satie/src/implChord_noteheadView.ts

A sheet music renderer for the web

/**
 * This file is part of Satie music engraver <https://github.com/jnetterf/satie>.
 * Copyright (C) Joshua Netterfield <joshua.ca> 2015 - present.
 * 
 * Satie is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * Satie is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with Satie.  If not, see <http://www.gnu.org/licenses/>.
 */

import {Position, Notehead} from "musicxml-interfaces";
import {createFactory, Component, PropTypes} from "react";

import Glyph from "./private_views_glyph";

const $Glyph = createFactory(Glyph);

export interface IProps {
    key?: string | number;
    spec: Notehead | Position;
    notehead: string;
}

/**
 * Renders a notehead.
 */
export default class NoteheadView extends Component<IProps, void> {
    static contextTypes = {
        originY: PropTypes.number.isRequired
    } as any;

    context: {
        originY: number;
    };

    render(): any {
        let spec = this.props.spec;
        let pos = <Position> spec;
        let head = <Notehead> spec;

        return $Glyph({
            fill: head.color,
            glyphName: this.props.notehead,
            // scale: this.props.grace ? 0.6 : 1.0,
            x: pos.defaultX + (pos.relativeX || 0),
            y: this.context.originY - pos.defaultY - (pos.relativeY || 0)
        });
    }
}