michael@0: // Pairs of mirrored characters from
michael@0: // http://www.unicode.org/Public/6.1.0/ucd/BidiMirroring.txt
michael@0: var mirrors = [
michael@0:   [0x0028, 0x0029],
michael@0:   [0x0029, 0x0028],
michael@0:   [0x003C, 0x003E],
michael@0:   [0x003E, 0x003C],
michael@0:   [0x005B, 0x005D],
michael@0:   [0x005D, 0x005B],
michael@0:   [0x007B, 0x007D],
michael@0:   [0x007D, 0x007B],
michael@0:   [0x00AB, 0x00BB],
michael@0:   [0x00BB, 0x00AB],
michael@0: // These four are disabled as on Mac earlier than 10.7, Tibetan characters will
michael@0: // not be used from the BitPattern.woff font due to lack of platform support.
michael@0: //
michael@0: //   [0x0F3A, 0x0F3B],
michael@0: //   [0x0F3B, 0x0F3A],
michael@0: //   [0x0F3C, 0x0F3D],
michael@0: //   [0x0F3D, 0x0F3C],
michael@0:   [0x169B, 0x169C],
michael@0:   [0x169C, 0x169B],
michael@0:   [0x2039, 0x203A],
michael@0:   [0x203A, 0x2039],
michael@0:   [0x2045, 0x2046],
michael@0:   [0x2046, 0x2045],
michael@0:   [0x207D, 0x207E],
michael@0:   [0x207E, 0x207D],
michael@0:   [0x208D, 0x208E],
michael@0:   [0x208E, 0x208D],
michael@0:   [0x2208, 0x220B],
michael@0:   [0x2209, 0x220C],
michael@0:   [0x220A, 0x220D],
michael@0:   [0x220B, 0x2208],
michael@0:   [0x220C, 0x2209],
michael@0:   [0x220D, 0x220A],
michael@0:   [0x2215, 0x29F5],
michael@0:   [0x223C, 0x223D],
michael@0:   [0x223D, 0x223C],
michael@0:   [0x2243, 0x22CD],
michael@0:   [0x2252, 0x2253],
michael@0:   [0x2253, 0x2252],
michael@0:   [0x2254, 0x2255],
michael@0:   [0x2255, 0x2254],
michael@0:   [0x2264, 0x2265],
michael@0:   [0x2265, 0x2264],
michael@0:   [0x2266, 0x2267],
michael@0:   [0x2267, 0x2266],
michael@0:   [0x2268, 0x2269],
michael@0:   [0x2269, 0x2268],
michael@0:   [0x226A, 0x226B],
michael@0:   [0x226B, 0x226A],
michael@0:   [0x226E, 0x226F],
michael@0:   [0x226F, 0x226E],
michael@0:   [0x2270, 0x2271],
michael@0:   [0x2271, 0x2270],
michael@0:   [0x2272, 0x2273],
michael@0:   [0x2273, 0x2272],
michael@0:   [0x2274, 0x2275],
michael@0:   [0x2275, 0x2274],
michael@0:   [0x2276, 0x2277],
michael@0:   [0x2277, 0x2276],
michael@0:   [0x2278, 0x2279],
michael@0:   [0x2279, 0x2278],
michael@0:   [0x227A, 0x227B],
michael@0:   [0x227B, 0x227A],
michael@0:   [0x227C, 0x227D],
michael@0:   [0x227D, 0x227C],
michael@0:   [0x227E, 0x227F],
michael@0:   [0x227F, 0x227E],
michael@0:   [0x2280, 0x2281],
michael@0:   [0x2281, 0x2280],
michael@0:   [0x2282, 0x2283],
michael@0:   [0x2283, 0x2282],
michael@0:   [0x2284, 0x2285],
michael@0:   [0x2285, 0x2284],
michael@0:   [0x2286, 0x2287],
michael@0:   [0x2287, 0x2286],
