diff options
Diffstat (limited to 'pango')
| -rw-r--r-- | pango/pangowin32-fontmap.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/pango/pangowin32-fontmap.c b/pango/pangowin32-fontmap.c index 4622a8aa..ec5b482f 100644 --- a/pango/pangowin32-fontmap.c +++ b/pango/pangowin32-fontmap.c @@ -76,6 +76,10 @@ static void pango_win32_font_map_finalize (GObject static PangoFont *pango_win32_font_map_load_font (PangoFontMap *fontmap, PangoContext *context, const PangoFontDescription *description); +static PangoFontset *pango_win32_font_map_load_fontset (PangoFontMap *fontmap, + PangoContext *context, + const PangoFontDescription *desc, + PangoLanguage *language); static void pango_win32_font_map_list_families (PangoFontMap *fontmap, PangoFontFamily ***families, int *n_families); @@ -665,6 +669,42 @@ _pango_win32_font_map_init (PangoWin32FontMap *win32fontmap) } static void +pango_win32_font_map_fontset_add_fonts (PangoFontMap *fontmap, + PangoContext *context, + PangoFontsetSimple *fonts, + PangoFontDescription *desc, + const char *family) +{ + /* Mostly use the "old" pango_font_map_fontset_add_fonts() */ + /* on Windows so that we can go through the .aliases file */ + /* to load the appropriate fontset for various texts */ + PangoFont *font, *result; + char **aliases; + int n_aliases; + int j; + + lookup_aliases (family, &aliases, &n_aliases); + + if (n_aliases) + { + for (j = 0; j < n_aliases; j++) + { + pango_font_description_set_family_static (desc, aliases[j]); + font = pango_win32_font_map_load_font (fontmap, context, desc); + if (font) + pango_fontset_simple_append (fonts, font); + } + } + else + { + pango_font_description_set_family_static (desc, family); + font = pango_win32_font_map_load_font (fontmap, context, desc); + if (font) + pango_fontset_simple_append (fonts, font); + } +} + +static void _pango_win32_font_map_class_init (PangoWin32FontMapClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); @@ -674,6 +714,8 @@ _pango_win32_font_map_class_init (PangoWin32FontMapClass *class) class->find_font = pango_win32_font_map_real_find_font; object_class->finalize = pango_win32_font_map_finalize; fontmap_class->load_font = pango_win32_font_map_load_font; + /* we now need a load_fontset implementation for the Win32 backend */ + fontmap_class->load_fontset = pango_win32_font_map_load_fontset; fontmap_class->list_families = pango_win32_font_map_list_families; fontmap_class->shape_engine_type = PANGO_RENDER_TYPE_WIN32; @@ -1684,3 +1726,118 @@ pango_win32_fontmap_cache_clear (PangoWin32FontMap *win32fontmap) g_queue_free (win32fontmap->freed_fonts); win32fontmap->freed_fonts = g_queue_new (); } + +static PangoFontset * +pango_win32_font_map_load_fontset (PangoFontMap *fontmap, + PangoContext *context, + const PangoFontDescription *desc, + PangoLanguage *language) +{ + /* This "adds" a load_fontset() for the Win32 backend */ + /* which is needed to make sure we use an appropriate */ + /* font for various texts when we are on Windows */ + /* (Copied directly from pango-fontmap.c) */ + PangoFontDescription *tmp_desc = pango_font_description_copy_static (desc); + const char *family; + char **families; + int i; + PangoFontsetSimple *fonts; + static GHashTable *warned_fonts = NULL; /* MT-safe */ + G_LOCK_DEFINE_STATIC (warned_fonts); + + g_return_val_if_fail (fontmap != NULL, NULL); + + family = pango_font_description_get_family (desc); + families = g_strsplit (family ? family : "", ",", -1); + + fonts = pango_fontset_simple_new (language); + + for (i = 0; families[i]; i++) + pango_win32_font_map_fontset_add_fonts (fontmap, + context, + fonts, + tmp_desc, + families[i]); + + g_strfreev (families); + + /* The font description was completely unloadable, try with + * family == "Sans" + */ + if (pango_fontset_simple_size (fonts) == 0) + { + char *ctmp1, *ctmp2; + + pango_font_description_set_family_static (tmp_desc, + pango_font_description_get_family (desc)); + + ctmp1 = pango_font_description_to_string (desc); + pango_font_description_set_family_static (tmp_desc, "Sans"); + + G_LOCK (warned_fonts); + if (!warned_fonts || !g_hash_table_lookup (warned_fonts, ctmp1)) + { + if (!warned_fonts) + warned_fonts = g_hash_table_new (g_str_hash, g_str_equal); + + g_hash_table_insert (warned_fonts, g_strdup (ctmp1), GINT_TO_POINTER (1)); + + ctmp2 = pango_font_description_to_string (tmp_desc); + g_warning ("couldn't load font \"%s\", falling back to \"%s\", " + "expect ugly output.", ctmp1, ctmp2); + g_free (ctmp2); + } + G_UNLOCK (warned_fonts); + g_free (ctmp1); + + pango_win32_font_map_fontset_add_fonts (fontmap, + context, + fonts, + tmp_desc, + "Sans"); + } + + /* We couldn't try with Sans and the specified style. Try Sans Normal + */ + if (pango_fontset_simple_size (fonts) == 0) + { + char *ctmp1, *ctmp2; + + pango_font_description_set_family_static (tmp_desc, "Sans"); + ctmp1 = pango_font_description_to_string (tmp_desc); + pango_font_description_set_style (tmp_desc, PANGO_STYLE_NORMAL); + pango_font_description_set_weight (tmp_desc, PANGO_WEIGHT_NORMAL); + pango_font_description_set_variant (tmp_desc, PANGO_VARIANT_NORMAL); + pango_font_description_set_stretch (tmp_desc, PANGO_STRETCH_NORMAL); + + G_LOCK (warned_fonts); + if (!warned_fonts || !g_hash_table_lookup (warned_fonts, ctmp1)) + { + g_hash_table_insert (warned_fonts, g_strdup (ctmp1), GINT_TO_POINTER (1)); + + ctmp2 = pango_font_description_to_string (tmp_desc); + + g_warning ("couldn't load font \"%s\", falling back to \"%s\", " + "expect ugly output.", ctmp1, ctmp2); + g_free (ctmp2); + } + G_UNLOCK (warned_fonts); + g_free (ctmp1); + + pango_win32_font_map_fontset_add_fonts (fontmap, + context, + fonts, + tmp_desc, + "Sans"); + } + + pango_font_description_free (tmp_desc); + + /* Everything failed, we are screwed, there is no way to continue, + * but lets just not crash here. + */ + if (pango_fontset_simple_size (fonts) == 0) + g_warning ("All font fallbacks failed!!!!"); + + return PANGO_FONTSET (fonts); +} |