TheDesk Riina (ver.3)
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app/node_modules/jimp/browser/src/jimp-wrapper.js
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app/node_modules/jimp/browser/src/jimp-wrapper.js
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// The MIT License (MIT)
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//
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// Copyright (c) 2015 Phil Seaton
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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if (!self.Buffer && !window.Buffer){
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throw new Error("Node's Buffer() not available");
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} else if (!self.Jimp && !window.Jimp) {
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throw new Error("Could not Jimp object");
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}
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(function(){
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function fetchImageDataFromUrl(url, cb) {
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// Fetch image data via xhr. Note that this will not work
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// without cross-domain allow-origin headers because of CORS restrictions
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var xhr = new XMLHttpRequest();
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xhr.open( "GET", url, true );
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xhr.responseType = "arraybuffer";
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xhr.onload = function() {
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if (xhr.status < 400) cb(this.response,null);
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else cb(null,"HTTP Status " + xhr.status + " for url "+url);
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};
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xhr.onerror = function(e){
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cb(null,e);
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};
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xhr.send();
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};
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function bufferFromArrayBuffer(arrayBuffer) {
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// Prepare a Buffer object from the arrayBuffer. Necessary in the browser > node conversion,
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// But this function is not useful when running in node directly
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var buffer = new Buffer(arrayBuffer.byteLength);
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var view = new Uint8Array(arrayBuffer);
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for (var i = 0; i < buffer.length; ++i) {
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buffer[i] = view[i];
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}
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return buffer;
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}
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function isArrayBuffer(test) {
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return Object.prototype.toString.call(test).toLowerCase().indexOf("arraybuffer") > -1;
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}
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// delete the write method
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delete Jimp.prototype.write;
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// Override the nodejs implementation of Jimp.read()
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delete Jimp.read;
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Jimp.read = function(src, cb) {
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return new Promise(function(resolve, reject) {
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cb = cb || function(err, image) {
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if (err) reject(err);
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else resolve(image);
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};
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if ("string" == typeof src) {
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// Download via xhr
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fetchImageDataFromUrl(src,function(arrayBuffer,error){
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if (arrayBuffer) {
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if (!isArrayBuffer(arrayBuffer)) {
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cb(new Error("Unrecognized data received for " + src));
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} else {
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new Jimp(bufferFromArrayBuffer(arrayBuffer),cb);
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}
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} else if (error) {
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cb(error);
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}
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});
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} else if (isArrayBuffer(src)) {
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// src is an ArrayBuffer already
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new Jimp(bufferFromArrayBuffer(src), cb);
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} else {
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// src is not a string or ArrayBuffer
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cb(new Error("Jimp expects a single ArrayBuffer or image URL"));
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}
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});
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}
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})();
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