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Implement TextMesh resource.

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Apply simulated slant and embolden to the TextServer `gont_get_glyph_contours` results.
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bruvzg 2022-04-25 13:14:30 +03:00
parent 2f47a0747c
commit 05963674a7
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GPG key ID: 7960FCF39844EC38
9 changed files with 1059 additions and 11 deletions
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2
doc/classes/Label3D.xml
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@ -78,7 +78,7 @@
Font size of the [Label3D]'s text.
</member>
<member name="horizontal_alignment" type="int" setter="set_horizontal_alignment" getter="get_horizontal_alignment" enum="HorizontalAlignment" default="1">
Controls the text's horizontal alignment. Supports left, center, right. Set it to one of the [enum HorizontalAlignment] constants.
Controls the text's horizontal alignment. Supports left, center, right, and fill, or justify. Set it to one of the [enum HorizontalAlignment] constants.
</member>
<member name="language" type="String" setter="set_language" getter="get_language" default="&quot;&quot;">
Language code used for line-breaking and text shaping algorithms, if left empty current locale is used instead.

77
doc/classes/TextMesh.xml Normal file
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@ -0,0 +1,77 @@
<?xml version="1.0" encoding="UTF-8" ?>
<class name="TextMesh" inherits="PrimitiveMesh" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
<brief_description>
Generate an [PrimitiveMesh] from the text.
</brief_description>
<description>
Generate an [PrimitiveMesh] from the text.
TextMesh can be generated only when using dynamic fonts with vector glyph contours. Bitmap fonts (including bitmap data in the TrueType/OpenType containers, like color emoji fonts) are not supported.
The UV layout is arranged in 4 horizontal strips, top to bottom: 40% of the height for the front face, 40% for the back face, 10% for the outer edges and 10% for the inner edges.
</description>
<tutorials>
</tutorials>
<methods>
<method name="clear_opentype_features">
<return type="void" />
<description>
Removes all OpenType features.
</description>
</method>
<method name="get_opentype_feature" qualifiers="const">
<return type="int" />
<argument index="0" name="tag" type="String" />
<description>
Returns OpenType feature [code]tag[/code].
</description>
</method>
<method name="set_opentype_feature">
<return type="void" />
<argument index="0" name="tag" type="String" />
<argument index="1" name="value" type="int" />
<description>
Returns OpenType feature [code]tag[/code]. More info: [url=https://docs.microsoft.com/en-us/typography/opentype/spec/featuretags]OpenType feature tags[/url].
</description>
</method>
</methods>
<members>
<member name="curve_step" type="float" setter="set_curve_step" getter="get_curve_step" default="0.5">
Step (in pixels) used to approximate Bézier curves.
</member>
<member name="depth" type="float" setter="set_depth" getter="get_depth" default="0.05">
Depths of the mesh, if set to [code]0.0[/code] only front surface, is generated, and UV layout is changed to use full texture for the front face only.
</member>
<member name="font" type="Font" setter="set_font" getter="get_font">
[Font] used for the [TextMesh]'s text.
</member>
<member name="font_size" type="int" setter="set_font_size" getter="get_font_size" default="16">
Font size of the [TextMesh]'s text.
</member>
<member name="horizontal_alignment" type="int" setter="set_horizontal_alignment" getter="get_horizontal_alignment" enum="HorizontalAlignment" default="1">
Controls the text's horizontal alignment. Supports left, center, right, and fill, or justify. Set it to one of the [enum HorizontalAlignment] constants.
</member>
<member name="language" type="String" setter="set_language" getter="get_language" default="&quot;&quot;">
Language code used for text shaping algorithms, if left empty current locale is used instead.
</member>
<member name="pixel_size" type="float" setter="set_pixel_size" getter="get_pixel_size" default="0.01">
The size of one pixel's width on the text to scale it in 3D.
</member>
<member name="structured_text_bidi_override" type="int" setter="set_structured_text_bidi_override" getter="get_structured_text_bidi_override" enum="TextServer.StructuredTextParser" default="0">
Set BiDi algorithm override for the structured text.
</member>
<member name="structured_text_bidi_override_options" type="Array" setter="set_structured_text_bidi_override_options" getter="get_structured_text_bidi_override_options" default="[]">
Set additional options for BiDi override.
</member>
<member name="text" type="String" setter="set_text" getter="get_text" default="&quot;&quot;">
The text to generate mesh from.
</member>
<member name="text_direction" type="int" setter="set_text_direction" getter="get_text_direction" enum="TextServer.Direction" default="0">
Base text writing direction.
</member>
<member name="uppercase" type="bool" setter="set_uppercase" getter="is_uppercase" default="false">
If [code]true[/code], all the text displays as UPPERCASE.
</member>
<member name="width" type="float" setter="set_width" getter="get_width" default="500.0">
Text width (in pixels), used for fill alignment.
</member>
</members>
</class>

1
editor/icons/TextMesh.svg Normal file
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@ -0,0 +1 @@
<svg stroke-miterlimit="10" style="fill-rule:nonzero;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round" viewBox="0 0 16 16" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:vectornator="http://vectornator.io"><g fill="#ffca5f" fill-rule="evenodd" vectornator:layerName="Untitled"><path d="M1 1h14v2H1V1Z"/><path d="M7 1h2v14H7V1Z"/><path d="M5 14h6v1H5v-1ZM2 1v4H1V1h1Zm13 0v4h-1V1h1ZM2 3v2a2 2 0 0 1 2-2H2Zm10 0a2 2 0 0 1 2 2V3h-2ZM5 14a2 2 0 0 0 2-2v2H5Zm6 0a2 2 0 0 1-2-2v2h2Z"/></g></svg>
Side by side

