/*!
* ___ ___ _____ ______ __ __ _____ ______ __ __
* | \/ |/ _ \ / __ \| \ | |_ _| ___| \ / |
* | | / \ | | \__| \| | | | | |__ \ \/ /
* | |\/| | |_| | | ___ | | | | __| \ /
* | | | | _ | \_/ | |\ |_| |_| | | |
* |__| |__|__| |__|\____/|_|__| \__|_____|__| |__|
*
* jquery.magnify - v1.3.2
* A jQuery plugin to view images just like in windows
* https://github.com/nzbin/magnify#readme
*
* Copyright (c) 2017 nzbin
* Released under the MIT License
*
*/
;
(function(factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node / CommonJS
factory(require('jquery'));
} else {
// Browser globals.
factory(jQuery);
}
})(function($) {
'use strict';
/**
* Private Functions
*/
/**
* [getImgSrc]
* @param {[Object]} el [description]
*/
function getImgSrc(el) {
// Get data-src as image src at first
var src = $(el).attr('data-src')
? $(el).attr('data-src')
: $(el).attr('href');
return src;
}
/**
* [throttle]
* @param {Function} fn [description]
* @param {[Number]} delay [description]
* @return {Function} [description]
*/
function throttle(fn, delay) {
var timer = null;
return function () {
var context = this,
args = arguments;
clearTimeout(timer);
timer = setTimeout(function () {
fn.apply(context, args);
}, delay);
};
}
/**
* [preloadImg]
* @param {[String]} src [image src]
* @param {Function} success [callbacks]
* @param {Function} error [callbacks]
*/
function preloadImg(src, success, error) {
var img = new Image();
img.onload = function () {
success(img);
};
img.onerror = function () {
error(img);
};
img.src = src;
}
/**
* [requestFullscreen]
* @param {[type]} element [description]
*/
function requestFullscreen(element) {
if (element.requestFullscreen) {
element.requestFullscreen();
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen();
} else if (element.webkitRequestFullscreen) {
element.webkitRequestFullscreen();
} else if (element.msRequestFullscreen) {
element.msRequestFullscreen();
}
}
/**
* [exitFullscreen]
*/
function exitFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
}
/**
* [getImageNameFromUrl]
* @param {[String]} url [description]
* @return {[String]} [description]
*/
function getImageNameFromUrl(url) {
var reg = /^.*?\/*([^/?]*)\.[a-z]+(\?.+|$)/ig,
txt = url.replace(reg, '$1');
return txt;
}
/**
* [getNumFromCSSValue]
* @param {[String]} value [description]
* @return {[Number]} [description]
*/
function getNumFromCSSValue(value) {
var reg = /\d+/g,
arr = value.match(reg),
num = parseFloat(arr[0]);
return num;
}
/**
* [hasScrollbar]
* @return {[Boolean]} [description]
*/
function hasScrollbar() {
return document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight);
}
/**
* [getScrollbarWidth]
* @return {[Number]} [description]
*/
function getScrollbarWidth() {
var scrollDiv = document.createElement('div');
scrollDiv.style.cssText = 'width: 99px; height: 99px; overflow: scroll; position: absolute; top: -9999px;';
document.body.appendChild(scrollDiv);
var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
document.body.removeChild(scrollDiv);
return scrollbarWidth;
}
/**
* [setGrabCursor]
* @param {[Object]} imageData [description]
* @param {[Object]} stageData [description]
* @param {[Object]} stage [description]
* @param {[Boolean]} isRotate [description]
*/
function setGrabCursor(imageData, stageData, stage, isRotated) {
var imageWidth = !isRotated ? imageData.w : imageData.h,
imageHeight = !isRotated ? imageData.h : imageData.w;
if (imageHeight > stageData.h || imageWidth > stageData.w) {
stage.addClass('is-grab');
}
if (imageHeight <= stageData.h && imageWidth <= stageData.w) {
stage.removeClass('is-grab');
}
}
/**
* [supportTouch]
* @return {[Boolean]} [description]
*/
function supportTouch() {
return !!(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch);
}
/**
* [isIE8]
* @return {[Boolean]} [description]
*/
function isIE8() {
return (navigator.appName == 'Microsoft Internet Explorer' && navigator.appVersion.indexOf('MSIE 8.0') > 0) ||
(navigator.appName == 'Microsoft Internet Explorer' && navigator.appVersion.indexOf('MSIE 7.0') > 0);
}
/**
* Private Static Constants
*/
var $W = $(window),
$D = $(document),
CLICK_EVENT = 'click',
RESIZE_EVENT = 'resize',
KEYDOWN_EVENT = 'keydown',
WHEEL_EVENT = 'wheel mousewheel DOMMouseScroll',
TOUCH_START_EVENT = supportTouch() ? 'touchstart' : 'mousedown',
TOUCH_MOVE_EVENT = supportTouch() ? 'touchmove' : 'mousemove',
TOUCH_END_EVENT = supportTouch() ? 'touchend' : 'mouseup',
NS = 'magnify',
EVENT_NS = '.' + NS,
// plugin default options
DEFAULTS = {
// Enable modal to drag
draggable: true,
// Enable modal to resize
resizable: true,
// Enable image to move
movable: true,
// Enable keyboard navigation
keyboard: true,
// Shows the title
title: true,
// Min width of modal
modalWidth: 320,
// Min height of modal
modalHeight: 320,
// Enable the page content fixed
fixedContent: true,
// Disable the modal size fixed
fixedModalSize: false,
// Disable the image viewer maximized on init
initMaximized: false,
// Threshold of modal to browser window
gapThreshold: 0.02,
// Threshold of image ratio
ratioThreshold: 0.1,
// Min ratio of image when zoom out
minRatio: 0.05,
// Max ratio of image when zoom in
maxRatio: 16,
// Toolbar options in header
headToolbar: [
'maximize',
'close'
],
// Toolbar options in footer
footToolbar: [
'zoomIn',
'zoomOut',
'prev',
'fullscreen',
'next',
'actualSize',
'rotateRight'
],
// Customize button icon
icons: {
minimize: '',
maximize: '',
close: '',
zoomIn: '',
zoomOut: '',
prev: '',
next: '',
fullscreen: '',
actualSize: '',
rotateLeft: '',
rotateRight: ''
},
// Customize language of button title
i18n: {
minimize: 'minimize',
maximize: 'maximize',
close: 'close',
zoomIn: 'zoom-in(+)',
zoomOut: 'zoom-out(-)',
prev: 'prev(←)',
next: 'next(→)',
fullscreen: 'fullscreen',
actualSize: 'actual-size(Ctrl+Alt+0)',
rotateLeft: 'rotate-left(Ctrl+,)',
rotateRight: 'rotate-right(Ctrl+.)'
