idraw/examples/core/features/lib/scale.js
2022-04-28 23:46:07 +08:00

27 lines
No EOL
557 B
JavaScript

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