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godot/modules/text_server_fb/text_server_fb.cpp
rune-scape 2fc5321d39 TextServerFallback: improve performance by removing redundant lookups 
+ caching editor setting
+ using a faster hash method on the FontForSizeFallback cache
+ SafeFlag instead of mutex for ShapedTextDataFallback::valid bc its read Very often
2024-08-28 13:10:43 -07:00

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/**************************************************************************/
/* text_server_fb.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "text_server_fb.h"
#ifdef GDEXTENSION
// Headers for building as GDExtension plug-in.
#include <godot_cpp/classes/file_access.hpp>
#include <godot_cpp/classes/os.hpp>
#include <godot_cpp/classes/project_settings.hpp>
#include <godot_cpp/classes/rendering_server.hpp>
#include <godot_cpp/classes/translation_server.hpp>
#include <godot_cpp/core/error_macros.hpp>
#define OT_TAG(m_c1, m_c2, m_c3, m_c4) ((int32_t)((((uint32_t)(m_c1) & 0xff) << 24) | (((uint32_t)(m_c2) & 0xff) << 16) | (((uint32_t)(m_c3) & 0xff) << 8) | ((uint32_t)(m_c4) & 0xff)))
using namespace godot;
#define GLOBAL_GET(m_var) ProjectSettings::get_singleton()->get_setting_with_override(m_var)
#elif defined(GODOT_MODULE)
// Headers for building as built-in module.
#include "core/config/project_settings.h"
#include "core/error/error_macros.h"
#include "core/string/print_string.h"
#include "core/string/translation_server.h"
#include "modules/modules_enabled.gen.h" // For freetype, msdfgen, svg.
#endif
// Thirdparty headers.
#ifdef MODULE_MSDFGEN_ENABLED
#ifdef _MSC_VER
#pragma warning(disable : 4458)
#endif
#include <core/ShapeDistanceFinder.h>
#include <core/contour-combiners.h>
#include <core/edge-selectors.h>
#include <msdfgen.h>
#ifdef _MSC_VER
#pragma warning(default : 4458)
#endif
#endif
#ifdef MODULE_FREETYPE_ENABLED
#include FT_SFNT_NAMES_H
#include FT_TRUETYPE_IDS_H
#ifdef MODULE_SVG_ENABLED
#include "thorvg_svg_in_ot.h"
#endif
#endif
/*************************************************************************/
bool TextServerFallback::_has_feature(Feature p_feature) const {
switch (p_feature) {
case FEATURE_SIMPLE_LAYOUT:
case FEATURE_FONT_BITMAP:
#ifdef MODULE_FREETYPE_ENABLED
case FEATURE_FONT_DYNAMIC:
#endif
#ifdef MODULE_MSDFGEN_ENABLED
case FEATURE_FONT_MSDF:
#endif
return true;
default: {
}
}
return false;
}
String TextServerFallback::_get_name() const {
#ifdef GDEXTENSION
return "Fallback (GDExtension)";
#elif defined(GODOT_MODULE)
return "Fallback (Built-in)";
#endif
}
int64_t TextServerFallback::_get_features() const {
int64_t interface_features = FEATURE_SIMPLE_LAYOUT | FEATURE_FONT_BITMAP;
#ifdef MODULE_FREETYPE_ENABLED
interface_features |= FEATURE_FONT_DYNAMIC;
#endif
#ifdef MODULE_MSDFGEN_ENABLED
interface_features |= FEATURE_FONT_MSDF;
#endif
return interface_features;
}
void TextServerFallback::_free_rid(const RID &p_rid) {
_THREAD_SAFE_METHOD_
if (font_owner.owns(p_rid)) {
MutexLock ftlock(ft_mutex);
FontFallback *fd = font_owner.get_or_null(p_rid);
{
MutexLock lock(fd->mutex);
font_owner.free(p_rid);
}
memdelete(fd);
} else if (font_var_owner.owns(p_rid)) {
MutexLock ftlock(ft_mutex);
FontFallbackLinkedVariation *fdv = font_var_owner.get_or_null(p_rid);
{
font_var_owner.free(p_rid);
}
memdelete(fdv);
} else if (shaped_owner.owns(p_rid)) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_rid);
{
MutexLock lock(sd->mutex);
shaped_owner.free(p_rid);
}
memdelete(sd);
}
}
bool TextServerFallback::_has(const RID &p_rid) {
_THREAD_SAFE_METHOD_
return font_owner.owns(p_rid) || shaped_owner.owns(p_rid);
}
String TextServerFallback::_get_support_data_filename() const {
return "";
};
String TextServerFallback::_get_support_data_info() const {
return "Not supported";
};
bool TextServerFallback::_load_support_data(const String &p_filename) {
return false; // No extra data used.
}
bool TextServerFallback::_save_support_data(const String &p_filename) const {
return false; // No extra data used.
}
bool TextServerFallback::_is_locale_right_to_left(const String &p_locale) const {
return false; // No RTL support.
}
_FORCE_INLINE_ void TextServerFallback::_insert_feature(const StringName &p_name, int32_t p_tag) {
feature_sets.insert(p_name, p_tag);
feature_sets_inv.insert(p_tag, p_name);
}
void TextServerFallback::_insert_feature_sets() {
// Registered OpenType variation tag.
_insert_feature("italic", OT_TAG('i', 't', 'a', 'l'));
_insert_feature("optical_size", OT_TAG('o', 'p', 's', 'z'));
_insert_feature("slant", OT_TAG('s', 'l', 'n', 't'));
_insert_feature("width", OT_TAG('w', 'd', 't', 'h'));
_insert_feature("weight", OT_TAG('w', 'g', 'h', 't'));
}
_FORCE_INLINE_ int32_t ot_tag_from_string(const char *p_str, int p_len) {
char tag[4];
uint32_t i;
if (!p_str || !p_len || !*p_str) {
return OT_TAG(0, 0, 0, 0);
}
if (p_len < 0 || p_len > 4) {
p_len = 4;
}
for (i = 0; i < (uint32_t)p_len && p_str[i]; i++) {
tag[i] = p_str[i];
}
for (; i < 4; i++) {
tag[i] = ' ';
}
return OT_TAG(tag[0], tag[1], tag[2], tag[3]);
}
int64_t TextServerFallback::_name_to_tag(const String &p_name) const {
if (feature_sets.has(p_name)) {
return feature_sets[p_name];
}
// No readable name, use tag string.
return ot_tag_from_string(p_name.replace("custom_", "").ascii().get_data(), -1);
}
_FORCE_INLINE_ void ot_tag_to_string(int32_t p_tag, char *p_buf) {
p_buf[0] = (char)(uint8_t)(p_tag >> 24);
p_buf[1] = (char)(uint8_t)(p_tag >> 16);
p_buf[2] = (char)(uint8_t)(p_tag >> 8);
p_buf[3] = (char)(uint8_t)(p_tag >> 0);
}
String TextServerFallback::_tag_to_name(int64_t p_tag) const {
if (feature_sets_inv.has(p_tag)) {
return feature_sets_inv[p_tag];
}
// No readable name, use tag string.
char name[5];
memset(name, 0, 5);
ot_tag_to_string(p_tag, name);
return String("custom_") + String(name);
}
/*************************************************************************/
/* Font Glyph Rendering */
/*************************************************************************/
_FORCE_INLINE_ TextServerFallback::FontTexturePosition TextServerFallback::find_texture_pos_for_glyph(FontForSizeFallback *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height, bool p_msdf) const {
FontTexturePosition ret;
int mw = p_width;
int mh = p_height;
ShelfPackTexture *ct = p_data->textures.ptrw();
for (int32_t i = 0; i < p_data->textures.size(); i++) {
if (ct[i].image.is_null()) {
continue;
}
if (p_image_format != ct[i].image->get_format()) {
continue;
}
if (mw > ct[i].texture_w || mh > ct[i].texture_h) { // Too big for this texture.
continue;
}
ret = ct[i].pack_rect(i, mh, mw);
if (ret.index != -1) {
break;
}
}
if (ret.index == -1) {
// Could not find texture to fit, create one.
int texsize = MAX(p_data->size.x * p_data->oversampling * 8, 256);
texsize = next_power_of_2(texsize);
if (p_msdf) {
texsize = MIN(texsize, 2048);
} else {
texsize = MIN(texsize, 1024);
}
if (mw > texsize) { // Special case, adapt to it?
texsize = next_power_of_2(mw);
}
if (mh > texsize) { // Special case, adapt to it?
texsize = next_power_of_2(mh);
}
ShelfPackTexture tex = ShelfPackTexture(texsize, texsize);
tex.image = Image::create_empty(texsize, texsize, false, p_image_format);
{
// Zero texture.
uint8_t *w = tex.image->ptrw();
ERR_FAIL_COND_V(texsize * texsize * p_color_size > tex.image->get_data_size(), ret);
// Initialize the texture to all-white pixels to prevent artifacts when the
// font is displayed at a non-default scale with filtering enabled.
if (p_color_size == 2) {
for (int i = 0; i < texsize * texsize * p_color_size; i += 2) { // FORMAT_LA8, BW font.
w[i + 0] = 255;
w[i + 1] = 0;
}
} else if (p_color_size == 4) {
for (int i = 0; i < texsize * texsize * p_color_size; i += 4) { // FORMAT_RGBA8, Color font, Multichannel(+True) SDF.
w[i + 0] = 255;
w[i + 1] = 255;
w[i + 2] = 255;
w[i + 3] = 0;
}
} else {
ERR_FAIL_V(ret);
}
}
p_data->textures.push_back(tex);
int32_t idx = p_data->textures.size() - 1;
ret = p_data->textures.write[idx].pack_rect(idx, mh, mw);
}
return ret;
}
#ifdef MODULE_MSDFGEN_ENABLED
struct MSContext {
msdfgen::Point2 position;
msdfgen::Shape *shape = nullptr;
msdfgen::Contour *contour = nullptr;
};
class DistancePixelConversion {
double invRange;
public:
_FORCE_INLINE_ explicit DistancePixelConversion(double range) :
invRange(1 / range) {}
_FORCE_INLINE_ void operator()(float *pixels, const msdfgen::MultiAndTrueDistance &distance) const {
pixels[0] = float(invRange * distance.r + .5);
pixels[1] = float(invRange * distance.g + .5);
pixels[2] = float(invRange * distance.b + .5);
pixels[3] = float(invRange * distance.a + .5);
}
};
struct MSDFThreadData {
msdfgen::Bitmap<float, 4> *output;
msdfgen::Shape *shape;
msdfgen::Projection *projection;
DistancePixelConversion *distancePixelConversion;
};
static msdfgen::Point2 ft_point2(const FT_Vector &vector) {
return msdfgen::Point2(vector.x / 60.0f, vector.y / 60.0f);
}
static int ft_move_to(const FT_Vector *to, void *user) {
MSContext *context = static_cast<MSContext *>(user);
if (!(context->contour && context->contour->edges.empty())) {
context->contour = &context->shape->addContour();
}
context->position = ft_point2(*to);
return 0;
}
static int ft_line_to(const FT_Vector *to, void *user) {
MSContext *context = static_cast<MSContext *>(user);
msdfgen::Point2 endpoint = ft_point2(*to);
if (endpoint != context->position) {
context->contour->addEdge(new msdfgen::LinearSegment(context->position, endpoint));
context->position = endpoint;
}
return 0;
}
static int ft_conic_to(const FT_Vector *control, const FT_Vector *to, void *user) {
MSContext *context = static_cast<MSContext *>(user);
context->contour->addEdge(new msdfgen::QuadraticSegment(context->position, ft_point2(*control), ft_point2(*to)));
context->position = ft_point2(*to);
return 0;
}
static int ft_cubic_to(const FT_Vector *control1, const FT_Vector *control2, const FT_Vector *to, void *user) {
MSContext *context = static_cast<MSContext *>(user);
context->contour->addEdge(new msdfgen::CubicSegment(context->position, ft_point2(*control1), ft_point2(*control2), ft_point2(*to)));
context->position = ft_point2(*to);
return 0;
}
void TextServerFallback::_generateMTSDF_threaded(void *p_td, uint32_t p_y) {
MSDFThreadData *td = static_cast<MSDFThreadData *>(p_td);
msdfgen::ShapeDistanceFinder<msdfgen::OverlappingContourCombiner<msdfgen::MultiAndTrueDistanceSelector>> distanceFinder(*td->shape);
int row = td->shape->inverseYAxis ? td->output->height() - p_y - 1 : p_y;
for (int col = 0; col < td->output->width(); ++col) {
int x = (p_y % 2) ? td->output->width() - col - 1 : col;
msdfgen::Point2 p = td->projection->unproject(msdfgen::Point2(x + .5, p_y + .5));
msdfgen::MultiAndTrueDistance distance = distanceFinder.distance(p);
td->distancePixelConversion->operator()(td->output->operator()(x, row), distance);
}
}
_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(FontFallback *p_font_data, FontForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *p_outline, const Vector2 &p_advance) const {
msdfgen::Shape shape;
shape.contours.clear();
shape.inverseYAxis = false;
MSContext context = {};
context.shape = &shape;
FT_Outline_Funcs ft_functions;
ft_functions.move_to = &ft_move_to;
ft_functions.line_to = &ft_line_to;
ft_functions.conic_to = &ft_conic_to;
ft_functions.cubic_to = &ft_cubic_to;
ft_functions.shift = 0;
ft_functions.delta = 0;
int error = FT_Outline_Decompose(p_outline, &ft_functions, &context);
ERR_FAIL_COND_V_MSG(error, FontGlyph(), "FreeType: Outline decomposition error: '" + String(FT_Error_String(error)) + "'.");
if (!shape.contours.empty() && shape.contours.back().edges.empty()) {
shape.contours.pop_back();
}
if (FT_Outline_Get_Orientation(p_outline) == 1) {
for (int i = 0; i < (int)shape.contours.size(); ++i) {
shape.contours[i].reverse();
}
}
shape.inverseYAxis = true;
shape.normalize();
msdfgen::Shape::Bounds bounds = shape.getBounds(p_pixel_range);
FontGlyph chr;
chr.found = true;
chr.advance = p_advance;
if (shape.validate() && shape.contours.size() > 0) {
int w = (bounds.r - bounds.l);
int h = (bounds.t - bounds.b);
if (w == 0 || h == 0) {
chr.texture_idx = -1;
chr.uv_rect = Rect2();
chr.rect = Rect2();
return chr;
}
int mw = w + p_rect_margin * 4;
int mh = h + p_rect_margin * 4;
ERR_FAIL_COND_V(mw > 4096, FontGlyph());
ERR_FAIL_COND_V(mh > 4096, FontGlyph());
FontTexturePosition tex_pos = find_texture_pos_for_glyph(p_data, 4, Image::FORMAT_RGBA8, mw, mh, true);
ERR_FAIL_COND_V(tex_pos.index < 0, FontGlyph());
ShelfPackTexture &tex = p_data->textures.write[tex_pos.index];
edgeColoringSimple(shape, 3.0); // Max. angle.
msdfgen::Bitmap<float, 4> image(w, h); // Texture size.
DistancePixelConversion distancePixelConversion(p_pixel_range);
msdfgen::Projection projection(msdfgen::Vector2(1.0, 1.0), msdfgen::Vector2(-bounds.l, -bounds.b));
msdfgen::MSDFGeneratorConfig config(true, msdfgen::ErrorCorrectionConfig());
MSDFThreadData td;
td.output = &image;
td.shape = &shape;
td.projection = &projection;
td.distancePixelConversion = &distancePixelConversion;
WorkerThreadPool::GroupID group_task = WorkerThreadPool::get_singleton()->add_native_group_task(&TextServerFallback::_generateMTSDF_threaded, &td, h, -1, true, String("TextServerFBRenderMSDF"));
WorkerThreadPool::get_singleton()->wait_for_group_task_completion(group_task);
msdfgen::msdfErrorCorrection(image, shape, projection, p_pixel_range, config);
{
uint8_t *wr = tex.image->ptrw();
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
int ofs = ((i + tex_pos.y + p_rect_margin * 2) * tex.texture_w + j + tex_pos.x + p_rect_margin * 2) * 4;
ERR_FAIL_COND_V(ofs >= tex.image->get_data_size(), FontGlyph());
wr[ofs + 0] = (uint8_t)(CLAMP(image(j, i)[0] * 256.f, 0.f, 255.f));
wr[ofs + 1] = (uint8_t)(CLAMP(image(j, i)[1] * 256.f, 0.f, 255.f));
wr[ofs + 2] = (uint8_t)(CLAMP(image(j, i)[2] * 256.f, 0.f, 255.f));
wr[ofs + 3] = (uint8_t)(CLAMP(image(j, i)[3] * 256.f, 0.f, 255.f));
}
}
}
tex.dirty = true;
chr.texture_idx = tex_pos.index;
chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w + p_rect_margin * 2, h + p_rect_margin * 2);
chr.rect.position = Vector2(bounds.l - p_rect_margin, -bounds.t - p_rect_margin);
chr.rect.size = chr.uv_rect.size;
}
return chr;
}
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitmap(FontForSizeFallback *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const {
FontGlyph chr;
chr.advance = p_advance * p_data->scale / p_data->oversampling;
chr.found = true;
int w = p_bitmap.width;
int h = p_bitmap.rows;
if (w == 0 || h == 0) {
chr.texture_idx = -1;
chr.uv_rect = Rect2();
chr.rect = Rect2();
return chr;
}
int color_size = 2;
switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO:
case FT_PIXEL_MODE_GRAY: {
color_size = 2;
} break;
case FT_PIXEL_MODE_BGRA: {
color_size = 4;
} break;
case FT_PIXEL_MODE_LCD: {
color_size = 4;
w /= 3;
} break;
case FT_PIXEL_MODE_LCD_V: {
color_size = 4;
h /= 3;
} break;
}
int mw = w + p_rect_margin * 4;
int mh = h + p_rect_margin * 4;
ERR_FAIL_COND_V(mw > 4096, FontGlyph());
ERR_FAIL_COND_V(mh > 4096, FontGlyph());
Image::Format require_format = color_size == 4 ? Image::FORMAT_RGBA8 : Image::FORMAT_LA8;
FontTexturePosition tex_pos = find_texture_pos_for_glyph(p_data, color_size, require_format, mw, mh, false);
ERR_FAIL_COND_V(tex_pos.index < 0, FontGlyph());
// Fit character in char texture.