michael@0:   [0x2288, 0x2289],
michael@0:   [0x2289, 0x2288],
michael@0:   [0x228A, 0x228B],
michael@0:   [0x228B, 0x228A],
michael@0:   [0x228F, 0x2290],
michael@0:   [0x2290, 0x228F],
michael@0:   [0x2291, 0x2292],
michael@0:   [0x2292, 0x2291],
michael@0:   [0x2298, 0x29B8],
michael@0:   [0x22A2, 0x22A3],
michael@0:   [0x22A3, 0x22A2],
michael@0:   [0x22A6, 0x2ADE],
michael@0:   [0x22A8, 0x2AE4],
michael@0:   [0x22A9, 0x2AE3],
michael@0:   [0x22AB, 0x2AE5],
michael@0:   [0x22B0, 0x22B1],
michael@0:   [0x22B1, 0x22B0],
michael@0:   [0x22B2, 0x22B3],
michael@0:   [0x22B3, 0x22B2],
michael@0:   [0x22B4, 0x22B5],
michael@0:   [0x22B5, 0x22B4],
michael@0:   [0x22B6, 0x22B7],
michael@0:   [0x22B7, 0x22B6],
michael@0:   [0x22C9, 0x22CA],
michael@0:   [0x22CA, 0x22C9],
michael@0:   [0x22CB, 0x22CC],
michael@0:   [0x22CC, 0x22CB],
michael@0:   [0x22CD, 0x2243],
michael@0:   [0x22D0, 0x22D1],
michael@0:   [0x22D1, 0x22D0],
michael@0:   [0x22D6, 0x22D7],
michael@0:   [0x22D7, 0x22D6],
michael@0:   [0x22D8, 0x22D9],
michael@0:   [0x22D9, 0x22D8],
michael@0:   [0x22DA, 0x22DB],
michael@0:   [0x22DB, 0x22DA],
michael@0:   [0x22DC, 0x22DD],
michael@0:   [0x22DD, 0x22DC],
michael@0:   [0x22DE, 0x22DF],
michael@0:   [0x22DF, 0x22DE],
michael@0:   [0x22E0, 0x22E1],
michael@0:   [0x22E1, 0x22E0],
michael@0:   [0x22E2, 0x22E3],
michael@0:   [0x22E3, 0x22E2],
michael@0:   [0x22E4, 0x22E5],
michael@0:   [0x22E5, 0x22E4],
michael@0:   [0x22E6, 0x22E7],
michael@0:   [0x22E7, 0x22E6],
michael@0:   [0x22E8, 0x22E9],
michael@0:   [0x22E9, 0x22E8],
michael@0:   [0x22EA, 0x22EB],
michael@0:   [0x22EB, 0x22EA],
michael@0:   [0x22EC, 0x22ED],
michael@0:   [0x22ED, 0x22EC],
michael@0:   [0x22F0, 0x22F1],
michael@0:   [0x22F1, 0x22F0],
michael@0:   [0x22F2, 0x22FA],
michael@0:   [0x22F3, 0x22FB],
michael@0:   [0x22F4, 0x22FC],
michael@0:   [0x22F6, 0x22FD],
michael@0:   [0x22F7, 0x22FE],
michael@0:   [0x22FA, 0x22F2],
michael@0:   [0x22FB, 0x22F3],
michael@0:   [0x22FC, 0x22F4],
michael@0:   [0x22FD, 0x22F6],
michael@0:   [0x22FE, 0x22F7],
michael@0:   [0x2308, 0x2309],
michael@0:   [0x2309, 0x2308],
michael@0:   [0x230A, 0x230B],
michael@0:   [0x230B, 0x230A],
michael@0:   [0x2329, 0x232A],
michael@0:   [0x232A, 0x2329],
michael@0:   [0x2768, 0x2769],
michael@0:   [0x2769, 0x2768],
michael@0:   [0x276A, 0x276B],
michael@0:   [0x276B, 0x276A],
michael@0:   [0x276C, 0x276D],
michael@0:   [0x276D, 0x276C],
michael@0:   [0x276E, 0x276F],
michael@0:   [0x276F, 0x276E],
michael@0:   [0x2770, 0x2771],
michael@0:   [0x2771, 0x2770],
michael@0:   [0x2772, 0x2773],
michael@0:   [0x2773, 0x2772],
