monospacecharwidth/test.html at master · yanlinsun/monospacecharwidth · GitHub

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<html>
    <head>
<style>
    body {
        font-family: monospace;
    }

    table {
        border-collapse: collapse;
    }

    td,th {
        padding: 3px;
    }

    table.char {
        font-size: 1.6em;
    }

    table.char th {
        background-color: #CCCCFF;
    }

    table.char td.section {
        text-align: left;
        height: 1.6em;
    }

    table.char td {
        text-align: center;
    }

    table.char td.u0000 {
        font-weight: bold;
    }

    span {
        cursor: default;
    }

    td.wide1 { background-color: #EFEFEF; }
    td.wide2 { background-color: #CFCFCF; }
    td.wide3 { background-color: #AFAFAF; }
    td.wide4 { background-color: #BFBFBF; }
    td.wide5 { background-color: #8F8F8F; }
    td.wide6 { background-color: #9F9F9F; }
    td.wide12 { background-color: #6F6F6F; color: #FFFFFF; }
    td.wide8 { background-color: #4F4F4F; color: #FFFFFF; }
    td.wide9 { background-color: #2F2F2F; color: #FFFFFF; }
    td.wide10 { background-color: #0E0E0E; color: #FFFFFF; }

    div#title {
        font-size: 2em;
        position: absolute;
        display: none;
        border: 1px solid #7F7F7F;
        background-color: lightyellow;
        padding: 3px;
    }
</style>
    </head>
    <body>
        <div id="idx">
        </div>
        <table id="char" class="char" border="1">
        </table>
        <div id="title"></div>
    </body>
    <script type="text/javascript">
        let title = document.getElementById("title");
        function entertd(e) {
            let cell = e.currentTarget;
            let span = cell.firstElementChild;
            let cr = cell.getBoundingClientRect();
            let sr = span.getBoundingClientRect();
            let cells = document.getElementById("char").getElementsByTagName("span");
            let w = cells[0].getBoundingClientRect().width;

            title.innerText =
                "Code Point: " + span.innerText.codePointAt(0) + "\n" +
                "Unicode: U+" + span.innerText.codePointAt(0).toString(16).toUpperCase().padStart(4, "0") + "\n" +
                "Char: " + span.innerText + "\n" +
                "Width: " + sr.width + "\n" +
                "Space: " + Math.round(sr.width / w);
            title.style.display = "block";
            let tr = title.getBoundingClientRect();

            title.style.left = cr.x + document.defaultView.scrollX;
            title.style.top = cr.y - tr.height + 1 + document.defaultView.scrollY;
        }

        function leavetd(e) {
            title.style.display = "none";
        }

        var m, m1, m2;

        function calculate() {
            let cells = document.getElementById("char").getElementsByTagName("span");
            let w = cells[0].getBoundingClientRect().width;
            let wn = cells[cells.length - 1].getBoundingClientRect().width;
            let wni = -1, cd = -1;
            m = new Map();
            for (let i = 0; i < cells.length; i++) {
                let wc = cells[i].getBoundingClientRect().width;
                let c = cells[i].innerText.codePointAt(0);
                let d = Math.round(wc / w);
                if (d > 1) {
                    cells[i].parentNode.classList.add("wide" + d);
                    if (m.has(d)) {
                        let a = m.get(d);
                        let aa = a[a.length - 1];
                        if (c > aa[1] + 1) {
                            if (d === cd && c === wni + 1) {
                                aa[1] = c;
                            } else {
                                a.push([c, c]);
                            }
                        } else {
                            aa[1] = c;
                        }
                    } else {
                        m.set(d, [[c, c]]);
                    }
                    wni = c;
                    cd = d;
                } else {
                    if (wc === wn && wni != -1) {
                        if (c === wni + 1) {
                            wni = c;
                        } else {
                            wni = -1;
                        }
                    } else {
                        wni = -1;
                    }
                }
            }

            m1 = new Map();
            m2 = new Map();
            for (let j of m.keys()) {
                let a = m.get(j);
                let a1 = [];
                let a2 = [];
                for (let i = 0; i < a.length; i++) {
                    if (a[i][0] === a[i][1]) {
                        a1.push(a[i][0]);
                    } else if (a[i][1] - a[i][0] < 6) {
                        let t = a[i][0];
                        do {
                            a1.push(t);
                        } while (t++ < a[i][1]);
                    } else {
                        a2.push(a[i]);
                    }
                }
                if (a1.length > 0) {
                    m1.set(j, a1);
                }
                if (a2.length > 0) {
                    m2.set(j, a2);
                }
            }

