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/*************************************************************************/
/* resource_importer_imagefont.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "FontData";
}
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::INT, "font_size"), 14));
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"];
int base_size = p_options["font_size"];
Vector<String> ranges = p_options["character_ranges"];
Ref<FontData> font;
font.instantiate();
font->set_antialiased(false);
font->set_generate_mipmaps(false);
font->set_multichannel_signed_distance_field(false);
font->set_fixed_size(base_size);
font->set_subpixel_positioning(TextServer::SUBPIXEL_POSITIONING_DISABLED);
font->set_force_autohinter(false);
font->set_hinting(TextServer::HINTING_NONE);
font->set_oversampling(1.0f);
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 + "\".");
font->set_texture_image(0, Vector2i(base_size, 0), 0, img);
int count = columns * rows;
int chr_width = img->get_width() / columns;
int chr_height = img->get_height() / rows;
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++) {
int x = pos % columns;
int y = pos / columns;
font->set_glyph_advance(0, base_size, idx, Vector2(chr_width, 0));
font->set_glyph_offset(0, Vector2i(base_size, 0), idx, Vector2(0, -0.5 * chr_height));
font->set_glyph_size(0, Vector2i(base_size, 0), idx, Vector2(chr_width, chr_height));
font->set_glyph_uv_rect(0, Vector2i(base_size, 0), idx, Rect2(chr_width * x, chr_height * y, chr_width, chr_height));
font->set_glyph_texture_idx(0, Vector2i(base_size, 0), idx, 0);
pos++;
ERR_FAIL_COND_V_MSG(pos >= count, ERR_CANT_CREATE, "Too many characters in range.");
}
}
font->set_ascent(0, base_size, 0.5 * chr_height);
font->set_descent(0, base_size, 0.5 * chr_height);
int flg = ResourceSaver::SaverFlags::FLAG_BUNDLE_RESOURCES | ResourceSaver::FLAG_REPLACE_SUBRESOURCE_PATHS;
if ((bool)p_options["compress"]) {
flg |= ResourceSaver::SaverFlags::FLAG_COMPRESS;
}
print_verbose("Saving to: " + p_save_path + ".fontdata");
err = ResourceSaver::save(p_save_path + ".fontdata", font, 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() {
}
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