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Various text layout improvements (TextLine, TextParagraph, Label, TextServer)

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This commit is contained in:
Hendrik Brucker 2021-08-11 00:09:48 +02:00
parent 33fd41472c
commit 403f4902d0
15 changed files with 736 additions and 391 deletions
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18
doc/classes/TextLine.xml
View File

@ -162,10 +162,28 @@
<member name="preserve_invalid" type="bool" setter="set_preserve_invalid" getter="get_preserve_invalid" default="true">
If set to [code]true[/code] text will display invalid characters.
</member>
<member name="text_overrun_behavior" type="int" setter="set_text_overrun_behavior" getter="get_text_overrun_behavior" enum="TextLine.OverrunBehavior" default="3">
Sets the clipping behavior when the text exceeds the text line's set width. See [enum OverrunBehavior] for a description of all modes.
</member>
<member name="width" type="float" setter="set_width" getter="get_width" default="-1.0">
Text line width.
</member>
</members>
<constants>
<constant name="OVERRUN_NO_TRIMMING" value="0" enum="OverrunBehavior">
No text trimming is performed.
</constant>
<constant name="OVERRUN_TRIM_CHAR" value="1" enum="OverrunBehavior">
Trims the text per character.
</constant>
<constant name="OVERRUN_TRIM_WORD" value="2" enum="OverrunBehavior">
Trims the text per word.
</constant>
<constant name="OVERRUN_TRIM_ELLIPSIS" value="3" enum="OverrunBehavior">
Trims the text per character and adds an ellipsis to indicate that parts are hidden.
</constant>
<constant name="OVERRUN_TRIM_WORD_ELLIPSIS" value="4" enum="OverrunBehavior">
Trims the text per word and adds an ellipsis to indicate that parts are hidden.
</constant>
</constants>
</class>

21
doc/classes/TextParagraph.xml
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@ -284,6 +284,9 @@
<member name="flags" type="int" setter="set_flags" getter="get_flags" default="51">
Line breaking and alignment rules. For more info see [TextServer].
</member>
<member name="max_lines_visible" type="int" setter="set_max_lines_visible" getter="get_max_lines_visible" default="-1">
Limits the lines of text shown.
</member>
<member name="orientation" type="int" setter="set_orientation" getter="get_orientation" enum="TextServer.Orientation" default="0">
Text orientation.
</member>
@ -293,10 +296,28 @@
<member name="preserve_invalid" type="bool" setter="set_preserve_invalid" getter="get_preserve_invalid" default="true">
If set to [code]true[/code] text will display invalid characters.
</member>
<member name="text_overrun_behavior" type="int" setter="set_text_overrun_behavior" getter="get_text_overrun_behavior" enum="TextParagraph.OverrunBehavior" default="0">
Sets the clipping behavior when the text exceeds the paragraph's set width. See [enum OverrunBehavior] for a description of all modes.
</member>
<member name="width" type="float" setter="set_width" getter="get_width" default="-1.0">
Paragraph width.
</member>
</members>
<constants>
<constant name="OVERRUN_NO_TRIMMING" value="0" enum="OverrunBehavior">
No text trimming is performed.
</constant>
<constant name="OVERRUN_TRIM_CHAR" value="1" enum="OverrunBehavior">
Trims the text per character.
</constant>
<constant name="OVERRUN_TRIM_WORD" value="2" enum="OverrunBehavior">
Trims the text per word.
</constant>
<constant name="OVERRUN_TRIM_ELLIPSIS" value="3" enum="OverrunBehavior">
Trims the text per character and adds an ellipsis to indicate that parts are hidden.
</constant>
<constant name="OVERRUN_TRIM_WORD_ELLIPSIS" value="4" enum="OverrunBehavior">
Trims the text per word and adds an ellipsis to indicate that parts are hidden.
</constant>
</constants>
</class>

4
modules/gdnative/text/text_server_gdnative.cpp
View File

@ -498,9 +498,9 @@ bool TextServerGDNative::shaped_text_update_justification_ops(RID p_shaped) {
return interface->shaped_text_update_justification_ops(data, (godot_rid *)&p_shaped);
}
void TextServerGDNative::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint8_t p_clip_flags) {
void TextServerGDNative::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint8_t p_trim_flags) {
ERR_FAIL_COND(interface == nullptr);
interface->shaped_text_overrun_trim_to_width(data, (godot_rid *)&p_shaped_line, p_width, p_clip_flags);
interface->shaped_text_overrun_trim_to_width(data, (godot_rid *)&p_shaped_line, p_width, p_trim_flags);
};
bool TextServerGDNative::shaped_text_is_ready(RID p_shaped) const {

2
modules/gdnative/text/text_server_gdnative.h
View File

@ -167,7 +167,7 @@ public:
virtual bool shaped_text_update_breaks(RID p_shaped) override;
virtual bool shaped_text_update_justification_ops(RID p_shaped) override;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_clip_flags) override;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_trim_flags) override;
virtual bool shaped_text_is_ready(RID p_shaped) const override;

188
modules/text_server_adv/text_server_adv.cpp
View File

@ -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);
@ -1363,7 +1365,7 @@ 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);
@ -1518,6 +1520,7 @@ 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;
@ -1546,14 +1549,26 @@ 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;
}
@ -1574,7 +1589,7 @@ 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) {
@ -1582,34 +1597,50 @@ 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);
}
sd->width += (gl.advance - old_adv);
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;
}
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;
}
@ -1662,7 +1693,7 @@ 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.");
@ -1670,13 +1701,22 @@ 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;
}
@ -1688,9 +1728,9 @@ 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;
@ -1710,12 +1750,12 @@ 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;
@ -1728,7 +1768,7 @@ 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;
@ -1736,18 +1776,21 @@ 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;
@ -1755,68 +1798,33 @@ 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);
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);
// 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);
}
// 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);
}
}
// 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);
@ -1843,7 +1851,7 @@ 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)) {
@ -1907,7 +1915,7 @@ 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();
@ -2027,7 +2035,7 @@ 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])) {
@ -2100,7 +2108,7 @@ 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;
}
@ -2166,7 +2174,7 @@ 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;
@ -2309,7 +2317,7 @@ 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;
@ -2643,9 +2651,9 @@ 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));
}
}
@ -2676,7 +2684,7 @@ 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 {

3
modules/text_server_adv/text_server_adv.h
View File

@ -229,7 +229,8 @@ public:
virtual bool shaped_text_update_breaks(RID p_shaped) override;
virtual bool shaped_text_update_justification_ops(RID p_shaped) override;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_clip_flags) override;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_trim_flags) override;
virtual TrimData shaped_text_get_trim_data(RID p_shaped) const override;
virtual bool shaped_text_is_ready(RID p_shaped) const override;

