Function decodeGIF

  • decodeGIF(gifURL, progressCallback?, avgAlpha?): Promise<GIF>

  • decodes a GIF into its components for rendering on a canvas

    Parameters

    • gifURL: string

      the URL of a GIF file

    • OptionalprogressCallback: GIFProgressCallbackFunction

      [optional] callback for showing progress of decoding process (when GIF is interlaced calls after each pass (4x on the same frame))

    • OptionalavgAlpha: boolean

      [optional] if this is true then, when encountering a transparent pixel, it uses the average value of the pixels RGB channels to calculate the alpha channels value, otherwise alpha channel is either 0 or 1 - default false

    Returns Promise<GIF>

    the GIF with each frame decoded separately

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