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@@ -0,0 +1,1415 @@
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+;
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+(function(g, fn) {
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+ var version = "1.3.9",
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+ pdfjsVersion = "2.3.200";
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+ console.log("pdfh5.js v" + version + " & https://www.gjtool.cn")
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+ if (typeof require !== 'undefined') {
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+ if (g.$ === undefined) {
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+ g.$ = require('/lib/jquery-3.5.1.min.js');
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+ }
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+ g.pdfjsWorker = require('/lib/js/pdf.worker');
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+ g.pdfjsLib = require('/lib/js/pdf.js');
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+ }
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+ var pdfjsLib = g.pdfjsLib,
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+ $ = g.$,
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+ pdfjsWorker = g.pdfjsWorker;
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+ if (typeof define === 'function' && define.amd) {
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+ define(function() {
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+ return fn(g, pdfjsWorker, pdfjsLib, $, version)
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+ })
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+ } else if (typeof module !== 'undefined' && module.exports) {
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+ module.exports = fn(g, pdfjsWorker, pdfjsLib, $, version)
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+ } else {
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+ g.Pdfh5 = fn(g, pdfjsWorker, pdfjsLib, $, version)
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+ }
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+})(typeof window !== 'undefined' ? window : this, function(g, pdfjsWorker, pdfjsLib, $, version) {
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+ 'use strict';
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+ var definePinchZoom = function($) {
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+ var PinchZoom = function(el, options, viewerContainer) {
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+ this.el = $(el);
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+ this.viewerContainer = viewerContainer;
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+ this.zoomFactor = 1;
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+ this.lastScale = 1;
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+ this.offset = {
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+ x: 0,
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+ y: 0
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+ };
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+ this.options = $.extend({}, this.defaults, options);
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+ this.options.zoomOutFactor = isNaN(options.zoomOutFactor) ? 1.2 : options.zoomOutFactor;
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+ this.options.animationDuration = isNaN(options.animationDuration) ? 300 : options.animationDuration;
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+ this.options.maxZoom = isNaN(options.maxZoom) ? 3 : options.maxZoom;
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+ this.options.minZoom = isNaN(options.minZoom) ? 0.8 : options.minZoom;
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+ this.setupMarkup();
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+ this.bindEvents();
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+ this.update();
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+ this.enable();
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+ this.height = 0;
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+ this.load = false;
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+ this.direction = null;
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+ this.clientY = null;
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+ this.lastclientY = null;
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+ },
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+ sum = function(a, b) {
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+ return a + b;
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+ },
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+ isCloseTo = function(value, expected) {
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+ return value > expected - 0.01 && value < expected + 0.01;
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+ };
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+
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+ PinchZoom.prototype = {
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+ defaults: {
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+ tapZoomFactor: 3,
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+ zoomOutFactor: 1.2,
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+ animationDuration: 300,
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+ maxZoom: 3,
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+ minZoom: 0.8,
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+ lockDragAxis: false,
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+ use2d: true,
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+ zoomStartEventName: 'pz_zoomstart',
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+ zoomEndEventName: 'pz_zoomend',
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+ dragStartEventName: 'pz_dragstart',
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+ dragEndEventName: 'pz_dragend',
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+ doubleTapEventName: 'pz_doubletap'
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+ },
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+ handleDragStart: function(event) {
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+ this.el.trigger(this.options.dragStartEventName);
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+ this.stopAnimation();
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+ this.lastDragPosition = false;
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+ this.hasInteraction = true;
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+ this.handleDrag(event);
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+ },
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+ handleDrag: function(event) {
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+
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+ if (this.zoomFactor > 1.0) {
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+ var touch = this.getTouches(event)[0];
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+ this.drag(touch, this.lastDragPosition, event);
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+ this.offset = this.sanitizeOffset(this.offset);
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+ this.lastDragPosition = touch;
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+ }
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+ },
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+
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+ handleDragEnd: function() {
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+ this.el.trigger(this.options.dragEndEventName);
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+ this.end();
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+ },
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+ handleZoomStart: function(event) {
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+ this.el.trigger(this.options.zoomStartEventName);
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+ this.stopAnimation();
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+ this.lastScale = 1;
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+ this.nthZoom = 0;
