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| /*jshint unused:false */
/*
* 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); Eif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
// istanbul ignore next
var _get = function get(_x2, _x3, _x4) { var _again = true; _function: while (_again) { var object = _x2, property = _x3, receiver = _x4; _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 { _x2 = parent; _x3 = property; _x4 = 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 _libMathVector2 = require('../lib/math/vector2');
var _libMathVector22 = _interopRequireDefault(_libMathVector2);
var _libEventEmitter = require('../lib/event-emitter');
var _libEventEmitter2 = _interopRequireDefault(_libEventEmitter);
/**
* @class
* @alias ImglyKit.Renderer
* @param {Vector2} dimensions
* @private
*/
var Renderer = (function (_EventEmitter) {
_inherits(Renderer, _EventEmitter);
function Renderer(dimensions, canvas, image) {
_classCallCheck(this, Renderer);
_get(Object.getPrototypeOf(Renderer.prototype), 'constructor', this).call(this);
this._size = new _libMathVector22['default'](image.width, image.height);
/**
* @type {Canvas}
* @private
*/
this._canvas = canvas || this.createCanvas();
Eif (!canvas) {
this.setSize(dimensions);
}
/**
* @type {RenderingContext}
* @private
*/
this._context = this._getContext();
/**
* The texture / image data cache
* @type {Object.<String, *>}
*/
this._cache = {};
this._image = image;
}
/**
* A unique string that identifies this renderer
* @type {String}
*/
_createClass(Renderer, [{
key: 'cache',
/**
* Caches the current canvas content for the given identifier
* @param {String} identifier
*/
value: function cache(identifier) {}
/**
* Draws the stored texture / image data for the given identifier
* @param {String} identifier
*/
}, {
key: 'drawCached',
value: function drawCached(identifier) {}
/**
* Creates a new canvas
* @param {Number} [width]
* @param {Number} [height]
* @return {Canvas}
* @private
*/
}, {
key: 'createCanvas',
value: function createCanvas(width, height) {
var isBrowser = typeof window !== 'undefined';
var canvas;
Iif (isBrowser) {
/* istanbul ignore next */
canvas = document.createElement('canvas');
} else {
var Canvas = require('canvas');
canvas = new Canvas();
}
// Apply width
Iif (typeof width !== 'undefined') {
canvas.width = width;
}
// Apply height
Iif (typeof height !== 'undefined') {
canvas.height = height;
}
return canvas;
}
/**
* Returns the current size of the canvas
* @return {Vector2}
*/
}, {
key: 'getSize',
value: function getSize() {
return new _libMathVector22['default'](this._canvas.width, this._canvas.height);
}
/**
* Gets the rendering context from the Canva
* @return {RenderingContext}
* @abstract
*/
}, {
key: '_getContext',
value: function _getContext() {
/* istanbul ignore next */
throw new Error('Renderer#_getContext is abstract and not implemented in inherited class.');
}
/**
* Resizes the current canvas picture to the given dimensions
* @param {Vector2} dimensions
* @return {Promise}
* @abstract
*/
}, {
key: 'resizeTo',
value: function resizeTo(dimensions) {
/* istanbul ignore next */
throw new Error('Renderer#resizeTo is abstract and not implemented in inherited class.');
}
/**
* Draws the given image on the canvas
* @param {Image} image
* @abstract
*/
}, {
key: 'drawImage',
value: function drawImage(image) {
/* istanbul ignore next */
throw new Error('Renderer#drawImage is abstract and not implemented in inherited class.');
}
/**
* Gets called after the stack has been rendered
* @param {Image} image
*/
}, {
key: 'renderFinal',
value: function renderFinal() {}
/**
* Returns the canvas
* @return {Canvas}
*/
}, {
key: 'getCanvas',
value: function getCanvas() {
return this._canvas;
