61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
import { parse } from "https://deno.land/std@0.106.0/flags/mod.ts";
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import { createCanvas, init } from "https://deno.land/x/canvas/mod.ts";
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import { CollageModeType, collageModeType } from "../src/common/collages.ts";
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import DenoCollageModes, {
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CastCanvasRenderingContext,
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ProxyImage,
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} from "./collages.ts";
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import { CollageConfig } from "../src/common/types.ts";
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import { choice, shuffle } from "../src/common/utils.ts";
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const canvasKit = await init();
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const args = parse(Deno.args, {
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alias: {
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"w": "width",
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"h": "height",
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"o": "output",
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"m": "mode",
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},
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});
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if (args["_"].length < 2) {
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console.error("kollagen needs at least 2 images to work.");
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Deno.exit(1);
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}
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const images: ProxyImage[] = (await Promise.all(
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args["_"].map(async (imageURL) =>
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canvasKit.MakeImageFromEncoded(await Deno.readFile(imageURL.toString()))
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),
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)).map((image) => new ProxyImage(image!));
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const modes = new DenoCollageModes();
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const modeKey: CollageModeType = args["mode"] || choice(collageModeType);
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const mode = modes.modes[modeKey];
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console.log(
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`Creating a "${mode.name}" collage from ${images.length} images...`,
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);
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console.debug(`Images: ${args["_"].join(", ")}`);
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const canvas = createCanvas(args["width"] || 640, args["height"] || 640);
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const context = canvas.getContext("2d");
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const collageConfig: CollageConfig = {
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numImages: args["n"],
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};
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const shuffledImages = shuffle(images);
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const segments = mode.getSegments(
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context as CastCanvasRenderingContext,
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collageConfig,
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shuffledImages,
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);
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mode.place(context as CastCanvasRenderingContext, shuffledImages, segments);
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const output = args["output"] || "collage.png";
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console.log(`Saving to "${output}"...`);
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await Deno.writeFile(output, canvas.toBuffer());
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