304 lines
12 KiB
C++
304 lines
12 KiB
C++
/*************************************************************************/
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/* resource_importer_dynamicfont.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "resource_importer_dynamicfont.h"
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#include "core/io/file_access.h"
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#include "core/io/resource_saver.h"
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#include "dynamicfont_import_settings.h"
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#include "editor/editor_node.h"
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#include "modules/modules_enabled.gen.h" // For freetype.
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String ResourceImporterDynamicFont::get_importer_name() const {
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return "font_data_dynamic";
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}
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String ResourceImporterDynamicFont::get_visible_name() const {
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return "Font Data (Dynamic Font)";
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}
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void ResourceImporterDynamicFont::get_recognized_extensions(List<String> *p_extensions) const {
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if (p_extensions) {
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#ifdef MODULE_FREETYPE_ENABLED
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p_extensions->push_back("ttf");
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p_extensions->push_back("otf");
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p_extensions->push_back("woff");
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//p_extensions->push_back("woff2");
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p_extensions->push_back("pfb");
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p_extensions->push_back("pfm");
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#endif
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}
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}
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String ResourceImporterDynamicFont::get_save_extension() const {
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return "fontdata";
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}
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String ResourceImporterDynamicFont::get_resource_type() const {
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return "FontData";
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}
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bool ResourceImporterDynamicFont::get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const {
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if (p_option == "msdf_pixel_range" && !bool(p_options["multichannel_signed_distance_field"])) {
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return false;
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}
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if (p_option == "msdf_size" && !bool(p_options["multichannel_signed_distance_field"])) {
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return false;
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}
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if (p_option == "oversampling" && bool(p_options["multichannel_signed_distance_field"])) {
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return false;
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}
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return true;
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}
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int ResourceImporterDynamicFont::get_preset_count() const {
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return PRESET_MAX;
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}
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String ResourceImporterDynamicFont::get_preset_name(int p_idx) const {
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switch (p_idx) {
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case PRESET_DYNAMIC:
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return TTR("Dynamically rendered TrueType/OpenType font");
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case PRESET_MSDF:
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return TTR("Prerendered multichannel(+true) signed distance field");
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default:
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return String();
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}
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}
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void ResourceImporterDynamicFont::get_import_options(List<ImportOption> *r_options, int p_preset) const {
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bool msdf = p_preset == PRESET_MSDF;
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r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "antialiased"), true));
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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));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "msdf_pixel_range", PROPERTY_HINT_RANGE, "1,100,1"), 8));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "msdf_size", PROPERTY_HINT_RANGE, "1,250,1"), 48));
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r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "force_autohinter"), false));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "hinting", PROPERTY_HINT_ENUM, "None,Light,Normal"), 1));
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r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "oversampling", PROPERTY_HINT_RANGE, "0,10,0.1"), 0.0));
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r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "compress"), true));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "preload/char_ranges"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "preload/glyph_ranges"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "preload/configurations"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "support_overrides/language_enabled"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "support_overrides/language_disabled"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "support_overrides/script_enabled"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "support_overrides/script_disabled"), Vector<String>()));
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}
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bool ResourceImporterDynamicFont::_decode_variation(const String &p_token, Dictionary &r_variations, Vector2i &r_size, String &r_name, Vector2i &r_spacing) {
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Vector<String> tokens = p_token.split("=");
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if (tokens.size() == 2) {
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if (tokens[0] == "name") {
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r_name = tokens[1];
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} else if (tokens[0] == "size") {
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r_size.x = tokens[1].to_int();
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} else if (tokens[0] == "outline_size") {
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r_size.y = tokens[1].to_int();
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} else if (tokens[0] == "spacing_space") {
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r_spacing.x = tokens[1].to_int();
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} else if (tokens[0] == "spacing_glyph") {
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r_spacing.y = tokens[1].to_int();
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} else {
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r_variations[tokens[0]] = tokens[1].to_float();
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}
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return true;
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} else {
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WARN_PRINT("Invalid variation: '" + p_token + "'.");
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return false;
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}
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}
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bool ResourceImporterDynamicFont::_decode_range(const String &p_token, int32_t &r_pos) {
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if (p_token.begins_with("U+") || p_token.begins_with("u+") || p_token.begins_with("0x")) {
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// Unicode character hex index.
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r_pos = p_token.substr(2).hex_to_int();
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return true;
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} else if (p_token.length() == 3 && p_token[0] == '\'' && p_token[2] == '\'') {
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// Unicode character.
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r_pos = p_token.unicode_at(1);
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return true;
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} else if (p_token.is_numeric()) {
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// Unicode character decimal index.
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r_pos = p_token.to_int();
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return true;
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} else {
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return false;
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}
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}
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bool ResourceImporterDynamicFont::has_advanced_options() const {
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return true;
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}
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void ResourceImporterDynamicFont::show_advanced_options(const String &p_path) {
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DynamicFontImportSettings::get_singleton()->open_settings(p_path);
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}
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Error ResourceImporterDynamicFont::import(const String &p_source_file, const String &p_save_path, const Map<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
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print_verbose("Importing dynamic font from: " + p_source_file);
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bool antialiased = p_options["antialiased"];
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bool msdf = p_options["multichannel_signed_distance_field"];
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int px_range = p_options["msdf_pixel_range"];
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int px_size = p_options["msdf_size"];
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bool autohinter = p_options["force_autohinter"];
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int hinting = p_options["hinting"];
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real_t oversampling = p_options["oversampling"];
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// Load base font data.