},
// Enable multiple instances
multiInstances: true,
// Init trigger event
initEvent: 'click',
// Enable animation
initAnimation: true,
// Disable modal position fixed when change images
fixedModalPos: false,
// Modal z-index
zIndex: 1090,
// Selector of drag handler
dragHandle: false,
// Callback events
callbacks: {
beforeOpen: $.noop,
opened: $.noop,
beforeClose: $.noop,
closed: $.noop,
beforeChange: $.noop,
changed: $.noop
}
},
PUBLIC_VARS = {
// image moving flag
isMoving: false,
// modal resizing flag
isResizing: false,
// modal z-index setting
zIndex: DEFAULTS.zIndex
};
// jquery element of calling plugin
var jqEl = null;
/**
* Magnify Class
*/
var Magnify = function (el, options) {
var self = this;
this.options = $.extend(true, {}, DEFAULTS, options);
if (options && $.isArray(options.footToolbar)) {
this.options.footToolbar = options.footToolbar;
}
if (options && $.isArray(options.headToolbar)) {
this.options.headToolbar = options.headToolbar;
}
// Store element of clicked
this.$el = $(el);
// As we have multiple instances,
// so every instance has following variables.
// modal open flag
this.isOpened = false;
// modal maximize flag
this.isMaximized = false;
// image rotate 90*(2n+1) flag
this.isRotated = false;
// image rotate angle
this.rotateAngle = 0;
// if modal do resize
this.isDoResize = false;
// Store image data in every instance
this.imageData = {};
// Store modal data in every instance
this.modalData = {
width: null,
height: null,
left: null,
top: null
};
this.init(el, self.options);
};
/**
* Mangify Prototype
*/
Magnify.prototype = {
init: function (el, opts) {
// Get image src
var imgSrc = getImgSrc(el);
// Get image group
this.groupName = null;
var currentGroupName = $(el).attr('data-group'),
groupList = $D.find('[data-group="' + currentGroupName + '"]');
if (currentGroupName !== undefined) {
this.groupName = currentGroupName;
this.getImgGroup(groupList, imgSrc);
} else {
this.getImgGroup(jqEl.not('[data-group]'), imgSrc);
}
this.open();
this.loadImg(imgSrc);
// draggable & movable & resizable
if (opts.draggable) {
this.draggable(this.$magnify, this.dragHandle, '.magnify-button');
}
if (opts.movable) {
this.movable(this.$stage, isIE8() ? '.magnify-image' : this.$image);
}
if (opts.resizable) {
this.resizable(
this.$magnify,
this.$stage, isIE8() ? '.magnify-image' : this.$image,
opts.modalWidth,
opts.modalHeight);
}
},
_creatBtns: function (toolbar, btns) {
var btnsStr = '';
$.each(toolbar, function (index, item) {
btnsStr += btns[item];
});
return btnsStr;
},
_creatTitle: function () {
return (this.options.title ? '' : '');
},
creatDOM: function () {
var btnsTpl = {
minimize: '',
maximize: '',
close: '',
zoomIn: '',
zoomOut: '',
prev: '',
next: '',
fullscreen: '',
actualSize: '',
rotateLeft: '',
rotateRight: ''
};
// magnify base HTML
var magnifyHTML =
'\
\
\
![]()
\
\
\
');
} else {
this.$image.attr('src', imgSrc);
}
preloadImg(imgSrc, function (img) {
// Store HTMLImageElement
self.img = img;
// Store original data
self.imageData = {
originalWidth: img.width,
originalHeight: img.height
};
if (self.isMaximized || (self.isOpened && self.options.fixedModalPos)) {
self.setImageSize(img);
} else {
self.setModalSize(img);
}
self.$stage.removeClass('stage-ready');
self.$image.removeClass('image-ready');
// callback of image loaded successfully
if(fn){
fn.call();
}
}, function () {
// loader end
self.$magnify.find('.magnify-loader').remove();
// callback of image loading failed
if(err){
err.call();
}
});
if (this.options.title) {
this.setImgTitle(imgSrc);
}
},
getImgGroup: function (list, imgSrc) {
var self = this;
self.groupData = [];
$(list).each(function (index, item) {
var src = getImgSrc(this);
self.groupData.push({
src: src,
caption: $(this).attr('data-caption')
});
// Get image index
if (imgSrc === src) {
self.groupIndex = index;
}
});
},
setImgTitle: function (url) {
var index = this.groupIndex,
caption = this.groupData[index].caption,
caption = caption ? caption : getImageNameFromUrl(url);
this.$title.html(caption);
},
jump: function (step) {
this._triggerHook('beforeChange', this.groupIndex);
this.groupIndex = this.groupIndex + step;
this.jumpTo(this.groupIndex);
},
jumpTo: function (index) {
var self = this;
index = index % this.groupData.length;
if (index >= 0) {
index = index % this.groupData.length;
} else if (index < 0) {
index = (this.groupData.length + index) % this.groupData.length;
}
this.groupIndex = index;
this.loadImg(this.groupData[index].src, function () {
self._triggerHook('changed', index);
}, function () {
self._triggerHook('changed', index);
});
},
wheel: function (e) {
e.preventDefault();
var delta = 1;
if (e.originalEvent.deltaY) {
delta = e.originalEvent.deltaY > 0 ? 1 : -1;
} else if (e.originalEvent.wheelDelta) {
delta = -e.originalEvent.wheelDelta / 120;
} else if (e.originalEvent.detail) {
delta = e.originalEvent.detail > 0 ? 1 : -1;
}
// ratio threshold
var ratio = -delta * this.options.ratioThreshold;
// mouse point position relative to stage
var pointer = {
x: e.originalEvent.clientX - this.$stage.offset().left + $D.scrollLeft(),
y: e.originalEvent.clientY - this.$stage.offset().top + $D.scrollTop()
};
this.zoom(ratio, pointer, e);
},
zoom: function (ratio, origin, e) {
this.$image = isIE8() ? this.$stage.find('.magnify-image') : this.$image;
// zoom out ratio & zoom in ratio
ratio = ratio < 0 ? (1 / (1 - ratio)) : (1 + ratio);
// image ratio
ratio = this.$image.width() / this.imageData.originalWidth * ratio;
// Fixed digital error
// if (ratio > 0.95 && ratio < 1.05) {
// ratio = 1;
// }
if (ratio > this.options.maxRatio || ratio < this.options.minRatio) {
return;
}
this.zoomTo(ratio, origin, e);
},
zoomTo: function (ratio, origin, e) {
var $image = isIE8() ? this.$stage.find('.magnify-image') : this.$image,
$stage = this.$stage,
imgData = {
w: this.imageData.width,
h: this.imageData.height,
x: this.imageData.left,
y: this.imageData.top
};
// image stage position
// We will use it to calc the relative position of image
var stageData = {
w: $stage.width(),
h: $stage.height(),
x: $stage.offset().left,
y: $stage.offset().top
};
var newWidth = this.imageData.originalWidth * ratio,
newHeight = this.imageData.originalHeight * ratio,
// Think about it for a while
newLeft = origin.x - (origin.x - imgData.x) / imgData.w * newWidth,
newTop = origin.y - (origin.y - imgData.y) / imgData.h * newHeight;
// δ is the difference between image new width and new height
var δ = !this.isRotated ? 0 : (newWidth - newHeight) / 2,
imgNewWidth = !this.isRotated ? newWidth : newHeight,
imgNewHeight = !this.isRotated ? newHeight : newWidth;
var offsetX = stageData.w - newWidth,
offsetY = stageData.h - newHeight;
// zoom out & zoom in condition
// It's important and it takes me a lot of time to get it
// The conditions with image rotate 90 degree drive me crazy alomst!
