summaryrefslogtreecommitdiff
path: root/modules/text_server_adv/text_server_adv.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'modules/text_server_adv/text_server_adv.cpp')
-rw-r--r--modules/text_server_adv/text_server_adv.cpp190
1 files changed, 99 insertions, 91 deletions
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp
index 66816f32d1..9ecb0de5b8 100644
--- a/modules/text_server_adv/text_server_adv.cpp
+++ b/modules/text_server_adv/text_server_adv.cpp
@@ -977,6 +977,7 @@ void TextServerAdvanced::invalidate(TextServerAdvanced::ShapedTextDataAdvanced *
p_shaped->sort_valid = false;
p_shaped->line_breaks_valid = false;
p_shaped->justification_ops_valid = false;
+ p_shaped->text_trimmed = false;
p_shaped->ascent = 0.f;
p_shaped->descent = 0.f;
p_shaped->width = 0.f;
@@ -984,6 +985,7 @@ void TextServerAdvanced::invalidate(TextServerAdvanced::ShapedTextDataAdvanced *
p_shaped->uthk = 0.f;
p_shaped->glyphs.clear();
p_shaped->glyphs_logical.clear();
+ p_shaped->overrun_trim_data = TrimData();
p_shaped->utf16 = Char16String();
if (p_shaped->script_iter != nullptr) {
memdelete(p_shaped->script_iter);
@@ -1375,7 +1377,7 @@ RID TextServerAdvanced::shaped_text_substr(RID p_shaped, int p_start, int p_leng
ERR_FAIL_COND_V_MSG((start < 0 || end - start > new_sd->utf16.length()), RID(), "Invalid BiDi override range.");
- //Create temporary line bidi & shape
+ // Create temporary line bidi & shape.
UBiDi *bidi_iter = ubidi_openSized(end - start, 0, &err);
ERR_FAIL_COND_V_MSG(U_FAILURE(err), RID(), u_errorName(err));
ubidi_setLine(sd->bidi_iter[ov], start, end, bidi_iter, &err);
@@ -1541,6 +1543,7 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width,
const_cast<TextServerAdvanced *>(this)->shaped_text_update_justification_ops(p_shaped);
}
+ sd->fit_width_minimum_reached = false;
int start_pos = 0;
int end_pos = sd->glyphs.size() - 1;
@@ -1569,14 +1572,26 @@ 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;
+ justification_width = sd->width_trimmed;
+ } else {
+ return sd->width;
+ }
+ } else {
+ justification_width = sd->width;
+ }
+
if ((p_jst_flags & JUSTIFICATION_TRIM_EDGE_SPACES) == JUSTIFICATION_TRIM_EDGE_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)) {
- sd->width -= sd->glyphs[start_pos].advance * sd->glyphs[start_pos].repeat;
+ justification_width -= sd->glyphs[start_pos].advance * sd->glyphs[start_pos].repeat;
sd->glyphs.write[start_pos].advance = 0;
start_pos += sd->glyphs[start_pos].count;
}
while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (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)) {
- sd->width -= sd->glyphs[end_pos].advance * sd->glyphs[end_pos].repeat;
+ justification_width -= sd->glyphs[end_pos].advance * sd->glyphs[end_pos].repeat;
sd->glyphs.write[end_pos].advance = 0;
end_pos -= sd->glyphs[end_pos].count;
}
@@ -1597,7 +1612,7 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width,
}
if ((elongation_count > 0) && ((p_jst_flags & JUSTIFICATION_KASHIDA) == JUSTIFICATION_KASHIDA)) {
- float delta_width_per_kashida = (p_width - sd->width) / elongation_count;
+ float delta_width_per_kashida = (p_width - justification_width) / elongation_count;
for (int i = start_pos; i <= end_pos; i++) {
Glyph &gl = sd->glyphs.write[i];
if (gl.count > 0) {
@@ -1605,34 +1620,50 @@ float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width,
int count = delta_width_per_kashida / gl.advance;
int prev_count = gl.repeat;
if ((gl.flags & GRAPHEME_IS_VIRTUAL) == GRAPHEME_IS_VIRTUAL) {
- gl.repeat = count;
- } else {
- gl.repeat = count + 1;
+ gl.repeat = MAX(count, 0);
