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Fix image zoom

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Franzz
2026-01-16 20:21:28 +01:00
parent da39ca6589
commit e7d4c840c2
1 changed files with 9 additions and 10 deletions
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19
src/scripts/lightbox.js
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@@ -264,17 +264,16 @@
this.$nav.mousewheel((e) => {
var asImg = self.album[this.currentImageIndex];
if(!asImg.type != 'video') {
asTransform = this.$image.css('transform').replace(/[^0-9\-.,]/g, '').split(',');
var fOldZoom = parseFloat(asTransform[0] || 1);
var fOldTranslateX = parseFloat(asTransform[4] || 0);
var fOldTranslateY = parseFloat(asTransform[5] || 0);
var fOldZoom = parseFloat(asTransform[0] || 1);
var fNewZoom = Math.min(Math.max(fOldZoom + e.deltaY / 10, 1), Math.max(asImg.width/this.$image.width(), asImg.height/this.$image.height()));
let asTransform = this.$image.css('transform').replace(/[^0-9\-.,]/g, '').split(',');
let fOldZoom = parseFloat(asTransform[0] || 1);
let fOldTranslateX = parseFloat(asTransform[4] || 0);
let fOldTranslateY = parseFloat(asTransform[5] || 0);
let fNewZoom = Math.min(Math.max(fOldZoom + e.deltaY / 10, 1), Math.max(asImg.width/this.$image.width(), asImg.height/this.$image.height()));
var fTransX = fOldTranslateX + (fNewZoom - fOldZoom) * (this.$image.width()/2 - e.offsetX);
var fTransY = fOldTranslateY + (fNewZoom - fOldZoom) * (this.$image.height()/2 - e.offsetY);
var fTransMaxX = (fNewZoom - 1) * this.$image.width() / 2;
var fTransMaxY = (fNewZoom - 1) * this.$image.height() / 2;
let fTransX = fOldTranslateX + (fNewZoom - fOldZoom) * (this.$image.width()/2 - e.offsetX);
let fTransY = fOldTranslateY + (fNewZoom - fOldZoom) * (this.$image.height()/2 - e.offsetY);
let fTransMaxX = (fNewZoom - 1) * this.$image.width() / 2;
let fTransMaxY = (fNewZoom - 1) * this.$image.height() / 2;
fTransX = Math.max(Math.min(fTransX, fTransMaxX), fTransMaxX * -1);
fTransY = Math.max(Math.min(fTransY, fTransMaxY), fTransMaxY * -1);