if (imgNewHeight <= stageData.h) {
newTop = (stageData.h - newHeight) / 2;
} else {
newTop = newTop > δ
? δ
: (newTop > (offsetY - δ)
? newTop
: (offsetY - δ));
}
if (imgNewWidth <= stageData.w) {
newLeft = (stageData.w - newWidth) / 2;
} else {
newLeft = newLeft > -δ
? -δ
: (newLeft > (offsetX + δ)
? newLeft
: (offsetX + δ));
}
// if the image scale get to the critical point
if (Math.abs(this.imageData.initWidth - newWidth) < this.imageData.initWidth * 0.05) {
this.setImageSize(this.img);
} else {
$image.css({
width: Math.round(newWidth) + 'px',
height: Math.round(newHeight) + 'px',
left: Math.round(newLeft) + 'px',
top: Math.round(newTop) + 'px'
});
if (isIE8()) {
$image.find('group').css({
width: Math.ceil(newWidth) + 'px',
height: Math.ceil(newHeight) + 'px'
});
}
// Set grab cursor
setGrabCursor(
{ w: Math.round(imgNewWidth), h: Math.round(imgNewHeight) },
{ w: stageData.w, h: stageData.h },
this.$stage
);
}
// Update image initial data
$.extend(this.imageData, {
width: newWidth,
height: newHeight,
left: newLeft,
top: newTop
});
},
rotate: function (angle) {
this.rotateAngle = this.rotateAngle + angle;
if ((this.rotateAngle / 90) % 2 === 0) {
this.isRotated = false;
} else {
this.isRotated = true;
}
this.rotateTo(this.rotateAngle);
},
rotateTo: function (angle) {
var self = this,
$image = isIE8() ? this.$stage.find('.magnify-image') : this.$image;
// depend on jQueryRotate.js
$image.rotate({
angle: angle
});
this.setImageSize({
width: this.imageData.originalWidth,
height: this.imageData.originalHeight
});
// Remove grab cursor when rotate
this.$stage.removeClass('is-grab');
},
resize: function () {
var self = this;
var resizeHandler = throttle(function () {
if (self.isOpened) {
if (self.isMaximized) {
self.setImageSize({
width: self.imageData.originalWidth,
height: self.imageData.originalHeight
});
} else {
self.setModalSize({
width: self.imageData.originalWidth,
height: self.imageData.originalHeight
});
}
}
}, 500);
return resizeHandler;
},
maximize: function () {
var self = this;
if (!this.isMaximized) {
// Store modal data before maximize
this.modalData = {
width: this.$magnify.width(),
height: this.$magnify.height(),
left: this.$magnify.offset().left,
top: this.$magnify.offset().top
};
this.$magnify.addClass('magnify-maximize');
this.$magnify.css({
width: '100%',
height: '100%',
left: 0,
top: 0
});
this.isMaximized = true;
} else {
this.$magnify.removeClass('magnify-maximize');
this.$magnify.css({
width: this.modalData.width
? this.modalData.width
: this.options.modalWidth,
height: this.modalData.height
? this.modalData.height
: this.options.modalHeight,
left: this.modalData.left
? this.modalData.left
: ($W.width() - this.options.modalWidth) / 2 + $D.scrollLeft(),
top: this.modalData.top
? this.modalData.top
: ($W.height() - this.options.modalHeight) / 2 + $D.scrollTop()
});
this.isMaximized = false;
}
this.setImageSize({
width: this.imageData.originalWidth,
height: this.imageData.originalHeight
});
},
fullscreen: function () {
requestFullscreen(this.$magnify[0]);
},
keydown: function (e) {
var self = this;
if (!this.options.keyboard) {
return false;
}
var keyCode = e.keyCode || e.which || e.charCode,
ctrlKey = e.ctrlKey || e.metaKey,
altKey = e.altKey || e.metaKey;
switch (keyCode) {
// ←
case 37:
self.jump(-1);
break;
// →
case 39:
self.jump(1);
break;
// +
case 187:
self.zoom(
self.options.ratioThreshold * 3,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
break;
// -
case 189:
self.zoom(
-self.options.ratioThreshold * 3,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
break;
// + Firefox
case 61:
self.zoom(
self.options.ratioThreshold * 3,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
break;
// - Firefox
case 173:
self.zoom(
-self.options.ratioThreshold * 3,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
break;
// ctrl + alt + 0
case 48:
if (ctrlKey && altKey) {
self.zoomTo(
1,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
}
break;
// ctrl + ,
case 188:
if (ctrlKey) {
self.rotate(-90);
}
break;
// ctrl + .