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+ this.lastZoomCenter = false;
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+ this.hasInteraction = true;
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+ },
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+ handleZoom: function(event, newScale) {
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+ var touchCenter = this.getTouchCenter(this.getTouches(event)),
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+ scale = newScale / this.lastScale;
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+ this.lastScale = newScale;
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+ this.nthZoom += 1;
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+ if (this.nthZoom > 3) {
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+
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+ this.scale(scale, touchCenter);
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+ this.drag(touchCenter, this.lastZoomCenter);
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+ }
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+ this.lastZoomCenter = touchCenter;
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+ },
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+
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+ handleZoomEnd: function() {
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+ this.el.trigger(this.options.zoomEndEventName);
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+ this.end();
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+ },
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+ handleDoubleTap: function(event) {
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+ var center = this.getTouches(event)[0],
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+ zoomFactor = this.zoomFactor > 1 ? 1 : this.options.tapZoomFactor,
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+ startZoomFactor = this.zoomFactor,
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+ updateProgress = (function(progress) {
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+ this.scaleTo(startZoomFactor + progress * (zoomFactor - startZoomFactor), center);
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+ }).bind(this);
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+
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+ if (this.hasInteraction) {
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+ return;
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+ }
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+ if (startZoomFactor > zoomFactor) {
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+ center = this.getCurrentZoomCenter();
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+ }
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+
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+ this.animate(this.options.animationDuration, updateProgress, this.swing);
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+ this.el.trigger(this.options.doubleTapEventName);
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+ },
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+ sanitizeOffset: function(offset) {
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+ var maxX = (this.zoomFactor - 1) * this.getContainerX(),
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+ maxY = (this.zoomFactor - 1) * this.getContainerY(),
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+ maxOffsetX = Math.max(maxX, 0),
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+ maxOffsetY = Math.max(maxY, 0),
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+ minOffsetX = Math.min(maxX, 0),
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+ minOffsetY = Math.min(maxY, 0);
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+
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+ var x = Math.min(Math.max(offset.x, minOffsetX), maxOffsetX),
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+ y = Math.min(Math.max(offset.y, minOffsetY), maxOffsetY);
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+
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+
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+ return {
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+ x: x,
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+ y: y
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+ };
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+ },
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+ scaleTo: function(zoomFactor, center) {
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+ this.scale(zoomFactor / this.zoomFactor, center);
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+ },
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+ scale: function(scale, center) {
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+ scale = this.scaleZoomFactor(scale);
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+ this.addOffset({
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+ x: (scale - 1) * (center.x + this.offset.x),
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+ y: (scale - 1) * (center.y + this.offset.y)
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+ });
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+ this.done && this.done.call(this, this.getInitialZoomFactor() * this.zoomFactor)
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+ },
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+ scaleZoomFactor: function(scale) {
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+ var originalZoomFactor = this.zoomFactor;
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+ this.zoomFactor *= scale;
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+ this.zoomFactor = Math.min(this.options.maxZoom, Math.max(this.zoomFactor, this.options.minZoom));
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+ return this.zoomFactor / originalZoomFactor;
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+ },
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+ drag: function(center, lastCenter, event) {
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+ if (lastCenter) {
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+ if (this.options.lockDragAxis) {
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+ if (Math.abs(center.x - lastCenter.x) > Math.abs(center.y - lastCenter.y)) {
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+ this.addOffset({
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+ x: -(center.x - lastCenter.x),
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+ y: 0
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+ });
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+ } else {
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+ this.addOffset({
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+ y: -(center.y - lastCenter.y),
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+ x: 0
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+ });
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+ }
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+ } else {
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+ if (center.y - lastCenter.y < 0) {
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+ this.direction = "down";
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+ } else if (center.y - lastCenter.y > 10) {
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+ this.direction = "up";
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+ }
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+ this.addOffset({
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+ y: -(center.y - lastCenter.y),
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+ x: -(center.x - lastCenter.x)
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+ });
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+ }
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+ }
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+ },
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+ getTouchCenter: function(touches) {
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+ return this.getVectorAvg(touches);