After

Width:  |  Height:  |  Size: 517 B

16
editor/plugins/ot_features_plugin.cpp
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@ -31,6 +31,7 @@
#include "ot_features_plugin.h"
#include "scene/3d/label_3d.h"
#include "scene/resources/primitive_meshes.h"
void OpenTypeFeaturesEditor::_value_changed(double val) {
if (setting) {
@ -124,11 +125,14 @@ void OpenTypeFeaturesAdd::setup(Object *p_object) {
Control *ctrl = Object::cast_to<Control>(edited_object);
if (ctrl != nullptr) {
font = ctrl->get_theme_font(SNAME("font"));
} else {
Label3D *l3d = Object::cast_to<Label3D>(edited_object);
if (l3d != nullptr) {
font = l3d->_get_font_or_default();
}
}
Label3D *l3d = Object::cast_to<Label3D>(edited_object);
if (l3d != nullptr) {
font = l3d->_get_font_or_default();
}
TextMesh *tm = Object::cast_to<TextMesh>(edited_object);
if (tm != nullptr) {
font = tm->_get_font_or_default();
}
if (font.is_null()) {
@ -205,7 +209,7 @@ OpenTypeFeaturesAdd::OpenTypeFeaturesAdd() {
/*************************************************************************/
bool EditorInspectorPluginOpenTypeFeatures::can_handle(Object *p_object) {
return (Object::cast_to<Control>(p_object) != nullptr) || (Object::cast_to<Label3D>(p_object) != nullptr);
return (Object::cast_to<Control>(p_object) != nullptr) || (Object::cast_to<Label3D>(p_object) != nullptr) || (Object::cast_to<TextMesh>(p_object) != nullptr);
}
bool EditorInspectorPluginOpenTypeFeatures::parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const uint32_t p_usage, const bool p_wide) {

13
modules/text_server_adv/text_server_adv.cpp
View file

@ -2688,13 +2688,22 @@ Dictionary TextServerAdvanced::font_get_glyph_contours(const RID &p_font_rid, in
int error = FT_Load_Glyph(fd->cache[size]->face, index, FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
ERR_FAIL_COND_V(error, Dictionary());
double h = fd->cache[size]->ascent;
if (fd->embolden != 0.f) {
FT_Pos strength = fd->embolden * p_size * 4; // 26.6 fractional units (1 / 64).
FT_Outline_Embolden(&fd->cache[size]->face->glyph->outline, strength);
}
if (fd->transform != Transform2D()) {
FT_Matrix mat = { FT_Fixed(fd->transform[0][0] * 65536), FT_Fixed(fd->transform[0][1] * 65536), FT_Fixed(fd->transform[1][0] * 65536), FT_Fixed(fd->transform[1][1] * 65536) }; // 16.16 fractional units (1 / 65536).
FT_Outline_Transform(&fd->cache[size]->face->glyph->outline, &mat);
}
double scale = (1.0 / 64.0) / fd->cache[size]->oversampling * fd->cache[size]->scale;
if (fd->msdf) {
scale = scale * (double)p_size / (double)fd->msdf_source_size;
}
for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_points; i++) {
points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, h - fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i])));
points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, -fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i])));
}
for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_contours; i++) {
contours.push_back(fd->cache[size]->face->glyph->outline.contours[i]);

13
modules/text_server_fb/text_server_fb.cpp
View file

@ -1836,13 +1836,22 @@ Dictionary TextServerFallback::font_get_glyph_contours(const RID &p_font_rid, in
int error = FT_Load_Glyph(fd->cache[size]->face, FT_Get_Char_Index(fd->cache[size]->face, index), FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
ERR_FAIL_COND_V(error, Dictionary());
double h = fd->cache[size]->ascent;
if (fd->embolden != 0.f) {
FT_Pos strength = fd->embolden * p_size * 4; // 26.6 fractional units (1 / 64).
FT_Outline_Embolden(&fd->cache[size]->face->glyph->outline, strength);
}
if (fd->transform != Transform2D()) {
FT_Matrix mat = { FT_Fixed(fd->transform[0][0] * 65536), FT_Fixed(fd->transform[0][1] * 65536), FT_Fixed(fd->transform[1][0] * 65536), FT_Fixed(fd->transform[1][1] * 65536) }; // 16.16 fractional units (1 / 65536).
FT_Outline_Transform(&fd->cache[size]->face->glyph->outline, &mat);
}
double scale = (1.0 / 64.0) / fd->cache[size]->oversampling * fd->cache[size]->scale;
if (fd->msdf) {
scale = scale * (double)p_size / (double)fd->msdf_source_size;
}
for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_points; i++) {
points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, h - fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i])));
points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, -fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i])));
}
for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_contours; i++) {
contours.push_back(fd->cache[size]->face->glyph->outline.contours[i]);

1
scene/register_scene_types.cpp
View file

@ -769,6 +769,7 @@ void register_scene_types() {
GDREGISTER_CLASS(PrismMesh);
GDREGISTER_CLASS(QuadMesh);
GDREGISTER_CLASS(SphereMesh);
GDREGISTER_CLASS(TextMesh);
GDREGISTER_CLASS(TubeTrailMesh);
GDREGISTER_CLASS(RibbonTrailMesh);
GDREGISTER_CLASS(PointMesh);

