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| /*
* Photo Editor SDK - photoeditorsdk.com
* Copyright (c) 2013-2015 9elements GmbH
*
* Released under Attribution-NonCommercial 3.0 Unported
* http://creativecommons.org/licenses/by-nc/3.0/
*
* For commercial use, please contact us at contact@9elements.com
*/
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
// istanbul ignore next
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
// istanbul ignore next
var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; Iif (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); Iif (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else Eif ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
// istanbul ignore next
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
// istanbul ignore next
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
// istanbul ignore next
function _inherits(subClass, superClass) { Iif (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); Eif (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _eventEmitter = require('./event-emitter');
var _eventEmitter2 = _interopRequireDefault(_eventEmitter);
var _imageDimensions = require('./image-dimensions');
var _imageDimensions2 = _interopRequireDefault(_imageDimensions);
var _mathVector2 = require('./math/vector2');
var _mathVector22 = _interopRequireDefault(_mathVector2);
var _renderersCanvasRenderer = require('../renderers/canvas-renderer');
var _renderersCanvasRenderer2 = _interopRequireDefault(_renderersCanvasRenderer);
var _renderersWebglRenderer = require('../renderers/webgl-renderer');
var _renderersWebglRenderer2 = _interopRequireDefault(_renderersWebglRenderer);
var _utils = require('./utils');
var _utils2 = _interopRequireDefault(_utils);
/**
* Handles the image rendering process
* @class
* @alias ImglyKit.RenderImage
* @param {Image} image
* @param {Array.<ImglyKit.Operation>} operationsStack
* @param {string} dimensions
* @param {string} preferredRenderer
* @private
*/
var RenderImage = (function (_EventEmitter) {
_inherits(RenderImage, _EventEmitter);
function RenderImage(image, operationsStack, dimensions, preferredRenderer) {
_classCallCheck(this, RenderImage);
_get(Object.getPrototypeOf(RenderImage.prototype), 'constructor', this).call(this);
/**
* @type {Object}
* @private
*/
this._options = {
preferredRenderer: preferredRenderer
};
/**
* @type {Boolean}
* @private
* @default false
*/
this._webglEnabled = false;
/**
* @type {Renderer}
* @private
*/
this._renderer = null;
/**
* @type {Image}
* @private
*/
this._image = image;
/**
* @type {Array.<ImglyKit.Operation>}
* @private
*/
this._stack = operationsStack;
/**
* @type {ImglyKit.ImageDimensions}
* @private
*/
this._dimensions = new _imageDimensions2['default'](dimensions);
/**
* @type {Vector2}
* @private
*/
this._initialDimensions = new _mathVector22['default'](this._image.width, this._image.height);
this._initRenderer();
}
/**
* Creates a renderer (canvas or webgl, depending on support)
* @return {Promise}
* @private
*/
_createClass(RenderImage, [{
key: '_initRenderer',
value: function _initRenderer() {
// istanbul ignore next
var _this = this;
/* istanbul ignore if */
Iif (_renderersWebglRenderer2['default'].isSupported() && this._options.preferredRenderer !== 'canvas') {
this._renderer = new _renderersWebglRenderer2['default'](this._initialDimensions, null, this._image);
this._webglEnabled = true;
} else Eif (_renderersCanvasRenderer2['default'].isSupported()) {
this._renderer = new _renderersCanvasRenderer2['default'](this._initialDimensions, null, this._image);
this._webglEnabled = false;
}
/* istanbul ignore if */
Iif (this._renderer === null) {
throw new Error('Neither Canvas nor WebGL renderer are supported.');
}
this._renderer.on('error', function (err) {
return _this.emit('error', err);
});
}
/**
* Renders the image
* @return {Promise}
*/
}, {
key: 'render',
value: function render() {
// istanbul ignore next
var _this2 = this;
var stack = this.sanitizedStack;
var initialDimensions = this._renderer.getInitialDimensionsForStack(stack, this._dimensions);
this._renderer.resizeTo(initialDimensions);
this._renderer.drawImage(this._image);
var validationPromises = [];
for (var i = 0; i < stack.length; i++) {
var operation = stack[i];
validationPromises.push(operation.validateSettings());
}
return Promise.all(validationPromises).then(function () {
var promise = Promise.resolve();
var _loop = function (i) {
var operation = stack[i];
promise = promise.then(function () {
return new Promise(function (resolve, reject) {
_utils2['default'].requestAnimationFrame(function () {
operation.render(_this2._renderer);
resolve();
});
});
});
};
for (var i = 0; i < stack.length; i++) {
_loop(i);
}
return promise;
}).then(function () {
return _this2._renderer.renderFinal();
}).then(function () {
return _this2._renderer.postRender(_this2._dimensions);