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+ },
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+ getVectorAvg: function(vectors) {
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+ return {
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+ x: vectors.map(function(v) {
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+ return v.x;
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+ }).reduce(sum) / vectors.length,
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+ y: vectors.map(function(v) {
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+ return v.y;
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+ }).reduce(sum) / vectors.length
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+ };
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+ },
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+ addOffset: function(offset) {
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+ this.offset = {
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+ x: this.offset.x + offset.x,
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+ y: this.offset.y + offset.y
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+ };
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+ },
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+
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+ sanitize: function() {
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+ if (this.zoomFactor < this.options.zoomOutFactor) {
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+ this.zoomOutAnimation();
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+ } else if (this.isInsaneOffset(this.offset)) {
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+ this.sanitizeOffsetAnimation();
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+ }
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+ },
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+ isInsaneOffset: function(offset) {
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+ var sanitizedOffset = this.sanitizeOffset(offset);
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+ return sanitizedOffset.x !== offset.x ||
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+ sanitizedOffset.y !== offset.y;
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+ },
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+ sanitizeOffsetAnimation: function() {
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+ var targetOffset = this.sanitizeOffset(this.offset),
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+ startOffset = {
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+ x: this.offset.x,
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+ y: this.offset.y
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+ },
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+ updateProgress = (function(progress) {
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+ this.offset.x = startOffset.x + progress * (targetOffset.x - startOffset.x);
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+ this.offset.y = startOffset.y + progress * (targetOffset.y - startOffset.y);
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+ this.update();
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+ }).bind(this);
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+
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+ this.animate(
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+ this.options.animationDuration,
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+ updateProgress,
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+ this.swing
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+ );
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+ },
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+ zoomOutAnimation: function() {
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+ var startZoomFactor = this.zoomFactor,
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+ zoomFactor = 1,
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+ center = this.getCurrentZoomCenter(),
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+ updateProgress = (function(progress) {
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+ this.scaleTo(startZoomFactor + progress * (zoomFactor - startZoomFactor), center);
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+ }).bind(this);
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+
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+ this.animate(
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+ this.options.animationDuration,
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+ updateProgress,
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+ this.swing
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+ );
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+ },
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+ updateAspectRatio: function() {
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+ this.setContainerY(this.getContainerX() / this.getAspectRatio());
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+ },
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+ getInitialZoomFactor: function() {
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+ if (this.container[0] && this.el[0]) {
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+ return this.container[0].offsetWidth / this.el[0].offsetWidth;
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+ } else {
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+ return 0
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+ }
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+ },
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+ getAspectRatio: function() {
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+ if (this.el[0]) {
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+ var offsetHeight = this.el[0].offsetHeight;
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+ return this.container[0].offsetWidth / offsetHeight;
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+ } else {
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+ return 0
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+ }
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+
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+ },
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+ getCurrentZoomCenter: function() {
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+ var length = this.container[0].offsetWidth * this.zoomFactor,
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+ offsetLeft = this.offset.x,
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+ offsetRight = length - offsetLeft - this.container[0].offsetWidth,
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+ widthOffsetRatio = offsetLeft / offsetRight,
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+ centerX = widthOffsetRatio * this.container[0].offsetWidth / (widthOffsetRatio + 1),
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+
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+ height = this.container[0].offsetHeight * this.zoomFactor,
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+ offsetTop = this.offset.y,
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+ offsetBottom = height - offsetTop - this.container[0].offsetHeight,
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+ heightOffsetRatio = offsetTop / offsetBottom,
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+ centerY = heightOffsetRatio * this.container[0].offsetHeight / (heightOffsetRatio + 1);
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+
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+ if (offsetRight === 0) {
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+ centerX = this.container[0].offsetWidth;
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+ }
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+ if (offsetBottom === 0) {
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+ centerY = this.container[0].offsetHeight;
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+ }
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+
