swOperation/node_modules/@antv/path-util/lib/path-2-curve.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var path_2_absolute_1 = require("./path-2-absolute");
var segment_2_cubic_1 = require("./process/segment-2-cubic");
function pathToCurve(path, needZCommandIndexes) {
    if (needZCommandIndexes === void 0) { needZCommandIndexes = false; }
    var pathArray = path_2_absolute_1.default(path);
    var params = {
        x1: 0, y1: 0, x2: 0, y2: 0, x: 0, y: 0, qx: null, qy: null,
    };
    var allPathCommands = [];
    var pathCommand = '';
    var ii = pathArray.length;
    var segment;
    var seglen;
    var zCommandIndexes = [];
    for (var i = 0; i < ii; i += 1) {
        if (pathArray[i])
            pathCommand = pathArray[i][0];
        allPathCommands[i] = pathCommand;
        pathArray[i] = segment_2_cubic_1.segmentToCubic(pathArray[i], params);
        fixArc(pathArray, allPathCommands, i);
        ii = pathArray.length; // solves curveArrays ending in Z
        // keep Z command account for lineJoin
        // @see https://github.com/antvis/util/issues/68
        if (pathCommand === 'Z') {
            zCommandIndexes.push(i);
        }
        segment = pathArray[i];
        seglen = segment.length;
        params.x1 = +segment[seglen - 2];
        params.y1 = +segment[seglen - 1];
        params.x2 = +(segment[seglen - 4]) || params.x1;
        params.y2 = +(segment[seglen - 3]) || params.y1;
    }
    if (needZCommandIndexes) {
        return [pathArray, zCommandIndexes];
    }
    else {
        return pathArray;
    }
}
exports.default = pathToCurve;
function fixArc(pathArray, allPathCommands, i) {
    if (pathArray[i].length > 7) {
        pathArray[i].shift();
        var pi = pathArray[i];
        // const ni = i + 1;
        var ni = i;
        while (pi.length) {
            // if created multiple C:s, their original seg is saved
            allPathCommands[i] = 'A';
            // @ts-ignore
            pathArray.splice(ni += 1, 0, ['C'].concat(pi.splice(0, 6)));
        }
        pathArray.splice(i, 1);
    }
}
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