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/**************************************************************************/
/* resource_importer_dynamic_font.cpp */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* 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 "resource_importer_dynamic_font.h"
#include "core/io/file_access.h"
#include "core/io/resource_saver.h"
#include "editor/import/dynamic_font_import_settings.h"
#include "scene/resources/font.h"
#include "servers/text_server.h"
#include "modules/modules_enabled.gen.h" // For freetype.
String ResourceImporterDynamicFont::get_importer_name() const {
return "font_data_dynamic";
}
String ResourceImporterDynamicFont::get_visible_name() const {
return "Font Data (Dynamic Font)";
}
void ResourceImporterDynamicFont::get_recognized_extensions(List<String> *p_extensions) const {
if (p_extensions) {
#ifdef MODULE_FREETYPE_ENABLED
p_extensions->push_back("ttf");
p_extensions->push_back("ttc");
p_extensions->push_back("otf");
p_extensions->push_back("otc");
p_extensions->push_back("woff");
p_extensions->push_back("woff2");
p_extensions->push_back("pfb");
p_extensions->push_back("pfm");
#endif
}
}
String ResourceImporterDynamicFont::get_save_extension() const {
return "fontdata";
}
String ResourceImporterDynamicFont::get_resource_type() const {
return "FontFile";
}
bool ResourceImporterDynamicFont::get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const {
if (p_option == "msdf_pixel_range" && !bool(p_options["multichannel_signed_distance_field"])) {
return false;
}
if (p_option == "msdf_size" && !bool(p_options["multichannel_signed_distance_field"])) {
return false;
}
if (p_option == "antialiasing" && bool(p_options["multichannel_signed_distance_field"])) {
return false;
}
if (p_option == "oversampling" && bool(p_options["multichannel_signed_distance_field"])) {
return false;
}
if (p_option == "subpixel_positioning" && bool(p_options["multichannel_signed_distance_field"])) {
return false;
}
return true;
}
int ResourceImporterDynamicFont::get_preset_count() const {
return PRESET_MAX;
}
String ResourceImporterDynamicFont::get_preset_name(int p_idx) const {
switch (p_idx) {
case PRESET_DYNAMIC:
return TTR("Dynamically rendered TrueType/OpenType font");
case PRESET_MSDF:
return TTR("Prerendered multichannel(+true) signed distance field");
default:
return String();
}
}
void ResourceImporterDynamicFont::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
bool msdf = p_preset == PRESET_MSDF;
r_options->push_back(ImportOption(PropertyInfo(Variant::NIL, "Rendering", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_GROUP), Variant()));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "antialiasing", PROPERTY_HINT_ENUM, "None,Grayscale,LCD Subpixel"), 1));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "generate_mipmaps"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "disable_embedded_bitmaps"), true));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "multichannel_signed_distance_field", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), (msdf) ? true : false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "msdf_pixel_range", PROPERTY_HINT_RANGE, "1,100,1"), 8));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "msdf_size", PROPERTY_HINT_RANGE, "1,250,1"), 48));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "allow_system_fallback"), true));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "force_autohinter"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "hinting", PROPERTY_HINT_ENUM, "None,Light,Normal"), 1));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "subpixel_positioning", PROPERTY_HINT_ENUM, "Disabled,Auto,One Half of a Pixel,One Quarter of a Pixel"), 1));
r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "oversampling", PROPERTY_HINT_RANGE, "0,10,0.1"), 0.0));
r_options->push_back(ImportOption(PropertyInfo(Variant::NIL, "Fallbacks", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_GROUP), Variant()));
r_options->push_back(ImportOption(PropertyInfo(Variant::ARRAY, "fallbacks", PROPERTY_HINT_ARRAY_TYPE, MAKE_RESOURCE_TYPE_HINT("Font")), Array()));
r_options->push_back(ImportOption(PropertyInfo(Variant::NIL, "Compress", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_GROUP), Variant()));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "compress"), true));
// Hide from the main UI, only for advanced import dialog.
