idraw/packages/board/example/features/lib/scale.js
2021-05-25 12:58:29 +08:00

14 lines
No EOL
312 B
JavaScript

const input = document.querySelector('#scale');
let hasInited = false;
export function doScale(board) {
if (hasInited === true) return;
input.addEventListener('change', () => {
const val = input.value * 1;
if (val > 0) {
board.scale(val);
board.draw();
}
});
hasInited = true;
}