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@ -62,6 +62,7 @@ var currentImage = 0;
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var imageFiles = [];
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var imageFilenames = [];
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var totalImages = 0;
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var prevScrollPosition = 0;
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var settings = {
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hflip: false,
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@ -70,8 +71,8 @@ var settings = {
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fitMode: kthoom.Key.B,
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theme: "light",
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direction: 0, // 0 = Left to Right, 1 = Right to Left
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nextPage: 0, // 0 = Reset to Top, 1 = Remember Position
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scrollbar: 1 // 0 = Hide Scrollbar, 1 = Show Scrollbar
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scrollbar: 1, // 0 = Hide Scrollbar, 1 = Show Scrollbar
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pageDisplay: 0 // 0 = Single Page, 1 = Long Strip
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};
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kthoom.saveSettings = function() {
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@ -187,7 +188,6 @@ function initProgressClick() {
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}
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function loadFromArrayBuffer(ab) {
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var lastCompletion = 0;
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const collator = new Intl.Collator('en', { numeric: true, sensitivity: 'base' });
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loadArchiveFormats(['rar', 'zip', 'tar'], function() {
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// Open the file as an archive
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@ -216,9 +216,13 @@ function loadFromArrayBuffer(ab) {
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"</a>" +
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"</li>"
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);
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drawCanvas();
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setImage(test.dataURI, null);
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// display first page if we haven't yet
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if (imageFiles.length === currentImage + 1) {
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updatePage(lastCompletion);
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updatePage();
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}
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} else {
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totalImages--;
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@ -233,13 +237,6 @@ function loadFromArrayBuffer(ab) {
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}
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function scrollTocToActive() {
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// Scroll to the thumbnail in the TOC on page change
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$("#tocView").stop().animate({
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scrollTop: $("#tocView a.active").position().top
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}, 200);
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}
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function updatePage() {
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$(".page").text((currentImage + 1 ) + "/" + totalImages);
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// Mark the current page in the TOC
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@ -251,20 +248,38 @@ function updatePage() {
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// Set it to active
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.addClass("active");
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// Scroll to the thumbnail in the TOC on page change
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$("#tocView").stop().animate({
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scrollTop: $("#tocView a.active").position().top
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}, 200);
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}
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function updatePage() {
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scrollTocToActive();
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scrollCurrentImageIntoView();
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updateProgress();
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pageDisplayUpdate();
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setTheme();
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if (imageFiles[currentImage]) {
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setImage(imageFiles[currentImage].dataURI);
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} else {
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setImage("loading");
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}
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kthoom.setSettings();
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kthoom.saveSettings();
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}
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function setTheme() {
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$("body").toggleClass("dark-theme", settings.theme === "dark");
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$("#mainContent").toggleClass("disabled-scrollbar", settings.scrollbar === 0);
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}
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kthoom.setSettings();
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kthoom.saveSettings();