r_options->push_back(ImportOption(PropertyInfo(Variant::ARRAY, "preload", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_STORAGE), Array()));
r_options->push_back(ImportOption(PropertyInfo(Variant::DICTIONARY, "language_support", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_STORAGE), Dictionary()));
r_options->push_back(ImportOption(PropertyInfo(Variant::DICTIONARY, "script_support", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_STORAGE), Dictionary()));
r_options->push_back(ImportOption(PropertyInfo(Variant::DICTIONARY, "opentype_features", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_STORAGE), Dictionary()));
}
bool ResourceImporterDynamicFont::has_advanced_options() const {
return true;
}
void ResourceImporterDynamicFont::show_advanced_options(const String &p_path) {
DynamicFontImportSettingsDialog::get_singleton()->open_settings(p_path);
}
Error ResourceImporterDynamicFont::import(const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
print_verbose("Importing dynamic font from: " + p_source_file);
int antialiasing = p_options["antialiasing"];
bool generate_mipmaps = p_options["generate_mipmaps"];
bool disable_embedded_bitmaps = p_options["disable_embedded_bitmaps"];
bool msdf = p_options["multichannel_signed_distance_field"];
int px_range = p_options["msdf_pixel_range"];
int px_size = p_options["msdf_size"];
Dictionary ot_ov = p_options["opentype_features"];
bool autohinter = p_options["force_autohinter"];
bool allow_system_fallback = p_options["allow_system_fallback"];
int hinting = p_options["hinting"];
int subpixel_positioning = p_options["subpixel_positioning"];
real_t oversampling = p_options["oversampling"];
Array fallbacks = p_options["fallbacks"];
// Load base font data.
Vector<uint8_t> data = FileAccess::get_file_as_bytes(p_source_file);
// Create font.
Ref<FontFile> font;
font.instantiate();
font->set_data(data);
font->set_antialiasing((TextServer::FontAntialiasing)antialiasing);
font->set_disable_embedded_bitmaps(disable_embedded_bitmaps);
font->set_generate_mipmaps(generate_mipmaps);
font->set_multichannel_signed_distance_field(msdf);
font->set_msdf_pixel_range(px_range);
font->set_msdf_size(px_size);
font->set_opentype_feature_overrides(ot_ov);
font->set_fixed_size(0);
font->set_force_autohinter(autohinter);
font->set_allow_system_fallback(allow_system_fallback);
font->set_subpixel_positioning((TextServer::SubpixelPositioning)subpixel_positioning);
font->set_hinting((TextServer::Hinting)hinting);
font->set_oversampling(oversampling);
font->set_fallbacks(fallbacks);
Dictionary langs = p_options["language_support"];
for (int i = 0; i < langs.size(); i++) {
String key = langs.get_key_at_index(i);
bool enabled = langs.get_value_at_index(i);
font->set_language_support_override(key, enabled);
}
Dictionary scripts = p_options["script_support"];
for (int i = 0; i < scripts.size(); i++) {
String key = scripts.get_key_at_index(i);
bool enabled = scripts.get_value_at_index(i);
font->set_script_support_override(key, enabled);
}
Array preload_configurations = p_options["preload"];
for (int i = 0; i < preload_configurations.size(); i++) {
Dictionary preload_config = preload_configurations[i];
Dictionary variation = preload_config.has("variation_opentype") ? preload_config["variation_opentype"].operator Dictionary() : Dictionary();
double embolden = preload_config.has("variation_embolden") ? preload_config["variation_embolden"].operator double() : 0;
int face_index = preload_config.has("variation_face_index") ? preload_config["variation_face_index"].operator int() : 0;
Transform2D transform = preload_config.has("variation_transform") ? preload_config["variation_transform"].operator Transform2D() : Transform2D();
Vector2i size = preload_config.has("size") ? preload_config["size"].operator Vector2i() : Vector2i(16, 0);
String name = preload_config.has("name") ? preload_config["name"].operator String() : vformat("Configuration %d", i);
RID conf_rid = font->find_variation(variation, face_index, embolden, transform);
Array chars = preload_config["chars"];
for (int j = 0; j < chars.size(); j++) {
char32_t c = chars[j].operator int();
TS->font_render_range(conf_rid, size, c, c);
}
Array glyphs = preload_config["glyphs"];
for (int j = 0; j < glyphs.size(); j++) {
int32_t c = glyphs[j];
TS->font_render_glyph(conf_rid, size, c);
}
}
int flg = 0;
if ((bool)p_options["compress"]) {
flg |= ResourceSaver::SaverFlags::FLAG_COMPRESS;
}
print_verbose("Saving to: " + p_save_path + ".fontdata");
Error err = ResourceSaver::save(font, p_save_path + ".fontdata", flg);
ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot save font to file \"" + p_save_path + ".res\".");
print_verbose("Done saving to: " + p_save_path + ".fontdata");
return OK;
}
ResourceImporterDynamicFont::ResourceImporterDynamicFont() {
}
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