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/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2023 Vendicated and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { addContextMenuPatch, NavContextMenuPatchCallback, removeContextMenuPatch } from "@api/ContextMenu";
import { definePluginSettings } from "@api/Settings";
import { disableStyle, enableStyle } from "@api/Styles";
import { makeRange } from "@components/PluginSettings/components";
import { Devs } from "@utils/constants";
import { debounce } from "@utils/debounce";
import definePlugin, { OptionType } from "@utils/types";
import { ContextMenu, Menu, React, ReactDOM } from "@webpack/common";
import type { Root } from "react-dom/client";
import { Magnifier, MagnifierProps } from "./components/Magnifier";
import { ELEMENT_ID } from "./constants";
import styles from "./styles.css?managed";
export const settings = definePluginSettings({
saveZoomValues: {
type: OptionType.BOOLEAN,
description: "Whether to save zoom and lens size values",
default: true,
},
preventCarouselFromClosingOnClick: {
type: OptionType.BOOLEAN,
// Thanks chat gpt
description: "Allow the image modal in the image slideshow thing / carousel to remain open when clicking on the image",
default: true,
},
invertScroll: {
type: OptionType.BOOLEAN,
description: "Invert scroll",
default: true,
},
nearestNeighbour: {
type: OptionType.BOOLEAN,
description: "Use Nearest Neighbour Interpolation when scaling images",
default: false,
},
square: {
type: OptionType.BOOLEAN,
description: "Make the lens square",
default: false,
},
zoom: {
description: "Zoom of the lens",
type: OptionType.SLIDER,
markers: makeRange(1, 50, 4),
default: 2,
stickToMarkers: false,
},
size: {
description: "Radius / Size of the lens",
type: OptionType.SLIDER,
markers: makeRange(50, 1000, 50),
default: 100,
stickToMarkers: false,
},
zoomSpeed: {
description: "How fast the zoom / lens size changes",
type: OptionType.SLIDER,
markers: makeRange(0.1, 5, 0.2),
default: 0.5,
stickToMarkers: false,
},
});
const imageContextMenuPatch: NavContextMenuPatchCallback = children => () => {
children.push(
<Menu.MenuGroup id="image-zoom">
<Menu.MenuCheckboxItem
id="vc-square"
label="Square Lens"
checked={settings.store.square}
action={() => {
settings.store.square = !settings.store.square;
ContextMenu.close();
}}
/>
<Menu.MenuCheckboxItem
id="vc-nearest-neighbour"
label="Nearset Neighbour"
checked={settings.store.nearestNeighbour}
action={() => {
settings.store.nearestNeighbour = !settings.store.nearestNeighbour;
ContextMenu.close();
}}
/>
<Menu.MenuControlItem
id="vc-zoom"
label="Zoom"
control={(props, ref) => (
<Menu.MenuSliderControl
ref={ref}
{...props}
minValue={1}
maxValue={50}
value={settings.store.zoom}
onChange={debounce((value: number) => settings.store.zoom = value, 100)}
/>
)}
/>
<Menu.MenuControlItem
id="vc-size"
label="Lens Size"
control={(props, ref) => (
<Menu.MenuSliderControl
ref={ref}
{...props}
minValue={50}
maxValue={1000}
value={settings.store.size}
onChange={debounce((value: number) => settings.store.size = value, 100)}
/>
)}
/>
<Menu.MenuControlItem
id="vc-zoom-speed"
label="Zoom Speed"
control={(props, ref) => (
<Menu.MenuSliderControl
ref={ref}
{...props}
minValue={0.1}
maxValue={5}
value={settings.store.zoomSpeed}
onChange={debounce((value: number) => settings.store.zoomSpeed = value, 100)}
renderValue={(value: number) => `${value.toFixed(3)}x`}
/>
)}
/>
</Menu.MenuGroup>
);
};
export default definePlugin({
name: "ImageZoom",
description: "Lets you zoom in to images and gifs. Use scroll wheel to zoom in and shift + scroll wheel to increase lens radius / size",
authors: [Devs.Aria],
tags: ["ImageUtilities"],
patches: [
{
find: '"renderLinkComponent","maxWidth"',
replacement: {
match: /(return\(.{1,100}\(\)\.wrapper.{1,200})(src)/,
replace: `$1id: '${ELEMENT_ID}',$2`
}
},
{
find: "handleImageLoad=",
replacement: [
{
match: /showThumbhashPlaceholder:/,
replace: "...$self.makeProps(this),$&"
},
{
match: /componentDidMount=function\(\){/,
replace: "$&$self.renderMagnifier(this);",
},
{
match: /componentWillUnmount=function\(\){/,
replace: "$&$self.unMountMagnifier();"
}
]
},
{
find: ".carouselModal,",
replacement: {
match: /onClick:(\i),/,
replace: "onClick:$self.settings.store.preventCarouselFromClosingOnClick ? () => {} : $1,"
}
}
],
settings,
// to stop from rendering twice /shrug
currentMagnifierElement: null as React.FunctionComponentElement<MagnifierProps & JSX.IntrinsicAttributes> | null,
element: null as HTMLDivElement | null,
Magnifier,
root: null as Root | null,
makeProps(instance) {
return {
onMouseOver: () => this.onMouseOver(instance),
onMouseOut: () => this.onMouseOut(instance),
onMouseDown: (e: React.MouseEvent) => this.onMouseDown(e, instance),
onMouseUp: () => this.onMouseUp(instance),
id: instance.props.id,
};
},
renderMagnifier(instance) {
if (instance.props.id === ELEMENT_ID) {
if (!this.currentMagnifierElement) {
this.currentMagnifierElement = <Magnifier size={settings.store.size} zoom={settings.store.zoom} instance={instance} />;
this.root = ReactDOM.createRoot(this.element!);
this.root.render(this.currentMagnifierElement);
}
}
},
unMountMagnifier() {
this.root?.unmount();
this.currentMagnifierElement = null;
this.root = null;
},
onMouseOver(instance) {
instance.setState((state: any) => ({ ...state, mouseOver: true }));
},
onMouseOut(instance) {
instance.setState((state: any) => ({ ...state, mouseOver: false }));
},
onMouseDown(e: React.MouseEvent, instance) {
if (e.button === 0 /* left */)
instance.setState((state: any) => ({ ...state, mouseDown: true }));
},
onMouseUp(instance) {
instance.setState((state: any) => ({ ...state, mouseDown: false }));
},
start() {
enableStyle(styles);
addContextMenuPatch("image-context", imageContextMenuPatch);
this.element = document.createElement("div");
this.element.classList.add("MagnifierContainer");
document.body.appendChild(this.element);
},
stop() {
disableStyle(styles);
// so componenetWillUnMount gets called if Magnifier component is still alive
this.root && this.root.unmount();
this.element?.remove();
removeContextMenuPatch("image-context", imageContextMenuPatch);
}
});
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