mirror of
https://github.com/Yetangitu/owncloud-apps.git
synced 2025-10-02 14:49:17 +02:00
2894 lines
100 KiB
Text
2894 lines
100 KiB
Text
var CBRJS = {};
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CBRJS.VERSION = "0.0.1";
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CBRJS.Render = {};
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CBRJS.reader = {};
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CBRJS.Reader = function(bookPath, _options) {
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var $progressbar = $('.bar');
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function extractImages(url, opts) {
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var images = [];
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var xhr = new XMLHttpRequest();
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var re_file_ext = new RegExp(/\.([a-z]+)$/);
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var filename = decodeURIComponent(url.split('/').pop());
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var archive_class = ({ cbz: 'Unzipper', cbr: 'Unrarrer' })[filename.toLowerCase().match(re_file_ext)[1]];
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var options = $.extend({
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start: function () {},
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extract: function (page_url) {},
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progress: function (percent_complete) {},
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finish: function (images) {},
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}, opts);
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if (!archive_class) {
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alert('invalid file type, only cbz and cbr are supported.');
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return false;
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}
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xhr.responseType = "arraybuffer";
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xhr.open('GET',url, true);
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options.start(filename);
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console.log("filename: " + filename);
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xhr.onprogress = function (e) {
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if (e.lengthComputable) {
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$progressbar.css('width', Math.floor((e.loaded / e.total) * 100) + '%');
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}
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}
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xhr.onloadstart = function (e) {
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$progressbar.css('width', '0%');
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}
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xhr.onload = function () {
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if ((this.status === 200) && this.response) {
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var done = false;
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var ua = new bitjs.archive[archive_class](this.response, 'vendor/bitjs/');
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ua.addEventListener(bitjs.archive.UnarchiveEvent.Type.START, function (e) {
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$progressbar.css('width', '0%');
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});
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ua.addEventListener(bitjs.archive.UnarchiveEvent.Type.EXTRACT, function (e) {
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var mimetype, blob, url;
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var file_extension = e.unarchivedFile.filename.toLowerCase().match(re_file_ext)[1];
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switch (file_extension) {
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case 'jpg':
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case 'jpeg':
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mimetype = 'image/jpeg';
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break;
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case 'png':
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mimetype = 'image/png';
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break;
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case 'gif':
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mimetype = 'image/gif';
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break;
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default:
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return false;
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}
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blob = new Blob([e.unarchivedFile.fileData], { type: mimetype });
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url = window.URL.createObjectURL(blob);
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images.push(url);
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options.extract(url, blob);
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console.log(url, file_extension);
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});
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ua.addEventListener(bitjs.archive.UnarchiveEvent.Type.PROGRESS, function (e) {
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options.progress(Math.floor(e.currentBytesUnarchived / e.totalUncompressedBytesInArchive * 100));
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});
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ua.addEventListener(bitjs.archive.UnarchiveEvent.Type.FINISH, function (e) {
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options.finish(images);
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});
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ua.addEventListener(bitjs.archive.UnarchiveEvent.Type.ERROR, function (e) {
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$('#message').text('Failed to extract images from archive, file corrupted?');
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});
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}
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ua.start();
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};
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xhr.send();
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}
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function openComicArchive(url) {
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console.log("openComicArchive " + url);
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var title, page = 0;
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extractImages(url, {
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start: function (filename) {
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this.filename = filename;
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$('#message').text('Opening ' + filename);
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$('#progressbar').show();
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},
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extract: function (url, blob) {
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// $('body').append($('<img>').attr('src', url).css('width', '10px'));
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console.log(url, Math.floor(blob.size / 1024));
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$('#message').text('extracting page #' + ++page);
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},
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progress: function (percent_complete) {
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$progressbar.css('width', percent_complete + '%');
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},
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finish: function (pages) {
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var name = this.filename.replace(/\.[a-z]+$/, '');
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var id = encodeURIComponent(name.toLowerCase());
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var book = new ComicBook('cbreader', pages, {vendorPath: 'vendor/'});
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document.title = name;
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$('#progressbar').hide();
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$('#cbreader').show();
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book.draw();
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$(window).on('resize', function () {
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book.draw();
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});
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}
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});
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}
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openComicArchive(bookPath);
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return this;
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};
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/*!
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* Pixastic - JavaScript Image Processing
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* http://pixastic.com/
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* Copyright 2012, Jacob Seidelin
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*
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* Dual licensed under the MPL 1.1 or GPLv3 licenses.
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* http://pixastic.com/license-mpl.txt
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* http://pixastic.com/license-gpl-3.0.txt
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*
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*/
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var Pixastic = (function() {
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var worker;
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function createImageData(ctx, width, height) {
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if (ctx.createImageData) {
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return ctx.createImageData(width, height);
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} else {
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return ctx.getImageData(0, 0, width, height);
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}
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}
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function Pixastic(ctx, workerControlPath) {
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var P = {},
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width = ctx.canvas.width,
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height = ctx.canvas.height,
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queue = [],
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workerControlPath = workerControlPath || "vendor/pixastic/";
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if (!worker) {
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if (typeof window.Worker != "undefined") {
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try {
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worker = new window.Worker(workerControlPath + "pixastic.worker.control.js");
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} catch(e) {
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if (location.protocol == "file:") {
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Pixastic.log("Could not create native worker, running from file://")
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} else {
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Pixastic.log("Could not create native worker.")
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}
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}
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}
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if (!worker) {
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worker = new Pixastic.Worker();
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}
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}
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for (var e in Pixastic.Effects) {
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if (Pixastic.Effects.hasOwnProperty(e)) {
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(function(e) {
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P[e] = function(options) {
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queue.push({
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effect : e,
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options : options
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});