131
modules/text_server_fb/text_server_fb.cpp
View File

@ -570,7 +570,7 @@ void TextServerFallback::shaped_text_set_orientation(RID p_shaped, TextServer::O
}
void TextServerFallback::shaped_text_set_bidi_override(RID p_shaped, const Vector<Vector2i> &p_override) {
//No BiDi support, ignore.
// No BiDi support, ignore.
}
TextServer::Orientation TextServerFallback::shaped_text_get_orientation(RID p_shaped) const {
@ -1148,7 +1148,7 @@ bool TextServerFallback::shaped_text_update_justification_ops(RID p_shaped) {
return true;
}
void TextServerFallback::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint8_t p_clip_flags) {
void TextServerFallback::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint8_t p_trim_flags) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped_line);
ERR_FAIL_COND_MSG(!sd, "ShapedTextDataAdvanced invalid.");
@ -1156,13 +1156,22 @@ void TextServerFallback::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;
}
@ -1174,34 +1183,27 @@ void TextServerFallback::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;
float width = sd->width;
bool is_rtl = sd->direction == DIRECTION_RTL || (sd->direction == DIRECTION_AUTO && sd->para_direction == DIRECTION_RTL);
int trim_pos = (is_rtl) ? sd_size : 0;
int trim_pos = 0;
int ellipsis_pos = (enforce_ellipsis) ? 0 : -1;
int last_valid_cut = 0;
bool found = false;
int glyphs_from = (is_rtl) ? 0 : sd_size - 1;
int glyphs_to = (is_rtl) ? sd_size - 1 : -1;
int glyphs_delta = (is_rtl) ? +1 : -1;
for (int i = sd_size - 1; i != -1; i--) {
width -= sd_glyphs[i].advance * sd_glyphs[i].repeat;
for (int i = glyphs_from; i != glyphs_to; i += glyphs_delta) {
if (!is_rtl) {
width -= sd_glyphs[i].advance;
}
if (sd_glyphs[i].count > 0) {
bool above_min_char_treshold = ((is_rtl) ? sd_size - 1 - i : i) >= ell_min_characters;
bool above_min_char_treshold = (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;
@ -1214,95 +1216,60 @@ void TextServerFallback::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;
}
}
}
if (is_rtl) {
width -= sd_glyphs[i].advance;
}
}
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;
gl.font_rid = last_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);
gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL;
// Optimized glyph insertion by replacing a glyph whenever possible.
int glyph_idx = trim_pos + ((is_rtl) ? -added_glyphs : 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);
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;
// Optimized glyph insertion by replacing a glyph whenever possible.
int glyph_idx = trim_pos + ((is_rtl) ? -added_glyphs : 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);
}
// Cut the remaining glyphs off.
if (!is_rtl) {
sd->glyphs.resize(trim_pos + added_glyphs);
} else {
for (int ridx = 0; ridx <= trim_pos - added_glyphs; ridx++) {
sd->glyphs.remove(0);
}
}
// 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 TextServerFallback::shaped_text_get_trim_data(RID p_shaped) const {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V_MSG(!sd, TrimData(), "ShapedTextDataAdvanced invalid.");
return sd->overrun_trim_data;
}
bool TextServerFallback::shaped_text_shape(RID p_shaped) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);

3
modules/text_server_fb/text_server_fb.h
View File

@ -178,7 +178,8 @@ public:
virtual bool shaped_text_update_breaks(RID p_shaped) override;
virtual bool shaped_text_update_justification_ops(RID p_shaped) override;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_clip_flags) override;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_trim_flags) override;
virtual TrimData shaped_text_get_trim_data(RID p_shaped) const override;
virtual bool shaped_text_is_ready(RID p_shaped) const override;

