/**************************************************************************/ /* resource_importer_imagefont.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 "resource_importer_imagefont.h" #include "core/io/image_loader.h" #include "core/io/resource_saver.h" String ResourceImporterImageFont::get_importer_name() const { return "font_data_image"; } String ResourceImporterImageFont::get_visible_name() const { return "Font Data (Monospace Image Font)"; } void ResourceImporterImageFont::get_recognized_extensions(List<String> *p_extensions) const { if (p_extensions) { ImageLoader::get_recognized_extensions(p_extensions); } } String ResourceImporterImageFont::get_save_extension() const { return "fontdata"; } String ResourceImporterImageFont::get_resource_type() const { return "FontFile"; } bool ResourceImporterImageFont::get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const { return true; } void ResourceImporterImageFont::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const { r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "character_ranges"), Vector<String>())); r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "columns"), 1)); r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "rows"), 1)); r_options->push_back(ImportOption(PropertyInfo(Variant::RECT2I, "image_margin"), Rect2i())); r_options->push_back(ImportOption(PropertyInfo(Variant::RECT2I, "character_margin"), Rect2i())); 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::BOOL, "compress"), true)); } bool ResourceImporterImageFont::_decode_range(const String &p_token, int32_t &r_pos) { if (p_token.begins_with("U+") || p_token.begins_with("u+") || p_token.begins_with("0x")) { // Unicode character hex index. r_pos = p_token.substr(2).hex_to_int(); return true; } else if (p_token.length() == 3 && p_token[0] == '\'' && p_token[2] == '\'') { // Unicode character. r_pos = p_token.unicode_at(1); return true; } else if (p_token.is_numeric()) { // Unicode character decimal index. r_pos = p_token.to_int(); return true; } else { return false; } } 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) { print_verbose("Importing image font from: " + p_source_file); int columns = p_options["columns"]; int rows = p_options["rows"]; Vector<String> ranges = p_options["character_ranges"]; Array fallbacks = p_options["fallbacks"]; Rect2i img_margin = p_options["image_margin"]; Rect2i char_margin = p_options["character_margin"]; Ref<Image> img; img.instantiate(); Error err = ImageLoader::load_image(p_source_file, img); ERR_FAIL_COND_V_MSG(err != OK, ERR_FILE_CANT_READ, TTR("Can't load font texture:") + " \"" + p_source_file + "\"."); int count = columns * rows; int chr_cell_width = (img->get_width() - img_margin.position.x - img_margin.size.x) / columns; int chr_cell_height = (img->get_height() - img_margin.position.y - img_margin.size.y) / rows; ERR_FAIL_COND_V_MSG(chr_cell_width <= 0 || chr_cell_height <= 0, ERR_FILE_CANT_READ, TTR("Image margin too big.")); int chr_width = chr_cell_width - char_margin.position.x - char_margin.size.x; int chr_height = chr_cell_height - char_margin.position.y - char_margin.size.y; ERR_FAIL_COND_V_MSG(chr_width <= 0 || chr_height <= 0, ERR_FILE_CANT_READ, TTR("Character margin too bit.")); Ref<FontFile> font; font.instantiate(); font->set_antialiasing(TextServer::FONT_ANTIALIASING_NONE); font->set_generate_mipmaps(false); font->set_multichannel_signed_distance_field(false); font->set_fixed_size(chr_height); font->set_subpixel_positioning(TextServer::SUBPIXEL_POSITIONING_DISABLED); font->set_force_autohinter(false); font->set_allow_system_fallback(false); font->set_hinting(TextServer::HINTING_NONE); font->set_oversampling(1.0f); font->set_fallbacks(fallbacks); font->set_texture_image(0, Vector2i(chr_height, 0), 0, img); int pos = 0; for (int i = 0; i < ranges.size(); i++) { int32_t start, end; Vector<String> tokens = ranges[i].split("-"); if (tokens.size() == 2) { if (!_decode_range(tokens[0], start) || !_decode_range(tokens[1], end)) { WARN_PRINT("Invalid range: \"" + ranges[i] + "\""); continue; } } else if (tokens.size() == 1) { if (!_decode_range(tokens[0], start)) { WARN_PRINT("Invalid range: \"" + ranges[i] + "\""); continue; } end = start; } else { WARN_PRINT("Invalid range: \"" + ranges[i] + "\""); continue; } for (int32_t idx = start; idx <= end; idx++) { ERR_FAIL_COND_V_MSG(pos >= count, ERR_CANT_CREATE, "Too many characters in range, should be " + itos(columns * rows)); int x = pos % columns; int y = pos / columns; font->set_glyph_advance(0, chr_height, idx, Vector2(chr_width, 0)); font->set_glyph_offset(0, Vector2i(chr_height, 0), idx, Vector2(0, -0.5 * chr_height)); font->set_glyph_size(0, Vector2i(chr_height, 0), idx, Vector2(chr_width, chr_height)); font->set_glyph_uv_rect(0, Vector2i(chr_height, 0), idx, Rect2(img_margin.position.x + chr_cell_width * x + char_margin.position.x, img_margin.position.y + chr_cell_height * y + char_margin.position.y, chr_width, chr_height)); font->set_glyph_texture_idx(0, Vector2i(chr_height, 0), idx, 0); pos++; } } font->set_cache_ascent(0, chr_height, 0.5 * chr_height); font->set_cache_descent(0, chr_height, 0.5 * chr_height); int flg = 0; if ((bool)p_options["compress"]) { flg |= ResourceSaver::SaverFlags::FLAG_COMPRESS; } print_verbose("Saving to: " + p_save_path + ".fontdata"); 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; } ResourceImporterImageFont::ResourceImporterImageFont() { }