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ass.js
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ass.js
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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.ASS = factory());
}(this, (function () { 'use strict';
function parseEffect(text) {
var param = text
.toLowerCase()
.trim()
.split(/\s*;\s*/);
if (param[0] === 'banner') {
return {
name: param[0],
delay: param[1] * 1 || 0,
leftToRight: param[2] * 1 || 0,
fadeAwayWidth: param[3] * 1 || 0,
};
}
if (/^scroll\s/.test(param[0])) {
return {
name: param[0],
y1: Math.min(param[1] * 1, param[2] * 1),
y2: Math.max(param[1] * 1, param[2] * 1),
delay: param[3] * 1 || 0,
fadeAwayHeight: param[4] * 1 || 0,
};
}
return null;
}
function parseDrawing(text) {
return text
.toLowerCase()
// numbers
.replace(/([+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?)/g, ' $1 ')
// commands
.replace(/([mnlbspc])/g, ' $1 ')
.trim()
.replace(/\s+/g, ' ')
.split(/\s(?=[mnlbspc])/)
.map(function (cmd) { return (
cmd.split(' ')
.filter(function (x, i) { return !(i && Number.isNaN(x * 1)); })
); });
}
var numTags = [
'b', 'i', 'u', 's', 'fsp',
'k', 'K', 'kf', 'ko', 'kt',
'fe', 'q', 'p', 'pbo', 'a', 'an',
'fscx', 'fscy', 'fax', 'fay', 'frx', 'fry', 'frz', 'fr',
'be', 'blur', 'bord', 'xbord', 'ybord', 'shad', 'xshad', 'yshad' ];
var numRegexs = numTags.map(function (nt) { return ({ name: nt, regex: new RegExp(("^" + nt + "-?\\d")) }); });
function parseTag(text) {
var assign;
var tag = {};
for (var i = 0; i < numRegexs.length; i++) {
var ref = numRegexs[i];
var name = ref.name;
var regex = ref.regex;
if (regex.test(text)) {
tag[name] = text.slice(name.length) * 1;
return tag;
}
}
if (/^fn/.test(text)) {
tag.fn = text.slice(2);
} else if (/^r/.test(text)) {
tag.r = text.slice(1);
} else if (/^fs[\d+-]/.test(text)) {
tag.fs = text.slice(2);
} else if (/^\d?c&?H?[0-9a-f]+|^\d?c$/i.test(text)) {
var ref$1 = text.match(/^(\d?)c&?H?(\w*)/);
var num = ref$1[1];
var color = ref$1[2];
tag[("c" + (num || 1))] = color && ("000000" + color).slice(-6);
} else if (/^\da&?H?[0-9a-f]+/i.test(text)) {
var ref$2 = text.match(/^(\d)a&?H?(\w\w)/);
var num$1 = ref$2[1];
var alpha = ref$2[2];
tag[("a" + num$1)] = alpha;
} else if (/^alpha&?H?[0-9a-f]+/i.test(text)) {
(assign = text.match(/^alpha&?H?([0-9a-f]+)/i), tag.alpha = assign[1]);
tag.alpha = ("00" + (tag.alpha)).slice(-2);
} else if (/^(?:pos|org|move|fad|fade)\(/.test(text)) {
var ref$3 = text.match(/^(\w+)\((.*?)\)?$/);
var key = ref$3[1];
var value = ref$3[2];
tag[key] = value
.trim()
.split(/\s*,\s*/)
.map(Number);
} else if (/^i?clip/.test(text)) {
var p = text
.match(/^i?clip\((.*?)\)?$/)[1]
.trim()
.split(/\s*,\s*/);
tag.clip = {
inverse: /iclip/.test(text),
scale: 1,
drawing: null,
dots: null,
};
if (p.length === 1) {
tag.clip.drawing = parseDrawing(p[0]);
}
if (p.length === 2) {
tag.clip.scale = p[0] * 1;
tag.clip.drawing = parseDrawing(p[1]);
}
if (p.length === 4) {
tag.clip.dots = p.map(Number);
}
} else if (/^t\(/.test(text)) {
var p$1 = text
.match(/^t\((.*?)\)?$/)[1]
.trim()
.replace(/\\.*/, function (x) { return x.replace(/,/g, '\n'); })
.split(/\s*,\s*/);
if (!p$1[0]) { return tag; }
tag.t = {
t1: 0,
t2: 0,
accel: 1,
tags: p$1[p$1.length - 1]
.replace(/\n/g, ',')
.split('\\')
.slice(1)
.map(parseTag),
};
if (p$1.length === 2) {