821
scene/resources/primitive_meshes.cpp
View file

@ -29,7 +29,12 @@
/*************************************************************************/
#include "primitive_meshes.h"
#include "core/core_string_names.h"
#include "scene/resources/theme.h"
#include "servers/rendering_server.h"
#include "thirdparty/misc/clipper.hpp"
#include "thirdparty/misc/polypartition.h"
/**
PrimitiveMesh
@ -2151,3 +2156,819 @@ void RibbonTrailMesh::_bind_methods() {
RibbonTrailMesh::RibbonTrailMesh() {
}
/*************************************************************************/
/* TextMesh */
/*************************************************************************/
void TextMesh::_generate_glyph_mesh_data(uint32_t p_hash, const Glyph &p_gl) const {
if (cache.has(p_hash)) {
return;
}
GlyphMeshData &gl_data = cache[p_hash];
Dictionary d = TS->font_get_glyph_contours(p_gl.font_rid, p_gl.font_size, p_gl.index);
Vector2 origin = Vector2(p_gl.x_off, p_gl.y_off) * pixel_size;
PackedVector3Array points = d["points"];
PackedInt32Array contours = d["contours"];
bool orientation = d["orientation"];
if (points.size() < 3 || contours.size() < 1) {
return; // No full contours, only glyph control points (or nothing), ignore.
}
// Approximate Bezier curves as polygons.
// See https://freetype.org/freetype2/docs/glyphs/glyphs-6.html, for more info.
for (int i = 0; i < contours.size(); i++) {
int32_t start = (i == 0) ? 0 : (contours[i - 1] + 1);
int32_t end = contours[i];
Vector<ContourPoint> polygon;
for (int32_t j = start; j <= end; j++) {
if (points[j].z == TextServer::CONTOUR_CURVE_TAG_ON) {
// Point on the curve.
Vector2 p = Vector2(points[j].x, points[j].y) * pixel_size + origin;
polygon.push_back(ContourPoint(p, true));
} else if (points[j].z == TextServer::CONTOUR_CURVE_TAG_OFF_CONIC) {
// Conic Bezier arc.
int32_t next = (j == end) ? start : (j + 1);
int32_t prev = (j == start) ? end : (j - 1);
Vector2 p0;
Vector2 p1 = Vector2(points[j].x, points[j].y);
Vector2 p2;
// For successive conic OFF points add a virtual ON point in the middle.
if (points[prev].z == TextServer::CONTOUR_CURVE_TAG_OFF_CONIC) {
p0 = (Vector2(points[prev].x, points[prev].y) + Vector2(points[j].x, points[j].y)) / 2.0;
} else if (points[prev].z == TextServer::CONTOUR_CURVE_TAG_ON) {
p0 = Vector2(points[prev].x, points[prev].y);
} else {
ERR_FAIL_MSG(vformat("Invalid conic arc point sequence at %d:%d", i, j));
}
if (points[next].z == TextServer::CONTOUR_CURVE_TAG_OFF_CONIC) {
p2 = (Vector2(points[j].x, points[j].y) + Vector2(points[next].x, points[next].y)) / 2.0;
} else if (points[next].z == TextServer::CONTOUR_CURVE_TAG_ON) {
p2 = Vector2(points[next].x, points[next].y);
} else {
ERR_FAIL_MSG(vformat("Invalid conic arc point sequence at %d:%d", i, j));
}
real_t step = CLAMP(curve_step / (p0 - p2).length(), 0.01, 0.5);
real_t t = step;
while (t < 1.0) {
real_t omt = (1.0 - t);
real_t omt2 = omt * omt;
real_t t2 = t * t;
Vector2 point = p1 + omt2 * (p0 - p1) + t2 * (p2 - p1);
Vector2 p = point * pixel_size + origin;
polygon.push_back(ContourPoint(p, false));
t += step;
}
} else if (points[j].z == TextServer::CONTOUR_CURVE_TAG_OFF_CUBIC) {
// Cubic Bezier arc.
int32_t next1 = (j == end) ? start : (j + 1);
int32_t next2 = (next1 == end) ? start : (next1 + 1);
int32_t prev = (j == start) ? end : (j - 1);
// There must be exactly two OFF points and two ON points for each cubic arc.
ERR_FAIL_COND_MSG(points[prev].z != TextServer::CONTOUR_CURVE_TAG_ON, vformat("Invalid cubic arc point sequence at %d:%d", i, prev));
ERR_FAIL_COND_MSG(points[next1].z != TextServer::CONTOUR_CURVE_TAG_OFF_CUBIC, vformat("Invalid cubic arc point sequence at %d:%d", i, next1));
ERR_FAIL_COND_MSG(points[next2].z != TextServer::CONTOUR_CURVE_TAG_ON, vformat("Invalid cubic arc point sequence at %d:%d", i, next2));
Vector2 p0 = Vector2(points[prev].x, points[prev].y);
Vector2 p1 = Vector2(points[j].x, points[j].y);
Vector2 p2 = Vector2(points[next1].x, points[next1].y);
Vector2 p3 = Vector2(points[next2].x, points[next2].y);
real_t step = CLAMP(curve_step / (p0 - p3).length(), 0.01, 0.5);
real_t t = step;
while (t < 1.0) {
real_t omt = (1.0 - t);
real_t omt2 = omt * omt;
real_t omt3 = omt2 * omt;
real_t t2 = t * t;
real_t t3 = t2 * t;
Vector2 point = p0 * omt3 + p1 * omt2 * t * 3.0 + p2 * omt * t2 * 3.0 + p3 * t3;
Vector2 p = point * pixel_size + origin;
polygon.push_back(ContourPoint(p, false));
t += step;
}
i++;
} else {
ERR_FAIL_MSG(vformat("Unknown point tag at %d:%d", i, j));
}
}
if (polygon.size() < 3) {
continue; // Skip glyph control points.
}
if (!orientation) {
polygon.reverse();
}
gl_data.contours.push_back(polygon);
}
// Calculate bounds.
List<TPPLPoly> in_poly;
for (int i = 0; i < gl_data.contours.size(); i++) {
TPPLPoly inp;
inp.Init(gl_data.contours[i].size());
real_t length = 0.0;
for (int j = 0; j < gl_data.contours[i].size(); j++) {
int next = (j + 1 == gl_data.contours[i].size()) ? 0 : (j + 1);
gl_data.min_p.x = MIN(gl_data.min_p.x, gl_data.contours[i][j].point.x);
gl_data.min_p.y = MIN(gl_data.min_p.y, gl_data.contours[i][j].point.y);
gl_data.max_p.x = MAX(gl_data.max_p.x, gl_data.contours[i][j].point.x);