case 190:
if (ctrlKey) {
self.rotate(90);
}
break;
default:
}
},
addEvents: function () {
var self = this;
this.$close.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function (e) {
self.close();
});
this.$stage.off(WHEEL_EVENT + EVENT_NS).on(WHEEL_EVENT + EVENT_NS, function (e) {
self.wheel(e);
});
this.$zoomIn.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function (e) {
self.zoom(
self.options.ratioThreshold * 3,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
});
this.$zoomOut.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function (e) {
self.zoom(
-self.options.ratioThreshold * 3,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
});
this.$actualSize.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function (e) {
self.zoomTo(
1,
{ x: self.$stage.width() / 2, y: self.$stage.height() / 2 },
e
);
});
this.$prev.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function () {
self.jump(-1);
});
this.$fullscreen.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function () {
self.fullscreen();
});
this.$next.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function () {
self.jump(1);
});
this.$rotateLeft.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function () {
self.rotate(-90);
});
this.$rotateRight.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function () {
self.rotate(90);
});
this.$maximize.off(CLICK_EVENT + EVENT_NS).on(CLICK_EVENT + EVENT_NS, function () {
self.maximize();
});
$D.off(KEYDOWN_EVENT + EVENT_NS).on(KEYDOWN_EVENT + EVENT_NS, function (e) {
self.keydown(e);
});
$W.on(RESIZE_EVENT + EVENT_NS, self.resize());
},
_triggerHook: function (e, data) {
if (this.options.callbacks[e]) {
this.options.callbacks[e].apply(this, $.isArray(data) ? data : [data]);
}
}
};
/**
* jQuery plugin
*/
$.fn.magnify = function (options) {
jqEl = $(this);
// Convert a numeric string into a number
for (var key in options) {
if (typeof (options[key]) === 'string' && !isNaN(options[key])) {
options[key] = parseFloat(options[key]);
}
}
// Get init event, 'click' or 'dblclick'
var opts = $.extend(true, {}, DEFAULTS, options);
// We should get zIndex of options before plugin's init.
PUBLIC_VARS['zIndex'] = opts.zIndex;
if (typeof options === 'string') {
// $(this).data('magnify')[options]();
} else {
if (opts.initEvent === 'dblclick') {
jqEl.off('click' + EVENT_NS).on('click' + EVENT_NS, function (e) {
e.preventDefault();
// This will stop triggering data-api event
e.stopPropagation();
});
}
jqEl.off(opts.initEvent + EVENT_NS).on(opts.initEvent + EVENT_NS, function (e) {
e.preventDefault();
// This will stop triggering data-api event
e.stopPropagation();
$(this).data('magnify', new Magnify(this, options));
});
}
return jqEl;
};
/**
* MAGNIFY DATA-API
*/
$D.on(CLICK_EVENT + EVENT_NS, '[data-magnify]', function (e) {
jqEl = $('[data-magnify]');
e.preventDefault();
$(this).data('magnify', new Magnify(this, DEFAULTS));
});
/**
* [draggable]
* @param {[Object]} modal [the modal element]
* @param {[Object]} dragHandle [the handle element when dragging]
* @param {[Object]} dragCancel [the cancel element when dragging]
*/
var draggable = function (modal, dragHandle, dragCancel) {
var self = this;
var isDragging = false;
var startX = 0,
startY = 0,
left = 0,
top = 0;
var dragStart = function (e) {
var e = e || window.event;
// Must be removed
// e.preventDefault();
if (self.options.multiInstances) {
modal.css('z-index', ++PUBLIC_VARS['zIndex']);
}
// Get clicked button
var elemCancel = $(e.target).closest(dragCancel);
// Stop modal moving when click buttons
if (elemCancel.length) {
return true;
}
isDragging = true;
startX = e.type === 'touchstart'
? e.originalEvent.targetTouches[0].pageX
: e.clientX;
startY = e.type === 'touchstart'
? e.originalEvent.targetTouches[0].pageY
: e.clientY;
left = $(modal).offset().left;
top = $(modal).offset().top;
$D.on(TOUCH_MOVE_EVENT + EVENT_NS, dragMove)
.on(TOUCH_END_EVENT + EVENT_NS, dragEnd);
};
var dragMove = function (e) {
var e = e || window.event;
e.preventDefault();
if (isDragging && !PUBLIC_VARS['isMoving'] && !PUBLIC_VARS['isResizing'] && !self.isMaximized) {
var endX = e.type === 'touchmove'
? e.originalEvent.targetTouches[0].pageX
: e.clientX,
endY = e.type === 'touchmove'
? e.originalEvent.targetTouches[0].pageY
: e.clientY,
relativeX = endX - startX,
relativeY = endY - startY;
$(modal).css({
left: relativeX + left + 'px',
top: relativeY + top + 'px'
});
}
};
var dragEnd = function (e) {
$D.off(TOUCH_MOVE_EVENT + EVENT_NS, dragMove)
.off(TOUCH_END_EVENT + EVENT_NS, dragEnd);
isDragging = false;
};
$(dragHandle).on(TOUCH_START_EVENT + EVENT_NS, dragStart);
};
// Add to Magnify Prototype
$.extend(Magnify.prototype, {
draggable: draggable
});
/**
* --------------------------------------
* 1.no movable
* 2.vertical movable
* 3.horizontal movable
* 4.vertical & horizontal movable
* --------------------------------------
*
* [image movable]
* @param {[Object]} stage [the stage element]
* @param {[Object]} image [the image element]
*/
var movable = function (stage, image) {
var self = this;
var isDragging = false;
var startX = 0,
startY = 0,
left = 0,
top = 0,
widthDiff = 0,
heightDiff = 0,
δ = 0;
var dragStart = function (e) {
var e = e || window.event;
e.preventDefault();
var $image = isIE8() ? $(stage).find(image) : $(image);
var imageWidth = $image.width(),
imageHeight = $image.height(),
stageWidth = $(stage).width(),
stageHeight = $(stage).height();
startX = e.type === 'touchstart'
? e.originalEvent.targetTouches[0].pageX
: e.clientX;