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return P;
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}
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P.done = function(callback, progress) {
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var inData, outData;
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try {
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inData = ctx.getImageData(0, 0, width, height);
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} catch(e) {
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if (location.protocol == "file:") {
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throw new Error("Could not access image data, running from file://");
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} else {
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throw new Error("Could not access image data, is canvas tainted by cross-origin data?");
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}
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}
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outData = createImageData(ctx, width, height);
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worker.postMessage({
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queue : queue,
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inData : inData,
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outData : outData,
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width : width,
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height : height
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});
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worker.onmessage = function(message) {
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var d = message.data;
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switch (d.event) {
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case "done" :
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ctx.putImageData(d.data, 0, 0);
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if (callback) {
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callback();
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}
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if (progress) {
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progress(1);
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}
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break;
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case "progress" :
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if (progress) {
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progress(d.data);
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}
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break;
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case "error" :
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break;
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}
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}
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if (progress) {
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progress(0);
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}
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}
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})(e);
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}
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}
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return P;
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}
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Pixastic.Worker = function() {
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var me = this;
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function processMessage(data) {
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var queue = data.queue,
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inData = data.inData,
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outData = data.outData,
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width = data.width,
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height = data.height,
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tmpData;
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for (var i=0;i<queue.length;i++) {
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var e = queue[i].effect,
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options = queue[i].options,
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progressCallback;
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if (i > 0) {
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tmpData = inData;
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inData = outData;
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outData = tmpData;
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}
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if (typeof importScripts == "function") {
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progressCallback = function(p) {
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me.onmessage({
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data : {
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event : "progress",
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data : (i + p) / queue.length
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}
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});
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return p;
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}
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}
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Pixastic.Effects[e](inData.data, outData.data, width, height, options, progressCallback);
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me.onmessage({
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data : {
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event : "progress",
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data : (i+1) / queue.length
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}
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});
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}
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me.onmessage({
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data : {
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event : "done",
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data : outData
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}
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});
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}
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this.postMessage = function(data) {
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setTimeout(function() {
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processMessage(data)
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}, 0);
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};
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this.onmessage = function() {};
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}
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Pixastic.log = function(str) {
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if (typeof console != "undefined" && console.log) {
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console.log("Pixastic: " + str);
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}
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};
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function toCanvas(o) {
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var canvas;
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if (typeof o == "object") {
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if (typeof o.tagName == "string") {
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if (o.tagName.toLowerCase() == "canvas" || o.tagName.toLowerCase() == "img") {
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canvas = document.createElement("canvas");
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canvas.width = o.width;
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canvas.height = o.height;
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canvas.getContext("2d").drawImage(o, 0,0);
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}
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} else if ((window.ImageData && o instanceof window.ImageData)
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|| (typeof o.width == "number" && typeof o.height == "number" && typeof o.data == "object")) {
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canvas = document.createElement("canvas");
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canvas.width = o.width;
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canvas.height = o.height;
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canvas.getContext("2d").putImageData(o, 0, 0);
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}
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}
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return canvas;
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};
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function toImage(o) {
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var canvas = toCanvas(o),
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image = new Image();
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image.width = canvas.width;
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image.height = canvas.height;
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image.src = canvas.toDataURL();
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return image;
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};
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function toImageData(o) {
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var canvas = toCanvas(o),
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ctx = canvas.getContext("2d");
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return ctx.getImageData(0, 0, canvas.width, canvas.height);
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};
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function histogram(imageData) {
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var values = [],
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i, p,
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data = imageData.data,
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round = Math.round,
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maxValue,
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n = imageData.width * imageData.height;
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for (i=0;i<256;i++) {
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values[i] = 0;
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}
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for (i=0;i<n;i++) {
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p = i * 4;
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values[ round((data[p]+data[p+1]+data[p+2])/3) ]++;
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}
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maxValue = 0;
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for (i=0;i<256;i++) {
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if (values[i] > maxValue) {
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maxValue = values[i];
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}
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}
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return {
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maxValue : maxValue,
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values : values
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};
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}
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Pixastic.toCanvas = toCanvas;
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Pixastic.toImage = toImage;
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Pixastic.toImageData = toImageData;
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Pixastic.histogram = histogram;
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Pixastic.Color = {
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rgb2hsl : function(r, g, b) {
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if (r < 0) r = 0;
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if (g < 0) g = 0;
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if (b < 0) b = 0;
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if (r > 255) r = 0;
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if (g > 255) g = 0;
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if (b > 255) b = 0;
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},
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rgb2hsv : function(r, g, b) {
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},
