Source: node_modules/kurento-client-elements/lib/AlphaBlending.js

/* Autogenerated with Kurento Idl */

/*
 * (C) Copyright 2013-2015 Kurento (http://kurento.org/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var inherits = require('inherits');

var kurentoClient = require('kurento-client');

var disguise = kurentoClient.disguise;

var checkType      = kurentoClient.checkType;
var ChecktypeError = checkType.ChecktypeError;


var Transaction = kurentoClient.TransactionsManager.Transaction;

var Hub = require('kurento-client-core').abstracts.Hub;


function noop(error, result) {
  if (error) console.trace(error);

  return result
};


/**
 * Create for the given pipeline
 *
 * @classdesc
 *  A {@link module:core/abstracts.Hub Hub} that mixes the {@link 
 *  module:elements.AlphaBlending#MediaType.AUDIO} stream of its connected 
 *  sources and constructs one output with {@link 
 *  module:elements.AlphaBlending#MediaType.VIDEO} streams of its connected 
 *  sources into its sink
 *
 * @extends module:core/abstracts.Hub
 *
 * @constructor module:elements.AlphaBlending
 */
function AlphaBlending(){
  AlphaBlending.super_.call(this);
};
inherits(AlphaBlending, Hub);


//
// Public methods
//

/**
 * Sets the source port that will be the master entry to the mixer
 *
 * @alias module:elements.AlphaBlending.setMaster
 *
 * @param {module:core.HubPort} source
 *  The reference to the HubPort setting as master port
 *
 * @param {external:Integer} zOrder
 *  The order in z to draw the master image
 *
 * @param {module:elements.AlphaBlending~setMasterCallback} [callback]
 *
 * @return {external:Promise}
 */
AlphaBlending.prototype.setMaster = function(source, zOrder, callback){
  var transaction = (arguments[0] instanceof Transaction)
                  ? Array.prototype.shift.apply(arguments)
                  : undefined;

  //  
  // checkType('HubPort', 'source', source, {required: true});
  //  
  // checkType('int', 'zOrder', zOrder, {required: true});
  //  

  var params = {
    source: source,
    zOrder: zOrder
  };

  callback = (callback || noop).bind(this)

  return disguise(this._invoke(transaction, 'setMaster', params, callback), this)
};
/**
 * @callback module:elements.AlphaBlending~setMasterCallback
 * @param {external:Error} error
 */

/**
 * Configure the blending mode of one port.
 *
 * @alias module:elements.AlphaBlending.setPortProperties
 *
 * @param {external:Number} relativeX
 *  The x position relative to the master port. Values from 0 to 1 are accepted.
 *
 * @param {external:Number} relativeY
 *  The y position relative to the master port. Values from 0 to 1 are accepted.
 *
 * @param {external:Integer} zOrder
 *  The order in z to draw the images. The greatest value of z is in the top.
 *
 * @param {external:Number} relativeWidth
 *  The image width relative to the master port width. Values from 0 to 1 are 
 *  accepted.
 *
 * @param {external:Number} relativeHeight
 *  The image height relative to the master port height. Values from 0 to 1 are 
 *  accepted.
 *
 * @param {module:core.HubPort} port
 *  The reference to the confingured port.
 *
 * @param {module:elements.AlphaBlending~setPortPropertiesCallback} [callback]
 *
 * @return {external:Promise}
 */
AlphaBlending.prototype.setPortProperties = function(relativeX, relativeY, zOrder, relativeWidth, relativeHeight, port, callback){
  var transaction = (arguments[0] instanceof Transaction)
                  ? Array.prototype.shift.apply(arguments)
                  : undefined;

  //  
  // checkType('float', 'relativeX', relativeX, {required: true});
  //  
  // checkType('float', 'relativeY', relativeY, {required: true});
  //  
  // checkType('int', 'zOrder', zOrder, {required: true});
  //  
  // checkType('float', 'relativeWidth', relativeWidth, {required: true});
  //  
  // checkType('float', 'relativeHeight', relativeHeight, {required: true});
  //  
  // checkType('HubPort', 'port', port, {required: true});
  //  

  var params = {
    relativeX: relativeX,
    relativeY: relativeY,
    zOrder: zOrder,
    relativeWidth: relativeWidth,
    relativeHeight: relativeHeight,
    port: port
  };

  callback = (callback || noop).bind(this)

  return disguise(this._invoke(transaction, 'setPortProperties', params, callback), this)
};
/**
 * @callback module:elements.AlphaBlending~setPortPropertiesCallback
 * @param {external:Error} error
 */


/**
 * @alias module:elements.AlphaBlending.constructorParams
 *
 * @property {module:core.MediaPipeline} mediaPipeline
 *  the {@link module:core.MediaPipeline MediaPipeline} to which the dispatcher 
 *  belongs
 */
AlphaBlending.constructorParams = {
  mediaPipeline: {
    type: 'kurento.MediaPipeline',
    required: true
  }
};

/**
 * @alias module:elements.AlphaBlending.events
 *
 * @extends module:core/abstracts.Hub.events
 */
AlphaBlending.events = Hub.events;


/**
 * Checker for {@link module:elements.AlphaBlending}
 *
 * @memberof module:elements
 *
 * @param {external:String} key
 * @param {module:elements.AlphaBlending} value
 */
function checkAlphaBlending(key, value)
{
  if(!(value instanceof AlphaBlending))
    throw ChecktypeError(key, AlphaBlending, value);
};


module.exports = AlphaBlending;

AlphaBlending.check = checkAlphaBlending;