tag.t.accel = p$1[0] * 1;
}
if (p$1.length === 3) {
tag.t.t1 = p$1[0] * 1;
tag.t.t2 = p$1[1] * 1;
}
if (p$1.length === 4) {
tag.t.t1 = p$1[0] * 1;
tag.t.t2 = p$1[1] * 1;
tag.t.accel = p$1[2] * 1;
}
}
return tag;
}
function parseTags(text) {
var tags = [];
var depth = 0;
var str = '';
for (var i = 0; i < text.length; i++) {
var x = text[i];
if (x === '(') { depth++; }
if (x === ')') { depth--; }
if (depth < 0) { depth = 0; }
if (!depth && x === '\\') {
if (str) {
tags.push(str);
}
str = '';
} else {
str += x;
}
}
tags.push(str);
return tags.map(parseTag);
}
function parseText(text) {
var pairs = text.split(/{([^{}]*?)}/);
var parsed = [];
if (pairs[0].length) {
parsed.push({ tags: [], text: pairs[0], drawing: [] });
}
for (var i = 1; i < pairs.length; i += 2) {
var tags = parseTags(pairs[i]);
var isDrawing = tags.reduce(function (v, tag) { return (tag.p === undefined ? v : !!tag.p); }, false);
parsed.push({
tags: tags,
text: isDrawing ? '' : pairs[i + 1],
drawing: isDrawing ? parseDrawing(pairs[i + 1]) : [],
});
}
return {
raw: text,
combined: parsed.map(function (frag) { return frag.text; }).join(''),
parsed: parsed,
};
}
function parseTime(time) {
var t = time.split(':');
return t[0] * 3600 + t[1] * 60 + t[2] * 1;
}
function parseDialogue(text, format) {
var fields = text.split(',');
if (fields.length > format.length) {
var textField = fields.slice(format.length - 1).join();
fields = fields.slice(0, format.length - 1);
fields.push(textField);
}
var dia = {};
for (var i = 0; i < fields.length; i++) {
var fmt = format[i];
var fld = fields[i].trim();
switch (fmt) {
case 'Layer':
case 'MarginL':
case 'MarginR':
case 'MarginV':
dia[fmt] = fld * 1;
break;
case 'Start':
case 'End':
dia[fmt] = parseTime(fld);
break;
case 'Effect':
dia[fmt] = parseEffect(fld);
break;
case 'Text':
dia[fmt] = parseText(fld);
break;
default:
dia[fmt] = fld;
}
}
return dia;
}
function parseFormat(text) {
return text.match(/Format\s*:\s*(.*)/i)[1].split(/\s*,\s*/);
}
function parseStyle(text) {
return text.match(/Style\s*:\s*(.*)/i)[1].split(/\s*,\s*/);
}
function parse(text) {
var tree = {
info: {},
styles: { format: [], style: [] },
events: { format: [], comment: [], dialogue: [] },
};
var lines = text.split(/\r?\n/);
var state = 0;
for (var i = 0; i < lines.length; i++) {
var line = lines[i].trim();
if (/^;/.test(line)) { continue; }
if (/^\[Script Info\]/i.test(line)) { state = 1; }
else if (/^\[V4\+? Styles\]/i.test(line)) { state = 2; }
else if (/^\[Events\]/i.test(line)) { state = 3; }
else if (/^\[.*\]/.test(line)) { state = 0; }
if (state === 0) { continue; }
if (state === 1) {
if (/:/.test(line)) {
var ref = line.match(/(.*?)\s*:\s*(.*)/);
var key = ref[1];
var value = ref[2];
tree.info[key] = value;
}
}
if (state === 2) {
if (/^Format\s*:/i.test(line)) {
tree.styles.format = parseFormat(line);
}
if (/^Style\s*:/i.test(line)) {
tree.styles.style.push(parseStyle(line));
}
}
if (state === 3) {
if (/^Format\s*:/i.test(line)) {
tree.events.format = parseFormat(line);
}
if (/^(?:Comment|Dialogue)\s*:/i.test(line)) {
var ref$1 = line.match(/^(\w+?)\s*:\s*(.*)/i);
var key$1 = ref$1[1];
var value$1 = ref$1[2];
tree.events[key$1.toLowerCase()].push(parseDialogue(value$1, tree.events.format));
}
}
}
return tree;
}
var assign = Object.assign || (
/* istanbul ignore next */
