stable-diffusion-webui/javascript/aspectRatioOverlay.js

118 lines
3.4 KiB
JavaScript

let currentWidth = null;
let currentHeight = null;
let arFrameTimeout = setTimeout(function(){},0);
function dimensionChange(e, is_width, is_height){
if(is_width){
currentWidth = e.target.value*1.0
}
if(is_height){
currentHeight = e.target.value*1.0
}
var inImg2img = Boolean(gradioApp().querySelector("button.rounded-t-lg.border-gray-200"))
if(!inImg2img){
return;
}
var img2imgMode = gradioApp().querySelector('#mode_img2img.tabs > div > button.rounded-t-lg.border-gray-200')
if(img2imgMode){
img2imgMode=img2imgMode.innerText
}else{
return;
}
var redrawImage = gradioApp().querySelector('div[data-testid=image] img');
var inpaintImage = gradioApp().querySelector('#img2maskimg div[data-testid=image] img')
var targetElement = null;
if(img2imgMode=='img2img' && redrawImage){
targetElement = redrawImage;
}else if(img2imgMode=='Inpaint' && inpaintImage){
targetElement = inpaintImage;
}
if(targetElement){
var arPreviewRect = gradioApp().querySelector('#imageARPreview');
if(!arPreviewRect){
arPreviewRect = document.createElement('div')
arPreviewRect.id = "imageARPreview";
gradioApp().getRootNode().appendChild(arPreviewRect)
}
var viewportOffset = targetElement.getBoundingClientRect();
viewportscale = Math.min( targetElement.clientWidth/targetElement.naturalWidth, targetElement.clientHeight/targetElement.naturalHeight )
scaledx = targetElement.naturalWidth*viewportscale
scaledy = targetElement.naturalHeight*viewportscale
cleintRectTop = (viewportOffset.top+window.scrollY)
cleintRectLeft = (viewportOffset.left+window.scrollX)
cleintRectCentreY = cleintRectTop + (targetElement.clientHeight/2)
cleintRectCentreX = cleintRectLeft + (targetElement.clientWidth/2)
viewRectTop = cleintRectCentreY-(scaledy/2)
viewRectLeft = cleintRectCentreX-(scaledx/2)
arRectWidth = scaledx
arRectHeight = scaledy
arscale = Math.min( arRectWidth/currentWidth, arRectHeight/currentHeight )
arscaledx = currentWidth*arscale
arscaledy = currentHeight*arscale
arRectTop = cleintRectCentreY-(arscaledy/2)
arRectLeft = cleintRectCentreX-(arscaledx/2)
arRectWidth = arscaledx
arRectHeight = arscaledy
arPreviewRect.style.top = arRectTop+'px';
arPreviewRect.style.left = arRectLeft+'px';
arPreviewRect.style.width = arRectWidth+'px';
arPreviewRect.style.height = arRectHeight+'px';
clearTimeout(arFrameTimeout);
arFrameTimeout = setTimeout(function(){
arPreviewRect.style.display = 'none';
},2000);
arPreviewRect.style.display = 'block';
}
}
onUiUpdate(function(){
var arPreviewRect = gradioApp().querySelector('#imageARPreview');
if(arPreviewRect){
arPreviewRect.style.display = 'none';
}
var inImg2img = Boolean(gradioApp().querySelector("button.rounded-t-lg.border-gray-200"))
if(inImg2img){
let inputs = gradioApp().querySelectorAll('input');
inputs.forEach(function(e){
var is_width = e.parentElement.id == "img2img_width"
var is_height = e.parentElement.id == "img2img_height"
if((is_width || is_height) && !e.classList.contains('scrollwatch')){
e.addEventListener('input', function(e){dimensionChange(e, is_width, is_height)} )
e.classList.add('scrollwatch')
}
if(is_width){
currentWidth = e.value*1.0
}
if(is_height){
currentHeight = e.value*1.0
}
})
}
});