}
/**
* Returns the context
* @return {RenderingContext}
*/
}, {
key: 'getContext',
value: function getContext() {
return this._context;
}
/**
* Sets the current canvas to the given one
* @param {Canvas} canvas
*/
}, {
key: 'setCanvas',
value: function setCanvas(canvas) {
this._canvas = canvas;
this._context = this._getContext();
this.emit('new-canvas', this._canvas);
}
/**
* Returns the canvas size after all operations have been applied
* @param {Array.<Operation>} stack
* @param {ImageDimensions} dimensions
*/
}, {
key: 'getOutputDimensionsForStack',
value: function getOutputDimensionsForStack(stack, dimensions) {
// istanbul ignore next
var _this = this;
var size = new _libMathVector22['default'](this._image.width, this._image.height);
stack.forEach(function (operation) {
size = operation.getNewDimensions(_this, size);
});
if (dimensions) {
size = dimensions.calculateFinalDimensions(size);
}
return size;
}
/**
* Returns the initial dimensions before any operations have been applied
* @param {Array.<Operation>} stack
* @param {ImageDimensions} dimensions
*/
}, {
key: 'getInitialDimensionsForStack',
value: function getInitialDimensionsForStack(stack, dimensions) {
return this.getOutputDimensionsForStack(stack, dimensions);
}
/**
* Sets the current context to the given one
* @param {RenderingContext2D} context
*/
}, {
key: 'setContext',
value: function setContext(context) {
this._context = context;
}
/**
* Resets the renderer
* @param {Boolean} resetCache = false
*/
}, {
key: 'reset',
value: function reset() {
var resetCache = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
}
/**
* Gets called after the rendering has been done.
*/
}, {
key: 'postRender',
value: function postRender(dimensions) {}
}, {
key: 'setSize',
value: function setSize(size) {
this._size.copy(size);
}
}, {
key: 'identifier',
get: function get() {
return null;
}
/**
* Checks whether this type of renderer is supported in the current environment
* @abstract
* @returns {boolean}
*/
}], [{
key: 'isSupported',
value: function isSupported() {
/* istanbul ignore next */
throw new Error('Renderer#isSupported is abstract and not implemented in inherited class.');
}
}]);
return Renderer;
})(_libEventEmitter2['default']);
exports['default'] = Renderer;
module.exports = exports['default'];
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unused:false */\n/*\n * Photo Editor SDK - 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 Vector2 from '../lib/math/vector2'\nimport EventEmitter from '../lib/event-emitter'\n\n/**\n * @class\n * @alias ImglyKit.Renderer\n * @param {Vector2} dimensions\n * @private\n */\nclass Renderer extends EventEmitter {\n  constructor (dimensions, canvas, image) {\n    super()\n\n    this._size = new Vector2(image.width, image.height)\n\n    /**\n     * @type {Canvas}\n     * @private\n     */\n    this._canvas = canvas || this.createCanvas()\n\n    if (!canvas) {\n      this.setSize(dimensions)\n    }\n\n    /**\n     * @type {RenderingContext}\n     * @private\n     */\n    this._context = this._getContext()\n\n    /**\n     * The texture / image data cache\n     * @type {Object.<String, *>}\n     */\n    this._cache = {}\n\n    this._image = image\n  }\n\n  /**\n   * A unique string that identifies this renderer\n   * @type {String}\n   */\n  get identifier () {\n    return null\n  }\n\n  /**\n   * Checks whether this type of renderer is supported in the current environment\n   * @abstract\n   * @returns {boolean}\n   */\n  static isSupported () {\n    /* istanbul ignore next */\n    throw new Error('Renderer#isSupported is abstract and not implemented in inherited class.')