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Current File : C:/inetpub/vhost/binhdinhinvest.gdtvietnam.com/api/node_modules/@jimp/gif/es/index.js

import GIF from "omggif";
import { GifUtil, GifFrame, BitmapImage, GifCodec } from "gifwrap";
const MIME_TYPE = "image/gif";
export default (() => ({
  mime: {
    [MIME_TYPE]: ["gif"]
  },
  constants: {
    MIME_GIF: MIME_TYPE
  },
  decoders: {
    [MIME_TYPE]: data => {
      const gifObj = new GIF.GifReader(data);
      const gifData = Buffer.alloc(gifObj.width * gifObj.height * 4);
      gifObj.decodeAndBlitFrameRGBA(0, gifData);
      return {
        data: gifData,
        width: gifObj.width,
        height: gifObj.height
      };
    }
  },
  encoders: {
    [MIME_TYPE]: data => {
      const bitmap = new BitmapImage(data.bitmap);
      GifUtil.quantizeDekker(bitmap, 256);
      const newFrame = new GifFrame(bitmap);
      const gifCodec = new GifCodec();
      return gifCodec.encodeGif([newFrame], {}).then(newGif => {
        return newGif.buffer;
      });
    }
  }
}));
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