function assign(target) {
var sources = [], len = arguments.length - 1;
while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];
for (var i = 0; i < sources.length; i++) {
if (!sources[i]) { continue; }
var keys = Object.keys(sources[i]);
for (var j = 0; j < keys.length; j++) {
// eslint-disable-next-line no-param-reassign
target[keys[j]] = sources[i][keys[j]];
}
}
return target;
}
);
function createCommand(arr) {
var cmd = {
type: null,
prev: null,
next: null,
points: [],
};
if (/[mnlbs]/.test(arr[0])) {
cmd.type = arr[0]
.toUpperCase()
.replace('N', 'L')
.replace('B', 'C');
}
for (var len = arr.length - !(arr.length & 1), i = 1; i < len; i += 2) {
cmd.points.push({ x: arr[i] * 1, y: arr[i + 1] * 1 });
}
return cmd;
}
function isValid(cmd) {
if (!cmd.points.length || !cmd.type) {
return false;
}
if (/C|S/.test(cmd.type) && cmd.points.length < 3) {
return false;
}
return true;
}
function getViewBox(commands) {
var ref;
var minX = Infinity;
var minY = Infinity;
var maxX = -Infinity;
var maxY = -Infinity;
(ref = []).concat.apply(ref, commands.map(function (ref) {
var points = ref.points;
return points;
})).forEach(function (ref) {
var x = ref.x;
var y = ref.y;
minX = Math.min(minX, x);
minY = Math.min(minY, y);
maxX = Math.max(maxX, x);
maxY = Math.max(maxY, y);
});
return {
minX: minX,
minY: minY,
width: maxX - minX,
height: maxY - minY,
};
}
/**
* Convert S command to B command
* Reference from https://github.com/d3/d3/blob/v3.5.17/src/svg/line.js#L259
* @param {Array} points points
* @param {String} prev type of previous command
* @param {String} next type of next command
* @return {Array} converted commands
*/
function s2b(points, prev, next) {
var results = [];
var bb1 = [0, 2 / 3, 1 / 3, 0];
var bb2 = [0, 1 / 3, 2 / 3, 0];
var bb3 = [0, 1 / 6, 2 / 3, 1 / 6];
var dot4 = function (a, b) { return (a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]); };
var px = [points[points.length - 1].x, points[0].x, points[1].x, points[2].x];
var py = [points[points.length - 1].y, points[0].y, points[1].y, points[2].y];
results.push({
type: prev === 'M' ? 'M' : 'L',
points: [{ x: dot4(bb3, px), y: dot4(bb3, py) }],
});
for (var i = 3; i < points.length; i++) {
px = [points[i - 3].x, points[i - 2].x, points[i - 1].x, points[i].x];
py = [points[i - 3].y, points[i - 2].y, points[i - 1].y, points[i].y];
results.push({
type: 'C',
points: [
{ x: dot4(bb1, px), y: dot4(bb1, py) },
{ x: dot4(bb2, px), y: dot4(bb2, py) },
{ x: dot4(bb3, px), y: dot4(bb3, py) } ],
});
}
if (next === 'L' || next === 'C') {
var last = points[points.length - 1];
results.push({ type: 'L', points: [{ x: last.x, y: last.y }] });
}
return results;
}
function toSVGPath(instructions) {
return instructions.map(function (ref) {
var type = ref.type;
var points = ref.points;
return (
type + points.map(function (ref) {
var x = ref.x;
var y = ref.y;
return (x + "," + y);
}).join(',')
);
}).join('');
}
function compileDrawing(rawCommands) {
var ref$1;
var commands = [];
var i = 0;
while (i < rawCommands.length) {
var arr = rawCommands[i];
var cmd = createCommand(arr);
if (isValid(cmd)) {
if (cmd.type === 'S') {
var ref = (commands[i - 1] || { points: [{ x: 0, y: 0 }] }).points.slice(-1)[0];
var x = ref.x;
var y = ref.y;
cmd.points.unshift({ x: x, y: y });
}
if (i) {
cmd.prev = commands[i - 1].type;
commands[i - 1].next = cmd.type;
