367 lines
10 KiB
JavaScript
367 lines
10 KiB
JavaScript
/**
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* Created by CS medien- & kommunikationssysteme.
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* @author Christian Steinle
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* @date 24.12.2016
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*
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* @copyright CS medien- & kommunikationssysteme (http://www.steinle-computer.de)
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*/
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$(document).ready(function () {
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slider.init();
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kenBurns.init();
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});
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$(window).resize(function () {
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slider.initVariables();
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kenBurns.initVariables();
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});
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var slider = {
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interval: null,
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displayTime: 4000,
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animationTime: 400,
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actualImageID: -1,
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actualImage: null,
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nextImageID: 0,
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nextImage: null,
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countImages: 0,
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animationWidth: 0,
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animationHeight: 0,
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sliderElement: null,
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sliderImages: null,
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availableAnimations: [
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'left',
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'top',
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'width',
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'height',
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'opacity'
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],
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animation: {},
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init: function () {
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slider.initElements();
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slider.initVariables();
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slider.interval = window.setInterval(slider.doAnimation, slider.displayTime);
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},
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initElements: function () {
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slider.sliderElement = $('.slider');
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slider.sliderImages = $('img', slider.sliderElement);
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},
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initVariables: function () {
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slider.countImages = slider.sliderImages.length;
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if (slider.countImages === 0) {
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return false;
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}
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slider.animationWidth = slider.sliderElement.width();
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slider.animationHeight = keyVisualData.height * slider.animationWidth / keyVisualData.width;
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slider.sliderElement.css('height', slider.animationHeight);
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slider.setNextImages();
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},
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setNextImages: function () {
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++slider.actualImageID;
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++slider.nextImageID;
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if (slider.actualImageID === slider.countImages) {
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slider.actualImageID = 0;
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}
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if (slider.nextImageID === slider.countImages) {
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slider.nextImageID = 0;
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}
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slider.actualImage = $(slider.sliderImages[slider.actualImageID]);
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slider.nextImage = $(slider.sliderImages[slider.nextImageID]);
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},
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doAnimation: function () {
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if (slider.countImages < 2) {
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return false;
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}
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var animationKey = Math.floor(Math.random() * slider.availableAnimations.length);
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var animationName = slider.availableAnimations[animationKey];
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slider.resetUnusedImages();
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switch (animationName) {
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case 'left':
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slider.getShiftLeft();
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break;
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case 'top':
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slider.getShiftTop();
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break;
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case 'width':
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slider.getWidth();
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break;
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case 'height':
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slider.getHeight();
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break;
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case 'opacity':
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slider.getOpacity();
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break;
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default:
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slider.getShiftLeft();
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break;
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}
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slider.actualImage.show().animate(slider.animation.actual, slider.animationTime);
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slider.nextImage.show().animate(slider.animation.next, slider.animationTime);
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slider.setNextImages();
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},
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resetUnusedImages: function () {
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slider.sliderImages.each(function (imageID, imageElement) {
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var image = $(imageElement);
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if (imageID !== slider.actualImageID && imageID !== slider.nextImageID) {
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image.hide();
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}
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image.css({
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left: 0,
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top: 0,
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width: slider.animationWidth,
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height: slider.animationHeight,
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opacity: 1
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});
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});
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},
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getShiftLeft: function () {
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slider.nextImage.css({left: slider.animationWidth});
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slider.animation.next = {left: 0};
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slider.animation.actual = {left: -1 * slider.animationWidth, opacity: 0};
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},
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getShiftTop: function () {
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slider.nextImage.css({top: slider.animationHeight});
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slider.animation.next = {top: 0};
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slider.animation.actual = {top: -1 * slider.animationHeight, opacity: 0};
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},
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getWidth: function () {
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slider.nextImage.css({width: 0, left: slider.animationWidth / 2, opacity: 0});
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slider.animation.next = {width: slider.animationWidth, left: 0, opacity: 1};
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slider.animation.actual = {width: 0, left: slider.animationWidth / 2, opacity: 0};
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},
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getHeight: function () {
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slider.nextImage.css({height: 0, top: slider.animationHeight / 2, opacity: 0});
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slider.animation.next = {height: slider.animationHeight, top: 0, opacity: 1};
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slider.animation.actual = {height: 0, top: slider.animationHeight / 2, opacity: 0};
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},
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getOpacity: function () {
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slider.nextImage.css({opacity: 0});
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slider.animation.next = {opacity: 1};
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slider.animation.actual = {opacity: 0};
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}
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};
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var kenBurns = {
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interval: null,
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displayTime: 5000,
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animationTime: 400,