            let s = "";
            for (let j of m1.keys()) {
                s += "const W" + j + " = " + JSON.stringify(m1.get(j)) + ";\n";
            }
            let b = true;
            for (let j of m2.keys()) {
                let a = m2.get(j).sort((a, b) => b[1] - b[0] - a[1] + a[0]);
                s += "const R" + j + " = " + JSON.stringify(m2.get(j)) + ";\n";
            }
            let idx = document.getElementById("idx");
            idx.innerText = s;
            setTimeout(double_check, 100);
        }

        function double_check() {
            let cells = document.getElementById("char").getElementsByTagName("span");
            let aa = Array.from(m.values()).flat().sort((a, b) => a[0] - b[0]);
            let ci = 0;
            for (let i = 0; i < aa.length; i++) {
                let a = aa[i];
                for(; ci < cells.length; ci++) {
                    let span = cells[ci];
                    let c = span.innerText.codePointAt(0);
                    if (c >= a[0] && c <= a[1]) {
                        if (span.parentNode.classList.length === 0) {
                            span.parentNode.classList.add("wide10");
                        }
                        if (c === a[1]) {
                            break;
                        }
                    }
                }
            }
        }

        function fill() {
			const unicode = [
            [0x0000, 0x007F, '基本拉丁文	Basic Latin'],
			[0x0080, 0x00FF, '拉丁文-1补充	Latin-1 Supplement'],
			[0x0100, 0x017F, '拉丁文扩展-A	Latin Extended-A'],
			[0x0180, 0x024F, '拉丁文扩展-B	Latin Extended-B'],
			[0x0250, 0x02AF, '国际音标扩展	IPA Extensions'],
			[0x02B0, 0x02FF, '占位修饰符号	Spacing Modifier Letters'],
			[0x0300, 0x036F, '结合附加符号	Combining Diacritics Marks'],
			[0x0370, 0x03FF, '希腊字母及科普特字母	Greek and Coptic'],
			[0x0400, 0x04FF, '西里尔字母	Cyrillic'],
			[0x0500, 0x052F, '西里尔字母补充	Cyrillic Supplement'],
			[0x0530, 0x058F, '亚美尼亚字母	Armenian'],
			[0x0590, 0x05FF, '希伯来文	Hebrew'],
			[0x0600, 0x06FF, '阿拉伯文	Arabic'],
			[0x0700, 0x074F, '叙利亚文	Syriac'],
			[0x0750, 0x077F, '阿拉伯文补充	Arabic Supplement'],
			[0x0780, 0x07BF, '它拿字母	Thaana'],
			[0x07C0, 0x07FF, '西非书面文字	N\'Ko'],
			[0x0800, 0x083F, '撒玛利亚字母	Samaritan'],
			[0x0840, 0x085F, '曼达文字	Mandaic'],
			[0x0860, 0x086F, '叙利亚文补充	Syriac Supplement'],
			[0x08A0, 0x08FF, '阿拉伯文扩展-A	Arabic Extended-A'],
			[0x0900, 0x097F, '天城文	Devanagari'],
			[0x0980, 0x09FF, '孟加拉文	Bengali'],
			[0x0A00, 0x0A7F, '古木基文	Gurmukhi'],
			[0x0A80, 0x0AFF, '古吉拉特文	Gujarati'],
			[0x0B00, 0x0B7F, '奥里亚文	Oriya'],
			[0x0B80, 0x0BFF, '泰米尔文	Tamil'],
			[0x0C00, 0x0C7F, '泰卢固文	Telugu'],
			[0x0C80, 0x0CFF, '卡纳达文	Kannada'],
			[0x0D00, 0x0D7F, '马拉雅拉姆文	Malayalam'],
			[0x0D80, 0x0DFF, '僧伽罗文	Sinhala'],