startY = e.type === 'touchstart'
? e.originalEvent.targetTouches[0].pageY
: e.clientY;
// δ is the difference between image width and height
δ = !self.isRotated ? 0 : (imageWidth - imageHeight) / 2;
// Width or height difference can be use to limit image right or top position
widthDiff = !self.isRotated
? (imageWidth - stageWidth)
: (imageHeight - stageWidth);
heightDiff = !self.isRotated
? (imageHeight - stageHeight)
: (imageWidth - stageHeight);
// Modal can be dragging if image is smaller to stage
isDragging = (widthDiff > 0 || heightDiff > 0) ? true : false;
PUBLIC_VARS['isMoving'] = (widthDiff > 0 || heightDiff > 0) ? true : false;
// Reclac the element position when mousedown
// Fixed the issue of stage with a border
left = $image.position().left - (isIE8() ? 0 : δ);
top = $image.position().top + (isIE8() ? 0 : δ);
// Add grabbing cursor
if (stage.hasClass('is-grab')) {
$('html,body,.magnify-modal,.magnify-stage,.magnify-button,.magnify-resizable-handle').addClass('is-grabbing');
}
$D.on(TOUCH_MOVE_EVENT + EVENT_NS, dragMove)
.on(TOUCH_END_EVENT + EVENT_NS, dragEnd);
};
var dragMove = function (e) {
var e = e || window.event;
e.preventDefault();
var $image = isIE8() ? $(stage).find(image) : $(image);
if (isDragging) {
var endX = e.type === 'touchmove'
? e.originalEvent.targetTouches[0].pageX
: e.clientX,
endY = e.type === 'touchmove'
? e.originalEvent.targetTouches[0].pageY
: e.clientY,
relativeX = endX - startX,
relativeY = endY - startY,
newLeft = relativeX + left,
newTop = relativeY + top;
// vertical limit
if (heightDiff > 0) {
if ((relativeY + top) > δ) {
newTop = δ;
} else if ((relativeY + top) < -heightDiff + δ) {
newTop = -heightDiff + δ;
}
} else {
newTop = top;
}
// horizontal limit
if (widthDiff > 0) {
if ((relativeX + left) > -δ) {
newLeft = -δ;
} else if ((relativeX + left) < -widthDiff - δ) {
newLeft = -widthDiff - δ;
}
} else {
newLeft = left;
}
$image.css({
left: newLeft + 'px',
top: newTop + 'px'
});
// Update image initial data
$.extend(self.imageData, {
left: newLeft,
top: newTop
});
}
};
var dragEnd = function (e) {
$D.off(TOUCH_MOVE_EVENT + EVENT_NS, dragMove)
.off(TOUCH_END_EVENT + EVENT_NS, dragEnd);
isDragging = false;
PUBLIC_VARS['isMoving'] = false;
// Remove grabbing cursor
$('html,body,.magnify-modal,.magnify-stage,.magnify-button,.magnify-resizable-handle').removeClass('is-grabbing');
};
$(stage).on(TOUCH_START_EVENT + EVENT_NS, dragStart);
};
// Add to Magnify Prototype
$.extend(Magnify.prototype, {
movable: movable
});
/**
* ------------------------------
* 1.modal resizable
* 2.keep image in stage center
* 3.other image limitations
* ------------------------------
*
* [resizable]
* @param {[Object]} modal [the modal element]
* @param {[Object]} stage [the stage element]
* @param {[Object]} image [the image element]
* @param {[Number]} minWidth [the option of modalWidth]
* @param {[Number]} minHeight [the option of modalHeight]
*/
var resizable = function (modal, stage, image, minWidth, minHeight) {
var self = this;
var resizableHandleE = $(''),
resizableHandleW = $(''),
resizableHandleS = $(''),
resizableHandleN = $(''),
resizableHandleSE = $(''),
resizableHandleSW = $(''),
resizableHandleNE = $(''),
resizableHandleNW = $('');
var resizableHandles = {
'e': resizableHandleE,
's': resizableHandleS,
'se': resizableHandleSE,
'n': resizableHandleN,
'w': resizableHandleW,
'nw': resizableHandleNW,
'ne': resizableHandleNE,
'sw': resizableHandleSW
};
$(modal).append(
resizableHandleE, resizableHandleW, resizableHandleS, resizableHandleN,
resizableHandleSE, resizableHandleSW, resizableHandleNE, resizableHandleNW
);
var isDragging = false;
var startX = 0,
startY = 0,
modalData = {
w: 0,
h: 0,
l: 0,
t: 0
},
stageData = {
w: 0,
h: 0,
l: 0,
t: 0
},
imageData = {
w: 0,
h: 0,
l: 0,
t: 0
},
// δ is the difference between image width and height
δ = 0,
imgWidth = 0,
imgHeight = 0,
direction = '';
// modal CSS options
var getModalOpts = function (dir, offsetX, offsetY) {
// Modal should not move when its width to the minwidth
var modalLeft = (-offsetX + modalData.w) > minWidth
? (offsetX + modalData.l)
: (modalData.l + modalData.w - minWidth),
modalTop = (-offsetY + modalData.h) > minHeight
? (offsetY + modalData.t)
: (modalData.t + modalData.h - minHeight);
var opts = {
'e': {
width: Math.max((offsetX + modalData.w), minWidth) + 'px'
},
's': {
height: Math.max((offsetY + modalData.h), minHeight) + 'px'
},
'se': {
width: Math.max((offsetX + modalData.w), minWidth) + 'px',
height: Math.max((offsetY + modalData.h), minHeight) + 'px'
},
'w': {
width: Math.max((-offsetX + modalData.w), minWidth) + 'px',
left: modalLeft + 'px'
},
'n': {
height: Math.max((-offsetY + modalData.h), minHeight) + 'px',
top: modalTop + 'px'
},
'nw': {
width: Math.max((-offsetX + modalData.w), minWidth) + 'px',
height: Math.max((-offsetY + modalData.h), minHeight) + 'px',
top: modalTop + 'px',
left: modalLeft + 'px'
},
'ne': {
width: Math.max((offsetX + modalData.w), minWidth) + 'px',
height: Math.max((-offsetY + modalData.h), minHeight) + 'px',
top: modalTop + 'px'
},
'sw': {
width: Math.max((-offsetX + modalData.w), minWidth) + 'px',
height: Math.max((offsetY + modalData.h), minHeight) + 'px',
left: modalLeft + 'px'
}
};
return opts[dir];
};
// image CSS options
var getImageOpts = function (dir, offsetX, offsetY) {
var $image = isIE8() ? $(stage).find(image) : $(image);
// In modern browser, the width and height of image won't change after rotated.
// But its position top and left will get values from the image rotated.