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function pageDisplayUpdate() {
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if(settings.pageDisplay === 0) {
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$(".mainImage").addClass("hide");
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$(".mainImage").eq(currentImage).removeClass("hide");
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$("#mainContent").removeClass("long-strip");
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} else {
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$(".mainImage").removeClass("hide");
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$("#mainContent").addClass("long-strip");
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scrollCurrentImageIntoView();
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}
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}
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function updateProgress(loadPercentage) {
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@ -298,100 +313,93 @@ function updateProgress(loadPercentage) {
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$("#progress .bar-read").css({ width: totalImages === 0 ? 0 : Math.round((currentImage + 1) / totalImages * 100) + "%"});
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}
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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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function setImage(url, _canvas) {
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var canvas = _canvas || $(".mainImage").slice(-1)[0]; // Select the last item on the array if _canvas is null
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var x = canvas.getContext("2d");
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$("#mainText").hide();
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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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if (url === "error") {
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x.fillStyle = "black";
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x.textAlign = "center";
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x.font = "24px sans-serif";
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x.strokeStyle = "black";
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x.fillText("Loading Page #" + (currentImage + 1), innerWidth / 2, 100);
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x.strokeStyle = (settings.theme === "dark") ? "white" : "black";
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x.fillText("Unable to decompress image #" + (currentImage + 1), innerWidth / 2, 100);
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$(".mainImage").slice(-1).addClass("error");
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} else {
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if (url === "error") {
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updateScale(true);
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if ($("body").css("scrollHeight") / innerHeight > 1) {
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$("body").css("overflowY", "scroll");
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}
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var img = new Image();
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img.onerror = function() {
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canvas.width = innerWidth - 100;
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canvas.height = 200;
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canvas.height = 300;
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x.fillStyle = "black";
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x.textAlign = "center";
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x.font = "24px sans-serif";
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x.font = "50px sans-serif";
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x.strokeStyle = "black";
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x.fillText("Unable to decompress image #" + (currentImage + 1), innerWidth / 2, 100);
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} else {
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if ($("body").css("scrollHeight") / innerHeight > 1) {
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$("body").css("overflowY", "scroll");
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x.fillText("Page #" + (currentImage + 1) + " (" +
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imageFiles[currentImage].filename + ")", innerWidth / 2, 100);
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x.fillStyle = "black";
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x.fillText("Is corrupt or not an image", innerWidth / 2, 200);
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var xhr = new XMLHttpRequest();
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if (/(html|htm)$/.test(imageFiles[currentImage].filename)) {
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xhr.open("GET", url, true);
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xhr.onload = function() {
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$("#mainText").css("display", "");
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$("#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|webp)$/.test(imageFiles[currentImage].filename) && imageFiles[currentImage].data.uncompressedSize < 10 * 1024) {
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xhr.open("GET", url, true);
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xhr.onload = function() {
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$("#mainText").css("display", "");
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$("#mainText").innerText(xhr.responseText);
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};
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xhr.send(null);
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}
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};
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img.onload = function() {