			[0x0E00, 0x0E7F, '泰文	Thai'],
			[0x0E80, 0x0EFF, '老挝文	Lao'],
			[0x0F00, 0x0FFF, '藏文	Tibetan'],
			[0x1000, 0x109F, '缅甸文	Myanmar'],
			[0x10A0, 0x10FF, '格鲁吉亚字母	Georgian'],
			[0x1100, 0x11FF, '谚文字母	Hangul Jamo'],
			[0x1200, 0x137F, '吉兹字母	Ethiopic'],
			[0x1380, 0x139F, '吉兹字母补充	Ethiopic Supplement'],
			[0x13A0, 0x13FF, '切罗基字母	Cherokee'],
			[0x1400, 0x167F, '统一加拿大原住民音节文字	Unified Canadian Aboriginal Syllabics'],
			[0x1680, 0x169F, '欧甘字母	Ogham'],
			[0x16A0, 0x16FF, '卢恩字母	Runic'],
			[0x1700, 0x171F, '他加禄字母	Tagalog'],
			[0x1720, 0x173F, '哈努诺文	Hanunóo'],
			[0x1740, 0x175F, '布希德文	Buhid'],
			[0x1760, 0x177F, '塔格班瓦文	Tagbanwa'],
			[0x1780, 0x17FF, '高棉文	Khmer'],
			[0x1800, 0x18AF, '蒙古文	Mongolian'],
			[0x18B0, 0x18FF, '加拿大原住民音节文字扩展	Unified Canadian Aboriginal Syllabics Extended'],
			[0x1900, 0x194F, '林布文	Limbu'],
			[0x1950, 0x197F, '德宏傣文	Tai Le'],
			[0x1980, 0x19DF, '新傣仂文	New Tai Lue'],
			[0x19E0, 0x19FF, '高棉文符号	Khmer Symbols'],
			[0x1A00, 0x1A1F, '布吉文	Buginese'],
			[0x1A20, 0x1AAF, '老傣文	Tai Tham'],
			[0x1AB0, 0x1AFF, '组合变音标记扩展	Combining Diacritical Marks Extended'],
			[0x1B00, 0x1B7F, '巴厘字母	Balinese'],
			[0x1B80, 0x1BBF, '巽他字母	Sundanese'],
			[0x1BC0, 0x1BFF, '巴塔克文	Batak'],
			[0x1C00, 0x1C4F, '雷布查字母	Lepcha'],
			[0x1C50, 0x1C7F, '桑塔利文	Ol Chiki'],
			[0x1C80, 0x1C8F, '西里尔字母扩充-C	Cyrillic Extended-C'],
			[0x1C90, 0x1CBF, '格鲁吉亚字母扩展	Georgian Extended'],
			[0x1CC0, 0x1CCF, '巽他字母补充	Sudanese Supplement'],
			[0x1CD0, 0x1CFF, '梵文吠陀扩展	Vedic Extensions'],
			[0x1D00, 0x1D7F, '音标扩展	Phonetic Extensions'],
			[0x1D80, 0x1DBF, '音标扩展补充	Phonetic Extensions Supplement'],
			[0x1DC0, 0x1DFF, '结合附加符号补充	Combining Diacritics Marks Supplement'],
			[0x1E00, 0x1EFF, '拉丁文扩展附加	Latin Extended Additional'],
			[0x1F00, 0x1FFF, '希腊文扩展	Greek Extended'],
			[0x2000, 0x206F, '常用标点	General Punctuation'],
			[0x2070, 0x209F, '上标及下标	Superscripts and Subscripts'],
			[0x20A0, 0x20CF, '货币符号	Currency Symbols'],
			[0x20D0, 0x20FF, '组合用记号	Combining Diacritics Marks for Symbols'],
			[0x2100, 0x214F, '字母式符号	Letterlike Symbols'],
			[0x2150, 0x218F, '数字形式	Number Forms'],
			[0x2190, 0x21FF, '箭头	Arrows'],
			[0x2200, 0x22FF, '数学运算符	Mathematical Operators'],
			[0x2300, 0x23FF, '杂项工业符号	Miscellaneous Technical'],
			[0x2400, 0x243F, '控制图片	Control Pictures'],
			[0x2440, 0x245F, '光学识别符	Optical Character Recognition'],
			[0x2460, 0x24FF, '带圈字母和数字	Enclosed Alphanumerics'],
			[0x2500, 0x257F, '制表符	Box Drawing'],
			[0x2580, 0x259F, '方块元素	Block Elements'],
			[0x25A0, 0x25FF, '几何图形	Geometric Shapes'],
			[0x2600, 0x26FF, '杂项符号	Miscellaneous Symbols'],
			[0x2700, 0x27BF, '装饰符号	Dingbats'],
			[0x27C0, 0x27EF, '杂项数学符号-A	Miscellaneous Mathematical Symbols-A'],
			[0x27F0, 0x27FF, '追加箭头-A	Supplemental Arrows-A'],
			[0x2800, 0x28FF, '盲文点字模型	Braille Patterns'],