}
commands.push(cmd);
i++;
} else {
if (i && commands[i - 1].type === 'S') {
var additionPoints = {
p: cmd.points,
c: commands[i - 1].points.slice(0, 3),
};
commands[i - 1].points = commands[i - 1].points.concat(
(additionPoints[arr[0]] || []).map(function (ref) {
var x = ref.x;
var y = ref.y;
return ({ x: x, y: y });
})
);
}
rawCommands.splice(i, 1);
}
}
var instructions = (ref$1 = []).concat.apply(
ref$1, commands.map(function (ref) {
var type = ref.type;
var points = ref.points;
var prev = ref.prev;
var next = ref.next;
return (
type === 'S'
? s2b(points, prev, next)
: { type: type, points: points }
);
})
);
return assign({ instructions: instructions, d: toSVGPath(instructions) }, getViewBox(commands));
}
var tTags = [
'fs', 'clip',
'c1', 'c2', 'c3', 'c4', 'a1', 'a2', 'a3', 'a4', 'alpha',
'fscx', 'fscy', 'fax', 'fay', 'frx', 'fry', 'frz', 'fr',
'be', 'blur', 'bord', 'xbord', 'ybord', 'shad', 'xshad', 'yshad' ];
function compileTag(tag, key, presets) {
var obj, obj$1, obj$2;
if ( presets === void 0 ) presets = {};
var value = tag[key];
if (value === undefined) {
return null;
}
if (key === 'pos' || key === 'org') {
return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj ) : null;
}
if (key === 'move') {
var x1 = value[0];
var y1 = value[1];
var x2 = value[2];
var y2 = value[3];
var t1 = value[4]; if ( t1 === void 0 ) t1 = 0;
var t2 = value[5]; if ( t2 === void 0 ) t2 = 0;
return value.length === 4 || value.length === 6
? { move: { x1: x1, y1: y1, x2: x2, y2: y2, t1: t1, t2: t2 } }
: null;
}
if (key === 'fad' || key === 'fade') {
if (value.length === 2) {
var t1$1 = value[0];
var t2$1 = value[1];
return { fade: { type: 'fad', t1: t1$1, t2: t2$1 } };
}
if (value.length === 7) {
var a1 = value[0];
var a2 = value[1];
var a3 = value[2];
var t1$2 = value[3];
var t2$2 = value[4];
var t3 = value[5];
var t4 = value[6];
return { fade: { type: 'fade', a1: a1, a2: a2, a3: a3, t1: t1$2, t2: t2$2, t3: t3, t4: t4 } };
}
return null;
}
if (key === 'clip') {
var inverse = value.inverse;
var scale = value.scale;
var drawing = value.drawing;
var dots = value.dots;
if (drawing) {
return { clip: { inverse: inverse, scale: scale, drawing: compileDrawing(drawing), dots: dots } };
}
if (dots) {
var x1$1 = dots[0];
var y1$1 = dots[1];
var x2$1 = dots[2];
var y2$1 = dots[3];
return { clip: { inverse: inverse, scale: scale, drawing: drawing, dots: { x1: x1$1, y1: y1$1, x2: x2$1, y2: y2$1 } } };
}
return null;
}
if (/^[xy]?(bord|shad)$/.test(key)) {
value = Math.max(value, 0);
}
if (key === 'bord') {
return { xbord: value, ybord: value };
}
if (key === 'shad') {
return { xshad: value, yshad: value };
}
if (/^c\d$/.test(key)) {
return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1 );
}
if (key === 'alpha') {
return { a1: value, a2: value, a3: value, a4: value };
}
if (key === 'fr') {
return { frz: value };
}
if (key === 'fs') {
return {
fs: /^\+|-/.test(value)
? (value * 1 > -10 ? (1 + value / 10) : 1) * presets.fs
: value * 1,
};
}
if (key === 't') {
var t1$3 = value.t1;
var accel = value.accel;
var tags = value.tags;
var t2$3 = value.t2 || (presets.end - presets.start) * 1e3;
var compiledTag = {};
tags.forEach(function (t) {
var k = Object.keys(t)[0];
if (~tTags.indexOf(k) && !(k === 'clip' && !t[k].dots)) {
assign(compiledTag, compileTag(t, k, presets));
}
});