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var h = img.height,
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w = img.width,
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sw = w,
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sh = h;
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settings.rotateTimes = (4 + settings.rotateTimes) % 4;
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x.save();
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if (settings.rotateTimes % 2 === 1) {
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sh = w;
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sw = h;
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}
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canvas.height = sh;
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canvas.width = sw;
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x.translate(sw / 2, sh / 2);
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x.rotate(Math.PI / 2 * settings.rotateTimes);
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x.translate(-w / 2, -h / 2);
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if (settings.vflip) {
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x.scale(1, -1);
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x.translate(0, -h);
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}
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if (settings.hflip) {
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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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x.drawImage(img, 0, 0);
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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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img.src = url;
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}
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}
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var img = new Image();
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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 = "black";
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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 + ")", innerWidth / 2, 100);
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x.fillStyle = "black";
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x.fillText("Is corrupt or not an image", innerWidth / 2, 200);
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var xhr = new XMLHttpRequest();
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if (/(html|htm)$/.test(imageFiles[currentImage].filename)) {
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xhr.open("GET", url, true);
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xhr.onload = function() {
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$("#mainText").css("display", "");
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$("#mainText").innerHTML("<iframe style=\"width:100%;height:700px;border:0\" src=\"data:text/html," + escape(xhr.responseText) + "\"></iframe>");
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};
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xhr.send(null);
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} else if (!/(jpg|jpeg|png|gif|webp)$/.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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$("#mainText").css("display", "");
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$("#mainText").innerText(xhr.responseText);
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};
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xhr.send(null);
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}
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};
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img.onload = function() {
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var h = img.height,
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w = img.width,
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sw = w,
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sh = h;
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settings.rotateTimes = (4 + settings.rotateTimes) % 4;
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x.save();
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if (settings.rotateTimes % 2 === 1) {
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sh = w;
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sw = h;
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}
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canvas.height = sh;
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canvas.width = sw;
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x.translate(sw / 2, sh / 2);
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x.rotate(Math.PI / 2 * settings.rotateTimes);
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x.translate(-w / 2, -h / 2);
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if (settings.vflip) {
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x.scale(1, -1);
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x.translate(0, -h);
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}
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if (settings.hflip) {
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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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x.drawImage(img, 0, 0);
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updateScale(false);
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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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img.src = url;
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}
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// reloadImages is a slow process when multiple images are involved. Only used when rotating/mirroring
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function reloadImages() {
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for(i=0; i < imageFiles.length; i++) {
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setImage(imageFiles[i].dataURI, $(".mainImage")[i]);
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}
