/**
 * temporary fix for https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/668
 * @see https://github.com/gradio-app/gradio/issues/1721
 */
function imageMaskResize() {
 const canvases = gradioApp().querySelectorAll('#img2maskimg .touch-none canvas');
 if (!canvases.length) {
 window.removeEventListener('resize', imageMaskResize);
 return;
 }

 const wrapper = canvases[0].closest('.touch-none');
 const previewImage = wrapper.previousElementSibling;

 if (!previewImage.complete) {
 previewImage.addEventListener('load', imageMaskResize);
 return;
 }

 const w = previewImage.width;
 const h = previewImage.height;
 const nw = previewImage.naturalWidth;
 const nh = previewImage.naturalHeight;
 const portrait = nh > nw;

 const wW = Math.min(w, portrait ? h / nh * nw : w / nw * nw);
 const wH = Math.min(h, portrait ? h / nh * nh : w / nw * nh);

 wrapper.style.width = `${wW}px`;
 wrapper.style.height = `${wH}px`;
 wrapper.style.left = `0px`;
 wrapper.style.top = `0px`;

 canvases.forEach(c => {
 c.style.width = c.style.height = '';
 c.style.maxWidth = '100%';
 c.style.maxHeight = '100%';
 c.style.objectFit = 'contain';
 });
}

onAfterUiUpdate(imageMaskResize);
window.addEventListener('resize', imageMaskResize);