return { t: { t1: t1$3, t2: t2$3, accel: accel, tag: compiledTag } };
}
return ( obj$2 = {}, obj$2[key] = value, obj$2 );
}
var a2an = [
null, 1, 2, 3,
null, 7, 8, 9,
null, 4, 5, 6 ];
var globalTags = ['r', 'a', 'an', 'pos', 'org', 'move', 'fade', 'fad', 'clip'];
function createSlice(name, styles) {
return {
name: name,
borderStyle: styles[name].style.BorderStyle,
tag: styles[name].tag,
fragments: [],
};
}
function compileText(ref) {
var styles = ref.styles;
var name = ref.name;
var parsed = ref.parsed;
var start = ref.start;
var end = ref.end;
var alignment;
var pos;
var org;
var move;
var fade;
var clip;
var slices = [];
var slice = createSlice(name, styles);
var prevTag = {};
for (var i = 0; i < parsed.length; i++) {
var ref$1 = parsed[i];
var tags = ref$1.tags;
var text = ref$1.text;
var drawing = ref$1.drawing;
var reset = (void 0);
for (var j = 0; j < tags.length; j++) {
var tag = tags[j];
reset = tag.r === undefined ? reset : tag.r;
}
var fragment = {
tag: reset === undefined ? JSON.parse(JSON.stringify(prevTag)) : {},
text: text,
drawing: drawing.length ? compileDrawing(drawing) : null,
};
for (var j$1 = 0; j$1 < tags.length; j$1++) {
var tag$1 = tags[j$1];
alignment = alignment || a2an[tag$1.a || 0] || tag$1.an;
pos = pos || compileTag(tag$1, 'pos');
org = org || compileTag(tag$1, 'org');
move = move || compileTag(tag$1, 'move');
fade = fade || compileTag(tag$1, 'fade') || compileTag(tag$1, 'fad');
clip = compileTag(tag$1, 'clip') || clip;
var key = Object.keys(tag$1)[0];
if (key && !~globalTags.indexOf(key)) {
var ref$2 = slice.tag;
var c1 = ref$2.c1;
var c2 = ref$2.c2;
var c3 = ref$2.c3;
var c4 = ref$2.c4;
var fs = prevTag.fs || slice.tag.fs;
var compiledTag = compileTag(tag$1, key, { start: start, end: end, c1: c1, c2: c2, c3: c3, c4: c4, fs: fs });
if (key === 't') {
fragment.tag.t = fragment.tag.t || [];
fragment.tag.t.push(compiledTag.t);
} else {
assign(fragment.tag, compiledTag);
}
}
}
prevTag = fragment.tag;
if (reset !== undefined) {
slices.push(slice);
slice = createSlice(styles[reset] ? reset : name, styles);
}
if (fragment.text || fragment.drawing) {
var prev = slice.fragments[slice.fragments.length - 1] || {};
if (prev.text && fragment.text && !Object.keys(fragment.tag).length) {
// merge fragment to previous if its tag is empty
prev.text += fragment.text;
} else {
slice.fragments.push(fragment);
}
}
}
slices.push(slice);
return assign({ alignment: alignment, slices: slices }, pos, org, move, fade, clip);
}
function compileDialogues(ref) {
var styles = ref.styles;
var dialogues = ref.dialogues;
var minLayer = Infinity;
var results = [];
for (var i = 0; i < dialogues.length; i++) {
var dia = dialogues[i];
if (dia.Start >= dia.End) {
continue;
}
if (!styles[dia.Style]) {
dia.Style = 'Default';
}
var stl = styles[dia.Style].style;
var compiledText = compileText({
styles: styles,
name: dia.Style,
parsed: dia.Text.parsed,
start: dia.Start,
end: dia.End,
});
var alignment = compiledText.alignment || stl.Alignment;
minLayer = Math.min(minLayer, dia.Layer);
results.push(assign({
layer: dia.Layer,
start: dia.Start,
end: dia.End,
// reset style by `\r` will not effect margin and alignment
margin: {
left: dia.MarginL || stl.MarginL,
right: dia.MarginR || stl.MarginR,
vertical: dia.MarginV || stl.MarginV,
},
effect: dia.Effect,
}, compiledText, { alignment: alignment }));
