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@ -15,6 +15,7 @@
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* Typed Arrays: http://www.khronos.org/registry/typedarray/specs/latest/#6
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*/
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/* global bitjs */
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if (window.opera) {
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window.console.log = function(str) {
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@ -77,7 +78,8 @@ kthoom.saveSettings = function() {
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kthoom.loadSettings = function() {
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try {
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if (localStorage.kthoomSettings.length < 10) return;
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if (localStorage.kthoomSettings.length < 10)
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return;
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var s = JSON.parse(localStorage.kthoomSettings);
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kthoom.rotateTimes = s.rotateTimes;
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hflip = s.hflip;
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@ -86,31 +88,31 @@ kthoom.loadSettings = function() {
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} catch (err) {
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alert("Error load settings");
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}
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}
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};
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var createURLFromArray = function(array, mimeType) {
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var offset = array.byteOffset, len = array.byteLength;
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var bb, url;
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var url;
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var blob;
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// TODO: Move all this browser support testing to a common place
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// and do it just once.
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// Blob constructor, see http://dev.w3.org/2006/webapi/FileAPI/#dfn-Blob.
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if (typeof Blob == "function") {
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if (typeof Blob === "function") {
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blob = new Blob([array], {type: mimeType});
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} else {
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throw "Browser support for Blobs is missing."
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throw "Browser support for Blobs is missing.";
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}
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if (blob.slice) {
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blob = blob.slice(offset, offset + len, mimeType);
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} else {
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throw "Browser support for Blobs is missing."
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throw "Browser support for Blobs is missing.";
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}
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if ((typeof URL != "function" && typeof URL != "object") ||
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typeof URL.createObjectURL != "function") {
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if ((typeof URL !== "function" && typeof URL != "object") ||
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typeof URL.createObjectURL !== "function") {
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throw "Browser support for Object URLs is missing";
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}
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@ -217,7 +219,7 @@ kthoom.initProgressMeter = function() {
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svg.appendChild(g);
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pdiv.appendChild(svg);
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var l;
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svg.onclick = function(e) {
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for (var x = pdiv, l = 0; x !== document.documentElement; x = x.parentNode) l += x.offsetLeft;
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var page = Math.max(1, Math.ceil(((e.clientX - l) / pdiv.offsetWidth) * totalImages)) - 1;
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@ -231,7 +233,7 @@ kthoom.setProgressMeter = function(pct, optLabel) {
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var part = 1 / totalImages;
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var remain = ((pct - lastCompletion) / 100) / part;
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var fract = Math.min(1, remain);
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var smartpct = ((imageFiles.length / totalImages) + (fract * part))* 100;
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var smartpct = ((imageFiles.length / totalImages) + (fract * part)) * 100;
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if (totalImages === 0) smartpct = pct;
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// + Math.min((pct - lastCompletion), 100/totalImages * 0.9 + (pct - lastCompletion - 100/totalImages)/2, 100/totalImages);
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@ -239,7 +241,7 @@ kthoom.setProgressMeter = function(pct, optLabel) {
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if (isNaN(oldval)) oldval = 0;
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var weight = 0.5;
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smartpct = ((weight * smartpct) + ((1 - weight) * oldval));
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if (pct == 100) smartpct = 100;
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if (pct === 100) smartpct = 100;
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if (!isNaN(smartpct)) {
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getElem("meter").setAttribute("width", smartpct + "%");
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@ -254,15 +256,15 @@ kthoom.setProgressMeter = function(pct, optLabel) {
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title.appendChild(document.createTextNode(labelText));
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getElem("meter2").setAttribute("width",
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100 * (totalImages == 0 ? 0 : ((currentImage+1) / totalImages)) + "%");
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100 * (totalImages === 0 ? 0 : ((currentImage + 1) / totalImages)) + "%");
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var title = getElem("page");
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while (title.firstChild) title.removeChild(title.firstChild);
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title.appendChild(document.createTextNode( (currentImage+1) + '/' + totalImages ));
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var titlePage = getElem("page");
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while (titlePage.firstChild) titlePage.removeChild(titlePage.firstChild);
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titlePage.appendChild(document.createTextNode( (currentImage + 1) + "/" + totalImages ));
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if (pct > 0) {
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//getElem('nav').className = '';
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getElem("progress").className = '';
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getElem("progress").className = "";
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}
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}
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@ -270,9 +272,9 @@ function loadFromArrayBuffer(ab) {
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var start = (new Date).getTime();
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var h = new Uint8Array(ab, 0, 10);
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var pathToBitJS = "../../static/js/";
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if (h[0] == 0x52 && h[1] == 0x61 && h[2] == 0x72 && h[3] == 0x21) { //Rar!