ShelfPackTexture &tex = p_data->textures.write[tex_pos.index];
{
uint8_t *wr = tex.image->ptrw();
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
int ofs = ((i + tex_pos.y + p_rect_margin * 2) * tex.texture_w + j + tex_pos.x + p_rect_margin * 2) * color_size;
ERR_FAIL_COND_V(ofs >= tex.image->get_data_size(), FontGlyph());
switch (p_bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO: {
int byte = i * p_bitmap.pitch + (j >> 3);
int bit = 1 << (7 - (j % 8));
wr[ofs + 0] = 255; // grayscale as 1
wr[ofs + 1] = (p_bitmap.buffer[byte] & bit) ? 255 : 0;
} break;
case FT_PIXEL_MODE_GRAY:
wr[ofs + 0] = 255; // grayscale as 1
wr[ofs + 1] = p_bitmap.buffer[i * p_bitmap.pitch + j];
break;
case FT_PIXEL_MODE_BGRA: {
int ofs_color = i * p_bitmap.pitch + (j << 2);
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = p_bitmap.buffer[ofs_color + 3];
} break;
case FT_PIXEL_MODE_LCD: {
int ofs_color = i * p_bitmap.pitch + (j * 3);
if (p_bgra) {
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + 1];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 2];
wr[ofs + 3] = 255;
}
} break;
case FT_PIXEL_MODE_LCD_V: {
int ofs_color = i * p_bitmap.pitch * 3 + j;
if (p_bgra) {
wr[ofs + 0] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 3] = 255;
} else {
wr[ofs + 0] = p_bitmap.buffer[ofs_color + 0];
wr[ofs + 1] = p_bitmap.buffer[ofs_color + p_bitmap.pitch];
wr[ofs + 2] = p_bitmap.buffer[ofs_color + p_bitmap.pitch * 2];
wr[ofs + 3] = 255;
}
} break;
default:
ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + String::num_int64(p_bitmap.pixel_mode) + ".");
break;
}
}
}
}
tex.dirty = true;
chr.texture_idx = tex_pos.index;
chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w + p_rect_margin * 2, h + p_rect_margin * 2);
chr.rect.position = Vector2(p_xofs - p_rect_margin, -p_yofs - p_rect_margin) * p_data->scale / p_data->oversampling;
chr.rect.size = chr.uv_rect.size * p_data->scale / p_data->oversampling;
return chr;
}
#endif
/*************************************************************************/
/* Font Cache */
/*************************************************************************/
_FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontFallback *p_font_data, const Vector2i &p_size, int32_t p_glyph, FontGlyph &r_glyph) const {
FontForSizeFallback *fd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(p_font_data, p_size, fd), false);
int32_t glyph_index = p_glyph & 0xffffff; // Remove subpixel shifts.
HashMap<int32_t, FontGlyph>::Iterator E = fd->glyph_map.find(p_glyph);
if (E) {
r_glyph = E->value;
return E->value.found;
}
if (glyph_index == 0) { // Non graphical or invalid glyph, do not render.
E = fd->glyph_map.insert(p_glyph, FontGlyph());
r_glyph = E->value;
return true;
}
#ifdef MODULE_FREETYPE_ENABLED
FontGlyph gl;
if (fd->face) {
FT_Int32 flags = FT_LOAD_DEFAULT;
bool outline = p_size.y > 0;
switch (p_font_data->hinting) {
case TextServer::HINTING_NONE:
flags |= FT_LOAD_NO_HINTING;
break;
case TextServer::HINTING_LIGHT:
flags |= FT_LOAD_TARGET_LIGHT;
break;
default:
flags |= FT_LOAD_TARGET_NORMAL;
break;
}
if (p_font_data->force_autohinter) {
flags |= FT_LOAD_FORCE_AUTOHINT;
}
if (outline || (p_font_data->disable_embedded_bitmaps && !FT_HAS_COLOR(fd->face))) {
flags |= FT_LOAD_NO_BITMAP;
} else if (FT_HAS_COLOR(fd->face)) {
flags |= FT_LOAD_COLOR;
}
glyph_index = FT_Get_Char_Index(fd->face, glyph_index);
FT_Fixed v, h;
FT_Get_Advance(fd->face, glyph_index, flags, &h);
FT_Get_Advance(fd->face, glyph_index, flags | FT_LOAD_VERTICAL_LAYOUT, &v);
int error = FT_Load_Glyph(fd->face, glyph_index, flags);
if (error) {
E = fd->glyph_map.insert(p_glyph, FontGlyph());
r_glyph = E->value;
return false;
}
if (!p_font_data->msdf) {
if ((p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && p_size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 4;
FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0);
} else if ((p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && p_size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 5;
FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0);
}
}
if (p_font_data->embolden != 0.f) {
FT_Pos strength = p_font_data->embolden * p_size.x * fd->oversampling * 4; // 26.6 fractional units (1 / 64).
FT_Outline_Embolden(&fd->face->glyph->outline, strength);
}
if (p_font_data->transform != Transform2D()) {
FT_Matrix mat = { FT_Fixed(p_font_data->transform[0][0] * 65536), FT_Fixed(p_font_data->transform[0][1] * 65536), FT_Fixed(p_font_data->transform[1][0] * 65536), FT_Fixed(p_font_data->transform[1][1] * 65536) }; // 16.16 fractional units (1 / 65536).
FT_Outline_Transform(&fd->face->glyph->outline, &mat);
}
FT_Render_Mode aa_mode = FT_RENDER_MODE_NORMAL;
bool bgra = false;
switch (p_font_data->antialiasing) {
case FONT_ANTIALIASING_NONE: {
aa_mode = FT_RENDER_MODE_MONO;
} break;
case FONT_ANTIALIASING_GRAY: {
aa_mode = FT_RENDER_MODE_NORMAL;
} break;
case FONT_ANTIALIASING_LCD: {
int aa_layout = (int)((p_glyph >> 24) & 7);
switch (aa_layout) {
case FONT_LCD_SUBPIXEL_LAYOUT_HRGB: {
aa_mode = FT_RENDER_MODE_LCD;
bgra = false;
} break;
case FONT_LCD_SUBPIXEL_LAYOUT_HBGR: {
aa_mode = FT_RENDER_MODE_LCD;
bgra = true;
} break;
case FONT_LCD_SUBPIXEL_LAYOUT_VRGB: {
aa_mode = FT_RENDER_MODE_LCD_V;
bgra = false;
} break;
case FONT_LCD_SUBPIXEL_LAYOUT_VBGR: {
aa_mode = FT_RENDER_MODE_LCD_V;
bgra = true;
} break;
default: {
aa_mode = FT_RENDER_MODE_NORMAL;
} break;
}
} break;
}
if (!outline) {
if (!p_font_data->msdf) {
error = FT_Render_Glyph(fd->face->glyph, aa_mode);
}
FT_GlyphSlot slot = fd->face->glyph;
if (!error) {
if (p_font_data->msdf) {
#ifdef MODULE_MSDFGEN_ENABLED
gl = rasterize_msdf(p_font_data, fd, p_font_data->msdf_range, rect_range, &slot->outline, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0);
#else
fd->glyph_map[p_glyph] = FontGlyph();
ERR_FAIL_V_MSG(false, "Compiled without MSDFGEN support!");
#endif
} else {
gl = rasterize_bitmap(fd, rect_range, slot->bitmap, slot->bitmap_top, slot->bitmap_left, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0, bgra);
}
}
} else {
FT_Stroker stroker;
if (FT_Stroker_New(ft_library, &stroker) != 0) {
fd->glyph_map[p_glyph] = FontGlyph();
ERR_FAIL_V_MSG(false, "FreeType: Failed to load glyph stroker.");
}
FT_Stroker_Set(stroker, (int)(fd->size.y * fd->oversampling * 16.0), FT_STROKER_LINECAP_BUTT, FT_STROKER_LINEJOIN_ROUND, 0);
FT_Glyph glyph;
FT_BitmapGlyph glyph_bitmap;
if (FT_Get_Glyph(fd->face->glyph, &glyph) != 0) {
goto cleanup_stroker;
}
if (FT_Glyph_Stroke(&glyph, stroker, 1) != 0) {
goto cleanup_glyph;
}
if (FT_Glyph_To_Bitmap(&glyph, aa_mode, nullptr, 1) != 0) {
goto cleanup_glyph;
}
glyph_bitmap = (FT_BitmapGlyph)glyph;
gl = rasterize_bitmap(fd, rect_range, glyph_bitmap->bitmap, glyph_bitmap->top, glyph_bitmap->left, Vector2(), bgra);
cleanup_glyph:
FT_Done_Glyph(glyph);
cleanup_stroker:
FT_Stroker_Done(stroker);
}
E = fd->glyph_map.insert(p_glyph, gl);
r_glyph = E->value;
return gl.found;
}
#endif
E = fd->glyph_map.insert(p_glyph, FontGlyph());
r_glyph = E->value;
return false;
}
_FORCE_INLINE_ bool TextServerFallback::_ensure_cache_for_size(FontFallback *p_font_data, const Vector2i &p_size, FontForSizeFallback *&r_cache_for_size) const {
ERR_FAIL_COND_V(p_size.x <= 0, false);
HashMap<Vector2i, FontForSizeFallback *>::Iterator E = p_font_data->cache.find(p_size);
if (E) {
r_cache_for_size = E->value;
return true;
}
r_cache_for_size = nullptr;
FontForSizeFallback *fd = memnew(FontForSizeFallback);
fd->size = p_size;
if (p_font_data->data_ptr && (p_font_data->data_size > 0)) {
// Init dynamic font.
#ifdef MODULE_FREETYPE_ENABLED
int error = 0;
{
MutexLock ftlock(ft_mutex);
if (!ft_library) {
error = FT_Init_FreeType(&ft_library);
if (error != 0) {
memdelete(fd);
ERR_FAIL_V_MSG(false, "FreeType: Error initializing library: '" + String(FT_Error_String(error)) + "'.");
}
#ifdef MODULE_SVG_ENABLED
FT_Property_Set(ft_library, "ot-svg", "svg-hooks", get_tvg_svg_in_ot_hooks());
#endif
}
memset(&fd->stream, 0, sizeof(FT_StreamRec));
fd->stream.base = (unsigned char *)p_font_data->data_ptr;
fd->stream.size = p_font_data->data_size;
fd->stream.pos = 0;
FT_Open_Args fargs;
memset(&fargs, 0, sizeof(FT_Open_Args));
fargs.memory_base = (unsigned char *)p_font_data->data_ptr;
fargs.memory_size = p_font_data->data_size;
fargs.flags = FT_OPEN_MEMORY;
fargs.stream = &fd->stream;
int max_index = 0;
FT_Face tmp_face = nullptr;
error = FT_Open_Face(ft_library, &fargs, -1, &tmp_face);
if (tmp_face && error == 0) {
max_index = tmp_face->num_faces - 1;
}
if (tmp_face) {
FT_Done_Face(tmp_face);
}
error = FT_Open_Face(ft_library, &fargs, CLAMP(p_font_data->face_index, 0, max_index), &fd->face);
if (error) {
FT_Done_Face(fd->face);
fd->face = nullptr;
memdelete(fd);
ERR_FAIL_V_MSG(false, "FreeType: Error loading font: '" + String(FT_Error_String(error)) + "'.");
}
}
if (p_font_data->msdf) {
fd->oversampling = 1.0;
fd->size.x = p_font_data->msdf_source_size;
} else if (p_font_data->oversampling <= 0.0) {
fd->oversampling = _font_get_global_oversampling();
} else {
fd->oversampling = p_font_data->oversampling;
}
if (FT_HAS_COLOR(fd->face) && fd->face->num_fixed_sizes > 0) {
int best_match = 0;
int diff = ABS(fd->size.x - ((int64_t)fd->face->available_sizes[0].width));
fd->scale = double(fd->size.x * fd->oversampling) / fd->face->available_sizes[0].width;
for (int i = 1; i < fd->face->num_fixed_sizes; i++) {
int ndiff = ABS(fd->size.x - ((int64_t)fd->face->available_sizes[i].width));
if (ndiff < diff) {
best_match = i;
diff = ndiff;
fd->scale = double(fd->size.x * fd->oversampling) / fd->face->available_sizes[i].width;
}
}
FT_Select_Size(fd->face, best_match);
} else {
FT_Set_Pixel_Sizes(fd->face, 0, Math::round(fd->size.x * fd->oversampling));
if (fd->face->size->metrics.y_ppem != 0) {
fd->scale = ((double)fd->size.x * fd->oversampling) / (double)fd->face->size->metrics.y_ppem;
}
}
fd->ascent = (fd->face->size->metrics.ascender / 64.0) / fd->oversampling * fd->scale;
fd->descent = (-fd->face->size->metrics.descender / 64.0) / fd->oversampling * fd->scale;
fd->underline_position = (-FT_MulFix(fd->face->underline_position, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale;
fd->underline_thickness = (FT_MulFix(fd->face->underline_thickness, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale;
if (!p_font_data->face_init) {
// When a font does not provide a `family_name`, FreeType tries to synthesize one based on other names.
// FreeType automatically converts non-ASCII characters to "?" in the synthesized name.
