var f; try { throw 1; } catch (aa) { window.O = window.O || {}; } var g = "ontouchstart" in window || "onmsgesturechange" in window; function m(a, b) { this.x = a; this.y = b; } function n(a, b) { return null != b && a.x == b.x && a.y == b.y; } function p(a, b) { return new m(a.x - b.x, a.y - b.y); } m.prototype.add = function(a) { return new m(this.x + a.x, this.y + a.y); }; m.prototype.clone = function() { return new m(this.x, this.y); }; m.prototype.length = function() { return Math.sqrt(this.x * this.x + this.y * this.y); }; m.prototype.scale = function(a) { return new m(this.x * a, this.y * a); }; function q(a, b) { this.v = Math.min(a.x, b.x); this.w = Math.min(a.y, b.y); this.I = Math.max(a.x, b.x); this.J = Math.max(a.y, b.y); } function r(a) { return new m(a.v, a.w); } q.prototype.contains = function(a) { return a.x >= this.v && a.x <= this.I && a.y >= this.w && a.y <= this.J; }; var s = new m(-1, 0), t = new m(1, 0), u = new m(0, -1), v = new m(0, 1), y = [s, t, u, v]; function ba() { this.g = this.value = null; } function z(a) { return null != a.g ? a.g : a.value; } function B(a) { return "+" == z(a); } function ca(a, b, c, d) { this.left = a; this.right = b; this.m = c; this.k = d; } function C(a) { return a.left + a.right + a.m + a.k; } function D(a, b) { this.position = a; this.value = b; } function da(a, b) { this.position = a; this.n = b; } ;function E(a) { this.state = a; this.canvas = document.getElementById("ascii-canvas"); this.context = this.canvas.getContext("2d"); this.zoom = 1; this.offset = new m(9E3, 5100); this.e = !0; this.A = !1; F(this); } function F(a) { a.canvas.width = document.documentElement.clientWidth; a.canvas.height = document.documentElement.clientHeight; a.e = !0; } E.prototype.animate = function() { if (this.e || this.state.e) { this.e = !1, this.state.e = !1, ea(this); } var a = this; window.requestAnimationFrame(function() { a.animate(); }); }; function ea(a) { var b = a.context; b.setTransform(1, 0, 0, 1, 0, 0); b.clearRect(0, 0, a.canvas.width, a.canvas.height); b.scale(a.zoom, a.zoom); b.translate(a.canvas.width / 2 / a.zoom, a.canvas.height / 2 / a.zoom); var c = p(G(a, new m(0, 0)), new m(3, 3)), d = G(a, new m(a.canvas.width, a.canvas.height)).add(new m(3, 3)); c.x = Math.max(0, Math.min(c.x, 2E3)); d.x = Math.max(0, Math.min(d.x, 2E3)); c.y = Math.max(0, Math.min(c.y, 600)); d.y = Math.max(0, Math.min(d.y, 600)); b.lineWidth = "1"; b.strokeStyle = "#EEEEEE"; b.beginPath(); for (var e = c.x;e < d.x;e++) { b.moveTo(9 * e - a.offset.x, 0 - a.offset.y), b.lineTo(9 * e - a.offset.x, 17 * a.state.cells.length - a.offset.y); } for (e = c.y;e < d.y;e++) { b.moveTo(0 - a.offset.x, 17 * e - a.offset.y), b.lineTo(9 * a.state.cells.length - a.offset.x, 17 * e - a.offset.y); } a.context.stroke(); e = !a.A; b.font = "15px Courier New"; for (var h = c.x;h < d.x;h++) { for (var l = c.y;l < d.y;l++) { var k = H(a.state, new m(h, l)); if (B(k) || null != k.g && " " != z(k)) { a.context.fillStyle = null != k.g ? 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"pointer" : "default"; }; f.f = function(a) { if (null != this.a && null != this.b && ("" != a && "" != a || ma(this), "" == a)) { var b = new Q(this.state); b.start(this.a); b.move(this.b); P(this.state); } "" == a && (oa(this, this.a), P(this.state)); }; function R() { this.cells = Array(2E3); this.i = []; this.e = !0; this.N = []; this.M = []; for (var a = 0;a < this.cells.length;a++) { this.cells[a] = Array(600); for (var b = 0;b < this.cells[a].length;b++) { this.cells[a][b] = new ba; } } } R.prototype.clear = function() { for (var a = 0;a < this.cells.length;a++) { for (var b = 0;b < this.cells[a].length;b++) { null != z(this.cells[a][b]) && K(this, new m(a, b), "\u2009"); } } P(this); }; function H(a, b) { return a.cells[b.x][b.y]; } function K(a, b, c) { var d = H(a, b); a.i.push(new da(b, d)); d.g = c; a.e = !0; } function J(a, b, c) { z(H(a, b)) != c && K(a, b, c); } function N(a) { for (var b in a.i) { a.i[b].n.g = null; } a.i.length = 0; } function fa(a, b) { var c = H(a, b), c = null != c.g ? c.g : c.value; if ("+" != c) { return c; } c = a.getContext(b); return c.left && c.right && !c.m && !c.k ? "\u2013" : !c.left && !c.right && c.m && c.k ? "|" : c.left && c.right && c.m && c.k ? "\u2013" : "+"; } R.prototype.getContext = function(a) { var b = B(H(this, a.add(s))), c = B(H(this, a.add(t))), d = B(H(this, a.add(u))); a = B(H(this, a.add(v))); return new ca(b, c, d, a); }; function P(a, b) { var c = [], d = a.i.map(function(a) { return a.position.x.toString() + a.position.y.toString(); }), e = a.i.filter(function(a, b) { return d.indexOf(d[b]) == b; }); a.i.length = 0; for (var h in e) { var l = e[h].n; c.push(new D(e[h].position, null != l.value ? l.value : " ")); var k = z(l); if ("\u2009" == k || " " == k) { k = null; } l.g = null; l.value = k; } e = b ? a.M : a.N; 0 < c.length && (50 < e.length && e.shift(), e.push(c)); a.e = !0; } function pa(a) { if (0 != a.N.length) { var b = a.N.pop(), c; for (c in b) { var d = b[c]; K(a, d.position, d.value); } P(a, !0); } } function qa(a) { if (0 != a.M.length) { var b = a.M.pop(), c; for (c in b) { var d = b[c]; K(a, d.position, d.value); } P(a); } } function S(a) { for (var b = new m(Number.MAX_VALUE, Number.MAX_VALUE), c = new m(-1, -1), d = 0;d < a.cells.length;d++) { for (var e = 0;e < a.cells[d].length;e++) { null != z(a.cells[d][e]) && (d < b.x && (b.x = d), e < b.y && (b.y = e), d > c.x && (c.x = d), e > c.y && (c.y = e)); } } if (0 > c.x) { return ""; } for (var h = "", e = b.y;e <= c.y;e++) { for (var l = "", d = b.x;d <= c.x;d++) { var k = fa(a, new m(d, e)), l = l + (null == k ? 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