232
scene/gui/label.cpp
View File

@ -95,7 +95,6 @@ void Label::_shape() {
lines_dirty = true;
}
uint8_t overrun_flags = TextServer::OVERRUN_NO_TRIMMING;
if (lines_dirty) {
for (int i = 0; i < lines_rid.size(); i++) {
TS->free(lines_rid[i]);
@ -116,53 +115,19 @@ void Label::_shape() {
case AUTOWRAP_OFF:
break;
}
Vector<Vector2i> lines = TS->shaped_text_get_line_breaks(text_rid, width, 0, autowrap_flags);
for (int i = 0; i < lines.size(); i++) {
RID line = TS->shaped_text_substr(text_rid, lines[i].x, lines[i].y - lines[i].x);
switch (overrun_behavior) {
case OVERRUN_TRIM_WORD_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_WORD:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
break;
case OVERRUN_TRIM_CHAR:
overrun_flags |= TextServer::OVERRUN_TRIM;
break;
case OVERRUN_NO_TRIMMING:
break;
}
if (autowrap_mode == AUTOWRAP_OFF && align != ALIGN_FILL && overrun_behavior != OVERRUN_NO_TRIMMING) {
TS->shaped_text_overrun_trim_to_width(line, width, overrun_flags);
}
Vector<Vector2i> line_breaks = TS->shaped_text_get_line_breaks(text_rid, width, 0, autowrap_flags);
for (int i = 0; i < line_breaks.size(); i++) {
RID line = TS->shaped_text_substr(text_rid, line_breaks[i].x, line_breaks[i].y - line_breaks[i].x);
lines_rid.push_back(line);
}
if (autowrap_mode != AUTOWRAP_OFF && overrun_behavior != OVERRUN_NO_TRIMMING) {
int visible_lines = get_visible_line_count();
if (visible_lines < lines_rid.size() && visible_lines > 0) {
overrun_flags |= TextServer::OVERRUN_ENFORCE_ELLIPSIS;
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
}
}
if (xl_text.length() == 0) {
minsize = Size2(1, get_line_height());
return;
}
if (autowrap_mode == AUTOWRAP_OFF) {
minsize.width = 0.0f;
for (int i = 0; i < lines_rid.size(); i++) {
@ -173,19 +138,59 @@ void Label::_shape() {
}
if (lines_dirty) {
uint8_t overrun_flags = TextServer::OVERRUN_NO_TRIMMING;
switch (overrun_behavior) {
case OVERRUN_TRIM_WORD_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_WORD:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
break;
case OVERRUN_TRIM_CHAR:
overrun_flags |= TextServer::OVERRUN_TRIM;
break;
case OVERRUN_NO_TRIMMING:
break;
}
// Fill after min_size calculation.
if (align == ALIGN_FILL) {
for (int i = 0; i < lines_rid.size(); i++) {
if (overrun_behavior != OVERRUN_NO_TRIMMING && autowrap_mode == AUTOWRAP_OFF) {
float line_unaltered_width = TS->shaped_text_get_width(lines_rid[i]);
TS->shaped_text_fit_to_width(lines_rid[i], width);
float new_line_width = TS->shaped_text_get_width(lines_rid[i]);
// Begin trimming when there is no space between words available anymore.
if (new_line_width < line_unaltered_width) {
TS->shaped_text_overrun_trim_to_width(lines_rid[i], width, overrun_flags);
if (autowrap_mode != AUTOWRAP_OFF) {
int visible_lines = get_visible_line_count();
bool lines_hidden = visible_lines > 0 && visible_lines < lines_rid.size();
if (lines_hidden) {
overrun_flags |= TextServer::OVERRUN_ENFORCE_ELLIPSIS;
}
if (align == ALIGN_FILL) {
for (int i = 0; i < lines_rid.size(); i++) {
if (i < visible_lines - 1 || lines_rid.size() == 1) {
TS->shaped_text_fit_to_width(lines_rid[i], width);
} else if (i == (visible_lines - 1)) {
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
} else {
}
} else if (lines_hidden) {
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
} else {
// Autowrap disabled.
for (int i = 0; i < lines_rid.size(); i++) {
if (align == ALIGN_FILL) {
TS->shaped_text_fit_to_width(lines_rid[i], width);
overrun_flags |= TextServer::OVERRUN_JUSTIFICATION_AWARE;
TS->shaped_text_overrun_trim_to_width(lines_rid[i], width, overrun_flags);
TS->shaped_text_fit_to_width(lines_rid[i], width, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_CONSTRAIN_ELLIPSIS);
} else {
TS->shaped_text_overrun_trim_to_width(lines_rid[i], width, overrun_flags);
}
}
}
@ -219,11 +224,30 @@ void Label::_update_visible() {
}
}
inline void draw_glyph(const TextServer::Glyph &p_gl, const RID &p_canvas, const Color &p_font_color, const Color &p_font_shadow_color, const Color &p_font_outline_color, const int &p_shadow_outline_size, const int &p_outline_size, const Vector2 &p_ofs, const Vector2 &shadow_ofs) {
if (p_gl.font_rid != RID()) {
if (p_font_shadow_color.a > 0) {
TS->font_draw_glyph(p_gl.font_rid, p_canvas, p_gl.font_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off) + shadow_ofs, p_gl.index, p_font_shadow_color);
if (p_shadow_outline_size > 0) {
TS->font_draw_glyph_outline(p_gl.font_rid, p_canvas, p_gl.font_size, p_shadow_outline_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off) + Vector2(-shadow_ofs.x, shadow_ofs.y), p_gl.index, p_font_shadow_color);
TS->font_draw_glyph_outline(p_gl.font_rid, p_canvas, p_gl.font_size, p_shadow_outline_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off) + Vector2(shadow_ofs.x, -shadow_ofs.y), p_gl.index, p_font_shadow_color);
TS->font_draw_glyph_outline(p_gl.font_rid, p_canvas, p_gl.font_size, p_shadow_outline_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off) + Vector2(-shadow_ofs.x, -shadow_ofs.y), p_gl.index, p_font_shadow_color);
}
}
if (p_font_outline_color.a != 0.0 && p_outline_size > 0) {
TS->font_draw_glyph_outline(p_gl.font_rid, p_canvas, p_gl.font_size, p_outline_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off), p_gl.index, p_font_outline_color);
}
TS->font_draw_glyph(p_gl.font_rid, p_canvas, p_gl.font_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off), p_gl.index, p_font_color);
} else {
TS->draw_hex_code_box(p_canvas, p_gl.font_size, p_ofs + Vector2(p_gl.x_off, p_gl.y_off), p_gl.index, p_font_color);
}
}
void Label::_notification(int p_what) {
if (p_what == NOTIFICATION_TRANSLATION_CHANGED) {
String new_text = atr(text);
if (new_text == xl_text) {
return; //nothing new
return; // Nothing new.
}
xl_text = new_text;
dirty = true;
@ -253,7 +277,7 @@ void Label::_notification(int p_what) {
Color font_outline_color = get_theme_color(SNAME("font_outline_color"));
int outline_size = get_theme_constant(SNAME("outline_size"));
int shadow_outline_size = get_theme_constant(SNAME("shadow_outline_size"));
bool rtl = is_layout_rtl();
bool rtl = TS->shaped_text_get_direction(text_rid);
style->draw(ci, Rect2(Point2(0, 0), get_size()));
@ -286,7 +310,7 @@ void Label::_notification(int p_what) {
if (lines_visible > 0) {
switch (valign) {
case VALIGN_TOP: {
//nothing
// Nothing.
} break;
case VALIGN_CENTER: {
vbegin = (size.y - (total_h - line_spacing)) / 2;
@ -331,83 +355,84 @@ void Label::_notification(int p_what) {
Vector2 ofs;
ofs.y = style->get_offset().y + vbegin;
for (int i = lines_skipped; i < last_line; i++) {
Size2 line_size = TS->shaped_text_get_size(lines_rid[i]);
ofs.x = 0;
ofs.y += TS->shaped_text_get_ascent(lines_rid[i]) + font->get_spacing(Font::SPACING_TOP);
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
if (rtl) {
ofs.x = int(size.width - style->get_margin(SIDE_RIGHT) - TS->shaped_text_get_size(lines_rid[i]).x);
if (rtl && autowrap_mode != AUTOWRAP_OFF) {
ofs.x = int(size.width - style->get_margin(SIDE_RIGHT) - line_size.width);
} else {
ofs.x = style->get_offset().x;
}
break;
case ALIGN_LEFT: {
ofs.x = style->get_offset().x;
} break;
case ALIGN_CENTER: {
ofs.x = int(size.width - TS->shaped_text_get_size(lines_rid[i]).x) / 2;
ofs.x = int(size.width - line_size.width) / 2;
} break;
case ALIGN_RIGHT: {
if (rtl) {
ofs.x = style->get_offset().x;
} else {
ofs.x = int(size.width - style->get_margin(SIDE_RIGHT) - TS->shaped_text_get_size(lines_rid[i]).x);
}
ofs.x = int(size.width - style->get_margin(SIDE_RIGHT) - line_size.width);
} break;
}
const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(lines_rid[i]);
const TextServer::Glyph *glyphs = visual.ptr();
int gl_size = visual.size();
TextServer::TrimData trim_data = TS->shaped_text_get_trim_data(lines_rid[i]);
float x = ofs.x;
int outlines_drawn = glyhps_drawn;
// Draw RTL ellipsis string when necessary.
if (rtl && trim_data.ellipsis_pos >= 0) {
for (int gl_idx = trim_data.ellipsis_glyph_buf.size() - 1; gl_idx >= 0; gl_idx--) {
for (int j = 0; j < trim_data.ellipsis_glyph_buf[gl_idx].repeat; j++) {
//Draw glyph outlines and shadow.
draw_glyph(trim_data.ellipsis_glyph_buf[gl_idx], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, ofs, shadow_ofs);
ofs.x += trim_data.ellipsis_glyph_buf[gl_idx].advance;
}
}
}
// Draw main text.
for (int j = 0; j < gl_size; j++) {
for (int k = 0; k < glyphs[j].repeat; k++) {
if (glyphs[j].font_rid != RID()) {
if (font_shadow_color.a > 0) {
TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + shadow_ofs, glyphs[j].index, font_shadow_color);
if (shadow_outline_size > 0) {
//draw shadow
TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, shadow_outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + Vector2(-shadow_ofs.x, shadow_ofs.y), glyphs[j].index, font_shadow_color);
TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, shadow_outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + Vector2(shadow_ofs.x, -shadow_ofs.y), glyphs[j].index, font_shadow_color);
TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, shadow_outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + Vector2(-shadow_ofs.x, -shadow_ofs.y), glyphs[j].index, font_shadow_color);
if (visible_glyphs != -1) {
if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
if (glyhps_drawn >= visible_glyphs) {
return;
}
}
if (font_outline_color.a != 0.0 && outline_size > 0) {
TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_outline_color);
}
// Trim when necessary.
if (trim_data.trim_pos >= 0) {
if (rtl) {
if (j < trim_data.trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
continue;
}
} else {
if (j >= trim_data.trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
break;
}
}
}
// Draw glyph outlines and shadow.
draw_glyph(glyphs[j], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, ofs, shadow_ofs);
ofs.x += glyphs[j].advance;
glyhps_drawn++;
}
if (visible_glyphs != -1) {
if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
outlines_drawn++;
if (outlines_drawn >= visible_glyphs) {
break;
}
}
// Draw LTR ellipsis string when necessary.
if (!rtl && trim_data.ellipsis_pos >= 0) {
for (int gl_idx = 0; gl_idx < trim_data.ellipsis_glyph_buf.size(); gl_idx++) {
for (int j = 0; j < trim_data.ellipsis_glyph_buf[gl_idx].repeat; j++) {
//Draw glyph outlines and shadow.
draw_glyph(trim_data.ellipsis_glyph_buf[gl_idx], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, ofs, shadow_ofs);
ofs.x += trim_data.ellipsis_glyph_buf[gl_idx].advance;
}
}
}
ofs.x = x;
for (int j = 0; j < gl_size; j++) {
for (int k = 0; k < glyphs[j].repeat; k++) {
if (glyphs[j].font_rid != RID()) {
TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_color);
} else if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
TS->draw_hex_code_box(ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_color);
}
ofs.x += glyphs[j].advance;
}
if (visible_glyphs != -1) {
if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
glyhps_drawn++;
if (glyhps_drawn >= visible_glyphs) {
return;
}
}
}
}
ofs.y += TS->shaped_text_get_descent(lines_rid[i]) + vsep + line_spacing + font->get_spacing(Font::SPACING_BOTTOM);
}
}
@ -624,6 +649,9 @@ void Label::set_visible_characters(int p_amount) {
} else {
percent_visible = 1.0;
}
if (p_amount == -1) {
lines_dirty = true;
}
update();
}
@ -635,7 +663,7 @@ void Label::set_percent_visible(float p_percent) {
if (p_percent < 0 || p_percent >= 1) {
visible_chars = -1;
percent_visible = 1;
lines_dirty = true;
} else {
visible_chars = get_total_character_count() * p_percent;
percent_visible = p_percent;
@ -793,7 +821,7 @@ void Label::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "valign", PROPERTY_HINT_ENUM, "Top,Center,Bottom,Fill"), "set_valign", "get_valign");
ADD_PROPERTY(PropertyInfo(Variant::INT, "autowrap_mode", PROPERTY_HINT_ENUM, "Off,Arbitrary,Word,Word (Smart)"), "set_autowrap_mode", "get_autowrap_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "is_clipping_text");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim nothing,Trim characters,Trim words,Ellipsis,Word ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim Nothing,Trim Characters,Trim Words,Ellipsis,Word Ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase");
ADD_PROPERTY(PropertyInfo(Variant::INT, "visible_characters", PROPERTY_HINT_RANGE, "-1,128000,1", PROPERTY_USAGE_EDITOR), "set_visible_characters", "get_visible_characters");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "percent_visible", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_percent_visible", "get_percent_visible");

