49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
import * as electron from "electron";
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import * as loader from "tc-loader";
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import {Stage} from "tc-loader";
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import {
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spriteUrl as kClientSpriteUrl,
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spriteWidth as kClientSpriteWidth,
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spriteHeight as kClientSpriteHeight,
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spriteEntries as kClientSpriteEntries
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} from "svg-sprites/client-icons";
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import {NativeImage} from "electron";
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let nativeSprite: NativeImage;
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export function clientIconClassToImage(klass: string) : NativeImage {
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const sprite = kClientSpriteEntries.find(e => e.className === klass);
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if(!sprite) return undefined;
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return nativeSprite.crop({
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height: sprite.height,
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width: sprite.width,
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x: sprite.xOffset,
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y: sprite.yOffset
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});
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}
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loader.register_task(Stage.JAVASCRIPT_INITIALIZING, {
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priority: 100,
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name: "native icon sprite loader",
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function: async () => {
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const image = new Image();
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image.src = kClientSpriteUrl;
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await new Promise((resolve, reject) => {
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image.onload = resolve;
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image.onerror = () => reject("failed to load client icon sprite");
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});
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const canvas = document.createElement("canvas");
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canvas.width = kClientSpriteWidth;
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canvas.height = kClientSpriteHeight;
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canvas.getContext("2d").drawImage(image, 0, 0);
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nativeSprite = electron.remote.nativeImage.createFromDataURL( canvas.toDataURL());
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}
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})
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export function finalize() {
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nativeSprite = undefined;
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} |