// To avoid that behavior, use the format-specific name directly if available.
if (FT_IS_SFNT(fd->face)) {
int name_count = FT_Get_Sfnt_Name_Count(fd->face);
for (int i = 0; i < name_count; i++) {
FT_SfntName sfnt_name;
if (FT_Get_Sfnt_Name(fd->face, i, &sfnt_name) != 0) {
continue;
}
if (sfnt_name.name_id != TT_NAME_ID_FONT_FAMILY && sfnt_name.name_id != TT_NAME_ID_TYPOGRAPHIC_FAMILY) {
continue;
}
if (!p_font_data->font_name.is_empty() && sfnt_name.language_id != TT_MS_LANGID_ENGLISH_UNITED_STATES) {
continue;
}
switch (sfnt_name.platform_id) {
case TT_PLATFORM_APPLE_UNICODE: {
p_font_data->font_name.parse_utf16((const char16_t *)sfnt_name.string, sfnt_name.string_len / 2, false);
} break;
case TT_PLATFORM_MICROSOFT: {
if (sfnt_name.encoding_id == TT_MS_ID_UNICODE_CS || sfnt_name.encoding_id == TT_MS_ID_UCS_4) {
p_font_data->font_name.parse_utf16((const char16_t *)sfnt_name.string, sfnt_name.string_len / 2, false);
}
} break;
}
}
}
if (p_font_data->font_name.is_empty() && fd->face->family_name != nullptr) {
p_font_data->font_name = String::utf8((const char *)fd->face->family_name);
}
if (fd->face->style_name != nullptr) {
p_font_data->style_name = String::utf8((const char *)fd->face->style_name);
}
p_font_data->weight = _font_get_weight_by_name(p_font_data->style_name.to_lower());
p_font_data->stretch = _font_get_stretch_by_name(p_font_data->style_name.to_lower());
p_font_data->style_flags = 0;
if ((fd->face->style_flags & FT_STYLE_FLAG_BOLD) || p_font_data->weight >= 700) {
p_font_data->style_flags.set_flag(FONT_BOLD);
}
if ((fd->face->style_flags & FT_STYLE_FLAG_ITALIC) || _is_ital_style(p_font_data->style_name.to_lower())) {
p_font_data->style_flags.set_flag(FONT_ITALIC);
}
if (fd->face->face_flags & FT_FACE_FLAG_FIXED_WIDTH) {
p_font_data->style_flags.set_flag(FONT_FIXED_WIDTH);
}
// Read OpenType variations.
p_font_data->supported_varaitions.clear();
if (fd->face->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS) {
FT_MM_Var *amaster;
FT_Get_MM_Var(fd->face, &amaster);
for (FT_UInt i = 0; i < amaster->num_axis; i++) {
p_font_data->supported_varaitions[(int32_t)amaster->axis[i].tag] = Vector3i(amaster->axis[i].minimum / 65536, amaster->axis[i].maximum / 65536, amaster->axis[i].def / 65536);
}
FT_Done_MM_Var(ft_library, amaster);
}
p_font_data->face_init = true;
}
// Write variations.
if (fd->face->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS) {
FT_MM_Var *amaster;
FT_Get_MM_Var(fd->face, &amaster);
Vector<FT_Fixed> coords;
coords.resize(amaster->num_axis);
FT_Get_Var_Design_Coordinates(fd->face, coords.size(), coords.ptrw());
for (FT_UInt i = 0; i < amaster->num_axis; i++) {
// Reset to default.
int32_t var_tag = amaster->axis[i].tag;
double var_value = (double)amaster->axis[i].def / 65536.0;
coords.write[i] = amaster->axis[i].def;
if (p_font_data->variation_coordinates.has(var_tag)) {
var_value = p_font_data->variation_coordinates[var_tag];
coords.write[i] = CLAMP(var_value * 65536.0, amaster->axis[i].minimum, amaster->axis[i].maximum);
}
if (p_font_data->variation_coordinates.has(tag_to_name(var_tag))) {
var_value = p_font_data->variation_coordinates[tag_to_name(var_tag)];
coords.write[i] = CLAMP(var_value * 65536.0, amaster->axis[i].minimum, amaster->axis[i].maximum);
}
}
FT_Set_Var_Design_Coordinates(fd->face, coords.size(), coords.ptrw());
FT_Done_MM_Var(ft_library, amaster);
}
#else
memdelete(fd);
ERR_FAIL_V_MSG(false, "FreeType: Can't load dynamic font, engine is compiled without FreeType support!");
#endif
}
p_font_data->cache.insert(p_size, fd);
r_cache_for_size = fd;
return true;
}
_FORCE_INLINE_ void TextServerFallback::_font_clear_cache(FontFallback *p_font_data) {
MutexLock ftlock(ft_mutex);
for (const KeyValue<Vector2i, FontForSizeFallback *> &E : p_font_data->cache) {
memdelete(E.value);
}
p_font_data->cache.clear();
p_font_data->face_init = false;
p_font_data->supported_varaitions.clear();
}
RID TextServerFallback::_create_font() {
_THREAD_SAFE_METHOD_
FontFallback *fd = memnew(FontFallback);
return font_owner.make_rid(fd);
}
RID TextServerFallback::_create_font_linked_variation(const RID &p_font_rid) {
_THREAD_SAFE_METHOD_
RID rid = p_font_rid;
FontFallbackLinkedVariation *fdv = font_var_owner.get_or_null(rid);
if (unlikely(fdv)) {
rid = fdv->base_font;
}
ERR_FAIL_COND_V(!font_owner.owns(rid), RID());
FontFallbackLinkedVariation *new_fdv = memnew(FontFallbackLinkedVariation);
new_fdv->base_font = rid;
return font_var_owner.make_rid(new_fdv);
}
void TextServerFallback::_font_set_data(const RID &p_font_rid, const PackedByteArray &p_data) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
_font_clear_cache(fd);
fd->data = p_data;
fd->data_ptr = fd->data.ptr();
fd->data_size = fd->data.size();
}
void TextServerFallback::_font_set_data_ptr(const RID &p_font_rid, const uint8_t *p_data_ptr, int64_t p_data_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
_font_clear_cache(fd);
fd->data.resize(0);
fd->data_ptr = p_data_ptr;
fd->data_size = p_data_size;
}
void TextServerFallback::_font_set_style(const RID &p_font_rid, BitField<FontStyle> p_style) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->style_flags = p_style;
}
void TextServerFallback::_font_set_face_index(const RID &p_font_rid, int64_t p_face_index) {
ERR_FAIL_COND(p_face_index < 0);
ERR_FAIL_COND(p_face_index >= 0x7FFF);
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->face_index != p_face_index) {
fd->face_index = p_face_index;
_font_clear_cache(fd);
}
}
int64_t TextServerFallback::_font_get_face_index(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
return fd->face_index;
}
int64_t TextServerFallback::_font_get_face_count(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
int face_count = 0;
if (fd->data_ptr && (fd->data_size > 0)) {
// Init dynamic font.
#ifdef MODULE_FREETYPE_ENABLED
int error = 0;
if (!ft_library) {
error = FT_Init_FreeType(&ft_library);
ERR_FAIL_COND_V_MSG(error != 0, false, "FreeType: Error initializing library: '" + String(FT_Error_String(error)) + "'.");
#ifdef MODULE_SVG_ENABLED
FT_Property_Set(ft_library, "ot-svg", "svg-hooks", get_tvg_svg_in_ot_hooks());
#endif
}
FT_StreamRec stream;
memset(&stream, 0, sizeof(FT_StreamRec));
stream.base = (unsigned char *)fd->data_ptr;
stream.size = fd->data_size;
stream.pos = 0;
FT_Open_Args fargs;
memset(&fargs, 0, sizeof(FT_Open_Args));
fargs.memory_base = (unsigned char *)fd->data_ptr;
fargs.memory_size = fd->data_size;
fargs.flags = FT_OPEN_MEMORY;
fargs.stream = &stream;
MutexLock ftlock(ft_mutex);
FT_Face tmp_face = nullptr;
error = FT_Open_Face(ft_library, &fargs, -1, &tmp_face);
if (error == 0) {
face_count = tmp_face->num_faces;
FT_Done_Face(tmp_face);
}
#endif
}
return face_count;
}
BitField<TextServer::FontStyle> TextServerFallback::_font_get_style(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0);
return fd->style_flags;
}
void TextServerFallback::_font_set_style_name(const RID &p_font_rid, const String &p_name) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->style_name = p_name;
}
String TextServerFallback::_font_get_style_name(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, String());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), String());
return fd->style_name;
}
void TextServerFallback::_font_set_weight(const RID &p_font_rid, int64_t p_weight) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->weight = CLAMP(p_weight, 100, 999);
}
int64_t TextServerFallback::_font_get_weight(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 400);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 400);
return fd->weight;
}
void TextServerFallback::_font_set_stretch(const RID &p_font_rid, int64_t p_stretch) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->stretch = CLAMP(p_stretch, 50, 200);
}
int64_t TextServerFallback::_font_get_stretch(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 100);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 100);
return fd->stretch;
}
void TextServerFallback::_font_set_name(const RID &p_font_rid, const String &p_name) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->font_name = p_name;
}
String TextServerFallback::_font_get_name(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, String());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), String());
return fd->font_name;
}
void TextServerFallback::_font_set_antialiasing(const RID &p_font_rid, TextServer::FontAntialiasing p_antialiasing) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->antialiasing != p_antialiasing) {
_font_clear_cache(fd);
fd->antialiasing = p_antialiasing;
}
}
TextServer::FontAntialiasing TextServerFallback::_font_get_antialiasing(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, TextServer::FONT_ANTIALIASING_NONE);
MutexLock lock(fd->mutex);
return fd->antialiasing;
}
void TextServerFallback::_font_set_disable_embedded_bitmaps(const RID &p_font_rid, bool p_disable_embedded_bitmaps) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->disable_embedded_bitmaps != p_disable_embedded_bitmaps) {
_font_clear_cache(fd);
fd->disable_embedded_bitmaps = p_disable_embedded_bitmaps;
}
}
bool TextServerFallback::_font_get_disable_embedded_bitmaps(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->disable_embedded_bitmaps;
}
void TextServerFallback::_font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->mipmaps != p_generate_mipmaps) {
for (KeyValue<Vector2i, FontForSizeFallback *> &E : fd->cache) {
for (int i = 0; i < E.value->textures.size(); i++) {
E.value->textures.write[i].dirty = true;
E.value->textures.write[i].texture = Ref<ImageTexture>();
}
}
fd->mipmaps = p_generate_mipmaps;
}
}
bool TextServerFallback::_font_get_generate_mipmaps(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->mipmaps;
}
void TextServerFallback::_font_set_multichannel_signed_distance_field(const RID &p_font_rid, bool p_msdf) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->msdf != p_msdf) {
_font_clear_cache(fd);
fd->msdf = p_msdf;
}
}
bool TextServerFallback::_font_is_multichannel_signed_distance_field(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->msdf;
}
void TextServerFallback::_font_set_msdf_pixel_range(const RID &p_font_rid, int64_t p_msdf_pixel_range) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->msdf_range != p_msdf_pixel_range) {
_font_clear_cache(fd);
fd->msdf_range = p_msdf_pixel_range;
}
}
int64_t TextServerFallback::_font_get_msdf_pixel_range(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->msdf_range;
}
void TextServerFallback::_font_set_msdf_size(const RID &p_font_rid, int64_t p_msdf_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->msdf_source_size != p_msdf_size) {
_font_clear_cache(fd);
fd->msdf_source_size = p_msdf_size;
}
}
int64_t TextServerFallback::_font_get_msdf_size(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
return fd->msdf_source_size;
}
void TextServerFallback::_font_set_fixed_size(const RID &p_font_rid, int64_t p_fixed_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->fixed_size = p_fixed_size;
}
int64_t TextServerFallback::_font_get_fixed_size(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
return fd->fixed_size;
}
void TextServerFallback::_font_set_fixed_size_scale_mode(const RID &p_font_rid, TextServer::FixedSizeScaleMode p_fixed_size_scale_mode) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->fixed_size_scale_mode = p_fixed_size_scale_mode;
}
TextServer::FixedSizeScaleMode TextServerFallback::_font_get_fixed_size_scale_mode(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, FIXED_SIZE_SCALE_DISABLE);
MutexLock lock(fd->mutex);
return fd->fixed_size_scale_mode;
}
void TextServerFallback::_font_set_allow_system_fallback(const RID &p_font_rid, bool p_allow_system_fallback) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->allow_system_fallback = p_allow_system_fallback;
}
bool TextServerFallback::_font_is_allow_system_fallback(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->allow_system_fallback;
}
void TextServerFallback::_font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->force_autohinter != p_force_autohinter) {
_font_clear_cache(fd);
fd->force_autohinter = p_force_autohinter;
}
}
bool TextServerFallback::_font_is_force_autohinter(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->force_autohinter;
}
void TextServerFallback::_font_set_hinting(const RID &p_font_rid, TextServer::Hinting p_hinting) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->hinting != p_hinting) {
_font_clear_cache(fd);
fd->hinting = p_hinting;
}
}
TextServer::Hinting TextServerFallback::_font_get_hinting(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, HINTING_NONE);
MutexLock lock(fd->mutex);
return fd->hinting;
}
void TextServerFallback::_font_set_subpixel_positioning(const RID &p_font_rid, TextServer::SubpixelPositioning p_subpixel) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->subpixel_positioning = p_subpixel;
}
TextServer::SubpixelPositioning TextServerFallback::_font_get_subpixel_positioning(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, SUBPIXEL_POSITIONING_DISABLED);
MutexLock lock(fd->mutex);
return fd->subpixel_positioning;
}
void TextServerFallback::_font_set_embolden(const RID &p_font_rid, double p_strength) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->embolden != p_strength) {
_font_clear_cache(fd);
fd->embolden = p_strength;
}
}
double TextServerFallback::_font_get_embolden(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
return fd->embolden;
}
void TextServerFallback::_font_set_spacing(const RID &p_font_rid, SpacingType p_spacing, int64_t p_value) {
ERR_FAIL_INDEX((int)p_spacing, 4);
FontFallbackLinkedVariation *fdv = font_var_owner.get_or_null(p_font_rid);
if (fdv) {
if (fdv->extra_spacing[p_spacing] != p_value) {
fdv->extra_spacing[p_spacing] = p_value;
}
} else {
FontFallback *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->extra_spacing[p_spacing] != p_value) {
_font_clear_cache(fd);
fd->extra_spacing[p_spacing] = p_value;
}
}
}
int64_t TextServerFallback::_font_get_spacing(const RID &p_font_rid, SpacingType p_spacing) const {
ERR_FAIL_INDEX_V((int)p_spacing, 4, 0);
FontFallbackLinkedVariation *fdv = font_var_owner.get_or_null(p_font_rid);
if (fdv) {
return fdv->extra_spacing[p_spacing];
} else {
FontFallback *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
return fd->extra_spacing[p_spacing];
}
}
void TextServerFallback::_font_set_baseline_offset(const RID &p_font_rid, double p_baseline_offset) {
FontFallbackLinkedVariation *fdv = font_var_owner.get_or_null(p_font_rid);
if (fdv) {
if (fdv->baseline_offset != p_baseline_offset) {
fdv->baseline_offset = p_baseline_offset;
}
} else {
FontFallback *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->baseline_offset != p_baseline_offset) {
_font_clear_cache(fd);
fd->baseline_offset = p_baseline_offset;
}
}
}
double TextServerFallback::_font_get_baseline_offset(const RID &p_font_rid) const {
FontFallbackLinkedVariation *fdv = font_var_owner.get_or_null(p_font_rid);
if (fdv) {
return fdv->baseline_offset;
} else {
FontFallback *fd = font_owner.get_or_null(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
return fd->baseline_offset;
}
}
void TextServerFallback::_font_set_transform(const RID &p_font_rid, const Transform2D &p_transform) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->transform != p_transform) {
_font_clear_cache(fd);
fd->transform = p_transform;
}
}
Transform2D TextServerFallback::_font_get_transform(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Transform2D());
MutexLock lock(fd->mutex);
return fd->transform;
}
void TextServerFallback::_font_set_variation_coordinates(const RID &p_font_rid, const Dictionary &p_variation_coordinates) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (!fd->variation_coordinates.recursive_equal(p_variation_coordinates, 1)) {
_font_clear_cache(fd);
fd->variation_coordinates = p_variation_coordinates.duplicate();
}
}
Dictionary TextServerFallback::_font_get_variation_coordinates(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Dictionary());
MutexLock lock(fd->mutex);
return fd->variation_coordinates;
}
void TextServerFallback::_font_set_oversampling(const RID &p_font_rid, double p_oversampling) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
if (fd->oversampling != p_oversampling) {
_font_clear_cache(fd);
fd->oversampling = p_oversampling;
}
}
double TextServerFallback::_font_get_oversampling(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
return fd->oversampling;
}
TypedArray<Vector2i> TextServerFallback::_font_get_size_cache_list(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, TypedArray<Vector2i>());
MutexLock lock(fd->mutex);
TypedArray<Vector2i> ret;
for (const KeyValue<Vector2i, FontForSizeFallback *> &E : fd->cache) {
ret.push_back(E.key);
}
return ret;
}
void TextServerFallback::_font_clear_size_cache(const RID &p_font_rid) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
MutexLock ftlock(ft_mutex);
for (const KeyValue<Vector2i, FontForSizeFallback *> &E : fd->cache) {
memdelete(E.value);
}
fd->cache.clear();
}
void TextServerFallback::_font_remove_size_cache(const RID &p_font_rid, const Vector2i &p_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
MutexLock ftlock(ft_mutex);
if (fd->cache.has(p_size)) {
memdelete(fd->cache[p_size]);
fd->cache.erase(p_size);
}
}
void TextServerFallback::_font_set_ascent(const RID &p_font_rid, int64_t p_size, double p_ascent) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->ascent = p_ascent;
}
double TextServerFallback::_font_get_ascent(const RID &p_font_rid, int64_t p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0.0);
if (fd->msdf) {
return ffsd->ascent * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return ffsd->ascent * (double)p_size / (double)fd->fixed_size;
} else {
return ffsd->ascent * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return ffsd->ascent;
}
}
void TextServerFallback::_font_set_descent(const RID &p_font_rid, int64_t p_size, double p_descent) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->descent = p_descent;
}
double TextServerFallback::_font_get_descent(const RID &p_font_rid, int64_t p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0.0);
if (fd->msdf) {
return ffsd->descent * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return ffsd->descent * (double)p_size / (double)fd->fixed_size;
} else {
return ffsd->descent * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return ffsd->descent;
}
}
void TextServerFallback::_font_set_underline_position(const RID &p_font_rid, int64_t p_size, double p_underline_position) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->underline_position = p_underline_position;
}
double TextServerFallback::_font_get_underline_position(const RID &p_font_rid, int64_t p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0.0);
if (fd->msdf) {
return ffsd->underline_position * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return ffsd->underline_position * (double)p_size / (double)fd->fixed_size;
} else {
return ffsd->underline_position * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return ffsd->underline_position;
}
}
void TextServerFallback::_font_set_underline_thickness(const RID &p_font_rid, int64_t p_size, double p_underline_thickness) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->underline_thickness = p_underline_thickness;
}
double TextServerFallback::_font_get_underline_thickness(const RID &p_font_rid, int64_t p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0.0);
if (fd->msdf) {
return ffsd->underline_thickness * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return ffsd->underline_thickness * (double)p_size / (double)fd->fixed_size;
} else {
return ffsd->underline_thickness * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return ffsd->underline_thickness;
}
}
void TextServerFallback::_font_set_scale(const RID &p_font_rid, int64_t p_size, double p_scale) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
#ifdef MODULE_FREETYPE_ENABLED
if (ffsd->face) {
return; // Do not override scale for dynamic fonts, it's calculated automatically.