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+ return {
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+ x: centerX,
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+ y: centerY
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+ };
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+ },
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+
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+ canDrag: function() {
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+ return !isCloseTo(this.zoomFactor, 1);
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+ },
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+
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+ getTouches: function(event) {
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+ var position = this.container.offset();
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+ return Array.prototype.slice.call(event.touches).map(function(touch) {
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+ return {
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+ x: touch.pageX - position.left,
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+ y: touch.pageY - position.top
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+ };
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+ });
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+ },
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+ animate: function(duration, framefn, timefn, callback) {
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+ var startTime = new Date().getTime(),
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+ renderFrame = (function() {
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+ if (!this.inAnimation) {
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+ return;
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+ }
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+ var frameTime = new Date().getTime() - startTime,
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+ progress = frameTime / duration;
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+ if (frameTime >= duration) {
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+ framefn(1);
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+ if (callback) {
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+ callback();
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+ }
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+ this.update();
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+ this.stopAnimation();
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+ } else {
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+ if (timefn) {
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+ progress = timefn(progress);
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+ }
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+ framefn(progress);
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+ this.update();
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+ requestAnimationFrame(renderFrame);
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+ }
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+ }).bind(this);
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+ this.inAnimation = true;
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+ requestAnimationFrame(renderFrame);
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+ },
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+ stopAnimation: function() {
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+ this.inAnimation = false;
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+
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+ },
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+ swing: function(p) {
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+ return -Math.cos(p * Math.PI) / 2 + 0.5;
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+ },
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+
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+ getContainerX: function() {
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+ if (this.el[0]) {
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+ return this.el[0].offsetWidth;
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+ } else {
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+ return 0;
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+ }
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+ },
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+
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+ getContainerY: function() {
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+ return this.el[0].offsetHeight;
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+ },
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+ setContainerY: function(y) {
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+ y = y.toFixed(2);
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+ return this.container.height(y);
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+ },
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+ setupMarkup: function() {
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+ this.container = $('<div class="pinch-zoom-container"></div>');
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+ this.el.before(this.container);
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+ this.container.append(this.el);
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+
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+ this.container.css({
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+ 'position': 'relative',
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+ });
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+
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+ this.el.css({
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+ '-webkit-transform-origin': '0% 0%',
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+ '-moz-transform-origin': '0% 0%',
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+ '-ms-transform-origin': '0% 0%',
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+ '-o-transform-origin': '0% 0%',
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+ 'transform-origin': '0% 0%',
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+ 'position': 'relative'
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+ });
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+
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+ },
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+
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+ end: function() {
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+ this.hasInteraction = false;
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+ this.sanitize();
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+ this.update();
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+
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+ },
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+ bindEvents: function() {
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+ detectGestures(this.container.eq(0), this, this.viewerContainer);
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+ $(g).on('resize', this.update.bind(this));
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+ $(this.el).find('img').on('load', this.update.bind(this));
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+
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+ },
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+ update: function() {
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+
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+ if (this.updatePlaned) {
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+ return;
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+ }
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+ this.updatePlaned = true;
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+ setTimeout((function() {
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+ this.updatePlaned = false;
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+ this.updateAspectRatio();
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+ var zoomFactor = this.getInitialZoomFactor() * this.zoomFactor,