			[0x2900, 0x297F, '追加箭头-B	Supplemental Arrows-B'],
			[0x2980, 0x29FF, '杂项数学符号-B	Miscellaneous Mathematical Symbols-B'],
			[0x2A00, 0x2AFF, '追加数学运算符	Supplemental Mathematical Operator'],
			[0x2B00, 0x2BFF, '杂项符号和箭头	Miscellaneous Symbols and Arrows'],
			[0x2C00, 0x2C5F, '格拉哥里字母	Glagolitic'],
			[0x2C60, 0x2C7F, '拉丁文扩展-C	Latin Extended-C'],
			[0x2C80, 0x2CFF, '科普特字母	Coptic'],
			[0x2D00, 0x2D2F, '格鲁吉亚字母补充	Georgian Supplement'],
			[0x2D30, 0x2D7F, '提非纳文	Tifinagh'],
			[0x2D80, 0x2DDF, '吉兹字母扩展	Ethiopic Extended'],
			[0x2DE0, 0x2DFF, '西里尔字母扩展-A	Cyrillic Extended-A'],
			[0x2E00, 0x2E7F, '追加标点	Supplemental Punctuation'],
			[0x2E80, 0x2EFF, '中日韩汉字部首补充	CJK Radicals Supplement'],
			[0x2F00, 0x2FDF, '康熙部首	Kangxi Radicals'],
			[0x2FF0, 0x2FFF, '表意文字序列	Ideographic Description Characters'],
			[0x3000, 0x303F, '中日韩符号和标点	CJK Symbols and Punctuation'],
			[0x3040, 0x309F, '日文平假名	Hiragana'],
			[0x30A0, 0x30FF, '日文片假名	Katakana'],
			[0x3100, 0x312F, '注音符号	Bopomofo'],
			[0x3130, 0x318F, '谚文兼容字母	Hangul Compatibility Jamo'],
			[0x3190, 0x319F, '汉文注释标志	Kanbun'],
			[0x31A0, 0x31BF, '注音字母扩展	Bopomofo Extended'],
			[0x31C0, 0x31EF, '中日韩笔画	CJK Strokes'],
			[0x31F0, 0x31FF, '日文片假名拼音扩展	Katakana Phonetic Extensions'],
			[0x3200, 0x32FF, '带圈的CJK字符及月份	Enclosed CJK Letters and Months'],
			[0x3300, 0x33FF, '中日韩兼容字符	CJK Compatibility'],
			[0x3400, 0x4DBF, '中日韩统一表意文字扩展区A	CJK Unified Ideographs Extension A'],
			[0x4DC0, 0x4DFF, '易经六十四卦符号	Yijing Hexagrams Symbols'],
			[0x4E00, 0x9FFF, '中日韩统一表意文字	CJK Unified Ideographs'],
			[0xA000, 0xA48F, '彝文音节	Yi Syllables'],
			[0xA490, 0xA4CF, '彝文字根	Yi Radicals'],
			[0xA4D0, 0xA4FF, '老傈僳文	Lisu'],
			[0xA500, 0xA63F, '瓦伊语	Vai'],
			[0xA640, 0xA69F, '西里尔字母扩展-B	Cyrillic Extended-B'],
			[0xA6A0, 0xA6FF, '巴姆穆文字	Bamum'],
			[0xA700, 0xA71F, '修饰用声调符号	Modifier Tone Letters'],
			[0xA720, 0xA7FF, '拉丁文扩展-D	Latin Extended-D'],
			[0xA800, 0xA82F, '锡尔赫特文	Syloti Nagri'],
			[0xA830, 0xA83F, '通用印度数字格式	Common Indic Number Forms'],
			[0xA840, 0xA87F, '八思巴字	Phags-pa'],
			[0xA880, 0xA8DF, '索拉什特拉文	Saurashtra'],
			[0xA8E0, 0xA8FF, '天城文扩展	Devanagari Extended'],
			[0xA900, 0xA92F, '克耶里字母	Kayah Li'],
			[0xA930, 0xA95F, '勒姜字母	Rejang'],
			[0xA960, 0xA97F, '谚文扩展-A	Hangul Jamo Extended-A'],
			[0xA980, 0xA9DF, '爪哇字母	Javanese'],
			[0xA9E0, 0xA9FF, '缅甸文扩展-B	Myanmar Extended-B'],
			[0xAA00, 0xAA5F, '占语字母	Cham'],
			[0xAA60, 0xAA7F, '缅甸文扩展-A	Myanmar Extended-A'],
			[0xAA80, 0xAADF, '越南傣文	Tai Viet'],
			[0xAAE0, 0xAAFF, '曼尼普尔文扩展	Meetei Mayek Extensions'],
			[0xAB00, 0xAB2F, '吉兹字母扩展-A	Ethiopic Extended-A'],
			[0xAB30, 0xAB6F, '拉丁文扩展-E	Latin Extended-E'],
			[0xAB70, 0xABBF, '切罗基语补充	Cherokee Supplement'],
			[0xABC0, 0xABFF, '曼尼普尔文	Meetei Mayek'],
			[0xAC00, 0xD7AF, '谚文音节	Hangul Syllables'],