gl_data.max_p.y = MAX(gl_data.max_p.y, gl_data.contours[i][j].point.y);
length += (gl_data.contours[i][next].point - gl_data.contours[i][j].point).length();
inp.GetPoint(j) = gl_data.contours[i][j].point;
}
TPPLOrientation poly_orient = inp.GetOrientation();
if (poly_orient == TPPL_ORIENTATION_CW) {
inp.SetHole(true);
}
in_poly.push_back(inp);
gl_data.contours_info.push_back(ContourInfo(length, poly_orient == TPPL_ORIENTATION_CCW));
}
TPPLPartition tpart;
//Decompose and triangulate.
List<TPPLPoly> out_poly;
if (tpart.ConvexPartition_HM(&in_poly, &out_poly) == 0) {
ERR_FAIL_MSG("Convex decomposing failed!");
}
List<TPPLPoly> out_tris;
for (List<TPPLPoly>::Element *I = out_poly.front(); I; I = I->next()) {
if (tpart.Triangulate_OPT(&(I->get()), &out_tris) == 0) {
ERR_FAIL_MSG("Triangulation failed!");
}
}
for (List<TPPLPoly>::Element *I = out_tris.front(); I; I = I->next()) {
TPPLPoly &tp = I->get();
ERR_FAIL_COND(tp.GetNumPoints() != 3); // Trianges only.
for (int i = 0; i < 3; i++) {
gl_data.triangles.push_back(Vector2(tp.GetPoint(i).x, tp.GetPoint(i).y));
}
}
}
void TextMesh::_create_mesh_array(Array &p_arr) const {
Ref<Font> font = _get_font_or_default();
ERR_FAIL_COND(font.is_null());
if (dirty_cache) {
cache.clear();
dirty_cache = false;
}
// Update text buffer.
if (dirty_text) {
TS->shaped_text_clear(text_rid);
TS->shaped_text_set_direction(text_rid, text_direction);
String text = (uppercase) ? TS->string_to_upper(xl_text, language) : xl_text;
TS->shaped_text_add_string(text_rid, text, font->get_rids(), font_size, opentype_features, language);
Array stt;
if (st_parser == TextServer::STRUCTURED_TEXT_CUSTOM) {
GDVIRTUAL_CALL(_structured_text_parser, st_args, text, stt);
} else {
stt = TS->parse_structured_text(st_parser, st_args, text);
}
TS->shaped_text_set_bidi_override(text_rid, stt);
dirty_text = false;
dirty_font = false;
} else if (dirty_font) {
int spans = TS->shaped_get_span_count(text_rid);
for (int i = 0; i < spans; i++) {
TS->shaped_set_span_update_font(text_rid, i, font->get_rids(), font_size, opentype_features);
}
dirty_font = false;
}
if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL) {
TS->shaped_text_fit_to_width(text_rid, width, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA);
} else {
TS->shaped_text_fit_to_width(text_rid, -1, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA);
}
Vector2 offset;
const Glyph *glyphs = TS->shaped_text_get_glyphs(text_rid);
int gl_size = TS->shaped_text_get_glyph_count(text_rid);
float line_width = TS->shaped_text_get_width(text_rid) * pixel_size;
switch (horizontal_alignment) {
case HORIZONTAL_ALIGNMENT_LEFT:
offset.x = 0.0;
break;
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_CENTER: {
offset.x = -line_width / 2.0;
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
offset.x = -line_width;
} break;
}
bool has_depth = !Math::is_zero_approx(depth);
// Generate glyph data, precalculate size of the arrays and mesh bounds for UV.
int64_t p_size = 0;
int64_t i_size = 0;
Vector2 min_p = Vector2(INFINITY, INFINITY);
Vector2 max_p = Vector2(-INFINITY, -INFINITY);
Vector2 offset_pre = offset;
for (int i = 0; i < gl_size; i++) {
if (glyphs[i].font_rid != RID()) {
uint32_t hash = hash_one_uint64(glyphs[i].font_rid.get_id());
hash = hash_djb2_one_32(glyphs[i].index, hash);
_generate_glyph_mesh_data(hash, glyphs[i]);
GlyphMeshData &gl_data = cache[hash];
p_size += glyphs[i].repeat * gl_data.triangles.size() * ((has_depth) ? 2 : 1);
i_size += glyphs[i].repeat * gl_data.triangles.size() * ((has_depth) ? 2 : 1);
if (has_depth) {
for (int j = 0; j < gl_data.contours.size(); j++) {
p_size += glyphs[i].repeat * gl_data.contours[j].size() * 4;
i_size += glyphs[i].repeat * gl_data.contours[j].size() * 6;
}
}
for (int j = 0; j < glyphs[i].repeat; j++) {
min_p.x = MIN(gl_data.min_p.x + offset_pre.x, min_p.x);
min_p.y = MIN(gl_data.min_p.y + offset_pre.y, min_p.y);
max_p.x = MAX(gl_data.max_p.x + offset_pre.x, max_p.x);
max_p.y = MAX(gl_data.max_p.y + offset_pre.y, max_p.y);
offset_pre.x += glyphs[i].advance * pixel_size;
}
} else {
p_size += glyphs[i].repeat * 4;
i_size += glyphs[i].repeat * 6;
offset_pre.x += glyphs[i].advance * pixel_size * glyphs[i].repeat;
}
}
Vector<Vector3> vertices;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int32_t> indices;
vertices.resize(p_size);
normals.resize(p_size);
uvs.resize(p_size);
tangents.resize(p_size * 4);
indices.resize(i_size);
Vector3 *vertices_ptr = vertices.ptrw();
Vector3 *normals_ptr = normals.ptrw();
float *tangents_ptr = tangents.ptrw();
Vector2 *uvs_ptr = uvs.ptrw();
int32_t *indices_ptr = indices.ptrw();
// Generate mesh.
int32_t p_idx = 0;
int32_t i_idx = 0;
for (int i = 0; i < gl_size; i++) {
if (glyphs[i].font_rid != RID()) {
uint32_t hash = hash_one_uint64(glyphs[i].font_rid.get_id());
hash = hash_djb2_one_32(glyphs[i].index, hash);
const GlyphMeshData &gl_data = cache[hash];
int64_t ts = gl_data.triangles.size();
const Vector2 *ts_ptr = gl_data.triangles.ptr();
for (int j = 0; j < glyphs[i].repeat; j++) {
for (int k = 0; k < ts; k += 3) {
// Add front face.
for (int l = 0; l < 3; l++) {
