diff options
Diffstat (limited to 'pango/pangox-fontmap.c')
| -rw-r--r-- | pango/pangox-fontmap.c | 676 |
1 files changed, 374 insertions, 302 deletions
diff --git a/pango/pangox-fontmap.c b/pango/pangox-fontmap.c index ae92f507..c84ec0fb 100644 --- a/pango/pangox-fontmap.c +++ b/pango/pangox-fontmap.c @@ -32,7 +32,7 @@ #include "pango-utils.h" #include "pangox-private.h" -typedef struct _PangoXFamilyEntry PangoXFamilyEntry; +typedef struct _PangoXFamily PangoXFamily; typedef struct _PangoXSizeInfo PangoXSizeInfo; /* Number of freed fonts */ @@ -63,23 +63,24 @@ typedef enum XLFD_NUM_FIELDS } FontField; -struct _PangoXFontMapClass -{ - PangoFontMapClass parent_class; -}; - -struct _PangoXFamilyEntry +struct _PangoXFamily { + PangoFontFamily parent_instance; + char *family_name; GSList *font_entries; }; -struct _PangoXFontEntry +struct _PangoXFace { + PangoFontFace parent_instance; + char *xlfd; - PangoFontDescription description; + PangoFontDescription *description; PangoCoverage *coverage; + char *face_name; + GSList *cached_fonts; }; @@ -125,17 +126,13 @@ const struct { }; static void pango_x_font_map_init (PangoXFontMap *fontmap); -static void pango_x_font_map_class_init (PangoXFontMapClass *class); +static void pango_x_font_map_class_init (PangoFontMapClass *class); static void pango_x_font_map_finalize (GObject *object); static PangoFont *pango_x_font_map_load_font (PangoFontMap *fontmap, const PangoFontDescription *description); -static void pango_x_font_map_list_fonts (PangoFontMap *fontmap, - const gchar *family, - PangoFontDescription ***descs, - int *n_descs); static void pango_x_font_map_list_families (PangoFontMap *fontmap, - gchar ***families, + PangoFontFamily ***families, int *n_families); static void pango_x_fontmap_cache_clear (PangoXFontMap *xfontmap); @@ -152,7 +149,21 @@ static char * pango_x_get_xlfd_field (const char *fontname, static char * pango_x_get_identifier (const char *fontname); -static PangoFontClass *parent_class; /* Parent class structure for PangoXFontMap */ +#define PANGO_X_TYPE_FAMILY (pango_x_family_get_type ()) +#define PANGO_X_FAMILY(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_X_TYPE_FAMILY, PangoXFamily)) +#define PANGO_X_IS_FAMILY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_X_TYPE_FAMILY)) + +GType pango_x_family_get_type (void); + + +#define PANGO_X_TYPE_FACE (pango_x_face_get_type ()) +#define PANGO_X_FACE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_X_TYPE_FACE, PangoXFace)) +#define PANGO_X_IS_FACE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_X_TYPE_FACE)) + +GType pango_x_face_get_type (void); + + +static PangoFontClass *font_map_parent_class; /* Parent class structure for PangoXFontMap */ GType pango_x_font_map_get_type (void) @@ -163,7 +174,7 @@ pango_x_font_map_get_type (void) { static const GTypeInfo object_info = { - sizeof (PangoXFontMapClass), + sizeof (PangoFontMapClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) pango_x_font_map_class_init, @@ -193,17 +204,15 @@ pango_x_font_map_init (PangoXFontMap *xfontmap) } static void -pango_x_font_map_class_init (PangoXFontMapClass *class) +pango_x_font_map_class_init (PangoFontMapClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); - PangoFontMapClass *font_map_class = PANGO_FONT_MAP_CLASS (class); - parent_class = g_type_class_peek_parent (class); + font_map_parent_class = g_type_class_peek_parent (class); object_class->finalize = pango_x_font_map_finalize; - font_map_class->load_font = pango_x_font_map_load_font; - font_map_class->list_fonts = pango_x_font_map_list_fonts; - font_map_class->list_families = pango_x_font_map_list_families; + class->load_font = pango_x_font_map_load_font; + class->list_families = pango_x_font_map_list_families; } static GList *fontmaps = NULL; @@ -314,80 +323,7 @@ pango_x_font_map_finalize (GObject *object) fontmaps = g_list_remove (fontmaps, xfontmap); - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -typedef struct -{ - int n_found; - PangoFontDescription **descs; -} ListFontsInfo; - -static void -list_fonts_foreach (gpointer key, gpointer value, gpointer user_data) -{ - PangoXFamilyEntry *entry = value; - ListFontsInfo *info = user_data; - - GSList *tmp_list = entry->font_entries; - - while (tmp_list) - { - PangoXFontEntry *font_entry = tmp_list->data; - - info->descs[info->n_found++] = pango_font_description_copy (&font_entry->description); - tmp_list = tmp_list->next; - } -} - -static void -pango_x_font_map_list_fonts (PangoFontMap *fontmap, - const gchar *family, - PangoFontDescription ***descs, - int *n_descs) -{ - PangoXFontMap *xfontmap = (PangoXFontMap *)fontmap; - ListFontsInfo info; - - if (!n_descs) - return; - - if (family) - { - PangoXFamilyEntry *entry = g_hash_table_lookup (xfontmap->families, family); - if (entry) - { - *n_descs = g_slist_length (entry->font_entries); - if (descs) - { - *descs = g_new (PangoFontDescription *, *n_descs); - - info.descs = *descs; - info.n_found = 0; - - list_fonts_foreach ((gpointer)family, (gpointer)entry, &info); - } - } - else - { - *n_descs = 0; - if (descs) - *descs = NULL; - } - } - else - { - *n_descs = xfontmap->n_fonts; - if (descs) - { - *descs = g_new (PangoFontDescription *, xfontmap->n_fonts); - - info.descs = *descs; - info.n_found = 0; - - g_hash_table_foreach (xfontmap->families, list_fonts_foreach, &info); - } - } + G_OBJECT_CLASS (font_map_parent_class)->finalize (object); } static void @@ -395,12 +331,12 @@ list_families_foreach (gpointer key, gpointer value, gpointer user_data) { GSList **list = user_data; - *list = g_slist_prepend (*list, key); + *list = g_slist_prepend (*list, value); } static void pango_x_font_map_list_families (PangoFontMap *fontmap, - gchar ***families, + PangoFontFamily ***families, int *n_families) { GSList *family_list = NULL; @@ -418,12 +354,12 @@ pango_x_font_map_list_families (PangoFontMap *fontmap, { int i = 0; - *families = g_new (gchar *, *n_families); + *families = g_new (PangoFontFamily *, *n_families); tmp_list = family_list; while (tmp_list) { - (*families)[i] = g_strdup (tmp_list->data); + (*families)[i] = tmp_list->data; i++; tmp_list = tmp_list->next; } @@ -432,21 +368,21 @@ pango_x_font_map_list_families (PangoFontMap *fontmap, g_slist_free (family_list); } -static PangoXFamilyEntry * -pango_x_get_family_entry (PangoXFontMap *xfontmap, - const char *family_name) +static PangoXFamily * +pango_x_get_font_family (PangoXFontMap *xfontmap, + const char *family_name) { - PangoXFamilyEntry *family_entry = g_hash_table_lookup (xfontmap->families, family_name); - if (!family_entry) + PangoXFamily *font_family = g_hash_table_lookup (xfontmap->families, family_name); + if (!font_family) { - family_entry = g_new (PangoXFamilyEntry, 1); - family_entry->family_name = g_strdup (family_name); - family_entry->font_entries = NULL; + font_family = g_object_new (PANGO_X_TYPE_FAMILY, NULL); + font_family->family_name = g_strdup (family_name); + font_family->font_entries = NULL; - g_hash_table_insert (xfontmap->families, family_entry->family_name, family_entry); + g_hash_table_insert (xfontmap->families, font_family->family_name, font_family); } - return family_entry; + return font_family; } static PangoFont * @@ -454,58 +390,38 @@ pango_x_font_map_load_font (PangoFontMap *fontmap, const PangoFontDescription *description) { PangoXFontMap *xfontmap = (PangoXFontMap *)fontmap; - PangoXFamilyEntry *family_entry; + PangoXFamily *font_family; PangoFont *result = NULL; GSList *tmp_list; gchar *name; + gint size; g_return_val_if_fail (description != NULL, NULL); - g_return_val_if_fail (description->size > 0, NULL); - - name = g_strdup (description->family_name); - g_strdown (name); - family_entry = g_hash_table_lookup (xfontmap->families, name); - if (family_entry) + name = g_ascii_strdown (pango_font_description_get_family (description)); + size = pango_font_description_get_size (description); + + if (size <= 0) + return NULL; + + font_family = g_hash_table_lookup (xfontmap->families, name); + if (font_family) { - PangoXFontEntry *best_match = NULL; - int best_distance = G_MAXINT; + PangoXFace *best_match = NULL; - tmp_list = family_entry->font_entries; + tmp_list = font_family->font_entries; while (tmp_list) { - PangoXFontEntry *font_entry = tmp_list->data; + PangoXFace *font_entry = tmp_list->data; + + if (pango_font_description_better_match (description, + best_match ? best_match->description : NULL, + font_entry->description)) + best_match = font_entry; - if (font_entry->description.variant == description->variant && - font_entry->description.stretch == description->stretch) - { - if (font_entry->description.style == description->style) - { - int distance = abs(font_entry->description.weight - description->weight); - if (distance < best_distance) - { - best_match = font_entry; - best_distance = distance; - } - } - else if (font_entry->description.style != PANGO_STYLE_NORMAL && - description->style != PANGO_STYLE_NORMAL) - { - /* Equate oblique and italic, but with a big penalty - */ - int distance = PANGO_SCALE * 1000 + abs(font_entry->description.weight - description->weight); - - if (distance < best_distance) - { - best_match = font_entry; - best_distance = distance; - } - } - } - tmp_list = tmp_list->next; } - + if (best_match) { GSList *tmp_list = best_match->cached_fonts; @@ -513,7 +429,7 @@ pango_x_font_map_load_font (PangoFontMap *fontmap, while (tmp_list) { PangoXFont *xfont = tmp_list->data; - if (xfont->size == description->size) + if (xfont->size == size) { result = (PangoFont *)xfont; @@ -528,10 +444,10 @@ pango_x_font_map_load_font (PangoFontMap *fontmap, if (!result) { - PangoXFont *xfont = pango_x_font_new (fontmap, best_match->xlfd, description->size); + PangoXFont *xfont = pango_x_font_new (fontmap, best_match->xlfd, size); xfont->fontmap = fontmap; - xfont->entry = best_match; + xfont->xface = best_match; best_match->cached_fonts = g_slist_prepend (best_match->cached_fonts, xfont); result = (PangoFont *)xfont; @@ -815,7 +731,7 @@ pango_x_font_map_read_alias_file (PangoXFontMap *xfontmap, char **xlfds; int lineno = 0; int i; - PangoXFontEntry *font_entry = NULL; + PangoXFace *xface = NULL; infile = fopen (filename, "r"); if (infile) @@ -826,7 +742,11 @@ pango_x_font_map_read_alias_file (PangoXFontMap *xfontmap, while ((lines_read = pango_read_line (infile, line_buf))) { - PangoXFamilyEntry *family_entry; + PangoXFamily *font_family; + PangoStyle style; + PangoVariant variant; + PangoWeight weight; + PangoStretch stretch; const char *p = line_buf->str; @@ -838,34 +758,40 @@ pango_x_font_map_read_alias_file (PangoXFontMap *xfontmap, if (!pango_scan_string (&p, tmp_buf)) goto error; - font_entry = g_new (PangoXFontEntry, 1); - font_entry->xlfd = NULL; - font_entry->description.family_name = g_strdup (tmp_buf->str); - g_strdown (font_entry->description.family_name); + xface = g_object_new (PANGO_X_TYPE_FACE, NULL); + xface->xlfd = NULL; + xface->description = pango_font_description_new (); + + g_string_ascii_down (tmp_buf); + pango_font_description_set_family (xface->description, tmp_buf->str); if (!pango_scan_string (&p, tmp_buf)) goto