}
- sd->width += (gl.repeat - prev_count) * gl.advance;
+ justification_width += (gl.repeat - prev_count) * gl.advance;
}
}
}
}
-
+ float adv_remain = 0;
if ((space_count > 0) && ((p_jst_flags & JUSTIFICATION_WORD_BOUND) == JUSTIFICATION_WORD_BOUND)) {
- float delta_width_per_space = (p_width - sd->width) / space_count;
+ float delta_width_per_space = (p_width - justification_width) / space_count;
for (int i = start_pos; i <= end_pos; i++) {
Glyph &gl = sd->glyphs.write[i];
if (gl.count > 0) {
if ((gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) {
float old_adv = gl.advance;
+ float new_advance;
if ((gl.flags & GRAPHEME_IS_VIRTUAL) == GRAPHEME_IS_VIRTUAL) {
- gl.advance = Math::round(MAX(gl.advance + delta_width_per_space, 0.f));
+ new_advance = MAX(gl.advance + delta_width_per_space, 0.f);
} else {
- gl.advance = Math::round(MAX(gl.advance + delta_width_per_space, 0.05 * gl.font_size));
+ new_advance = MAX(gl.advance + delta_width_per_space, 0.05 * gl.font_size);
+ }
+ gl.advance = new_advance;
+ adv_remain += (new_advance - gl.advance);
+ if (adv_remain >= 1.0) {
+ gl.advance++;
+ adv_remain -= 1.0;
+ } else if (adv_remain <= -1.0) {
+ gl.advance = MAX(gl.advance - 1, 0);
+ adv_remain -= 1.0;
}
- sd->width += (gl.advance - old_adv);
+ justification_width += (gl.advance - old_adv);
}
}
}
}
+ if (Math::floor(p_width) < Math::floor(justification_width)) {
+ sd->fit_width_minimum_reached = true;
+ }
+
+ if ((p_jst_flags & JUSTIFICATION_CONSTRAIN_ELLIPSIS) != JUSTIFICATION_CONSTRAIN_ELLIPSIS) {
+ sd->width = justification_width;
+ }
+
return sd->width;
}
@@ -1685,7 +1716,7 @@ float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const Vector<float
return 0.f;
}
-void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint8_t p_clip_flags) {
+void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint8_t p_trim_flags) {
_THREAD_SAFE_METHOD_
ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped_line);
ERR_FAIL_COND_MSG(!sd, "ShapedTextDataAdvanced invalid.");
@@ -1693,13 +1724,22 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl
shaped_text_shape(p_shaped_line);
}
- bool add_ellipsis = (p_clip_flags & OVERRUN_ADD_ELLIPSIS) == OVERRUN_ADD_ELLIPSIS;
- bool cut_per_word = (p_clip_flags & OVERRUN_TRIM_WORD_ONLY) == OVERRUN_TRIM_WORD_ONLY;
- bool enforce_ellipsis = (p_clip_flags & OVERRUN_ENFORCE_ELLIPSIS) == OVERRUN_ENFORCE_ELLIPSIS;
+ sd->overrun_trim_data.ellipsis_glyph_buf.clear();
+
+ bool add_ellipsis = (p_trim_flags & OVERRUN_ADD_ELLIPSIS) == OVERRUN_ADD_ELLIPSIS;
+ bool cut_per_word = (p_trim_flags & OVERRUN_TRIM_WORD_ONLY) == OVERRUN_TRIM_WORD_ONLY;
+ bool enforce_ellipsis = (p_trim_flags & OVERRUN_ENFORCE_ELLIPSIS) == OVERRUN_ENFORCE_ELLIPSIS;
+ bool justification_aware = (p_trim_flags & OVERRUN_JUSTIFICATION_AWARE) == OVERRUN_JUSTIFICATION_AWARE;
Glyph *sd_glyphs = sd->glyphs.ptrw();
- if ((p_clip_flags & OVERRUN_TRIM) == OVERRUN_NO_TRIMMING || sd_glyphs == nullptr || p_width <= 0 || !(sd->width > p_width || enforce_ellipsis)) {
+ if ((p_trim_flags & OVERRUN_TRIM) == OVERRUN_NO_TRIMMING || sd_glyphs == nullptr || p_width <= 0 || !(sd->width > p_width || enforce_ellipsis)) {
+ sd->overrun_trim_data.trim_pos = -1;
+ sd->overrun_trim_data.ellipsis_pos = -1;
+ return;
+ }
+
+ if (justification_aware && !sd->fit_width_minimum_reached) {
return;
}
@@ -1711,9 +1751,9 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl
uint32_t whitespace_gl_idx = font_get_glyph_index(last_gl_font_rid, ' ');
Vector2 whitespace_adv = font_get_glyph_advance(last_gl_font_rid, whitespace_gl_idx, last_gl_font_size);