michael@0:   [0x2774, 0x2775],
michael@0:   [0x2775, 0x2774],
michael@0:   [0x27C3, 0x27C4],
michael@0:   [0x27C4, 0x27C3],
michael@0:   [0x27C5, 0x27C6],
michael@0:   [0x27C6, 0x27C5],
michael@0:   [0x27C8, 0x27C9],
michael@0:   [0x27C9, 0x27C8],
michael@0:   [0x27CB, 0x27CD],
michael@0:   [0x27CD, 0x27CB],
michael@0:   [0x27D5, 0x27D6],
michael@0:   [0x27D6, 0x27D5],
michael@0:   [0x27DD, 0x27DE],
michael@0:   [0x27DE, 0x27DD],
michael@0:   [0x27E2, 0x27E3],
michael@0:   [0x27E3, 0x27E2],
michael@0:   [0x27E4, 0x27E5],
michael@0:   [0x27E5, 0x27E4],
michael@0:   [0x27E6, 0x27E7],
michael@0:   [0x27E7, 0x27E6],
michael@0:   [0x27E8, 0x27E9],
michael@0:   [0x27E9, 0x27E8],
michael@0:   [0x27EA, 0x27EB],
michael@0:   [0x27EB, 0x27EA],
michael@0:   [0x27EC, 0x27ED],
michael@0:   [0x27ED, 0x27EC],
michael@0:   [0x27EE, 0x27EF],
michael@0:   [0x27EF, 0x27EE],
michael@0:   [0x2983, 0x2984],
michael@0:   [0x2984, 0x2983],
michael@0:   [0x2985, 0x2986],
michael@0:   [0x2986, 0x2985],
michael@0:   [0x2987, 0x2988],
michael@0:   [0x2988, 0x2987],
michael@0:   [0x2989, 0x298A],
michael@0:   [0x298A, 0x2989],
michael@0:   [0x298B, 0x298C],
michael@0:   [0x298C, 0x298B],
michael@0:   [0x298D, 0x2990],
michael@0:   [0x298E, 0x298F],
michael@0:   [0x298F, 0x298E],
michael@0:   [0x2990, 0x298D],
michael@0:   [0x2991, 0x2992],
michael@0:   [0x2992, 0x2991],
michael@0:   [0x2993, 0x2994],
michael@0:   [0x2994, 0x2993],
michael@0:   [0x2995, 0x2996],
michael@0:   [0x2996, 0x2995],
michael@0:   [0x2997, 0x2998],
michael@0:   [0x2998, 0x2997],
michael@0:   [0x29B8, 0x2298],
michael@0:   [0x29C0, 0x29C1],
michael@0:   [0x29C1, 0x29C0],
michael@0:   [0x29C4, 0x29C5],
michael@0:   [0x29C5, 0x29C4],
michael@0:   [0x29CF, 0x29D0],
michael@0:   [0x29D0, 0x29CF],
michael@0:   [0x29D1, 0x29D2],
michael@0:   [0x29D2, 0x29D1],
michael@0:   [0x29D4, 0x29D5],
michael@0:   [0x29D5, 0x29D4],
michael@0:   [0x29D8, 0x29D9],
michael@0:   [0x29D9, 0x29D8],
michael@0:   [0x29DA, 0x29DB],
michael@0:   [0x29DB, 0x29DA],
michael@0:   [0x29F5, 0x2215],
michael@0:   [0x29F8, 0x29F9],
michael@0:   [0x29F9, 0x29F8],
michael@0:   [0x29FC, 0x29FD],
michael@0:   [0x29FD, 0x29FC],
michael@0:   [0x2A2B, 0x2A2C],
michael@0:   [0x2A2C, 0x2A2B],
michael@0:   [0x2A2D, 0x2A2E],
michael@0:   [0x2A2E, 0x2A2D],
michael@0:   [0x2A34, 0x2A35],
michael@0:   [0x2A35, 0x2A34],
michael@0:   [0x2A3C, 0x2A3D],
michael@0:   [0x2A3D, 0x2A3C],
michael@0:   [0x2A64, 0x2A65],
michael@0:   [0x2A65, 0x2A64],
michael@0:   [0x2A79, 0x2A7A],
michael@0:   [0x2A7A, 0x2A79],
michael@0:   [0x2A7D, 0x2A7E],