57
scene/resources/text_line.cpp
View File

@ -76,6 +76,11 @@ void TextLine::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Kashida Justify,Word Justify,Trim Edge Spaces After Justify,Justify Only After Last Tab"), "set_flags", "get_flags");
ClassDB::bind_method(D_METHOD("set_text_overrun_behavior", "overrun_behavior"), &TextLine::set_text_overrun_behavior);
ClassDB::bind_method(D_METHOD("get_text_overrun_behavior"), &TextLine::get_text_overrun_behavior);
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim Nothing,Trim Characters,Trim Words,Ellipsis,Word Ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
ClassDB::bind_method(D_METHOD("get_objects"), &TextLine::get_objects);
ClassDB::bind_method(D_METHOD("get_object_rect", "key"), &TextLine::get_object_rect);
@ -93,6 +98,12 @@ void TextLine::_bind_methods() {
ClassDB::bind_method(D_METHOD("draw_outline", "canvas", "pos", "outline_size", "color"), &TextLine::draw_outline, DEFVAL(1), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("hit_test", "coords"), &TextLine::hit_test);
BIND_ENUM_CONSTANT(OVERRUN_NO_TRIMMING);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_CHAR);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_ELLIPSIS);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD_ELLIPSIS);
}
void TextLine::_shape() {
@ -100,7 +111,38 @@ void TextLine::_shape() {
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(rid, tab_stops);
}
if (align == HALIGN_FILL) {
uint8_t overrun_flags = TextServer::OVERRUN_NO_TRIMMING;
if (overrun_behavior != OVERRUN_NO_TRIMMING) {
switch (overrun_behavior) {
case OVERRUN_TRIM_WORD_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_WORD:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
break;
case OVERRUN_TRIM_CHAR:
overrun_flags |= TextServer::OVERRUN_TRIM;
break;
case OVERRUN_NO_TRIMMING:
break;
}
if (align == HALIGN_FILL) {
TS->shaped_text_fit_to_width(rid, width, flags);
overrun_flags |= TextServer::OVERRUN_JUSTIFICATION_AWARE;
TS->shaped_text_overrun_trim_to_width(rid, width, overrun_flags);
} else {
TS->shaped_text_overrun_trim_to_width(rid, width, overrun_flags);
}
} else if (align == HALIGN_FILL) {
TS->shaped_text_fit_to_width(rid, width, flags);
}
dirty = false;
@ -225,9 +267,20 @@ uint8_t TextLine::get_flags() const {
return flags;
}
void TextLine::set_text_overrun_behavior(TextLine::OverrunBehavior p_behavior) {
if (overrun_behavior != p_behavior) {
overrun_behavior = p_behavior;
dirty = true;
}
}
TextLine::OverrunBehavior TextLine::get_text_overrun_behavior() const {
return overrun_behavior;
}
void TextLine::set_width(float p_width) {
width = p_width;
if (align == HALIGN_FILL) {
if (align == HALIGN_FILL || overrun_behavior != OVERRUN_NO_TRIMMING) {
dirty = true;
}
}

16
scene/resources/text_line.h
View File

@ -39,6 +39,16 @@
class TextLine : public RefCounted {
GDCLASS(TextLine, RefCounted);
public:
enum OverrunBehavior {
OVERRUN_NO_TRIMMING,
OVERRUN_TRIM_CHAR,
OVERRUN_TRIM_WORD,
OVERRUN_TRIM_ELLIPSIS,
OVERRUN_TRIM_WORD_ELLIPSIS,
};
private:
RID rid;
int spacing_top = 0;
int spacing_bottom = 0;
@ -48,6 +58,7 @@ class TextLine : public RefCounted {
float width = -1.0;
uint8_t flags = TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA;
HAlign align = HALIGN_LEFT;
OverrunBehavior overrun_behavior = OVERRUN_TRIM_ELLIPSIS;
Vector<float> tab_stops;
@ -87,6 +98,9 @@ public:
void set_flags(uint8_t p_flags);
uint8_t get_flags() const;
void set_text_overrun_behavior(OverrunBehavior p_behavior);
OverrunBehavior get_text_overrun_behavior() const;
void set_width(float p_width);
float get_width() const;
@ -113,4 +127,6 @@ public:
~TextLine();
};
VARIANT_ENUM_CAST(TextLine::OverrunBehavior);
#endif // TEXT_LINE_H

