Force full-size gallery viewer to display images at their native resolution, with scaling options.
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// ==UserScript==
// @name Prevent Image Scaling
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Force full-size gallery viewer to display images at their native resolution, with scaling options.
// @author Taka_Sakagami
// @match https://bsky.app/*
// @grant GM_addStyle
// ==/UserScript==
GM_addStyle(`
div[style*="background-image"] {
background-size: auto !important;
background-repeat: no-repeat !important;
transform: scale(var(--zoom-scale, 1)) translate(var(--translate-x, 0px), var(--translate-y, 0px)) !important;
cursor: grab;
image-rendering: var(--image-scaling, auto) !important;
height: 1000%;
width: 1000%;
left: -450%;
top: -450%;
}
.css-9pa8cd {
object-fit: none !important;
transform: scale(var(--zoom-scale, 1)) translate(var(--translate-x, 0px), var(--translate-y, 0px)) !important;
cursor: grab;
image-rendering: var(--image-scaling, auto) !important;
}
.zoom-controls {
position: fixed;
bottom: 20px;
right: 20px;
display: flex;
align-items: center;
gap: 10px;
user-select: none;
}
.zoom-button {
width: 32px;
height: 32px;
background-color: #007bff;
color: white;
border: none;
cursor: pointer;
font-size: 16px;
border-radius: 5px;
user-select: none;
}
.zoom-button:hover {
background-color: #0056b3;
}
.zoom-label {
width: 50px;
text-align: center;
font-size: 16px;
font-weight: bold;
color: #333;
user-select: none;
display: inline-block;
}
`);
(function() {
let zoomLevel = 1;
let zooming = 0;
let translateX = 0;
let translateY = 0;
let isDragging = false;
let startX, startY;
let isNearestNeighbor = false;
function updateZoom(scale) {
if (zooming !== 0) {
zoomLevel = scale;
document.documentElement.style.setProperty("--zoom-scale", zoomLevel);
document.getElementById("zoom-label").textContent = `${Math.round(zoomLevel * 100)}%`;
}
}
function updatePosition(x, y) {
if (zooming !== 0) {
translateX = x;
translateY = y;
document.documentElement.style.setProperty("--translate-x", `${translateX}px`);
document.documentElement.style.setProperty("--translate-y", `${translateY}px`);
}
}
function startDrag(event) {
if (event.button !== 0) {
isDragging = true;
startX = event.clientX - translateX;
startY = event.clientY - translateY;
}
else {
if (zooming === 0) {
translateX = 0;
translateY = 0;
startX = 0;
startY = 0;
document.documentElement.style.setProperty("--translate-x", `${translateX}px`);
document.documentElement.style.setProperty("--translate-y", `${translateY}px`);
zoomLevel = 1;
document.documentElement.style.setProperty("--zoom-scale", zoomLevel);
document.getElementById("zoom-label").textContent = `${Math.round(zoomLevel * 100)}%`;
}
zooming = 0;
}
}
function dragImage(event) {
if (isDragging) {
updatePosition(event.clientX - startX, event.clientY - startY);
}
}
function stopDrag() {
isDragging = false;
}
document.addEventListener("mousedown", startDrag);
document.addEventListener("mousemove", dragImage);
document.addEventListener("mouseup", stopDrag);
function toggleScaling() {
zooming = 1;
isNearestNeighbor = !isNearestNeighbor;
document.documentElement.style.setProperty("--image-scaling", isNearestNeighbor ? "pixelated" : "auto");
document.getElementById("scaling-toggle").textContent = isNearestNeighbor ? "O" : "ロ";
}
const container = document.createElement("div");
container.className = "zoom-controls";
const zoomOutButton = document.createElement("button");
zoomOutButton.className = "zoom-button";
zoomOutButton.textContent = "-";
zoomOutButton.addEventListener("click", function() {
zooming = 1; updateZoom(zoomLevel - 0.25);
});
const zoomLabel = document.createElement("span");
zoomLabel.className = "zoom-label";
zoomLabel.id = "zoom-label";
zoomLabel.textContent = `100%`;
const zoomInButton = document.createElement("button");
zoomInButton.className = "zoom-button";
zoomInButton.textContent = "+";
zoomInButton.addEventListener("click", function() {
zooming = 1; updateZoom(zoomLevel + 0.25);
});
const scalingToggle = document.createElement("button");
scalingToggle.className = "zoom-button";
scalingToggle.id = "scaling-toggle";
scalingToggle.textContent = "ロ";
scalingToggle.addEventListener("click", toggleScaling);
container.appendChild(zoomOutButton);
container.appendChild(zoomLabel);
container.appendChild(zoomInButton);
container.appendChild(scalingToggle);
document.body.appendChild(container);
})();