\n  }\n\n  /**\n   * Caches the current canvas content for the given identifier\n   * @param {String} identifier\n   */\n  cache (identifier) {}\n\n  /**\n   * Draws the stored texture / image data for the given identifier\n   * @param {String} identifier\n   */\n  drawCached (identifier) {}\n\n  /**\n   * Creates a new canvas\n   * @param {Number} [width]\n   * @param {Number} [height]\n   * @return {Canvas}\n   * @private\n   */\n  createCanvas (width, height) {\n    var isBrowser = typeof window !== 'undefined'\n    var canvas\n    if (isBrowser) {\n      /* istanbul ignore next */\n      canvas = document.createElement('canvas')\n    } else {\n      var Canvas = require('canvas')\n      canvas = new Canvas()\n    }\n\n    // Apply width\n    if (typeof width !== 'undefined') {\n      canvas.width = width\n    }\n\n    // Apply height\n    if (typeof height !== 'undefined') {\n      canvas.height = height\n    }\n\n    return canvas\n  }\n\n  /**\n   * Returns the current size of the canvas\n   * @return {Vector2}\n   */\n  getSize () {\n    return new Vector2(this._canvas.width, this._canvas.height)\n  }\n\n  /**\n   * Gets the rendering context from the Canva\n   * @return {RenderingContext}\n   * @abstract\n   */\n  _getContext () {\n    /* istanbul ignore next */\n    throw new Error('Renderer#_getContext is abstract and not implemented in inherited class.')\n  }\n\n  /**\n   * Resizes the current canvas picture to the given dimensions\n   * @param  {Vector2} dimensions\n   * @return {Promise}\n   * @abstract\n   */\n  resizeTo (dimensions) {\n    /* istanbul ignore next */\n    throw new Error('Renderer#resizeTo is abstract and not implemented in inherited class.')\n  }\n\n  /**\n   * Draws the given image on the canvas\n   * @param  {Image} image\n   * @abstract\n   */\n  drawImage (image) {\n    /* istanbul ignore next */\n    throw new Error('Renderer#drawImage is abstract and not implemented in inherited class.')\n  }\n\n  /**\n   * Gets called after the stack has been rendered\n   * @param  {Image} image\n   */\n  renderFinal () {}\n\n  /**\n   * Returns the canvas\n   * @return {Canvas}\n   */\n  getCanvas () {\n    return this._canvas\n  }\n\n  /**\n   * Returns the context\n   * @return {RenderingContext}\n   */\n  getContext () {\n    return this._context\n  }\n\n  /**\n   * Sets the current canvas to the given one\n   * @param {Canvas} canvas\n   */\n  setCanvas (canvas) {\n    this._canvas = canvas\n    this._context = this._getContext()\n\n    this.emit('new-canvas', this._canvas)\n  }\n\n  /**\n   * Returns the canvas size after all operations have been applied\n   * @param {Array.<Operation>} stack\n   * @param {ImageDimensions} dimensions\n   */\n  getOutputDimensionsForStack (stack, dimensions) {\n    let size = new Vector2(this._image.width, this._image.height)\n    stack.forEach((operation) => {\n      size = operation.getNewDimensions(this, size)\n    })\n    if (dimensions) {\n      size = dimensions.calculateFinalDimensions(size)\n    }\n    return size\n  }\n\n  /**\n   * Returns the initial dimensions before any operations have been applied\n   * @param {Array.<Operation>} stack\n   * @param {ImageDimensions} dimensions\n   */\n  getInitialDimensionsForStack (stack, dimensions) {\n    return this.getOutputDimensionsForStack(stack, dimensions)\n  }\n\n  /**\n   * Sets the current context to the given one\n   * @param {RenderingContext2D} context\n   */\n  setContext (context) {\n    this._context = context\n  }\n\n  /**\n   * Resets the renderer\n   * @param {Boolean} resetCache = false\n   */\n  reset (resetCache=false) {\n\n  }\n\n  /**\n   * Gets called after the rendering has been done.\n   */\n  postRender (dimensions) {\n\n  }\n\n  setSize (size) { this._size.copy(size) }\n}\n\nexport default Renderer\n"]} |