316
scene/resources/text_paragraph.cpp
View File

@ -74,6 +74,11 @@ void TextParagraph::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Kashida Justify,Word Justify,Trim Edge Spaces After Justify,Justify Only After Last Tab,Break Mandatory,Break Words,Break Graphemes"), "set_flags", "get_flags");
ClassDB::bind_method(D_METHOD("set_text_overrun_behavior", "overrun_behavior"), &TextParagraph::set_text_overrun_behavior);
ClassDB::bind_method(D_METHOD("get_text_overrun_behavior"), &TextParagraph::get_text_overrun_behavior);
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim Nothing,Trim Characters,Trim Words,Ellipsis,Word Ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
ClassDB::bind_method(D_METHOD("set_width", "width"), &TextParagraph::set_width);
ClassDB::bind_method(D_METHOD("get_width"), &TextParagraph::get_width);
@ -88,6 +93,11 @@ void TextParagraph::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_line_count"), &TextParagraph::get_line_count);
ClassDB::bind_method(D_METHOD("set_max_lines_visible", "max_lines_visible"), &TextParagraph::set_max_lines_visible);
ClassDB::bind_method(D_METHOD("get_max_lines_visible"), &TextParagraph::get_max_lines_visible);
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_lines_visible"), "set_max_lines_visible", "get_max_lines_visible");
ClassDB::bind_method(D_METHOD("get_line_objects", "line"), &TextParagraph::get_line_objects);
ClassDB::bind_method(D_METHOD("get_line_object_rect", "line", "key"), &TextParagraph::get_line_object_rect);
ClassDB::bind_method(D_METHOD("get_line_size", "line"), &TextParagraph::get_line_size);
@ -114,14 +124,20 @@ void TextParagraph::_bind_methods() {
ClassDB::bind_method(D_METHOD("draw_dropcap_outline", "canvas", "pos", "outline_size", "color"), &TextParagraph::draw_dropcap_outline, DEFVAL(1), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("hit_test", "coords"), &TextParagraph::hit_test);
BIND_ENUM_CONSTANT(OVERRUN_NO_TRIMMING);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_CHAR);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_ELLIPSIS);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD_ELLIPSIS);
}
void TextParagraph::_shape_lines() {
if (dirty_lines) {
for (int i = 0; i < lines.size(); i++) {
TS->free(lines[i]);
if (lines_dirty) {
for (int i = 0; i < lines_rid.size(); i++) {
TS->free(lines_rid[i]);
}
lines.clear();
lines_rid.clear();
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(rid, tab_stops);
@ -153,13 +169,10 @@ void TextParagraph::_shape_lines() {
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(line, tab_stops);
}
if (align == HALIGN_FILL && (line_breaks.size() == 1 || i < line_breaks.size() - 1)) {
TS->shaped_text_fit_to_width(line, width - h_offset, flags);
}
dropcap_lines++;
v_offset -= h;
start = line_breaks[i].y;
lines.push_back(line);
lines_rid.push_back(line);
}
}
// Use fixed for the rest of lines.
@ -169,12 +182,69 @@ void TextParagraph::_shape_lines() {
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(line, tab_stops);
}
if (align == HALIGN_FILL && (line_breaks.size() == 1 || i < line_breaks.size() - 1)) {
TS->shaped_text_fit_to_width(line, width, flags);
}
lines.push_back(line);
lines_rid.push_back(line);
}
dirty_lines = false;
uint8_t overrun_flags = TextServer::OVERRUN_NO_TRIMMING;
if (overrun_behavior != OVERRUN_NO_TRIMMING) {
switch (overrun_behavior) {
case OVERRUN_TRIM_WORD_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_ELLIPSIS:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
break;
case OVERRUN_TRIM_WORD:
overrun_flags |= TextServer::OVERRUN_TRIM;
overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
break;
case OVERRUN_TRIM_CHAR:
overrun_flags |= TextServer::OVERRUN_TRIM;
break;
case OVERRUN_NO_TRIMMING:
break;
}
}
bool autowrap_enabled = ((flags & TextServer::BREAK_WORD_BOUND) == TextServer::BREAK_WORD_BOUND) || ((flags & TextServer::BREAK_GRAPHEME_BOUND) == TextServer::BREAK_GRAPHEME_BOUND);
// Fill after min_size calculation.
if (autowrap_enabled) {
int visible_lines = (max_lines_visible >= 0) ? MIN(max_lines_visible, lines_rid.size()) : lines_rid.size();
bool lines_hidden = visible_lines > 0 && visible_lines < lines_rid.size();
if (lines_hidden) {
overrun_flags |= TextServer::OVERRUN_ENFORCE_ELLIPSIS;
}
if (align == HALIGN_FILL) {
for (int i = 0; i < lines_rid.size(); i++) {
if (i < visible_lines - 1 || lines_rid.size() == 1) {
TS->shaped_text_fit_to_width(lines_rid[i], width, flags);
} else if (i == (visible_lines - 1)) {
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
}
} else if (lines_hidden) {
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
} else {
// Autowrap disabled.
for (int i = 0; i < lines_rid.size(); i++) {
if (align == HALIGN_FILL) {
TS->shaped_text_fit_to_width(lines_rid[i], width, flags);
overrun_flags |= TextServer::OVERRUN_JUSTIFICATION_AWARE;
TS->shaped_text_overrun_trim_to_width(lines_rid[i], width, overrun_flags);
TS->shaped_text_fit_to_width(lines_rid[i], width, flags | TextServer::JUSTIFICATION_CONSTRAIN_ELLIPSIS);
} else {
TS->shaped_text_overrun_trim_to_width(lines_rid[i], width, overrun_flags);
}
}
}
lines_dirty = false;
}
}
@ -184,8 +254,8 @@ RID TextParagraph::get_rid() const {
RID TextParagraph::get_line_rid(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), RID());
return lines[p_line];
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), RID());
return lines_rid[p_line];
}
RID TextParagraph::get_dropcap_rid() const {
@ -195,10 +265,10 @@ RID TextParagraph::get_dropcap_rid() const {
void TextParagraph::clear() {
spacing_top = 0;
spacing_bottom = 0;
for (int i = 0; i < lines.size(); i++) {
TS->free(lines[i]);
for (int i = 0; i < lines_rid.size(); i++) {
TS->free(lines_rid[i]);
}
lines.clear();
lines_rid.clear();
TS->shaped_text_clear(rid);
TS->shaped_text_clear(dropcap_rid);
}
@ -206,7 +276,7 @@ void TextParagraph::clear() {
void TextParagraph::set_preserve_invalid(bool p_enabled) {
TS->shaped_text_set_preserve_invalid(rid, p_enabled);
TS->shaped_text_set_preserve_invalid(dropcap_rid, p_enabled);
dirty_lines = true;
lines_dirty = true;
}
bool TextParagraph::get_preserve_invalid() const {
@ -216,7 +286,7 @@ bool TextParagraph::get_preserve_invalid() const {
void TextParagraph::set_preserve_control(bool p_enabled) {
TS->shaped_text_set_preserve_control(rid, p_enabled);
TS->shaped_text_set_preserve_control(dropcap_rid, p_enabled);
dirty_lines = true;
lines_dirty = true;
}
bool TextParagraph::get_preserve_control() const {
@ -226,7 +296,7 @@ bool TextParagraph::get_preserve_control() const {
void TextParagraph::set_direction(TextServer::Direction p_direction) {
TS->shaped_text_set_direction(rid, p_direction);
TS->shaped_text_set_direction(dropcap_rid, p_direction);
dirty_lines = true;
lines_dirty = true;
}
TextServer::Direction TextParagraph::get_direction() const {
@ -237,7 +307,7 @@ TextServer::Direction TextParagraph::get_direction() const {
void TextParagraph::set_orientation(TextServer::Orientation p_orientation) {
TS->shaped_text_set_orientation(rid, p_orientation);
TS->shaped_text_set_orientation(dropcap_rid, p_orientation);
dirty_lines = true;
lines_dirty = true;
}
TextServer::Orientation TextParagraph::get_orientation() const {
@ -250,14 +320,14 @@ bool TextParagraph::set_dropcap(const String &p_text, const Ref<Font> &p_fonts,
TS->shaped_text_clear(dropcap_rid);
dropcap_margins = p_dropcap_margins;
bool res = TS->shaped_text_add_string(dropcap_rid, p_text, p_fonts->get_rids(), p_size, p_opentype_features, p_language);
dirty_lines = true;
lines_dirty = true;
return res;
}
void TextParagraph::clear_dropcap() {
dropcap_margins = Rect2();
TS->shaped_text_clear(dropcap_rid);
dirty_lines = true;
lines_dirty = true;
}
bool TextParagraph::add_string(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language) {
@ -265,7 +335,7 @@ bool TextParagraph::add_string(const String &p_text, const Ref<Font> &p_fonts, i
bool res = TS->shaped_text_add_string(rid, p_text, p_fonts->get_rids(), p_size, p_opentype_features, p_language);
spacing_top = p_fonts->get_spacing(Font::SPACING_TOP);
spacing_bottom = p_fonts->get_spacing(Font::SPACING_BOTTOM);
dirty_lines = true;
lines_dirty = true;
return res;
}
@ -287,18 +357,18 @@ void TextParagraph::_set_bidi_override(const Array &p_override) {
void TextParagraph::set_bidi_override(const Vector<Vector2i> &p_override) {
TS->shaped_text_set_bidi_override(rid, p_override);
dirty_lines = true;
lines_dirty = true;
}
bool TextParagraph::add_object(Variant p_key, const Size2 &p_size, VAlign p_inline_align, int p_length) {
bool res = TS->shaped_text_add_object(rid, p_key, p_size, p_inline_align, p_length);
dirty_lines = true;
lines_dirty = true;
return res;
}
bool TextParagraph::resize_object(Variant p_key, const Size2 &p_size, VAlign p_inline_align) {
bool res = TS->shaped_text_resize_object(rid, p_key, p_size, p_inline_align);
dirty_lines = true;
lines_dirty = true;
return res;
}
@ -306,7 +376,7 @@ void TextParagraph::set_align(HAlign p_align) {
if (align != p_align) {
if (align == HALIGN_FILL || p_align == HALIGN_FILL) {
align = p_align;
dirty_lines = true;
lines_dirty = true;
} else {
align = p_align;
}
@ -319,13 +389,13 @@ HAlign TextParagraph::get_align() const {
void TextParagraph::tab_align(const Vector<float> &p_tab_stops) {
tab_stops = p_tab_stops;
dirty_lines = true;
lines_dirty = true;
}
void TextParagraph::set_flags(uint8_t p_flags) {
if (flags != p_flags) {
flags = p_flags;
dirty_lines = true;
lines_dirty = true;
}
}
@ -333,10 +403,21 @@ uint8_t TextParagraph::get_flags() const {
return flags;
}
void TextParagraph::set_text_overrun_behavior(TextParagraph::OverrunBehavior p_behavior) {
if (overrun_behavior != p_behavior) {
overrun_behavior = p_behavior;
lines_dirty = true;
}
}
TextParagraph::OverrunBehavior TextParagraph::get_text_overrun_behavior() const {
return overrun_behavior;
}
void TextParagraph::set_width(float p_width) {
if (width != p_width) {
width = p_width;
dirty_lines = true;
lines_dirty = true;
}
}
@ -356,9 +437,9 @@ Size2 TextParagraph::get_non_wraped_size() const {
Size2 TextParagraph::get_size() const {
const_cast<TextParagraph *>(this)->_shape_lines();
Size2 size;
for (int i = 0; i < lines.size(); i++) {
Size2 lsize = TS->shaped_text_get_size(lines[i]);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
for (int i = 0; i < lines_rid.size(); i++) {
Size2 lsize = TS->shaped_text_get_size(lines_rid[i]);
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
size.x = MAX(size.x, lsize.x);
size.y += lsize.y + spacing_top + spacing_bottom;
} else {
@ -371,22 +452,33 @@ Size2 TextParagraph::get_size() const {
int TextParagraph::get_line_count() const {
const_cast<TextParagraph *>(this)->_shape_lines();
return lines.size();
return lines_rid.size();
}
void TextParagraph::set_max_lines_visible(int p_lines) {
if (p_lines != max_lines_visible) {
max_lines_visible = p_lines;
lines_dirty = true;
}
}
int TextParagraph::get_max_lines_visible() const {
return max_lines_visible;
}
Array TextParagraph::get_line_objects(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Array());
return TS->shaped_text_get_objects(lines[p_line]);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), Array());
return TS->shaped_text_get_objects(lines_rid[p_line]);
}
Rect2 TextParagraph::get_line_object_rect(int p_line, Variant p_key) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Rect2());
Rect2 xrect = TS->shaped_text_get_object_rect(lines[p_line], p_key);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), Rect2());
Rect2 xrect = TS->shaped_text_get_object_rect(lines_rid[p_line], p_key);
for (int i = 0; i < p_line; i++) {