- int ellipsis_advance = 0;
+ int ellipsis_width = 0;
if (add_ellipsis) {
- ellipsis_advance = 3 * dot_adv.x + font_get_spacing_glyph(last_gl_font_rid) + (cut_per_word ? whitespace_adv.x : 0);
+ ellipsis_width = 3 * dot_adv.x + font_get_spacing_glyph(last_gl_font_rid) + (cut_per_word ? whitespace_adv.x : 0);
}
int ell_min_characters = 6;
@@ -1733,12 +1773,12 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl
for (int i = glyphs_from; i != glyphs_to; i += glyphs_delta) {
if (!is_rtl) {
- width -= sd_glyphs[i].advance;
+ width -= sd_glyphs[i].advance * sd_glyphs[i].repeat;
}
if (sd_glyphs[i].count > 0) {
bool above_min_char_treshold = ((is_rtl) ? sd_size - 1 - i : i) >= ell_min_characters;
- if (width + (((above_min_char_treshold && add_ellipsis) || enforce_ellipsis) ? ellipsis_advance : 0) <= p_width) {
+ if (width + (((above_min_char_treshold && add_ellipsis) || enforce_ellipsis) ? ellipsis_width : 0) <= p_width) {
if (cut_per_word && above_min_char_treshold) {
if ((sd_glyphs[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) {
last_valid_cut = i;
@@ -1751,7 +1791,7 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl
if (found) {
trim_pos = last_valid_cut;
- if (above_min_char_treshold && width - ellipsis_advance <= p_width) {
+ if (add_ellipsis && (above_min_char_treshold || enforce_ellipsis) && width - ellipsis_width <= p_width) {
ellipsis_pos = trim_pos;
}
break;
@@ -1759,18 +1799,21 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl
}
}
if (is_rtl) {
- width -= sd_glyphs[i].advance;
+ width -= sd_glyphs[i].advance * sd_glyphs[i].repeat;
}
}
+ sd->overrun_trim_data.trim_pos = trim_pos;
+ sd->overrun_trim_data.ellipsis_pos = ellipsis_pos;
+ if (trim_pos == 0 && enforce_ellipsis && add_ellipsis) {
+ sd->overrun_trim_data.ellipsis_pos = 0;
+ }
+
if ((trim_pos >= 0 && sd->width > p_width) || enforce_ellipsis) {
- int added_glyphs = 0;
if (add_ellipsis && (ellipsis_pos > 0 || enforce_ellipsis)) {
// Insert an additional space when cutting word bound for aesthetics.
if (cut_per_word && (ellipsis_pos > 0)) {
TextServer::Glyph gl;
- gl.start = sd_glyphs[ellipsis_pos].start;
- gl.end = sd_glyphs[ellipsis_pos].end;
gl.count = 1;
gl.advance = whitespace_adv.x;
gl.index = whitespace_gl_idx;
@@ -1778,68 +1821,33 @@ void TextServerAdvanced::shaped_text_overrun_trim_to_width(RID p_shaped_line, fl
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);
- // Optimized glyph insertion by replacing a glyph whenever possible.
- int glyph_idx = trim_pos + ((is_rtl) ? (-added_glyphs - 1) : added_glyphs);
- if (is_rtl) {
- if (glyph_idx < 0) {
- sd->glyphs.insert(0, gl);
- } else {
- sd->glyphs.set(glyph_idx, gl);
- }
- } else {
- if (glyph_idx > (sd_size - 1)) {
- sd->glyphs.append(gl);
- } else {
- sd->glyphs.set(glyph_idx, gl);
- }
- }
- added_glyphs++;
+ sd->overrun_trim_data.ellipsis_glyph_buf.append(gl);
}
// Add ellipsis dots.
- for (int d = 0; d < 3; d++) {
- TextServer::Glyph gl;
- gl.start = sd_glyphs[ellipsis_pos].start;
- gl.end = sd_glyphs[ellipsis_pos].end;
- gl.count = 1;
- 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);
-
- // Optimized glyph insertion by replacing a glyph whenever possible.
- int glyph_idx = trim_pos + ((is_rtl) ? (-added_glyphs - 1) : added_glyphs);
- if (is_rtl) {
- if (glyph_idx < 0) {
- sd->glyphs.insert(0, gl);
- } else {
- sd->glyphs.set(glyph_idx, gl);
- }
- } else {
- if (glyph_idx > (sd_size - 1)) {
- sd->glyphs.append(gl);
- } else {
- sd->glyphs.set(glyph_idx, gl);
- }
- }
- added_glyphs++;
- }
- }
-
- // Cut the remaining glyphs off.
