add debug log

This commit is contained in:
artemp 2017-05-04 10:50:49 +02:00
parent 85aebf7268
commit d84991bae3

View file

@ -79,7 +79,7 @@ static hb_language_t script_to_language(hb_script_t script)
case HB_SCRIPT_GUJARATI: return hb_language_from_string("gu", -1); break;
case HB_SCRIPT_GURMUKHI: return hb_language_from_string("pa", -1); break;
case HB_SCRIPT_HANGUL: return hb_language_from_string("ko", -1); break;
case HB_SCRIPT_HAN: return hb_language_from_string("zh-Hans", -1); break;
case HB_SCRIPT_HAN: return hb_language_from_string("zh-hans", -1); break;
case HB_SCRIPT_HEBREW: return hb_language_from_string("he", -1); break;
case HB_SCRIPT_HIRAGANA: return hb_language_from_string("ja", -1); break;
case HB_SCRIPT_KANNADA: return hb_language_from_string("kn", -1); break;
@ -183,6 +183,10 @@ static void shape_text(text_line & line,
hb_font_t *font(hb_ft_font_create(face->get_face(), nullptr));
auto script = detail::_icu_script_to_script(text_item.script);
auto language = detail::script_to_language(script);
MAPNIK_LOG_DEBUG(harfbuzz_shaper) << "RUN:[" << text_item.start << "," << text_item.end << "]"
<< " LANGUAGE:" << hb_language_to_string(language)
<< " SCRIPT:" << script << "(" << text_item.script << ") " << uscript_getShortName(text_item.script)
<< " FONT:" << face->family_name();
if (language != HB_LANGUAGE_INVALID)
{
hb_buffer_set_language(buffer.get(), language); // set most common language for the run based script