// In IE8 browser, due to the type of rotating, all the value will be the same.
var imgPosLeft = isIE8() ? ($image.position().left + δ) : $image.position().left,
imgPosTop = isIE8() ? ($image.position().top - δ) : $image.position().top;
// Image should not move when modal width to the min width
// The minwidth is modal width, so we should clac the stage minwidth
var widthDiff = (offsetX + modalData.w) > minWidth
? (stageData.w - imgWidth + offsetX - δ)
: (minWidth - (modalData.w - stageData.w) - imgWidth - δ),
heightDiff = (offsetY + modalData.h) > minHeight
? (stageData.h - imgHeight + offsetY + δ)
: (minHeight - (modalData.h - stageData.h) - imgHeight + δ),
widthDiff2 = (-offsetX + modalData.w) > minWidth
? (stageData.w - imgWidth - offsetX - δ)
: (minWidth - (modalData.w - stageData.w) - imgWidth - δ),
heightDiff2 = (-offsetY + modalData.h) > minHeight
? (stageData.h - imgHeight - offsetY + δ)
: (minHeight - (modalData.h - stageData.h) - imgHeight + δ);
// Get image position in dragging
var imgLeft = (widthDiff > 0
? imgPosLeft
: (imgPosLeft < 0
? imgPosLeft
: 0)) - δ,
imgTop = (heightDiff > 0
? imgPosTop
: (imgPosTop < 0
? imgPosTop
: 0)) + δ,
imgLeft2 = (widthDiff2 > 0
? imgPosLeft
: (imgPosLeft < 0
? imgPosLeft
: 0)) - δ,
imgTop2 = (heightDiff2 > 0
? imgPosTop
: (imgPosTop < 0
? imgPosTop
: 0)) + δ;
var opts = {
'e': {
left: widthDiff >= -δ
? ((widthDiff - δ) / 2 + 'px')
: (imgLeft > widthDiff
? (imgLeft + 'px')
: (widthDiff + 'px'))
},
's': {
top: heightDiff >= δ
? ((heightDiff + δ) / 2 + 'px')
: (imgTop > heightDiff
? (imgTop + 'px')
: (heightDiff + 'px'))
},
'se': {
top: heightDiff >= δ
? ((heightDiff + δ) / 2 + 'px')
: (imgTop > heightDiff ? (imgTop + 'px') : (heightDiff + 'px')),
left: widthDiff >= -δ
? ((widthDiff - δ) / 2 + 'px')
: (imgLeft > widthDiff ? (imgLeft + 'px') : (widthDiff + 'px'))
},
'w': {
left: widthDiff2 >= -δ
? ((widthDiff2 - δ) / 2 + 'px')
: (imgLeft2 > widthDiff2
? (imgLeft2 + 'px')
: (widthDiff2 + 'px'))
},
'n': {
top: heightDiff2 >= δ
? ((heightDiff2 + δ) / 2 + 'px')
: (imgTop2 > heightDiff2
? (imgTop2 + 'px')
: (heightDiff2 + 'px'))
},
'nw': {
top: heightDiff2 >= δ
? ((heightDiff2 + δ) / 2 + 'px')
: (imgTop2 > heightDiff2
? (imgTop2 + 'px')
: (heightDiff2 + 'px')),
left: widthDiff2 >= -δ
? ((widthDiff2 - δ) / 2 + 'px')
: (imgLeft2 > widthDiff2
? (imgLeft2 + 'px')
: (widthDiff2 + 'px'))
},
'ne': {
top: heightDiff2 >= δ
? ((heightDiff2 + δ) / 2 + 'px')
: (imgTop2 > heightDiff2
? (imgTop2 + 'px')
: (heightDiff2 + 'px')),
left: widthDiff >= -δ
? ((widthDiff - δ) / 2 + 'px')
: (imgLeft > widthDiff
? (imgLeft + 'px')
: (widthDiff + 'px'))
},
'sw': {
top: heightDiff >= δ
? ((heightDiff + δ) / 2 + 'px')
: (imgTop > heightDiff
? (imgTop + 'px')
: (heightDiff + 'px')),
left: widthDiff2 >= -δ
? ((widthDiff2 - δ) / 2 + 'px')
: (imgLeft2 > widthDiff2
? (imgLeft2 + 'px')
: (widthDiff2 + 'px'))
}
};
return opts[dir];
};
var dragStart = function (dir, e) {
var e = e || window.event;
e.preventDefault();
var $image = isIE8() ? $(stage).find(image) : $(image);
isDragging = true;
PUBLIC_VARS['isResizing'] = true;
startX = e.type === 'touchstart'
? e.originalEvent.targetTouches[0].pageX
: e.clientX;
startY = e.type === 'touchstart'
? e.originalEvent.targetTouches[0].pageY
: e.clientY;
// Reclac the modal data when mousedown
modalData = {
w: $(modal).width(),
h: $(modal).height(),
l: $(modal).offset().left,
t: $(modal).offset().top
};
stageData = {
w: $(stage).width(),
h: $(stage).height(),
l: $(stage).offset().left,
t: $(stage).offset().top
};
imageData = {
w: $image.width(),
h: $image.height(),
l: $image.position().left,
t: $image.position().top
};
// δ is the difference between image width and height
δ = !self.isRotated ? 0 : (imageData.w - imageData.h) / 2;
imgWidth = !self.isRotated ? imageData.w : imageData.h;
imgHeight = !self.isRotated ? imageData.h : imageData.w;
direction = dir;
// Add resizable cursor
$('html,body,.magnify-modal,.magnify-stage,.magnify-button').css('cursor', dir + '-resize');
$D.on(TOUCH_MOVE_EVENT + EVENT_NS, dragMove)
.on(TOUCH_END_EVENT + EVENT_NS, dragEnd);
};
var dragMove = function (e) {
var e = e || window.event;
e.preventDefault();
var $image = isIE8() ? $(stage).find(image) : $(image);
if (isDragging && !self.isMaximized) {
var endX = e.type === 'touchmove'
? e.originalEvent.targetTouches[0].pageX
: e.clientX,
endY = e.type === 'touchmove'
? e.originalEvent.targetTouches[0].pageY
: e.clientY,
relativeX = endX - startX,
relativeY = endY - startY;
var modalOpts = getModalOpts(direction, relativeX, relativeY);
$(modal).css(modalOpts);
var imageOpts = getImageOpts(direction, relativeX, relativeY);
$image.css(imageOpts);
self.isDoResize = true;
}
};
var dragEnd = function (e) {
$D.off(TOUCH_MOVE_EVENT + EVENT_NS, dragMove)
.off(TOUCH_END_EVENT + EVENT_NS, dragEnd);
// Set grab cursor
if (PUBLIC_VARS['isResizing']) {
setGrabCursor(
{ w: imgWidth, h: imgHeight },
{ w: $(stage).width(), h: $(stage).height() },
stage
);
}
isDragging = false;
PUBLIC_VARS['isResizing'] = false;
// Remove resizable cursor
$('html,body,.magnify-modal,.magnify-stage,.magnify-button').css('cursor', '');
// Update image initial data
var scale = self.getImageScaleToStage(
$(stage).width(),
$(stage).height()
);
$.extend(self.imageData, {
initWidth: self.img.width * scale,
initHeight: self.img.height * scale,
initLeft: ($(stage).width() - self.img.width * scale) / 2,
initTop: ($(stage).height() - self.img.height * scale) / 2
});
};
$.each(resizableHandles, function (dir, handle) {