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Vector<uint8_t> data = FileAccess::get_file_as_array(p_source_file);
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// Create font.
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Ref<FontData> font;
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font.instantiate();
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font->set_data(data);
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font->set_antialiased(antialiased);
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font->set_multichannel_signed_distance_field(msdf);
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font->set_msdf_pixel_range(px_range);
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font->set_msdf_size(px_size);
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font->set_fixed_size(0);
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font->set_force_autohinter(autohinter);
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font->set_hinting((TextServer::Hinting)hinting);
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font->set_oversampling(oversampling);
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Vector<String> lang_en = p_options["support_overrides/language_enabled"];
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for (int i = 0; i < lang_en.size(); i++) {
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font->set_language_support_override(lang_en[i], true);
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}
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Vector<String> lang_dis = p_options["support_overrides/language_disabled"];
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for (int i = 0; i < lang_dis.size(); i++) {
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font->set_language_support_override(lang_dis[i], false);
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}
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Vector<String> scr_en = p_options["support_overrides/script_enabled"];
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for (int i = 0; i < scr_en.size(); i++) {
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font->set_script_support_override(scr_en[i], true);
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}
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Vector<String> scr_dis = p_options["support_overrides/script_disabled"];
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for (int i = 0; i < scr_dis.size(); i++) {
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font->set_script_support_override(scr_dis[i], false);
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}
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Vector<String> variations = p_options["preload/configurations"];
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Vector<String> char_ranges = p_options["preload/char_ranges"];
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Vector<String> gl_ranges = p_options["preload/glyph_ranges"];
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for (int i = 0; i < variations.size(); i++) {
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String name;
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Dictionary var;
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Vector2i size = Vector2(16, 0);
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Vector2i spacing;
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Vector<String> variation_tags = variations[i].split(",");
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for (int j = 0; j < variation_tags.size(); j++) {
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if (!_decode_variation(variation_tags[j], var, size, name, spacing)) {
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WARN_PRINT(vformat(TTR("Invalid variation: \"%s\""), variations[i]));
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continue;
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}
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}
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RID conf = font->find_cache(var);
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for (int j = 0; j < char_ranges.size(); j++) {
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int32_t start, end;
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Vector<String> tokens = char_ranges[j].split("-");
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if (tokens.size() == 2) {
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if (!_decode_range(tokens[0], start) || !_decode_range(tokens[1], end)) {
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WARN_PRINT(vformat(TTR("Invalid range: \"%s\""), char_ranges[j]));
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continue;
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}
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} else if (tokens.size() == 1) {
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if (!_decode_range(tokens[0], start)) {
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WARN_PRINT(vformat(TTR("Invalid range: \"%s\""), char_ranges[j]));
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continue;
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}
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end = start;
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} else {
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WARN_PRINT(vformat(TTR("Invalid range: \"%s\""), char_ranges[j]));
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continue;
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}
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// Preload character ranges for each variations / sizes.
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print_verbose(vformat(TTR("Pre-rendering range U+%s...%s from configuration \"%s\" (%d / %d)..."), String::num_int64(start, 16), String::num_int64(end, 16), name, i + 1, variations.size()));
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TS->font_render_range(conf, size, start, end);
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}
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for (int j = 0; j < gl_ranges.size(); j++) {
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int32_t start, end;
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Vector<String> tokens = gl_ranges[j].split("-");
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if (tokens.size() == 2) {
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if (!_decode_range(tokens[0], start) || !_decode_range(tokens[1], end)) {
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WARN_PRINT(vformat(TTR("Invalid range: \"%s\""), gl_ranges[j]));
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continue;
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}
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} else if (tokens.size() == 1) {
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if (!_decode_range(tokens[0], start)) {
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WARN_PRINT(vformat(TTR("Invalid range: \"%s\""), gl_ranges[j]));
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continue;
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}
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end = start;
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} else {
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WARN_PRINT(vformat(TTR("Invalid range: \"%s\""), gl_ranges[j]));
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continue;
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}
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// Preload glyph range for each variations / sizes.
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print_verbose(vformat(TTR("Pre-rendering glyph range 0x%s...%s from configuration \"%s\" (%d / %d)..."), String::num_int64(start, 16), String::num_int64(end, 16), name, i + 1, variations.size()));
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for (int32_t k = start; k <= end; k++) {
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TS->font_render_glyph(conf, size, k);
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}
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}
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TS->font_set_spacing(conf, size.x, TextServer::SPACING_SPACE, spacing.x);
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TS->font_set_spacing(conf, size.x, TextServer::SPACING_GLYPH, spacing.y);
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}
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int flg = ResourceSaver::SaverFlags::FLAG_BUNDLE_RESOURCES | ResourceSaver::FLAG_REPLACE_SUBRESOURCE_PATHS;
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if ((bool)p_options["compress"]) {
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flg |= ResourceSaver::SaverFlags::FLAG_COMPRESS;
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}
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print_verbose("Saving to: " + p_save_path + ".fontdata");
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Error err = ResourceSaver::save(p_save_path + ".fontdata", font, flg);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot save font to file \"" + p_save_path + ".res\".");
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print_verbose("Done saving to: " + p_save_path + ".fontdata");
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return OK;
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}
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ResourceImporterDynamicFont::ResourceImporterDynamicFont() {
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}
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