satie
Version:
A sheet music renderer for the web
39 lines (38 loc) • 1.71 kB
JavaScript
/**
* 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/>.
*/
;
var private_print_1 = require("./private_print");
function calculateLineBounds(print, pageNum, scaling) {
var pageLayout = print.pageLayout;
var systemLayout = print.systemLayout;
var pageMargins = private_print_1.getPageMargins(pageLayout.pageMargins, pageNum);
var systemMargins = systemLayout.systemMargins;
var startX = systemMargins.leftMargin + pageMargins.leftMargin;
var endX = systemMargins.rightMargin + pageLayout.pageWidth - pageMargins.rightMargin;
var scale40 = scaling.millimeters / scaling.tenths * 40; // TODO: 40 should be 10 x (numLines - 1)
var top = pageLayout.pageHeight - scale40 * 10 / 2 -
(systemLayout.topSystemDistance +
pageMargins.topMargin);
return {
left: startX,
right: endX,
systemLayout: systemLayout,
top: top,
};
}
exports.calculateLineBounds = calculateLineBounds;