handle.on(TOUCH_START_EVENT + EVENT_NS, function (e) {
dragStart(dir, e);
});
});
};
// Add to Magnify Prototype
$.extend(Magnify.prototype, {
resizable: resizable
});
});
// VERSION: 2.3 LAST UPDATE: 11.07.2013
/*
* Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
*
* Made by Wilq32, wilq32@gmail.com, Wroclaw, Poland, 01.2009
* Website: http://jqueryrotate.com
*/
(function($) {
var supportedCSS, supportedCSSOrigin, styles = document.getElementsByTagName('head')[0].style,
toCheck = 'transformProperty WebkitTransform OTransform msTransform MozTransform'.split(' ');
for (var a = 0; a < toCheck.length; a++)
if (styles[toCheck[a]] !== undefined) { supportedCSS = toCheck[a]; }
if (supportedCSS) {
supportedCSSOrigin = supportedCSS.replace(/[tT]ransform/, 'TransformOrigin');
if (supportedCSSOrigin[0] == 'T') supportedCSSOrigin[0] = 't';
}
// Bad eval to preven google closure to remove it from code o_O
eval('IE = "v"=="\v"');
jQuery.fn.extend({
rotate: function(parameters) {
if (this.length === 0 || typeof parameters == 'undefined') return;
if (typeof parameters == 'number') parameters = { angle: parameters };
var returned = [];
for (var i = 0, i0 = this.length; i < i0; i++) {
var element = this.get(i);
if (!element.Wilq32 || !element.Wilq32.PhotoEffect) {
var paramClone = $.extend(true, {}, parameters);
var newRotObject = new Wilq32.PhotoEffect(element, paramClone)._rootObj;
returned.push($(newRotObject));
} else {
element.Wilq32.PhotoEffect._handleRotation(parameters);
}
}
return returned;
},
getRotateAngle: function() {
var ret = [0];
for (var i = 0, i0 = this.length; i < i0; i++) {
var element = this.get(i);
if (element.Wilq32 && element.Wilq32.PhotoEffect) {
ret[i] = element.Wilq32.PhotoEffect._angle;
}
}
return ret;
},
stopRotate: function() {
for (var i = 0, i0 = this.length; i < i0; i++) {
var element = this.get(i);
if (element.Wilq32 && element.Wilq32.PhotoEffect) {
clearTimeout(element.Wilq32.PhotoEffect._timer);
}
}
}
});
// Library agnostic interface
Wilq32 = window.Wilq32 || {};
Wilq32.PhotoEffect = (function() {
if (supportedCSS) {
return function(img, parameters) {
img.Wilq32 = {
PhotoEffect: this
};
this._img = this._rootObj = this._eventObj = img;
this._handleRotation(parameters);
};
} else {
return function(img, parameters) {
this._img = img;
this._onLoadDelegate = [parameters];
this._rootObj = document.createElement('span');
this._rootObj.style.display = 'inline-block';
this._rootObj.Wilq32 = {
PhotoEffect: this
};
img.parentNode.insertBefore(this._rootObj, img);
if (img.complete) {
this._Loader();
} else {
var self = this;
// TODO: Remove jQuery dependency
jQuery(this._img).bind('load', function() { self._Loader(); });
}
};
}
})();
Wilq32.PhotoEffect.prototype = {
_setupParameters: function(parameters) {
this._parameters = this._parameters || {};
if (typeof this._angle !== 'number') { this._angle = 0; }
if (typeof parameters.angle === 'number') { this._angle = parameters.angle; }
this._parameters.animateTo = (typeof parameters.animateTo === 'number') ? (parameters.animateTo) : (this._angle);
this._parameters.step = parameters.step || this._parameters.step || null;
this._parameters.easing = parameters.easing || this._parameters.easing || this._defaultEasing;
this._parameters.duration = 'duration' in parameters ? parameters.duration : parameters.duration || this._parameters.duration || 1000;
this._parameters.callback = parameters.callback || this._parameters.callback || this._emptyFunction;
this._parameters.center = parameters.center || this._parameters.center || ['50%', '50%'];
if (typeof this._parameters.center[0] == 'string') {
this._rotationCenterX = (parseInt(this._parameters.center[0], 10) / 100) * this._imgWidth * this._aspectW;
} else {
this._rotationCenterX = this._parameters.center[0];
}
if (typeof this._parameters.center[1] == 'string') {
this._rotationCenterY = (parseInt(this._parameters.center[1], 10) / 100) * this._imgHeight * this._aspectH;
} else {
this._rotationCenterY = this._parameters.center[1];
}
if (parameters.bind && parameters.bind != this._parameters.bind) { this._BindEvents(parameters.bind); }
},
_emptyFunction: function() {},
_defaultEasing: function(x, t, b, c, d) { return -c * ((t = t / d - 1) * t * t * t - 1) + b; },
_handleRotation: function(parameters, dontcheck) {
if (!supportedCSS && !this._img.complete && !dontcheck) {
this._onLoadDelegate.push(parameters);
return;
}
this._setupParameters(parameters);
if (this._angle == this._parameters.animateTo) {
this._rotate(this._angle);
} else {
this._animateStart();
}
},
_BindEvents: function(events) {
if (events && this._eventObj) {
// Unbinding previous Events
if (this._parameters.bind) {
var oldEvents = this._parameters.bind;
for (var a in oldEvents)
if (oldEvents.hasOwnProperty(a))
// TODO: Remove jQuery dependency
jQuery(this._eventObj).unbind(a, oldEvents[a]);
}
this._parameters.bind = events;
for (var a in events)
if (events.hasOwnProperty(a))
// TODO: Remove jQuery dependency
jQuery(this._eventObj).bind(a, events[a]);
}
},
_Loader: (function() {
if (IE)
return function() {
var width = this._img.width;
var height = this._img.height;
this._imgWidth = width;
this._imgHeight = height;
this._img.parentNode.removeChild(this._img);
this._vimage = this.createVMLNode('image');
this._vimage.src = this._img.src;
this._vimage.style.height = height + 'px';
this._vimage.style.width = width + 'px';
this._vimage.style.position = 'absolute'; // FIXES IE PROBLEM - its only rendered if its on absolute position!