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}
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@ -418,9 +426,6 @@ function showPrevPage() {
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currentImage++;
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} else {
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updatePage();
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if (settings.nextPage === 0) {
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$("#mainContent").scrollTop(0);
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}
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}
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}
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@ -431,36 +436,53 @@ function showNextPage() {
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currentImage--;
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} else {
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updatePage();
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if (settings.nextPage === 0) {
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$("#mainContent").scrollTop(0);
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}
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}
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}
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function updateScale(clear) {
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var mainImageStyle = getElem("mainImage").style;
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mainImageStyle.width = "";
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mainImageStyle.height = "";
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mainImageStyle.maxWidth = "";
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mainImageStyle.maxHeight = "";
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function scrollCurrentImageIntoView() {
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if(settings.pageDisplay == 0) {
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// This will scroll all the way up when Single Page is selected
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$("#mainContent").scrollTop(0);
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} else {
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// This will scroll to the image when Long Strip is selected
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$("#mainContent").stop().animate({
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scrollTop: $(".mainImage").eq(currentImage).offset().top + $("#mainContent").scrollTop() - $("#mainContent").offset().top
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}, 200);
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}
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}
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function updateScale() {
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var canvasArray = $("#mainContent > canvas");
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var maxheight = innerHeight - 50;
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canvasArray.css("width", "");
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canvasArray.css("height", "");
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canvasArray.css("maxWidth", "");
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canvasArray.css("maxHeight", "");
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if(settings.pageDisplay === 0) {
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canvasArray.addClass("hide");
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pageDisplayUpdate();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!clear) {
|
|
|
|
|
switch (settings.fitMode) {
|
|
|
|
|
case kthoom.Key.B:
|
|
|
|
|
mainImageStyle.maxWidth = "100%";
|
|
|
|
|
mainImageStyle.maxHeight = maxheight + "px";
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.H:
|
|
|
|
|
mainImageStyle.height = maxheight + "px";
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.W:
|
|
|
|
|
mainImageStyle.width = "100%";
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
switch (settings.fitMode) {
|
|
|
|
|
case kthoom.Key.B:
|
|
|
|
|
canvasArray.css("maxWidth", "100%");
|
|
|
|
|
canvasArray.css("maxHeight", maxheight + "px");
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.H:
|
|
|
|
|
canvasArray.css("maxHeight", maxheight + "px");
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.W:
|
|
|
|
|
canvasArray.css("width", "100%");
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$("#mainContent > canvas.error").css("width", innerWidth - 100);
|
|
|
|
|
$("#mainContent > canvas.error").css("height", 200);
|
|
|
|
|
|
|
|
|
|
$("#mainContent").css({maxHeight: maxheight + 5});
|
|
|
|
|
kthoom.setSettings();
|
|
|
|
|
kthoom.saveSettings();
|
|
|
|
@ -477,6 +499,20 @@ function keyHandler(evt) {
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
showRightPage();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.S:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.pageDisplay = 0;
|
|
|
|
|
pageDisplayUpdate();
|
|
|
|
|
kthoom.setSettings();
|
|
|
|
|
kthoom.saveSettings();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.O:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.pageDisplay = 1;
|
|
|
|
|
pageDisplayUpdate();
|
|
|
|
|
kthoom.setSettings();
|
|
|
|
|
kthoom.saveSettings();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.L:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.rotateTimes--;
|
|
|
|
@ -484,6 +520,7 @@ function keyHandler(evt) {
|
|
|
|
|
settings.rotateTimes = 3;
|
|
|
|
|
}
|
|
|
|
|
updatePage();
|
|
|
|
|
reloadImages();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.R:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
@ -492,6 +529,7 @@ function keyHandler(evt) {
|
|
|
|
|
settings.rotateTimes = 0;
|
|
|
|
|
}
|
|
|
|
|
updatePage();
|
|
|
|
|
reloadImages();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.F:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
@ -507,26 +545,27 @@ function keyHandler(evt) {
|
|
|
|
|
settings.hflip = true;
|
|
|
|
|
}
|
|
|
|
|
updatePage();
|
|
|
|
|
