diff options
Diffstat (limited to 'modules/text_server_adv')
-rw-r--r-- | modules/text_server_adv/text_server_adv.cpp | 357 | ||||
-rw-r--r-- | modules/text_server_adv/text_server_adv.h | 9 |
2 files changed, 272 insertions, 94 deletions
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp index f1945f62cb..e0ee809331 100644 --- a/modules/text_server_adv/text_server_adv.cpp +++ b/modules/text_server_adv/text_server_adv.cpp @@ -322,7 +322,7 @@ _FORCE_INLINE_ bool is_underscore(char32_t p_char) { /*************************************************************************/ String TextServerAdvanced::interface_name = "ICU / HarfBuzz / Graphite"; -uint32_t TextServerAdvanced::interface_features = FEATURE_BIDI_LAYOUT | FEATURE_VERTICAL_LAYOUT | FEATURE_SHAPING | FEATURE_KASHIDA_JUSTIFICATION | FEATURE_BREAK_ITERATORS | FEATURE_USE_SUPPORT_DATA | FEATURE_FONT_VARIABLE; +uint32_t TextServerAdvanced::interface_features = FEATURE_BIDI_LAYOUT | FEATURE_VERTICAL_LAYOUT | FEATURE_SHAPING | FEATURE_KASHIDA_JUSTIFICATION | FEATURE_BREAK_ITERATORS | FEATURE_USE_SUPPORT_DATA | FEATURE_FONT_VARIABLE | FEATURE_CONTEXT_SENSITIVE_CASE_CONVERSION; bool TextServerAdvanced::has_feature(Feature p_feature) const { return (interface_features & p_feature) == p_feature; @@ -2573,7 +2573,7 @@ int32_t TextServerAdvanced::font_get_glyph_index(RID p_font_rid, int p_size, cha return FT_Get_Char_Index(fd->cache[size]->face, p_char); } } else { - return 0; + return (int32_t)p_char; } #else return (int32_t)p_char; @@ -2841,6 +2841,24 @@ Vector<String> TextServerAdvanced::font_get_script_support_overrides(RID p_font_ return out; } +void TextServerAdvanced::font_set_opentype_feature_overrides(RID p_font_rid, const Dictionary &p_overrides) { + FontDataAdvanced *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->feature_overrides = p_overrides; +} + +Dictionary TextServerAdvanced::font_get_opentype_feature_overrides(RID p_font_rid) const { + FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid); + ERR_FAIL_COND_V(!fd, Dictionary()); + + MutexLock lock(fd->mutex); + return fd->feature_overrides; +} + Dictionary TextServerAdvanced::font_supported_feature_list(RID p_font_rid) const { FontDataAdvanced *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Dictionary()); @@ -3011,6 +3029,14 @@ TextServer::Direction TextServerAdvanced::shaped_text_get_direction(RID p_shaped return sd->direction; } +TextServer::Direction TextServerAdvanced::shaped_text_get_inferred_direction(RID p_shaped) const { + const ShapedTextDataAdvanced *sd = shaped_owner.get_or_null(p_shaped); + ERR_FAIL_COND_V(!sd, TextServer::DIRECTION_LTR); + + MutexLock lock(sd->mutex); + return sd->para_direction; +} + void TextServerAdvanced::shaped_text_set_custom_punctuation(RID p_shaped, const String &p_punct) { _THREAD_SAFE_METHOD_ ShapedTextDataAdvanced *sd = shaped_owner.get_or_null(p_shaped); @@ -3564,7 +3590,11 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, float justification_width; if ((p_jst_flags & JUSTIFICATION_CONSTRAIN_ELLIPSIS) == JUSTIFICATION_CONSTRAIN_ELLIPSIS) { if (sd->overrun_trim_data.trim_pos >= 0) { - start_pos = sd->overrun_trim_data.trim_pos; + if (sd->para_direction == DIRECTION_RTL) { + start_pos = sd->overrun_trim_data.trim_pos; + } else { + end_pos = sd->overrun_trim_data.trim_pos; + } justification_width = sd->width_trimmed; } else { return sd->width; @@ -3574,6 +3604,7 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, } if ((p_jst_flags & JUSTIFICATION_TRIM_EDGE_SPACES) == JUSTIFICATION_TRIM_EDGE_SPACES) { + // Trim spaces. while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { justification_width -= sd->glyphs[start_pos].advance * sd->glyphs[start_pos].repeat; sd->glyphs.write[start_pos].advance = 0; @@ -3584,6 +3615,14 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, sd->glyphs.write[end_pos].advance = 0; end_pos -= sd->glyphs[end_pos].count; } + } else { + // Skip breaks, but do not reset size. + while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { + start_pos += sd->glyphs[start_pos].count; + } + while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { + end_pos -= sd->glyphs[end_pos].count; + } } int space_count = 0; @@ -3592,7 +3631,10 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, const Glyph &gl = sd->glyphs[i]; if (gl.count > 0) { if ((gl.flags & GRAPHEME_IS_ELONGATION) == GRAPHEME_IS_ELONGATION) { - elongation_count++; + if ((i > 0) && ((sd->glyphs[i - 1].flags & GRAPHEME_IS_ELONGATION) != GRAPHEME_IS_ELONGATION)) { + // Expand once per elongation sequence. + elongation_count++; + } } if ((gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) { space_count++; @@ -3606,12 +3648,17 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, Glyph &gl = sd->glyphs.write[i]; if (gl.count > 0) { if (((gl.flags & GRAPHEME_IS_ELONGATION) == GRAPHEME_IS_ELONGATION) && (gl.advance > 0)) { - int count = delta_width_per_kashida / gl.advance; - int prev_count = gl.repeat; - if ((gl.flags & GRAPHEME_IS_VIRTUAL) == GRAPHEME_IS_VIRTUAL) { - gl.repeat = MAX(count, 0); + if ((i > 0) && ((sd->glyphs[i - 1].flags & GRAPHEME_IS_ELONGATION) != GRAPHEME_IS_ELONGATION)) { + // Expand once per elongation sequence. + int count = delta_width_per_kashida / gl.advance; + int prev_count = gl.repeat; + if ((gl.flags & GRAPHEME_IS_VIRTUAL) == GRAPHEME_IS_VIRTUAL) { + gl.repeat = MAX(count, 0); + } else { + gl.repeat = MAX(count + 1, 1); + } + justification_width += (gl.repeat - prev_count) * gl.advance; } - justification_width += (gl.repeat - prev_count) * gl.advance; } } } @@ -3653,7 +3700,7 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, sd->width = justification_width; } - return sd->width; + return justification_width; } float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const PackedFloat32Array &p_tab_stops) { @@ -3668,6 +3715,12 @@ float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const PackedFloat3 const_cast<TextServerAdvanced *>(this)->shaped_text_update_breaks(p_shaped); } + for (int i = 0; i < p_tab_stops.size(); i++) { + if (p_tab_stops[i] <= 0) { + return 0.f; + } + } + int tab_index = 0; float off = 0.f; @@ -3735,23 +3788,56 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl return; } + Vector<ShapedTextDataAdvanced::Span> &spans = sd->spans; + if (sd->parent != RID()) { + ShapedTextDataAdvanced *parent_sd = shaped_owner.get_or_null(sd->parent); + ERR_FAIL_COND(!parent_sd->valid); + spans = parent_sd->spans; + } + + if (spans.size() == 