michael@0:   [0x2A7E, 0x2A7D],
michael@0:   [0x2A7F, 0x2A80],
michael@0:   [0x2A80, 0x2A7F],
michael@0:   [0x2A81, 0x2A82],
michael@0:   [0x2A82, 0x2A81],
michael@0:   [0x2A83, 0x2A84],
michael@0:   [0x2A84, 0x2A83],
michael@0:   [0x2A8B, 0x2A8C],
michael@0:   [0x2A8C, 0x2A8B],
michael@0:   [0x2A91, 0x2A92],
michael@0:   [0x2A92, 0x2A91],
michael@0:   [0x2A93, 0x2A94],
michael@0:   [0x2A94, 0x2A93],
michael@0:   [0x2A95, 0x2A96],
michael@0:   [0x2A96, 0x2A95],
michael@0:   [0x2A97, 0x2A98],
michael@0:   [0x2A98, 0x2A97],
michael@0:   [0x2A99, 0x2A9A],
michael@0:   [0x2A9A, 0x2A99],
michael@0:   [0x2A9B, 0x2A9C],
michael@0:   [0x2A9C, 0x2A9B],
michael@0:   [0x2AA1, 0x2AA2],
michael@0:   [0x2AA2, 0x2AA1],
michael@0:   [0x2AA6, 0x2AA7],
michael@0:   [0x2AA7, 0x2AA6],
michael@0:   [0x2AA8, 0x2AA9],
michael@0:   [0x2AA9, 0x2AA8],
michael@0:   [0x2AAA, 0x2AAB],
michael@0:   [0x2AAB, 0x2AAA],
michael@0:   [0x2AAC, 0x2AAD],
michael@0:   [0x2AAD, 0x2AAC],
michael@0:   [0x2AAF, 0x2AB0],
michael@0:   [0x2AB0, 0x2AAF],
michael@0:   [0x2AB3, 0x2AB4],
michael@0:   [0x2AB4, 0x2AB3],
michael@0:   [0x2ABB, 0x2ABC],
michael@0:   [0x2ABC, 0x2ABB],
michael@0:   [0x2ABD, 0x2ABE],
michael@0:   [0x2ABE, 0x2ABD],
michael@0:   [0x2ABF, 0x2AC0],
michael@0:   [0x2AC0, 0x2ABF],
michael@0:   [0x2AC1, 0x2AC2],
michael@0:   [0x2AC2, 0x2AC1],
michael@0:   [0x2AC3, 0x2AC4],
michael@0:   [0x2AC4, 0x2AC3],
michael@0:   [0x2AC5, 0x2AC6],
michael@0:   [0x2AC6, 0x2AC5],
michael@0:   [0x2ACD, 0x2ACE],
michael@0:   [0x2ACE, 0x2ACD],
michael@0:   [0x2ACF, 0x2AD0],
michael@0:   [0x2AD0, 0x2ACF],
michael@0:   [0x2AD1, 0x2AD2],
michael@0:   [0x2AD2, 0x2AD1],
michael@0:   [0x2AD3, 0x2AD4],
michael@0:   [0x2AD4, 0x2AD3],
michael@0:   [0x2AD5, 0x2AD6],
michael@0:   [0x2AD6, 0x2AD5],
michael@0:   [0x2ADE, 0x22A6],
michael@0:   [0x2AE3, 0x22A9],
michael@0:   [0x2AE4, 0x22A8],
michael@0:   [0x2AE5, 0x22AB],
michael@0:   [0x2AEC, 0x2AED],
michael@0:   [0x2AED, 0x2AEC],
michael@0:   [0x2AF7, 0x2AF8],
michael@0:   [0x2AF8, 0x2AF7],
michael@0:   [0x2AF9, 0x2AFA],
michael@0:   [0x2AFA, 0x2AF9],
michael@0:   [0x2E02, 0x2E03],
michael@0:   [0x2E03, 0x2E02],
michael@0:   [0x2E04, 0x2E05],
michael@0:   [0x2E05, 0x2E04],
michael@0:   [0x2E09, 0x2E0A],
michael@0:   [0x2E0A, 0x2E09],
michael@0:   [0x2E0C, 0x2E0D],
michael@0:   [0x2E0D, 0x2E0C],
michael@0:   [0x2E1C, 0x2E1D],
michael@0:   [0x2E1D, 0x2E1C],
michael@0:   [0x2E20, 0x2E21],
michael@0:   [0x2E21, 0x2E20],
michael@0:   [0x2E22, 0x2E23],
michael@0:   [0x2E23, 0x2E22],
michael@0:   [0x2E24, 0x2E25],
michael@0:   [0x2E25, 0x2E24],
michael@0:   [0x2E26, 0x2E27],
