pango_win32_hdc, NULL); - if (res == 0) - goto fail1; - - glyph_set = g_malloc (res); - res = GetFontUnicodeRanges(_pango_win32_hdc, glyph_set); - if (res == 0) - goto fail2; - - for (i = 0; i < glyph_set->cRanges; i++) - { - guint32 end = glyph_set->ranges[i].wcLow + glyph_set->ranges[i].cGlyphs; - - for (ch = glyph_set->ranges[i].wcLow; ch < end; ch++) - if (CH_IS_UNIHAN_BMP (ch)) - pango_coverage_set (coverage, ch, PANGO_COVERAGE_APPROXIMATE); - else - pango_coverage_set (coverage, ch, PANGO_COVERAGE_EXACT); - } - - fail2: - g_free (glyph_set); - - fail1: - pango_win32_font_done_font (font); -} - -static void -pango_win32_font_calc_coverage (PangoFont *font, - PangoCoverage *coverage, - PangoLanguage *lang) -{ - PangoWin32Font *win32font = (PangoWin32Font *)font; - gpointer cmap; - guint32 ch; - guint32 i; - PangoWin32CoverageLanguageClass cjkv; - gboolean hide_unihan = FALSE; - PangoFontDescription *desc; - gchar *name; - - desc = pango_font_describe (font); - name = pango_font_description_to_string (desc); - PING (("font:%s lang:%s", name, - pango_language_to_string (lang))); - g_free (name); - pango_font_description_free (desc); - - if (win32font->win32face->has_cmap) - { - /* Do GetFontData magic on font->hfont here. */ - cmap = font_get_cmap (font); - if (cmap == NULL) - win32font->win32face->has_cmap = FALSE; - } - - if (!win32font->win32face->has_cmap) - { - pango_win32_font_calc_type1_coverage (font, coverage, lang); - return; - } - - cjkv = pango_win32_coverage_language_classify (lang); - - if (cjkv != PANGO_WIN32_COVERAGE_UNSPEC && !font_has_name_in (font, cjkv)) - { - PING (("hiding UniHan chars")); - hide_unihan = TRUE; - } - - PING (("coverage:")); - if (win32font->win32face->cmap_format == 4) - { - struct format_4_cmap *cmap4 = cmap; - guint16 *id_range_offset; - guint16 *start_count; - guint16 *end_count; - guint16 seg_count; - guint16 id; - - seg_count = cmap4->seg_count_x_2/2; - end_count = get_end_count (cmap4); - start_count = get_start_count (cmap4); - id_range_offset = get_id_range_offset (cmap4); - - for (i = 0; i < seg_count; i++) - { - if (id_range_offset[i] == 0) - { -#ifdef PANGO_WIN32_DEBUGGING - if (_pango_win32_debug) - { - if (end_count[i] == start_count[i]) - g_print ("%04x ", start_count[i]); - else - g_print ("%04x:%04x ", start_count[i], end_count[i]); - } -#endif - for (ch = start_count[i]; ch <= end_count[i]; ch++) - if (hide_unihan && CH_IS_UNIHAN_BMP (ch)) - pango_coverage_set (coverage, ch, PANGO_COVERAGE_APPROXIMATE); - else - pango_coverage_set (coverage, ch, PANGO_COVERAGE_EXACT); - } - else - { -#ifdef PANGO_WIN32_DEBUGGING - guint32 ch0 = G_MAXUINT; -#endif - for (ch = start_count[i]; ch <= end_count[i]; ch++) - { - if (ch == 0xFFFF) - break; - - id = *(id_range_offset[i]/2 + - (ch - start_count[i]) + - &id_range_offset[i]); - if (id) - { -#ifdef PANGO_WIN32_DEBUGGING - if (ch0 == G_MAXUINT) - ch0 = ch; -#endif - if (hide_unihan && CH_IS_UNIHAN_BMP (ch)) - pango_coverage_set (coverage, ch, PANGO_COVERAGE_APPROXIMATE); - else - pango_coverage_set (coverage, ch, PANGO_COVERAGE_EXACT); - } -#ifdef PANGO_WIN32_DEBUGGING - else if (ch0 < G_MAXUINT) - { - if (_pango_win32_debug) - { - if (ch > ch0 + 2) - g_print ("%04x:%04x ", ch0, ch - 1); - else - g_print ("%04x ", ch0); - } - ch0 = G_MAXUINT; - } -#endif - } -#ifdef PANGO_WIN32_DEBUGGING - if (ch0 < G_MAXUINT) - { - if (_pango_win32_debug) - { - if (ch > ch0 + 2) - g_print ("%04x:%04x ", ch0, ch - 1); - else - g_print ("%04x ", ch0); - } - } -#endif - } - } - } - else if (win32font->win32face->cmap_format == 12) - { - struct format_12_cmap *cmap12 = cmap; - - for (i = 0; i < cmap12->count; i++) - { -#ifdef PANGO_WIN32_DEBUGGING - if (_pango_win32_debug) - { - if (cmap12->groups[i*3+0] == cmap12->groups[i*3+1]) - g_print ("%04x ", cmap12->groups[i*3+0]); - else - g_print ("%04x:%04x ", cmap12->groups[i*3+0], cmap12->groups[i*3+1]); - } -#endif - for (ch = cmap12->groups[i*3+0]; ch <= cmap12->groups[i*3+1]; ch++) - { - if (hide_unihan && CH_IS_UNIHAN (ch)) - pango_coverage_set (coverage, ch, PANGO_COVERAGE_APPROXIMATE); - else - pango_coverage_set (coverage, ch, PANGO_COVERAGE_EXACT); - } - } - } - else - g_assert_not_reached (); -#ifdef PANGO_WIN32_DEBUGGING - if (_pango_win32_debug) - g_print ("\n"); -#endif -} - /* * Swap HarfBuzz-style tags to tags that GetFontData() understands, * adapted from https://github.com/harfbuzz/harfbuzz/pull/1832, |