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if (h[0] === 0x52 && h[1] === 0x61 && h[2] === 0x72 && h[3] === 0x21) { //Rar!
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unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS);
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} else if (h[0] == 80 && h[1] == 75) { //PK (Zip)
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} else if (h[0] === 80 && h[1] === 75) { //PK (Zip)
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unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS);
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} else { // Try with tar
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unarchiver = new bitjs.archive.Untarrer(ab, pathToBitJS);
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@ -293,7 +295,7 @@ function loadFromArrayBuffer(ab) {
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if (e.unarchivedFile) {
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var f = e.unarchivedFile;
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// add any new pages based on the filename
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if (imageFilenames.indexOf(f.filename) == -1) {
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if (imageFilenames.indexOf(f.filename) === -1) {
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imageFilenames.push(f.filename);
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imageFiles.push(new kthoom.ImageFile(f));
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}
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@ -304,8 +306,8 @@ function loadFromArrayBuffer(ab) {
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}
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});
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unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.FINISH,
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function(e) {
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var diff = ((new Date).getTime() - start)/1000;
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function() {
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var diff = ((new Date).getTime() - start) / 1000;
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console.log("Unarchiving done in " + diff + "s");
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});
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unarchiver.start();
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@ -318,10 +320,10 @@ function loadFromArrayBuffer(ab) {
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function updatePage() {
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var title = getElem("page");
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while (title.firstChild) title.removeChild(title.firstChild);
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title.appendChild(document.createTextNode( (currentImage+1) + "/" + totalImages ));
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title.appendChild(document.createTextNode( (currentImage +1 ) + "/" + totalImages ));
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getElem('meter2').setAttribute('width',
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100 * (totalImages == 0 ? 0 : ((currentImage+1)/totalImages)) + "%");
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getElem("meter2").setAttribute("width",
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100 * (totalImages == 0 ? 0 : ((currentImage +1 ) / totalImages)) + "%");
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if (imageFiles[currentImage]) {
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setImage(imageFiles[currentImage].dataURI);
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} else {
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@ -333,43 +335,42 @@ function setImage(url) {
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var canvas = $("#mainImage")[0];
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var x = $("#mainImage")[0].getContext("2d");
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$("#mainText").hide();
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if (url == "loading") {
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if (url === "loading") {
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updateScale(true);
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canvas.width = innerWidth - 100;
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canvas.height = 200;
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x.fillStyle = "red";
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x.font = "50px sans-serif";
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x.strokeStyle = "black";
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x.fillText("Loading Page #" + (currentImage + 1), 100, 100)
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x.fillText("Loading Page #" + (currentImage + 1), 100, 100);
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} else {
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if ($("body").css("scrollHeight")/innerHeight > 1) {
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$("body").css("overflowY", "scroll");
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}
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var img = new Image();
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img.onerror = function(e) {
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img.onerror = function() {
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canvas.width = innerWidth - 100;
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canvas.height = 300;
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updateScale(true);
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x.fillStyle = "orange";
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x.font = "50px sans-serif";
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x.strokeStyle = "black";
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x.fillText("Page #" + (currentImage+1) + " (" +
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imageFiles[currentImage].filename + ")", 100, 100)
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x.fillText("Page #" + (currentImage + 1) + " (" +
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imageFiles[currentImage].filename + ")", 100, 100);
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x.fillStyle = "red";
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x.fillText("Is corrupt or not an image", 100, 200);
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var xhr = new XMLHttpRequest();
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if (/(html|htm)$/.test(imageFiles[currentImage].filename)) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", url, true);
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xhr.onload = function() {
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//document.getElementById('mainText').style.display = '';
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$("#mainText").css("display", "");
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$("#mainText").innerHTML("<iframe style=\"width:100%;height:700px;border:0\" src=\"data:text/html,"+escape(xhr.responseText)+"\"></iframe>");
