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Add word breaks on punctuation characters.
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@ -1167,6 +1167,9 @@
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<constant name="GRAPHEME_IS_ELONGATION" value="128" enum="GraphemeFlag">
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Grapheme is kashida.
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</constant>
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<constant name="GRAPHEME_IS_PUNCTUATION" value="256" enum="GraphemeFlag">
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Grapheme is punctuation character.
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</constant>
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<constant name="HINTING_NONE" value="0" enum="Hinting">
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Disables font hinting (smoother but less crisp).
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</constant>
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@ -1645,13 +1645,18 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
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if (c == 0x0009 || c == 0x000b) {
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sd_glyphs[i].flags |= GRAPHEME_IS_TAB;
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}
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if (is_whitespace(c)) {
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sd_glyphs[i].flags |= GRAPHEME_IS_SPACE;
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}
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if (u_ispunct(c)) {
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sd_glyphs[i].flags |= GRAPHEME_IS_PUNCTUATION;
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}
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if (breaks.has(sd->glyphs[i].start)) {
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if (breaks[sd->glyphs[i].start]) {
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sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_HARD;
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} else {
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if (is_whitespace(c)) {
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sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_SOFT;
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sd_glyphs[i].flags |= GRAPHEME_IS_SPACE;
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} else {
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TextServer::Glyph gl;
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gl.start = sd_glyphs[i].start;
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@ -1766,6 +1771,10 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
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shaped_text_update_breaks(p_shaped);
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}
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if (sd->justification_ops_valid) {
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return true; // Noting to do.
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}
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const UChar *data = sd->utf16.ptr();
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int32_t data_size = sd->utf16.length();
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@ -1796,9 +1805,9 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
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if (ubrk_getRuleStatus(bi) != UBRK_WORD_NONE) {
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int i = _convert_pos(sd, ubrk_current(bi));
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jstops[i + sd->start] = false;
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int ks = _generate_kashida_justification_opportunies(sd->text, limit, i) + sd->start;
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int ks = _generate_kashida_justification_opportunies(sd->text, limit, i);
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if (ks != -1) {
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jstops[ks] = true;
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jstops[ks + sd->start] = true;
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}
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limit = i;
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}
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@ -45,6 +45,10 @@ _FORCE_INLINE_ bool is_linebreak(char32_t p_char) {
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return (p_char >= 0x000a && p_char <= 0x000d) || (p_char == 0x0085) || (p_char == 0x2028) || (p_char == 0x2029);
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}
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_FORCE_INLINE_ bool is_punct(char32_t p_char) {
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return (p_char >= 0x0020 && p_char <= 0x002F) || (p_char >= 0x003A && p_char <= 0x0040) || (p_char >= 0x005B && p_char <= 0x0060) || (p_char >= 0x007B && p_char <= 0x007E) || (p_char >= 0x2000 && p_char <= 0x206F) || (p_char >= 0x3000 && p_char <= 0x303F);
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}
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/*************************************************************************/
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String TextServerFallback::interface_name = "Fallback";
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@ -1029,6 +1033,9 @@ bool TextServerFallback::shaped_text_update_breaks(RID p_shaped) {
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for (int i = 0; i < sd_size; i++) {
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if (sd->glyphs[i].count > 0) {
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char32_t c = sd->text[sd->glyphs[i].start];
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if (is_punct(c)) {
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sd->glyphs.write[i].flags |= GRAPHEME_IS_PUNCTUATION;
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}
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if (is_whitespace(c) && !is_linebreak(c)) {
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sd->glyphs.write[i].flags |= GRAPHEME_IS_SPACE;
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sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_SOFT;
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@ -376,6 +376,7 @@ void TextServer::_bind_methods() {
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BIND_ENUM_CONSTANT(GRAPHEME_IS_BREAK_SOFT);
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BIND_ENUM_CONSTANT(GRAPHEME_IS_TAB);
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BIND_ENUM_CONSTANT(GRAPHEME_IS_ELONGATION);
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BIND_ENUM_CONSTANT(GRAPHEME_IS_PUNCTUATION);
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/* Hinting */
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BIND_ENUM_CONSTANT(HINTING_NONE);
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@ -679,7 +680,7 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks(RID p_shaped, float p_w
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Vector<Vector2i> TextServer::shaped_text_get_word_breaks(RID p_shaped) const {
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Vector<Vector2i> words;
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const_cast<TextServer *>(this)->shaped_text_update_breaks(p_shaped);
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const_cast<TextServer *>(this)->shaped_text_update_justification_ops(p_shaped);
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const Vector<Glyph> &logical = const_cast<TextServer *>(this)->shaped_text_sort_logical(p_shaped);
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const Vector2i &range = shaped_text_get_range(p_shaped);
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@ -690,8 +691,8 @@ Vector<Vector2i> TextServer::shaped_text_get_word_breaks(RID p_shaped) const {
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for (int i = 0; i < l_size; i++) {
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if (l_gl[i].count > 0) {
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if ((l_gl[i].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) {
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words.push_back(Vector2i(word_start, l_gl[i].end - 1));
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if (((l_gl[i].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) || ((l_gl[i].flags & GRAPHEME_IS_PUNCTUATION) == GRAPHEME_IS_PUNCTUATION)) {
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words.push_back(Vector2i(word_start, l_gl[i].start));
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word_start = l_gl[i].end;
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}
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}
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@ -74,11 +74,12 @@ public:
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GRAPHEME_IS_VALID = 1 << 0, // Glyph is valid.
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GRAPHEME_IS_RTL = 1 << 1, // Glyph is right-to-left.
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GRAPHEME_IS_VIRTUAL = 1 << 2, // Glyph is not part of source string (added by fit_to_width function, do not affect caret movement).
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GRAPHEME_IS_SPACE = 1 << 3, // Is whitespace (for justification).
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GRAPHEME_IS_BREAK_HARD = 1 << 4, // Is line break (mandatory break, e.g "\n")
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GRAPHEME_IS_BREAK_SOFT = 1 << 5, // Is line break (optional break, e.g space)
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GRAPHEME_IS_TAB = 1 << 6, // Is tab or vertical tab
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GRAPHEME_IS_ELONGATION = 1 << 7 // Elongation (e.g kashida), glyph can be duplicated or truncated to fit line to width.
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GRAPHEME_IS_SPACE = 1 << 3, // Is whitespace (for justification and word breaks).
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GRAPHEME_IS_BREAK_HARD = 1 << 4, // Is line break (mandatory break, e.g. "\n").
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GRAPHEME_IS_BREAK_SOFT = 1 << 5, // Is line break (optional break, e.g. space).
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GRAPHEME_IS_TAB = 1 << 6, // Is tab or vertical tab.
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GRAPHEME_IS_ELONGATION = 1 << 7, // Elongation (e.g. kashida), glyph can be duplicated or truncated to fit line to width.
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GRAPHEME_IS_PUNCTUATION = 1 << 8 // Punctuation (can be used as word break, but not line break or justifiction).
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};
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enum Hinting {
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@ -104,7 +105,7 @@ public:
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uint8_t count = 0; // Number of glyphs in the grapheme, set in the first glyph only.
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uint8_t repeat = 1; // Draw multiple times in the row.
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uint8_t flags = 0; // Grapheme flags (valid, rtl, virtual), set in the first glyph only.
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uint16_t flags = 0; // Grapheme flags (valid, rtl, virtual), set in the first glyph only.
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float x_off = 0.f; // Offset from the origin of the glyph on baseline.
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float y_off = 0.f;
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