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+ offsetX = (-this.offset.x / zoomFactor).toFixed(3),
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+ offsetY = (-this.offset.y / zoomFactor).toFixed(3);
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+ this.lastclientY = offsetY;
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+
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|
|
+ var transform3d = 'scale3d(' + zoomFactor + ', ' + zoomFactor + ',1) ' +
|
|
|
+ 'translate3d(' + offsetX + 'px,' + offsetY + 'px,0px)',
|
|
|
+ transform2d = 'scale(' + zoomFactor + ', ' + zoomFactor + ') ' +
|
|
|
+ 'translate(' + offsetX + 'px,' + offsetY + 'px)',
|
|
|
+ removeClone = (function() {
|
|
|
+ if (this.clone) {
|
|
|
+ this.clone.remove();
|
|
|
+ delete this.clone;
|
|
|
+ }
|
|
|
+ }).bind(this);
|
|
|
+ if (!this.options.use2d || this.hasInteraction || this.inAnimation) {
|
|
|
+ this.is3d = true;
|
|
|
+ this.el.css({
|
|
|
+ '-webkit-transform': transform3d,
|
|
|
+ '-o-transform': transform2d,
|
|
|
+ '-ms-transform': transform2d,
|
|
|
+ '-moz-transform': transform2d,
|
|
|
+ 'transform': transform3d
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ this.el.css({
|
|
|
+ '-webkit-transform': transform2d,
|
|
|
+ '-o-transform': transform2d,
|
|
|
+ '-ms-transform': transform2d,
|
|
|
+ '-moz-transform': transform2d,
|
|
|
+ 'transform': transform2d
|
|
|
+ });
|
|
|
+ this.is3d = false;
|
|
|
+ }
|
|
|
+ }).bind(this), 0);
|
|
|
+ },
|
|
|
+ enable: function() {
|
|
|
+ this.enabled = true;
|
|
|
+ },
|
|
|
+ disable: function() {
|
|
|
+ this.enabled = false;
|
|
|
+ },
|
|
|
+ destroy: function() {
|
|
|
+ var dom = this.el.clone();
|
|
|
+ var p = this.container.parent();
|
|
|
+ this.container.remove();
|
|
|
+ dom.removeAttr('style');
|
|
|
+ p.append(dom);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var detectGestures = function(el, target, viewerContainer) {
|
|
|
+ var interaction = null,
|
|
|
+ fingers = 0,
|
|
|
+ lastTouchStart = null,
|
|
|
+ startTouches = null,
|
|
|
+ lastTouchY = null,
|
|
|
+ clientY = null,
|
|
|
+ lastclientY = 0,
|
|
|
+ lastTop = 0,
|
|
|
+ setInteraction = function(newInteraction, event) {
|
|
|
+ if (interaction !== newInteraction) {
|
|
|
+
|
|
|
+ if (interaction && !newInteraction) {
|
|
|
+ switch (interaction) {
|
|
|
+ case "zoom":
|
|
|
+ target.handleZoomEnd(event);
|
|
|
+ break;
|
|
|
+ case 'drag':
|
|
|
+ target.handleDragEnd(event);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (newInteraction) {
|
|
|
+ case 'zoom':
|
|
|
+ target.handleZoomStart(event);
|
|
|
+ break;
|
|
|
+ case 'drag':
|
|
|
+ target.handleDragStart(event);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ interaction = newInteraction;
|
|
|
+ },
|
|
|
+
|
|
|
+ updateInteraction = function(event) {
|
|
|
+ if (fingers === 2) {
|
|
|
+ setInteraction('zoom');
|
|
|
+ } else if (fingers === 1 && target.canDrag()) {
|
|
|
+ setInteraction('drag', event);
|
|
|
+ } else {
|
|
|
+ setInteraction(null, event);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ targetTouches = function(touches) {
|
|
|
+ return Array.prototype.slice.call(touches).map(function(touch) {
|
|
|
+ return {
|
|
|
+ x: touch.pageX,
|
|
|
+ y: touch.pageY
|
|
|
+ };
|
|
|
+ });
|
|
|
+ },
|
|
|
+
|
|
|
+ getDistance = function(a, b) {
|
|
|
+ var x, y;
|
|
|
+ x = a.x - b.x;
|
|
|
+ y = a.y - b.y;
|
|
|
+ return Math.sqrt(x * x + y * y);
|
|
|
+ },
|
|
|
+
|
|
|
+ calculateScale = function(startTouches, endTouches) {
|
|
|
+ var startDistance = getDistance(startTouches[0], startTouches[1]),
|
|
|
+ endDistance = getDistance(endTouches[0], endTouches[1]);
|
|
|
+ return endDistance / startDistance;
|
|
|
+ },
|
|
|
+
|
|
|
+ cancelEvent = function(event) {
|
|
|
+ event.stopPropagation();
|
|
|
+ event.preventDefault();
|
|
|
+ },
|
|
|
+
|
|
|
+ detectDoubleTap = function(event) {
|
|
|
+ var time = (new Date()).getTime();
|
|
|
+ var pageY = event.changedTouches[0].pageY;
|
|
|
+ var top = parentNode.scrollTop || 0;
|
|
|
+ if (fingers > 1) {
|
|
|
+ lastTouchStart = null;
|
|
|
+ lastTouchY = null;
|
|
|
+ cancelEvent(event);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (time - lastTouchStart < 300 && Math.abs(pageY - lastTouchY) < 10 && Math.abs(lastTop - top) < 10) {
|
|
|
+ cancelEvent(event);
|
|
|
+ target.handleDoubleTap(event);
|
|
|
+ switch (interaction) {
|
|
|
+ case "zoom":
|
|
|
+ target.handleZoomEnd(event);
|
|
|
+ break;
|
|
|
+ case 'drag':
|
|
|
+ target.handleDragEnd(event);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (fingers === 1) {
|
|
|
+ lastTouchStart = time;
|
|
|
+ lastTouchY = pageY;
|
|
|
+ lastTop = top;
|
|
|
+ }
|
|
|
+ },
|
|
|
+ firstMove = true;
|
|
|
+ if (viewerContainer) {
|
|
|
+ var parentNode = viewerContainer[0];
|
|
|
+ }
|
|
|
+ if (parentNode) {
|
|
|
+ parentNode.addEventListener('touchstart', function(event) {
|
|
|
+ if (target.enabled) {
|
|
|
+ firstMove = true;
|
|
|
+ fingers = event.touches.length;
|
|
|
+ detectDoubleTap(event);
|
|
|
+ clientY = event.changedTouches[0].clientY;
|
|
|
+ if (fingers > 1) {
|
|
|
+ cancelEvent(event);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ parentNode.addEventListener('touchmove', function(event) {
|
|
|
+ if (target.enabled) {
|
|
|
+ lastclientY = event.changedTouches[0].clientY;
|
|
|
+ if (firstMove) {
|
|
|
+ updateInteraction(event);
|
|
|
+ startTouches = targetTouches(event.touches);
|
|
|
+ } else {
|
|
|
+ switch (interaction) {
|
|
|
+ case 'zoom':
|
|
|
+ target.handleZoom(event, calculateScale(startTouches, targetTouches(event.touches)));
|
|
|
+ break;
|
|
|
+ case 'drag':
|
|
|
+ target.handleDrag(event);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (interaction) {
|
|
|
+ target.update(lastclientY);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (fingers > 1) {
|
|
|
+ cancelEvent(event);
|
|
|
+ }
|
|
|
+ firstMove = false;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ parentNode.addEventListener('touchend', function(event) {
|
|
|
+ if (target.enabled) {
|
|
|
+ fingers = event.touches.length;
|
|
|
+ if (fingers > 1) {
|
|
|
+ cancelEvent(event);
|
|
|
+ }
|
|
|
+ updateInteraction(event);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+ return PinchZoom;
|
|
|
+ };
|
|
|
+ var PinchZoom = definePinchZoom($);
|
|
|
+ var Pdfh5 = function(dom, options) {
|
|
|
+ this.version = version;
|
|
|
+ this.container = $(dom);
|
|
|
+ this.options = options;
|
|
|
+ this.init();
|
|
|
+ };
|
|
|
+ Pdfh5.prototype = {
|
|
|
+ init: function() {
|
|
|
+ var self = this;
|
|
|
+ this.thePDF = null;
|
|
|
+ this.totalNum = null;
|
|
|
+ this.pages = null;
|
|
|
+ this.initTime = 0;
|
|
|
+ this.scale = 1;
|
|
|
+ this.currentNum = 1;
|
|
|
+ this.loadedCount = 0;
|
|
|
+ this.endTime = 0;
|
|
|
+ this.pinchZoom = null;
|
|
|
+ this.timer = null;
|
|
|
+ this.docWidth = document.documentElement.clientWidth;
|
|
|
+ this.winWidth = $(window).width();
|
|
|
+ this.cache = {};
|
|
|
+ this.eventType = {};
|
|
|
+ this.cacheNum = 1;
|
|
|
+ this.resizeEvent = false;
|
|
|
+ this.cacheData = null;
|
|
|
+ this.pdfjsLibPromise = null;
|
|
|
+ if (this.container[0].pdfLoaded) {
|
|
|
+ this.destroy();
|
|
|
+ }
|
|
|
+ this.container[0].pdfLoaded = false;
|
|
|
+ this.container.addClass("pdfjs")
|
|
|
+ this.initTime = new Date().getTime();
|
|
|
+ setTimeout(function() {
|
|
|
+ var arr1 = self.eventType["scroll"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, self.initTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }, 0)
|
|
|
+ this.options = this.options ? this.options : {};
|
|
|
+ this.options.pdfurl = this.options.pdfurl ? this.options.pdfurl : null;
|
|
|
+ this.options.data = this.options.data ? this.options.data : null;
|
|
|
+ this.options.scale = this.scale;
|
|
|
+ this.options.zoomEnable = this.options.zoomEnable === false ? false : true;
|
|
|
+ this.options.scrollEnable = this.options.scrollEnable === false ? false : true;
|
|
|
+ this.options.loadingBar = this.options.loadingBar === false ? false : true;
|
|
|
+ this.options.pageNum = this.options.pageNum === false ? false : true;
|
|
|