			[0xD7B0, 0xD7FF, '谚文字母扩展-B	Hangul Jamo Extended-B'],
			[0xD800, 0xDBFF, 'UTF-16的高半区	High-half zone of UTF-16'],
			[0xDC00, 0xDFFF, 'UTF-16的低半区	Low-half zone of UTF-16'],
			[0xE000, 0xF8FF, '私用区	Private Use Area'],
			[0xF900, 0xFAFF, '中日韩兼容表意文字	CJK Compatibility Ideographs'],
			[0xFB00, 0xFB4F, '字母表达形式（拉丁字母连字、亚美尼亚字母连字、希伯来文表现形式）	Alphabetic Presentation Forms'],
			[0xFB50, 0xFDFF, '阿拉伯字母表达形式-A	Arabic Presentation Forms A'],
			[0xFE00, 0xFE0F, '异体字选择器	Variation Selector'],
			[0xFE10, 0xFE1F, '竖排形式	Vertical Forms'],
			[0xFE20, 0xFE2F, '组合用半符号	Combining Half Marks'],
			[0xFE30, 0xFE4F, '中日韩兼容形式	CJK Compatibility Forms'],
			[0xFE50, 0xFE6F, '小写变体形式	Small Form Variants'],
			[0xFE70, 0xFEFF, '阿拉伯文表达形式-B	Arabic Presentation Forms B'],
			[0xFF00, 0xFFEF, '半角及全角字符	Halfwidth and Fullwidth Forms'],
			[0xFFF0, 0xFFFF, '特殊字符区	Specials']
            ];
            let tchar = document.getElementById("char");
            let row = null, cell = null;
            for (let i in unicode) {
                row = tchar.insertRow();
                cell = row.insertCell();
                cell.classList.add("section");
                cell.setAttribute("colspan", "17");
                row.appendChild(cell);
                cell.innerText = unicode[i][2];
                row = tchar.insertRow();
                cell = document.createElement("TH");
                row.appendChild(cell);
                cell.innerText = "U+";
                for (let j = 0; j < 16; j++) {
                    cell = document.createElement("TH");
                    row.appendChild(cell);
                    cell.innerText = j.toString(16).toUpperCase();
                }
                for (let codePoint = unicode[i][0]; codePoint <= unicode[i][1]; codePoint++) {
                    if (codePoint % 16 === 0) {
                        row = tchar.insertRow();
                        cell = row.insertCell();
                        cell.innerText = codePoint.toString(16).toUpperCase().padStart(4, '0');
                        cell.classList.add("u0000");
                    }
                    cell = row.insertCell();
                    let span = document.createElement("span");
                    cell.appendChild(span);
                    cell.onmouseenter = entertd;
                    cell.onmouseleave = leavetd;
                    span.innerText = String.fromCodePoint(codePoint);
                }
                row = tchar.insertRow();
                cell = row.insertCell();
                cell.classList.add("section");
                cell.setAttribute("colspan", "17");
                row.appendChild(cell);
            }
            setTimeout(calculate, 100);
        }

        fill();
    </script>
</html>