reloadImages();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.W:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.fitMode = kthoom.Key.W;
|
|
|
|
|
updateScale(false);
|
|
|
|
|
updateScale();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.H:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.fitMode = kthoom.Key.H;
|
|
|
|
|
updateScale(false);
|
|
|
|
|
updateScale();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.B:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.fitMode = kthoom.Key.B;
|
|
|
|
|
updateScale(false);
|
|
|
|
|
updateScale();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.N:
|
|
|
|
|
if (hasModifier) break;
|
|
|
|
|
settings.fitMode = kthoom.Key.N;
|
|
|
|
|
updateScale(false);
|
|
|
|
|
updateScale();
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.SPACE:
|
|
|
|
|
if (evt.shiftKey) {
|
|
|
|
@ -545,6 +584,43 @@ function keyHandler(evt) {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function drawCanvas() {
|
|
|
|
|
var maxheight = innerHeight - 50;
|
|
|
|
|
var canvasElement = $("<canvas></canvas>");
|
|
|
|
|
var x = canvasElement[0].getContext("2d");
|
|
|
|
|
canvasElement.addClass("mainImage");
|
|
|
|
|
|
|
|
|
|
switch (settings.fitMode) {
|
|
|
|
|
case kthoom.Key.B:
|
|
|
|
|
canvasElement.css("maxWidth", "100%");
|
|
|
|
|
canvasElement.css("maxHeight", maxheight + "px");
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.H:
|
|
|
|
|
canvasElement.css("maxHeight", maxheight + "px");
|
|
|
|
|
break;
|
|
|
|
|
case kthoom.Key.W:
|
|
|
|
|
canvasElement.css("width", "100%");
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(settings.pageDisplay === 0) {
|
|
|
|
|
canvasElement.addClass("hide");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//Fill with Placeholder text. setImage will override this
|
|
|
|
|
canvasElement.width = innerWidth - 100;
|
|
|
|
|
canvasElement.height = 200;
|
|
|
|
|
x.fillStyle = "black";
|
|
|
|
|
x.textAlign = "center";
|
|
|
|
|
x.font = "24px sans-serif";
|
|
|
|
|
x.strokeStyle = (settings.theme === "dark") ? "white" : "black";
|
|
|
|
|
x.fillText("Loading Page #" + (currentImage + 1), innerWidth / 2, 100);
|
|
|
|
|
|
|
|
|
|
$("#mainContent").append(canvasElement);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function init(filename) {
|
|
|
|
|
var request = new XMLHttpRequest();
|
|
|
|
|
request.open("GET", filename);
|
|
|
|
@ -556,16 +632,17 @@ function init(filename) {
|
|
|
|
|
console.warn(request.statusText, request.responseText);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
kthoom.loadSettings();
|
|
|
|
|
setTheme();
|
|
|
|
|
updateScale();
|
|
|
|
|
request.send();
|
|
|
|
|
initProgressClick();
|
|
|
|
|
document.body.className += /AppleWebKit/.test(navigator.userAgent) ? " webkit" : "";
|
|
|
|
|
kthoom.loadSettings();
|
|
|
|
|
updateScale(true);
|
|
|
|
|
|
|
|
|
|
$(document).keydown(keyHandler);
|
|
|
|
|
|
|
|
|
|
$(window).resize(function() {
|
|
|
|
|
updateScale(false);
|
|
|
|
|
updateScale();
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// Open TOC menu
|
|
|
|
@ -596,28 +673,35 @@ function init(filename) {
|
|
|
|
|
value = /^\d+$/.test(value) ? parseInt(value) : value;
|
|
|
|
|
|
|
|
|
|
settings[this.name] = value;
|
|
|
|
|
|
|
|
|
|
if(["hflip", "vflip", "rotateTimes"].includes(this.name)) {
|
|
|
|
|
reloadImages();
|
|
|
|
|
} else if(this.name === "direction") {
|
|
|
|
|
return updateProgress();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
updatePage();
|
|
|
|
|
updateScale(false);
|
|
|
|
|
updateScale();
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// Close modal
|
|
|
|
|
$(".closer, .overlay").click(function() {
|
|
|
|
|
$(".md-show").removeClass("md-show");
|
|
|
|
|
$("#mainContent").focus(); // focus back on the main container so you use up/down keys without having to click on it
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// TOC thumbnail pagination
|
|
|
|
|
$("#thumbnails").on("click", "a", function() {
|
|
|
|
|
currentImage = $(this).data("page") - 1;
|
|
|
|
|
updatePage();
|
|
|
|
|
if (settings.nextPage === 0) {
|
|
|
|
|
$("#mainContent").scrollTop(0);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// Fullscreen mode
|
|
|
|
|
if (typeof screenfull !== "undefined") {
|
|
|
|
|
$("#fullscreen").click(function() {
|
|
|
|
|
screenfull.toggle($("#container")[0]);
|
|
|
|
|
// Focus on main container so you can use up/down keys immediately after fullscreen
|
|
|
|
|
$("#mainContent").focus();
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
if (screenfull.raw) {
|
|
|
|
@ -641,7 +725,7 @@ function init(filename) {
|
|
|
|
|
showRightPage();
|
|
|
|
|
},
|
|
|
|
|
});
|
|
|
|
|
$("#mainImage").click(function(evt) {
|
|
|
|
|
$(".mainImage").click(function(evt) {
|
|
|
|
|
// Firefox does not support offsetX/Y so we have to manually calculate
|
|
|
|
|
// where the user clicked in the image.
|
|
|
|
|
var mainContentWidth = $("#mainContent").width();
|
|
|
|
@ -676,5 +760,37 @@ function init(filename) {
|
|
|
|
|
showRightPage();
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// Scrolling up/down will update current image if a new image is into view (for Long Strip Display)
|
|
|
|
|
$("#mainContent").scroll(function(){
|
|
|
|
|
var scroll = $("#mainContent").scrollTop();
|
|
|
|
|
if(settings.pageDisplay === 0) {
|
|
|
|
|
// Don't trigger the scroll for Single Page
|
|
|
|
|
} else if(scroll > prevScrollPosition) {
|
|
|
|
|
//Scroll Down
|
|
|
|
|
if(currentImage + 1 < imageFiles.length) {
|
|
|
|
|
if(currentImageOffset(currentImage + 1) <= 1) {
|
|
|
|
|
currentImage++;
|
|
|
|
|
scrollTocToActive();
|
|
|
|
|
updateProgress();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
//Scroll Up
|
|
|
|
|
if(currentImage - 1 > -1 ) {
|
|
|
|
|
if(currentImageOffset(currentImage - 1) >= 0) {
|
|
|
|
|
currentImage--;
|
|
|
|
|
scrollTocToActive();
|
|
|
|
|
updateProgress();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Update scroll position
|
|
|
|
|
prevScrollPosition = scroll;
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function currentImageOffset(imageIndex) {
|
|
|
|
|
return $(".mainImage").eq(imageIndex).offset().top - $("#mainContent").position().top
|
|
|
|
|
}
|
|
|
|
|