Code coverage report for lib\filter-async.js

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All files » lib/ » filter-async.js
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// Copyright (c) 2012 Kuba Niegowski
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
 
'use strict';
 
var util = require('util'),
    ChunkStream = require('./chunkstream'),
  Filter = require('./filter');
 
 
var FilterAsync = module.exports = function(width, height, Bpp, depth, interlace, options) {
    ChunkStream.call(this);
 
    var buffers = [];
    var that = this;
    this._filter = new Filter(width, height, Bpp, depth, interlace, options, {
        read: this.read.bind(this),
        complete: function(width, height) {
            that.emit('complete', Buffer.concat(buffers), width, height)
        },
        write: function(buffer) {
            buffers.push(buffer);
        }
    });
 
    this._filter.start();
};
util.inherits(FilterAsync, ChunkStream);