+ this.options.backTop = this.options.backTop === false ? false : true;
|
|
|
+ this.options.URIenable = this.options.URIenable === true ? true : false;
|
|
|
+ this.options.fullscreen = this.options.fullscreen === false ? false : true;
|
|
|
+ this.options.lazy = this.options.lazy === true ? true : false;
|
|
|
+ this.options.renderType = this.options.renderType === "svg" ? "svg" : "canvas";
|
|
|
+ this.options.resize = this.options.resize === false ? false : true;
|
|
|
+ if (this.options.limit) {
|
|
|
+ var n = parseFloat(this.options.limit)
|
|
|
+ this.options.limit = isNaN(n) ? 0 : n < 0 ? 0 : n;
|
|
|
+ } else {
|
|
|
+ this.options.limit = 0
|
|
|
+ }
|
|
|
+ var html = '<div class="loadingBar">' +
|
|
|
+ '<div class="progress">' +
|
|
|
+ ' <div class="glimmer">' +
|
|
|
+ '</div>' +
|
|
|
+ ' </div>' +
|
|
|
+ '</div>' +
|
|
|
+ '<div class="pageNum">' +
|
|
|
+ '<div class="pageNum-bg"></div>' +
|
|
|
+ ' <div class="pageNum-num">' +
|
|
|
+ ' <span class="pageNow">1</span>/' +
|
|
|
+ '<span class="pageTotal">1</span>' +
|
|
|
+ '</div>' +
|
|
|
+ ' </div>' +
|
|
|
+ '<div class="backTop">' +
|
|
|
+ '</div>' +
|
|
|
+ '<div class="loadEffect loading"></div>';
|
|
|
+ if (!this.container.find('.pageNum')[0]) {
|
|
|
+ this.container.append(html);
|
|
|
+ }
|
|
|
+ var viewer = document.createElement("div");
|
|
|
+ viewer.className = 'pdfViewer';
|
|
|
+ var viewerContainer = document.createElement("div");
|
|
|
+ viewerContainer.className = 'viewerContainer';
|
|
|
+ viewerContainer.appendChild(viewer);
|
|
|
+ this.container.append(viewerContainer);
|
|
|
+ this.viewer = $(viewer);
|
|
|
+ this.viewerContainer = $(viewerContainer);
|
|
|
+ this.pageNum = this.container.find('.pageNum');
|
|
|
+ this.pageNow = this.pageNum.find('.pageNow');
|
|
|
+ this.pageTotal = this.pageNum.find('.pageTotal');
|
|
|
+ this.loadingBar = this.container.find('.loadingBar');
|
|
|
+ this.progress = this.loadingBar.find('.progress');
|
|
|
+ this.progressDom = this.progress[0];
|
|
|
+ this.backTop = this.container.find('.backTop');
|
|
|
+ this.loading = this.container.find('.loading');
|
|
|
+ if (!this.options.loadingBar) {
|
|
|
+ this.loadingBar.hide()
|
|
|
+ }
|
|
|
+ var containerH = this.container.height(),
|
|
|
+ height = containerH * (1 / 3);
|
|
|
+
|
|
|
+ if (!this.options.scrollEnable) {
|
|
|
+ this.viewerContainer.css({
|
|
|
+ "overflow": "hidden"
|
|
|
+ })
|
|
|
+ } else {
|
|
|
+ this.viewerContainer.css({
|
|
|
+ "overflow": "auto"
|
|
|
+ })
|
|
|
+ }
|
|
|
+ viewerContainer.addEventListener('scroll', function() {
|
|
|
+ var scrollTop = viewerContainer.scrollTop;
|
|
|
+ if (scrollTop >= 150) {
|
|
|
+ if (self.options.backTop) {
|
|
|
+ self.backTop.show();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (self.options.backTop) {
|
|
|
+ self.backTop.fadeOut(200);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (self.viewerContainer) {
|
|
|
+ self.pages = self.viewerContainer.find('.pageContainer');
|
|
|
+ }
|
|
|
+ clearTimeout(self.timer);
|
|
|
+ if (self.options.pageNum && self.pageNum) {
|
|
|
+ self.pageNum.show();
|
|
|
+ }
|
|
|
+ var h = containerH;
|
|
|
+ if (self.pages) {
|
|
|
+ self.pages.each(function(index, obj) {
|
|
|
+ var top = obj.getBoundingClientRect().top;
|
|
|
+ var bottom = obj.getBoundingClientRect().bottom;
|
|
|
+ if (top <= height && bottom > height) {
|
|
|
+ if (self.options.pageNum) {
|
|
|
+ self.pageNow.text(index + 1)
|
|
|
+ }
|
|
|
+ self.currentNum = index + 1;
|
|
|
+ }
|
|
|
+ if (top <= h && bottom > h) {
|
|
|
+ self.cacheNum = index + 1;
|
|
|
+ }
|
|
|
+ })
|
|
|
+ }
|
|
|
+ if (scrollTop + self.container.height() >= self.viewer[0].offsetHeight) {
|
|
|
+ self.pageNow.text(self.totalNum)
|
|
|
+ }
|
|
|
+ if (scrollTop === 0) {
|
|
|
+ self.pageNow.text(1)
|
|
|
+ }
|
|
|
+ self.timer = setTimeout(function() {
|
|
|
+ if (self.options.pageNum && self.pageNum) {
|
|
|
+ self.pageNum.fadeOut(200);
|
|
|
+ }
|
|
|
+ }, 1500)
|
|
|
+ if (self.options.lazy) {
|
|
|
+ var num = Math.floor(100 / self.totalNum).toFixed(2);
|
|
|
+ if (self.cache[self.cacheNum + ""] && !self.cache[self.cacheNum + ""].loaded) {
|
|
|
+ var page = self.cache[self.cacheNum + ""].page;
|
|
|
+ var container = self.cache[self.cacheNum + ""].container;
|
|
|
+ var pageNum = self.cacheNum;
|
|
|
+ self.cache[pageNum + ""].loaded = true;
|
|
|
+ var scaledViewport = self.cache[pageNum + ""].scaledViewport;
|
|
|
+ if (self.options.renderType === "svg") {
|
|
|
+ self.renderSvg(page, scaledViewport, pageNum, num, container, self.options)
|
|
|
+ } else {
|
|
|
+ self.renderCanvas(page, scaledViewport, pageNum, num, container, self.options)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (self.cache[(self.totalNum - 1) + ""] && self.cache[(self.totalNum - 1) + ""].loaded && !self.cache[self.totalNum + ""].loaded) {
|
|
|
+ var page = self.cache[self.totalNum + ""].page;
|
|
|
+ var container = self.cache[self.totalNum + ""].container;
|
|
|
+ var pageNum = self.totalNum;
|
|
|
+ self.cache[pageNum + ""].loaded = true;
|
|
|
+ var scaledViewport = self.cache[pageNum + ""].scaledViewport;
|
|
|
+ if (self.options.renderType === "svg") {
|
|
|
+ self.renderSvg(page, scaledViewport, pageNum, num, container, self.options)
|
|
|
+ } else {
|
|
|
+ self.renderCanvas(page, scaledViewport, pageNum, num, container, self.options)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr1 = self.eventType["scroll"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, scrollTop)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ })
|
|
|
+ this.backTop.on('click tap', function() {
|
|
|
+ var mart = self.viewer.css('transform');
|
|
|
+ var arr = mart.replace(/[a-z\(\)\s]/g, '').split(',');
|
|
|
+ var s1 = arr[0];
|
|
|
+ var s2 = arr[3];
|
|
|
+ var x = arr[4] / 2;
|
|
|
+ var left = self.viewer[0].getBoundingClientRect().left;
|
|
|
+ if (left <= -self.docWidth * 2) {
|
|
|
+ x = -self.docWidth / 2
|
|
|
+ }
|
|
|
+ self.viewer.css({
|
|
|
+ transform: 'scale(' + s1 + ', ' + s2 + ') translate(' + x + 'px, 0px)'
|
|
|
+ })
|
|
|
+ if (self.pinchZoom) {
|
|
|
+ self.pinchZoom.offset.y = 0;
|
|
|
+ self.pinchZoom.lastclientY = 0;
|
|
|
+ }
|
|
|
+ self.viewerContainer.animate({
|
|
|
+ scrollTop: 0
|
|
|
+ }, 300)
|
|
|
+ var arr1 = self.eventType["backTop"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ })
|
|
|
+
|
|
|
+ function GetQueryString(name) {
|
|
|
+ var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
|
|
|
+ var r = g.location.search.substr(1).match(reg);
|
|
|
+ if (r != null) return decodeURIComponent(r[2]);
|
|
|
+ return "";
|
|
|
+ }
|
|
|
+ var pdfurl = GetQueryString("file"),
|
|
|
+ url = "";
|
|
|
+ if (pdfurl && self.options.URIenable) {
|
|
|
+ url = pdfurl
|
|
|
+ } else if (self.options.pdfurl) {
|
|
|
+ url = self.options.pdfurl
|
|
|
+ }
|
|
|
+ if (self.options.loadingBar) {
|
|
|
+ self.loadingBar.show();
|
|
|
+ self.progress.css({
|
|
|
+ width: "3%"
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ if (url) {
|
|
|
+ $.ajax({
|
|
|
+ type: "get",
|
|
|
+ mimeType: 'text/plain; charset=x-user-defined',
|
|
|
+ url: url,
|
|
|
+ success: function(data) {
|
|
|
+ var rawLength = data.length;
|
|
|
+ // var array = new Uint8Array(new ArrayBuffer(rawLength));
|
|
|
+ // for (i = 0; i < rawLength; i++) {
|
|
|
+ // array[i] = data.charCodeAt(i) & 0xff;
|
|
|
+ // }
|
|
|
+ var array = [];
|
|
|
+ for (i = 0; i < rawLength; i++) {
|
|
|
+ array.push(data.charCodeAt(i) & 0xff);
|
|
|
+ }
|
|
|
+ self.cacheData = array
|
|
|
+ self.renderPdf(self.options, {
|
|
|
+ data: array
|
|
|
+ })
|
|
|
+ },
|
|
|
+ error: function(err) {
|
|
|
+ self.loading.hide()
|
|
|
+ var time = new Date().getTime();
|
|
|
+ self.endTime = time - self.initTime;
|
|
|
+ var arr1 = self.eventType["complete"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, "error", err.statusText, self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr2 = self.eventType["error"];
|
|
|
+ if (arr2 && arr2 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr2.length; i++) {
|
|
|
+ arr2[i] && arr2[i].call(self, err.statusText, self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ throw Error(err.statusText)
|
|
|
+ }
|
|
|
+ });
|
|
|