- if (!is_rtl) {
- sd->glyphs.resize(trim_pos + added_glyphs);
- } else {
- if (trim_pos - added_glyphs >= 0) {
- sd->glyphs = sd->glyphs.subarray(trim_pos - added_glyphs, sd->glyphs.size() - 1);
- }
+ TextServer::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);
}
- // Update to correct width.
- sd->width = width + ((ellipsis_pos != -1) ? ellipsis_advance : 0);
+ sd->text_trimmed = true;
+ sd->width_trimmed = width + ((ellipsis_pos != -1) ? ellipsis_width : 0);
}
}
+TextServer::TrimData TextServerAdvanced::shaped_text_get_trim_data(RID p_shaped) const {
+ _THREAD_SAFE_METHOD_
+ ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped);
+ ERR_FAIL_COND_V_MSG(!sd, TrimData(), "ShapedTextDataAdvanced invalid.");
+ return sd->overrun_trim_data;
+}
+
bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
_THREAD_SAFE_METHOD_
ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped);
@@ -1866,7 +1874,7 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
int r_end = sd->spans[i].end;
UBreakIterator *bi = ubrk_open(UBRK_LINE, language.ascii().get_data(), data + _convert_pos_inv(sd, r_start), _convert_pos_inv(sd, r_end - r_start), &err);
if (U_FAILURE(err)) {
- //No data loaded - use fallback.
+ // No data loaded - use fallback.
for (int j = r_start; j < r_end; j++) {
char32_t c = sd->text[j - sd->start];
if (is_whitespace(c)) {
@@ -1930,7 +1938,7 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
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;
- sd->glyphs.insert(i + sd_glyphs[i].count, gl); // insert after
+ sd->glyphs.insert(i + sd_glyphs[i].count, gl); // Insert after.
// Update write pointer and size.
sd_size = sd->glyphs.size();
@@ -2050,7 +2058,7 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
UErrorCode err = U_ZERO_ERROR;
UBreakIterator *bi = ubrk_open(UBRK_WORD, "", data, data_size, &err);
if (U_FAILURE(err)) {
- // No data - use fallback
+ // No data - use fallback.
int limit = 0;
for (int i = 0; i < sd->text.length(); i++) {
if (is_whitespace(data[i])) {
@@ -2123,7 +2131,7 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
gl.font_rid = sd->glyphs[i].font_rid;
gl.font_size = sd->glyphs[i].font_size;
gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_VIRTUAL;
- sd->glyphs.insert(i + sd->glyphs[i].count, gl); // insert after
+ sd->glyphs.insert(i + sd->glyphs[i].count, gl); // Insert after.
i += sd->glyphs[i].count;
continue;
}
@@ -2189,7 +2197,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
int fs = p_sd->spans[p_span].font_size;
if (fd == nullptr) {
- // Add fallback glyphs
+ // Add fallback glyphs.
for (int i = p_start; i < p_end; i++) {
if (p_sd->preserve_invalid || (p_sd->preserve_control && is_control(p_sd->text[i]))) {
TextServer::Glyph gl;
@@ -2332,7 +2340,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
w[last_cluster_index].flags |= GRAPHEME_IS_VALID;
}
- //Fallback.
+ // Fallback.
int failed_subrun_start = p_end + 1;
int failed_subrun_end = p_start;
@@ -2677,9 +2685,9 @@ Size2 TextServerAdvanced::shaped_text_get_size(RID p_shaped) const {
const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped);
}
if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) {
- return Size2(sd->width, sd->ascent + sd->descent);
+ return Size2((sd->text_trimmed ? sd->width_trimmed : sd->width), sd->ascent + sd->descent);
} else {
- return Size2(sd->ascent + sd->descent, sd->width);
+ return Size2(sd->ascent + sd->descent, (sd->text_trimmed ? sd->width_trimmed : sd->width));
}
}
@@ -2710,7 +2718,7 @@ float TextServerAdvanced::shaped_text_get_width(RID p_shaped) const {
if (!sd->valid) {
const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped);
}
- return sd->width;
+ return (sd->text_trimmed ? sd->width_trimmed : sd->width);
}
float TextServerAdvanced::shaped_text_get_underline_position(RID p_shaped) const {
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-18 11:35:02 +0000