this._vimage.style.top = '0px';
this._vimage.style.left = '0px';
this._aspectW = this._aspectH = 1;
/* Group minifying a small 1px precision problem when rotating object */
this._container = this.createVMLNode('group');
this._container.style.width = width;
this._container.style.height = height;
this._container.style.position = 'absolute';
this._container.style.top = '0px';
this._container.style.left = '0px';
this._container.setAttribute('coordsize', width - 1 + ',' + (height - 1)); // This -1, -1 trying to fix ugly problem with small displacement on IE
this._container.appendChild(this._vimage);
this._rootObj.appendChild(this._container);
this._rootObj.style.position = 'relative'; // FIXES IE PROBLEM
this._rootObj.style.width = width + 'px';
this._rootObj.style.height = height + 'px';
this._rootObj.setAttribute('id', this._img.getAttribute('id'));
this._rootObj.className = this._img.className;
this._eventObj = this._rootObj;
var parameters;
while (parameters = this._onLoadDelegate.shift()) {
this._handleRotation(parameters, true);
}
};
else return function() {
this._rootObj.setAttribute('id', this._img.getAttribute('id'));
this._rootObj.className = this._img.className;
this._imgWidth = this._img.naturalWidth;
this._imgHeight = this._img.naturalHeight;
var _widthMax = Math.sqrt((this._imgHeight) * (this._imgHeight) + (this._imgWidth) * (this._imgWidth));
this._width = _widthMax * 3;
this._height = _widthMax * 3;
this._aspectW = this._img.offsetWidth / this._img.naturalWidth;
this._aspectH = this._img.offsetHeight / this._img.naturalHeight;
this._img.parentNode.removeChild(this._img);
this._canvas = document.createElement('canvas');
this._canvas.setAttribute('width', this._width);
this._canvas.style.position = 'relative';
this._canvas.style.left = -this._img.height * this._aspectW + 'px';
this._canvas.style.top = -this._img.width * this._aspectH + 'px';
this._canvas.Wilq32 = this._rootObj.Wilq32;
this._rootObj.appendChild(this._canvas);
this._rootObj.style.width = this._img.width * this._aspectW + 'px';
this._rootObj.style.height = this._img.height * this._aspectH + 'px';
this._eventObj = this._canvas;
this._cnv = this._canvas.getContext('2d');
var parameters;
while (parameters = this._onLoadDelegate.shift()) {
this._handleRotation(parameters, true);
}
};
})(),
_animateStart: function() {
if (this._timer) {
clearTimeout(this._timer);
}
this._animateStartTime = +new Date;
this._animateStartAngle = this._angle;
this._animate();
},
_animate: function() {
var actualTime = +new Date;
var checkEnd = actualTime - this._animateStartTime > this._parameters.duration;
// TODO: Bug for animatedGif for static rotation ? (to test)
if (checkEnd && !this._parameters.animatedGif) {
clearTimeout(this._timer);
} else {
if (this._canvas || this._vimage || this._img) {
var angle = this._parameters.easing(0, actualTime - this._animateStartTime, this._animateStartAngle, this._parameters.animateTo - this._animateStartAngle, this._parameters.duration);
this._rotate((~~(angle * 10)) / 10);
}
if (this._parameters.step) {
this._parameters.step(this._angle);
}
var self = this;
this._timer = setTimeout(function() {
self._animate.call(self);
}, 10);
}
// To fix Bug that prevents using recursive function in callback I moved this function to back
if (this._parameters.callback && checkEnd) {
this._angle = this._parameters.animateTo;
this._rotate(this._angle);
this._parameters.callback.call(this._rootObj);
}
},
_rotate: (function() {
var rad = Math.PI / 180;
if (IE)
return function(angle) {
this._angle = angle;
this._container.style.rotation = (angle % 360) + 'deg';
this._vimage.style.top = -(this._rotationCenterY - this._imgHeight / 2) + 'px';
this._vimage.style.left = -(this._rotationCenterX - this._imgWidth / 2) + 'px';
this._container.style.top = this._rotationCenterY - this._imgHeight / 2 + 'px';
this._container.style.left = this._rotationCenterX - this._imgWidth / 2 + 'px';
};
else if (supportedCSS)
return function(angle) {
this._angle = angle;
this._img.style[supportedCSS] = 'rotate(' + (angle % 360) + 'deg)';
this._img.style[supportedCSSOrigin] = this._parameters.center.join(' ');
};
else
return function(angle) {
this._angle = angle;
angle = (angle % 360) * rad;
// clear canvas
this._canvas.width = this._width; //+this._widthAdd;
this._canvas.height = this._height; //+this._heightAdd;
// REMEMBER: all drawings are read from backwards.. so first function is translate, then rotate, then translate, translate..
this._cnv.translate(this._imgWidth * this._aspectW, this._imgHeight * this._aspectH); // at least center image on screen
this._cnv.translate(this._rotationCenterX, this._rotationCenterY); // we move image back to its orginal
this._cnv.rotate(angle); // rotate image
this._cnv.translate(-this._rotationCenterX, -this._rotationCenterY); // move image to its center, so we can rotate around its center
this._cnv.scale(this._aspectW, this._aspectH); // SCALE - if needed ;)
this._cnv.drawImage(this._img, 0, 0); // First - we draw image
};
})()
};
if (IE) {
Wilq32.PhotoEffect.prototype.createVMLNode = (function() {
document.createStyleSheet().addRule('.rvml', 'behavior:url(#default#VML)');
try {
!document.namespaces.rvml && document.namespaces.add('rvml', 'urn:schemas-microsoft-com:vml');
return function(tagName) {
return document.createElement('');
};
} catch (e) {
return function(tagName) {
return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
};
}
})();
}
})(jQuery);