0) { + return; + } + int sd_size = sd->glyphs.size(); - RID last_gl_font_rid = sd_glyphs[sd_size - 1].font_rid; int last_gl_font_size = sd_glyphs[sd_size - 1].font_size; - int32_t dot_gl_idx = font_get_glyph_index(last_gl_font_rid, last_gl_font_size, '.'); - Vector2 dot_adv = font_get_glyph_advance(last_gl_font_rid, last_gl_font_size, dot_gl_idx); - int32_t whitespace_gl_idx = font_get_glyph_index(last_gl_font_rid, last_gl_font_size, ' '); - Vector2 whitespace_adv = font_get_glyph_advance(last_gl_font_rid, last_gl_font_size, whitespace_gl_idx); + + // Find usable fonts, if fonts from the last glyph do not have required chars. + RID dot_gl_font_rid = sd_glyphs[sd_size - 1].font_rid; + if (!font_has_char(dot_gl_font_rid, '.')) { + const Vector<RID> &fonts = spans[spans.size() - 1].fonts; + for (const RID &font : fonts) { + if (font_has_char(font, '.')) { + dot_gl_font_rid = font; + break; + } + } + } + RID whitespace_gl_font_rid = sd_glyphs[sd_size - 1].font_rid; + if (!font_has_char(whitespace_gl_font_rid, '.')) { + const Vector<RID> &fonts = spans[spans.size() - 1].fonts; + for (const RID &font : fonts) { + if (font_has_char(font, ' ')) { + whitespace_gl_font_rid = font; + break; + } + } + } + + int32_t dot_gl_idx = dot_gl_font_rid.is_valid() ? font_get_glyph_index(dot_gl_font_rid, last_gl_font_size, '.') : -10; + Vector2 dot_adv = dot_gl_font_rid.is_valid() ? font_get_glyph_advance(dot_gl_font_rid, last_gl_font_size, dot_gl_idx) : Vector2(); + int32_t whitespace_gl_idx = whitespace_gl_font_rid.is_valid() ? font_get_glyph_index(whitespace_gl_font_rid, last_gl_font_size, ' ') : -10; + Vector2 whitespace_adv = whitespace_gl_font_rid.is_valid() ? font_get_glyph_advance(whitespace_gl_font_rid, last_gl_font_size, whitespace_gl_idx) : Vector2(); int ellipsis_width = 0; - if (add_ellipsis) { - ellipsis_width = 3 * dot_adv.x + font_get_spacing(last_gl_font_rid, last_gl_font_size, SPACING_GLYPH) + (cut_per_word ? whitespace_adv.x : 0); + if (add_ellipsis && whitespace_gl_font_rid.is_valid()) { + ellipsis_width = 3 * dot_adv.x + font_get_spacing(whitespace_gl_font_rid, last_gl_font_size, SPACING_GLYPH) + (cut_per_word ? whitespace_adv.x : 0); } int ell_min_characters = 6; float width = sd->width; - bool is_rtl = sd->direction == DIRECTION_RTL || (sd->direction == DIRECTION_AUTO && sd->para_direction == DIRECTION_RTL); + bool is_rtl = sd->para_direction == DIRECTION_RTL; int trim_pos = (is_rtl) ? sd_size : 0; int ellipsis_pos = (enforce_ellipsis) ? 0 : -1; @@ -3809,23 +3895,25 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl gl.count = 1; gl.advance = whitespace_adv.x; gl.index = whitespace_gl_idx; - gl.font_rid = last_gl_font_rid; + gl.font_rid = whitespace_gl_font_rid; gl.font_size = last_gl_font_size; gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL | (is_rtl ? GRAPHEME_IS_RTL : 0); sd->overrun_trim_data.ellipsis_glyph_buf.append(gl); } // Add ellipsis dots. - Glyph gl; - gl.count = 1; - gl.repeat = 3; - gl.advance = dot_adv.x; - gl.index = dot_gl_idx; - gl.font_rid = last_gl_font_rid; - gl.font_size = last_gl_font_size; - gl.flags = GRAPHEME_IS_PUNCTUATION | GRAPHEME_IS_VIRTUAL | (is_rtl ? GRAPHEME_IS_RTL : 0); - - sd->overrun_trim_data.ellipsis_glyph_buf.append(gl); + if (dot_gl_idx != 0) { + Glyph gl; + gl.count = 1; + gl.repeat = 3; + gl.advance = dot_adv.x; + gl.index = dot_gl_idx; + gl.font_rid = dot_gl_font_rid; + gl.font_size = last_gl_font_size; + gl.flags = GRAPHEME_IS_PUNCTUATION | GRAPHEME_IS_VIRTUAL | (is_rtl ? GRAPHEME_IS_RTL : 0); + + sd->overrun_trim_data.ellipsis_glyph_buf.append(gl); + } } sd->text_trimmed = true; @@ -3896,21 +3984,19 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) { for (int j = r_start; j < r_end; j++) { char32_t c = sd->text[j - sd->start]; if (is_whitespace(c)) { - breaks[j] = false; + breaks[j + 1] = false; } if (is_linebreak(c)) { - breaks[j] = true; + breaks[j + 1] = true; } } } else { while (ubrk_next(bi) != UBRK_DONE) { - int pos = _convert_pos(sd, ubrk_current(bi)) + r_start - 1; - if (pos != r_end) { - if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_HARD) && (ubrk_getRuleStatus(bi) < UBRK_LINE_HARD_LIMIT)) { - breaks[pos] = true; - } else if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_SOFT) && (ubrk_getRuleStatus(bi) < UBRK_LINE_SOFT_LIMIT)) { - breaks[pos] = false; - } + int pos = _convert_pos(sd, ubrk_current(bi)) + r_start; + if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_HARD) && (ubrk_getRuleStatus(bi) < UBRK_LINE_HARD_LIMIT)) { + breaks[pos] = true; + } else if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_SOFT) && (ubrk_getRuleStatus(bi) < UBRK_LINE_SOFT_LIMIT)) { + breaks[pos] = false; } } } @@ -3954,34 +4040,46 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) { if (is_underscore(c)) { sd_glyphs[i].flags |= GRAPHEME_IS_UNDERSCORE; } - if (breaks.has(sd->glyphs[i].start)) { - if (breaks[sd->glyphs[i].start]) { + if (breaks.has(sd_glyphs[i].end)) { + if (breaks[sd_glyphs[i].end] && (is_linebreak(c))) { sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_HARD; + } else if (is_whitespace(c)) { + sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_SOFT; } else { - if (is_whitespace(c)) { - sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_SOFT; + int count = sd_glyphs[i].count; + // Do not add extra space at the end of the line. + if (sd_glyphs[i].end == sd->end) { + continue; + } + // Do not add extra space after existing space. + if (sd_glyphs[i].flags & GRAPHEME_IS_RTL) { + if ((i + count < sd_size - 1) && ((sd_glyphs[i + count].flags & (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT)) == (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT))) { + continue; + } } else { - Glyph gl; - gl.start = sd_glyphs[i].start; - gl.end = sd_glyphs[i].end; - gl.count = 1; - gl.font_rid = sd_glyphs[i].font_rid; - gl.font_size = sd_glyphs[i].font_size; - gl.flags = GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL; - if (sd->glyphs[i].flags & GRAPHEME_IS_RTL) { - gl.flags |= GRAPHEME_IS_RTL; - sd->glyphs.insert(i, gl); // Insert before. - } else { - sd->glyphs.insert(i + sd_glyphs[i].count, gl); // Insert after. + if ((i > 0) && ((sd_glyphs[i - 1].flags & (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT)) == (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT))) { + continue; } - - // Update write pointer and size. - sd_size = sd->glyphs.size(); - sd_glyphs = sd->glyphs.ptrw(); - - i += sd_glyphs[i].count; - continue; } + Glyph