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rgb2hex : function(r, g, b) {
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},
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hsl2rgb : function(h, s, l) {
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},
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hsv2rgb : function(h, s, v) {
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}
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}
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return Pixastic;
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})();
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Pixastic.Effects = (function() {
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function defaultOptions(options, defaults) {
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var O = {};
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for (var opt in defaults) {
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if (typeof options[opt] == "undefined") {
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O[opt] = defaults[opt];
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} else {
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O[opt] = options[opt];
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}
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}
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return O;
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}
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function clamp(val, min, max) {
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return Math.min(max, Math.max(min, val));
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}
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function convolve3x3(inData, outData, width, height, kernel, progress, alpha, invert, mono) {
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var idx, r, g, b, a,
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pyc, pyp, pyn,
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pxc, pxp, pxn,
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x, y,
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prog, lastProg = 0,
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n = width * height * 4,
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k00 = kernel[0][0], k01 = kernel[0][1], k02 = kernel[0][2],
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k10 = kernel[1][0], k11 = kernel[1][1], k12 = kernel[1][2],
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k20 = kernel[2][0], k21 = kernel[2][1], k22 = kernel[2][2],
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p00, p01, p02,
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p10, p11, p12,
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p20, p21, p22;
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for (y=0;y<height;++y) {
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pyc = y * width * 4;
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pyp = pyc - width * 4;
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pyn = pyc + width * 4;
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if (y < 1) pyp = pyc;
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if (y >= width-1) pyn = pyc;
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for (x=0;x<width;++x) {
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idx = (y * width + x) * 4;
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pxc = x * 4;
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pxp = pxc - 4;
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pxn = pxc + 4;
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if (x < 1) pxp = pxc;
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if (x >= width-1) pxn = pxc;
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p00 = pyp + pxp; p01 = pyp + pxc; p02 = pyp + pxn;
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p10 = pyc + pxp; p11 = pyc + pxc; p12 = pyc + pxn;
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p20 = pyn + pxp; p21 = pyn + pxc; p22 = pyn + pxn;
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r = inData[p00] * k00 + inData[p01] * k01 + inData[p02] * k02
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+ inData[p10] * k10 + inData[p11] * k11 + inData[p12] * k12
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+ inData[p20] * k20 + inData[p21] * k21 + inData[p22] * k22;
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g = inData[p00 + 1] * k00 + inData[p01 + 1] * k01 + inData[p02 + 1] * k02
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+ inData[p10 + 1] * k10 + inData[p11 + 1] * k11 + inData[p12 + 1] * k12
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+ inData[p20 + 1] * k20 + inData[p21 + 1] * k21 + inData[p22 + 1] * k22;
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b = inData[p00 + 2] * k00 + inData[p01 + 2] * k01 + inData[p02 + 2] * k02
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+ inData[p10 + 2] * k10 + inData[p11 + 2] * k11 + inData[p12 + 2] * k12
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+ inData[p20 + 2] * k20 + inData[p21 + 2] * k21 + inData[p22 + 2] * k22;
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if (alpha) {
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a = inData[p00 + 3] * k00 + inData[p01 + 3] * k01 + inData[p02 + 3] * k02
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+ inData[p10 + 3] * k10 + inData[p11 + 3] * k11 + inData[p12 + 3] * k12
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+ inData[p20 + 3] * k20 + inData[p21 + 3] * k21 + inData[p22 + 3] * k22;
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} else {
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a = inData[idx+3];
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}
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if (mono) {
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r = g = b = (r + g + b) / 3;
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}
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if (invert) {
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r = 255 - r;
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g = 255 - g;
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b = 255 - b;
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}
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outData[idx] = r;
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outData[idx+1] = g;
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outData[idx+2] = b;
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outData[idx+3] = a;
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if (progress) {
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prog = (idx/n*100 >> 0) / 100;
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if (prog > lastProg) {
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lastProg = progress(prog);
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}
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}
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}
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}
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}
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function convolve5x5(inData, outData, width, height, kernel, progress, alpha, invert, mono) {
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var idx, r, g, b, a,
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pyc, pyp, pyn, pypp, pynn,
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pxc, pxp, pxn, pxpp, pxnn,
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x, y,
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prog, lastProg = 0,
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n = width * height * 4,
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k00 = kernel[0][0], k01 = kernel[0][1], k02 = kernel[0][2], k03 = kernel[0][3], k04 = kernel[0][4],
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k10 = kernel[1][0], k11 = kernel[1][1], k12 = kernel[1][2], k13 = kernel[1][3], k14 = kernel[1][4],
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k20 = kernel[2][0], k21 = kernel[2][1], k22 = kernel[2][2], k23 = kernel[2][3], k24 = kernel[2][4],
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k30 = kernel[3][0], k31 = kernel[3][1], k32 = kernel[3][2], k33 = kernel[3][3], k34 = kernel[3][4],
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k40 = kernel[4][0], k41 = kernel[4][1], k42 = kernel[4][2], k43 = kernel[4][3], k44 = kernel[4][4],
|
|
|
|
p00, p01, p02, p03, p04,
|
|
p10, p11, p12, p13, p14,
|
|
p20, p21, p22, p23, p24,
|
|
p30, p31, p32, p33, p34,
|
|
p40, p41, p42, p43, p44;
|
|
|
|
for (y=0;y<height;++y) {
|
|
pyc = y * width * 4;
|
|
pyp = pyc - width * 4;
|
|
pypp = pyc - width * 4 * 2;
|
|
pyn = pyc + width * 4;
|
|
pynn = pyc + width * 4 * 2;
|
|
|
|
if (y < 1) pyp = pyc;
|
|
if (y >= width-1) pyn = pyc;
|
|
if (y < 2) pypp = pyp;
|
|
if (y >= width-2) pynn = pyn;
|
|
|
|
for (x=0;x<width;++x) {
|
|
idx = (y * width + x) * 4;
|
|
|
|
pxc = x * 4;
|
|
pxp = pxc - 4;
|
|
pxn = pxc + 4;
|
|
pxpp = pxc - 8;
|
|
pxnn = pxc + 8;
|
|
|
|
if (x < 1) pxp = pxc;
|
|
if (x >= width-1) pxn = pxc;
|
|
if (x < 2) pxpp = pxp;
|
|
if (x >= width-2) pxnn = pxn;
|
|
|
|
p00 = pypp + pxpp; p01 = pypp + pxp; p02 = pypp + pxc; p03 = pypp + pxn; p04 = pypp + pxnn;
|
|
p10 = pyp + pxpp; p11 = pyp + pxp; p12 = pyp + pxc; p13 = pyp + pxn; p14 = pyp + pxnn;
|
|
p20 = pyc + pxpp; p21 = pyc + pxp; p22 = pyc + pxc; p23 = pyc + pxn; p24 = pyc + pxnn;
|
|
p30 = pyn + pxpp; p31 = pyn + pxp; p32 = pyn + pxc; p33 = pyn + pxn; p34 = pyn + pxnn;
|
|
p40 = pynn + pxpp; p41 = pynn + pxp; p42 = pynn + pxc; p43 = pynn + pxn; p44 = pynn + pxnn;
|
|
|
|
r = inData[p00] * k00 + inData[p01] * k01 + inData[p02] * k02 + inData[p03] * k04 + inData[p02] * k04
|
|
+ inData[p10] * k10 + inData[p11] * k11 + inData[p12] * k12 + inData[p13] * k14 + inData[p12] * k14
|
|
+ inData[p20] * k20 + inData[p21] * k21 + inData[p22] * k22 + inData[p23] * k24 + inData[p22] * k24
|
|
+ inData[p30] * k30 + inData[p31] * k31 + inData[p32] * k32 + inData[p33] * k34 + inData[p32] * k34
|
|
+ inData[p40] * k40 + inData[p41] * k41 + inData[p42] * k42 + inData[p43] * k44 + inData[p42] * k44;
|
|
|
|
g = inData[p00+1] * k00 + inData[p01+1] * k01 + inData[p02+1] * k02 + inData[p03+1] * k04 + inData[p02+1] * k04
|
|
+ inData[p10+1] * k10 + inData[p11+1] * k11 + inData[p12+1] * k12 + inData[p13+1] * k14 + inData[p12+1] * k14
|
|
+ inData[p20+1] * k20 + inData[p21+1] * k21 + inData[p22+1] * k22 + inData[p23+1] * k24 + inData[p22+1] * k24
|
|
+ inData[p30+1] * k30 + inData[p31+1] * k31 + inData[p32+1] * k32 + inData[p33+1] * k34 + inData[p32+1] * k34
|
|
+ inData[p40+1] * k40 + inData[p41+1] * k41 + inData[p42+1] * k42 + inData[p43+1] * k44 + inData[p42+1] * k44;
|
|
|
|
b = inData[p00+2] * k00 + inData[p01+2] * k01 + inData[p02+2] * k02 + inData[p03+2] * k04 + inData[p02+2] * k04
|
|
+ inData[p10+2] * k10 + inData[p11+2] * k11 + inData[p12+2] * k12 + inData[p13+2] * k14 + inData[p12+2] * k14
|
|
+ inData[p20+2] * k20 + inData[p21+2] * k21 + inData[p22+2] * k22 + inData[p23+2] * k24 + inData[p22+2] * k24
|
|
+ inData[p30+2] * k30 + inData[p31+2] * k31 + inData[p32+2] * k32 + inData[p33+2] * k34 + inData[p32+2] * k34
|
|
+ inData[p40+2] * k40 + inData[p41+2] * k41 + inData[p42+2] * k42 + inData[p43+2] * k44 + inData[p42+2] * k44;
|
|
|
|
if (alpha) {
|
|
a = inData[p00+3] * k00 + inData[p01+3] * k01 + inData[p02+3] * k02 + inData[p03+3] * k04 + inData[p02+3] * k04
|
|
+ inData[p10+3] * k10 + inData[p11+3] * k11 + inData[p12+3] * k12 + inData[p13+3] * k14 + inData[p12+3] * k14
|
|
+ inData[p20+3] * k20 + inData[p21+3] * k21 + inData[p22+3] * k22 + inData[p23+3] * k24 + inData[p22+3] * k24
|
|
+ inData[p30+3] * k30 + inData[p31+3] * k31 + inData[p32+3] * k32 + inData[p33+3] * k34 + inData[p32+3] * k34
|
|
+ inData[p40+3] * k40 + inData[p41+3] * k41 + inData[p42+3] * k42 + inData[p43+3] * k44 + inData[p42+3] * k44;
|
|
} else {
|
|
a = inData[idx+3];
|
|
}
|
|
|
|
if (mono) {
|
|
r = g = b = (r + g + b) / 3;
|
|
}
|
|
|
|
if (invert) {
|
|
r = 255 - r;
|
|
g = 255 - g;
|
|
b = 255 - b;
|
|
}
|
|
|
|
outData[idx] = r;
|
|
outData[idx+1] = g;
|
|
outData[idx+2] = b;
|
|
outData[idx+3] = a;
|
|
|
|
if (progress) {
|
|
prog = (idx/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function gaussian(inData, outData, width, height, kernelSize, progress) {
|
|
var r, g, b, a, idx,
|
|
n = width * height * 4,
|
|
x, y, i, j,
|
|
inx, iny, w,
|
|
tmpData = [],
|
|
maxKernelSize = 13,
|
|
kernelSize = clamp(kernelSize, 3, maxKernelSize),
|
|
k1 = -kernelSize / 2 + (kernelSize % 2 ? 0.5 : 0),
|
|
k2 = kernelSize + k1,
|
|
weights,
|
|
kernels = [[1]],
|
|
prog, lastProg = 0;
|
|
|
|
|
|
for (i=1;i<maxKernelSize;++i) {
|
|
kernels[0][i] = 0;
|
|
}
|
|
|
|
for (i=1;i<maxKernelSize;++i) {
|
|
kernels[i] = [1];
|
|
for (j=1;j<maxKernelSize;++j) {
|
|
kernels[i][j] = kernels[i-1][j] + kernels[i-1][j-1];
|
|
}
|
|
}
|
|
|
|
weights = kernels[kernelSize - 1]