}
#endif
ffsd->scale = p_scale;
}
double TextServerFallback::_font_get_scale(const RID &p_font_rid, int64_t p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0.0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0.0);
if (fd->msdf) {
return ffsd->scale * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return ffsd->scale * (double)p_size / (double)fd->fixed_size;
} else {
return ffsd->scale * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return ffsd->scale / ffsd->oversampling;
}
}
int64_t TextServerFallback::_font_get_texture_count(const RID &p_font_rid, const Vector2i &p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, 0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), 0);
return ffsd->textures.size();
}
void TextServerFallback::_font_clear_textures(const RID &p_font_rid, const Vector2i &p_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->textures.clear();
}
void TextServerFallback::_font_remove_texture(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ERR_FAIL_INDEX(p_texture_index, ffsd->textures.size());
ffsd->textures.remove_at(p_texture_index);
}
void TextServerFallback::_font_set_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const Ref<Image> &p_image) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
ERR_FAIL_COND(p_image.is_null());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ERR_FAIL_COND(p_texture_index < 0);
if (p_texture_index >= ffsd->textures.size()) {
ffsd->textures.resize(p_texture_index + 1);
}
ShelfPackTexture &tex = ffsd->textures.write[p_texture_index];
tex.image = p_image;
tex.texture_w = p_image->get_width();
tex.texture_h = p_image->get_height();
Ref<Image> img = p_image;
if (fd->mipmaps && !img->has_mipmaps()) {
img = p_image->duplicate();
img->generate_mipmaps();
}
tex.texture = ImageTexture::create_from_image(img);
tex.dirty = false;
}
Ref<Image> TextServerFallback::_font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Ref<Image>());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Ref<Image>());
ERR_FAIL_INDEX_V(p_texture_index, ffsd->textures.size(), Ref<Image>());
const ShelfPackTexture &tex = ffsd->textures[p_texture_index];
return tex.image;
}
void TextServerFallback::_font_set_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const PackedInt32Array &p_offsets) {
ERR_FAIL_COND(p_offsets.size() % 4 != 0);
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ERR_FAIL_COND(p_texture_index < 0);
if (p_texture_index >= ffsd->textures.size()) {
ffsd->textures.resize(p_texture_index + 1);
}
ShelfPackTexture &tex = ffsd->textures.write[p_texture_index];
tex.shelves.clear();
for (int32_t i = 0; i < p_offsets.size(); i += 4) {
tex.shelves.push_back(Shelf(p_offsets[i], p_offsets[i + 1], p_offsets[i + 2], p_offsets[i + 3]));
}
}
PackedInt32Array TextServerFallback::_font_get_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, PackedInt32Array());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), PackedInt32Array());
ERR_FAIL_INDEX_V(p_texture_index, ffsd->textures.size(), PackedInt32Array());
const ShelfPackTexture &tex = ffsd->textures[p_texture_index];
PackedInt32Array ret;
ret.resize(tex.shelves.size() * 4);
int32_t *wr = ret.ptrw();
int32_t i = 0;
for (const Shelf &E : tex.shelves) {
wr[i * 4] = E.x;
wr[i * 4 + 1] = E.y;
wr[i * 4 + 2] = E.w;
wr[i * 4 + 3] = E.h;
i++;
}
return ret;
}
PackedInt32Array TextServerFallback::_font_get_glyph_list(const RID &p_font_rid, const Vector2i &p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, PackedInt32Array());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), PackedInt32Array());
PackedInt32Array ret;
const HashMap<int32_t, FontGlyph> &gl = ffsd->glyph_map;
for (const KeyValue<int32_t, FontGlyph> &E : gl) {
ret.push_back(E.key);
}
return ret;
}
void TextServerFallback::_font_clear_glyphs(const RID &p_font_rid, const Vector2i &p_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->glyph_map.clear();
}
void TextServerFallback::_font_remove_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->glyph_map.erase(p_glyph);
}
Vector2 TextServerFallback::_font_get_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Vector2());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Vector2());
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return Vector2(); // Invalid or non graphicl glyph, do not display errors.
}
Vector2 ea;
if (fd->embolden != 0.0) {
ea.x = fd->embolden * double(size.x) / 64.0;
}
double scale = _font_get_scale(p_font_rid, p_size);
if (fd->msdf) {
return (fgl.advance + ea) * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return (fgl.advance + ea) * (double)p_size / (double)fd->fixed_size;
} else {
return (fgl.advance + ea) * Math::round((double)p_size / (double)fd->fixed_size);
}
} else if ((scale == 1.0) && ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_DISABLED) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x > SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE))) {
return (fgl.advance + ea).round();
} else {
return fgl.advance + ea;
}
}
void TextServerFallback::_font_set_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph, const Vector2 &p_advance) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
FontGlyph &fgl = ffsd->glyph_map[p_glyph];
fgl.advance = p_advance;
fgl.found = true;
}
Vector2 TextServerFallback::_font_get_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Vector2());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Vector2());
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return Vector2(); // Invalid or non graphicl glyph, do not display errors.
}
if (fd->msdf) {
return fgl.rect.position * (double)p_size.x / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size.x) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return fgl.rect.position * (double)p_size.x / (double)fd->fixed_size;
} else {
return fgl.rect.position * Math::round((double)p_size.x / (double)fd->fixed_size);
}
} else {
return fgl.rect.position;
}
}
void TextServerFallback::_font_set_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_offset) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
FontGlyph &fgl = ffsd->glyph_map[p_glyph];
fgl.rect.position = p_offset;
fgl.found = true;
}
Vector2 TextServerFallback::_font_get_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Vector2());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Vector2());
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return Vector2(); // Invalid or non graphicl glyph, do not display errors.
}
if (fd->msdf) {
return fgl.rect.size * (double)p_size.x / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size.x) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return fgl.rect.size * (double)p_size.x / (double)fd->fixed_size;
} else {
return fgl.rect.size * Math::round((double)p_size.x / (double)fd->fixed_size);
}
} else {
return fgl.rect.size;
}
}
void TextServerFallback::_font_set_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_gl_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
FontGlyph &fgl = ffsd->glyph_map[p_glyph];
fgl.rect.size = p_gl_size;
fgl.found = true;
}
Rect2 TextServerFallback::_font_get_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Rect2());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Rect2());
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return Rect2(); // Invalid or non graphicl glyph, do not display errors.
}
return fgl.uv_rect;
}
void TextServerFallback::_font_set_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Rect2 &p_uv_rect) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
FontGlyph &fgl = ffsd->glyph_map[p_glyph];
fgl.uv_rect = p_uv_rect;
fgl.found = true;
}
int64_t TextServerFallback::_font_get_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, -1);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), -1);
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return -1; // Invalid or non graphicl glyph, do not display errors.
}
return fgl.texture_idx;
}
void TextServerFallback::_font_set_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, int64_t p_texture_idx) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
FontGlyph &fgl = ffsd->glyph_map[p_glyph];
fgl.texture_idx = p_texture_idx;
fgl.found = true;
}
RID TextServerFallback::_font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, RID());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), RID());
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return RID(); // Invalid or non graphicl glyph, do not display errors.
}
ERR_FAIL_COND_V(fgl.texture_idx < -1 || fgl.texture_idx >= ffsd->textures.size(), RID());
if (RenderingServer::get_singleton() != nullptr) {
if (fgl.texture_idx != -1) {
if (ffsd->textures[fgl.texture_idx].dirty) {
ShelfPackTexture &tex = ffsd->textures.write[fgl.texture_idx];
Ref<Image> img = tex.image;
if (fd->mipmaps && !img->has_mipmaps()) {
img = tex.image->duplicate();
img->generate_mipmaps();
}
if (tex.texture.is_null()) {
tex.texture = ImageTexture::create_from_image(img);
} else {
tex.texture->update(img);
}
tex.dirty = false;
}
return ffsd->textures[fgl.texture_idx].texture->get_rid();
}
}
return RID();
}
Size2 TextServerFallback::_font_get_glyph_texture_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Size2());
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Size2());
int mod = 0;
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
mod = (layout << 24);
}
}
FontGlyph fgl;
if (!_ensure_glyph(fd, size, p_glyph | mod, fgl)) {
return Size2(); // Invalid or non graphicl glyph, do not display errors.
}
ERR_FAIL_COND_V(fgl.texture_idx < -1 || fgl.texture_idx >= ffsd->textures.size(), Size2());
if (RenderingServer::get_singleton() != nullptr) {
if (fgl.texture_idx != -1) {
if (ffsd->textures[fgl.texture_idx].dirty) {
ShelfPackTexture &tex = ffsd->textures.write[fgl.texture_idx];
Ref<Image> img = tex.image;
if (fd->mipmaps && !img->has_mipmaps()) {
img = tex.image->duplicate();
img->generate_mipmaps();
}
if (tex.texture.is_null()) {
tex.texture = ImageTexture::create_from_image(img);
} else {
tex.texture->update(img);
}
tex.dirty = false;
}
return ffsd->textures[fgl.texture_idx].texture->get_size();
}
}
return Size2();
}
Dictionary TextServerFallback::_font_get_glyph_contours(const RID &p_font_rid, int64_t p_size, int64_t p_index) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Dictionary());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Dictionary());
#ifdef MODULE_FREETYPE_ENABLED
PackedVector3Array points;
PackedInt32Array contours;
int32_t index = p_index & 0xffffff; // Remove subpixel shifts.
int error = FT_Load_Glyph(ffsd->face, FT_Get_Char_Index(ffsd->face, index), FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
ERR_FAIL_COND_V(error, Dictionary());
if (fd->embolden != 0.f) {
FT_Pos strength = fd->embolden * p_size * 4; // 26.6 fractional units (1 / 64).
FT_Outline_Embolden(&ffsd->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(&ffsd->face->glyph->outline, &mat);
}
double scale = (1.0 / 64.0) / ffsd->oversampling * ffsd->scale;
if (fd->msdf) {
scale = scale * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
scale = scale * (double)p_size / (double)fd->fixed_size;
} else {
scale = scale * Math::round((double)p_size / (double)fd->fixed_size);
}
}
for (short i = 0; i < ffsd->face->glyph->outline.n_points; i++) {
points.push_back(Vector3(ffsd->face->glyph->outline.points[i].x * scale, -ffsd->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(ffsd->face->glyph->outline.tags[i])));
}
for (short i = 0; i < ffsd->face->glyph->outline.n_contours; i++) {
contours.push_back(ffsd->face->glyph->outline.contours[i]);
}
bool orientation = (FT_Outline_Get_Orientation(&ffsd->face->glyph->outline) == FT_ORIENTATION_FILL_RIGHT);
Dictionary out;
out["points"] = points;
out["contours"] = contours;
out["orientation"] = orientation;
return out;
#else
return Dictionary();
#endif
}
TypedArray<Vector2i> TextServerFallback::_font_get_kerning_list(const RID &p_font_rid, int64_t p_size) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, TypedArray<Vector2i>());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), TypedArray<Vector2i>());
TypedArray<Vector2i> ret;
for (const KeyValue<Vector2i, Vector2> &E : ffsd->kerning_map) {
ret.push_back(E.key);
}
return ret;
}
void TextServerFallback::_font_clear_kerning_map(const RID &p_font_rid, int64_t p_size) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->kerning_map.clear();
}
void TextServerFallback::_font_remove_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->kerning_map.erase(p_glyph_pair);
}
void TextServerFallback::_font_set_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
ffsd->kerning_map[p_glyph_pair] = p_kerning;
}
Vector2 TextServerFallback::_font_get_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Vector2());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Vector2());
const HashMap<Vector2i, Vector2> &kern = ffsd->kerning_map;
if (kern.has(p_glyph_pair)) {
if (fd->msdf) {
return kern[p_glyph_pair] * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return kern[p_glyph_pair] * (double)p_size / (double)fd->fixed_size;
} else {
return kern[p_glyph_pair] * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return kern[p_glyph_pair];
}
} else {
#ifdef MODULE_FREETYPE_ENABLED
if (ffsd->face) {
FT_Vector delta;
int32_t glyph_a = FT_Get_Char_Index(ffsd->face, p_glyph_pair.x);
int32_t glyph_b = FT_Get_Char_Index(ffsd->face, p_glyph_pair.y);
FT_Get_Kerning(ffsd->face, glyph_a, glyph_b, FT_KERNING_DEFAULT, &delta);
if (fd->msdf) {
return Vector2(delta.x, delta.y) * (double)p_size / (double)fd->msdf_source_size;
} else if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
return Vector2(delta.x, delta.y) * (double)p_size / (double)fd->fixed_size;
} else {
return Vector2(delta.x, delta.y) * Math::round((double)p_size / (double)fd->fixed_size);
}
} else {
return Vector2(delta.x, delta.y);
}
}
#endif
}
return Vector2();
}
int64_t TextServerFallback::_font_get_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_char, int64_t p_variation_selector) const {
ERR_FAIL_COND_V_MSG((p_char >= 0xd800 && p_char <= 0xdfff) || (p_char > 0x10ffff), 0, "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_char, 16) + ".");
return (int64_t)p_char;
}
int64_t TextServerFallback::_font_get_char_from_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_glyph_index) const {
return p_glyph_index;
}
bool TextServerFallback::_font_has_char(const RID &p_font_rid, int64_t p_char) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_COND_V_MSG((p_char >= 0xd800 && p_char <= 0xdfff) || (p_char > 0x10ffff), false, "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_char, 16) + ".");
if (!fd) {
return false;
}
MutexLock lock(fd->mutex);
FontForSizeFallback *ffsd = nullptr;
if (fd->cache.is_empty()) {
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, fd->msdf ? Vector2i(fd->msdf_source_size, 0) : Vector2i(16, 0), ffsd), false);
} else {
ffsd = fd->cache.begin()->value;
}
#ifdef MODULE_FREETYPE_ENABLED
if (ffsd->face) {
return FT_Get_Char_Index(ffsd->face, p_char) != 0;
}
#endif
return ffsd->glyph_map.has((int32_t)p_char);
}
String TextServerFallback::_font_get_supported_chars(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, String());
MutexLock lock(fd->mutex);
FontForSizeFallback *ffsd = nullptr;
if (fd->cache.is_empty()) {
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, fd->msdf ? Vector2i(fd->msdf_source_size, 0) : Vector2i(16, 0), ffsd), String());
} else {
ffsd = fd->cache.begin()->value;
}
String chars;
#ifdef MODULE_FREETYPE_ENABLED
if (ffsd->face) {
FT_UInt gindex;
FT_ULong charcode = FT_Get_First_Char(ffsd->face, &gindex);
while (gindex != 0) {
if (charcode != 0) {
chars = chars + String::chr(charcode);
}
charcode = FT_Get_Next_Char(ffsd->face, charcode, &gindex);
}
return chars;
}
#endif
const HashMap<int32_t, FontGlyph> &gl = ffsd->glyph_map;
for (const KeyValue<int32_t, FontGlyph> &E : gl) {
chars = chars + String::chr(E.key);
}
return chars;
}
PackedInt32Array TextServerFallback::_font_get_supported_glyphs(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, PackedInt32Array());
MutexLock lock(fd->mutex);
FontForSizeFallback *at_size = nullptr;
if (fd->cache.is_empty()) {
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, fd->msdf ? Vector2i(fd->msdf_source_size, 0) : Vector2i(16, 0), at_size), PackedInt32Array());
} else {
at_size = fd->cache.begin()->value;
}
PackedInt32Array glyphs;
#ifdef MODULE_FREETYPE_ENABLED
if (at_size && at_size->face) {
FT_UInt gindex;
FT_ULong charcode = FT_Get_First_Char(at_size->face, &gindex);
while (gindex != 0) {
glyphs.push_back(gindex);
charcode = FT_Get_Next_Char(at_size->face, charcode, &gindex);
}
return glyphs;
}
#endif
if (at_size) {
const HashMap<int32_t, FontGlyph> &gl = at_size->glyph_map;
for (const KeyValue<int32_t, FontGlyph> &E : gl) {
glyphs.push_back(E.key);
}
}
return glyphs;
}
void TextServerFallback::_font_render_range(const RID &p_font_rid, const Vector2i &p_size, int64_t p_start, int64_t p_end) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
ERR_FAIL_COND_MSG((p_start >= 0xd800 && p_start <= 0xdfff) || (p_start > 0x10ffff), "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_start, 16) + ".");
ERR_FAIL_COND_MSG((p_end >= 0xd800 && p_end <= 0xdfff) || (p_end > 0x10ffff), "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_end, 16) + ".");
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
for (int64_t i = p_start; i <= p_end; i++) {
#ifdef MODULE_FREETYPE_ENABLED
int32_t idx = i;
if (ffsd->face) {
FontGlyph fgl;
if (fd->msdf) {
_ensure_glyph(fd, size, (int32_t)idx, fgl);
} else {
for (int aa = 0; aa < ((fd->antialiasing == FONT_ANTIALIASING_LCD) ? FONT_LCD_SUBPIXEL_LAYOUT_MAX : 1); aa++) {
if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
_ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (2 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (3 << 27) | (aa << 24), fgl);
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
_ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24), fgl);
} else {
_ensure_glyph(fd, size, (int32_t)idx | (aa << 24), fgl);
}
}
}
}
#endif
}
}
void TextServerFallback::_font_render_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_index) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
#ifdef MODULE_FREETYPE_ENABLED
int32_t idx = p_index & 0xffffff; // Remove subpixel shifts.
if (ffsd->face) {
FontGlyph fgl;
if (fd->msdf) {
_ensure_glyph(fd, size, (int32_t)idx, fgl);
} else {
for (int aa = 0; aa < ((fd->antialiasing == FONT_ANTIALIASING_LCD) ? FONT_LCD_SUBPIXEL_LAYOUT_MAX : 1); aa++) {
if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
_ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (2 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (3 << 27) | (aa << 24), fgl);
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
_ensure_glyph(fd, size, (int32_t)idx | (1 << 27) | (aa << 24), fgl);
_ensure_glyph(fd, size, (int32_t)idx | (0 << 27) | (aa << 24), fgl);
} else {
_ensure_glyph(fd, size, (int32_t)idx | (aa << 24), fgl);
}
}
}
}
#endif
}
void TextServerFallback::_font_draw_glyph(const RID &p_font_rid, const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color) const {
if (p_index == 0) {
return; // Non visual character, skip.
