diff options
Diffstat (limited to 'modules/text_server_adv/text_server_adv.cpp')
| -rw-r--r-- | modules/text_server_adv/text_server_adv.cpp | 271 |
1 files changed, 255 insertions, 16 deletions
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp index cf2d8c9986..cf77d0ed7f 100644 --- a/modules/text_server_adv/text_server_adv.cpp +++ b/modules/text_server_adv/text_server_adv.cpp @@ -34,6 +34,7 @@ // Headers for building as GDExtension plug-in. #include <godot_cpp/classes/file_access.hpp> +#include <godot_cpp/classes/os.hpp> #include <godot_cpp/classes/project_settings.hpp> #include <godot_cpp/classes/rendering_server.hpp> #include <godot_cpp/classes/translation_server.hpp> @@ -1437,11 +1438,13 @@ _FORCE_INLINE_ bool TextServerAdvanced::_ensure_cache_for_size(FontAdvanced *p_f if (fd->face->style_name != nullptr) { p_font_data->style_name = String::utf8((const char *)fd->face->style_name); } + p_font_data->weight = _font_get_weight_by_name(p_font_data->style_name.to_lower()); + p_font_data->stretch = _font_get_stretch_by_name(p_font_data->style_name.to_lower()); p_font_data->style_flags = 0; - if (fd->face->style_flags & FT_STYLE_FLAG_BOLD) { + if ((fd->face->style_flags & FT_STYLE_FLAG_BOLD) || p_font_data->weight >= 700) { p_font_data->style_flags.set_flag(FONT_BOLD); } - if (fd->face->style_flags & FT_STYLE_FLAG_ITALIC) { + if ((fd->face->style_flags & FT_STYLE_FLAG_ITALIC) || _is_ital_style(p_font_data->style_name.to_lower())) { p_font_data->style_flags.set_flag(FONT_ITALIC); } if (fd->face->face_flags & FT_FACE_FLAG_FIXED_WIDTH) { @@ -1967,6 +1970,46 @@ String TextServerAdvanced::_font_get_style_name(const RID &p_font_rid) const { return fd->style_name; } +void TextServerAdvanced::_font_set_weight(const RID &p_font_rid, int64_t p_weight) { + FontAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND(!fd); + + MutexLock lock(fd->mutex); + Vector2i size = _get_size(fd, 16); + ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); + fd->weight = CLAMP(p_weight, 100, 999); +} + +int64_t TextServerAdvanced::_font_get_weight(const RID &p_font_rid) const { + FontAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND_V(!fd, 400); + + MutexLock lock(fd->mutex); + Vector2i size = _get_size(fd, 16); + ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 400); + return fd->weight; +} + +void TextServerAdvanced::_font_set_stretch(const RID &p_font_rid, int64_t p_stretch) { + FontAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND(!fd); + + MutexLock lock(fd->mutex); + Vector2i size = _get_size(fd, 16); + ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); + fd->stretch = CLAMP(p_stretch, 50, 200); +} + +int64_t TextServerAdvanced::_font_get_stretch(const RID &p_font_rid) const { + FontAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND_V(!fd, 100); + + MutexLock lock(fd->mutex); + Vector2i size = _get_size(fd, 16); + ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 100); + return fd->stretch; +} + void TextServerAdvanced::_font_set_name(const RID &p_font_rid, const String &p_name) { FontAdvanced *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); @@ -2103,6 +2146,22 @@ int64_t TextServerAdvanced::_font_get_fixed_size(const RID &p_font_rid) const { return fd->fixed_size; } +void TextServerAdvanced::_font_set_allow_system_fallback(const RID &p_font_rid, bool p_allow_system_fallback) { + FontAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND(!fd); + + MutexLock lock(fd->mutex); + fd->allow_system_fallback = p_allow_system_fallback; +} + +bool TextServerAdvanced::_font_is_allow_system_fallback(const RID &p_font_rid) const { + FontAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND_V(!fd, false); + + MutexLock lock(fd->mutex); + return fd->allow_system_fallback; +} + void TextServerAdvanced::_font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) { FontAdvanced *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); @@ -4632,12 +4691,11 @@ bool TextServerAdvanced::_shaped_text_update_breaks(const RID &p_shaped) { sd->breaks[pos] = true; } else if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_SOFT) && (ubrk_getRuleStatus(bi) < UBRK_LINE_SOFT_LIMIT)) { sd->breaks[pos] = false; - - int pos_p = pos - 1 - sd->start; - char32_t c = sd->text[pos_p]; - if (pos - sd->start != sd->end && !is_whitespace(c) && (c != 0xfffc)) { - sd->break_inserts++; - } + } + int pos_p = pos - 1 - sd->start; + char32_t c = sd->text[pos_p]; + if (pos - sd->start != sd->end && !is_whitespace(c) && (c != 0xfffc)) { + sd->break_inserts++; } } } @@ -5066,10 +5124,177 @@ _FORCE_INLINE_ void TextServerAdvanced::_add_featuers(const Dictionary &p_source } } -void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_start, int64_t p_end, hb_script_t p_script, hb_direction_t p_direction, TypedArray<RID> p_fonts, int64_t p_span, int64_t p_fb_index) { +void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_start, int64_t p_end, hb_script_t p_script, hb_direction_t p_direction, TypedArray<RID> p_fonts, int64_t p_span, int64_t p_fb_index, int64_t p_prev_start, int64_t p_prev_end) { + RID f; int fs = p_sd->spans[p_span].font_size; - if (p_fb_index >= p_fonts.size()) { - // Add fallback glyphs. + + if (p_fb_index >= 0 && p_fb_index < p_fonts.size()) { + // Try font from list. + f = p_fonts[p_fb_index]; + } else if (OS::get_singleton()->has_feature("system_fonts") && p_fonts.size() > 0 && ((p_fb_index == p_fonts.size()) || (p_fb_index > p_fonts.size() && p_start != p_prev_start))) { + // Try system fallback. + RID fdef = p_fonts[0]; + if (_font_is_allow_system_fallback(fdef)) { + String text = p_sd->text.substr(p_start, 1); + String font_name = _font_get_name(fdef); + BitField<FontStyle> font_style = _font_get_style(fdef); + int font_weight = _font_get_weight(fdef); + int font_stretch = _font_get_stretch(fdef); + Dictionary dvar = _font_get_variation_coordinates(fdef); + static int64_t wgth_tag = _name_to_tag("weight"); + static int64_t wdth_tag = _name_to_tag("width"); + static int64_t ital_tag = _name_to_tag("italic"); + if (dvar.has(wgth_tag)) { + font_weight = dvar[wgth_tag].operator int(); + } + if (dvar.has(wdth_tag)) { + font_stretch = dvar[wdth_tag].operator int(); + } + if (dvar.has(ital_tag) && dvar[ital_tag].operator int() == 1) { + font_style.set_flag(TextServer::FONT_ITALIC); + } + + char scr_buffer[5] = { 0, 0, 0, 0, 0 }; + hb_tag_to_string(hb_script_to_iso15924_tag(p_script), scr_buffer); + String script_code = String(scr_buffer); + String locale = (p_sd->spans[p_span].language.is_empty()) ? TranslationServer::get_singleton()->get_tool_locale() : p_sd->spans[p_span].language; + + PackedStringArray fallback_font_name = OS::get_singleton()->get_system_font_path_for_text(font_name, text, locale, script_code, font_weight, font_stretch, font_style & TextServer::FONT_ITALIC); +#ifdef GDEXTENSION + for (int fb = 0; fb < fallback_font_name.size(); fb++) { + const String &E = fallback_font_name[fb]; +#else + for (const String &E : fallback_font_name) { +#endif + SystemFontKey key = SystemFontKey(E, font_style & TextServer::FONT_ITALIC, font_weight, font_stretch, fdef, this); + if (system_fonts.has(key)) { + const SystemFontCache &sysf_cache = system_fonts[key]; + int best_score = 0; + int best_match = -1; + for (int face_idx = 0; face_idx < sysf_cache.var.size(); face_idx++) { + const SystemFontCacheRec &F = sysf_cache.var[face_idx]; + if (unlikely(!