|
|
|
|
for (i=0,w=0;i<kernelSize;++i) {
|
|
w += weights[i];
|
|
}
|
|
for (i=0;i<kernelSize;++i) {
|
|
weights[i] /= w;
|
|
}
|
|
|
|
// pass 1
|
|
for (y=0;y<height;++y) {
|
|
for (x=0;x<width;++x) {
|
|
r = g = b = a = 0;
|
|
|
|
for (i=k1;i<k2;++i) {
|
|
inx = x + i;
|
|
iny = y;
|
|
w = weights[i - k1];
|
|
|
|
if (inx < 0) {
|
|
inx = 0;
|
|
}
|
|
if (inx >= width) {
|
|
inx = width - 1;
|
|
}
|
|
|
|
idx = (iny * width + inx) * 4;
|
|
|
|
r += inData[idx] * w;
|
|
g += inData[idx + 1] * w;
|
|
b += inData[idx + 2] * w;
|
|
a += inData[idx + 3] * w;
|
|
|
|
}
|
|
|
|
idx = (y * width + x) * 4;
|
|
|
|
tmpData[idx] = r;
|
|
tmpData[idx+1] = g;
|
|
tmpData[idx+2] = b;
|
|
tmpData[idx+3] = a;
|
|
|
|
if (progress) {
|
|
prog = (idx/n*50 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
lastProg = 0;
|
|
|
|
// pass 2
|
|
for (y=0;y<height;++y) {
|
|
for (x=0;x<width;++x) {
|
|
r = g = b = a = 0;
|
|
|
|
for (i=k1;i<k2;++i) {
|
|
inx = x;
|
|
iny = y + i;
|
|
w = weights[i - k1];
|
|
|
|
if (iny < 0) {
|
|
iny = 0;
|
|
}
|
|
if (iny >= height) {
|
|
iny = height - 1;
|
|
}
|
|
|
|
idx = (iny * width + inx) * 4;
|
|
|
|
r += tmpData[idx] * w;
|
|
g += tmpData[idx + 1] * w;
|
|
b += tmpData[idx + 2] * w;
|
|
a += tmpData[idx + 3] * w;
|
|
}
|
|
|
|
idx = (y * width + x) * 4;
|
|
|
|
outData[idx] = r;
|
|
outData[idx+1] = g;
|
|
outData[idx+2] = b;
|
|
outData[idx+3] = a;
|
|
|
|
if (progress) {
|
|
prog = 0.5 + (idx/n*50 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
return {
|
|
|
|
invert : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
prog, lastProg = 0;
|
|
|
|
for (i=0;i<n;i+=4) {
|
|
outData[i] = 255 - inData[i];
|
|
outData[i+1] = 255 - inData[i+1];
|
|
outData[i+2] = 255 - inData[i+2];
|
|
outData[i+3] = inData[i+3];
|
|
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
sepia : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
r, g, b;
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
r = inData[i];
|
|
g = inData[i+1];
|
|
b = inData[i+2];
|
|
outData[i] = (r * 0.393 + g * 0.769 + b * 0.189);
|
|
outData[i+1] = (r * 0.349 + g * 0.686 + b * 0.168);
|
|
outData[i+2] = (r * 0.272 + g * 0.534 + b * 0.131);
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
solarize : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
r, g, b;
|
|
|
|
for (i=0;i<n;i+=4) {
|
|
r = inData[i];
|
|
g = inData[i+1];
|
|
b = inData[i+2];
|
|
|
|
outData[i] = r > 127 ? 255 - r : r;
|
|
outData[i+1] = g > 127 ? 255 - g : g;
|
|
outData[i+2] = b > 127 ? 255 - b : b;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
brightness : function(inData, outData, width, height, options, progress) {
|
|
options = defaultOptions(options, {
|
|
brightness : 0,
|
|
contrast : 0
|
|
});
|
|
|
|
var contrast = clamp(options.contrast, -1, 1) / 2,
|
|
brightness = 1 + clamp(options.brightness, -1, 1),
|
|
prog, lastProg = 0,
|
|
r, g, b,
|
|
n = width * height * 4;
|
|
|
|
var brightMul = brightness < 0 ? - brightness : brightness;
|
|
var brightAdd = brightness < 0 ? 0 : brightness;
|
|
|
|
contrast = 0.5 * Math.tan((contrast + 1) * Math.PI/4);
|
|
contrastAdd = - (contrast - 0.5) * 255;
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
r = inData[i];
|
|
g = inData[i+1];
|
|
b = inData[i+2];
|
|
|
|
r = (r + r * brightMul + brightAdd) * contrast + contrastAdd;
|
|
g = (g + g * brightMul + brightAdd) * contrast + contrastAdd;
|
|
b = (b + b * brightMul + brightAdd) * contrast + contrastAdd;
|
|
|
|
outData[i] = r;
|
|
outData[i+1] = g;
|
|
outData[i+2] = b;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
desaturate : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
level;
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
level = inData[i] * 0.3 + inData[i+1] * 0.59 + inData[i+2] * 0.11;
|
|
outData[i] = level;
|
|
outData[i+1] = level;
|
|
outData[i+2] = level;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
lighten : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
mul = 1 + clamp(options.amount, 0, 1);
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
outData[i] = inData[i] * mul;
|
|
outData[i+1] = inData[i+1] * mul;
|
|
outData[i+2] = inData[i+2] * mul;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
noise : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
amount = clamp(options.amount, 0, 1),
|
|
strength = clamp(options.strength, 0, 1),
|
|
mono = !!options.mono,
|
|
random = Math.random,
|
|
rnd, r, g, b;
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
r = inData[i];
|
|
g = inData[i+1];
|
|
b = inData[i+2];
|
|
|
|
rnd = random();
|
|
|
|
if (rnd < amount) {
|
|
if (mono) {
|
|
rnd = strength * ((rnd / amount) * 2 - 1) * 255;
|
|
r += rnd;
|
|
g += rnd;
|
|
b += rnd;
|
|
} else {
|
|
r += strength * random() * 255;
|
|
g += strength * random() * 255;
|
|
b += strength * random() * 255;
|
|
}
|
|
}
|
|
|
|
outData[i] = r;
|
|
outData[i+1] = g;
|
|
outData[i+2] = b;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
flipv : function(inData, outData, width, height, options, progress) {
|
|
var inPix, outPix,
|
|
n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
x, y;
|
|
for (y=0;y<height;++y) {
|
|
for (x=0;x<width;++x) {
|
|
inPix = (y * width + x) * 4;
|
|
outPix = (y * width + (width - x - 1)) * 4;
|
|
|
|
outData[outPix] = inData[inPix];
|
|
outData[outPix+1] = inData[inPix+1];
|
|
outData[outPix+2] = inData[inPix+2];
|
|
outData[outPix+3] = inData[inPix+3];
|
|
|
|
if (progress) {
|
|
prog = (inPix/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
fliph : function(inData, outData, width, height, options, progress) {
|
|
var inPix, outPix,
|
|
n = width * height * 4,
|
|
prog, lastProg = 0,
|
|
x, y;
|
|
for (y=0;y<height;++y) {
|
|
for (x=0;x<width;++x) {
|
|
inPix = (y * width + x) * 4;
|
|
outPix = ((height - y - 1) * width + x) * 4;
|
|
|
|
outData[outPix] = inData[inPix];
|
|
outData[outPix+1] = inData[inPix+1];
|
|
outData[outPix+2] = inData[inPix+2];
|
|
outData[outPix+3] = inData[inPix+3];
|
|
|
|
if (progress) {
|
|
prog = (inPix/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
blur : function(inData, outData, width, height, options, progress) {
|
|
gaussian(inData, outData, width, height, options.kernelSize, progress);
|
|
},
|
|
|
|
glow : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
i, r, g, b,
|
|
amount = options.amount,
|
|
tmpData = [],
|
|
gaussProgress,
|
|
prog, lastProg = 0;
|
|
|
|
if (progress) {
|
|
gaussProgress = function(p) {
|
|
progress(p * 0.8);
|
|
return p;
|
|
}
|
|
}
|
|
|
|
gaussian(inData, tmpData, width, height, options.kernelSize, gaussProgress);
|
|
|
|
for (i=0;i<n;i+=4) {
|
|
r = inData[i] + tmpData[i] * amount;
|
|
g = inData[i+1] + tmpData[i+1] * amount;
|
|
b = inData[i+2] + tmpData[i+2] * amount;
|
|
if (r > 255) r = 255;
|
|
if (g > 255) g = 255;
|
|
if (b > 255) b = 255;
|
|
outData[i] = r;
|
|
outData[i+1] = g;
|
|
outData[i+2] = b;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = 0.8 + (i/n*100 >> 0) / 100 * 0.2;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
convolve3x3 : function(inData, outData, width, height, options, progress) {
|
|
convolve3x3(inData, outData, width, height, options.kernel, progress);
|
|
},
|
|
|
|
convolve5x5 : function(inData, outData, width, height, options, progress) {
|
|
convolve5x5(inData, outData, width, height, options.kernel, progress);
|
|
},
|
|
|
|
// A 3x3 high-pass filter
|
|
sharpen3x3 : function(inData, outData, width, height, options, progress) {
|
|
var a = - clamp(options.strength, 0, 1);
|
|
convolve3x3(
|
|
inData, outData, width, height,
|
|
[[a, a, a],
|
|
[a, 1-a*8, a],
|
|
[a, a, a]],
|
|
progress
|
|
);
|
|
},
|
|
|
|
// A 5x5 high-pass filter
|
|
sharpen5x5 : function(inData, outData, width, height, options, progress) {
|
|
var a = - clamp(options.strength, 0, 1);
|
|
convolve5x5(
|
|
inData, outData, width, height,
|
|
[[a, a, a, a, a],
|
|
[a, a, a, a, a],
|
|
[a, a, 1-a*24, a, a],
|
|
[a, a, a, a, a],
|
|
[a, a, a, a, a]],
|
|
progress
|
|
);
|
|
},
|
|
|
|
// A 3x3 low-pass mean filter
|
|
soften3x3 : function(inData, outData, width, height, options, progress) {
|
|
var c = 1/9;
|
|
convolve3x3(
|
|
inData, outData, width, height,
|
|
[[c, c, c],
|
|
[c, c, c],
|
|
[c, c, c]],
|
|
progress
|
|
);
|
|
},
|
|
|
|
// A 5x5 low-pass mean filter
|
|
soften5x5 : function(inData, outData, width, height, options, progress) {
|
|
var c = 1/25;
|
|
convolve5x5(
|
|
inData, outData, width, height,
|
|
[[c, c, c, c, c],
|
|
[c, c, c, c, c],
|
|
[c, c, c, c, c],
|
|
[c, c, c, c, c],
|
|
[c, c, c, c, c]],
|
|
progress
|
|
);
|
|
},
|
|
|
|
// A 3x3 Cross edge-detect
|
|
crossedges : function(inData, outData, width, height, options, progress) {
|
|
var a = clamp(options.strength, 0, 1) * 5
|
|
convolve3x3(
|
|
inData, outData, width, height,
|
|
[[ 0, -a, 0],
|
|
[-a, 0, a],
|
|
[ 0, a, 0]],
|
|
progress,
|
|
false, true
|
|
);
|
|
},
|
|
|
|
// 3x3 directional emboss
|
|
emboss : function(inData, outData, width, height, options, progress) {
|
|
var amount = options.amount,
|
|
angle = options.angle,
|
|
x = Math.cos(-angle) * amount,
|
|
y = Math.sin(-angle) * amount,
|
|
n = width * height * 4,
|
|
|
|
a00 = -x - y,
|
|
a10 = -x,
|
|
a20 = y - x,
|
|
a01 = -y,
|
|
a21 = y,
|
|
a02 = -y + x,
|
|
a12 = x,
|
|
a22 = y + x,
|
|
|
|
tmpData = [],
|
|
|
|
prog, lastProg = 0,
|
|
convProgress;
|
|
|
|
if (progress) {
|
|
convProgress = function(p) {
|
|
progress(p * 0.5)
|
|
return p;
|
|
};
|
|
}
|
|
|
|
convolve3x3(
|
|
inData, tmpData, width, height,
|
|
[[a00, a01, a02],
|
|
[a10, 0, a12],
|
|
[a20, a21, a22]]
|
|
);
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
outData[i] = 128 + tmpData[i];
|
|
outData[i+1] = 128 + tmpData[i+1];
|
|
outData[i+2] = 128 + tmpData[i+2];
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = 0.5 + (i/n*100 >> 0) / 100 * 0.5;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
// A 3x3 Sobel edge detect (similar to Photoshop's)
|
|
findedges : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
i,
|
|
data1 = [],
|
|
data2 = [],
|
|
gr1, gr2, gg1, gg2, gb1, gb2,
|
|
prog, lastProg = 0,
|
|
convProgress1, convProgress2;
|
|
|
|
if (progress) {
|
|
convProgress1 = function(p) {
|
|
progress(p * 0.4);
|
|
return p;
|
|
};
|
|
convProgress2 = function(p) {
|
|
progress(0.4 + p * 0.4);
|
|
return p;
|
|
};
|
|
}
|
|
|
|
convolve3x3(inData, data1, width, height,
|
|
[[-1, 0, 1],
|
|
[-2, 0, 2],
|
|
[-1, 0, 1]]
|
|
);
|
|
convolve3x3(inData, data2, width, height,
|
|
[[-1, -2, -1],
|
|
[ 0, 0, 0],
|
|
[ 1, 2, 1]]
|
|
);
|
|
|
|
for (i=0;i<n;i+=4) {
|
|
gr1 = data1[i];
|
|
gr2 = data2[i];
|
|
gg1 = data1[i+1];
|
|
gg2 = data2[i+1];
|
|
gb1 = data1[i+2];
|
|
gb2 = data2[i+2];
|
|
|
|
if (gr1 < 0) gr1 = -gr1;
|
|
if (gr2 < 0) gr2 = -gr2;
|
|
if (gg1 < 0) gg1 = -gg1;
|
|
if (gg2 < 0) gg2 = -gg2;
|
|
if (gb1 < 0) gb1 = -gb1;
|
|
if (gb2 < 0) gb2 = -gb2;
|
|
|
|
outData[i] = 255 - (gr1 + gr2) * 0.8;
|
|
outData[i+1] = 255 - (gg1 + gg2) * 0.8;
|
|
outData[i+2] = 255 - (gb1 + gb2) * 0.8;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = 0.8 + (i/n*100 >> 0) / 100 * 0.2;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
// A 3x3 edge enhance
|
|
edgeenhance3x3 : function(inData, outData, width, height, options, progress) {
|
|
convolve3x3(
|
|
inData, outData, width, height,
|
|
[[-1/9, -1/9, -1/9],
|
|
[-1/9, 17/9, -1/9],
|
|
[-1/9, -1/9, -1/9]],
|
|
progress
|
|
);
|
|
},
|
|
|
|
// A 5x5 edge enhance
|
|
edgeenhance5x5 : function(inData, outData, width, height, options, progress) {
|
|
convolve5x5(
|
|
inData, outData, width, height,
|
|
[[-1/25, -1/25, -1/25, -1/25, -1/25],
|
|
[-1/25, -1/25, -1/25, -1/25, -1/25],
|
|
[-1/25, -1/25, 49/25, -1/25, -1/25],
|
|
[-1/25, -1/25, -1/25, -1/25, -1/25],
|
|
[-1/25, -1/25, -1/25, -1/25, -1/25]],
|
|
progress
|
|
);
|
|
},
|
|
|
|
// A 3x3 Laplacian edge-detect
|
|
laplace3x3 : function(inData, outData, width, height, options, progress) {
|
|
convolve3x3(
|
|
inData, outData, width, height,
|
|
[[-1, -1, -1],
|
|
[-1, 8, -1],
|
|
[-1, -1, -1]],
|
|
progress,
|
|
false, true, true
|
|
);
|
|
},
|
|
|
|
// A 5x5 Laplacian edge-detect
|
|
laplace5x5 : function(inData, outData, width, height, options, progress) {
|
|
convolve5x5(
|
|
inData, outData, width, height,
|
|
[[-1, -1, -1, -1, -1],
|
|
[-1, -1, -1, -1, -1],
|
|
[-1, -1, 24, -1, -1],
|
|
[-1, -1, -1, -1, -1],
|
|
[-1, -1, -1, -1, -1]],
|
|
progress,
|
|
false, true, true
|
|
);
|
|
},
|
|
|
|
coloradjust : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
r, g, b,
|
|
prog, lastProg = 0,
|
|
ar = clamp(options.r, -1, 1) * 255,
|
|
ag = clamp(options.g, -1, 1) * 255,
|
|
ab = clamp(options.b, -1, 1) * 255;
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
r = inData[i] + ar;
|
|
g = inData[i+1] + ag;
|
|
b = inData[i+2] + ab;
|
|
if (r < 0) r = 0;
|
|
if (g < 0) g = 0;
|
|
if (b < 0) b = 0;
|
|
if (r > 255) r = 255;
|
|
if (g > 255) g = 255;
|
|
if (b > 255) b = 255;
|
|
outData[i] = r;
|
|
outData[i+1] = g;
|
|
outData[i+2] = b;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
colorfilter : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