}
for (var i$1 = 0; i$1 < results.length; i$1++) {
results[i$1].layer -= minLayer;
}
return results.sort(function (a, b) { return a.start - b.start || a.end - b.end; });
}
// same as Aegisub
// https://github.com/Aegisub/Aegisub/blob/master/src/ass_style.h
var DEFAULT_STYLE = {
Name: 'Default',
Fontname: 'Arial',
Fontsize: '20',
PrimaryColour: '&H00FFFFFF&',
SecondaryColour: '&H000000FF&',
OutlineColour: '&H00000000&',
BackColour: '&H00000000&',
Bold: '0',
Italic: '0',
Underline: '0',
StrikeOut: '0',
ScaleX: '100',
ScaleY: '100',
Spacing: '0',
Angle: '0',
BorderStyle: '1',
Outline: '2',
Shadow: '2',
Alignment: '2',
MarginL: '10',
MarginR: '10',
MarginV: '10',
Encoding: '1',
};
/**
* @param {String} color
* @returns {Array} [AA, BBGGRR]
*/
function parseStyleColor(color) {
if (/^(&|H|&H)[0-9a-f]{6,}/i.test(color)) {
var ref = color.match(/&?H?([0-9a-f]{2})?([0-9a-f]{6})/i);
var a = ref[1];
var c = ref[2];
return [a || '00', c];
}
var num = parseInt(color, 10);
if (!Number.isNaN(num)) {
var min = -2147483648;
var max = 2147483647;
if (num < min) {
return ['00', '000000'];
}
var aabbggrr = (min <= num && num <= max)
? ("00000000" + ((num < 0 ? num + 4294967296 : num).toString(16))).slice(-8)
: String(num).slice(0, 8);
return [aabbggrr.slice(0, 2), aabbggrr.slice(2)];
}
return ['00', '000000'];
}
function compileStyles(ref) {
var info = ref.info;
var style = ref.style;
var format = ref.format;
var defaultStyle = ref.defaultStyle;
var result = {};
var styles = [
assign({}, DEFAULT_STYLE, defaultStyle, { Name: 'Default' }) ].concat( style.map(function (stl) {
var s = {};
for (var i = 0; i < format.length; i++) {
s[format[i]] = stl[i];
}
return s;
}) );
var loop = function ( i ) {
var s = styles[i];
// this behavior is same as Aegisub by black-box testing
if (/^(\*+)Default$/.test(s.Name)) {
s.Name = 'Default';
}
Object.keys(s).forEach(function (key) {
if (key !== 'Name' && key !== 'Fontname' && !/Colour/.test(key)) {
s[key] *= 1;
}
});
var ref$1 = parseStyleColor(s.PrimaryColour);
var a1 = ref$1[0];
var c1 = ref$1[1];
var ref$2 = parseStyleColor(s.SecondaryColour);
var a2 = ref$2[0];
var c2 = ref$2[1];
var ref$3 = parseStyleColor(s.OutlineColour);
var a3 = ref$3[0];
var c3 = ref$3[1];
var ref$4 = parseStyleColor(s.BackColour);
var a4 = ref$4[0];
var c4 = ref$4[1];
var tag = {
fn: s.Fontname,
fs: s.Fontsize,
c1: c1,
a1: a1,
c2: c2,
a2: a2,
c3: c3,
a3: a3,
c4: c4,
a4: a4,
b: Math.abs(s.Bold),
i: Math.abs(s.Italic),
u: Math.abs(s.Underline),
s: Math.abs(s.StrikeOut),
fscx: s.ScaleX,
fscy: s.ScaleY,
fsp: s.Spacing,
frz: s.Angle,
xbord: s.Outline,
ybord: s.Outline,
xshad: s.Shadow,
yshad: s.Shadow,
q: /^[0-3]$/.test(info.WrapStyle) ? info.WrapStyle * 1 : 2,
};
result[s.Name] = { style: s, tag: tag };
};
for (var i = 0; i < styles.length; i++) loop( i );
return result;
}
function compile(text, options) {
if ( options === void 0 ) options = {};
var tree = parse(text);
var styles = compileStyles({
info: tree.info,
style: tree.styles.style,
format: tree.styles.format,
defaultStyle: options.defaultStyle || {},
});
return {
info: tree.info,
width: tree.info.PlayResX * 1 || null,
height: tree.info.PlayResY * 1 || null,
collisions: tree.info.Collisions || 'Normal',
styles: styles,
dialogues: compileDialogues({
styles: styles,
dialogues: tree.events.dialogue,
}),
};
}