});
}
/**
* Returns the renderer
* @return {Renderer}
*/
}, {
key: 'getRenderer',
value: function getRenderer() {
return this._renderer;
}
/**
* Returns the operations stack without falsy values
* @type {Array.<Operation>}
*/
}, {
key: 'sanitizedStack',
get: function get() {
var sanitizedStack = [];
for (var i = 0; i < this._stack.length; i++) {
var operation = this._stack[i];
Iif (!operation) continue;
sanitizedStack.push(operation);
}
return sanitizedStack;
}
}]);
return RenderImage;
})(_eventEmitter2['default']);
exports['default'] = RenderImage;
module.exports = exports['default'];
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photoeditorsdk.com\n * Copyright (c) 2013-2015 9elements GmbH\n *\n * Released under Attribution-NonCommercial 3.0 Unported\n * http://creativecommons.org/licenses/by-nc/3.0/\n *\n * For commercial use, please contact us at contact@9elements.com\n */\n\nimport EventEmitter from './event-emitter'\nimport ImageDimensions from './image-dimensions'\nimport Vector2 from './math/vector2'\nimport CanvasRenderer from '../renderers/canvas-renderer'\nimport WebGLRenderer from '../renderers/webgl-renderer'\nimport Utils from './utils'\n\n/**\n * Handles the image rendering process\n * @class\n * @alias ImglyKit.RenderImage\n * @param {Image} image\n * @param {Array.<ImglyKit.Operation>} operationsStack\n * @param {string} dimensions\n * @param {string} preferredRenderer\n * @private\n */\nclass RenderImage extends EventEmitter {\n  constructor (image, operationsStack, dimensions, preferredRenderer) {\n    super()\n\n    /**\n     * @type {Object}\n     * @private\n     */\n    this._options = {\n      preferredRenderer: preferredRenderer\n    }\n\n    /**\n     * @type {Boolean}\n     * @private\n     * @default false\n     */\n    this._webglEnabled = false\n\n    /**\n     * @type {Renderer}\n     * @private\n     */\n    this._renderer = null\n\n    /**\n     * @type {Image}\n     * @private\n     */\n    this._image = image\n\n    /**\n     * @type {Array.<ImglyKit.Operation>}\n     * @private\n     */\n    this._stack = operationsStack\n\n    /**\n     * @type {ImglyKit.ImageDimensions}\n     * @private\n     */\n    this._dimensions = new ImageDimensions(dimensions)\n\n    /**\n     * @type {Vector2}\n     * @private\n     */\n    this._initialDimensions = new Vector2(this._image.width, this._image.height)\n\n    this._initRenderer()\n  }\n\n  /**\n   * Creates a renderer (canvas or webgl, depending on support)\n   * @return {Promise}\n   * @private\n   */\n  _initRenderer () {\n    /* istanbul ignore if */\n    if (WebGLRenderer.isSupported() && this._options.preferredRenderer !== 'canvas') {\n      this._renderer = new WebGLRenderer(this._initialDimensions, null, this._image)\n      this._webglEnabled = true\n    } else if (CanvasRenderer.isSupported()) {\n      this._renderer = new CanvasRenderer(this._initialDimensions, null, this._image)\n      this._webglEnabled = false\n    }\n\n    /* istanbul ignore if */\n    if (this._renderer === null) {\n      throw new Error('Neither Canvas nor WebGL renderer are supported.')\n    }\n\n    this._renderer.on('error', (err) => this.emit('error', err))\n  }\n\n  /**\n   * Renders the image\n   * @return {Promise}\n   */\n  render () {\n    const stack = this.sanitizedStack\n    const initialDimensions = this._renderer.getInitialDimensionsForStack(stack, this._dimensions)\n    this._renderer.resizeTo(initialDimensions)\n    this._renderer.drawImage(this._image)\n\n    let validationPromises = []\n    for (let i = 0; i < stack.length; i++) {\n      let operation = stack[i]\n      validationPromises.push(operation.validateSettings())\n    }\n\n    return Promise.all(validationPromises)\n      .then(() => {\n        let promise = Promise.resolve()\n        for (let i = 0; i < stack.length; i++) {\n          let operation = stack[i]\n          promise = promise.then(() => {\n            return new Promise((resolve, reject) => {\n              Utils.requestAnimationFrame(() => {\n                operation.render(this._renderer)\n                resolve()\n              })\n            })\n          })\n        }\n        return promise\n      })\n      .then(() => {\n        return this._renderer.renderFinal()\n      })\n      .then(() => {\n        return this._renderer.postRender(this._dimensions)\n      })\n  }\n\n  /**\n   * Returns the renderer\n   * @return {Renderer}\n   */\n  getRenderer () {\n    return this._renderer\n  }\n\n  /**\n   * Returns the operations stack without falsy values\n   * @type {Array.<Operation>}\n   */\n  get sanitizedStack () {\n    let sanitizedStack = []\n    for (let i = 0; i < this._stack.length; i++) {\n      let operation = this._stack[i]\n      if (!operation) continue\n      sanitizedStack.push(operation)\n    }\n    return sanitizedStack\n  }\n}\n\nexport default RenderImage\n"]} |