error; - if (!pango_parse_style (tmp_buf->str, &font_entry->description, TRUE)) + if (!pango_parse_style (tmp_buf->str, &style, TRUE)) goto error; + pango_font_description_set_style (xface->description, style); if (!pango_scan_string (&p, tmp_buf)) goto error; - if (!pango_parse_variant (tmp_buf->str, &font_entry->description, TRUE)) + if (!pango_parse_variant (tmp_buf->str, &variant, TRUE)) goto error; - + pango_font_description_set_variant (xface->description, variant); + if (!pango_scan_string (&p, tmp_buf)) goto error; - if (!pango_parse_weight (tmp_buf->str, &font_entry->description, TRUE)) + if (!pango_parse_weight (tmp_buf->str, &weight, TRUE)) goto error; + pango_font_description_set_weight (xface->description, weight); if (!pango_scan_string (&p, tmp_buf)) goto error; - if (!pango_parse_stretch (tmp_buf->str, &font_entry->description, TRUE)) + if (!pango_parse_stretch (tmp_buf->str, &stretch, TRUE)) goto error; + pango_font_description_set_stretch (xface->description, stretch); if (!pango_scan_string (&p, tmp_buf)) goto error; @@ -887,19 +813,20 @@ pango_x_font_map_read_alias_file (PangoXFontMap *xfontmap, } } - font_entry->xlfd = g_strjoinv (",", xlfds); + xface->xlfd = g_strjoinv (",", xlfds); g_strfreev (xlfds); /* Insert the font entry into our structures */ - family_entry = pango_x_get_family_entry (xfontmap, font_entry->description.family_name); - family_entry->font_entries = g_slist_prepend (family_entry->font_entries, font_entry); + font_family = pango_x_get_font_family (xfontmap, + pango_font_description_get_family (xface->description)); + font_family->font_entries = g_slist_prepend (font_family->font_entries, xface); xfontmap->n_fonts++; - g_free (font_entry->description.family_name); - font_entry->description.family_name = family_entry->family_name; - font_entry->cached_fonts = NULL; - font_entry->coverage = NULL; + /* Save space by consolidating duplicated string */ + pango_font_description_set_family_static (xface->description, font_family->family_name); + xface->cached_fonts = NULL; + xface->coverage = NULL; } if (ferror (infile)) @@ -908,13 +835,13 @@ pango_x_font_map_read_alias_file (PangoXFontMap *xfontmap, goto out; error: - if (font_entry) + if (xface) { - if (font_entry->xlfd) - g_free (font_entry->xlfd); - if (font_entry->description.family_name) - g_free (font_entry->description.family_name); - g_free (font_entry); + if (xface->xlfd) + g_free (xface->xlfd); + if (xface->description) + pango_font_description_free (xface->description); + g_free (xface); } g_warning ("Error parsing line %d of alias file '%s'", lineno, filename); @@ -1040,8 +967,8 @@ pango_x_get_identifier (const char *fontname) */ static char* pango_x_get_xlfd_field (const char *fontname, - FontField field_num, - char *buffer) + FontField field_num, + char *buffer) { const char *t1, *t2; int countdown, len, num_dashes; @@ -1087,22 +1014,25 @@ pango_x_get_xlfd_field (const char *fontname, is created and inserted in alphabetical order in the table. */ static void pango_x_insert_font (PangoXFontMap *xfontmap, - const char *fontname) + const char *fontname) { - PangoFontDescription description; + PangoFontDescription *description; + char *family_name; + PangoStyle style; + PangoVariant variant; + PangoWeight weight; + PangoStretch stretch; char family_buffer[XLFD_MAX_FIELD_LEN]; char weight_buffer[XLFD_MAX_FIELD_LEN]; char slant_buffer[XLFD_MAX_FIELD_LEN]; char set_width_buffer[XLFD_MAX_FIELD_LEN]; GSList *tmp_list; - PangoXFamilyEntry *family_entry; - PangoXFontEntry *font_entry; + PangoXFamily *font_family; + PangoXFace *xface; PangoXSizeInfo *size_info; char *identifier; int i; - description.size = 0; - /* First insert the XLFD into