+ } else if (self.options.data) {
|
|
|
+ var data = self.options.data;
|
|
|
+ var rawLength = data.length;
|
|
|
+ if (typeof data === "string" && data != "") {
|
|
|
+ var array = [];
|
|
|
+ for (i = 0; i < rawLength; i++) {
|
|
|
+ array.push(data.charCodeAt(i) & 0xff);
|
|
|
+ }
|
|
|
+ self.cacheData = array
|
|
|
+ self.renderPdf(self.options, {
|
|
|
+ data: array
|
|
|
+ })
|
|
|
+ } else if (typeof data === "object") {
|
|
|
+ if (data.length == 0) {
|
|
|
+ var time = new Date().getTime();
|
|
|
+ self.endTime = time - self.initTime;
|
|
|
+ var arr1 = self.eventType["complete"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, "error", "options.data is empty Array", self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr2 = self.eventType["error"];
|
|
|
+ if (arr2 && arr2 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr2.length; i++) {
|
|
|
+ arr2[i] && arr2[i].call(self, "options.data is empty Array", self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ throw Error("options.data is empty Array")
|
|
|
+ } else {
|
|
|
+ self.cacheData = data
|
|
|
+ self.renderPdf(self.options, {
|
|
|
+ data: data
|
|
|
+ })
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ var time = new Date().getTime();
|
|
|
+ self.endTime = time - self.initTime;
|
|
|
+ var arr1 = self.eventType["complete"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, "error", "Expect options.pdfurl or options.data!", self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr2 = self.eventType["error"];
|
|
|
+ if (arr2 && arr2 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr2.length; i++) {
|
|
|
+ arr2[i] && arr2[i].call(self, "Expect options.pdfurl or options.data!", self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ throw Error("Expect options.pdfurl or options.data!")
|
|
|
+ }
|
|
|
+ },
|
|
|
+ renderPdf: function(options, obj) {
|
|
|
+ this.container[0].pdfLoaded = true;
|
|
|
+ var self = this;
|
|
|
+ if (options.cMapUrl) {
|
|
|
+ obj.cMapUrl = options.cMapUrl;
|
|
|
+ } else {
|
|
|
+ obj.cMapUrl = 'https://unpkg.com/pdfjs-dist@2.0.943/cmaps/';
|
|
|
+ }
|
|
|
+ obj.cMapPacked = true;
|
|
|
+
|
|
|
+ this.pdfjsLibPromise = pdfjsLib.getDocument(obj).then(function(pdf) {
|
|
|
+ self.loading.hide()
|
|
|
+ self.thePDF = pdf;
|
|
|
+ self.totalNum = pdf.numPages;
|
|
|
+ if (options.limit > 0) {
|
|
|
+ self.totalNum = options.limit
|
|
|
+ }
|
|
|
+ self.pageTotal.text(self.totalNum)
|
|
|
+ if (!self.pinchZoom) {
|
|
|
+ var arr1 = self.eventType["ready"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ self.pinchZoom = new PinchZoom(self.viewer, {
|
|
|
+ tapZoomFactor: options.tapZoomFactor,
|
|
|
+ zoomOutFactor: options.zoomOutFactor,
|
|
|
+ animationDuration: options.animationDuration,
|
|
|
+ maxZoom: options.maxZoom,
|
|
|
+ minZoom: options.minZoom
|
|
|
+ }, self.viewerContainer);
|
|
|
+ var timeout, firstZoom = true;
|
|
|
+ self.pinchZoom.done = function(scale) {
|
|
|
+ clearTimeout(timeout)
|
|
|
+ timeout = setTimeout(function() {
|
|
|
+ if (self.options.renderType === "svg") {
|
|
|
+ return
|
|
|
+ }
|
|
|
+ if (scale <= 1 || self.options.scale == 3) {
|
|
|
+ return
|
|
|
+ }
|
|
|
+ console.log(scale, self.options.scale)
|
|
|
+ if (self.thePDF) {
|
|
|
+ self.thePDF.destroy();
|
|
|
+ self.thePDF = null;
|
|
|
+ }
|
|
|
+ self.options.scale = scale;
|
|
|
+ self.renderPdf(self.options, { data: self.cacheData })
|
|
|
+ }, 310)
|
|
|
+ if (scale == 1) {
|
|
|
+ if (self.viewerContainer) {
|
|
|
+ self.viewerContainer.css({
|
|
|
+ '-webkit-overflow-scrolling': 'touch'
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ if (self.viewerContainer) {
|
|
|
+ self.viewerContainer.css({
|
|
|
+ '-webkit-overflow-scrolling': 'auto'
|
|
|
+ })
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr1 = self.eventType["zoom"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, scale)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (options.zoomEnable) {
|
|
|
+ self.pinchZoom.enable()
|
|
|
+ } else {
|
|
|
+ self.pinchZoom.disable()
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ var promise = Promise.resolve();
|
|
|
+ var num = Math.floor(100 / self.totalNum).toFixed(2);
|
|
|
+ for (var i = 1; i <= self.totalNum; i++) {
|
|
|
+ self.cache[i + ""] = {
|
|
|
+ page: null,
|
|
|
+ loaded: false,
|
|
|
+ container: null,
|
|
|
+ scaledViewport: null
|
|
|
+ };
|
|
|
+ promise = promise.then(function(pageNum) {
|
|
|
+ return self.thePDF.getPage(pageNum).then(function(page) {
|
|
|
+ self.cache[pageNum + ""].page = page;
|
|
|
+ var viewport = page.getViewport(options.scale);
|
|
|
+ var scale = (self.docWidth / viewport.width).toFixed(2)
|
|
|
+ var scaledViewport = page.getViewport(parseFloat(scale))
|
|
|
+ var div = document.getElementById('pageContainer' + pageNum)
|
|
|
+ var container;
|
|
|
+ if (!div) {
|
|
|
+ container = document.createElement('div');
|
|
|
+ container.id = 'pageContainer' + pageNum;
|
|
|
+ container.className = 'pageContainer';
|
|
|
+ container.setAttribute('name', 'page=' + pageNum);
|
|
|
+ container.setAttribute('title', 'Page ' + pageNum);
|
|
|
+ var loadEffect = document.createElement('div');
|
|
|
+ loadEffect.className = 'loadEffect';
|
|
|
+ container.appendChild(loadEffect);
|
|
|
+ self.viewer[0].appendChild(container);
|
|
|
+ if (window.ActiveXObject || "ActiveXObject" in window) {
|
|
|
+ $(container).css({
|
|
|
+ 'width': viewport.width + 'px',
|
|
|
+ "height": viewport.height + 'px'
|
|
|
+ }).attr("data-scale", viewport.width / viewport.height)
|
|
|
+ } else {
|
|
|
+ var h = $(container).width() / (viewport.viewBox[2] / viewport.viewBox[3]);
|
|
|
+ if (h > viewport.height) {
|
|
|
+ h = viewport.height
|
|
|
+ }
|
|
|
+ $(container).css({
|
|
|
+ 'max-width': viewport.width,
|
|
|
+ "max-height": viewport.height,
|
|
|
+ "min-height": h + 'px'
|
|
|
+ }).attr("data-scale", viewport.width / viewport.height)
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ container = div
|
|
|
+ }
|
|
|
+ self.cache[pageNum + ""].container = container;
|
|
|
+ self.cache[pageNum + ""].scaledViewport = scaledViewport;
|
|
|
+ var sum = 0,
|
|
|
+ containerH = self.container.height();
|
|
|
+ self.pages = self.viewerContainer.find('.pageContainer');
|
|
|
+ if (options.resize) {
|
|
|
+ self.resize()
|
|
|
+ }
|
|
|
+ if (self.pages && options.lazy) {
|
|
|
+ self.pages.each(function(index, obj) {
|
|
|
+ var top = obj.offsetTop;
|
|
|
+ if (top <= containerH) {
|
|
|
+ sum = index + 1;
|
|
|
+ self.cache[sum + ""].loaded = true;
|
|
|
+ }
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ if (pageNum > sum && options.lazy) {
|
|
|
+ return
|
|
|
+ }
|
|
|
+ if (options.renderType === "svg") {
|
|
|
+ return self.renderSvg(page, scaledViewport, pageNum, num, container, options, viewport)
|
|
|
+ }
|
|
|
+ return self.renderCanvas(page, scaledViewport, pageNum, num, container, options)
|
|
|
+ });
|
|
|
+ }.bind(null, i));
|
|
|
+ }
|
|
|
+
|
|
|
+ }).catch(function(err) {
|
|
|
+ self.loading.hide();
|
|
|
+ var time = new Date().getTime();
|
|
|
+ self.endTime = time - self.initTime;
|
|
|
+ var arr1 = self.eventType["complete"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, "error", err.message, self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr2 = self.eventType["error"];
|
|
|
+ if (arr2 && arr2 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr2.length; i++) {
|
|
|
+ arr2[i] && arr2[i].call(self, err.message, self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ })
|
|
|
+ },
|
|
|
+ renderSvg: function(page, scaledViewport, pageNum, num, container, options, viewport) {
|
|
|
+ var self = this;
|
|
|
+ return page.getOperatorList().then(function(opList) {
|
|
|
+ var svgGfx = new pdfjsLib.SVGGraphics(page.commonObjs, page.objs);
|
|
|
+ return svgGfx.getSVG(opList, scaledViewport).then(function(svg) {
|
|
|
+ self.loadedCount++;
|
|
|
+ container.children[0].style.display = "none";
|
|
|
+ container.appendChild(svg);
|
|
|
+ svg.style.width = "100%";
|
|
|
+ svg.style.height = "100%";
|
|
|
+ if (self.options.loadingBar) {
|
|
|
+ self.progress.css({
|
|
|
+ width: num * self.loadedCount + "%"
|
|
|
+ })
|
|
|
+ }
|
|
|
+ var time = new Date().getTime();
