pdfkit/js/font/tables/os2.js

A PDF generation library for Node.js

(function() {
  var OS2Table, Table;
  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };

  Table = require('../table');

  OS2Table = (function() {

    __extends(OS2Table, Table);

    function OS2Table() {
      this.tag = 'OS/2';
      OS2Table.__super__.constructor.apply(this, arguments);
    }

    OS2Table.prototype.parse = function(data) {
      var i;
      data.pos = this.offset;
      this.version = data.readUInt16();
      this.averageCharWidth = data.readShort();
      this.weightClass = data.readUInt16();
      this.widthClass = data.readUInt16();
      this.type = data.readShort();
      this.ySubscriptXSize = data.readShort();
      this.ySubscriptYSize = data.readShort();
      this.ySubscriptXOffset = data.readShort();
      this.ySubscriptYOffset = data.readShort();
      this.ySuperscriptXSize = data.readShort();
      this.ySuperscriptYSize = data.readShort();
      this.ySuperscriptXOffset = data.readShort();
      this.ySuperscriptYOffset = data.readShort();
      this.yStrikeoutSize = data.readShort();
      this.yStrikeoutPosition = data.readShort();
      this.familyClass = data.readShort();
      this.panose = (function() {
        var _results;
        _results = [];
        for (i = 0; i < 10; i++) {
          _results.push(data.readByte());
        }
        return _results;
      })();
      this.charRange = (function() {
        var _results;
        _results = [];
        for (i = 0; i < 4; i++) {
          _results.push(data.readInt());
        }
        return _results;
      })();
      this.vendorID = data.readString(4);
      this.selection = data.readShort();
      this.firstCharIndex = data.readShort();
      this.lastCharIndex = data.readShort();
      if (this.version > 0) {
        this.ascent = data.readShort();
        this.descent = data.readShort();
        this.lineGap = data.readShort();
        this.winAscent = data.readShort();
        this.winDescent = data.readShort();
        this.codePageRange = (function() {
          var _results;
          _results = [];
          for (i = 0; i < 2; i++) {
            _results.push(data.readInt());
          }
          return _results;
        })();
        if (this.version > 1) {
          this.xHeight = data.readShort();
          this.capHeight = data.readShort();
          this.defaultChar = data.readShort();
          this.breakChar = data.readShort();
          return this.maxContext = data.readShort();
        }
      }
    };

    OS2Table.prototype.encode = function() {
      return this.raw();
    };

    return OS2Table;

  })();

  module.exports = OS2Table;

}).call(this);