the list of XLFDs for the "identifier" - which * is the 2-4th fields of the XLFD */ @@ -1123,20 +1053,18 @@ pango_x_insert_font (PangoXFontMap *xfontmap, /* Convert the XLFD into a PangoFontDescription */ - description.family_name = pango_x_get_xlfd_field (fontname, XLFD_FAMILY, family_buffer); - g_strdown (description.family_name); - - if (!description.family_name) + family_name = pango_x_get_xlfd_field (fontname, XLFD_FAMILY, family_buffer); + if (!family_name) return; - - description.style = PANGO_STYLE_NORMAL; + + style = PANGO_STYLE_NORMAL; if (pango_x_get_xlfd_field (fontname, XLFD_SLANT, slant_buffer)) { for (i=0; i<G_N_ELEMENTS(styles_map); i++) { if (!strcmp (styles_map[i].text, slant_buffer)) { - description.style = styles_map[i].value; + style = styles_map[i].value; break; } } @@ -1144,16 +1072,16 @@ pango_x_insert_font (PangoXFontMap *xfontmap, else strcpy (slant_buffer, "*"); - description.variant = PANGO_VARIANT_NORMAL; + variant = PANGO_VARIANT_NORMAL; - description.weight = PANGO_WEIGHT_NORMAL; + weight = PANGO_WEIGHT_NORMAL; if (pango_x_get_xlfd_field (fontname, XLFD_WEIGHT, weight_buffer)) { for (i=0; i<G_N_ELEMENTS(weights_map); i++) { if (!strcmp (weights_map[i].text, weight_buffer)) { - description.weight = weights_map[i].value; + weight = weights_map[i].value; break; } } @@ -1161,14 +1089,14 @@ pango_x_insert_font (PangoXFontMap *xfontmap, else strcpy (weight_buffer, "*"); - description.stretch = PANGO_STRETCH_NORMAL; + stretch = PANGO_STRETCH_NORMAL; if (pango_x_get_xlfd_field (fontname, XLFD_SET_WIDTH, set_width_buffer)) { for (i=0; i<G_N_ELEMENTS(stretches_map); i++) { if (!strcmp (stretches_map[i].text, set_width_buffer)) { - description.stretch = stretches_map[i].value; + stretch = stretches_map[i].value; break; } } @@ -1176,29 +1104,35 @@ pango_x_insert_font (PangoXFontMap *xfontmap, else strcpy (set_width_buffer, "*"); - family_entry = pango_x_get_family_entry (xfontmap, description.family_name); + font_family = pango_x_get_font_family (xfontmap, family_name); - tmp_list = family_entry->font_entries; + tmp_list = font_family->font_entries; while (tmp_list) { - font_entry = tmp_list->data; + xface = tmp_list->data; - if (font_entry->description.style == description.style && - font_entry->description.variant == description.variant && - font_entry->description.weight == description.weight && - font_entry->description.stretch == description.stretch) + if (pango_font_description_get_style (xface->description) == style && + pango_font_description_get_weight (xface->description) == weight && + pango_font_description_get_stretch (xface->description) == stretch && + pango_font_description_get_variant (xface->description) == variant) return; tmp_list = tmp_list->next; } - font_entry = g_new (PangoXFontEntry, 1); - font_entry->description = description; - font_entry->description.family_name = family_entry->family_name; - font_entry->cached_fonts = NULL; - font_entry->coverage = NULL; + description = pango_font_description_new (); + pango_font_description_set_family_static (description, font_family->family_name); + pango_font_description_set_style (description, style); + pango_font_description_set_weight (description, weight); + pango_font_description_set_stretch (description, stretch); + pango_font_description_set_variant (description, variant); - font_entry->xlfd = g_strconcat ("-*-", + xface = g_object_new (PANGO_X_TYPE_FACE, NULL); + xface->description = description; + xface->cached_fonts = NULL; + xface->coverage = NULL; + + xface->xlfd = g_strconcat ("-*-", family_buffer, "-", weight_buffer, @@ -1209,7 +1143,7 @@ pango_x_insert_font (PangoXFontMap *xfontmap, "--*-*-*-*-*-*-*-*", NULL); - family_entry->font_entries = g_slist_append (family_entry->font_entries, font_entry); + font_family->font_entries = g_slist_append (font_family->font_entries, xface); xfontmap->n_fonts++; } @@ -1346,97 +1280,6 @@ free_coverages_foreach (gpointer key, pango_coverage_unref (value); } -PangoCoverage * -pango_x_font_entry_get_coverage (PangoXFontEntry *entry, - PangoFont *font, - PangoLanguage *language) -{ - PangoXFont *xfont; - PangoXFontMap *xfontmap = NULL; /* Quiet gcc */ - PangoCoverage *result = NULL; - GHashTable *coverage_hash; - Atom atom = None; - - if (entry) - { - if (entry->coverage) - { - pango_coverage_ref (entry->coverage); - return entry->coverage; - } - - xfont = (PangoXFont *)font; - - xfontmap = (PangoXFontMap *)pango_x_font_map_for_display (xfont->display); - if (entry->xlfd) - { - const char *lang_str = language ? pango_language_to_string (language) : "*"; - - char *str = g_strconcat (lang_str, "|", entry->xlfd, NULL); - result = pango_x_get_cached_coverage (xfontmap, str, &atom); - g_free (str); - } - } - - if (!result) - { - guint32 ch; - PangoMap *shape_map; - PangoCoverage *coverage; - PangoCoverageLevel font_level; - PangoMapEntry *map_entry; - - result = pango_coverage_new (); - - coverage_hash = g_hash_table_new (g_str_hash, g_str_equal); - - shape_map = pango_x_get_shaper_map (language); - - for (ch = 0; ch < 65536; ch++) - { - map_entry = pango_map_get_entry (shape_map, ch); - if (map_entry->info) - { - coverage = g_hash_table_lookup (coverage_hash, map_entry->info->id); - if (!coverage) - { - PangoEngineShape *engine = (PangoEngineShape *)pango_map_get_engine (shape_map, ch); - coverage = engine->get_coverage (font, language); - g_hash_table_insert (coverage_hash, map_entry->info->id, coverage); - } - - font_level = pango_coverage_get (coverage, ch); - if (font_level == PANGO_COVERAGE_EXACT && !map_entry->is_exact) - font_level = PANGO_COVERAGE_APPROXIMATE; - - if (font_level != PANGO_COVERAGE_NONE) - pango_coverage_set (result, ch, font_level); - } - } - - g_hash_table_foreach (coverage_hash, free_coverages_foreach, NULL); - g_hash_table_destroy (coverage_hash); - - if (atom) - pango_x_store_cached_coverage (xfontmap, atom, result); - } - - if (entry) - { - entry->coverage = result; - pango_coverage_ref (result); - } - - return result; -} - -void -pango_x_font_entry_remove (PangoXFontEntry *entry, - PangoFont *font) -{ - entry->cached_fonts = g_slist_remove (entry->cached_fonts, font); -} - PangoXFontCache * pango_x_font_map_get_font_cache (PangoFontMap *font_map) { @@ -1546,3 +1389,232 @@ pango_x_fontmap_name_from_atom (PangoFontMap *fontmap, return name2; } + +/* + * PangoXFace + */ + +static PangoFontDescription * +pango_x_face_describe (PangoFontFace *face) +{ + PangoXFace *xface = PANGO_X_FACE (face); + + return pango_font_description_copy (xface->description); +} + +static const char * +pango_x_face_get_face_name (PangoFontFace *face) +{ + PangoXFace *xface = PANGO_X_FACE (face); + + if (!xface->face_name) + { + PangoFontDescription *desc = pango_font_face_describe (face); + + pango_font_description_unset_fields (desc, + PANGO_FONT_MASK_FAMILY | PANGO_FONT_MASK_SIZE); + + xface->face_name = pango_font_description_to_string (desc); + pango_font_description_free (desc); + } + + return xface->face_name; +} + +static void +pango_x_face_class_init (PangoFontFaceClass *class) +{ + class->describe = pango_x_face_describe; + class->get_face_name = pango_x_face_get_face_name; +} + +GType +pango_x_face_get_type (void) +{ + static GType object_type = 0; + + if (!object_type) + { + static const GTypeInfo object_info = + { + sizeof (PangoFontFaceClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) pango_x_face_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (PangoXFace), + 