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scaleFactor: 1.2,
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actualImageID: -1,
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actualImage: null,
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nextImageID: 0,
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nextImage: null,
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countImages: 0,
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animationWidth: 0,
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animationHeight: 0,
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kenBurnsElement: null,
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kenBurnsImages: null,
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animationParams: {},
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init: function () {
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kenBurns.initElements();
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kenBurns.initVariables();
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kenBurns.resetUnusedImages(true);
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kenBurns.doAnimation();
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kenBurns.interval = window.setInterval(kenBurns.doAnimation, kenBurns.displayTime);
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},
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initElements: function () {
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kenBurns.kenBurnsElement = $('.kenburns');
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kenBurns.kenBurnsImages = $('img', kenBurns.kenBurnsElement);
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},
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initVariables: function () {
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kenBurns.countImages = kenBurns.kenBurnsImages.length;
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if (kenBurns.countImages === 0) {
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return false;
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}
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kenBurns.animationWidth = kenBurns.kenBurnsElement.width();
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kenBurns.animationHeight = keyVisualData.height * kenBurns.animationWidth / keyVisualData.width;
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kenBurns.kenBurnsElement.css('height', kenBurns.animationHeight);
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kenBurns.setNextImages();
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},
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setNextImages: function () {
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++kenBurns.actualImageID;
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++kenBurns.nextImageID;
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if (kenBurns.actualImageID === kenBurns.countImages) {
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kenBurns.actualImageID = 0;
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}
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if (kenBurns.nextImageID === kenBurns.countImages) {
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kenBurns.nextImageID = 0;
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}
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kenBurns.actualImage = $(kenBurns.kenBurnsImages[kenBurns.actualImageID]);
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kenBurns.nextImage = $(kenBurns.kenBurnsImages[kenBurns.nextImageID]);
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},
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doAnimation: function () {
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if (kenBurns.countImages < 2) {
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return false;
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}
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kenBurns.resetUnusedImages(false);
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kenBurns.getAnimationParams();
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kenBurns.setNextImages();
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},
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resetUnusedImages: function (doAll) {
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kenBurns.kenBurnsImages.each(function (imageID, imageElement) {
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var image = $(imageElement);
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if ((imageID !== kenBurns.actualImageID && imageID !== kenBurns.nextImageID) || doAll === true) {
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var imageWidth = kenBurns.animationWidth;
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var imageHeight = kenBurns.animationHeight;
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if (image.data('zoom') === 'out') {
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imageWidth = kenBurns.animationWidth * kenBurns.scaleFactor;
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imageHeight = kenBurns.animationHeight * kenBurns.scaleFactor;
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}
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switch (image.data('start')) {
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case 'nw' :
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image.css({left: 0, top: 0, right: '', bottom: ''});
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break;
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case 'n':
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image.css({left: (kenBurns.animationWidth - imageWidth) / 2, top: 0, right: '', bottom: ''});
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break;
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case 'ne':
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image.css({left: '', top: 0, right: 0, bottom: ''});
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break;
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case 'e':
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image.css({left: '', top: (kenBurns.animationHeight - imageHeight) / 2, right: 0, bottom: ''});
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break;
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case 'se':
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image.css({left: '', top: '', right: 0, bottom: 0});
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break;
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case 's' :
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image.css({left: (kenBurns.animationWidth - imageWidth) / 2, top: '', right: '', bottom: 0});
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break;
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case 'sw':
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image.css({left: 0, top: '', right: '', bottom: 0});
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break;
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case 'w':
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image.css({left: 0, top: (kenBurns.animationHeight - imageHeight) / 2, right: '', bottom: ''});
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break;
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case 'c':
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image.css({
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left: (kenBurns.animationWidth - imageWidth) / 2,
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top: (kenBurns.animationHeight - imageHeight) / 2,
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right: '',
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bottom: ''
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});
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break;
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}
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image.css({width: imageWidth, height: imageHeight, opacity: 0, zIndex: 0});
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}
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});
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},
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getAnimationParams: function () {
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var cssObject = {};
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var image = kenBurns.actualImage;
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image.css('zIndex', 1);
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cssObject.width = kenBurns.animationWidth;
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cssObject.height = kenBurns.animationHeight;
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if (image.data('zoom') === 'in') {
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cssObject.width = kenBurns.animationWidth * kenBurns.scaleFactor;
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cssObject.height = kenBurns.animationHeight * kenBurns.scaleFactor;
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}
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switch (image.data('start')) {
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case 'n':
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cssObject.left = (kenBurns.animationWidth - cssObject.width) / 2;
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break;
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case 'e':
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cssObject.top = (kenBurns.animationHeight - cssObject.height) / 2;
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break;
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case 's' :
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cssObject.left = (kenBurns.animationWidth - cssObject.width) / 2;
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break;
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case 'w':
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cssObject.top = (kenBurns.animationHeight - cssObject.height) / 2;
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break;
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case 'c':
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cssObject.left = (kenBurns.animationWidth - cssObject.width) / 2;
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cssObject.top = (kenBurns.animationHeight - cssObject.height) / 2;
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break;
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}
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cssObject.opacity = 4;
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image.animate(
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cssObject
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, 7000, 'swing', function () {
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image.animate({
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opacity: 0
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}, 1000, 'swing')
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})
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}
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}; |