gl; + gl.start = sd_glyphs[i].start; + gl.end = sd_glyphs[i].end; + gl.count = 1; + gl.font_rid = sd_glyphs[i].font_rid; + gl.font_size = sd_glyphs[i].font_size; + gl.flags = GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL | GRAPHEME_IS_SPACE; + if (sd_glyphs[i].flags & GRAPHEME_IS_RTL) { + gl.flags |= GRAPHEME_IS_RTL; + sd->glyphs.insert(i, gl); // Insert before. + } else { + sd->glyphs.insert(i + count, gl); // Insert after. + } + i += count; + + // Update write pointer and size. + sd_size = sd->glyphs.size(); + sd_glyphs = sd->glyphs.ptrw(); + continue; } } @@ -4127,53 +4225,80 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) { sd->sort_valid = false; sd->glyphs_logical.clear(); - int sd_size = sd->glyphs.size(); + Glyph *sd_glyphs = sd->glyphs.ptrw(); + int sd_size = sd->glyphs.size(); if (jstops.size() > 0) { for (int i = 0; i < sd_size; i++) { - if (sd->glyphs[i].count > 0) { - if (jstops.has(sd->glyphs[i].start)) { - char32_t c = sd->text[sd->glyphs[i].start - sd->start]; + if (sd_glyphs[i].count > 0) { + char32_t c = sd->text[sd_glyphs[i].start - sd->start]; + if (c == 0x0640) { + sd_glyphs[i].flags |= GRAPHEME_IS_ELONGATION; + } + if (jstops.has(sd_glyphs[i].start)) { if (c == 0xfffc) { continue; } - if (jstops[sd->glyphs[i].start]) { - if (c == 0x0640) { - sd->glyphs.write[i].flags |= GRAPHEME_IS_ELONGATION; - } else { - if (sd->glyphs[i].font_rid != RID()) { + if (jstops[sd_glyphs[i].start]) { + if (c != 0x0640) { + if (sd_glyphs[i].font_rid != RID()) { Glyph gl = _shape_single_glyph(sd, 0x0640, HB_SCRIPT_ARABIC, HB_DIRECTION_RTL, sd->glyphs[i].font_rid, sd->glyphs[i].font_size); - if ((gl.flags & GRAPHEME_IS_VALID) == GRAPHEME_IS_VALID) { - gl.start = sd->glyphs[i].start; - gl.end = sd->glyphs[i].end; + if ((sd_glyphs[i].flags & GRAPHEME_IS_VALID) == GRAPHEME_IS_VALID) { + gl.start = sd_glyphs[i].start; + gl.end = sd_glyphs[i].end; gl.repeat = 0; gl.count = 1; if (sd->orientation == ORIENTATION_HORIZONTAL) { - gl.y_off = sd->glyphs[i].y_off; + gl.y_off = sd_glyphs[i].y_off; } else { - gl.x_off = sd->glyphs[i].x_off; + gl.x_off = sd_glyphs[i].x_off; } gl.flags |= GRAPHEME_IS_ELONGATION | GRAPHEME_IS_VIRTUAL; sd->glyphs.insert(i, gl); i++; + + // Update write pointer and size. + sd_size = sd->glyphs.size(); + sd_glyphs = sd->glyphs.ptrw(); + continue; } } } - } else if (!is_whitespace(c)) { + } else if ((sd_glyphs[i].flags & GRAPHEME_IS_SPACE) != GRAPHEME_IS_SPACE) { + int count = sd_glyphs[i].count; + // Do not add extra spaces at the end of the line. + if (sd_glyphs[i].end == sd->end) { + continue; + } + // Do not add extra space after existing space. + if (sd_glyphs[i].flags & GRAPHEME_IS_RTL) { + if ((i + count < sd_size - 1) && ((sd_glyphs[i + count].flags & (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT)) == (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT))) { + continue; + } + } else { + if ((i > 0) && ((sd_glyphs[i - 1].flags & (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT)) == (GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT))) { + continue; + } + } + // Inject virtual space for alignment. Glyph gl; - gl.start = sd->glyphs[i].start; - gl.end = sd->glyphs[i].end; + gl.start = sd_glyphs[i].start; + gl.end = sd_glyphs[i].end; gl.count = 1; - gl.font_rid = sd->glyphs[i].font_rid; - gl.font_size = sd->glyphs[i].font_size; + gl.font_rid = sd_glyphs[i].font_rid; + gl.font_size = sd_glyphs[i].font_size; gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_VIRTUAL; - if (sd->glyphs[i].flags & GRAPHEME_IS_RTL) { + if (sd_glyphs[i].flags & GRAPHEME_IS_RTL) { gl.flags |= GRAPHEME_IS_RTL; sd->glyphs.insert(i, gl); // Insert before. } else { - sd->glyphs.insert(i + sd->glyphs[i].count, gl); // Insert after. + sd->glyphs.insert(i + count, gl); // Insert after. } - i += sd->glyphs[i].count; + i += count; + + // Update write pointer and size. + sd_size = sd->glyphs.size(); + sd_glyphs = sd->glyphs.ptrw(); continue; } } @@ -4231,6 +4356,24 @@ Glyph TextServerAdvanced::_shape_single_glyph(ShapedTextDataAdvanced *p_sd, char return gl; } +_FORCE_INLINE_ void TextServerAdvanced::_add_featuers(const Dictionary &p_source, Vector<hb_feature_t> &r_ftrs) { + for (const Variant *ftr = p_source.next(nullptr); ftr != nullptr; ftr = p_source.next(ftr)) { + int32_t values = p_source[*ftr]; + if (values >= 0) { + hb_feature_t feature; + if (ftr->get_type() == Variant::STRING) { + feature.tag = name_to_tag(*ftr); + } else { + feature.tag = *ftr; + } + feature.value = values; + feature.start = 0; + feature.end = -1; + r_ftrs.push_back(feature); + } + } +} + void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_start, int32_t p_end, hb_script_t p_script, hb_direction_t p_direction, Vector<RID> p_fonts, int p_span, int p_fb_index) { int fs = p_sd->spans[p_span].font_size; if (p_fb_index >= p_fonts.size()) { @@ -4287,17 +4430,9 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star hb_buffer_add_utf32(p_sd->hb_buffer, (const uint32_t *)p_sd->text.ptr(), p_sd->text.length(), p_start, p_end - p_start); Vector<hb_feature_t> ftrs; - for (const Variant *ftr = p_sd->spans[p_span].features.next(nullptr); ftr != nullptr; ftr = p_sd->spans[p_span].features.next(ftr)) { - double values = p_sd->spans[p_span].features[*ftr]; - if (values >= 0) { - hb_feature_t feature; - feature.tag = *ftr; - feature.value = values; - feature.start = 0; - feature.end = -1; - ftrs.push_back(feature); - } - } + _add_featuers(font_get_opentype_feature_overrides(f), ftrs); + _add_featuers(p_sd->spans[p_span].features, ftrs); + hb_shape(hb_font, p_sd->hb_buffer, ftrs.is_empty() ? nullptr : &ftrs[0], ftrs.size()); unsigned int glyph_count = 0; @@ -5094,6 +5229,40 @@ String TextServerAdvanced::strip_diacritics(const String &p_string) const { return result; } +String TextServerAdvanced::string_to_upper(const String &p_string, const String &p_language) const { + // Convert to UTF-16. + Char16String utf16 = p_string.utf16(); + + Char16String upper; + UErrorCode err = U_ZERO_ERROR; + int32_t len = u_strToUpper(nullptr, 0, utf16.ptr(), -1, p_language.ascii().get_data(), &err); + ERR_FAIL_COND_V_MSG(err != U_BUFFER_OVERFLOW_ERROR, p_string, u_errorName(err)); + upper.resize(len); + err = U_ZERO_ERROR; + u_strToUpper(upper.ptrw(), len, utf16.ptr(), -1, p_language.ascii().get_data(), &err); + ERR_FAIL_COND_V_MSG(U_FAILURE(err), p_string, u_errorName(err)); + + // Convert back to UTF-32. + return String::utf16(upper.ptr(), len); +} + +String