Size2 lsize = TS->shaped_text_get_size(lines[i]);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
Size2 lsize = TS->shaped_text_get_size(lines_rid[i]);
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
xrect.position.y += lsize.y + spacing_top + spacing_bottom;
} else {
xrect.position.x += lsize.x + spacing_top + spacing_bottom;
@ -397,48 +489,48 @@ Rect2 TextParagraph::get_line_object_rect(int p_line, Variant p_key) const {
Size2 TextParagraph::get_line_size(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Size2());
if (TS->shaped_text_get_orientation(lines[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
return Size2(TS->shaped_text_get_size(lines[p_line]).x, TS->shaped_text_get_size(lines[p_line]).y + spacing_top + spacing_bottom);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), Size2());
if (TS->shaped_text_get_orientation(lines_rid[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
return Size2(TS->shaped_text_get_size(lines_rid[p_line]).x, TS->shaped_text_get_size(lines_rid[p_line]).y + spacing_top + spacing_bottom);
} else {
return Size2(TS->shaped_text_get_size(lines[p_line]).x + spacing_top + spacing_bottom, TS->shaped_text_get_size(lines[p_line]).y);
return Size2(TS->shaped_text_get_size(lines_rid[p_line]).x + spacing_top + spacing_bottom, TS->shaped_text_get_size(lines_rid[p_line]).y);
}
}
Vector2i TextParagraph::get_line_range(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Vector2i());
return TS->shaped_text_get_range(lines[p_line]);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), Vector2i());
return TS->shaped_text_get_range(lines_rid[p_line]);
}
float TextParagraph::get_line_ascent(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), 0.f);
return TS->shaped_text_get_ascent(lines_rid[p_line]) + spacing_top;
}
float TextParagraph::get_line_descent(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_descent(lines[p_line]) + spacing_bottom;
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), 0.f);
return TS->shaped_text_get_descent(lines_rid[p_line]) + spacing_bottom;
}
float TextParagraph::get_line_width(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_width(lines[p_line]);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), 0.f);
return TS->shaped_text_get_width(lines_rid[p_line]);
}
float TextParagraph::get_line_underline_position(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_underline_position(lines[p_line]);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), 0.f);
return TS->shaped_text_get_underline_position(lines_rid[p_line]);
}
float TextParagraph::get_line_underline_thickness(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_underline_thickness(lines[p_line]);
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines_rid.size(), 0.f);
return TS->shaped_text_get_underline_thickness(lines_rid[p_line]);
}
Size2 TextParagraph::get_dropcap_size() const {
@ -472,11 +564,13 @@ void TextParagraph::draw(RID p_canvas, const Vector2 &p_pos, const Color &p_colo
TS->shaped_text_draw(dropcap_rid, p_canvas, dc_off + Vector2(0, TS->shaped_text_get_ascent(dropcap_rid) + dropcap_margins.size.y + dropcap_margins.position.y / 2), -1, -1, p_dc_color);
}
for (int i = 0; i < lines.size(); i++) {
int lines_visible = (max_lines_visible >= 0) ? MIN(max_lines_visible, lines_rid.size()) : lines_rid.size();
for (int i = 0; i < lines_visible; i++) {
float l_width = width;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
ofs.y += TS->shaped_text_get_ascent(lines_rid[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
@ -485,7 +579,7 @@ void TextParagraph::draw(RID p_canvas, const Vector2 &p_pos, const Color &p_colo
}
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
ofs.x += TS->shaped_text_get_ascent(lines_rid[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
@ -493,21 +587,29 @@ void TextParagraph::draw(RID p_canvas, const Vector2 &p_pos, const Color &p_colo
l_width -= h_offset;
}
}
float length = TS->shaped_text_get_width(lines[i]);
float length = TS->shaped_text_get_width(lines_rid[i]);
if (width > 0) {
switch (align) {
case HALIGN_FILL:
if (TS->shaped_text_get_direction(lines_rid[i]) == TextServer::DIRECTION_RTL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += l_width - length;
} else {
ofs.y += l_width - length;
}
}
break;
case HALIGN_LEFT:
break;
case HALIGN_CENTER: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += Math::floor((l_width - length) / 2.0);
} else {
ofs.y += Math::floor((l_width - length) / 2.0);
}
} break;
case HALIGN_RIGHT: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += l_width - length;
} else {
ofs.y += l_width - length;
@ -516,18 +618,18 @@ void TextParagraph::draw(RID p_canvas, const Vector2 &p_pos, const Color &p_colo
}
}
float clip_l;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
clip_l = MAX(0, p_pos.x - ofs.x);
} else {
clip_l = MAX(0, p_pos.y - ofs.y);
}
TS->shaped_text_draw(lines[i], p_canvas, ofs, clip_l, clip_l + l_width, p_color);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
TS->shaped_text_draw(lines_rid[i], p_canvas, ofs, clip_l, clip_l + l_width, p_color);
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
ofs.y += TS->shaped_text_get_descent(lines_rid[i]) + spacing_bottom;
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
ofs.x += TS->shaped_text_get_descent(lines_rid[i]) + spacing_bottom;
}
}
}
@ -556,11 +658,11 @@ void TextParagraph::draw_outline(RID p_canvas, const Vector2 &p_pos, int p_outli
TS->shaped_text_draw_outline(dropcap_rid, p_canvas, dc_off + Vector2(dropcap_margins.position.x, TS->shaped_text_get_ascent(dropcap_rid) + dropcap_margins.position.y), -1, -1, p_outline_size, p_dc_color);
}
for (int i = 0; i < lines.size(); i++) {
for (int i = 0; i < lines_rid.size(); i++) {
float l_width = width;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
ofs.y += TS->shaped_text_get_ascent(lines_rid[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
@ -569,7 +671,7 @@ void TextParagraph::draw_outline(RID p_canvas, const Vector2 &p_pos, int p_outli
}
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
ofs.x += TS->shaped_text_get_ascent(lines_rid[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
@ -577,21 +679,29 @@ void TextParagraph::draw_outline(RID p_canvas, const Vector2 &p_pos, int p_outli
l_width -= h_offset;
}
}
float length = TS->shaped_text_get_width(lines[i]);
float length = TS->shaped_text_get_width(lines_rid[i]);
if (width > 0) {
switch (align) {
case HALIGN_FILL:
if (TS->shaped_text_get_direction(lines_rid[i]) == TextServer::DIRECTION_RTL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += l_width - length;
} else {
ofs.y += l_width - length;
}
}
break;
case HALIGN_LEFT:
break;
case HALIGN_CENTER: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += Math::floor((l_width - length) / 2.0);
} else {
ofs.y += Math::floor((l_width - length) / 2.0);
}
} break;
case HALIGN_RIGHT: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += l_width - length;
} else {
ofs.y += l_width - length;
@ -600,18 +710,18 @@ void TextParagraph::draw_outline(RID p_canvas, const Vector2 &p_pos, int p_outli
}
}
float clip_l;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
clip_l = MAX(0, p_pos.x - ofs.x);
} else {
clip_l = MAX(0, p_pos.y - ofs.y);
}
TS->shaped_text_draw_outline(lines[i], p_canvas, ofs, clip_l, clip_l + l_width, p_outline_size, p_color);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
TS->shaped_text_draw_outline(lines_rid[i], p_canvas, ofs, clip_l, clip_l + l_width, p_outline_size, p_color);
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
ofs.y += TS->shaped_text_get_descent(lines_rid[i]) + spacing_bottom;
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
ofs.x += TS->shaped_text_get_descent(lines_rid[i]) + spacing_bottom;
}
}
}
@ -628,17 +738,17 @@ int TextParagraph::hit_test(const Point2 &p_coords) const {
return 0;
}
}
for (int i = 0; i < lines.size(); i++) {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if ((p_coords.y >= ofs.y) && (p_coords.y <= ofs.y + TS->shaped_text_get_size(lines[i]).y)) {
return TS->shaped_text_hit_test_position(lines[i], p_coords.x);
for (int i = 0; i < lines_rid.size(); i++) {
if (TS->shaped_text_get_orientation(lines_rid[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if ((p_coords.y >= ofs.y) && (p_coords.y <= ofs.y + TS->shaped_text_get_size(lines_rid[i]).y)) {
return TS->shaped_text_hit_test_position(lines_rid[i], p_coords.x);
}
ofs.y += TS->shaped_text_get_size(lines[i]).y + spacing_bottom + spacing_top;
ofs.y += TS->shaped_text_get_size(lines_rid[i]).y + spacing_bottom + spacing_top;
} else {
if ((p_coords.x >= ofs.x) && (p_coords.x <= ofs.x + TS->shaped_text_get_size(lines[i]).x)) {
return TS->shaped_text_hit_test_position(lines[i], p_coords.y);
if ((p_coords.x >= ofs.x) && (p_coords.x <= ofs.x + TS->shaped_text_get_size(lines_rid[i]).x)) {
return TS->shaped_text_hit_test_position(lines_rid[i], p_coords.y);
}
ofs.y += TS->shaped_text_get_size(lines[i]).x + spacing_bottom + spacing_top;
ofs.y += TS->shaped_text_get_size(lines_rid[i]).x + spacing_bottom + spacing_top;
}
}
return TS->shaped_text_get_range(rid).y;
@ -690,29 +800,29 @@ void TextParagraph::draw_dropcap_outline(RID p_canvas, const Vector2 &p_pos, int
void TextParagraph::draw_line(RID p_canvas, const Vector2 &p_pos, int p_line, const Color &p_color) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND(p_line < 0 || p_line >= lines.size());
ERR_FAIL_COND(p_line < 0 || p_line >= lines_rid.size());
Vector2 ofs = p_pos;
if (TS->shaped_text_get_orientation(lines[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.y += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
if (TS->shaped_text_get_orientation(lines_rid[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.y += TS->shaped_text_get_ascent(lines_rid[p_line]) + spacing_top;
} else {
ofs.x += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
ofs.x += TS->shaped_text_get_ascent(lines_rid[p_line]) + spacing_top;
}
return TS->shaped_text_draw(lines[p_line], p_canvas, ofs, -1, -1, p_color);
return TS->shaped_text_draw(lines_rid[p_line], p_canvas, ofs, -1, -1, p_color);
}
void TextParagraph::draw_line_outline(RID p_canvas, const Vector2 &p_pos, int p_line, int p_outline_size, const Color &p_color) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND(p_line < 0 || p_line >= lines.size());
ERR_FAIL_COND(p_line < 0 || p_line >= lines_rid.size());
Vector2 ofs = p_pos;
if (TS->shaped_text_get_orientation(lines[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.y += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
if (TS->shaped_text_get_orientation(lines_rid[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.y += TS->shaped_text_get_ascent(lines_rid[p_line]) + spacing_top;
} else {
ofs.x += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
ofs.x += TS->shaped_text_get_ascent(lines_rid[p_line]) + spacing_top;
}
return TS->shaped_text_draw_outline(lines[p_line], p_canvas, ofs, -1, -1, p_outline_size, p_color);
return TS->shaped_text_draw_outline(lines_rid[p_line], p_canvas, ofs, -1, -1, p_outline_size, p_color);
}
TextParagraph::TextParagraph(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language, float p_width, TextServer::Direction p_direction, TextServer::Orientation p_orientation) {
@ -729,10 +839,10 @@ TextParagraph::TextParagraph() {
}
TextParagraph::~TextParagraph() {
for (int i = 0; i < lines.size(); i++) {
TS->free(lines[i]);
for (int i = 0; i < lines_rid.size(); i++) {
TS->free(lines_rid[i]);
}
lines.clear();
lines_rid.clear();
TS->free(rid);
TS->free(dropcap_rid);
}