}
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
int32_t index = p_index & 0xffffff; // Remove subpixel shifts.
bool lcd_aa = false;
#ifdef MODULE_FREETYPE_ENABLED
if (!fd->msdf && ffsd->face) {
// LCD layout, bits 24, 25, 26
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
lcd_aa = true;
index = index | (layout << 24);
}
}
// Subpixel X-shift, bits 27, 28
if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125));
index = index | (xshift << 27);
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25));
index = index | (xshift << 27);
}
}
#endif
FontGlyph fgl;
if (!_ensure_glyph(fd, size, index, fgl)) {
return; // Invalid or non-graphical glyph, do not display errors, nothing to draw.
}
if (fgl.found) {
ERR_FAIL_COND(fgl.texture_idx < -1 || fgl.texture_idx >= ffsd->textures.size());
if (fgl.texture_idx != -1) {
Color modulate = p_color;
#ifdef MODULE_FREETYPE_ENABLED
if (ffsd->face && ffsd->textures[fgl.texture_idx].image.is_valid() && (ffsd->textures[fgl.texture_idx].image->get_format() == Image::FORMAT_RGBA8) && !lcd_aa && !fd->msdf) {
modulate.r = modulate.g = modulate.b = 1.0;
}
#endif
if (RenderingServer::get_singleton() != nullptr) {
if (ffsd->textures[fgl.texture_idx].dirty) {
ShelfPackTexture &tex = ffsd->textures.write[fgl.texture_idx];
Ref<Image> img = tex.image;
if (fd->mipmaps && !img->has_mipmaps()) {
img = tex.image->duplicate();
img->generate_mipmaps();
}
if (tex.texture.is_null()) {
tex.texture = ImageTexture::create_from_image(img);
} else {
tex.texture->update(img);
}
tex.dirty = false;
}
RID texture = ffsd->textures[fgl.texture_idx].texture->get_rid();
if (fd->msdf) {
Point2 cpos = p_pos;
cpos += fgl.rect.position * (double)p_size / (double)fd->msdf_source_size;
Size2 csize = fgl.rect.size * (double)p_size / (double)fd->msdf_source_size;
RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, fgl.uv_rect, modulate, 0, fd->msdf_range, (double)p_size / (double)fd->msdf_source_size);
} else {
Point2 cpos = p_pos;
double scale = _font_get_scale(p_font_rid, p_size);
if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
cpos.x = cpos.x + 0.125;
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
cpos.x = cpos.x + 0.25;
}
if (scale == 1.0) {
cpos.y = Math::floor(cpos.y);
cpos.x = Math::floor(cpos.x);
}
Vector2 gpos = fgl.rect.position;
Size2 csize = fgl.rect.size;
if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
double gl_scale = (double)p_size / (double)fd->fixed_size;
gpos *= gl_scale;
csize *= gl_scale;
} else {
double gl_scale = Math::round((double)p_size / (double)fd->fixed_size);
gpos *= gl_scale;
csize *= gl_scale;
}
}
cpos += gpos;
if (lcd_aa) {
RenderingServer::get_singleton()->canvas_item_add_lcd_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, fgl.uv_rect, modulate);
} else {
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, fgl.uv_rect, modulate, false, false);
}
}
}
}
}
}
void TextServerFallback::_font_draw_glyph_outline(const RID &p_font_rid, const RID &p_canvas, int64_t p_size, int64_t p_outline_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color) const {
if (p_index == 0) {
return; // Non visual character, skip.
}
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size_outline(fd, Vector2i(p_size, p_outline_size));
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
int32_t index = p_index & 0xffffff; // Remove subpixel shifts.
bool lcd_aa = false;
#ifdef MODULE_FREETYPE_ENABLED
if (!fd->msdf && ffsd->face) {
// LCD layout, bits 24, 25, 26
if (fd->antialiasing == FONT_ANTIALIASING_LCD) {
TextServer::FontLCDSubpixelLayout layout = lcd_subpixel_layout.get();
if (layout != FONT_LCD_SUBPIXEL_LAYOUT_NONE) {
lcd_aa = true;
index = index | (layout << 24);
}
}
// Subpixel X-shift, bits 27, 28
if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125));
index = index | (xshift << 27);
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25));
index = index | (xshift << 27);
}
}
#endif
FontGlyph fgl;
if (!_ensure_glyph(fd, size, index, fgl)) {
return; // Invalid or non-graphical glyph, do not display errors, nothing to draw.
}
if (fgl.found) {
ERR_FAIL_COND(fgl.texture_idx < -1 || fgl.texture_idx >= ffsd->textures.size());
if (fgl.texture_idx != -1) {
Color modulate = p_color;
#ifdef MODULE_FREETYPE_ENABLED
if (ffsd->face && ffsd->textures[fgl.texture_idx].image.is_valid() && (ffsd->textures[fgl.texture_idx].image->get_format() == Image::FORMAT_RGBA8) && !lcd_aa && !fd->msdf) {
modulate.r = modulate.g = modulate.b = 1.0;
}
#endif
if (RenderingServer::get_singleton() != nullptr) {
if (ffsd->textures[fgl.texture_idx].dirty) {
ShelfPackTexture &tex = ffsd->textures.write[fgl.texture_idx];
Ref<Image> img = tex.image;
if (fd->mipmaps && !img->has_mipmaps()) {
img = tex.image->duplicate();
img->generate_mipmaps();
}
if (tex.texture.is_null()) {
tex.texture = ImageTexture::create_from_image(img);
} else {
tex.texture->update(img);
}
tex.dirty = false;
}
RID texture = ffsd->textures[fgl.texture_idx].texture->get_rid();
if (fd->msdf) {
Point2 cpos = p_pos;
cpos += fgl.rect.position * (double)p_size / (double)fd->msdf_source_size;
Size2 csize = fgl.rect.size * (double)p_size / (double)fd->msdf_source_size;
RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, fgl.uv_rect, modulate, p_outline_size, fd->msdf_range, (double)p_size / (double)fd->msdf_source_size);
} else {
Point2 cpos = p_pos;
double scale = _font_get_scale(p_font_rid, p_size);
if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) {
cpos.x = cpos.x + 0.125;
} else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) {
cpos.x = cpos.x + 0.25;
}
if (scale == 1.0) {
cpos.y = Math::floor(cpos.y);
cpos.x = Math::floor(cpos.x);
}
Vector2 gpos = fgl.rect.position;
Size2 csize = fgl.rect.size;
if (fd->fixed_size > 0 && fd->fixed_size_scale_mode != FIXED_SIZE_SCALE_DISABLE && size.x != p_size) {
if (fd->fixed_size_scale_mode == FIXED_SIZE_SCALE_ENABLED) {
double gl_scale = (double)p_size / (double)fd->fixed_size;
gpos *= gl_scale;
csize *= gl_scale;
} else {
double gl_scale = Math::round((double)p_size / (double)fd->fixed_size);
gpos *= gl_scale;
csize *= gl_scale;
}
}
cpos += gpos;
if (lcd_aa) {
RenderingServer::get_singleton()->canvas_item_add_lcd_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, fgl.uv_rect, modulate);
} else {
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, fgl.uv_rect, modulate, false, false);
}
}
}
}
}
}
bool TextServerFallback::_font_is_language_supported(const RID &p_font_rid, const String &p_language) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
if (fd->language_support_overrides.has(p_language)) {
return fd->language_support_overrides[p_language];
} else {
return true;
}
}
void TextServerFallback::_font_set_language_support_override(const RID &p_font_rid, const String &p_language, bool p_supported) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->language_support_overrides[p_language] = p_supported;
}
bool TextServerFallback::_font_get_language_support_override(const RID &p_font_rid, const String &p_language) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->language_support_overrides[p_language];
}
void TextServerFallback::_font_remove_language_support_override(const RID &p_font_rid, const String &p_language) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->language_support_overrides.erase(p_language);
}
PackedStringArray TextServerFallback::_font_get_language_support_overrides(const RID &p_font_rid) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, PackedStringArray());
MutexLock lock(fd->mutex);
PackedStringArray out;
for (const KeyValue<String, bool> &E : fd->language_support_overrides) {
out.push_back(E.key);
}
return out;
}
bool TextServerFallback::_font_is_script_supported(const RID &p_font_rid, const String &p_script) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
if (fd->script_support_overrides.has(p_script)) {
return fd->script_support_overrides[p_script];
} else {
return true;
}
}
void TextServerFallback::_font_set_script_support_override(const RID &p_font_rid, const String &p_script, bool p_supported) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
fd->script_support_overrides[p_script] = p_supported;
}
bool TextServerFallback::_font_get_script_support_override(const RID &p_font_rid, const String &p_script) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, false);
MutexLock lock(fd->mutex);
return fd->script_support_overrides[p_script];
}
void TextServerFallback::_font_remove_script_support_override(const RID &p_font_rid, const String &p_script) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->script_support_overrides.erase(p_script);
}
PackedStringArray TextServerFallback::_font_get_script_support_overrides(const RID &p_font_rid) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, PackedStringArray());
MutexLock lock(fd->mutex);
PackedStringArray out;
for (const KeyValue<String, bool> &E : fd->script_support_overrides) {
out.push_back(E.key);
}
return out;
}
void TextServerFallback::_font_set_opentype_feature_overrides(const RID &p_font_rid, const Dictionary &p_overrides) {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL(fd);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size, ffsd));
fd->feature_overrides = p_overrides;
}
Dictionary TextServerFallback::_font_get_opentype_feature_overrides(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Dictionary());
MutexLock lock(fd->mutex);
return fd->feature_overrides;
}
Dictionary TextServerFallback::_font_supported_feature_list(const RID &p_font_rid) const {
return Dictionary();
}
Dictionary TextServerFallback::_font_supported_variation_list(const RID &p_font_rid) const {
FontFallback *fd = _get_font_data(p_font_rid);
ERR_FAIL_NULL_V(fd, Dictionary());
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, 16);
FontForSizeFallback *ffsd = nullptr;
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size, ffsd), Dictionary());
return fd->supported_varaitions;
}
double TextServerFallback::_font_get_global_oversampling() const {
return oversampling;
}
void TextServerFallback::_font_set_global_oversampling(double p_oversampling) {
_THREAD_SAFE_METHOD_
if (oversampling != p_oversampling) {
oversampling = p_oversampling;
List<RID> fonts;
font_owner.get_owned_list(&fonts);
bool font_cleared = false;
for (const RID &E : fonts) {
if (!_font_is_multichannel_signed_distance_field(E) && _font_get_oversampling(E) <= 0) {
_font_clear_size_cache(E);
font_cleared = true;
}
}
if (font_cleared) {
List<RID> text_bufs;
shaped_owner.get_owned_list(&text_bufs);
for (const RID &E : text_bufs) {
invalidate(shaped_owner.get_or_null(E));
}
}
}
}
/*************************************************************************/
/* Shaped text buffer interface */
/*************************************************************************/
void TextServerFallback::invalidate(ShapedTextDataFallback *p_shaped) {
p_shaped->valid.clear();
p_shaped->sort_valid = false;
p_shaped->line_breaks_valid = false;
p_shaped->justification_ops_valid = false;
p_shaped->ascent = 0.0;
p_shaped->descent = 0.0;
p_shaped->width = 0.0;
p_shaped->upos = 0.0;
p_shaped->uthk = 0.0;
p_shaped->glyphs.clear();
p_shaped->glyphs_logical.clear();
}
void TextServerFallback::full_copy(ShapedTextDataFallback *p_shaped) {
ShapedTextDataFallback *parent = shaped_owner.get_or_null(p_shaped->parent);
for (const KeyValue<Variant, ShapedTextDataFallback::EmbeddedObject> &E : parent->objects) {
if (E.value.start >= p_shaped->start && E.value.start < p_shaped->end) {
p_shaped->objects[E.key] = E.value;
}
}
for (int k = 0; k < parent->spans.size(); k++) {
ShapedTextDataFallback::Span span = parent->spans[k];
if (span.start >= p_shaped->end || span.end <= p_shaped->start) {
continue;
}
span.start = MAX(p_shaped->start, span.start);
span.end = MIN(p_shaped->end, span.end);
p_shaped->spans.push_back(span);
}
p_shaped->parent = RID();
}
RID TextServerFallback::_create_shaped_text(TextServer::Direction p_direction, TextServer::Orientation p_orientation) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND_V_MSG(p_direction == DIRECTION_INHERITED, RID(), "Invalid text direction.");
ShapedTextDataFallback *sd = memnew(ShapedTextDataFallback);
sd->direction = p_direction;
sd->orientation = p_orientation;
return shaped_owner.make_rid(sd);
}
void TextServerFallback::_shaped_text_clear(const RID &p_shaped) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
MutexLock lock(sd->mutex);
sd->parent = RID();
sd->start = 0;
sd->end = 0;
sd->text = String();
sd->spans.clear();
sd->objects.clear();
invalidate(sd);
}
void TextServerFallback::_shaped_text_set_direction(const RID &p_shaped, TextServer::Direction p_direction) {
ERR_FAIL_COND_MSG(p_direction == DIRECTION_INHERITED, "Invalid text direction.");
if (p_direction == DIRECTION_RTL) {
ERR_PRINT_ONCE("Right-to-left layout is not supported by this text server.");
}
}
TextServer::Direction TextServerFallback::_shaped_text_get_direction(const RID &p_shaped) const {
return TextServer::DIRECTION_LTR;
}
TextServer::Direction TextServerFallback::_shaped_text_get_inferred_direction(const RID &p_shaped) const {
return TextServer::DIRECTION_LTR;
}
void TextServerFallback::_shaped_text_set_custom_punctuation(const RID &p_shaped, const String &p_punct) {
_THREAD_SAFE_METHOD_
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
if (sd->custom_punct != p_punct) {
if (sd->parent != RID()) {
full_copy(sd);
}
sd->custom_punct = p_punct;
invalidate(sd);
}
}
String TextServerFallback::_shaped_text_get_custom_punctuation(const RID &p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, String());
return sd->custom_punct;
}
void TextServerFallback::_shaped_text_set_custom_ellipsis(const RID &p_shaped, int64_t p_char) {
_THREAD_SAFE_METHOD_
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
sd->el_char = p_char;
}
int64_t TextServerFallback::_shaped_text_get_custom_ellipsis(const RID &p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0);
return sd->el_char;
}
void TextServerFallback::_shaped_text_set_orientation(const RID &p_shaped, TextServer::Orientation p_orientation) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
MutexLock lock(sd->mutex);
if (sd->orientation != p_orientation) {
if (sd->parent != RID()) {
full_copy(sd);
}
sd->orientation = p_orientation;
invalidate(sd);
}
}
void TextServerFallback::_shaped_text_set_bidi_override(const RID &p_shaped, const Array &p_override) {
// No BiDi support, ignore.