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$("#mainText").innerHTML("<iframe style=\"width:100%;height:700px;border:0\" src=\"data:text/html," + escape(xhr.responseText) + "\"></iframe>");
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}
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xhr.send(null);
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} else if (!/(jpg|jpeg|png|gif)$/.test(imageFiles[currentImage].filename) && imageFiles[currentImage].data.uncompressedSize < 10*1024) {
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var xhr = new XMLHttpRequest();
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} else if (!/(jpg|jpeg|png|gif)$/.test(imageFiles[currentImage].filename) && imageFiles[currentImage].data.uncompressedSize < 10 * 1024) {
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xhr.open("GET", url, true);
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xhr.onload = function() {
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$("#mainText").css("display", "");
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@ -392,20 +393,20 @@ function setImage(url) {
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x.rotate(Math.PI/2 * kthoom.rotateTimes);
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x.translate(-w/2, -h/2);
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if (vflip) {
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x.scale(1, -1)
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x.scale(1, -1);
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x.translate(0, -h);
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}
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}
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if (hflip) {
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x.scale(-1, 1)
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x.scale(-1, 1);
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x.translate(-w, 0);
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}
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canvas.style.display = "none";
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scrollTo(0,0);
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scrollTo(0, 0);
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x.drawImage(img, 0, 0);
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updateScale();
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canvas.style.display = '';
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canvas.style.display = "";
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$("body").css("overflowY", "");
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x.restore();
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};
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@ -434,23 +435,23 @@ function showNextPage() {
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}
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function updateScale(clear) {
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var mainImageStyle = getElem('mainImage').style;
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mainImageStyle.width = '';
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mainImageStyle.height = '';
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mainImageStyle.maxWidth = '';
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mainImageStyle.maxHeight = '';
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var mainImageStyle = getElem("mainImage").style;
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mainImageStyle.width = "";
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mainImageStyle.height = "";
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mainImageStyle.maxWidth = "";
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mainImageStyle.maxHeight = "";
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var maxheight = innerHeight - 15;
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if (!/main/.test(getElem('titlebar').className)) {
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if (!/main/.test(getElem("titlebar").className)) {
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maxheight -= 25;
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}
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if (clear || fitMode == kthoom.Key.N) {
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} else if (fitMode == kthoom.Key.B) {
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mainImageStyle.maxWidth = '100%';
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mainImageStyle.maxHeight = maxheight + 'px';
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mainImageStyle.maxWidth = "100%";
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mainImageStyle.maxHeight = maxheight + "px";
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} else if (fitMode == kthoom.Key.H) {
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mainImageStyle.height = maxheight + 'px';
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mainImageStyle.height = maxheight + "px";
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} else if (fitMode == kthoom.Key.W) {
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mainImageStyle.width = '100%';
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mainImageStyle.width = "100%";
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}
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kthoom.saveSettings();
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}
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@ -458,9 +459,9 @@ function updateScale(clear) {
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function keyHandler(evt) {
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var code = evt.keyCode;
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if ($("#progress").css('display') == "none")
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if ($("#progress").css("display") == "none")
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return;
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canKeyNext = (($("body").css("offsetWidth")+$("body").css("scrollLeft"))/ $("body").css("scrollWidth")) >= 1;
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canKeyNext = (($("body").css("offsetWidth")+$("body").css("scrollLeft")) / $("body").css("scrollWidth")) >= 1;
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canKeyPrev = (scrollX <= 0);
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if (evt.ctrlKey || evt.shiftKey || evt.metaKey) return;
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@ -537,6 +538,7 @@ function init(filename) {
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request.send();
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kthoom.initProgressMeter();
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document.body.className += /AppleWebKit/.test(navigator.userAgent) ? " webkit" : "";
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updateScale(true);
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kthoom.loadSettings();
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$(document).keydown(keyHandler);
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OzzieIsaacs
7 years ago