i, r, g, b,
|
|
luminosity = !!options.luminosity,
|
|
prog, lastProg = 0,
|
|
min, max, h, l, h1, chroma, tmp, m,
|
|
ar = clamp(options.r, 0, 1),
|
|
ag = clamp(options.g, 0, 1),
|
|
ab = clamp(options.b, 0, 1);
|
|
|
|
for (i=0;i<n;i+=4) {
|
|
r = inData[i] / 255;
|
|
g = inData[i+1] / 255;
|
|
b = inData[i+2] / 255;
|
|
|
|
l = r * 0.3 + g * 0.59 + b * 0.11;
|
|
|
|
r = (r + r * ar) / 2;
|
|
g = (g + g * ag) / 2;
|
|
b = (b + b * ab) / 2;
|
|
|
|
if (luminosity) {
|
|
min = max = r;
|
|
if (g > max) max = g;
|
|
if (b > max) max = b;
|
|
if (g < min) min = g;
|
|
if (b < min) min = b;
|
|
chroma = (max - min);
|
|
|
|
if (r == max) {
|
|
h = ((g - b) / chroma) % 6;
|
|
} else if (g == max) {
|
|
h = ((b - r) / chroma) + 2;
|
|
} else {
|
|
h = ((r - g) / chroma) + 4;
|
|
}
|
|
|
|
h1 = h >> 0;
|
|
tmp = chroma * (h - h1);
|
|
r = g = b = l - (r * 0.3 + g * 0.59 + b * 0.11);
|
|
|
|
if (h1 == 0) {
|
|
r += chroma;
|
|
g += tmp;
|
|
} else if (h1 == 1) {
|
|
r += chroma - tmp;
|
|
g += chroma;
|
|
} else if (h1 == 2) {
|
|
g += chroma;
|
|
b += tmp;
|
|
} else if (h1 == 3) {
|
|
g += chroma - tmp;
|
|
b += chroma;
|
|
} else if (h1 == 4) {
|
|
r += tmp;
|
|
b += chroma;
|
|
} else if (h1 == 5) {
|
|
r += chroma;
|
|
b += chroma - tmp;
|
|
}
|
|
}
|
|
|
|
outData[i] = r * 255;
|
|
outData[i+1] = g * 255;
|
|
outData[i+2] = b * 255;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
hsl : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height * 4,
|
|
hue = clamp(options.hue, -1, 1),
|
|
saturation = clamp(options.saturation, -1, 1),
|
|
lightness = clamp(options.lightness, -1, 1),
|
|
satMul = 1 + saturation * (saturation < 0 ? 1 : 2),
|
|
lightMul = lightness < 0 ? 1 + lightness : 1 - lightness,
|
|
lightAdd = lightness < 0 ? 0 : lightness * 255,
|
|
vs, ms, vm, h, s, l, v, m, vmh, sextant,
|
|
prog, lastProg = 0;
|
|
|
|
hue = (hue * 6) % 6;
|
|
|
|
for (var i=0;i<n;i+=4) {
|
|
|
|
r = inData[i];
|
|
g = inData[i+1];
|
|
b = inData[i+2];
|
|
|
|
if (hue != 0 || saturation != 0) {
|
|
// ok, here comes rgb to hsl + adjust + hsl to rgb, all in one jumbled mess.
|
|
// It's not so pretty, but it's been optimized to get somewhat decent performance.
|
|
// The transforms were originally adapted from the ones found in Graphics Gems, but have been heavily modified.
|
|
vs = r;
|
|
if (g > vs) vs = g;
|
|
if (b > vs) vs = b;
|
|
ms = r;
|
|
if (g < ms) ms = g;
|
|
if (b < ms) ms = b;
|
|
vm = (vs-ms);
|
|
l = (ms+vs)/510;
|
|
|
|
if (l > 0 && vm > 0) {
|
|
if (l <= 0.5) {
|
|
s = vm / (vs+ms) * satMul;
|
|
if (s > 1) s = 1;
|
|
v = (l * (1+s));
|
|
} else {
|
|
s = vm / (510-vs-ms) * satMul;
|
|
if (s > 1) s = 1;
|
|
v = (l+s - l*s);
|
|
}
|
|
if (r == vs) {
|
|
if (g == ms) {
|
|
h = 5 + ((vs-b)/vm) + hue;
|
|
} else {
|
|
h = 1 - ((vs-g)/vm) + hue;
|
|
}
|
|
} else if (g == vs) {
|
|
if (b == ms) {
|
|
h = 1 + ((vs-r)/vm) + hue;
|
|
} else {
|
|
h = 3 - ((vs-b)/vm) + hue;
|
|
}
|
|
} else {
|
|
if (r == ms) {
|
|
h = 3 + ((vs-g)/vm) + hue;
|
|
} else {
|
|
h = 5 - ((vs-r)/vm) + hue;
|
|
}
|
|
}
|
|
if (h < 0) h += 6;
|
|
if (h >= 6) h -= 6;
|
|
m = (l + l - v);
|
|
sextant = h >> 0;
|
|
vmh = (v - m) * (h - sextant);
|
|
if (sextant == 0) {
|
|
r = v;
|
|
g = m + vmh;
|
|
b = m;
|
|
} else if (sextant == 1) {
|
|
r = v - vmh;
|
|
g = v;
|
|
b = m;
|
|
} else if (sextant == 2) {
|
|
r = m;
|
|
g = v;
|
|
b = m + vmh;
|
|
} else if (sextant == 3) {
|
|
r = m;
|
|
g = v - vmh;
|
|
b = v;
|
|
} else if (sextant == 4) {
|
|
r = m + vmh;
|
|
g = m;
|
|
b = v;
|
|
} else if (sextant == 5) {
|
|
r = v;
|
|
g = m;
|
|
b = v - vmh;
|
|
}
|
|
|
|
r *= 255;
|
|
g *= 255;
|
|
b *= 255;
|
|
}
|
|
}
|
|
|
|
r = r * lightMul + lightAdd;
|
|
g = g * lightMul + lightAdd;
|
|
b = b * lightMul + lightAdd;
|
|
|
|
if (r < 0) r = 0;
|
|
if (g < 0) g = 0;
|
|
if (b < 0) b = 0;
|
|
if (r > 255) r = 255;
|
|
if (g > 255) g = 255;
|
|
if (b > 255) b = 255;
|
|
|
|
outData[i] = r;
|
|
outData[i+1] = g;
|
|
outData[i+2] = b;
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
posterize : function(inData, outData, width, height, options, progress) {
|
|
var numLevels = clamp(options.levels, 2, 256),
|
|
numAreas = 256 / numLevels,
|
|
numValues = 256 / (numLevels-1),
|
|
r, g, b,
|
|
n = width * height * 4,
|
|
prog, lastProg = 0;
|
|
|
|
for (i=0;i<n;i+=4) {
|
|
|
|
outData[i] = numValues * ((inData[i] / numAreas)>>0);
|
|
outData[i+1] = numValues * ((inData[i+1] / numAreas)>>0);
|
|
outData[i+2] = numValues * ((inData[i+2] / numAreas)>>0);
|
|
|
|
outData[i+3] = inData[i+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
removenoise : function(inData, outData, width, height, options, progress) {
|
|
var r, g, b, c, y, x, idx,
|
|
pyc, pyp, pyn,
|
|
pxc, pxp, pxn,
|
|
minR, minG, minB, maxR, maxG, maxB,
|
|
n, prog, lastProg = 0;
|
|
|
|
n = width * height * 4;
|
|
|
|
for (y=0;y<height;++y) {
|
|
pyc = y * width * 4;
|
|
pyp = pyc - width * 4;
|
|
pyn = pyc + width * 4;
|
|
|
|
if (y < 1) pyp = pyc;
|
|
if (y >= width-1) pyn = pyc;
|
|
|
|
for (x=0;x<width;++x) {
|
|
idx = (y * width + x) * 4;
|
|
|
|
pxc = x * 4;
|
|
pxp = pxc - 4;
|
|
pxn = pxc + 4;
|
|
|
|
if (x < 1) pxp = pxc;
|
|
if (x >= width-1) pxn = pxc;
|
|
|
|
minR = maxR = inData[pyc + pxp];
|
|
c = inData[pyc + pxn];
|
|
if (c < minR) minR = c;
|
|
if (c > maxR) maxR = c;
|
|
c = inData[pyp + pxc];
|
|
if (c < minR) minR = c;
|
|
if (c > maxR) maxR = c;
|
|
c = inData[pyn + pxc];
|
|
if (c < minR) minR = c;
|
|
if (c > maxR) maxR = c;
|
|
|
|
minG = inData[pyc + pxp + 1];
|
|
c = inData[pyc + pxn + 1];
|
|
if (c < minG) minG = c;
|
|
c = inData[pyp + pxc + 1];
|
|
if (c < minG) minG = c;
|
|
c = inData[pyn + pxc + 1];
|
|
if (c < minG) minG = c;
|
|
|
|
minB = inData[pyc + pxp + 2];
|
|
c = inData[pyc + pxn + 2];
|
|
if (c < minB) minB = c;
|
|
c = inData[pyp + pxc + 2];
|
|
if (c < minB) minB = c;
|
|
c = inData[pyn + pxc + 2];
|
|
if (c < minB) minB = c;
|
|
|
|
r = inData[idx]
|
|
g = inData[idx + 1]
|
|
b = inData[idx + 2]
|
|
|
|
if (r < minR) r = minR;
|
|
if (r > maxR) r = maxR;
|
|
if (g < minG) g = minG;
|
|
if (g > maxG) g = maxG;
|
|
if (b < minB) b = minB;
|
|
if (b > maxB) b = maxB;
|
|
|
|
outData[idx] = r;
|
|
outData[idx+1] = g;
|
|
outData[idx+2] = b;
|
|
outData[idx+3] = inData[idx+3];
|
|
|
|
if (progress) {
|
|
prog = (idx/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
mosaic : function(inData, outData, width, height, options, progress) {
|
|
|
|
var blockSize = clamp(options.blockSize, 1, Math.max(width, height)),
|
|
yBlocks = Math.ceil(height / blockSize),
|
|
xBlocks = Math.ceil(width / blockSize),
|
|
y0, y1, x0, x1, idx, pidx,
|
|
n = yBlocks * xBlocks,
|
|
prog, lastProg = 0;
|
|
|
|
for (i=0, y0=0, bidx=0;i<yBlocks;i++) {
|
|
y1 = clamp(y0 + blockSize, 0, height);
|
|
for(j=0, x0=0;j<xBlocks;j++,bidx++) {
|
|
x1 = clamp(x0 + blockSize, 0, width);
|
|
|
|
idx = (y0 * width + x0) << 2;
|
|
var r = inData[idx], g = inData[idx+1], b = inData[idx+2];
|
|
|
|
for(bi=y0;bi<y1;bi++) {
|
|
for(bj=x0;bj<x1;bj++) {
|
|
pidx = (bi*width+bj) << 2;
|
|
outData[pidx] = r, outData[pidx+1] = g, outData[pidx+2] = b;
|
|
outData[pidx+3] = inData[pidx+3];
|
|
}
|
|
}
|
|
|
|
x0 = x1;
|
|
|
|
if (progress) {
|
|
prog = (bidx/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
y0 = y1;
|
|
}
|
|
},
|
|
|
|
equalize : function(inData, outData, width, height, options, progress) {
|
|
var n = width * height, p, i, level, ratio,
|
|
prog, lastProg;
|
|
var round = Math.round;
|
|
// build histogram
|
|
var pdf = new Array(256);
|
|
for (i=0;i<256;i++) {
|
|
pdf[i] = 0;
|
|
}
|
|
|
|
for (i=0;i<n;i++) {
|
|
p = i * 4;
|
|
level = clamp(round(inData[p] * 0.3 + inData[p+1] * 0.59 + inData[p+2] * 0.11), 0, 255);
|
|
outData[p+3] = level;
|
|
pdf[ level ]++;
|
|
}
|
|
|
|
// build cdf
|
|
var cdf = new Array(256);
|
|
cdf[0] = pdf[0];
|
|
for(i=1;i<256;i++) {
|
|
cdf[i] = cdf[i-1] + pdf[i];
|
|
}
|
|
|
|
// normalize cdf
|
|
for(i=0;i<256;i++) {
|
|
cdf[i] = cdf[i] / n * 255.0;
|
|
}
|
|
|
|
// map the pixel values
|
|
for (i=0;i<n;i++) {
|
|
p = i * 4;
|
|
level = outData[p+3];
|
|
ratio = cdf[level] / (level || 1);
|
|
outData[p] = clamp(round(inData[p] * ratio), 0, 255);
|
|
outData[p+1] = clamp(round(inData[p+1] * ratio), 0, 255);
|
|
outData[p+2] = clamp(round(inData[p+2] * ratio), 0, 255);
|
|
outData[p+3] = inData[p+3];
|
|
|
|
if (progress) {
|
|
prog = (i/n*100 >> 0) / 100;
|
|
if (prog > lastProg) {
|
|
lastProg = progress(prog);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
})();
|
|
|
|
|
|
Pixastic.Worker = function() {
|
|
var me = this;
|
|
function processMessage(data) {
|
|
var queue = data.queue,
|
|
inData = data.inData,
|
|
outData = data.outData,
|
|
width = data.width,
|
|
height = data.height,
|
|
tmpData;
|
|
|
|
for (var i=0;i<queue.length;i++) {
|
|
var e = queue[i].effect,
|
|
options = queue[i].options;
|
|
|
|
if (i > 0) {
|
|
tmpData = inData;
|
|
inData = outData;
|
|
outData = tmpData;
|
|
}
|
|
|
|
Pixastic.Effects[e](inData.data, outData.data, width, height, options);
|
|
|
|
me.onmessage({
|
|
data : {
|
|
event : "progress",
|
|
data : (i+1) / queue.length
|
|
}
|
|
});
|
|
}
|
|
|
|
me.onmessage({
|
|
data : {
|
|
event : "done",
|
|
data : outData
|
|
}
|
|
});
|
|
}
|
|
|
|
this.postMessage = function(data) {
|
|
setTimeout(function() {
|
|
processMessage(data)
|
|
}, 0);
|
|
}
|
|
|
|
this.onmessage = function() {};
|
|
|
|
}
|
|
|
|
var ComicBook = (function($) {
|
|
|
|
'use strict';
|
|
|
|
/**
|
|
* Merge two arrays. Any properties in b will replace the same properties in
|
|
* a. New properties from b will be added to a.
|
|
*
|
|
* @param a {Object}
|
|
* @param b {Object}
|
|
*/
|
|
function merge(a, b) {
|
|
|
|
var prop;
|
|
|
|
if (typeof b === 'undefined') {
|
|
b = {};
|
|
}
|
|
|
|
for (prop in a) {
|
|
if (a.hasOwnProperty(prop)) {
|
|
if (prop in b) {
|
|
continue;
|
|
}
|
|
b[prop] = a[prop];
|
|
}
|
|
}
|
|
|
|
return b;
|
|
}
|
|
|
|
/**
|
|
* Exception class. Always throw an instance of this when throwing exceptions.
|
|
*
|
|
* @param {String} type
|
|
* @param {Object} object
|
|
* @returns {ComicBookException}
|
|
*/
|
|
var ComicBookException = {
|
|
INVALID_ACTION: 'invalid action',
|
|
INVALID_PAGE: 'invalid page',
|
|
INVALID_PAGE_TYPE: 'invalid page type',
|
|
UNDEFINED_CONTROL: 'undefined control',
|
|
INVALID_ZOOM_MODE: 'invalid zoom mode',
|
|
INVALID_NAVIGATION_EVENT: 'invalid navigation event'
|
|
};
|
|
|
|
function ComicBook(id, srcs, opts) {
|
|
|
|
var self = this;
|
|
var canvas_id = id; // canvas element id
|
|
this.srcs = srcs; // array of image srcs for pages
|
|
|
|
var defaults = {
|
|
displayMode: 'double', // single / double
|
|
zoomMode: 'fitWindow', // manual / fitWidth / fitWindow
|
|
manga: false, // true / false
|
|
enhance: {},
|
|
keyboard: {
|
|
next: 78,
|
|
previous: 80,
|
|
toolbar: 84,
|
|
toggleLayout: 76
|
|
},
|
|
vendorPath: 'vendor/',
|
|
forward_buffer: 3
|
|
};
|
|
|
|
this.isMobile = false;
|
|
|
|
// mobile enhancements
|
|
if (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini|Mobile/i.test(navigator.userAgent)) {
|
|
this.isMobile = true;
|
|
document.body.classList.add('mobile');
|
|
defaults.displayMode = 'single';
|
|
|
|
window.addEventListener('load', function() {
|
|
setTimeout(function() {
|
|
window.scrollTo(0, 1);
|
|
}, 0);
|
|
});
|
|
}
|
|
|
|
var options = merge(defaults, opts); // options array for internal use
|
|
|
|
var no_pages = srcs.length;
|
|
var pages = []; // array of preloaded Image objects
|
|
var canvas; // the HTML5 canvas object
|
|
var context; // the 2d drawing context
|
|
var loaded = []; // the images that have been loaded so far
|
|
var scale = 1; // page zoom scale, 1 = 100%
|
|
var is_double_page_spread = false;
|
|
var controlsRendered = false; // have the user controls been inserted into the dom yet?
|
|
var page_requested = false; // used to request non preloaded pages
|
|
var shiv = false;
|
|
|
|
/**
|
|
* Gets the window.innerWidth - scrollbars
|
|
*/
|
|
function windowWidth() {
|
|
|
|
var height = window.innerHeight + 1;
|
|
|
|
if (shiv === false) {
|
|
shiv = $(document.createElement('div'))
|
|
.attr('id', 'cb-width-shiv')
|
|
.css({
|
|
width: '100%',
|
|
position: 'absolute',
|
|
top: 0,
|
|
zIndex: '-1000'
|
|
});
|
|
|
|
$('body').append(shiv);
|
|
}
|
|
|
|
shiv.height(height);
|
|
|
|
return shiv.innerWidth();
|
|
}
|
|
|
|
/**
|
|
* enables the back button
|
|
*/
|
|
function checkHash() {
|
|
|
|
var hash = getHash();
|
|
|
|
if (hash !== pointer && loaded.indexOf(hash) > -1) {
|
|
pointer = hash;
|
|
self.draw();
|
|
}
|
|
}
|
|
|
|
function getHash() {
|
|
var hash = parseInt(location.hash.substring(1), 10) - 1 || 0;
|
|
if (hash < 0) {
|
|
setHash(0);
|
|
hash = 0;
|
|
}
|
|
return hash;
|
|
}
|
|
|
|
function setHash(pageNo) {
|
|
location.hash = pageNo;
|
|
}
|
|
|
|
// page hash on first load
|
|
var hash = getHash();
|
|
|
|
// the current page, can pass a default as a url hash
|
|
var pointer = (hash < srcs.length) ? hash : 0;
|
|
|
|
/**
|
|
* Setup the canvas element for use throughout the class.