}
TextServer::Orientation TextServerFallback::_shaped_text_get_orientation(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, TextServer::ORIENTATION_HORIZONTAL);
MutexLock lock(sd->mutex);
return sd->orientation;
}
void TextServerFallback::_shaped_text_set_preserve_invalid(const RID &p_shaped, bool p_enabled) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
MutexLock lock(sd->mutex);
ERR_FAIL_NULL(sd);
if (sd->preserve_invalid != p_enabled) {
if (sd->parent != RID()) {
full_copy(sd);
}
sd->preserve_invalid = p_enabled;
invalidate(sd);
}
}
bool TextServerFallback::_shaped_text_get_preserve_invalid(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
return sd->preserve_invalid;
}
void TextServerFallback::_shaped_text_set_preserve_control(const RID &p_shaped, bool p_enabled) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
MutexLock lock(sd->mutex);
if (sd->preserve_control != p_enabled) {
if (sd->parent != RID()) {
full_copy(sd);
}
sd->preserve_control = p_enabled;
invalidate(sd);
}
}
bool TextServerFallback::_shaped_text_get_preserve_control(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
return sd->preserve_control;
}
void TextServerFallback::_shaped_text_set_spacing(const RID &p_shaped, SpacingType p_spacing, int64_t p_value) {
ERR_FAIL_INDEX((int)p_spacing, 4);
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
MutexLock lock(sd->mutex);
if (sd->extra_spacing[p_spacing] != p_value) {
if (sd->parent != RID()) {
full_copy(sd);
}
sd->extra_spacing[p_spacing] = p_value;
invalidate(sd);
}
}
int64_t TextServerFallback::_shaped_text_get_spacing(const RID &p_shaped, SpacingType p_spacing) const {
ERR_FAIL_INDEX_V((int)p_spacing, 4, 0);
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0);
MutexLock lock(sd->mutex);
return sd->extra_spacing[p_spacing];
}
int64_t TextServerFallback::_shaped_get_span_count(const RID &p_shaped) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0);
return sd->spans.size();
}
Variant TextServerFallback::_shaped_get_span_meta(const RID &p_shaped, int64_t p_index) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, Variant());
ERR_FAIL_INDEX_V(p_index, sd->spans.size(), Variant());
return sd->spans[p_index].meta;
}
void TextServerFallback::_shaped_set_span_update_font(const RID &p_shaped, int64_t p_index, const TypedArray<RID> &p_fonts, int64_t p_size, const Dictionary &p_opentype_features) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL(sd);
ERR_FAIL_INDEX(p_index, sd->spans.size());
ShapedTextDataFallback::Span &span = sd->spans.ptrw()[p_index];
span.fonts.clear();
// Pre-sort fonts, push fonts with the language support first.
Array fonts_no_match;
int font_count = p_fonts.size();
for (int i = 0; i < font_count; i++) {
if (_font_is_language_supported(p_fonts[i], span.language)) {
span.fonts.push_back(p_fonts[i]);
} else {
fonts_no_match.push_back(p_fonts[i]);
}
}
span.fonts.append_array(fonts_no_match);
span.font_size = p_size;
span.features = p_opentype_features;
sd->valid.clear();
}
bool TextServerFallback::_shaped_text_add_string(const RID &p_shaped, const String &p_text, const TypedArray<RID> &p_fonts, int64_t p_size, const Dictionary &p_opentype_features, const String &p_language, const Variant &p_meta) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
ERR_FAIL_COND_V(p_size <= 0, false);
for (int i = 0; i < p_fonts.size(); i++) {
ERR_FAIL_NULL_V(_get_font_data(p_fonts[i]), false);
}
if (p_text.is_empty()) {
return true;
}
if (sd->parent != RID()) {
full_copy(sd);
}
ShapedTextDataFallback::Span span;
span.start = sd->text.length();
span.end = span.start + p_text.length();
// Pre-sort fonts, push fonts with the language support first.
Array fonts_no_match;
int font_count = p_fonts.size();
if (font_count > 0) {
span.fonts.push_back(p_fonts[0]);
}
for (int i = 1; i < font_count; i++) {
if (_font_is_language_supported(p_fonts[i], p_language)) {
span.fonts.push_back(p_fonts[i]);
} else {
fonts_no_match.push_back(p_fonts[i]);
}
}
span.fonts.append_array(fonts_no_match);
ERR_FAIL_COND_V(span.fonts.is_empty(), false);
span.font_size = p_size;
span.language = p_language;
span.meta = p_meta;
sd->spans.push_back(span);
sd->text = sd->text + p_text;
sd->end += p_text.length();
invalidate(sd);
return true;
}
bool TextServerFallback::_shaped_text_add_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align, int64_t p_length, double p_baseline) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
ERR_FAIL_COND_V(p_key == Variant(), false);
ERR_FAIL_COND_V(sd->objects.has(p_key), false);
if (sd->parent != RID()) {
full_copy(sd);
}
ShapedTextDataFallback::Span span;
span.start = sd->start + sd->text.length();
span.end = span.start + p_length;
span.embedded_key = p_key;
ShapedTextDataFallback::EmbeddedObject obj;
obj.inline_align = p_inline_align;
obj.rect.size = p_size;
obj.start = span.start;
obj.end = span.end;
obj.baseline = p_baseline;
sd->spans.push_back(span);
sd->text = sd->text + String::chr(0xfffc).repeat(p_length);
sd->end += p_length;
sd->objects[p_key] = obj;
invalidate(sd);
return true;
}
bool TextServerFallback::_shaped_text_resize_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align, double p_baseline) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
ERR_FAIL_COND_V(!sd->objects.has(p_key), false);
sd->objects[p_key].rect.size = p_size;
sd->objects[p_key].inline_align = p_inline_align;
sd->objects[p_key].baseline = p_baseline;
if (sd->valid.is_set()) {
// Recalc string metrics.
sd->ascent = 0;
sd->descent = 0;
sd->width = 0;
sd->upos = 0;
sd->uthk = 0;
int sd_size = sd->glyphs.size();
for (int i = 0; i < sd_size; i++) {
Glyph gl = sd->glyphs[i];
Variant key;
if (gl.count == 1) {
for (const KeyValue<Variant, ShapedTextDataFallback::EmbeddedObject> &E : sd->objects) {
if (E.value.start == gl.start) {
key = E.key;
break;
}
}
}
if (key != Variant()) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
sd->objects[key].rect.position.x = sd->width;
sd->width += sd->objects[key].rect.size.x;
sd->glyphs.write[i].advance = sd->objects[key].rect.size.x;
} else {
sd->objects[key].rect.position.y = sd->width;
sd->width += sd->objects[key].rect.size.y;
sd->glyphs.write[i].advance = sd->objects[key].rect.size.y;
}
} else {
if (gl.font_rid.is_valid()) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
sd->ascent = MAX(sd->ascent, _font_get_ascent(gl.font_rid, gl.font_size) + _font_get_spacing(gl.font_rid, SPACING_TOP));
sd->descent = MAX(sd->descent, _font_get_descent(gl.font_rid, gl.font_size) + _font_get_spacing(gl.font_rid, SPACING_BOTTOM));
} else {
sd->ascent = MAX(sd->ascent, Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5));
sd->descent = MAX(sd->descent, Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5));
}
sd->upos = MAX(sd->upos, _font_get_underline_position(gl.font_rid, gl.font_size));
sd->uthk = MAX(sd->uthk, _font_get_underline_thickness(gl.font_rid, gl.font_size));
} else if (sd->preserve_invalid || (sd->preserve_control && is_control(gl.index))) {
// Glyph not found, replace with hex code box.
if (sd->orientation == ORIENTATION_HORIZONTAL) {
sd->ascent = MAX(sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y);
} else {
sd->ascent = MAX(sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5));
sd->descent = MAX(sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5));
}
}
sd->width += gl.advance * gl.repeat;
}
}
_realign(sd);
}
return true;
}
void TextServerFallback::_realign(ShapedTextDataFallback *p_sd) const {
// Align embedded objects to baseline.
double full_ascent = p_sd->ascent;
double full_descent = p_sd->descent;
for (KeyValue<Variant, ShapedTextDataFallback::EmbeddedObject> &E : p_sd->objects) {
if ((E.value.start >= p_sd->start) && (E.value.start < p_sd->end)) {
if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) {
case INLINE_ALIGNMENT_TO_TOP: {
E.value.rect.position.y = -p_sd->ascent;
} break;
case INLINE_ALIGNMENT_TO_CENTER: {
E.value.rect.position.y = (-p_sd->ascent + p_sd->descent) / 2;
} break;
case INLINE_ALIGNMENT_TO_BASELINE: {
E.value.rect.position.y = 0;
} break;
case INLINE_ALIGNMENT_TO_BOTTOM: {
E.value.rect.position.y = p_sd->descent;
} break;
}
switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) {
case INLINE_ALIGNMENT_BOTTOM_TO: {
E.value.rect.position.y -= E.value.rect.size.y;
} break;
case INLINE_ALIGNMENT_CENTER_TO: {
E.value.rect.position.y -= E.value.rect.size.y / 2;
} break;
case INLINE_ALIGNMENT_BASELINE_TO: {
E.value.rect.position.y -= E.value.baseline;
} break;
case INLINE_ALIGNMENT_TOP_TO: {
// NOP
} break;
}
full_ascent = MAX(full_ascent, -E.value.rect.position.y);
full_descent = MAX(full_descent, E.value.rect.position.y + E.value.rect.size.y);
} else {
switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) {
case INLINE_ALIGNMENT_TO_TOP: {
E.value.rect.position.x = -p_sd->ascent;
} break;
case INLINE_ALIGNMENT_TO_CENTER: {
E.value.rect.position.x = (-p_sd->ascent + p_sd->descent) / 2;
} break;
case INLINE_ALIGNMENT_TO_BASELINE: {
E.value.rect.position.x = 0;
} break;
case INLINE_ALIGNMENT_TO_BOTTOM: {
E.value.rect.position.x = p_sd->descent;
} break;
}
switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) {
case INLINE_ALIGNMENT_BOTTOM_TO: {
E.value.rect.position.x -= E.value.rect.size.x;
} break;
case INLINE_ALIGNMENT_CENTER_TO: {
E.value.rect.position.x -= E.value.rect.size.x / 2;
} break;
case INLINE_ALIGNMENT_BASELINE_TO: {
E.value.rect.position.x -= E.value.baseline;
} break;
case INLINE_ALIGNMENT_TOP_TO: {
// NOP
} break;
}
full_ascent = MAX(full_ascent, -E.value.rect.position.x);
full_descent = MAX(full_descent, E.value.rect.position.x + E.value.rect.size.x);
}
}
}
p_sd->ascent = full_ascent;
p_sd->descent = full_descent;
}
RID TextServerFallback::_shaped_text_substr(const RID &p_shaped, int64_t p_start, int64_t p_length) const {
_THREAD_SAFE_METHOD_
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, RID());
MutexLock lock(sd->mutex);
if (sd->parent != RID()) {
return _shaped_text_substr(sd->parent, p_start, p_length);
}
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
ERR_FAIL_COND_V(p_start < 0 || p_length < 0, RID());
ERR_FAIL_COND_V(sd->start > p_start || sd->end < p_start, RID());
ERR_FAIL_COND_V(sd->end < p_start + p_length, RID());
ShapedTextDataFallback *new_sd = memnew(ShapedTextDataFallback);
new_sd->parent = p_shaped;
new_sd->start = p_start;
new_sd->end = p_start + p_length;
new_sd->orientation = sd->orientation;
new_sd->direction = sd->direction;
new_sd->custom_punct = sd->custom_punct;
new_sd->para_direction = sd->para_direction;
new_sd->line_breaks_valid = sd->line_breaks_valid;
new_sd->justification_ops_valid = sd->justification_ops_valid;
new_sd->sort_valid = false;
new_sd->upos = sd->upos;
new_sd->uthk = sd->uthk;
for (int i = 0; i < TextServer::SPACING_MAX; i++) {
new_sd->extra_spacing[i] = sd->extra_spacing[i];
}
if (p_length > 0) {
new_sd->text = sd->text.substr(p_start - sd->start, p_length);
int sd_size = sd->glyphs.size();
const Glyph *sd_glyphs = sd->glyphs.ptr();
for (int i = 0; i < sd_size; i++) {
if ((sd_glyphs[i].start >= new_sd->start) && (sd_glyphs[i].end <= new_sd->end)) {
Glyph gl = sd_glyphs[i];
if (gl.end == p_start + p_length && ((gl.flags & GRAPHEME_IS_SOFT_HYPHEN) == GRAPHEME_IS_SOFT_HYPHEN)) {
gl.index = 0x00ad;
gl.advance = font_get_glyph_advance(gl.font_rid, gl.font_size, 0x00ad).x;
}
Variant key;
bool find_embedded = false;
if (gl.count == 1) {
for (const KeyValue<Variant, ShapedTextDataFallback::EmbeddedObject> &E : sd->objects) {
if (E.value.start == gl.start) {
find_embedded = true;
key = E.key;
new_sd->objects[key] = E.value;
break;
}
}
}
if (find_embedded) {
if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
new_sd->objects[key].rect.position.x = new_sd->width;
new_sd->width += new_sd->objects[key].rect.size.x;
} else {
new_sd->objects[key].rect.position.y = new_sd->width;
new_sd->width += new_sd->objects[key].rect.size.y;
}
} else {
if (gl.font_rid.is_valid()) {
if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
new_sd->ascent = MAX(new_sd->ascent, _font_get_ascent(gl.font_rid, gl.font_size) + _font_get_spacing(gl.font_rid, SPACING_TOP));
new_sd->descent = MAX(new_sd->descent, _font_get_descent(gl.font_rid, gl.font_size) + _font_get_spacing(gl.font_rid, SPACING_BOTTOM));
} else {
new_sd->ascent = MAX(new_sd->ascent, Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5));
new_sd->descent = MAX(new_sd->descent, Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5));
}
} else if (new_sd->preserve_invalid || (new_sd->preserve_control && is_control(gl.index))) {
// Glyph not found, replace with hex code box.
if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
new_sd->ascent = MAX(new_sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y);
} else {
new_sd->ascent = MAX(new_sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5));
new_sd->descent = MAX(new_sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5));
}
}
new_sd->width += gl.advance * gl.repeat;
}
new_sd->glyphs.push_back(gl);
}
}
_realign(new_sd);
}
new_sd->valid.set();
return shaped_owner.make_rid(new_sd);
}
RID TextServerFallback::_shaped_text_get_parent(const RID &p_shaped) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, RID());
MutexLock lock(sd->mutex);
return sd->parent;
}
double TextServerFallback::_shaped_text_fit_to_width(const RID &p_shaped, double p_width, BitField<JustificationFlag> p_jst_flags) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
if (!sd->justification_ops_valid) {
const_cast<TextServerFallback *>(this)->_shaped_text_update_justification_ops(p_shaped);
}
int start_pos = 0;
int end_pos = sd->glyphs.size() - 1;
if (p_jst_flags.has_flag(JUSTIFICATION_AFTER_LAST_TAB)) {
int start, end, delta;
if (sd->para_direction == DIRECTION_LTR) {
start = sd->glyphs.size() - 1;
end = -1;
delta = -1;
} else {
start = 0;
end = sd->glyphs.size();
delta = +1;
}
for (int i = start; i != end; i += delta) {
if ((sd->glyphs[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) {
if (sd->para_direction == DIRECTION_LTR) {
start_pos = i;
break;
} else {
end_pos = i;
break;
}
}
}
}
double justification_width;
if (p_jst_flags.has_flag(JUSTIFICATION_CONSTRAIN_ELLIPSIS)) {
if (sd->overrun_trim_data.trim_pos >= 0) {
end_pos = sd->overrun_trim_data.trim_pos;
justification_width = sd->width_trimmed;
} else {
return Math::ceil(sd->width);
}
} else {
justification_width = sd->width;
}
if (p_jst_flags.has_flag(JUSTIFICATION_TRIM_EDGE_SPACES)) {
// Trim spaces.
while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_SOFT_HYPHEN) != GRAPHEME_IS_SOFT_HYPHEN) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
justification_width -= sd->glyphs[start_pos].advance * sd->glyphs[start_pos].repeat;
sd->glyphs.write[start_pos].advance = 0;
start_pos += sd->glyphs[start_pos].count;
}
while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_SOFT_HYPHEN) != GRAPHEME_IS_SOFT_HYPHEN) && ((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)) {
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;
}
} else {
// Skip breaks, but do not reset size.
while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_SOFT_HYPHEN) != GRAPHEME_IS_SOFT_HYPHEN) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
start_pos += sd->glyphs[start_pos].count;
}
while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_SOFT_HYPHEN) != GRAPHEME_IS_SOFT_HYPHEN) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) {
end_pos -= sd->glyphs[end_pos].count;
}
}
int space_count = 0;
for (int i = start_pos; i <= end_pos; i++) {
const Glyph &gl = sd->glyphs[i];
if (gl.count > 0) {
if ((gl.flags & GRAPHEME_IS_SOFT_HYPHEN) != GRAPHEME_IS_SOFT_HYPHEN && (gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE && (gl.flags & GRAPHEME_IS_PUNCTUATION) != GRAPHEME_IS_PUNCTUATION) {
space_count++;
}
}
}
if ((space_count > 0) && p_jst_flags.has_flag(JUSTIFICATION_WORD_BOUND)) {
double 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_SOFT_HYPHEN) != GRAPHEME_IS_SOFT_HYPHEN && (gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE && (gl.flags & GRAPHEME_IS_PUNCTUATION) != GRAPHEME_IS_PUNCTUATION) {
double old_adv = gl.advance;
gl.advance = MAX(gl.advance + delta_width_per_space, Math::round(0.1 * gl.font_size));
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.has_flag(JUSTIFICATION_CONSTRAIN_ELLIPSIS)) {
sd->width = justification_width;
}
return Math::ceil(justification_width);
}
double TextServerFallback::_shaped_text_tab_align(const RID &p_shaped, const PackedFloat32Array &p_tab_stops) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
if (!sd->line_breaks_valid) {
const_cast<TextServerFallback *>(this)->_shaped_text_update_breaks(p_shaped);
}
for (int i = 0; i < p_tab_stops.size(); i++) {
if (p_tab_stops[i] <= 0) {
return 0.0;
}
}
int tab_index = 0;
double off = 0.0;
int start, end, delta;
if (sd->para_direction == DIRECTION_LTR) {
start = 0;
end = sd->glyphs.size();
delta = +1;
} else {
start = sd->glyphs.size() - 1;
end = -1;
delta = -1;
}
Glyph *gl = sd->glyphs.ptrw();
for (int i = start; i != end; i += delta) {
if ((gl[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) {
double tab_off = 0.0;
while (tab_off <= off) {
tab_off += p_tab_stops[tab_index];
tab_index++;
if (tab_index >= p_tab_stops.size()) {
tab_index = 0;
}
}
double old_adv = gl[i].advance;
gl[i].advance = tab_off - off;
sd->width += gl[i].advance - old_adv;
off = 0;
continue;
}
off += gl[i].advance * gl[i].repeat;
}
return 0.0;
}
bool TextServerFallback::_shaped_text_update_breaks(const RID &p_shaped) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
_shaped_text_shape(p_shaped);
}
if (sd->line_breaks_valid) {
return true; // Nothing to do.