Vector3 point = Vector3(ts_ptr[k + l].x + offset.x, -ts_ptr[k + l].y + offset.y, depth / 2.0);
vertices_ptr[p_idx] = point;
normals_ptr[p_idx] = Vector3(0.0, 0.0, 1.0);
if (has_depth) {
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -min_p.y, -max_p.y, real_t(0.0), real_t(0.4)));
} else {
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -min_p.y, -max_p.y, real_t(0.0), real_t(1.0)));
}
tangents_ptr[p_idx * 4 + 0] = 1.0;
tangents_ptr[p_idx * 4 + 1] = 0.0;
tangents_ptr[p_idx * 4 + 2] = 0.0;
tangents_ptr[p_idx * 4 + 3] = 1.0;
indices_ptr[i_idx++] = p_idx;
p_idx++;
}
if (has_depth) {
// Add back face.
for (int l = 2; l >= 0; l--) {
Vector3 point = Vector3(ts_ptr[k + l].x + offset.x, -ts_ptr[k + l].y + offset.y, -depth / 2.0);
vertices_ptr[p_idx] = point;
normals_ptr[p_idx] = Vector3(0.0, 0.0, -1.0);
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -min_p.y, -max_p.y, real_t(0.4), real_t(0.8)));
tangents_ptr[p_idx * 4 + 0] = -1.0;
tangents_ptr[p_idx * 4 + 1] = 0.0;
tangents_ptr[p_idx * 4 + 2] = 0.0;
tangents_ptr[p_idx * 4 + 3] = 1.0;
indices_ptr[i_idx++] = p_idx;
p_idx++;
}
}
}
// Add sides.
if (has_depth) {
for (int k = 0; k < gl_data.contours.size(); k++) {
int64_t ps = gl_data.contours[k].size();
const ContourPoint *ps_ptr = gl_data.contours[k].ptr();
const ContourInfo &ps_info = gl_data.contours_info[k];
real_t length = 0.0;
for (int l = 0; l < ps; l++) {
int prev = (l == 0) ? (ps - 1) : (l - 1);
int next = (l + 1 == ps) ? 0 : (l + 1);
Vector2 d1;
Vector2 d2 = (ps_ptr[next].point - ps_ptr[l].point).normalized();
if (ps_ptr[l].sharp) {
d1 = d2;
} else {
d1 = (ps_ptr[l].point - ps_ptr[prev].point).normalized();
}
real_t seg_len = (ps_ptr[next].point - ps_ptr[l].point).length();
Vector3 quad_faces[4] = {
Vector3(ps_ptr[l].point.x + offset.x, -ps_ptr[l].point.y + offset.y, -depth / 2.0),
Vector3(ps_ptr[next].point.x + offset.x, -ps_ptr[next].point.y + offset.y, -depth / 2.0),
Vector3(ps_ptr[l].point.x + offset.x, -ps_ptr[l].point.y + offset.y, depth / 2.0),
Vector3(ps_ptr[next].point.x + offset.x, -ps_ptr[next].point.y + offset.y, depth / 2.0),
};
for (int m = 0; m < 4; m++) {
const Vector2 &d = ((m % 2) == 0) ? d1 : d2;
real_t u_pos = ((m % 2) == 0) ? length : length + seg_len;
vertices_ptr[p_idx + m] = quad_faces[m];
normals_ptr[p_idx + m] = Vector3(d.y, d.x, 0.0);
if (m < 2) {
uvs_ptr[p_idx + m] = Vector2(Math::range_lerp(u_pos, 0, ps_info.length, real_t(0.0), real_t(1.0)), (ps_info.ccw) ? 0.8 : 0.9);
} else {
uvs_ptr[p_idx + m] = Vector2(Math::range_lerp(u_pos, 0, ps_info.length, real_t(0.0), real_t(1.0)), (ps_info.ccw) ? 0.9 : 1.0);
}
tangents_ptr[(p_idx + m) * 4 + 0] = d.x;
tangents_ptr[(p_idx + m) * 4 + 1] = -d.y;
tangents_ptr[(p_idx + m) * 4 + 2] = 0.0;
tangents_ptr[(p_idx + m) * 4 + 3] = 1.0;
}
indices_ptr[i_idx++] = p_idx;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 3;
indices_ptr[i_idx++] = p_idx + 2;
length += seg_len;
p_idx += 4;
}
}
}
offset.x += glyphs[i].advance * pixel_size;
}
} else {
// Add fallback quad for missing glyphs.
for (int j = 0; j < glyphs[i].repeat; j++) {
Size2 sz = TS->get_hex_code_box_size(glyphs[i].font_size, glyphs[i].index) * pixel_size;
Vector3 quad_faces[4] = {
Vector3(offset.x, offset.y, 0.0),
Vector3(offset.x, sz.y + offset.y, 0.0),
Vector3(sz.x + offset.x, sz.y + offset.y, 0.0),
Vector3(sz.x + offset.x, offset.y, 0.0),
};
for (int k = 0; k < 4; k++) {
vertices_ptr[p_idx + k] = quad_faces[k];
normals_ptr[p_idx + k] = Vector3(0.0, 0.0, 1.0);
if (has_depth) {
uvs_ptr[p_idx + k] = Vector2(Math::range_lerp(quad_faces[k].x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(quad_faces[k].y, -min_p.y, -max_p.y, real_t(0.0), real_t(0.4)));
} else {
uvs_ptr[p_idx + k] = Vector2(Math::range_lerp(quad_faces[k].x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(quad_faces[k].y, -min_p.y, -max_p.y, real_t(0.0), real_t(1.0)));
}
tangents_ptr[(p_idx + k) * 4 + 0] = 1.0;
tangents_ptr[(p_idx + k) * 4 + 1] = 0.0;
tangents_ptr[(p_idx + k) * 4 + 2] = 0.0;
tangents_ptr[(p_idx + k) * 4 + 3] = 1.0;
}
indices_ptr[i_idx++] = p_idx;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 0;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 3;
p_idx += 4;
offset.x += glyphs[i].advance * pixel_size;
}
}
}
if (p_size == 0) {
// If empty, add single trinagle to suppress errors.
vertices.push_back(Vector3());
normals.push_back(Vector3());
uvs.push_back(Vector2());
tangents.push_back(1.0);
tangents.push_back(0.0);
tangents.push_back(0.0);
tangents.push_back(1.0);
indices.push_back(0);
indices.push_back(0);
indices.push_back(0);
}
p_arr[RS::ARRAY_VERTEX] = vertices;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void TextMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &TextMesh::set_horizontal_alignment);
ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &TextMesh::get_horizontal_alignment);
ClassDB::bind_method(D_METHOD("set_text", "text"), &TextMesh::set_text);
ClassDB::bind_method(D_METHOD("get_text"), &TextMesh::get_text);
ClassDB::bind_method(D_METHOD("set_font", "font"), &TextMesh::set_font);
ClassDB::bind_method(D_METHOD("get_font"), &TextMesh::get_font);