|
|
*
|
|
* @see #ComicBook.prototype.draw
|
|
* @see #ComicBook.prototype.enhance
|
|
*/
|
|
function init() {
|
|
|
|
// setup canvas
|
|
canvas = document.getElementById(canvas_id);
|
|
context = canvas.getContext('2d');
|
|
|
|
// render user controls
|
|
if (controlsRendered === false) {
|
|
self.renderControls();
|
|
controlsRendered = true;
|
|
}
|
|
|
|
// add page controls
|
|
window.addEventListener('keydown', self.navigation, false);
|
|
window.addEventListener('hashchange', checkHash, false);
|
|
}
|
|
|
|
window.addEventListener('touchstart', function(e) {
|
|
var $el = $(e.target);
|
|
if ($el.attr('id') === 'comic') {
|
|
self.toggleToolbar();
|
|
}
|
|
if ($el.data('toggle') === 'dropdown') {
|
|
$el.siblings('.dropdown').toggle();
|
|
}
|
|
}, false);
|
|
|
|
/**
|
|
* Render Handlebars templates. Templates with data-trigger & data-action will
|
|
* have the specified events bound.
|
|
*/
|
|
ComicBook.prototype.renderControls = function() {
|
|
|
|
var controls = {},
|
|
$toolbar;
|
|
|
|
$.each(Handlebars.templates, function(name, template) {
|
|
|
|
var $template = $(template().trim());
|
|
controls[name] = $template;
|
|
|
|
// add event listeners to controls that specify callbacks
|
|
$template.find('*').andSelf().filter('[data-action][data-trigger]').each(function() {
|
|
|
|
var $this = $(this);
|
|
var trigger = $this.data('trigger');
|
|
var action = $this.data('action');
|
|
|
|
// trigger a direct method if exists
|
|
if (typeof self[$this.data('action')] === 'function') {
|
|
$this.on(trigger, self[action]);
|
|
}
|
|
|
|
// throw an event to be caught outside if the app code
|
|
$this.on(trigger, function(e) {
|
|
$(self).trigger(trigger, e);
|
|
});
|
|
});
|
|
|
|
$(canvas).before($template);
|
|
});
|
|
|
|
this.controls = controls;
|
|
|
|
$toolbar = this.getControl('toolbar');
|
|
$toolbar
|
|
.find('.manga-' + options.manga).show().end()
|
|
.find('.manga-' + !options.manga).hide().end()
|
|
.find('.layout').hide().end().find('.layout-' + options.displayMode).show();
|
|
|
|
};
|
|
|
|
ComicBook.prototype.getControl = function(control) {
|
|
if (typeof this.controls[control] !== 'object') {
|
|
throw ComicBookException.UNDEFINED_CONTROL + ' ' + control;
|
|
}
|
|
return this.controls[control];
|
|
};
|
|
|
|
ComicBook.prototype.showControl = function(control) {
|
|
this.getControl(control).show().addClass('open');
|
|
};
|
|
|
|
ComicBook.prototype.hideControl = function(control) {
|
|
this.getControl(control).removeClass('open').hide();
|
|
};
|
|
|
|
ComicBook.prototype.toggleControl = function(control) {
|
|
this.getControl(control).toggle().toggleClass('open');
|
|
};
|
|
|
|
ComicBook.prototype.toggleLayout = function() {
|
|
|
|
var $toolbar = self.getControl('toolbar');
|
|
var displayMode = (options.displayMode === 'single') ? 'double' : 'single';
|
|
|
|
options.displayMode = displayMode;
|
|
|
|
$toolbar.find('.layout').hide().end().find('.layout-' + options.displayMode).show();
|
|
|
|
self.drawPage();
|
|
};
|
|
|
|
/**
|
|
* Get the image for a given page.
|
|
*
|
|
* @return Image
|
|
*/
|
|
ComicBook.prototype.getPage = function(i) {
|
|
|
|
if (i < 0 || i > srcs.length - 1) {
|
|
throw ComicBookException.INVALID_PAGE + ' ' + i;
|
|
}
|
|
|
|
if (typeof pages[i] === 'object') {
|
|
return pages[i];
|
|
} else {
|
|
page_requested = i;
|
|
this.showControl('loadingOverlay');
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @see #preload
|
|
*/
|
|
ComicBook.prototype.draw = function() {
|
|
|
|
init();
|
|
|
|
// resize navigation controls
|
|
$('.navigate').outerHeight(window.innerHeight);
|
|
$('#cb-loading-overlay').outerWidth(windowWidth()).height(window.innerHeight);
|
|
|
|
// preload images if needed
|
|
if (pages.length !== no_pages) {
|
|
this.preload();
|
|
} else {
|
|
this.drawPage();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Zoom the canvas
|
|
*
|
|
* @param new_scale {Number} Scale the canvas to this ratio
|
|
*/
|
|
ComicBook.prototype.zoom = function(new_scale) {
|
|
options.zoomMode = 'manual';
|
|
scale = new_scale;
|
|
if (typeof this.getPage(pointer) === 'object') {
|
|
this.drawPage();
|
|
}
|
|
};
|
|
|
|
ComicBook.prototype.zoomIn = function() {
|
|
self.zoom(scale + 0.1);
|
|
};
|
|
|
|
ComicBook.prototype.zoomOut = function() {
|
|
self.zoom(scale - 0.1);
|
|
};
|
|
|
|
ComicBook.prototype.fitWidth = function() {
|
|
options.zoomMode = 'fitWidth';
|
|
self.drawPage();
|
|
};
|
|
|
|
ComicBook.prototype.fitWindow = function() {
|
|
options.zoomMode = 'fitWindow';
|
|
self.drawPage();
|
|
};
|
|
|
|
/**
|
|
* Preload all images, draw the page only after a given number have been loaded.
|
|
*
|
|
* @see #drawPage
|
|
*/
|
|
ComicBook.prototype.preload = function() {
|
|
|
|
var i = pointer; // the current page counter for this method
|
|
var rendered = false;
|
|
var queue = [];
|
|
|
|
this.showControl('loadingOverlay');
|
|
|
|
function loadImage(i) {
|
|
|
|
var page = new Image();
|
|
page.src = srcs[i];
|
|
|
|
page.onload = function() {
|
|
|
|
pages[i] = this;
|
|
loaded.push(i);
|
|
|
|
$('#cb-progress-bar .progressbar-value').css('width', Math.floor((loaded.length / no_pages) * 100) + '%');
|
|
|
|
// double page mode needs an extra page added
|
|
var buffer = (options.displayMode === 'double' && pointer < srcs.length - 1) ? 1 : 0;
|
|
|
|
// start rendering the comic when the requested page is ready
|
|
if ((rendered === false && ($.inArray(pointer + buffer, loaded) !== -1) ||
|
|
(typeof page_requested === 'number' && $.inArray(page_requested, loaded) !== -1))) {
|
|
// if the user is waiting for a page to be loaded, render that one instead of the default pointer
|
|
if (typeof page_requested === 'number') {
|
|
pointer = page_requested - 1;
|
|
page_requested = false;
|
|
}
|
|
|
|
self.drawPage();
|
|
self.hideControl('loadingOverlay');
|
|
rendered = true;
|
|
}
|
|
|
|
if (queue.length) {
|
|
loadImage(queue[0]);
|
|
queue.splice(0, 1);
|
|
} else {
|
|
$('#cb-status').delay(500).fadeOut();
|
|
}
|
|
};
|
|
}
|
|
|
|
// loads pages in both directions so you don't have to wait for all pages
|
|
// to be loaded before you can scroll backwards
|
|
function preload(start, stop) {
|
|
|
|
var j = 0;
|
|
var count = 1;
|
|
var forward = start;
|
|
var backward = start - 1;
|
|
|
|
while (forward <= stop) {
|
|
|
|
if (count > options.forward_buffer && backward > -1) {
|
|
queue.push(backward);
|
|
backward--;
|
|
count = 0;
|
|
} else {
|
|
queue.push(forward);
|
|
forward++;
|
|
}
|
|
count++;
|
|
}
|
|
|
|
while (backward > -1) {
|
|
queue.push(backward);
|
|
backward--;
|
|
}
|
|
|
|
loadImage(queue[j]);
|
|
}
|
|
|
|
preload(i, srcs.length - 1);
|
|
};
|
|
|
|
ComicBook.prototype.pageLoaded = function(page_no) {
|
|
return (typeof loaded[page_no - 1] !== 'undefined');
|
|
};
|
|
|
|
/**
|
|
* Draw the current page in the canvas
|
|
*/
|
|
ComicBook.prototype.drawPage = function(page_no, reset_scroll) {
|
|
|
|
var scrollY;
|
|
|
|
reset_scroll = (typeof reset_scroll !== 'undefined') ? reset_scroll : true;
|
|
scrollY = reset_scroll ? 0 : window.scrollY;
|
|
|
|
// if a specific page is given try to render it, if not bail and wait for preload() to render it
|
|
if (typeof page_no === 'number' && page_no < srcs.length && page_no > 0) {
|
|
pointer = page_no - 1;
|
|
if (!this.pageLoaded(page_no)) {
|
|
this.showControl('loadingOverlay');
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (pointer < 0) {
|
|
pointer = 0;
|
|
}
|
|
|
|
var zoom_scale;
|
|
var offsetW = 0,
|
|
offsetH = 0;
|
|
|
|
var page = self.getPage(pointer);
|
|
var page2 = false;
|
|
|
|
if (options.displayMode === 'double' && pointer < srcs.length - 1) {
|
|
page2 = self.getPage(pointer + 1);
|
|
}
|
|
|
|
if (typeof page !== 'object') {
|
|
throw ComicBookException.INVALID_PAGE_TYPE + ' ' + typeof page;
|
|
}
|
|
|
|
var width = page.width,
|
|
height = page.height;
|
|
|
|
// reset the canvas to stop duplicate pages showing
|
|
canvas.width = 0;
|
|
canvas.height = 0;
|
|
|
|
// show double page spreads on a single page
|
|
is_double_page_spread = (
|
|
typeof page2 === 'object' &&
|
|
(page.width > page.height || page2.width > page2.height) &&
|
|
options.displayMode === 'double'
|
|
);
|
|
if (is_double_page_spread) {
|
|
options.displayMode = 'single';
|
|
}
|
|
|
|
if (options.displayMode === 'double') {
|
|
|
|
// for double page spreads, factor in the width of both pages
|
|
if (typeof page2 === 'object') {
|
|
width += page2.width;
|
|
}
|
|
|
|
// if this is the last page and there is no page2, still keep the canvas wide
|
|
else {
|
|
width += width;
|
|
}
|
|
}
|
|
|
|
// update the page scale if a non manual mode has been chosen
|
|
switch (options.zoomMode) {
|
|
|
|
case 'manual':
|
|
document.body.style.overflowX = 'auto';
|
|
zoom_scale = (options.displayMode === 'double') ? scale * 2 : scale;
|
|
break;
|
|
|
|
case 'fitWidth':
|
|
document.body.style.overflowX = 'hidden';
|
|
|
|
// scale up if the window is wider than the page, scale down if the window
|
|
// is narrower than the page
|
|
zoom_scale = (windowWidth() > width) ? ((windowWidth() - width) / windowWidth()) + 1 : windowWidth() / width;
|
|
|
|
// update the interal scale var so switching zoomModes while zooming will be smooth
|
|
scale = zoom_scale;
|
|
break;
|
|
|
|
case 'fitWindow':
|
|
document.body.style.overflowX = 'hidden';
|
|
|
|
var width_scale = (windowWidth() > width) ?
|
|
((windowWidth() - width) / windowWidth()) + 1 // scale up if the window is wider than the page
|
|
:
|
|
windowWidth() / width; // scale down if the window is narrower than the page
|
|
var windowHeight = window.innerHeight;
|
|
var height_scale = (windowHeight > height) ?