0, /* n_preallocs */ + (GInstanceInitFunc) NULL, + }; + + object_type = g_type_register_static (PANGO_TYPE_FONT_FACE, + "PangoXFace", + &object_info, 0); + } + + return object_type; +} + +PangoCoverage * +pango_x_face_get_coverage (PangoXFace *xface, + PangoFont *font, + PangoLanguage *language) +{ + PangoXFont *xfont; + PangoXFontMap *xfontmap = NULL; /* Quiet gcc */ + PangoCoverage *result = NULL; + GHashTable *coverage_hash; + Atom atom = None; + + if (xface) + { + if (xface->coverage) + { + pango_coverage_ref (xface->coverage); + return xface->coverage; + } + + xfont = (PangoXFont *)font; + + xfontmap = (PangoXFontMap *)pango_x_font_map_for_display (xfont->display); + if (xface->xlfd) + { + const char *lang_str = language ? pango_language_to_string (language) : "*"; + + char *str = g_strconcat (lang_str, "|", xface->xlfd, NULL); + result = pango_x_get_cached_coverage (xfontmap, str, &atom); + g_free (str); + } + } + + if (!result) + { + guint32 ch; + PangoMap *shape_map; + PangoCoverage *coverage; + PangoCoverageLevel font_level; + PangoMapEntry *map_entry; + + result = pango_coverage_new (); + + coverage_hash = g_hash_table_new (g_str_hash, g_str_equal); + + shape_map = pango_x_get_shaper_map (language); + + for (ch = 0; ch < 65536; ch++) + { + map_entry = pango_map_get_entry (shape_map, ch); + if (map_entry->info) + { + coverage = g_hash_table_lookup (coverage_hash, map_entry->info->id); + if (!coverage) + { + PangoEngineShape *engine = (PangoEngineShape *)pango_map_get_engine (shape_map, ch); + coverage = engine->get_coverage (font, language); + g_hash_table_insert (coverage_hash, map_entry->info->id, coverage); + } + + font_level = pango_coverage_get (coverage, ch); + if (font_level == PANGO_COVERAGE_EXACT && !map_entry->is_exact) + font_level = PANGO_COVERAGE_APPROXIMATE; + + if (font_level != PANGO_COVERAGE_NONE) + pango_coverage_set (result, ch, font_level); + } + } + + g_hash_table_foreach (coverage_hash, free_coverages_foreach, NULL); + g_hash_table_destroy (coverage_hash); + + if (atom) + pango_x_store_cached_coverage (xfontmap, atom, result); + } + + if (xface) + { + xface->coverage = result; + pango_coverage_ref (result); + } + + return result; +} + +void +pango_x_face_remove (PangoXFace *xface, + PangoFont *font) +{ + xface->cached_fonts = g_slist_remove (xface->cached_fonts, font); +} + +/* + * PangoXFontFamily + */ + +static void +pango_x_family_list_faces (PangoFontFamily *family, + PangoFontFace ***faces, + int *n_faces) +{ + PangoXFamily *xfamily = PANGO_X_FAMILY (family); + + *n_faces = g_slist_length (xfamily->font_entries); + if (faces) + { + GSList *tmp_list; + int i = 0; + + *faces = g_new (PangoFontFace *, *n_faces); + + tmp_list = xfamily->font_entries; + while (tmp_list) + { + (*faces)[i++] = tmp_list->data; + tmp_list = tmp_list->next; + } + } +} + +const char * +pango_x_family_get_name (PangoFontFamily *family) +{ + PangoXFamily *xfamily = PANGO_X_FAMILY (family); + + return xfamily->family_name; +} + +static void +pango_x_family_class_init (PangoFontFamilyClass *class) +{ + class->list_faces = pango_x_family_list_faces; + class->get_name = pango_x_family_get_name; +} + +GType +pango_x_family_get_type (void) +{ + static GType object_type = 0; + + if (!object_type) + { + static const GTypeInfo object_info = + { + sizeof (PangoFontFamilyClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) pango_x_family_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (PangoXFamily), + 0, /* n_preallocs */ + (GInstanceInitFunc) NULL, + }; + + object_type = g_type_register_static (PANGO_TYPE_FONT_FAMILY, + "PangoXFamily", + &object_info, 0); + } + + return object_type; +} + |