ClassDB::bind_method(D_METHOD("set_font_size", "font_size"), &TextMesh::set_font_size);
ClassDB::bind_method(D_METHOD("get_font_size"), &TextMesh::get_font_size);
ClassDB::bind_method(D_METHOD("set_depth", "depth"), &TextMesh::set_depth);
ClassDB::bind_method(D_METHOD("get_depth"), &TextMesh::get_depth);
ClassDB::bind_method(D_METHOD("set_width", "width"), &TextMesh::set_width);
ClassDB::bind_method(D_METHOD("get_width"), &TextMesh::get_width);
ClassDB::bind_method(D_METHOD("set_pixel_size", "pixel_size"), &TextMesh::set_pixel_size);
ClassDB::bind_method(D_METHOD("get_pixel_size"), &TextMesh::get_pixel_size);
ClassDB::bind_method(D_METHOD("set_curve_step", "curve_step"), &TextMesh::set_curve_step);
ClassDB::bind_method(D_METHOD("get_curve_step"), &TextMesh::get_curve_step);
ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &TextMesh::set_text_direction);
ClassDB::bind_method(D_METHOD("get_text_direction"), &TextMesh::get_text_direction);
ClassDB::bind_method(D_METHOD("set_opentype_feature", "tag", "value"), &TextMesh::set_opentype_feature);
ClassDB::bind_method(D_METHOD("get_opentype_feature", "tag"), &TextMesh::get_opentype_feature);
ClassDB::bind_method(D_METHOD("clear_opentype_features"), &TextMesh::clear_opentype_features);
ClassDB::bind_method(D_METHOD("set_language", "language"), &TextMesh::set_language);
ClassDB::bind_method(D_METHOD("get_language"), &TextMesh::get_language);
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &TextMesh::set_structured_text_bidi_override);
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &TextMesh::get_structured_text_bidi_override);
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &TextMesh::set_structured_text_bidi_override_options);
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &TextMesh::get_structured_text_bidi_override_options);
ClassDB::bind_method(D_METHOD("set_uppercase", "enable"), &TextMesh::set_uppercase);
ClassDB::bind_method(D_METHOD("is_uppercase"), &TextMesh::is_uppercase);
ClassDB::bind_method(D_METHOD("_font_changed"), &TextMesh::_font_changed);
ClassDB::bind_method(D_METHOD("_request_update"), &TextMesh::_request_update);
ADD_GROUP("Text", "");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "font", PROPERTY_HINT_RESOURCE_TYPE, "Font"), "set_font", "get_font");
ADD_PROPERTY(PropertyInfo(Variant::INT, "font_size", PROPERTY_HINT_RANGE, "1,127,1"), "set_font_size", "get_font_size");
ADD_PROPERTY(PropertyInfo(Variant::INT, "horizontal_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_horizontal_alignment", "get_horizontal_alignment");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase");
ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
ADD_GROUP("Mesh", "");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "pixel_size", PROPERTY_HINT_RANGE, "0.0001,128,0.0001"), "set_pixel_size", "get_pixel_size");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "curve_step", PROPERTY_HINT_RANGE, "0.1,10,0.1"), "set_curve_step", "get_curve_step");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "depth", PROPERTY_HINT_RANGE, "0.0,100.0,0.001,or_greater"), "set_depth", "get_depth");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "width"), "set_width", "get_width");
ADD_GROUP("Locale", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left"), "set_text_direction", "get_text_direction");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
}
void TextMesh::_notification(int p_what) {
switch (p_what) {
case MainLoop::NOTIFICATION_TRANSLATION_CHANGED: {
String new_text = tr(text);
if (new_text == xl_text) {
return; // Nothing new.
}
xl_text = new_text;
dirty_text = true;
_request_update();
} break;
}
}
bool TextMesh::_set(const StringName &p_name, const Variant &p_value) {
String str = p_name;
if (str.begins_with("opentype_features/")) {
String name = str.get_slicec('/', 1);
int32_t tag = TS->name_to_tag(name);
int value = p_value;
if (value == -1) {
if (opentype_features.has(tag)) {
opentype_features.erase(tag);
dirty_font = true;
_request_update();
}
} else {
if (!opentype_features.has(tag) || (int)opentype_features[tag] != value) {
opentype_features[tag] = value;
dirty_font = true;
_request_update();
}
}
notify_property_list_changed();
return true;
}
return false;
}
bool TextMesh::_get(const StringName &p_name, Variant &r_ret) const {
String str = p_name;
if (str.begins_with("opentype_features/")) {
String name = str.get_slicec('/', 1);
int32_t tag = TS->name_to_tag(name);
if (opentype_features.has(tag)) {
r_ret = opentype_features[tag];
return true;
} else {
r_ret = -1;
return true;
}
}
return false;
}
void TextMesh::_get_property_list(List<PropertyInfo> *p_list) const {
for (const Variant *ftr = opentype_features.next(nullptr); ftr != nullptr; ftr = opentype_features.next(ftr)) {
String name = TS->tag_to_name(*ftr);
p_list->push_back(PropertyInfo(Variant::INT, "opentype_features/" + name));
}
p_list->push_back(PropertyInfo(Variant::NIL, "opentype_features/_new", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR));
}
TextMesh::TextMesh() {
primitive_type = PRIMITIVE_TRIANGLES;
text_rid = TS->create_shaped_text();
}
TextMesh::~TextMesh() {
TS->free_rid(text_rid);
}