|
|
|
+ var arr1 = self.eventType["render"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, pageNum, time - self.initTime, container)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (self.loadedCount === self.totalNum) {
|
|
|
+ self.finalRender(options)
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ },
|
|
|
+ renderCanvas: function(page, viewport, pageNum, num, container, options) {
|
|
|
+ var self = this;
|
|
|
+ var viewport = page.getViewport(options.scale);
|
|
|
+ var scale = (self.docWidth / viewport.width).toFixed(2)
|
|
|
+ var canvas = document.createElement("canvas");
|
|
|
+ var obj2 = {
|
|
|
+ 'Cheight': viewport.height * scale,
|
|
|
+ 'width': viewport.width,
|
|
|
+ 'height': viewport.height,
|
|
|
+ 'canvas': canvas,
|
|
|
+ 'index': self.loadedCount
|
|
|
+ }
|
|
|
+ var context = canvas.getContext('2d');
|
|
|
+ canvas.height = viewport.height;
|
|
|
+ canvas.width = viewport.width;
|
|
|
+ if (self.options.loadingBar) {
|
|
|
+ self.progress.css({
|
|
|
+ width: num * self.loadedCount + "%"
|
|
|
+ })
|
|
|
+ }
|
|
|
+ obj2.src = obj2.canvas.toDataURL("image/jpeg");
|
|
|
+ return page.render({
|
|
|
+ canvasContext: context,
|
|
|
+ viewport: viewport
|
|
|
+ }).then(function() {
|
|
|
+ self.loadedCount++;
|
|
|
+ var img = new Image();
|
|
|
+ var time = new Date().getTime();
|
|
|
+ var time2 = 0;
|
|
|
+ if (self.renderTime == 0) {
|
|
|
+ time2 = time - self.startTime
|
|
|
+ } else {
|
|
|
+ time2 = time - self.renderTime
|
|
|
+ }
|
|
|
+ obj2.src = obj2.canvas.toDataURL("image/jpeg");
|
|
|
+ img.src = obj2.src;
|
|
|
+ img.className = "canvasImg" + pageNum;
|
|
|
+ var img0 = $("#pageContainer" + pageNum).find(".canvasImg" + pageNum)[0];
|
|
|
+ if (container && !img0) {
|
|
|
+ container.appendChild(img);
|
|
|
+ img.onload = function() {
|
|
|
+ // $(container).css({
|
|
|
+ // "min-height": img.height + 'px'
|
|
|
+ // })
|
|
|
+ }
|
|
|
+ } else if (img0) {
|
|
|
+ img0.src = obj2.src
|
|
|
+ }
|
|
|
+ var time = new Date().getTime();
|
|
|
+ var arr1 = self.eventType["render"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, pageNum, time - self.initTime, container)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (self.loadedCount === self.totalNum) {
|
|
|
+ self.finalRender(options)
|
|
|
+ }
|
|
|
+ })
|
|
|
+ },
|
|
|
+ finalRender: function(options) {
|
|
|
+ var time = new Date().getTime();
|
|
|
+ var self = this;
|
|
|
+ if (self.options.loadingBar) {
|
|
|
+ self.progress.css({
|
|
|
+ width: "100%"
|
|
|
+ });
|
|
|
+ }
|
|
|
+ setTimeout(function() {
|
|
|
+ self.loadingBar.hide();
|
|
|
+ }, 300)
|
|
|
+ self.endTime = time - self.initTime;
|
|
|
+ if (options.renderType === "svg") {
|
|
|
+ if (self.totalNum !== 1) {
|
|
|
+ self.cache[(self.totalNum - 1) + ""].loaded = true;
|
|
|
+ } else {
|
|
|
+ self.cache["1"].loaded = true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (options.zoomEnable) {
|
|
|
+ if (self.pinchZoom) {
|
|
|
+ self.pinchZoom.enable()
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (self.pinchZoom) {
|
|
|
+ self.pinchZoom.disable()
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr1 = self.eventType["complete"];
|
|
|
+ if (arr1 && arr1 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr1.length; i++) {
|
|
|
+ arr1[i] && arr1[i].call(self, "success", "pdf加载完成", self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var arr2 = self.eventType["success"];
|
|
|
+ if (arr2 && arr2 instanceof Array) {
|
|
|
+ for (var i = 0; i < arr2.length; i++) {
|
|
|
+ arr2[i] && arr2[i].call(self, self.endTime)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ resize: function() {
|
|
|
+ var self = this;
|
|
|
+ if (self.resizeEvent) {
|
|
|
+ return
|
|
|
+ }
|
|
|
+ self.resizeEvent = true;
|
|
|
+ var timer;
|
|
|
+ if (self.pages) {
|
|
|
+ self.getH()
|
|
|
+ $(window).on("resize", function() {
|
|
|
+ clearTimeout(timer)
|
|
|
+ timer = setTimeout(function() {
|
|
|
+ var winWidth = $(window).width();
|
|
|
+ if (self.winWidth !== winWidth) {
|
|
|
+ self.pages.each(function(i, item) {
|
|
|
+ var w = $(item).width(),
|
|
|
+ s = $(item).attr("data-scale");
|
|
|
+ $(item).css({
|
|
|
+ "min-height": w / s + 'px'
|
|
|
+ })
|
|
|
+ })
|
|
|
+ }
|
|
|
+ self.getH()
|
|
|
+ }, 300)
|
|
|
+ })
|
|
|
+ }
|
|
|
+ },
|
|
|
+ getH: function() {
|
|
|
+ var self = this;
|
|
|
+ var num = 0;
|
|
|
+ self.pages.each(function(i, item) {
|
|
|
+ var w = $(item).height();
|
|
|
+ num + w
|
|
|
+ })
|
|
|
+ $(".pinch-zoom-container").height(num)
|
|
|
+ },
|
|
|
+ show: function(callback) {
|
|
|
+ this.container.show();
|
|
|
+ callback && callback.call(this)
|
|
|
+ var arr = this.eventType["show"];
|
|
|
+ if (arr && arr instanceof Array) {
|
|
|
+ for (var i = 0; i < arr.length; i++) {
|
|
|
+ arr[i] && arr[i].call(this)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ hide: function(callback) {
|
|
|
+ this.container.hide()
|
|
|
+ callback && callback.call(this)
|
|
|
+ var arr = this.eventType["hide"];
|
|
|
+ if (arr && arr instanceof Array) {
|
|
|
+ for (var i = 0; i < arr.length; i++) {
|
|
|
+ arr[i] && arr[i].call(this)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ on: function(type, callback) {
|
|
|
+ if (this.eventType[type] && this.eventType[type] instanceof Array) {
|
|
|
+ this.eventType[type].push(callback)
|
|
|
+ }
|
|
|
+ this.eventType[type] = [callback]
|
|
|
+ },
|
|
|
+ off: function(type) {
|
|
|
+ if (type !== undefined) {
|
|
|
+ this.eventType[type] = [null]
|
|
|
+ } else {
|
|
|
+ for (var i in this.eventType) {
|
|
|
+ this.eventType[i] = [null]
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ scrollEnable: function(flag) {
|
|
|
+ if (flag === false) {
|
|
|
+ this.viewerContainer.css({
|
|
|
+ "overflow": "hidden"
|
|
|
+ })
|
|
|
+ } else {
|
|
|
+ this.viewerContainer.css({
|
|
|
+ "overflow": "auto"
|
|
|
+ })
|
|
|
+ }
|
|
|
+ var arr = this.eventType["scrollEnable"];
|
|
|
+ if (arr && arr instanceof Array) {
|
|
|
+ for (var i = 0; i < arr.length; i++) {
|
|
|
+ arr[i] && arr[i].call(this, flag)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ zoomEnable: function(flag) {
|
|
|
+ if (!this.pinchZoom) {
|
|
|
+ return
|
|
|
+ }
|
|
|
+ if (flag === false) {
|
|
|
+ this.pinchZoom.disable()
|
|
|
+ } else {
|
|
|
+ this.pinchZoom.enable()
|
|
|
+ }
|
|
|
+ var arr = this.eventType["zoomEnable"];
|
|
|
+ if (arr && arr instanceof Array) {
|
|
|
+ for (var i = 0; i < arr.length; i++) {
|
|
|
+ arr[i] && arr[i].call(this, flag)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ reset: function(callback) {
|
|
|
+ if (this.pinchZoom) {
|
|
|
+ this.pinchZoom.offset.y = 0;
|
|
|
+ this.pinchZoom.offset.x = 0;
|
|
|
+ this.pinchZoom.lastclientY = 0;
|
|
|
+ this.pinchZoom.zoomFactor = 1;
|
|
|
+ this.pinchZoom.update();
|
|
|
+ }
|
|
|
+ if (this.viewerContainer) {
|
|
|
+ this.viewerContainer.scrollTop(0);
|
|
|
+ }
|
|
|
+ callback && callback.call(this)
|
|
|
+ var arr = this.eventType["reset"];
|
|
|
+ if (arr && arr instanceof Array) {
|
|
|
+ for (var i = 0; i < arr.length; i++) {
|
|
|
+ arr[i] && arr[i].call(this)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ destroy: function(callback) {
|
|
|
+ this.reset();
|
|
|
+ this.off();
|
|
|
+ if (this.thePDF) {
|
|
|
+ this.thePDF.destroy();
|
|
|
+ this.thePDF = null;
|
|
|
+ }
|
|
|
+ if (this.viewerContainer) {
|
|
|
+ this.viewerContainer.remove();
|
|
|
+ this.viewerContainer = null;
|
|
|
+ }
|
|
|
+ if (this.container) {
|
|
|
+ this.container.html('');
|
|
|
+ }
|
|
|
+ this.totalNum = null;
|
|
|
+ this.pages = null;
|
|
|
+ this.initTime = 0;
|
|
|
+ this.endTime = 0;
|
|
|
+ this.viewer = null;
|
|
|
+ this.pageNum = null;
|
|
|
+ this.pageNow = null;
|
|
|
+ this.pageTotal = null;
|
|
|
+ this.loadingBar = null;
|
|
|
+ this.progress = null;
|
|
|
+ this.loadedCount = 0;
|
|
|
+ this.timer = null;
|
|
|
+ this.show = null;
|
|
|
+ this.hide = null;
|
|
|
+ callback && callback.call(this)
|
|
|
+ var arr = this.eventType["destroy"];
|
|
|
+ if (arr && arr instanceof Array) {
|
|
|
+ for (var i = 0; i < arr.length; i++) {
|
|
|
+ arr[i] && arr[i].call(this)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return Pdfh5;
|
|
|
+});
|