diff options
Diffstat (limited to 'e-util/e-font.c')
| -rw-r--r-- | e-util/e-font.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/e-util/e-font.c b/e-util/e-font.c index 35b9d4db72..6f46b07f03 100644 --- a/e-util/e-font.c +++ b/e-util/e-font.c @@ -11,6 +11,8 @@ * */ +#include <string.h> +#include <gdk/gdkx.h> #include <unicode.h> #include "e-font.h" @@ -127,6 +129,139 @@ e_font_utf8_char_width (EFont *font, EFontStyle style, char *text) return gdk_text_width (&font->font, &iso, 1); } +static const gchar * +translate_encoding (const gchar *encoding) +{ + static GHashTable *eh = NULL; + gchar e[64]; + + if (!eh) { + eh = g_hash_table_new (g_str_hash, g_str_equal); + + g_hash_table_insert (eh, "iso8859-1", "iso-8859-1"); + g_hash_table_insert (eh, "iso8859-2", "iso-8859-2"); + g_hash_table_insert (eh, "iso8859-3", "iso-8859-3"); + g_hash_table_insert (eh, "iso8859-4", "iso-8859-4"); + g_hash_table_insert (eh, "iso8859-5", "iso-8859-5"); + g_hash_table_insert (eh, "iso10646-1", "UCS2"); + } + + strncpy (e, encoding, 64); + g_strdown (e); + + return g_hash_table_lookup (eh, e); +} + +const gchar * +e_gdk_font_encoding (GdkFont *font) +{ + Atom font_atom, atom; + Bool status; + char *name, *p; + const gchar *encoding; + + if (!font) return NULL; + + font_atom = gdk_atom_intern ("FONT", FALSE); + + if (font->type == GDK_FONT_FONTSET) { + XFontStruct **font_structs; + gint num_fonts; + gchar **font_names; + + num_fonts = XFontsOfFontSet (GDK_FONT_XFONT (font), + &font_structs, + &font_names); + status = XGetFontProperty (font_structs[0], + font_atom, + &atom); + } else { + status = XGetFontProperty (GDK_FONT_XFONT (font), + font_atom, + &atom); + } + + if (!status) return NULL; + + name = gdk_atom_name (atom); + p = strchr (name, '-'); /* Foundry */ + p = strchr (p + 1, '-'); /* Family */ + p = strchr (p + 1, '-'); /* Weight */ + p = strchr (p + 1, '-'); /* Slant */ + p = strchr (p + 1, '-'); /* Set Width */ + p = strchr (p + 1, '-'); /* Add Style */ + p = strchr (p + 1, '-'); /* Pixel Size */ + p = strchr (p + 1, '-'); /* Point Size */ + p = strchr (p + 1, '-'); /* Resolution X */ + p = strchr (p + 1, '-'); /* Resolution Y */ + p = strchr (p + 1, '-'); /* Spacing */ + p = strchr (p + 1, '-'); /* Average Width */ + p = strchr (p + 1, '-'); /* Charset */ + + encoding = translate_encoding (p + 1); + + g_free (name); + + return encoding; +} + +unicode_iconv_t +e_uiconv_from_gdk_font (GdkFont *font) +{ + static GHashTable *uh = NULL; + const gchar *enc; + unicode_iconv_t uiconv; + + if (!font) return (unicode_iconv_t) -1; + + enc = e_gdk_font_encoding (font); + + if (!enc) return (unicode_iconv_t) -1; + + if (!uh) { + uh = g_hash_table_new (g_str_hash, g_str_equal); + } + + uiconv = g_hash_table_lookup (uh, enc); + + if (!uiconv) { + uiconv = unicode_iconv_open ("UTF-8", enc); + if (uiconv == (unicode_iconv_t) -1) return uiconv; + g_hash_table_insert (uh, (gpointer) enc, uiconv); + } + + return uiconv; +} + +unicode_iconv_t +e_uiconv_to_gdk_font (GdkFont *font) +{ + static GHashTable *uh = NULL; + const gchar *enc; + unicode_iconv_t uiconv; + + if (!font) return (unicode_iconv_t) -1; + + enc = e_gdk_font_encoding (font); + + if (!enc) return (unicode_iconv_t) -1; + + if (!uh) { + uh = g_hash_table_new (g_str_hash, g_str_equal); + } + + uiconv = g_hash_table_lookup (uh, enc); + + if (!uiconv) { + uiconv = unicode_iconv_open (enc, "UTF-8"); + if (uiconv == (unicode_iconv_t) -1) return uiconv; + g_hash_table_insert (uh, (gpointer) enc, uiconv); + } + + return uiconv; +} + + |