void TextMesh::set_horizontal_alignment(HorizontalAlignment p_alignment) {
ERR_FAIL_INDEX((int)p_alignment, 4);
if (horizontal_alignment != p_alignment) {
horizontal_alignment = p_alignment;
_request_update();
}
}
HorizontalAlignment TextMesh::get_horizontal_alignment() const {
return horizontal_alignment;
}
void TextMesh::set_text(const String &p_string) {
if (text != p_string) {
text = p_string;
xl_text = tr(text);
dirty_text = true;
_request_update();
}
}
String TextMesh::get_text() const {
return text;
}
void TextMesh::_font_changed() {
dirty_font = true;
dirty_cache = true;
call_deferred(SNAME("_request_update"));
}
void TextMesh::set_font(const Ref<Font> &p_font) {
if (font_override != p_font) {
if (font_override.is_valid()) {
font_override->disconnect(CoreStringNames::get_singleton()->changed, Callable(this, "_font_changed"));
}
font_override = p_font;
dirty_font = true;
dirty_cache = true;
if (font_override.is_valid()) {
font_override->connect(CoreStringNames::get_singleton()->changed, Callable(this, "_font_changed"));
}
_request_update();
}
}
Ref<Font> TextMesh::get_font() const {
return font_override;
}
Ref<Font> TextMesh::_get_font_or_default() const {
if (font_override.is_valid() && font_override->get_data_count() > 0) {
return font_override;
}
// Check the project-defined Theme resource.
if (Theme::get_project_default().is_valid()) {
List<StringName> theme_types;
Theme::get_project_default()->get_type_dependencies(get_class_name(), StringName(), &theme_types);
for (const StringName &E : theme_types) {
if (Theme::get_project_default()->has_theme_item(Theme::DATA_TYPE_FONT, "font", E)) {
return Theme::get_project_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", E);
}
}
}
// Lastly, fall back on the items defined in the default Theme, if they exist.
{
List<StringName> theme_types;
Theme::get_default()->get_type_dependencies(get_class_name(), StringName(), &theme_types);
for (const StringName &E : theme_types) {
if (Theme::get_default()->has_theme_item(Theme::DATA_TYPE_FONT, "font", E)) {
return Theme::get_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", E);
}
}
}
// If they don't exist, use any type to return the default/empty value.
return Theme::get_default()->get_theme_item(Theme::DATA_TYPE_FONT, "font", StringName());
}
void TextMesh::set_font_size(int p_size) {
if (font_size != p_size) {
font_size = CLAMP(p_size, 1, 127);
dirty_font = true;
dirty_cache = true;
_request_update();
}
}
int TextMesh::get_font_size() const {
return font_size;
}
void TextMesh::set_depth(real_t p_depth) {
if (depth != p_depth) {
depth = MAX(p_depth, 0.0);
_request_update();
}
}
real_t TextMesh::get_depth() const {
return depth;
}
void TextMesh::set_width(real_t p_width) {
if (width != p_width) {
width = p_width;
_request_update();
}
}
real_t TextMesh::get_width() const {
return width;
}
void TextMesh::set_pixel_size(real_t p_amount) {
if (pixel_size != p_amount) {
pixel_size = CLAMP(p_amount, 0.0001, 128.0);
dirty_cache = true;
_request_update();
}
}
real_t TextMesh::get_pixel_size() const {
return pixel_size;
}
void TextMesh::set_curve_step(real_t p_step) {
if (curve_step != p_step) {
curve_step = CLAMP(p_step, 0.1, 10.0);
dirty_cache = true;
_request_update();
}
}
real_t TextMesh::get_curve_step() const {
return curve_step;
}
void TextMesh::set_text_direction(TextServer::Direction p_text_direction) {
ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
if (text_direction != p_text_direction) {
text_direction = p_text_direction;
dirty_text = true;
_request_update();
}
}
TextServer::Direction TextMesh::get_text_direction() const {
return text_direction;
}
void TextMesh::clear_opentype_features() {
opentype_features.clear();
dirty_font = true;
_request_update();
}
void TextMesh::set_opentype_feature(const String &p_name, int p_value) {
int32_t tag = TS->name_to_tag(p_name);
if (!opentype_features.has(tag) || (int)opentype_features[tag] != p_value) {
opentype_features[tag] = p_value;
dirty_font = true;
_request_update();
}
}
int TextMesh::get_opentype_feature(const String &p_name) const {
int32_t tag = TS->name_to_tag(p_name);
if (!opentype_features.has(tag)) {
return -1;
}
return opentype_features[tag];
}
void TextMesh::set_language(const String &p_language) {
if (language != p_language) {
language = p_language;
dirty_text = true;
_request_update();
}
}
String TextMesh::get_language() const {
return language;
}
void TextMesh::set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser) {
if (st_parser != p_parser) {
st_parser = p_parser;
dirty_text = true;
_request_update();
}
}
TextServer::StructuredTextParser TextMesh::get_structured_text_bidi_override() const {
return st_parser;
}
void TextMesh::set_structured_text_bidi_override_options(Array p_args) {
if (st_args != p_args) {
st_args = p_args;
dirty_text = true;
_request_update();
}
}
Array TextMesh::get_structured_text_bidi_override_options() const {
return st_args;
}
void TextMesh::set_uppercase(bool p_uppercase) {
if (uppercase != p_uppercase) {
uppercase = p_uppercase;
dirty_text = true;
_request_update();
}
}
bool TextMesh::is_uppercase() const {
return uppercase;
}

