/* global Image */
/*
* 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; Eif ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Iif (protoProps) defineProperties(Constructor.prototype, protoProps); Eif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
// istanbul ignore next
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
// istanbul ignore next
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
var _constants = require('../constants');
var _utils = require('./utils');
var _utils2 = _interopRequireDefault(_utils);
var _vendorPromise = require('../vendor/promise');
var _vendorPromise2 = _interopRequireDefault(_vendorPromise);
var _exif = require('./exif');
var _exif2 = _interopRequireDefault(_exif);
/**
* @class
* @alias ImglyKit.ImageExporter
* @private
*/
var ImageExporter = (function () {
function ImageExporter() {
_classCallCheck(this, ImageExporter);
}
_createClass(ImageExporter, null, [{
key: 'validateSettings',
value: function validateSettings(renderType, imageFormat) {
var settings = {
renderType: renderType,
imageFormat: imageFormat
};
// Validate RenderType
if (typeof settings.renderType !== 'undefined' && settings.renderType !== null && _utils2['default'].values(_constants.RenderType).indexOf(settings.renderType) === -1) {
throw new Error('Invalid render type: ' + settings.renderType);
} else if (typeof renderType === 'undefined') {
settings.renderType = _constants.RenderType.DATAURL;
}
// Validate ImageFormat
if (typeof settings.imageFormat !== 'undefined' && settings.imageFormat !== null && _utils2['default'].values(_constants.ImageFormat).indexOf(settings.imageFormat) === -1) {
throw new Error('Invalid image format: ' + settings.imageFormat);
} else if (typeof imageFormat === 'undefined') {
settings.imageFormat = _constants.ImageFormat.PNG;
}
// Render type 'buffer' only available in node
Iif (settings.renderType === _constants.RenderType.BUFFER && typeof process === 'undefined') {
throw new Error('Render type \'buffer\' is only available when using node.js');
}
return settings;
}
/**
* Exports the image from the given canvas with the given options
* @param {ImglyKit} kit
* @param {Image} image
* @param {Canvas} canvas
* @param {ImglyKit.RenderType} renderType
* @param {ImglyKit.ImageFormat} imageFormat
* @param {Number} quality = 0.8
* @return {Promise}
*/
}, {
key: 'export',
value: function _export(kit, image, canvas, renderType, imageFormat) {
var quality = arguments.length <= 5 || arguments[5] === undefined ? 0.8 : arguments[5];
return new _vendorPromise2['default'](function (resolve, reject) {
var result = undefined;
Eif (renderType === _constants.RenderType.IMAGE || renderType === _constants.RenderType.DATAURL) {
Eif (typeof window === 'undefined') {
// Quality not supported in node environment / node-canvas
result = canvas.toDataURL(imageFormat);
} else {
result = canvas.toDataURL(imageFormat, quality);
}
// When image's `src` attribute is a jpeg data url, we can restore
// the exif information
Iif (_exif2['default'].isJPEG(image.src) && _exif2['default'].isJPEG(result)) {
var exif = kit.exif;
if (exif) {
result = exif.restoreExifTags(result);
}
}
}
if (renderType === _constants.RenderType.IMAGE) {
var outputImage = undefined;
/* istanbul ignore else */
Eif (typeof window === 'undefined') {
// Not a browser environment
var CanvasImage = require('canvas').Image;
outputImage = new CanvasImage();
} else {
outputImage = new Image();
}
outputImage.src = result;
resolve(outputImage);
} else Eif (renderType === _constants.RenderType.DATAURL) {
resolve(result);
} else if (renderType === _constants.RenderType.BUFFER) {
resolve(canvas.toBuffer());
} else if (renderType === _constants.RenderType.MSBLOB) {
resolve(canvas.msToBlob());
} else if (renderType === _constants.RenderType.BLOB) {
canvas.toBlob(function (blob) {
resolve(blob);
}, imageFormat, quality);
}
});
}
}]);
return ImageExporter;
})();
exports['default'] = ImageExporter;
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 */\nimport { RenderType, ImageFormat } from '../constants'\nimport Utils from './utils'\nimport Promise from '../vendor/promise'\nimport Exif from './exif'\n\n/**\n * @class\n * @alias ImglyKit.ImageExporter\n * @private\n */\nclass ImageExporter {\n\n  static validateSettings (renderType, imageFormat) {\n    var settings = {\n      renderType: renderType,\n      imageFormat: imageFormat\n    }\n\n    // Validate RenderType\n    if ((typeof settings.renderType !== 'undefined' && settings.renderType !== null) &&\n        Utils.values(RenderType).indexOf(settings.renderType) === -1) {\n      throw new Error('Invalid render type: ' + settings.renderType)\n    } else if (typeof renderType === 'undefined') {\n      settings.renderType = RenderType.DATAURL\n    }\n\n    // Validate ImageFormat\n    if ((typeof settings.imageFormat !== 'undefined' && settings.imageFormat !== null) &&\n        Utils.values(ImageFormat).indexOf(settings.imageFormat) === -1) {\n      throw new Error('Invalid image format: ' + settings.imageFormat)\n    } else if (typeof imageFormat === 'undefined') {\n      settings.imageFormat = ImageFormat.PNG\n    }\n\n    // Render type 'buffer' only available in node\n    if (settings.renderType === RenderType.BUFFER &&\n        typeof process === 'undefined') {\n      throw new Error('Render type \\'buffer\\' is only available when using node.js')\n    }\n\n    return settings\n  }\n\n  /**\n   * Exports the image from the given canvas with the given options\n   * @param  {ImglyKit} kit\n   * @param  {Image} image\n   * @param  {Canvas} canvas\n   * @param  {ImglyKit.RenderType} renderType\n   * @param  {ImglyKit.ImageFormat} imageFormat\n   * @param  {Number} quality = 0.8\n   * @return {Promise}\n   */\n  static export (kit, image, canvas, renderType, imageFormat, quality=0.8) {\n    return new Promise((resolve, reject) => {\n      let result\n      if (renderType === RenderType.IMAGE ||\n          renderType === RenderType.DATAURL) {\n        if (typeof window === 'undefined') {\n          // Quality not supported in node environment / node-canvas\n          result = canvas.toDataURL(imageFormat)\n        } else {\n          result = canvas.toDataURL(imageFormat, quality)\n        }\n\n        // When image's `src` attribute is a jpeg data url, we can restore\n        // the exif information\n        if (Exif.isJPEG(image.src) && Exif.isJPEG(result)) {\n          const { exif } = kit\n          if (exif) {\n            result = exif.restoreExifTags(result)\n          }\n        }\n      }\n\n      if (renderType === RenderType.IMAGE) {\n        let outputImage\n\n        /* istanbul ignore else  */\n        if (typeof window === 'undefined') {\n          // Not a browser environment\n          var CanvasImage = require('canvas').Image\n          outputImage = new CanvasImage()\n        } else {\n          outputImage = new Image()\n        }\n\n        outputImage.src = result\n        resolve(outputImage)\n      } else if (renderType === RenderType.DATAURL) {\n        resolve(result)\n      } else if (renderType === RenderType.BUFFER) {\n        resolve(canvas.toBuffer())\n      } else if (renderType === RenderType.MSBLOB) {\n        resolve(canvas.msToBlob())\n      } else if (renderType === RenderType.BLOB) {\n        canvas.toBlob((blob) => {\n          resolve(blob)\n        }, imageFormat, quality)\n      }\n    })\n  }\n}\n\nexport default ImageExporter\n"]} |