/**
|
* @licstart The following is the entire license notice for the
|
* JavaScript code in this page
|
*
|
* Copyright 2022 Mozilla Foundation
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*
|
* @licend The above is the entire license notice for the
|
* JavaScript code in this page
|
*/
|
"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
value: true
|
});
|
exports.CFFFont = void 0;
|
|
var _cff_parser = require("./cff_parser.js");
|
|
var _fonts_utils = require("./fonts_utils.js");
|
|
var _util = require("../shared/util.js");
|
|
class CFFFont {
|
constructor(file, properties) {
|
this.properties = properties;
|
const parser = new _cff_parser.CFFParser(file, properties, _fonts_utils.SEAC_ANALYSIS_ENABLED);
|
this.cff = parser.parse();
|
this.cff.duplicateFirstGlyph();
|
const compiler = new _cff_parser.CFFCompiler(this.cff);
|
this.seacs = this.cff.seacs;
|
|
try {
|
this.data = compiler.compile();
|
} catch (e) {
|
(0, _util.warn)("Failed to compile font " + properties.loadedName);
|
this.data = file;
|
}
|
|
this._createBuiltInEncoding();
|
}
|
|
get numGlyphs() {
|
return this.cff.charStrings.count;
|
}
|
|
getCharset() {
|
return this.cff.charset.charset;
|
}
|
|
getGlyphMapping() {
|
const cff = this.cff;
|
const properties = this.properties;
|
const charsets = cff.charset.charset;
|
let charCodeToGlyphId;
|
let glyphId;
|
|
if (properties.composite) {
|
charCodeToGlyphId = Object.create(null);
|
let charCode;
|
|
if (cff.isCIDFont) {
|
for (glyphId = 0; glyphId < charsets.length; glyphId++) {
|
const cid = charsets[glyphId];
|
charCode = properties.cMap.charCodeOf(cid);
|
charCodeToGlyphId[charCode] = glyphId;
|
}
|
} else {
|
for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {
|
charCode = properties.cMap.charCodeOf(glyphId);
|
charCodeToGlyphId[charCode] = glyphId;
|
}
|
}
|
|
return charCodeToGlyphId;
|
}
|
|
let encoding = cff.encoding ? cff.encoding.encoding : null;
|
|
if (properties.isInternalFont) {
|
encoding = properties.defaultEncoding;
|
}
|
|
charCodeToGlyphId = (0, _fonts_utils.type1FontGlyphMapping)(properties, encoding, charsets);
|
return charCodeToGlyphId;
|
}
|
|
hasGlyphId(id) {
|
return this.cff.hasGlyphId(id);
|
}
|
|
_createBuiltInEncoding() {
|
const {
|
charset,
|
encoding
|
} = this.cff;
|
|
if (!charset || !encoding) {
|
return;
|
}
|
|
const charsets = charset.charset,
|
encodings = encoding.encoding;
|
const map = [];
|
|
for (const charCode in encodings) {
|
const glyphId = encodings[charCode];
|
|
if (glyphId >= 0) {
|
const glyphName = charsets[glyphId];
|
|
if (glyphName) {
|
map[charCode] = glyphName;
|
}
|
}
|
}
|
|
if (map.length > 0) {
|
this.properties.builtInEncoding = map;
|
}
|
}
|
|
}
|
|
exports.CFFFont = CFFFont;
|