return;
}
- let board_width = parseInt(document.querySelector(".board-b72b1").style.width, 10);
- let zoom_factor = board_width / 400.0;
- let line_width = arrow.line_width * zoom_factor;
- let arrow_size = arrow.arrow_size * zoom_factor;
+ // We always draw as if the board is 400x400, the viewBox will adjust that for us
+ let line_width = arrow.line_width;
+ let arrow_size = arrow.arrow_size;
- let square_width = board_width / 8;
+ let square_width = 400 / 8;
let from_y, to_y, from_x, to_x;
if (board.orientation() === 'black') {
from_y = (arrow.from_row + 0.5)*square_width;
let SVG_NS = "http://www.w3.org/2000/svg";
let XHTML_NS = "http://www.w3.org/1999/xhtml";
let svg = document.createElementNS(SVG_NS, "svg");
- svg.setAttribute("width", board_width);
- svg.setAttribute("height", board_width);
- svg.setAttribute("style", "position: absolute");
- svg.setAttribute("position", "absolute");
+ svg.setAttribute("width", "100%");
+ svg.setAttribute("height", "100%");
+ svg.setAttribute("viewBox", "0 0 400 400");
svg.setAttribute("version", "1.1");
svg.setAttribute("class", "c1");
svg.setAttribute("xmlns", XHTML_NS);
head.setAttribute("fill", arrow.fg_color);
svg.appendChild(head);
- svg.style.top = '2px'; /* Border for .board-b72b1. */
- svg.style.left = '2px';
+ svg.style.position = 'absolute';
+ svg.style.top = '0px'; /* Border for .board-b72b1. */
+ svg.style.left = '0px';
svg.style.pointerEvents = 'none';
document.getElementById('board').appendChild(svg);
arrow.svg = svg;
}
function mousedownSquare(e) {
- if (!e.target || !e.target.closest('.square-55d63')) {
+ if (!e.target || !e.target.getAttribute('data-square')) {
return;
}
reverse_dragging_from = null;
- let square = e.target.closest('.square-55d63').getAttribute('data-square');
+ let square = e.target.getAttribute('data-square');
let pseudogame = new Chess(display_fen);
if (pseudogame.game_over() === true) {
}
function mouseupSquare(e) {
- if (!e.target || !e.target.closest('.square-55d63')) {
+ if (!e.target || !e.target.getAttribute('data-square')) {
return;
}
if (reverse_dragging_from === null) {
return;
}
- let source = e.target.closest('.square-55d63').getAttribute('data-square');
+ let source = e.target.getAttribute('data-square');
let target = reverse_dragging_from;
reverse_dragging_from = null;
if (onDrop(source, target) !== 'snapback') {