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SWF Reader

A simple node module for reading SWF format.

Installation

$ npm install swf-reader

Usage

var SWFReader = require('swf-reader');

SWFReader.read( 'swf_path.swf', function(err, swf) {
  if ( err ) {
    // handle error
    ...
  }
  console.log(swf);
});

SWFReader.read(file, callback)

Returns a SWF Object to callback function. If it's not possible to read the SWF, an error object is passed as the first argument of callback.

SWFReader.readSync(file)

Returns a SWF Object to the caller. If it's not possible to read the SWF, an Exception is thrown.

The file parameter of both methods may be either a file path or a buffer of the SWF file.

SWF Object

The SWF Object method has the following properties :

  • version: The SWF version.
  • fileLength: An Object containing the following properties :
    • compressed: The SWF compressed size in bytes.
    • uncompressed: The SWF uncompressed size in bytes.
  • frameSize: An Object containing the width and height of the SWF.
  • frameRate: The SWF framerate.
  • frameCount: Number of frames in the SWF.
  • backgroundColor: The background color of the SWF in the format #XXXXXX.
  • fileAttributes: FileAtributtes defines characteristics of the SWF file.
    • useNetwork: If true, the SWF file is given network file access when loaded locally.
    • as3: If true, the SWF uses ActionScript 3.0. Otherwise it uses ActionScript 1.0 or 2.0.
    • hasMetaData: If true, the SWF file contains the Metadata tag.
    • useGPU: If true, the SWF file uses GPU compositing features when drawing graphics.
    • useDirectBlit: If true, the SWF file uses hardware acceleration to blit graphics to the screen.
  • metadata: The metadata describes the SWF file to and external process.
  • tags: An array of tag. Each item in the array is an object with a header property with the folowing properties:
    • code: A number indicating the type of the tag. (see SWF format for more information)
    • length: The length of the tag in bytes.

Running test

To run the test invoke the following command within the repo directory :

$ npm test

Todo

  • Read tags fields.
  • Write in tags block.

Contributors

Author: Rafael Leal Dias

License

MIT

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A simple node module for reading SWF format

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