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Merge pull request #109 from HashLips/dev
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| const fs = require("fs"); | ||
| const path = require("path"); | ||
| const { createCanvas, loadImage } = require("canvas"); | ||
| const isLocal = typeof process.pkg === "undefined"; | ||
| const basePath = isLocal ? process.cwd() : path.dirname(process.execPath); | ||
| const buildDir = `${basePath}/build/pixel_images`; | ||
| const inputDir = `${basePath}/build/images`; | ||
| const { format, pixelFormat } = require(path.join(basePath, "/src/config.js")); | ||
| const console = require("console"); | ||
| const canvas = createCanvas(format.width, format.height); | ||
| const ctx = canvas.getContext("2d"); | ||
|
|
||
| const buildSetup = () => { | ||
| if (fs.existsSync(buildDir)) { | ||
| fs.rmdirSync(buildDir, { recursive: true }); | ||
| } | ||
| fs.mkdirSync(buildDir); | ||
| }; | ||
|
|
||
| const getImages = (_dir) => { | ||
| try { | ||
| return fs | ||
| .readdirSync(_dir) | ||
| .filter((item) => { | ||
| let extension = path.extname(`${_dir}${item}`); | ||
| if (extension == ".png" || extension == ".jpg") { | ||
| return item; | ||
| } | ||
| }) | ||
| .map((i) => { | ||
| return { | ||
| filename: i, | ||
| path: `${_dir}/${i}`, | ||
| }; | ||
| }); | ||
| } catch { | ||
| return null; | ||
| } | ||
| }; | ||
|
|
||
| const loadImgData = async (_imgObject) => { | ||
| return new Promise(async (resolve) => { | ||
| const image = await loadImage(`${_imgObject.path}`); | ||
| resolve({ imgObject: _imgObject, loadedImage: image }); | ||
| }); | ||
| }; | ||
|
|
||
| const draw = (_imgObject) => { | ||
| let size = pixelFormat.ratio; | ||
| let w = canvas.width * size; | ||
| let h = canvas.height * size; | ||
| ctx.imageSmoothingEnabled = false; | ||
| ctx.drawImage(_imgObject.loadedImage, 0, 0, w, h); | ||
| ctx.drawImage(canvas, 0, 0, w, h, 0, 0, canvas.width, canvas.height); | ||
| }; | ||
|
|
||
| const saveImage = (_loadedImageObject) => { | ||
| fs.writeFileSync( | ||
| `${buildDir}/${_loadedImageObject.imgObject.filename}`, | ||
| canvas.toBuffer("image/png") | ||
| ); | ||
| }; | ||
|
|
||
| const startCreating = async () => { | ||
| const images = getImages(inputDir); | ||
| if (images == null) { | ||
| console.log("Please generate collection first."); | ||
| return; | ||
| } | ||
| let loadedImageObjects = []; | ||
| images.forEach((imgObject) => { | ||
| loadedImageObjects.push(loadImgData(imgObject)); | ||
| }); | ||
| await Promise.all(loadedImageObjects).then((loadedImageObjectArray) => { | ||
| loadedImageObjectArray.forEach((loadedImageObject) => { | ||
| draw(loadedImageObject); | ||
| saveImage(loadedImageObject); | ||
| console.log(`Pixelated image: ${loadedImageObject.imgObject.filename}`); | ||
| }); | ||
| }); | ||
| }; | ||
|
|
||
| buildSetup(); | ||
| startCreating(); |
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