}
int sd_size = sd->glyphs.size();
Glyph *sd_glyphs = sd->glyphs.ptrw();
int c_punct_size = sd->custom_punct.length();
const char32_t *c_punct = sd->custom_punct.ptr();
for (int i = 0; i < sd_size; i++) {
if (sd_glyphs[i].count > 0) {
char32_t c = sd->text[sd_glyphs[i].start - sd->start];
char32_t c_next = i < sd_size ? sd->text[sd_glyphs[i].start - sd->start + 1] : 0x0000;
if (c_punct_size == 0) {
if (is_punct(c) && c != 0x005F && c != ' ') {
sd_glyphs[i].flags |= GRAPHEME_IS_PUNCTUATION;
}
} else {
for (int j = 0; j < c_punct_size; j++) {
if (c_punct[j] == c) {
sd_glyphs[i].flags |= GRAPHEME_IS_PUNCTUATION;
break;
}
}
}
if (is_underscore(c)) {
sd->glyphs.write[i].flags |= GRAPHEME_IS_UNDERSCORE;
}
if (is_whitespace(c) && !is_linebreak(c)) {
sd_glyphs[i].flags |= GRAPHEME_IS_SPACE;
if (c != 0x00A0 && c != 0x202F && c != 0x2060 && c != 0x2007) { // Skip for non-breaking space variants.
sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_SOFT;
}
}
if (is_linebreak(c)) {
sd_glyphs[i].flags |= GRAPHEME_IS_SPACE;
if (c != 0x000D || c_next != 0x000A) { // Skip first hard break in CR-LF pair.
sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_HARD;
}
}
if (c == 0x0009 || c == 0x000b) {
sd_glyphs[i].flags |= GRAPHEME_IS_TAB;
}
if (c == 0x00ad) {
sd_glyphs[i].flags |= GRAPHEME_IS_SOFT_HYPHEN;
}
i += (sd_glyphs[i].count - 1);
}
}
sd->line_breaks_valid = true;
return sd->line_breaks_valid;
}
bool TextServerFallback::_shaped_text_update_justification_ops(const RID &p_shaped) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
_shaped_text_shape(p_shaped);
}
if (!sd->line_breaks_valid) {
_shaped_text_update_breaks(p_shaped);
}
sd->justification_ops_valid = true; // Not supported by fallback server.
return true;
}
RID TextServerFallback::_find_sys_font_for_text(const RID &p_fdef, const String &p_script_code, const String &p_language, const String &p_text) {
RID f;
// Try system fallback.
if (_font_is_allow_system_fallback(p_fdef)) {
String font_name = _font_get_name(p_fdef);
BitField<FontStyle> font_style = _font_get_style(p_fdef);
int font_weight = _font_get_weight(p_fdef);
int font_stretch = _font_get_stretch(p_fdef);
Dictionary dvar = _font_get_variation_coordinates(p_fdef);
static int64_t wgth_tag = name_to_tag("weight");
static int64_t wdth_tag = name_to_tag("width");
static int64_t ital_tag = name_to_tag("italic");
if (dvar.has(wgth_tag)) {
font_weight = dvar[wgth_tag].operator int();
}
if (dvar.has(wdth_tag)) {
font_stretch = dvar[wdth_tag].operator int();
}
if (dvar.has(ital_tag) && dvar[ital_tag].operator int() == 1) {
font_style.set_flag(TextServer::FONT_ITALIC);
}
String locale = (p_language.is_empty()) ? TranslationServer::get_singleton()->get_tool_locale() : p_language;
PackedStringArray fallback_font_name = OS::get_singleton()->get_system_font_path_for_text(font_name, p_text, locale, p_script_code, font_weight, font_stretch, font_style & TextServer::FONT_ITALIC);
#ifdef GDEXTENSION
for (int fb = 0; fb < fallback_font_name.size(); fb++) {
const String &E = fallback_font_name[fb];
#elif defined(GODOT_MODULE)
for (const String &E : fallback_font_name) {
#endif
SystemFontKey key = SystemFontKey(E, font_style & TextServer::FONT_ITALIC, font_weight, font_stretch, p_fdef, this);
if (system_fonts.has(key)) {
const SystemFontCache &sysf_cache = system_fonts[key];
int best_score = 0;
int best_match = -1;
for (int face_idx = 0; face_idx < sysf_cache.var.size(); face_idx++) {
const SystemFontCacheRec &F = sysf_cache.var[face_idx];
if (unlikely(!_font_has_char(F.rid, p_text[0]))) {
continue;
}
BitField<FontStyle> style = _font_get_style(F.rid);
int weight = _font_get_weight(F.rid);
int stretch = _font_get_stretch(F.rid);
int score = (20 - Math::abs(weight - font_weight) / 50);
score += (20 - Math::abs(stretch - font_stretch) / 10);
if (bool(style & TextServer::FONT_ITALIC) == bool(font_style & TextServer::FONT_ITALIC)) {
score += 30;
}
if (score >= best_score) {
best_score = score;
best_match = face_idx;
}
if (best_score == 70) {
break;
}
}
if (best_match != -1) {
f = sysf_cache.var[best_match].rid;
}
}
if (!f.is_valid()) {
if (system_fonts.has(key)) {
const SystemFontCache &sysf_cache = system_fonts[key];
if (sysf_cache.max_var == sysf_cache.var.size()) {
// All subfonts already tested, skip.
continue;
}
}
if (!system_font_data.has(E)) {
system_font_data[E] = FileAccess::get_file_as_bytes(E);
}
const PackedByteArray &font_data = system_font_data[E];
SystemFontCacheRec sysf;
sysf.rid = _create_font();
_font_set_data_ptr(sysf.rid, font_data.ptr(), font_data.size());
Dictionary var = dvar;
// Select matching style from collection.
int best_score = 0;
int best_match = -1;
for (int face_idx = 0; face_idx < _font_get_face_count(sysf.rid); face_idx++) {
_font_set_face_index(sysf.rid, face_idx);
if (unlikely(!_font_has_char(sysf.rid, p_text[0]))) {
continue;
}
BitField<FontStyle> style = _font_get_style(sysf.rid);
int weight = _font_get_weight(sysf.rid);
int stretch = _font_get_stretch(sysf.rid);
int score = (20 - Math::abs(weight - font_weight) / 50);
score += (20 - Math::abs(stretch - font_stretch) / 10);
if (bool(style & TextServer::FONT_ITALIC) == bool(font_style & TextServer::FONT_ITALIC)) {
score += 30;
}
if (score >= best_score) {
best_score = score;
best_match = face_idx;
}
if (best_score == 70) {
break;
}
}
if (best_match == -1) {
_free_rid(sysf.rid);
continue;
} else {
_font_set_face_index(sysf.rid, best_match);
}
sysf.index = best_match;
// If it's a variable font, apply weight, stretch and italic coordinates to match requested style.
if (best_score != 70) {
Dictionary ftr = _font_supported_variation_list(sysf.rid);
if (ftr.has(wdth_tag)) {
var[wdth_tag] = font_stretch;
_font_set_stretch(sysf.rid, font_stretch);
}
if (ftr.has(wgth_tag)) {
var[wgth_tag] = font_weight;
_font_set_weight(sysf.rid, font_weight);
}
if ((font_style & TextServer::FONT_ITALIC) && ftr.has(ital_tag)) {
var[ital_tag] = 1;
_font_set_style(sysf.rid, _font_get_style(sysf.rid) | TextServer::FONT_ITALIC);
}
}
_font_set_antialiasing(sysf.rid, key.antialiasing);
_font_set_disable_embedded_bitmaps(sysf.rid, key.disable_embedded_bitmaps);
_font_set_generate_mipmaps(sysf.rid, key.mipmaps);
_font_set_multichannel_signed_distance_field(sysf.rid, key.msdf);
_font_set_msdf_pixel_range(sysf.rid, key.msdf_range);
_font_set_msdf_size(sysf.rid, key.msdf_source_size);
_font_set_fixed_size(sysf.rid, key.fixed_size);
_font_set_force_autohinter(sysf.rid, key.force_autohinter);
_font_set_hinting(sysf.rid, key.hinting);
_font_set_subpixel_positioning(sysf.rid, key.subpixel_positioning);
_font_set_variation_coordinates(sysf.rid, var);
_font_set_oversampling(sysf.rid, key.oversampling);
_font_set_embolden(sysf.rid, key.embolden);
_font_set_transform(sysf.rid, key.transform);
_font_set_spacing(sysf.rid, SPACING_TOP, key.extra_spacing[SPACING_TOP]);
_font_set_spacing(sysf.rid, SPACING_BOTTOM, key.extra_spacing[SPACING_BOTTOM]);
_font_set_spacing(sysf.rid, SPACING_SPACE, key.extra_spacing[SPACING_SPACE]);
_font_set_spacing(sysf.rid, SPACING_GLYPH, key.extra_spacing[SPACING_GLYPH]);
if (system_fonts.has(key)) {
system_fonts[key].var.push_back(sysf);
} else {
SystemFontCache &sysf_cache = system_fonts[key];
sysf_cache.max_var = _font_get_face_count(sysf.rid);
sysf_cache.var.push_back(sysf);
}
f = sysf.rid;
}
break;
}
}
return f;
}
void TextServerFallback::_shaped_text_overrun_trim_to_width(const RID &p_shaped_line, double p_width, BitField<TextServer::TextOverrunFlag> p_trim_flags) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped_line);
ERR_FAIL_NULL_MSG(sd, "ShapedTextDataFallback invalid.");
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
_shaped_text_shape(p_shaped_line);
}
sd->text_trimmed = false;
sd->overrun_trim_data.ellipsis_glyph_buf.clear();
bool add_ellipsis = p_trim_flags.has_flag(OVERRUN_ADD_ELLIPSIS);
bool cut_per_word = p_trim_flags.has_flag(OVERRUN_TRIM_WORD_ONLY);
bool enforce_ellipsis = p_trim_flags.has_flag(OVERRUN_ENFORCE_ELLIPSIS);
bool justification_aware = p_trim_flags.has_flag(OVERRUN_JUSTIFICATION_AWARE);
Glyph *sd_glyphs = sd->glyphs.ptrw();
if ((p_trim_flags & OVERRUN_TRIM) == OVERRUN_NO_TRIM || 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;
}
Vector<ShapedTextDataFallback::Span> &spans = sd->spans;
if (sd->parent != RID()) {
ShapedTextDataFallback *parent_sd = shaped_owner.get_or_null(sd->parent);
ERR_FAIL_COND(!parent_sd->valid.is_set());
spans = parent_sd->spans;
}
if (spans.size() == 0) {
return;
}
int sd_size = sd->glyphs.size();
int last_gl_font_size = sd_glyphs[sd_size - 1].font_size;
bool found_el_char = false;
// Find usable fonts, if fonts from the last glyph do not have required chars.
RID dot_gl_font_rid = sd_glyphs[sd_size - 1].font_rid;
if (!_font_has_char(dot_gl_font_rid, sd->el_char)) {
const Array &fonts = spans[spans.size() - 1].fonts;
for (int i = 0; i < fonts.size(); i++) {
if (_font_has_char(fonts[i], sd->el_char)) {
dot_gl_font_rid = fonts[i];
found_el_char = true;
break;
}
}
if (!found_el_char && OS::get_singleton()->has_feature("system_fonts") && fonts.size() > 0 && _font_is_allow_system_fallback(fonts[0])) {
const char32_t u32str[] = { sd->el_char, 0 };
RID rid = _find_sys_font_for_text(fonts[0], String(), spans[spans.size() - 1].language, u32str);
if (rid.is_valid()) {
dot_gl_font_rid = rid;
found_el_char = true;
}
}
} else {
found_el_char = true;
}
if (!found_el_char) {
bool found_dot_char = false;
dot_gl_font_rid = sd_glyphs[sd_size - 1].font_rid;
if (!_font_has_char(dot_gl_font_rid, '.')) {
const Array &fonts = spans[spans.size() - 1].fonts;
for (int i = 0; i < fonts.size(); i++) {
if (_font_has_char(fonts[i], '.')) {
dot_gl_font_rid = fonts[i];
found_dot_char = true;
break;
}
}
if (!found_dot_char && OS::get_singleton()->has_feature("system_fonts") && fonts.size() > 0 && _font_is_allow_system_fallback(fonts[0])) {
RID rid = _find_sys_font_for_text(fonts[0], String(), spans[spans.size() - 1].language, ".");
if (rid.is_valid()) {
dot_gl_font_rid = rid;
}
}
}
}
RID whitespace_gl_font_rid = sd_glyphs[sd_size - 1].font_rid;
if (!_font_has_char(whitespace_gl_font_rid, ' ')) {
const Array &fonts = spans[spans.size() - 1].fonts;
for (int i = 0; i < fonts.size(); i++) {
if (_font_has_char(fonts[i], ' ')) {
whitespace_gl_font_rid = fonts[i];
break;
}
}
}
int32_t dot_gl_idx = dot_gl_font_rid.is_valid() ? _font_get_glyph_index(dot_gl_font_rid, last_gl_font_size, (found_el_char ? sd->el_char : '.'), 0) : -1;
Vector2 dot_adv = dot_gl_font_rid.is_valid() ? _font_get_glyph_advance(dot_gl_font_rid, last_gl_font_size, dot_gl_idx) : Vector2();
int32_t whitespace_gl_idx = whitespace_gl_font_rid.is_valid() ? _font_get_glyph_index(whitespace_gl_font_rid, last_gl_font_size, ' ', 0) : -1;
Vector2 whitespace_adv = whitespace_gl_font_rid.is_valid() ? _font_get_glyph_advance(whitespace_gl_font_rid, last_gl_font_size, whitespace_gl_idx) : Vector2();
int ellipsis_width = 0;
if (add_ellipsis && whitespace_gl_font_rid.is_valid()) {
ellipsis_width = (found_el_char ? 1 : 3) * dot_adv.x + sd->extra_spacing[SPACING_GLYPH] + _font_get_spacing(dot_gl_font_rid, SPACING_GLYPH) + (cut_per_word ? whitespace_adv.x : 0);
}
int ell_min_characters = 6;
double width = sd->width;
int trim_pos = 0;
int ellipsis_pos = (enforce_ellipsis) ? 0 : -1;
int last_valid_cut = 0;
bool found = false;
if (enforce_ellipsis && (width + ellipsis_width <= p_width)) {
trim_pos = -1;
ellipsis_pos = sd_size;
} else {
for (int i = sd_size - 1; i != -1; i--) {
width -= sd_glyphs[i].advance * sd_glyphs[i].repeat;
if (sd_glyphs[i].count > 0) {
bool above_min_char_threshold = (i >= ell_min_characters);
if (width + (((above_min_char_threshold && add_ellipsis) || enforce_ellipsis) ? ellipsis_width : 0) <= p_width) {
if (cut_per_word && above_min_char_threshold) {
if ((sd_glyphs[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) {
last_valid_cut = i;
found = true;
}
} else {
last_valid_cut = i;
found = true;
}
if (found) {
trim_pos = last_valid_cut;
if (add_ellipsis && (above_min_char_threshold || enforce_ellipsis) && width - ellipsis_width <= p_width) {
ellipsis_pos = trim_pos;
}
break;
}
}
}
}
}
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) {
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)) {
Glyph gl;
gl.count = 1;
gl.advance = whitespace_adv.x;
gl.index = whitespace_gl_idx;
gl.font_rid = whitespace_gl_font_rid;
gl.font_size = last_gl_font_size;
gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL;
sd->overrun_trim_data.ellipsis_glyph_buf.append(gl);
}
// Add ellipsis dots.