var raf = (
window.requestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.webkitRequestAnimationFrame
|| (function (cb) { return setTimeout(cb, 50 / 3); })
);
var caf = (
window.cancelAnimationFrame
|| window.mozCancelAnimationFrame
|| window.webkitCancelAnimationFrame
|| clearTimeout
);
function color2rgba(c) {
var t = c.match(/(\w\w)(\w\w)(\w\w)(\w\w)/);
var a = 1 - ("0x" + (t[1])) / 255;
var b = +("0x" + (t[2]));
var g = +("0x" + (t[3]));
var r = +("0x" + (t[4]));
return ("rgba(" + r + "," + g + "," + b + "," + a + ")");
}
function uuid() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
var r = Math.random() * 16 | 0;
var v = c === 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
function createSVGEl(name, attrs) {
if ( attrs === void 0 ) attrs = [];
var $el = document.createElementNS('http://www.w3.org/2000/svg', name);
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
$el.setAttributeNS(
attr[0] === 'xlink:href' ? 'http://www.w3.org/1999/xlink' : null,
attr[0],
attr[1]
);
}
return $el;
}
function getVendor(prop) {
var ref = document.body;
var style = ref.style;
var Prop = prop.replace(/^\w/, function (x) { return x.toUpperCase(); });
if (prop in style) { return ''; }
if (("webkit" + Prop) in style) { return '-webkit-'; }
if (("moz" + Prop) in style) { return '-moz-'; }
return '';
}
var vendor = {
transform: getVendor('transform'),
animation: getVendor('animation'),
clipPath: getVendor('clipPath'),
};
function getStyleRoot(container) {
var rootNode = container.getRootNode ? container.getRootNode() : document;
return rootNode === document ? rootNode.head : rootNode;
}
var strokeTags = ['c3', 'a3', 'c4', 'a4', 'xbord', 'ybord', 'xshad', 'yshad', 'blur', 'be'];
var transformTags = ['fscx', 'fscy', 'frx', 'fry', 'frz', 'fax', 'fay'];
function createClipPath(clip) {
var sw = this._.scriptRes.width;
var sh = this._.scriptRes.height;
var d = '';
if (clip.dots !== null) {
var ref = clip.dots;
var x1 = ref.x1;
var y1 = ref.y1;
var x2 = ref.x2;
var y2 = ref.y2;
x1 /= sw;
y1 /= sh;
x2 /= sw;
y2 /= sh;
d = "M" + x1 + "," + y1 + "L" + x1 + "," + y2 + "," + x2 + "," + y2 + "," + x2 + "," + y1 + "Z";
}
if (clip.drawing !== null) {
d = clip.drawing.instructions.map(function (ref) {
var type = ref.type;
var points = ref.points;
return (
type + points.map(function (ref) {
var x = ref.x;
var y = ref.y;
return ((x / sw) + "," + (y / sh));
}).join(',')
);
}).join('');
}
var scale = 1 / (1 << (clip.scale - 1));
if (clip.inverse) {
d += "M0,0L0," + scale + "," + scale + "," + scale + "," + scale + ",0,0,0Z";
}
var id = "ASS-" + (uuid());
var $clipPath = createSVGEl('clipPath', [
['id', id],
['clipPathUnits', 'objectBoundingBox'] ]);
$clipPath.appendChild(createSVGEl('path', [
['d', d],
['transform', ("scale(" + scale + ")")],
['clip-rule', 'evenodd'] ]));
this._.$defs.appendChild($clipPath);
return {
$clipPath: $clipPath,
cssText: ((vendor.clipPath) + "clip-path:url(#" + id + ");"),
};
}
function setClipPath(dialogue) {
if (!dialogue.clip) {
return;
}
var $fobb = document.createElement('div');
this._.$stage.insertBefore($fobb, dialogue.$div);
$fobb.appendChild(dialogue.$div);
$fobb.className = 'ASS-fix-objectBoundingBox';
var ref = createClipPath.call(this, dialogue.clip);
var cssText = ref.cssText;
var $clipPath = ref.$clipPath;
this._.$defs.appendChild($clipPath);