_font_has_char(F.rid, text[0]))) { + continue; + } + BitField<FontStyle> style = _font_get_style(F.rid); + int weight = _font_get_weight(F.rid); + int stretch = _font_get_stretch(F.rid); + int score = (20 - Math::abs(weight - font_weight) / 50); + score += (20 - Math::abs(stretch - font_stretch) / 10); + if (bool(style & TextServer::FONT_ITALIC) == bool(font_style & TextServer::FONT_ITALIC)) { + score += 30; + } + if (score >= best_score) { + best_score = score; + best_match = face_idx; + } + if (best_score == 70) { + break; + } + } + if (best_match != -1) { + f = sysf_cache.var[best_match].rid; + } + } + if (!f.is_valid()) { + if (system_fonts.has(key)) { + const SystemFontCache &sysf_cache = system_fonts[key]; + if (sysf_cache.max_var == sysf_cache.var.size()) { + // All subfonts already tested, skip. + continue; + } + } + + if (!system_font_data.has(E)) { + system_font_data[E] = FileAccess::get_file_as_bytes(E); + } + + const PackedByteArray &font_data = system_font_data[E]; + + SystemFontCacheRec sysf; + sysf.rid = _create_font(); + _font_set_data_ptr(sysf.rid, font_data.ptr(), font_data.size()); + + Dictionary var = dvar; + // Select matching style from collection. + int best_score = 0; + int best_match = -1; + for (int face_idx = 0; face_idx < _font_get_face_count(sysf.rid); face_idx++) { + _font_set_face_index(sysf.rid, face_idx); + if (unlikely(!_font_has_char(sysf.rid, text[0]))) { + continue; + } + BitField<FontStyle> style = _font_get_style(sysf.rid); + int weight = _font_get_weight(sysf.rid); + int stretch = _font_get_stretch(sysf.rid); + int score = (20 - Math::abs(weight - font_weight) / 50); + score += (20 - Math::abs(stretch - font_stretch) / 10); + if (bool(style & TextServer::FONT_ITALIC) == bool(font_style & TextServer::FONT_ITALIC)) { + score += 30; + } + if (score >= best_score) { + best_score = score; + best_match = face_idx; + } + if (best_score == 70) { + break; + } + } + if (best_match == -1) { + _free_rid(sysf.rid); + continue; + } else { + _font_set_face_index(sysf.rid, best_match); + } + sysf.index = best_match; + + // If it's a variable font, apply weight, stretch and italic coordinates to match requested style. + if (best_score != 70) { + Dictionary ftr = _font_supported_variation_list(sysf.rid); + if (ftr.has(wdth_tag)) { + var[wdth_tag] = font_stretch; + _font_set_stretch(sysf.rid, font_stretch); + } + if (ftr.has(wgth_tag)) { + var[wgth_tag] = font_weight; + _font_set_weight(sysf.rid, font_weight); + } + if ((font_style & TextServer::FONT_ITALIC) && ftr.has(ital_tag)) { + var[ital_tag] = 1; + _font_set_style(sysf.rid, _font_get_style(sysf.rid) | TextServer::FONT_ITALIC); + } + } + + _font_set_antialiasing(sysf.rid, key.antialiasing); + _font_set_generate_mipmaps(sysf.rid, key.mipmaps); + _font_set_multichannel_signed_distance_field(sysf.rid, key.msdf); + _font_set_msdf_pixel_range(sysf.rid, key.msdf_range); + _font_set_msdf_size(sysf.rid, key.msdf_source_size); + _font_set_fixed_size(sysf.rid, key.fixed_size); + _font_set_force_autohinter(sysf.rid, key.force_autohinter); + _font_set_hinting(sysf.rid, key.hinting); + _font_set_subpixel_positioning(sysf.rid, key.subpixel_positioning); + _font_set_variation_coordinates(sysf.rid, var); + _font_set_oversampling(sysf.rid, key.oversampling); + _font_set_embolden(sysf.rid, key.embolden); + _font_set_transform(sysf.rid, key.transform); + + if (system_fonts.has(key)) { + system_fonts[key].var.push_back(sysf); + } else { + SystemFontCache &sysf_cache = system_fonts[key]; + sysf_cache.max_var = _font_get_face_count(sysf.rid); + sysf_cache.var.push_back(sysf); + } + f = sysf.rid; + } + break; + } + } + } + + if (!f.is_valid()) { + // No valid font, use fallback hex code boxes. for (int i = p_start; i < p_end; i++) { if (p_sd->preserve_invalid || (p_sd->preserve_control && is_control(p_sd->text[i]))) { Glyph gl; @@ -5100,7 +5325,6 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_star return; } - RID f = p_fonts[p_fb_index]; FontAdvanced *fd = font_owner.get_or_null(f); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); @@ -5195,7 +5419,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_star gl.end = end; gl.count = 0; - gl.font_rid = p_fonts[p_fb_index]; + gl.font_rid = f; gl.font_size = fs; if (glyph_info[i].mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK) { @@ -5262,7 +5486,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_star for (unsigned int i = 0; i < glyph_count; i++) { if ((w[i].flags & GRAPHEME_IS_VALID) == GRAPHEME_IS_VALID) { if (failed_subrun_start != p_end + 1) { - _shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1); + _shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1, p_start, p_end); failed_subrun_start = p_end + 1; failed_subrun_end = p_start; } @@ -5292,7 +5516,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_star } memfree(w); if (failed_subrun_start != p_end + 1) { - _shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1); + _shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1, p_start, p_end); } p_sd->ascent = MAX(p_sd->ascent, _font_get_ascent(f, fs)); p_sd->descent = MAX(p_sd->descent, _font_get_descent(f, fs)); @@ -5464,7 +5688,7 @@ bool TextServerAdvanced::_shaped_text_shape(const RID &p_shaped) { } fonts.append_array(fonts_scr_only); fonts.append_array(fonts_no_match); - _shape_run(sd, MAX(sd->spans[k].start - sd->start, script_run_start), MIN(sd->spans[k].end - sd->start, script_run_end), sd->script_iter->script_ranges[j].script, bidi_run_direction, fonts, k, 0); + _shape_run(sd, MAX(sd->spans[k].start - sd->start, script_run_start), MIN(sd->spans[k].end - sd->start, script_run_end), sd->script_iter->script_ranges[j].script, bidi_run_direction, fonts, k, 0, 0, 0); } } } @@ -5961,7 +6185,11 @@ String TextServerAdvanced::_strip_diacritics(const String &p_string) const { String result; for (int i = 0; i < normalized_string.length(); i++) { if (u_getCombiningClass(normalized_string[i]) == 0) { +#ifdef GDEXTENSION + result = result + String::chr(normalized_string[i]); +#else result = result + normalized_string[i]; +#endif } } return result; @@ -6243,6 +6471,17 @@ TextServerAdvanced::TextServerAdvanced() { _bmp_create_font_funcs(); } +void TextServerAdvanced::_cleanup() { + for (const KeyValue<SystemFontKey, SystemFontCache> &E : system_fonts) { + const Vector<SystemFontCacheRec> &sysf_cache = E.value.var; + for (const SystemFontCacheRec &F : sysf_cache) { + _free_rid(F.rid); + } + } + system_fonts.clear(); + system_font_data.clear(); +} + TextServerAdvanced::~TextServerAdvanced() { _bmp_free_font_funcs(); #ifdef MODULE_FREETYPE_ENABLED |