if (dot_gl_idx != 0) {
Glyph gl;
gl.count = 1;
gl.repeat = (found_el_char ? 1 : 3);
gl.advance = dot_adv.x;
gl.index = dot_gl_idx;
gl.font_rid = dot_gl_font_rid;
gl.font_size = last_gl_font_size;
gl.flags = GRAPHEME_IS_PUNCTUATION | GRAPHEME_IS_VIRTUAL;
sd->overrun_trim_data.ellipsis_glyph_buf.append(gl);
}
}
sd->text_trimmed = true;
sd->width_trimmed = width + ((ellipsis_pos != -1) ? ellipsis_width : 0);
}
}
int64_t TextServerFallback::_shaped_text_get_trim_pos(const RID &p_shaped) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V_MSG(sd, -1, "ShapedTextDataFallback invalid.");
MutexLock lock(sd->mutex);
return sd->overrun_trim_data.trim_pos;
}
int64_t TextServerFallback::_shaped_text_get_ellipsis_pos(const RID &p_shaped) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V_MSG(sd, -1, "ShapedTextDataFallback invalid.");
MutexLock lock(sd->mutex);
return sd->overrun_trim_data.ellipsis_pos;
}
const Glyph *TextServerFallback::_shaped_text_get_ellipsis_glyphs(const RID &p_shaped) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V_MSG(sd, nullptr, "ShapedTextDataFallback invalid.");
MutexLock lock(sd->mutex);
return sd->overrun_trim_data.ellipsis_glyph_buf.ptr();
}
int64_t TextServerFallback::_shaped_text_get_ellipsis_glyph_count(const RID &p_shaped) const {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V_MSG(sd, 0, "ShapedTextDataFallback invalid.");
MutexLock lock(sd->mutex);
return sd->overrun_trim_data.ellipsis_glyph_buf.size();
}
bool TextServerFallback::_shaped_text_shape(const RID &p_shaped) {
ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
MutexLock lock(sd->mutex);
if (sd->valid.is_set()) {
return true;
}
if (sd->parent != RID()) {
full_copy(sd);
}
// Cleanup.
sd->justification_ops_valid = false;
sd->line_breaks_valid = false;
sd->ascent = 0.0;
sd->descent = 0.0;
sd->width = 0.0;
sd->glyphs.clear();
if (sd->text.length() == 0) {
sd->valid.set();
return true;
}
// "Shape" string.
for (int i = 0; i < sd->spans.size(); i++) {
const ShapedTextDataFallback::Span &span = sd->spans[i];
if (span.embedded_key != Variant()) {
// Embedded object.
if (sd->orientation == ORIENTATION_HORIZONTAL) {
sd->objects[span.embedded_key].rect.position.x = sd->width;
sd->width += sd->objects[span.embedded_key].rect.size.x;
} else {
sd->objects[span.embedded_key].rect.position.y = sd->width;
sd->width += sd->objects[span.embedded_key].rect.size.y;
}
Glyph gl;
gl.start = span.start;
gl.end = span.end;
gl.count = 1;
gl.index = 0;
gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_EMBEDDED_OBJECT;
if (sd->orientation == ORIENTATION_HORIZONTAL) {
gl.advance = sd->objects[span.embedded_key].rect.size.x;
} else {
gl.advance = sd->objects[span.embedded_key].rect.size.y;
}
sd->glyphs.push_back(gl);
} else {
// Text span.
RID prev_font;
for (int j = span.start; j < span.end; j++) {
Glyph gl;
gl.start = j;
gl.end = j + 1;
gl.count = 1;
gl.font_size = span.font_size;
gl.index = (int32_t)sd->text[j - sd->start]; // Use codepoint.
if (gl.index == 0x0009 || gl.index == 0x000b) {
gl.index = 0x0020;
}
if (!sd->preserve_control && is_control(gl.index)) {
gl.index = 0x0020;
}
// Select first font which has character (font are already sorted by span language).
for (int k = 0; k < span.fonts.size(); k++) {
if (_font_has_char(span.fonts[k], gl.index)) {
gl.font_rid = span.fonts[k];
break;
}
}
if (!gl.font_rid.is_valid() && prev_font.is_valid()) {
if (_font_has_char(prev_font, gl.index)) {
gl.font_rid = prev_font;
}
}
if (!gl.font_rid.is_valid() && OS::get_singleton()->has_feature("system_fonts") && span.fonts.size() > 0) {
// Try system fallback.
RID fdef = span.fonts[0];
if (_font_is_allow_system_fallback(fdef)) {
String text = sd->text.substr(j, 1);
gl.font_rid = _find_sys_font_for_text(fdef, String(), span.language, text);
}
}
prev_font = gl.font_rid;
if (gl.font_rid.is_valid()) {
double scale = _font_get_scale(gl.font_rid, gl.font_size);
bool subpos = (scale != 1.0) || (_font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_ONE_HALF) || (_font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_ONE_QUARTER) || (_font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_AUTO && gl.font_size <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE);
if (sd->text[j - sd->start] != 0 && !is_linebreak(sd->text[j - sd->start])) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
gl.advance = _font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x;
gl.x_off = 0;
gl.y_off = _font_get_baseline_offset(gl.font_rid) * (double)(_font_get_ascent(gl.font_rid, gl.font_size) + _font_get_descent(gl.font_rid, gl.font_size));
sd->ascent = MAX(sd->ascent, _font_get_ascent(gl.font_rid, gl.font_size) + _font_get_spacing(gl.font_rid, SPACING_TOP));
sd->descent = MAX(sd->descent, _font_get_descent(gl.font_rid, gl.font_size) + _font_get_spacing(gl.font_rid, SPACING_BOTTOM));
} else {
gl.advance = _font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).y;
gl.x_off = -Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5) + _font_get_baseline_offset(gl.font_rid) * (double)(_font_get_ascent(gl.font_rid, gl.font_size) + _font_get_descent(gl.font_rid, gl.font_size));
gl.y_off = _font_get_ascent(gl.font_rid, gl.font_size);
sd->ascent = MAX(sd->ascent, Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5));
sd->descent = MAX(sd->descent, Math::round(_font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5));
}
}
if (j < sd->end - 1) {
// Do not add extra spacing to the last glyph of the string.
if (is_whitespace(sd->text[j - sd->start])) {
gl.advance += sd->extra_spacing[SPACING_SPACE] + _font_get_spacing(gl.font_rid, SPACING_SPACE);
} else {
gl.advance += sd->extra_spacing[SPACING_GLYPH] + _font_get_spacing(gl.font_rid, SPACING_GLYPH);
}
}
sd->upos = MAX(sd->upos, _font_get_underline_position(gl.font_rid, gl.font_size));
sd->uthk = MAX(sd->uthk, _font_get_underline_thickness(gl.font_rid, gl.font_size));
// Add kerning to previous glyph.
if (sd->glyphs.size() > 0) {
Glyph &prev_gl = sd->glyphs.write[sd->glyphs.size() - 1];
if (prev_gl.font_rid == gl.font_rid && prev_gl.font_size == gl.font_size) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
prev_gl.advance += _font_get_kerning(gl.font_rid, gl.font_size, Vector2i(prev_gl.index, gl.index)).x;
} else {
prev_gl.advance += _font_get_kerning(gl.font_rid, gl.font_size, Vector2i(prev_gl.index, gl.index)).y;
}
}
}
if (sd->orientation == ORIENTATION_HORIZONTAL && !subpos) {
gl.advance = Math::round(gl.advance);
}
} else if (sd->preserve_invalid || (sd->preserve_control && is_control(gl.index))) {
// Glyph not found, replace with hex code box.
if (sd->orientation == ORIENTATION_HORIZONTAL) {
gl.advance = get_hex_code_box_size(gl.font_size, gl.index).x;
sd->ascent = MAX(sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y);
} else {
gl.advance = get_hex_code_box_size(gl.font_size, gl.index).y;
sd->ascent = MAX(sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5));
sd->descent = MAX(sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5));
}
}
sd->width += gl.advance;
sd->glyphs.push_back(gl);
}
}
}
// Align embedded objects to baseline.
_realign(sd);
sd->valid.set();
return sd->valid.is_set();
}
bool TextServerFallback::_shaped_text_is_ready(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, false);
return sd->valid.is_set();
}
const Glyph *TextServerFallback::_shaped_text_get_glyphs(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, nullptr);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->glyphs.ptr();
}
int64_t TextServerFallback::_shaped_text_get_glyph_count(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->glyphs.size();
}
const Glyph *TextServerFallback::_shaped_text_sort_logical(const RID &p_shaped) {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, nullptr);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->glyphs.ptr(); // Already in the logical order, return as is.
}
Vector2i TextServerFallback::_shaped_text_get_range(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, Vector2i());
MutexLock lock(sd->mutex);
return Vector2(sd->start, sd->end);
}
Array TextServerFallback::_shaped_text_get_objects(const RID &p_shaped) const {
Array ret;
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, ret);
MutexLock lock(sd->mutex);
for (const KeyValue<Variant, ShapedTextDataFallback::EmbeddedObject> &E : sd->objects) {
ret.push_back(E.key);
}
return ret;
}
Rect2 TextServerFallback::_shaped_text_get_object_rect(const RID &p_shaped, const Variant &p_key) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, Rect2());
MutexLock lock(sd->mutex);
ERR_FAIL_COND_V(!sd->objects.has(p_key), Rect2());
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->objects[p_key].rect;
}
Vector2i TextServerFallback::_shaped_text_get_object_range(const RID &p_shaped, const Variant &p_key) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, Vector2i());
MutexLock lock(sd->mutex);
ERR_FAIL_COND_V(!sd->objects.has(p_key), Vector2i());
return Vector2i(sd->objects[p_key].start, sd->objects[p_key].end);
}
int64_t TextServerFallback::_shaped_text_get_object_glyph(const RID &p_shaped, const Variant &p_key) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, -1);
MutexLock lock(sd->mutex);
ERR_FAIL_COND_V(!sd->objects.has(p_key), -1);
const ShapedTextDataFallback::EmbeddedObject &obj = sd->objects[p_key];
int sd_size = sd->glyphs.size();
const Glyph *sd_glyphs = sd->glyphs.ptr();
for (int i = 0; i < sd_size; i++) {
if (obj.start == sd_glyphs[i].start) {
return i;
}
}
return -1;
}
Size2 TextServerFallback::_shaped_text_get_size(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, Size2());
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) {
return Size2(sd->width, sd->ascent + sd->descent + sd->extra_spacing[SPACING_TOP] + sd->extra_spacing[SPACING_BOTTOM]).ceil();
} else {
return Size2(sd->ascent + sd->descent + sd->extra_spacing[SPACING_TOP] + sd->extra_spacing[SPACING_BOTTOM], sd->width).ceil();
}
}
double TextServerFallback::_shaped_text_get_ascent(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->ascent + sd->extra_spacing[SPACING_TOP];
}
double TextServerFallback::_shaped_text_get_descent(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->descent + sd->extra_spacing[SPACING_BOTTOM];
}
double TextServerFallback::_shaped_text_get_width(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return Math::ceil(sd->width);
}
double TextServerFallback::_shaped_text_get_underline_position(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->upos;
}
double TextServerFallback::_shaped_text_get_underline_thickness(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, 0.0);
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
return sd->uthk;
}
PackedInt32Array TextServerFallback::_shaped_text_get_character_breaks(const RID &p_shaped) const {
const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_NULL_V(sd, PackedInt32Array());
MutexLock lock(sd->mutex);
if (!sd->valid.is_set()) {
const_cast<TextServerFallback *>(this)->_shaped_text_shape(p_shaped);
}
PackedInt32Array ret;
int size = sd->end - sd->start;
if (size > 0) {
ret.resize(size);
for (int i = 0; i < size; i++) {
#ifdef GDEXTENSION
ret[i] = i + 1 + sd->start;
#else
ret.write[i] = i + 1 + sd->start;
#endif
}
}
return ret;
}
String TextServerFallback::_string_to_upper(const String &p_string, const String &p_language) const {
return p_string.to_upper();
}
String TextServerFallback::_string_to_lower(const String &p_string, const String &p_language) const {
return p_string.to_lower();
}
String TextServerFallback::_string_to_title(const String &p_string, const String &p_language) const {
return p_string.capitalize();
}
PackedInt32Array TextServerFallback::_string_get_word_breaks(const String &p_string, const String &p_language, int64_t p_chars_per_line) const {
PackedInt32Array ret;
if (p_chars_per_line > 0) {
int line_start = 0;
int last_break = -1;
int line_length = 0;
for (int i = 0; i < p_string.length(); i++) {
const char32_t c = p_string[i];
bool is_lb = is_linebreak(c);
bool is_ws = is_whitespace(c);
bool is_p = (is_punct(c) && c != 0x005F) || is_underscore(c) || c == '\t' || c == 0xfffc;
if (is_lb) {
if (line_length > 0) {
ret.push_back(line_start);
ret.push_back(i);
}
line_start = i;
line_length = 0;
last_break = -1;
continue;
} else if (is_ws || is_p) {
last_break = i;
}
if (line_length == p_chars_per_line) {
if (last_break != -1) {
int last_break_w_spaces = last_break;
while (last_break > line_start && is_whitespace(p_string[last_break - 1])) {
last_break--;
}
if (line_start != last_break) {
ret.push_back(line_start);
ret.push_back(last_break);
}
while (last_break_w_spaces < p_string.length() && is_whitespace(p_string[last_break_w_spaces])) {
last_break_w_spaces++;
}
line_start = last_break_w_spaces;
if (last_break_w_spaces < i) {
line_length = i - last_break_w_spaces;
} else {
i = last_break_w_spaces;
line_length = 0;
}
} else {
ret.push_back(line_start);
ret.push_back(i);
line_start = i;
line_length = 0;
}
last_break = -1;
}
line_length++;
}
if (line_length > 0) {
ret.push_back(line_start);
ret.push_back(p_string.length());
}
} else {
int word_start = 0; // -1 if no word encountered. Leading spaces are part of a word.
int word_length = 0;
for (int i = 0; i < p_string.length(); i++) {
const char32_t c = p_string[i];
bool is_lb = is_linebreak(c);
bool is_ws = is_whitespace(c);
bool is_p = (is_punct(c) && c != 0x005F) || is_underscore(c) || c == '\t' || c == 0xfffc;
if (word_start == -1) {
if (!is_lb && !is_ws && !is_p) {
word_start = i;
}
continue;
}
if (is_lb) {
if (word_start != -1 && word_length > 0) {
ret.push_back(word_start);
ret.push_back(i);
}
word_start = -1;
word_length = 0;
} else if (is_ws || is_p) {
if (word_start != -1 && word_length > 0) {
ret.push_back(word_start);
ret.push_back(i);
}
word_start = -1;
word_length = 0;
}
word_length++;
}
if (word_start != -1 && word_length > 0) {
ret.push_back(word_start);
ret.push_back(p_string.length());
}
}
return ret;
}
void TextServerFallback::_update_settings() {
lcd_subpixel_layout.set((TextServer::FontLCDSubpixelLayout)(int)GLOBAL_GET("gui/theme/lcd_subpixel_layout"));
}
TextServerFallback::TextServerFallback() {
_insert_feature_sets();
ProjectSettings::get_singleton()->connect("settings_changed", callable_mp(this, &TextServerFallback::_update_settings));
};
void TextServerFallback::_cleanup() {
for (const KeyValue<SystemFontKey, SystemFontCache> &E : system_fonts) {
const Vector<SystemFontCacheRec> &sysf_cache = E.value.var;
for (const SystemFontCacheRec &F : sysf_cache) {
_free_rid(F.rid);
}
}
system_fonts.clear();
system_font_data.clear();
}
TextServerFallback::~TextServerFallback() {
#ifdef MODULE_FREETYPE_ENABLED
if (ft_library != nullptr) {
FT_Done_FreeType(ft_library);
}
#endif
};
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