|
|
((windowHeight - height) / windowHeight) + 1 // scale up if the window is wider than the page
|
|
:
|
|
windowHeight / height; // scale down if the window is narrower than the page
|
|
|
|
zoom_scale = (width_scale > height_scale) ? height_scale : width_scale;
|
|
scale = zoom_scale;
|
|
break;
|
|
|
|
default:
|
|
throw ComicBookException.INVALID_ZOOM_MODE + ' ' + options.zoomMode;
|
|
}
|
|
|
|
var canvas_width = page.width * zoom_scale;
|
|
var canvas_height = page.height * zoom_scale;
|
|
|
|
var page_width = (options.zoomMode === 'manual') ? page.width * scale : canvas_width;
|
|
var page_height = (options.zoomMode === 'manual') ? page.height * scale : canvas_height;
|
|
|
|
canvas_height = page_height;
|
|
|
|
// make sure the canvas is always at least full screen, even if the page is more narrow than the screen
|
|
canvas.width = (canvas_width < windowWidth()) ? windowWidth() : canvas_width;
|
|
canvas.height = (canvas_height < window.innerHeight) ? window.innerHeight : canvas_height;
|
|
|
|
// always keep pages centered
|
|
if (options.zoomMode === 'manual' || options.zoomMode === 'fitWindow') {
|
|
|
|
// work out a horizontal position
|
|
if (canvas_width < windowWidth()) {
|
|
offsetW = (windowWidth() - page_width) / 2;
|
|
if (options.displayMode === 'double') {
|
|
offsetW = offsetW - page_width / 2;
|
|
}
|
|
}
|
|
|
|
// work out a vertical position
|
|
if (canvas_height < window.innerHeight) {
|
|
offsetH = (window.innerHeight - page_height) / 2;
|
|
}
|
|
}
|
|
|
|
// in manga double page mode reverse the page(s)
|
|
if (options.manga && options.displayMode === 'double' && typeof page2 === 'object') {
|
|
var tmpPage = page;
|
|
var tmpPage2 = page2;
|
|
page = tmpPage2;
|
|
page2 = tmpPage;
|
|
}
|
|
|
|
// draw the page(s)
|
|
context.drawImage(page, offsetW, offsetH, page_width, page_height);
|
|
if (options.displayMode === 'double' && typeof page2 === 'object') {
|
|
context.drawImage(page2, page_width + offsetW, offsetH, page_width, page_height);
|
|
}
|
|
|
|
this.pixastic = new Pixastic(context, options.vendorPath + 'pixastic/');
|
|
|
|
// apply any image enhancements previously defined
|
|
$.each(options.enhance, function(action, options) {
|
|
self.enhance[action](options);
|
|
});
|
|
|
|
var current_page =
|
|
(options.displayMode === 'double' &&
|
|
pointer + 2 <= srcs.length) ? (pointer + 1) + '-' + (pointer + 2) : pointer + 1;
|
|
|
|
this.getControl('toolbar')
|
|
.find('#current-page').text(current_page)
|
|
.end()
|
|
.find('#page-count').text(srcs.length);
|
|
|
|
// revert page mode back to double if it was auto switched for a double page spread
|
|
if (is_double_page_spread) {
|
|
options.displayMode = 'double';
|
|
}
|
|
|
|
// disable the fit width button if needed
|
|
$('button.cb-fit-width').attr('disabled', (options.zoomMode === 'fitWidth'));
|
|
$('button.cb-fit-window').attr('disabled', (options.zoomMode === 'fitWindow'));
|
|
|
|
// disable prev/next buttons if not needed
|
|
$('.navigate').show();
|
|
if (pointer === 0) {
|
|
if (options.manga) {
|
|
$('.navigate-left').show();
|
|
$('.navigate-right').hide();
|
|
} else {
|
|
$('.navigate-left').hide();
|
|
$('.navigate-right').show();
|
|
}
|
|
}
|
|
|
|
if (pointer === srcs.length - 1 || (typeof page2 === 'object' && pointer === srcs.length - 2)) {
|
|
if (options.manga) {
|
|
$('.navigate-left').hide();
|
|
$('.navigate-right').show();
|
|
} else {
|
|
$('.navigate-left').show();
|
|
$('.navigate-right').hide();
|
|
}
|
|
}
|
|
|
|
if (pointer !== getHash()) {
|
|
$(this).trigger('navigate');
|
|
}
|
|
|
|
// update hash location
|
|
if (getHash() !== pointer) {
|
|
setHash(pointer + 1);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Increment the counter and draw the page in the canvas
|
|
*
|
|
* @see #drawPage
|
|
*/
|
|
ComicBook.prototype.drawNextPage = function() {
|
|
|
|
var page;
|
|
|
|
try {
|
|
page = self.getPage(pointer + 1);
|
|
} catch (e) {}
|
|
|
|
if (!page) {
|
|
return false;
|
|
}
|
|
|
|
if (pointer + 1 < pages.length) {
|
|
pointer += (options.displayMode === 'single' || is_double_page_spread) ? 1 : 2;
|
|
try {
|
|
self.drawPage();
|
|
} catch (e) {}
|
|
}
|
|
|
|
// make sure the top of the page is in view
|
|
window.scroll(0, 0);
|
|
};
|
|
|
|
/**
|
|
* Decrement the counter and draw the page in the canvas
|
|
*
|
|
* @see #drawPage
|
|
*/
|
|
ComicBook.prototype.drawPrevPage = function() {
|
|
|
|
var page;
|
|
|
|
try {
|
|
page = self.getPage(pointer - 1);
|
|
} catch (e) {}
|
|
|
|
if (!page) {
|
|
return false;
|
|
}
|
|
|
|
is_double_page_spread = (page.width > page.height); // need to run double page check again here as we are going backwards
|
|
|
|
if (pointer > 0) {
|
|
pointer -= (options.displayMode === 'single' || is_double_page_spread) ? 1 : 2;
|
|
self.drawPage();
|
|
}
|
|
|
|
// make sure the top of the page is in view
|
|
window.scroll(0, 0);
|
|
};
|
|
|
|
ComicBook.prototype.brightness = function() {
|
|
self.enhance.brightness({
|
|
brightness: $(this).val()
|
|
});
|
|
};
|
|
|
|
ComicBook.prototype.contrast = function() {
|
|
self.enhance.brightness({
|
|
contrast: $(this).val()
|
|
});
|
|
};
|
|
|
|
ComicBook.prototype.sharpen = function() {
|
|
self.enhance.sharpen({
|
|
strength: $(this).val()
|
|
});
|
|
};
|
|
|
|
ComicBook.prototype.desaturate = function() {
|
|
if ($(this).is(':checked')) {
|
|
self.enhance.desaturate();
|
|
} else {
|
|
self.enhance.resaturate();
|
|
}
|
|
};
|
|
|
|
ComicBook.prototype.resetEnhancements = function() {
|
|
self.enhance.reset();
|
|
};
|
|
|
|
/**
|
|
* Apply image enhancements to the canvas.
|
|
*
|
|
* Powered by the awesome Pixastic: http://www.pixastic.com/
|
|
*
|
|
* TODO: reset & apply all image enhancements each time before applying new one
|
|
* TODO: abstract this into an 'Enhance' object, separate from ComicBook?
|
|
*/
|
|
ComicBook.prototype.enhance = {
|
|
|
|
/**
|
|
* Reset enhancements.
|
|
* This can reset a specific enhancement if the method name is passed, or
|
|
* it will reset all.
|
|
*
|
|
* @param method {string} the specific enhancement to reset
|
|
*/
|
|
reset: function(method) {
|
|
if (!method) {
|
|
options.enhance = {};
|
|
} else {
|
|
delete options.enhance[method];
|
|
}
|
|
self.drawPage(null, false);
|
|
},
|
|
|
|
/**
|
|
* Pixastic progress callback
|
|
* @param {float} progress
|
|
*/
|
|
// progress: function (progress) {
|
|
progress: function() {
|
|
// console.info(Math.floor(progress * 100));
|
|
},
|
|
|
|
/**
|
|
* Pixastic on complete callback
|
|
*/
|
|
done: function() {
|
|
|
|
},
|
|
|
|
/**
|
|
* Adjust brightness / contrast
|
|
*
|
|
* params
|
|
* brightness (int) -150 to 150
|
|
* contrast: (float) -1 to infinity
|
|
*
|
|
* @param {Object} params Brightness & contrast levels
|
|
* @param {Boolean} reset Reset before applying more enhancements?
|
|
*/
|
|
brightness: function(params, reset) {
|
|
|
|
if (reset !== false) {
|
|
this.reset('brightness');
|
|
}
|
|
|
|
// merge user options with defaults
|
|
var opts = merge({
|
|
brightness: 0,
|
|
contrast: 0
|
|
}, params);
|
|
|
|
// remember options for later
|
|
options.enhance.brightness = opts;
|
|
|
|
// run the enhancement
|
|
self.pixastic.brightness({
|
|
brightness: opts.brightness,
|
|
contrast: opts.contrast
|
|
}).done(this.done, this.progress);
|
|
},
|
|
|
|
/**
|
|
* Force black and white
|
|
*/
|
|
desaturate: function() {
|
|
options.enhance.desaturate = {};
|
|
self.pixastic.desaturate().done(this.done, this.progress);
|
|
},
|
|
|
|
/**
|
|
* Undo desaturate
|
|
*/
|
|
resaturate: function() {
|
|
delete options.enhance.desaturate;
|
|
self.drawPage(null, false);
|
|
},
|
|
|
|
/**
|
|
* Sharpen
|
|
*
|
|
* options:
|
|
* strength: number (-1 to infinity)
|
|
*
|
|
* @param {Object} options
|
|
*/
|
|
sharpen: function(params) {
|
|
|
|
this.desharpen();
|
|
|
|
var opts = merge({
|
|
strength: 0
|
|
}, params);
|
|
|
|
options.enhance.sharpen = opts;
|
|
|
|
self.pixastic.sharpen3x3({
|
|
strength: opts.strength
|
|
}).done(this.done, this.progress);
|
|
},
|
|
|
|
desharpen: function() {
|
|
delete options.enhance.sharpen;
|
|
self.drawPage(null, false);
|
|
}
|
|
};
|
|
|
|
ComicBook.prototype.navigation = function(e) {
|
|
|
|
// disable navigation when the overlay is showing
|
|
if ($('#cb-loading-overlay').is(':visible')) {
|
|
return false;
|
|
}
|
|
|
|
var side = false;
|
|
|
|
switch (e.type) {
|
|
|
|
case 'click':
|
|
side = e.currentTarget.getAttribute('data-navigate-side');
|
|
break;
|
|
|
|
case 'keydown':
|
|
|
|
// navigation
|
|
if (e.keyCode === options.keyboard.previous) {
|
|
side = 'left';
|
|
}
|
|
if (e.keyCode === options.keyboard.next) {
|
|
side = 'right';
|
|
}
|
|
|
|
// display controls
|
|
if (e.keyCode === options.keyboard.toolbar) {
|
|
self.toggleToolbar();
|
|
}
|
|
if (e.keyCode === options.keyboard.toggleLayout) {
|
|
self.toggleLayout();
|
|
}
|
|
break;
|
|
|
|
default:
|
|
throw ComicBookException.INVALID_NAVIGATION_EVENT + ' ' + e.type;
|
|
}
|
|
|
|
if (side) {
|
|
|
|
e.stopPropagation();
|
|
|
|
// western style (left to right)
|
|
if (!options.manga) {
|
|
if (side === 'left') {
|
|
self.drawPrevPage();
|
|
}
|
|
if (side === 'right') {
|
|
self.drawNextPage();
|
|
}
|
|
}
|
|
// manga style (right to left)
|
|
else {
|
|
if (side === 'left') {
|
|
self.drawNextPage();
|
|
}
|
|
if (side === 'right') {
|
|
self.drawPrevPage();
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
ComicBook.prototype.toggleReadingMode = function() {
|
|
options.manga = !options.manga;
|
|
self.getControl('toolbar')
|
|
.find('.manga-' + options.manga).show().end()
|
|
.find('.manga-' + !options.manga).hide();
|
|
};
|
|
|
|
ComicBook.prototype.toggleToolbar = function() {
|
|
self.toggleControl('toolbar');
|
|
};
|
|
|
|
ComicBook.prototype.destroy = function() {
|
|
|
|
$.each(this.controls, function(name, $control) {
|
|
$control.remove();
|
|
});
|
|
|
|
canvas.width = 0;
|
|
canvas.height = 0;
|
|
|
|
window.removeEventListener('keydown', this.navigation, false);
|
|
window.removeEventListener('hashchange', checkHash, false);
|
|
|
|
setHash('');
|
|
|
|
// $(this).trigger('destroy');
|
|
};
|
|
|
|
}
|
|
|
|
return ComicBook;
|
|
|
|
})(jQuery);
|
|
|
|
// lib/handlebars/base.js
|
|
/*jshint eqnull:true*/
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this.Handlebars = {},
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function(e) {
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e.VERSION = "1.0.rc.1", e.helpers = {}, e.partials = {}, e.registerHelper = function(e, t, n) {
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n && (t.not = n), this.helpers[e] = t
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}, e.registerPartial = function(e, t) {
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this.partials[e] = t
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}, e.registerHelper("helperMissing", function(e) {
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if (arguments.length === 2) return undefined;
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throw new Error("Could not find property '" + e + "'")
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});
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var t = Object.prototype.toString,
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n = "[object Function]";
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e.registerHelper("blockHelperMissing", function(r, i) {
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var s = i.inverse || function() {},
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o = i.fn,
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u = "",
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a = t.call(r);
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return a === n && (r = r.call(this)), r === !0 ? o(this) : r === !1 || r == null ? s(this) : a === "[object Array]" ? r.length > 0 ? e.helpers.each(r, i) : s(this) : o(r)
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}), e.K = function() {}, e.createFrame = Object.create || function(t) {
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e.K.prototype = t;
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var n = new e.K;
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return e.K.prototype = null, n
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}, e.registerHelper("each", function(t, n) {
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var r = n.fn,
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i = n.inverse,
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s = 0,
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o = "",
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u;
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n.data && (u = e.createFrame(n.data));
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if (t && typeof t == "object")
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if (t instanceof Array)
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for (var a = t.length; s < a; s++) u && (u.index = s), o += r(t[s], {
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data: u
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});
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else
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for (var f in t) t.hasOwnProperty(f) && (u && (u.key = f), o += r(t[f], {
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data: u
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}), s++);
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return s === 0 && (o = i(this)), o
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}), e.registerHelper("if", function(r, i) {
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var s = t.call(r);
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return s === n && (r = r.call(this)), !r || e.Utils.isEmpty(r) ? i.inverse(this) : i.fn(this)
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}), e.registerHelper("unless", function(t, n) {
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var r = n.fn,
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i = n.inverse;
