746dddc067
* Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
165 lines
7.1 KiB
C++
165 lines
7.1 KiB
C++
/*************************************************************************/
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/* resource_importer_imagefont.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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_imagefont.h"
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#include "core/io/image_loader.h"
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#include "core/io/resource_saver.h"
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String ResourceImporterImageFont::get_importer_name() const {
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return "font_data_image";
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}
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String ResourceImporterImageFont::get_visible_name() const {
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return "Font Data (Monospace Image Font)";
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}
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void ResourceImporterImageFont::get_recognized_extensions(List<String> *p_extensions) const {
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if (p_extensions) {
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ImageLoader::get_recognized_extensions(p_extensions);
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}
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}
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String ResourceImporterImageFont::get_save_extension() const {
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return "fontdata";
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}
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String ResourceImporterImageFont::get_resource_type() const {
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return "FontData";
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}
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bool ResourceImporterImageFont::get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const {
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return true;
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}
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void ResourceImporterImageFont::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
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r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "character_ranges"), Vector<String>()));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "columns"), 1));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "rows"), 1));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "font_size"), 14));
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r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "compress"), true));
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}
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bool ResourceImporterImageFont::_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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Error ResourceImporterImageFont::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) {
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print_verbose("Importing image font from: " + p_source_file);
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int columns = p_options["columns"];
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int rows = p_options["rows"];
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int base_size = p_options["font_size"];
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Vector<String> ranges = p_options["character_ranges"];
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Ref<FontData> font;
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font.instantiate();
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font->set_antialiased(false);
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font->set_generate_mipmaps(false);
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font->set_multichannel_signed_distance_field(false);
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font->set_fixed_size(base_size);
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font->set_subpixel_positioning(TextServer::SUBPIXEL_POSITIONING_DISABLED);
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font->set_force_autohinter(false);
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font->set_hinting(TextServer::HINTING_NONE);
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font->set_oversampling(1.0f);
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Ref<Image> img;
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img.instantiate();
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Error err = ImageLoader::load_image(p_source_file, img);
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ERR_FAIL_COND_V_MSG(err != OK, ERR_FILE_CANT_READ, TTR("Can't load font texture: ") + "\"" + p_source_file + "\".");
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font->set_texture_image(0, Vector2i(base_size, 0), 0, img);
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int count = columns * rows;
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int chr_width = img->get_width() / columns;
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int chr_height = img->get_height() / rows;
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int pos = 0;
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for (int i = 0; i < ranges.size(); i++) {
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int32_t start, end;
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Vector<String> tokens = ranges[i].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("Invalid range: \"" + ranges[i] + "\"");
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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("Invalid range: \"" + ranges[i] + "\"");
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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("Invalid range: \"" + ranges[i] + "\"");
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continue;
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}
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for (int32_t idx = start; idx <= end; idx++) {
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int x = pos % columns;
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int y = pos / columns;
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font->set_glyph_advance(0, base_size, idx, Vector2(chr_width, 0));
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font->set_glyph_offset(0, Vector2i(base_size, 0), idx, Vector2(0, -0.5 * chr_height));
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font->set_glyph_size(0, Vector2i(base_size, 0), idx, Vector2(chr_width, chr_height));
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font->set_glyph_uv_rect(0, Vector2i(base_size, 0), idx, Rect2(chr_width * x, chr_height * y, chr_width, chr_height));
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font->set_glyph_texture_idx(0, Vector2i(base_size, 0), idx, 0);
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pos++;
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ERR_FAIL_COND_V_MSG(pos >= count, ERR_CANT_CREATE, "Too many characters in range.");
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}
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}
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font->set_ascent(0, base_size, 0.5 * chr_height);
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font->set_descent(0, base_size, 0.5 * chr_height);
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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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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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ResourceImporterImageFont::ResourceImporterImageFont() {
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}
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