Cool_Tools/upscayl
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Code Releases Wiki Activity

Last working lens

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This commit is contained in:
Nayam Amarshe 2024-09-22 07:06:13 +05:30
parent 42dec3abdf
commit 7077edb448
1 changed files with 27 additions and 20 deletions
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47
renderer/pages/index.tsx
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@ -1,5 +1,5 @@
"use client";
import { useState, useEffect, useCallback, useMemo } from "react";
import { useState, useEffect, useCallback, useMemo, useRef } from "react";
import COMMAND from "../../common/commands";
import { ReactCompareSlider } from "react-compare-slider";
import Header from "../components/Header";
@ -79,6 +79,8 @@ const Home = () => {
const [showCloudModal, setShowCloudModal] = useState(false);
const [minSize, setMinSize] = useState(22);
const [cursorPosition, setCursorPosition] = useState({ x: 0, y: 0 });
const upscaledImageRef = useRef<HTMLImageElement>(null);
const [lensPosition, setLensPosition] = useState({ x: 0, y: 0 });
// ATOMIC STATES
const [outputPath, setOutputPath] = useAtom(savedOutputPathAtom);
@ -116,14 +118,16 @@ const Home = () => {
);
const handleMouseMoveCompare = (e: React.MouseEvent) => {
const { left, top, height, width } =
e.currentTarget.getBoundingClientRect();
const x = e.clientX - left;
const y = e.clientY - top;
setCursorPosition({ x, y });
const xZoom = ((e.pageX - left) / width) * 100;
const yZoom = ((e.pageY - top) / height) * 100;
setBackgroundPosition(`${xZoom}% ${yZoom}%`);
if (upscaledImageRef.current) {
const { left, top, width, height } =
upscaledImageRef.current.getBoundingClientRect();
const x = e.clientX - left;
const y = e.clientY - top;
setLensPosition({
x: Math.max(0, Math.min(x - lensSize, width - lensSize * 2)),
y: Math.max(0, Math.min(y - lensSize / 2, height - lensSize)),
});
}
};
// SET CONFIG VARIABLES ON FIRST RUN
@ -816,13 +820,14 @@ const Home = () => {
className="h-full w-full object-contain"
src={"file:///" + sanitizedUpscaledImagePath}
alt="Upscaled"
ref={upscaledImageRef}
/>
{/* LENS */}
<div
className="pointer-events-none absolute opacity-0 transition-opacity before:absolute before:left-1/2 before:h-full before:w-[2px] before:bg-white group-hover:opacity-100"
style={{
left: cursorPosition.x - lensSize,
top: cursorPosition.y - lensSize / 2,
left: `${lensPosition.x}px`,
top: `${lensPosition.y}px`,
width: lensSize * 2,
height: lensSize,
border: "2px solid white",
@ -833,12 +838,13 @@ const Home = () => {
<div className="h-full w-full overflow-hidden">
<img
src={"file:///" + sanitizedImagePath}
alt="Original Image"
alt="Original"
className="h-full w-full"
style={{
objectFit: "cover",
objectPosition: `${-cursorPosition.x + lensSize}px ${-cursorPosition.y + lensSize / 2}px`,
width: `${zoomAmount}%`,
height: `${zoomAmount}%`,
objectFit: "contain",
objectPosition: `${-lensPosition.x}px ${-lensPosition.y}px`,
transform: `scale(${parseInt(zoomAmount) / 100})`,
transformOrigin: "top left",
}}
/>
</div>
@ -846,11 +852,12 @@ const Home = () => {
<img
src={"file:///" + sanitizedUpscaledImagePath}
alt="Upscaled"
className="h-full w-full"
style={{
objectFit: "cover",
objectPosition: `${-cursorPosition.x - lensSize}px ${-cursorPosition.y + lensSize / 2}px`,
width: `${zoomAmount}%`,
height: `${zoomAmount}%`,
objectFit: "contain",
objectPosition: `${-lensPosition.x}px ${-lensPosition.y}px`,
transform: `scale(${parseInt(zoomAmount) / 100})`,
transformOrigin: "top left",
}}
/>
</div>