126
scene/resources/primitive_meshes.h
View file

@ -31,7 +31,9 @@
#ifndef PRIMITIVE_MESHES_H
#define PRIMITIVE_MESHES_H
#include "scene/resources/font.h"
#include "scene/resources/mesh.h"
#include "servers/text_server.h"
///@TODO probably should change a few integers to unsigned integers...
@ -447,5 +449,129 @@ public:
RibbonTrailMesh();
};
/**
Text...
*/
class TextMesh : public PrimitiveMesh {
GDCLASS(TextMesh, PrimitiveMesh);
private:
struct ContourPoint {
Vector2 point;
bool sharp = false;
ContourPoint(){};
ContourPoint(const Vector2 &p_pt, bool p_sharp) {
point = p_pt;
sharp = p_sharp;
};
};
struct ContourInfo {
real_t length = 0.0;
bool ccw = true;
ContourInfo(){};
ContourInfo(real_t p_len, bool p_ccw) {
length = p_len;
ccw = p_ccw;
}
};
struct GlyphMeshData {
Vector<Vector2> triangles;
Vector<Vector<ContourPoint>> contours;
Vector<ContourInfo> contours_info;
Vector2 min_p = Vector2(INFINITY, INFINITY);
Vector2 max_p = Vector2(-INFINITY, -INFINITY);
};
mutable HashMap<uint32_t, GlyphMeshData> cache;
RID text_rid;
String text;
String xl_text;
int font_size = 16;
Ref<Font> font_override;
float width = 500.0;
HorizontalAlignment horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER;
bool uppercase = false;
Dictionary opentype_features;
String language;
TextServer::Direction text_direction = TextServer::DIRECTION_AUTO;
TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT;
Array st_args;
real_t depth = 0.05;
real_t pixel_size = 0.01;
real_t curve_step = 0.5;
mutable bool dirty_text = true;
mutable bool dirty_font = true;
mutable bool dirty_cache = true;
void _generate_glyph_mesh_data(uint32_t p_hash, const Glyph &p_glyph) const;
void _font_changed();
protected:
static void _bind_methods();
void _notification(int p_what);
virtual void _create_mesh_array(Array &p_arr) const override;
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
public:
GDVIRTUAL2RC(Array, _structured_text_parser, Array, String)
TextMesh();
~TextMesh();
void set_horizontal_alignment(HorizontalAlignment p_alignment);
HorizontalAlignment get_horizontal_alignment() const;
void set_text(const String &p_string);
String get_text() const;
void set_font(const Ref<Font> &p_font);
Ref<Font> get_font() const;
Ref<Font> _get_font_or_default() const;
void set_font_size(int p_size);
int get_font_size() const;
void set_text_direction(TextServer::Direction p_text_direction);
TextServer::Direction get_text_direction() const;
void set_opentype_feature(const String &p_name, int p_value);
int get_opentype_feature(const String &p_name) const;
void clear_opentype_features();
void set_language(const String &p_language);
String get_language() const;
void set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser);
TextServer::StructuredTextParser get_structured_text_bidi_override() const;
void set_structured_text_bidi_override_options(Array p_args);
Array get_structured_text_bidi_override_options() const;
void set_uppercase(bool p_uppercase);
bool is_uppercase() const;
void set_width(real_t p_width);
real_t get_width() const;
void set_depth(real_t p_depth);
real_t get_depth() const;
void set_curve_step(real_t p_step);
real_t get_curve_step() const;
void set_pixel_size(real_t p_amount);
real_t get_pixel_size() const;
};
VARIANT_ENUM_CAST(RibbonTrailMesh::Shape)
#endif