dxf-parser/src/entities/arc.js

Parse dxf files into a readable, logical js object.

import * as helpers from '../ParseHelpers'

export default function EntityParser() {}

EntityParser.ForEntityName = 'ARC';

EntityParser.prototype.parseEntity = function(scanner, curr) {
    var entity, endAngle;
    entity = { type: curr.value };
    curr = scanner.next();
    while(curr !== 'EOF') {
        if(curr.code === 0) break;

        switch(curr.code) {
            case 10: // X coordinate of point
                entity.center = helpers.parsePoint(scanner);
                break;
            case 40: // radius
                entity.radius = curr.value;
                break;
            case 50: // start angle
                entity.startAngle = Math.PI / 180 * curr.value;
                break;
            case 51: // end angle
                entity.endAngle = Math.PI / 180 * curr.value;
                entity.angleLength = entity.endAngle - entity.startAngle; // angleLength is deprecated
                break;
            default: // ignored attribute
                helpers.checkCommonEntityProperties(entity, curr, scanner);
                break;
        }
        curr = scanner.next();
    }
    return entity;
};