TextServerAdvanced::string_to_lower(const String &p_string, const String &p_language) const { + // Convert to UTF-16. + Char16String utf16 = p_string.utf16(); + + Char16String lower; + UErrorCode err = U_ZERO_ERROR; + int32_t len = u_strToLower(nullptr, 0, utf16.ptr(), -1, p_language.ascii().get_data(), &err); + ERR_FAIL_COND_V_MSG(err != U_BUFFER_OVERFLOW_ERROR, p_string, u_errorName(err)); + lower.resize(len); + err = U_ZERO_ERROR; + u_strToLower(lower.ptrw(), len, utf16.ptr(), -1, p_language.ascii().get_data(), &err); + ERR_FAIL_COND_V_MSG(U_FAILURE(err), p_string, u_errorName(err)); + + // Convert back to UTF-32. + return String::utf16(lower.ptr(), len); +} + TextServerAdvanced::TextServerAdvanced() { _insert_num_systems_lang(); _insert_feature_sets(); diff --git a/modules/text_server_adv/text_server_adv.h b/modules/text_server_adv/text_server_adv.h index fb9446da9f..f2ae24cae6 100644 --- a/modules/text_server_adv/text_server_adv.h +++ b/modules/text_server_adv/text_server_adv.h @@ -187,6 +187,7 @@ class TextServerAdvanced : public TextServer { Set<uint32_t> supported_scripts; Dictionary supported_features; Dictionary supported_varaitions; + Dictionary feature_overrides; // Language/script support override. Map<String, bool> language_support_overrides; @@ -272,6 +273,7 @@ class TextServerAdvanced : public TextServer { bool _shape_substr(ShapedTextDataAdvanced *p_new_sd, const ShapedTextDataAdvanced *p_sd, int p_start, int p_length) const; void _shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_start, int32_t p_end, hb_script_t p_script, hb_direction_t p_direction, Vector<RID> p_fonts, int p_span, int p_fb_index); Glyph _shape_single_glyph(ShapedTextDataAdvanced *p_sd, char32_t p_char, hb_script_t p_script, hb_direction_t p_direction, RID p_font, int p_font_size); + _FORCE_INLINE_ void _add_featuers(const Dictionary &p_source, Vector<hb_feature_t> &r_ftrs); // HarfBuzz bitmap font interface. @@ -447,6 +449,9 @@ public: virtual void font_remove_script_support_override(RID p_font_rid, const String &p_script) override; virtual Vector<String> font_get_script_support_overrides(RID p_font_rid) override; + virtual void font_set_opentype_feature_overrides(RID p_font_rid, const Dictionary &p_overrides) override; + virtual Dictionary font_get_opentype_feature_overrides(RID p_font_rid) const override; + virtual Dictionary font_supported_feature_list(RID p_font_rid) const override; virtual Dictionary font_supported_variation_list(RID p_font_rid) const override; @@ -461,6 +466,7 @@ public: virtual void shaped_text_set_direction(RID p_shaped, Direction p_direction = DIRECTION_AUTO) override; virtual Direction shaped_text_get_direction(RID p_shaped) const override; + virtual Direction shaped_text_get_inferred_direction(RID p_shaped) const override; virtual void shaped_text_set_bidi_override(RID p_shaped, const Array &p_override) override; @@ -521,6 +527,9 @@ public: virtual String strip_diacritics(const String &p_string) const override; + virtual String string_to_upper(const String &p_string, const String &p_language = "") const override; + virtual String string_to_lower(const String &p_string, const String &p_language = "") const override; + TextServerAdvanced(); ~TextServerAdvanced(); }; |