// Generated by CoffeeScript 1.7.1
(function() {
  var __hasProp = {}.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; };

  this.ImageTextModeADF = (function(_super) {
    var COLOR_INDEX;

    __extends(ImageTextModeADF, _super);

    COLOR_INDEX = [0, 1, 2, 3, 4, 5, 20, 7, 56, 57, 58, 59, 60, 61, 62, 63];

    function ImageTextModeADF(options) {
      var k, v;
      ImageTextModeADF.__super__.constructor.apply(this, arguments);
      this.header = {
        version: 0
      };
      for (k in options) {
        if (!__hasProp.call(options, k)) continue;
        v = options[k];
        this[k] = v;
      }
    }

    ImageTextModeADF.prototype.parse = function(content) {
      var attr, ch, i, x, y, _i, _ref;
      this.header.version = this.getByteAt(content, 0);
      this.parsePaletteData(content.substr(1, 192));
      this.parseFontData(content.substr(193, 4096));
      x = 0;
      y = 0;
      this.screen[y] = [];
      for (i = _i = 4289, _ref = content.length - 2; _i <= _ref; i = _i += 2) {
        ch = content.substr(i, 1);
        if (ch === "\x1a") {
          break;
        }
        attr = this.getByteAt(content, i + 1);
        this.screen[y][x] = {
          'ch': ch,
          'attr': attr
        };
        x++;
        if (x === 80) {
          x = 0;
          y++;
          this.screen[y] = [];
        }
      }
      if (this.screen[y].length === 0) {
        return this.screen.pop();
      }
    };

    ImageTextModeADF.prototype.parsePaletteData = function(data) {
      var b, colors, g, i, j, r, _i, _len;
      colors = [];
      for (_i = 0, _len = COLOR_INDEX.length; _i < _len; _i++) {
        i = COLOR_INDEX[_i];
        j = i * 3;
        r = this.getByteAt(data, j);
        r = r << 2 | r >> 4;
        g = this.getByteAt(data, j + 1);
        g = g << 2 | g >> 4;
        b = this.getByteAt(data, j + 2);
        b = b << 2 | b >> 4;
        colors.push([r, g, b]);
      }
      return this.palette = new ImageTextModePalette({
        colors: colors
      });
    };

    return ImageTextModeADF;

  })(this.ImageTextMode);

}).call(this);