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return n.fn = i, n.inverse = r, e.helpers["if"].call(this, t, n)
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}), e.registerHelper("with", function(e, t) {
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return t.fn(e)
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}), e.registerHelper("log", function(t) {
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e.log(t)
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})
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}(this.Handlebars);
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var errorProps = ["description", "fileName", "lineNumber", "message", "name", "number", "stack"];
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Handlebars.Exception = function(e) {
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var t = Error.prototype.constructor.apply(this, arguments);
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for (var n = 0; n < errorProps.length; n++) this[errorProps[n]] = t[errorProps[n]]
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}, Handlebars.Exception.prototype = new Error, Handlebars.SafeString = function(e) {
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this.string = e
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}, Handlebars.SafeString.prototype.toString = function() {
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return this.string.toString()
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},
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function() {
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var e = {
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'",
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"`": "`"
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},
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t = /[&<>"'`]/g,
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n = /[&<>"'`]/,
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r = function(t) {
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return e[t] || "&"
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};
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Handlebars.Utils = {
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escapeExpression: function(e) {
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return e instanceof Handlebars.SafeString ? e.toString() : e == null || e === !1 ? "" : n.test(e) ? e.replace(t, r) : e
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},
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isEmpty: function(e) {
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return typeof e == "undefined" ? !0 : e === null ? !0 : e === !1 ? !0 : Object.prototype.toString.call(e) === "[object Array]" && e.length === 0 ? !0 : !1
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}
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}
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}(), Handlebars.VM = {
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template: function(e) {
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var t = {
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escapeExpression: Handlebars.Utils.escapeExpression,
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invokePartial: Handlebars.VM.invokePartial,
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programs: [],
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program: function(e, t, n) {
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var r = this.programs[e];
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return n ? Handlebars.VM.program(t, n) : r ? r : (r = this.programs[e] = Handlebars.VM.program(t), r)
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},
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programWithDepth: Handlebars.VM.programWithDepth,
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noop: Handlebars.VM.noop
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};
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return function(n, r) {
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return r = r || {}, e.call(t, Handlebars, n, r.helpers, r.partials, r.data)
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}
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},
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programWithDepth: function(e, t, n) {
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var r = Array.prototype.slice.call(arguments, 2);
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return function(n, i) {
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return i = i || {}, e.apply(this, [n, i.data || t].concat(r))
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}
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},
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program: function(e, t) {
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return function(n, r) {
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return r = r || {}, e(n, r.data || t)
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}
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},
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noop: function() {
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return ""
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},
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invokePartial: function(e, t, n, r, i, s) {
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var o = {
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|
helpers: r,
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partials: i,
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data: s
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};
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if (e === undefined) throw new Handlebars.Exception("The partial " + t + " could not be found");
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if (e instanceof Function) return e(n, o);
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if (!Handlebars.compile) throw new Handlebars.Exception("The partial " + t + " could not be compiled when running in runtime-only mode");
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return i[t] = Handlebars.compile(e, {
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|
data: s !== undefined
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}), i[t](n, o)
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}
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}, Handlebars.template = Handlebars.VM.template;
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(function() {
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var template = Handlebars.template,
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templates = Handlebars.templates = Handlebars.templates || {};
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templates['loadingOverlay'] = template(function(Handlebars, depth0, helpers, partials, data) {
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this.compilerInfo = [2, '>= 1.0.0-rc.3'];
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helpers = helpers || Handlebars.helpers;
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data = data || {};
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return "\n<div id=\"cb-loading-overlay\" class=\"cb-control\"></div>\n";
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});
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templates['navigateLeft'] = template(function(Handlebars, depth0, helpers, partials, data) {
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this.compilerInfo = [2, '>= 1.0.0-rc.3'];
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helpers = helpers || Handlebars.helpers;
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data = data || {};
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return "\n<div data-trigger=\"click\" data-action=\"navigation\" data-navigate-side=\"left\" class=\"cb-control navigate navigate-left \">\n <span class=\"icon-arrow-left\"></span>\n</div>\n";
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});
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templates['navigateRight'] = template(function(Handlebars, depth0, helpers, partials, data) {
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this.compilerInfo = [2, '>= 1.0.0-rc.3'];
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helpers = helpers || Handlebars.helpers;
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data = data || {};
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return "\n<div data-trigger=\"click\" data-action=\"navigation\" data-navigate-side=\"right\" class=\"cb-control navigate navigate-right\">\n <span class=\"icon-arrow-right\"></span>\n</div>\n";
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});
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templates['progressbar'] = template(function(Handlebars, depth0, helpers, partials, data) {
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this.compilerInfo = [2, '>= 1.0.0-rc.3'];
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helpers = helpers || Handlebars.helpers;
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data = data || {};
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return "<div id=\"cb-status\" class=\"cb-control\">\n <div id=\"cb-progress-bar\">\n <div class=\"progressbar-value\"></div>\n </div>\n</div>\n";
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});
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templates['toolbar'] = template(function(Handlebars, depth0, helpers, partials, data) {
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this.compilerInfo = [2, '>= 1.0.0-rc.3'];
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helpers = helpers || Handlebars.helpers;
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data = data || {};
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return "\n<div class=\"toolbar\">\n\n <ul class=\"pull-left\">\n <li class=\"close\">\n <button data-trigger=\"click\" data-action=\"close\" title=\"close\" class=\"icon-remove-sign\"></button>\n </li>\n <li class=\"close separator\"></li>\n <li>\n <button title=\"image settings\" class=\"icon-settings\" data-toggle=\"dropdown\"></button>\n <div class=\"dropdown\">\n <form name=\"image-enhancements\" data-trigger=\"reset\" data-action=\"resetEnhancements\">\n <div class=\"sliders\">\n <div class=\"control-group\">\n <label title=\"adjust brightness\" class=\"icon-sun\"></label>\n <input data-trigger=\"change\" data-action=\"brightness\" type=\"range\" min=\"-100\" max=\"100\" step=\"1\" value=\"0\">\n </div>\n <div class=\"control-group\">\n <label title=\"adjust contrast\" class=\"icon-adjust\"></label>\n <input data-trigger=\"change\" data-action=\"contrast\" type=\"range\" min=\"-1\" max=\"1\" step=\"0.1\" value=\"0\">\n </div>\n <div class=\"control-group\">\n <label title=\"sharpen\" class=\"icon-droplet\"></label>\n <input data-trigger=\"change\" data-action=\"sharpen\" type=\"range\" min=\"0\" max=\"1\" step=\"0.1\" value=\"0\">\n </div>\n </div>\n <div class=\"control-group pull-left\">\n <input id=\"image-desaturate\" type=\"checkbox\" data-trigger=\"change\" data-action=\"desaturate\">\n <label for=\"image-desaturate\">desaturate</label>\n </div>\n <div class=\"control-group pull-right\">\n <input type=\"reset\" value=\"reset\">\n </div>\n </form>\n </div>\n </li>\n <li>\n <button data-trigger=\"click\" data-action=\"toggleLayout\" title=\"toggle one/two pages at a time\" class=\"icon-file layout layout-single\"></button>\n <button data-trigger=\"click\" data-action=\"toggleLayout\" title=\"toggle one/two pages at a time\" class=\"icon-copy layout layout-double\"></button>\n </li>\n <li>\n <button data-trigger=\"click\" data-action=\"zoomOut\" title=\"zoom out\" class=\"icon-zoom-out\"></button>\n </li>\n <li>\n <button data-trigger=\"click\" data-action=\"zoomIn\" title=\"zoom in\" class=\"icon-zoom-in\"></button>\n </li>\n <li>\n <button data-trigger=\"click\" data-action=\"fitWidth\" title=\"fit page to window width\" class=\"icon-expand\"></button>\n </li>\n <li>\n <button data-trigger=\"click\" data-action=\"fitWindow\" title=\"fit page to window\" class=\"icon-expand-2\"></button>\n </li>\n <li>\n <button data-trigger=\"click\" data-action=\"toggleReadingMode\" title=\"switch reading direction\" class=\"icon-arrow-right-3 manga-false\"></button>\n <button data-trigger=\"click\" data-action=\"toggleReadingMode\" title=\"switch reading direction\" class=\"icon-arrow-left-3 manga-true\"></button>\n </li>\n </ul>\n\n <ul class=\"pull-right\">\n <li><span id=\"current-page\"></span> / <span id=\"page-count\"></span></li>\n </ul>\n\n</div>\n";
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});
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})(); /* exported ComicBook */
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(function(root, $) {
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var previousReader = root.cbReader || {};
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var cbReader = root.cbReader = function(path, options) {
|
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return new CBRJS.Reader(path, options);
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};
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//exports to multiple environments
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if (typeof define === 'function' && define.amd) {
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//AMD
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define(function(){ return Reader; });
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} else if (typeof module != "undefined" && module.exports) {
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//Node
|
|
module.exports = cbReader;
|
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}
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})(window, jQuery);
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