26
scene/resources/text_paragraph.h
View File

@ -39,19 +39,33 @@
class TextParagraph : public RefCounted {
GDCLASS(TextParagraph, RefCounted);
public:
enum OverrunBehavior {
OVERRUN_NO_TRIMMING,
OVERRUN_TRIM_CHAR,
OVERRUN_TRIM_WORD,
OVERRUN_TRIM_ELLIPSIS,
OVERRUN_TRIM_WORD_ELLIPSIS,
};
private:
RID dropcap_rid;
int dropcap_lines = 0;
Rect2 dropcap_margins;
RID rid;
Vector<RID> lines;
Vector<RID> lines_rid;
int spacing_top = 0;
int spacing_bottom = 0;
bool dirty_lines = true;
bool lines_dirty = true;
float width = -1.0;
int max_lines_visible = -1;
uint8_t flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND | TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA;
OverrunBehavior overrun_behavior = OVERRUN_NO_TRIMMING;
HAlign align = HALIGN_LEFT;
Vector<float> tab_stops;
@ -97,9 +111,15 @@ public:
void set_flags(uint8_t p_flags);
uint8_t get_flags() const;
void set_text_overrun_behavior(OverrunBehavior p_behavior);
OverrunBehavior get_text_overrun_behavior() const;
void set_width(float p_width);
float get_width() const;
void set_max_lines_visible(int p_lines);
int get_max_lines_visible() const;
Size2 get_non_wraped_size() const;
Size2 get_size() const;
@ -140,4 +160,6 @@ public:
~TextParagraph();
};
VARIANT_ENUM_CAST(TextParagraph::OverrunBehavior);
#endif // TEXT_PARAGRAPH_H