michael@0:   [0x2E27, 0x2E26],
michael@0:   [0x2E28, 0x2E29],
michael@0:   [0x2E29, 0x2E28],
michael@0:   [0x3008, 0x3009],
michael@0:   [0x3009, 0x3008],
michael@0:   [0x300A, 0x300B],
michael@0:   [0x300B, 0x300A],
michael@0:   [0x300C, 0x300D],
michael@0:   [0x300D, 0x300C],
michael@0:   [0x300E, 0x300F],
michael@0:   [0x300F, 0x300E],
michael@0:   [0x3010, 0x3011],
michael@0:   [0x3011, 0x3010],
michael@0:   [0x3014, 0x3015],
michael@0:   [0x3015, 0x3014],
michael@0:   [0x3016, 0x3017],
michael@0:   [0x3017, 0x3016],
michael@0:   [0x3018, 0x3019],
michael@0:   [0x3019, 0x3018],
michael@0:   [0x301A, 0x301B],
michael@0:   [0x301B, 0x301A],
michael@0:   [0xFE59, 0xFE5A],
michael@0:   [0xFE5A, 0xFE59],
michael@0:   [0xFE5B, 0xFE5C],
michael@0:   [0xFE5C, 0xFE5B],
michael@0:   [0xFE5D, 0xFE5E],
michael@0:   [0xFE5E, 0xFE5D],
michael@0:   [0xFE64, 0xFE65],
michael@0:   [0xFE65, 0xFE64],
michael@0:   [0xFF08, 0xFF09],
michael@0:   [0xFF09, 0xFF08],
michael@0:   [0xFF1C, 0xFF1E],
michael@0:   [0xFF1E, 0xFF1C],
michael@0:   [0xFF3B, 0xFF3D],
michael@0:   [0xFF3D, 0xFF3B],
michael@0:   [0xFF5B, 0xFF5D],
michael@0:   [0xFF5D, 0xFF5B],
michael@0:   [0xFF5F, 0xFF60],
michael@0:   [0xFF60, 0xFF5F],
michael@0:   [0xFF62, 0xFF63],
michael@0:   [0xFF63, 0xFF62]
michael@0: ];
michael@0: 
michael@0: function show(attributes, text) {
michael@0:   var e = document.createElementNS("http://www.w3.org/2000/svg", "text");
michael@0:   for (var name in attributes) {
michael@0:     e.setAttribute(name, attributes[name]);
michael@0:   }
michael@0:   e.textContent = text;
michael@0:   document.documentElement.appendChild(e);
michael@0: }
michael@0: 
michael@0: function showCharacters(isReference) {
michael@0:   var row = 0, col = 0;
michael@0:   for (var i = 0; i < mirrors.length; i++) {
michael@0:     show({ x: col * 50 + 30,
michael@0:            y: row * 30 + 30,
michael@0:            direction: isReference ? "ltr" : "rtl",
michael@0:            "unicode-bidi": "embed",
michael@0:            "text-anchor": "middle",
michael@0:            "font-family": "BitPattern",
michael@0:            "font-size": "40px" },
michael@0:          String.fromCharCode(mirrors[i][isReference ? 0 : 1]));
michael@0:     if (++col == 16) {
michael@0:       col = 0;
michael@0:       row++;
michael@0:     }
michael@0:   }
michael@0:   document.documentElement.removeAttribute("class");
michael@0: }
michael@0: 
michael@0: function test() {
michael@0:   showCharacters(false);
michael@0: }
michael@0: 
michael@0: function reference() {
michael@0:   showCharacters(true);
michael@0: }