88
servers/text_server.cpp
View File

@ -739,6 +739,11 @@ Vector<Vector2i> TextServer::shaped_text_get_word_breaks(RID p_shaped, int p_gra
return words;
}
TextServer::TrimData TextServer::shaped_text_get_trim_data(RID p_shaped) const {
WARN_PRINT("Getting overrun data not supported by this TextServer.");
return TrimData();
}
void TextServer::shaped_text_get_carets(RID p_shaped, int p_position, Rect2 &p_leading_caret, Direction &p_leading_dir, Rect2 &p_trailing_caret, Direction &p_trailing_dir) const {
Vector<Rect2> carets;
const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
@ -976,7 +981,7 @@ Vector<Vector2> TextServer::shaped_text_get_selection(RID p_shaped, int p_start,
ranges.push_back(Vector2(off + char_adv * (glyphs[i].end - start), off + advance));
}
}
// Selection range is within grapheme
// Selection range is within grapheme.
if (glyphs[i].start < start && glyphs[i].end > end) {
float advance = 0.f;
for (int j = 0; j < glyphs[i].count; j++) {
@ -1137,10 +1142,26 @@ void TextServer::shaped_text_draw(RID p_shaped, RID p_canvas, const Vector2 &p_p
TextServer::Orientation orientation = shaped_text_get_orientation(p_shaped);
bool hex_codes = shaped_text_get_preserve_control(p_shaped) || shaped_text_get_preserve_invalid(p_shaped);
bool rtl = shaped_text_get_direction(p_shaped) == DIRECTION_RTL;
TrimData trim_data = shaped_text_get_trim_data(p_shaped);
int v_size = visual.size();
const Glyph *glyphs = visual.ptr();
Vector2 ofs = p_pos;
// Draw RTL ellipsis string when needed.
if (rtl && trim_data.ellipsis_pos >= 0) {
for (int i = trim_data.ellipsis_glyph_buf.size() - 1; i >= 0; i--) {
for (int j = 0; j < trim_data.ellipsis_glyph_buf[i].repeat; j++) {
font_draw_glyph(trim_data.ellipsis_glyph_buf[i].font_rid, p_canvas, trim_data.ellipsis_glyph_buf[i].font_size, ofs + Vector2(trim_data.ellipsis_glyph_buf[i].x_off, trim_data.ellipsis_glyph_buf[i].y_off), trim_data.ellipsis_glyph_buf[i].index, p_color);
if (orientation == ORIENTATION_HORIZONTAL) {
ofs.x += trim_data.ellipsis_glyph_buf[i].advance;
} else {
ofs.y += trim_data.ellipsis_glyph_buf[i].advance;
}
}
}
}
// Draw at the baseline.
for (int i = 0; i < v_size; i++) {
for (int j = 0; j < glyphs[i].repeat; j++) {
@ -1170,6 +1191,18 @@ void TextServer::shaped_text_draw(RID p_shaped, RID p_canvas, const Vector2 &p_p
}
}
}
if (trim_data.trim_pos >= 0) {
if (rtl) {
if (i < trim_data.trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
continue;
}
} else {
if (i >= trim_data.trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
break;
}
}
}
if (glyphs[i].font_rid != RID()) {
font_draw_glyph(glyphs[i].font_rid, p_canvas, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, p_color);
} else if (hex_codes && ((glyphs[i].flags & GRAPHEME_IS_VIRTUAL) != GRAPHEME_IS_VIRTUAL)) {
@ -1182,15 +1215,44 @@ void TextServer::shaped_text_draw(RID p_shaped, RID p_canvas, const Vector2 &p_p
}
}
}
// Draw LTR ellipsis string when needed.
if (!rtl && trim_data.ellipsis_pos >= 0) {
for (int i = 0; i < trim_data.ellipsis_glyph_buf.size(); i++) {
for (int j = 0; j < trim_data.ellipsis_glyph_buf[i].repeat; j++) {
font_draw_glyph(trim_data.ellipsis_glyph_buf[i].font_rid, p_canvas, trim_data.ellipsis_glyph_buf[i].font_size, ofs + Vector2(trim_data.ellipsis_glyph_buf[i].x_off, trim_data.ellipsis_glyph_buf[i].y_off), trim_data.ellipsis_glyph_buf[i].index, p_color);
if (orientation == ORIENTATION_HORIZONTAL) {
ofs.x += trim_data.ellipsis_glyph_buf[i].advance;
} else {
ofs.y += trim_data.ellipsis_glyph_buf[i].advance;
}
}
}
}
}
void TextServer::shaped_text_draw_outline(RID p_shaped, RID p_canvas, const Vector2 &p_pos, float p_clip_l, float p_clip_r, int p_outline_size, const Color &p_color) const {
const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
TextServer::Orientation orientation = shaped_text_get_orientation(p_shaped);
bool rtl = (shaped_text_get_direction(p_shaped) == DIRECTION_RTL);
TrimData trim_data = shaped_text_get_trim_data(p_shaped);
int v_size = visual.size();
const Glyph *glyphs = visual.ptr();
Vector2 ofs = p_pos;
// Draw RTL ellipsis string when needed.
if (rtl && trim_data.ellipsis_pos >= 0) {
for (int i = trim_data.ellipsis_glyph_buf.size() - 1; i >= 0; i--) {
for (int j = 0; j < trim_data.ellipsis_glyph_buf[i].repeat; j++) {
font_draw_glyph(trim_data.ellipsis_glyph_buf[i].font_rid, p_canvas, trim_data.ellipsis_glyph_buf[i].font_size, ofs + Vector2(trim_data.ellipsis_glyph_buf[i].x_off, trim_data.ellipsis_glyph_buf[i].y_off), trim_data.ellipsis_glyph_buf[i].index, p_color);
if (orientation == ORIENTATION_HORIZONTAL) {
ofs.x += trim_data.ellipsis_glyph_buf[i].advance;
} else {
ofs.y += trim_data.ellipsis_glyph_buf[i].advance;
}
}
}
}
// Draw at the baseline.
for (int i = 0; i < v_size; i++) {
for (int j = 0; j < glyphs[i].repeat; j++) {
@ -1220,6 +1282,17 @@ void TextServer::shaped_text_draw_outline(RID p_shaped, RID p_canvas, const Vect
}
}
}
if (trim_data.trim_pos >= 0) {
if (rtl) {
if (i < trim_data.trim_pos) {
continue;
}
} else {
if (i >= trim_data.trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
break;
}
}
}
if (glyphs[i].font_rid != RID()) {
font_draw_glyph_outline(glyphs[i].font_rid, p_canvas, glyphs[i].font_size, p_outline_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, p_color);
}
@ -1230,6 +1303,19 @@ void TextServer::shaped_text_draw_outline(RID p_shaped, RID p_canvas, const Vect
}
}
}
// Draw LTR ellipsis string when needed.
if (!rtl && trim_data.ellipsis_pos >= 0) {
for (int i = 0; i < trim_data.ellipsis_glyph_buf.size(); i++) {
for (int j = 0; j < trim_data.ellipsis_glyph_buf[i].repeat; j++) {
font_draw_glyph(trim_data.ellipsis_glyph_buf[i].font_rid, p_canvas, trim_data.ellipsis_glyph_buf[i].font_size, ofs + Vector2(trim_data.ellipsis_glyph_buf[i].x_off, trim_data.ellipsis_glyph_buf[i].y_off), trim_data.ellipsis_glyph_buf[i].index, p_color);
if (orientation == ORIENTATION_HORIZONTAL) {
ofs.x += trim_data.ellipsis_glyph_buf[i].advance;
} else {
ofs.y += trim_data.ellipsis_glyph_buf[i].advance;
}
}
}
}
}
RID TextServer::_create_font_memory(const PackedByteArray &p_data, const String &p_type, int p_base_size) {

22
servers/text_server.h
View File

@ -59,7 +59,8 @@ public:
JUSTIFICATION_KASHIDA = 1 << 0,
JUSTIFICATION_WORD_BOUND = 1 << 1,
JUSTIFICATION_TRIM_EDGE_SPACES = 1 << 2,
JUSTIFICATION_AFTER_LAST_TAB = 1 << 3
JUSTIFICATION_AFTER_LAST_TAB = 1 << 3,
JUSTIFICATION_CONSTRAIN_ELLIPSIS = 1 << 4,
};
enum LineBreakFlag {
@ -67,7 +68,7 @@ public:
BREAK_MANDATORY = 1 << 4,
BREAK_WORD_BOUND = 1 << 5,
BREAK_GRAPHEME_BOUND = 1 << 6,
BREAK_WORD_BOUND_ADAPTIVE = 1 << 5 | 1 << 7
BREAK_WORD_BOUND_ADAPTIVE = 1 << 5 | 1 << 7,
};
enum TextOverrunFlag {
@ -75,7 +76,8 @@ public:
OVERRUN_TRIM = 1 << 0,
OVERRUN_TRIM_WORD_ONLY = 1 << 1,
OVERRUN_ADD_ELLIPSIS = 1 << 2,
OVERRUN_ENFORCE_ELLIPSIS = 1 << 3
OVERRUN_ENFORCE_ELLIPSIS = 1 << 3,
OVERRUN_JUSTIFICATION_AWARE = 1 << 4,
};
enum GraphemeFlag {
@ -154,6 +156,12 @@ public:
}
};
struct TrimData {
int trim_pos = -1;
int ellipsis_pos = -1;
Vector<TextServer::Glyph> ellipsis_glyph_buf;
};
struct ShapedTextData {
/* Source data */
RID parent; // Substring parent ShapedTextData.
@ -192,6 +200,7 @@ public:
bool line_breaks_valid = false; // Line and word break flags are populated (and virtual zero width spaces inserted).
bool justification_ops_valid = false; // Virtual elongation glyphs are added to the string.
bool sort_valid = false;
bool text_trimmed = false;
bool preserve_invalid = true; // Draw hex code box instead of missing characters.
bool preserve_control = false; // Draw control characters.
@ -199,10 +208,14 @@ public:
float ascent = 0.f; // Ascent for horizontal layout, 1/2 of width for vertical.
float descent = 0.f; // Descent for horizontal layout, 1/2 of width for vertical.
float width = 0.f; // Width for horizontal layout, height for vertical.
float width_trimmed = 0.f;
float upos = 0.f;
float uthk = 0.f;
TrimData overrun_trim_data;
bool fit_width_minimum_reached = false;
Vector<TextServer::Glyph> glyphs;
Vector<TextServer::Glyph> glyphs_logical;
};
@ -357,7 +370,8 @@ public:
virtual Vector<Vector2i> shaped_text_get_line_breaks(RID p_shaped, float p_width, int p_start = 0, uint8_t /*TextBreakFlag*/ p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
virtual Vector<Vector2i> shaped_text_get_word_breaks(RID p_shaped, int p_grapheme_flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_PUNCTUATION) const;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_clip_flags) = 0;
virtual TrimData shaped_text_get_trim_data(RID p_shaped) const;
virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_trim_flags) = 0;
virtual Array shaped_text_get_objects(RID p_shaped) const = 0;
virtual Rect2 shaped_text_get_object_rect(RID p_shaped, Variant p_key) const = 0;