2
* imgAreaSelect jQuery plugin
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* Copyright (c) 2008-2013 Michal Wojciechowski (odyniec.net)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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* http://odyniec.net/projects/imgareaselect/
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* Math functions will be used extensively, so it's convenient to make a few
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* Create a new HTML div element
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* @return A jQuery object representing the new element
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* imgAreaSelect initialization
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* A HTML image element to attach the plugin to
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$.imgAreaSelect = function (img, options) {
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/* jQuery object representing the image */
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/* Has the image finished loading? */
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/* Border (four divs) */
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$border = div().add(div()).add(div()).add(div()),
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/* Outer area (four divs) */
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$outer = div().add(div()).add(div()).add(div()),
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/* Handles (empty by default, initialized in setOptions()) */
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* Additional element to work around a cursor problem in Opera
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/* Image position (relative to viewport) */
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/* Image offset (as returned by .offset()) */
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imgOfs = { left: 0, top: 0 },
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/* Image dimensions (as returned by .width() and .height()) */
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* jQuery object representing the parent element that the plugin
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* elements are appended to
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/* Parent element offset (as returned by .offset()) */
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parOfs = { left: 0, top: 0 },
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/* Base z-index for plugin elements */
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/* Plugin elements position */
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position = 'absolute',
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/* X/Y coordinates of the starting point for move/resize operations */
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/* Horizontal and vertical scaling factors */
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/* Current resize mode ("nw", "se", etc.) */
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/* Selection area constraints */
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minWidth, minHeight, maxWidth, maxHeight,
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/* Aspect ratio to maintain (floating point number) */
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/* Are the plugin elements currently displayed? */
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/* Current selection (relative to parent element) */
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/* Current selection (relative to scaled image) */
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selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 },
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/* Document element */
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docElem = document.documentElement,
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ua = navigator.userAgent,
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/* Various helper variables used throughout the code */
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$p, d, i, o, w, h, adjusted;
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* Translate selection coordinates (relative to scaled image) to viewport
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* coordinates (relative to parent element)
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* Translate selection X to viewport X
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return x + imgOfs.left - parOfs.left;
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* Translate selection Y to viewport Y
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return y + imgOfs.top - parOfs.top;
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* Translate viewport coordinates to selection coordinates
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* Translate viewport X to selection X
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* @return Selection X
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return x - imgOfs.left + parOfs.left;
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* Translate viewport Y to selection Y
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* @return Selection Y
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return y - imgOfs.top + parOfs.top;
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* Translate event coordinates (relative to document) to viewport
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* Get event X and translate it to viewport X
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function evX(event) {
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return event.pageX - parOfs.left;
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* Get event Y and translate it to viewport Y
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function evY(event) {
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return event.pageY - parOfs.top;
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* Get the current selection
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* If set to <code>true</code>, scaling is not applied to the
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* @return Selection object
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function getSelection(noScale) {
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var sx = noScale || scaleX, sy = noScale || scaleY;
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return { x1: round(selection.x1 * sx),
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y1: round(selection.y1 * sy),
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x2: round(selection.x2 * sx),
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y2: round(selection.y2 * sy),
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width: round(selection.x2 * sx) - round(selection.x1 * sx),
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height: round(selection.y2 * sy) - round(selection.y1 * sy) };
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* Set the current selection
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* X coordinate of the upper left corner of the selection area
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* Y coordinate of the upper left corner of the selection area
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* X coordinate of the lower right corner of the selection area
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* Y coordinate of the lower right corner of the selection area
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* If set to <code>true</code>, scaling is not applied to the
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function setSelection(x1, y1, x2, y2, noScale) {
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var sx = noScale || scaleX, sy = noScale || scaleY;
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x1: round(x1 / sx || 0),
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y1: round(y1 / sy || 0),
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x2: round(x2 / sx || 0),
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y2: round(y2 / sy || 0)
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selection.width = selection.x2 - selection.x1;
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selection.height = selection.y2 - selection.y1;
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* Recalculate image and parent offsets
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* Do not adjust if image has not yet loaded or if width is not a
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* positive number. The latter might happen when imgAreaSelect is put
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* on a parent element which is then hidden.
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if (!imgLoaded || !$img.width())
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* Get image offset. The .offset() method returns float values, so they
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* need to be rounded.
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imgOfs = { left: round($img.offset().left), top: round($img.offset().top) };
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/* Get image dimensions */
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imgWidth = $img.innerWidth();
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imgHeight = $img.innerHeight();
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imgOfs.top += ($img.outerHeight() - imgHeight) >> 1;
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imgOfs.left += ($img.outerWidth() - imgWidth) >> 1;
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/* Set minimum and maximum selection area dimensions */
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minWidth = round(options.minWidth / scaleX) || 0;
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minHeight = round(options.minHeight / scaleY) || 0;
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maxWidth = round(min(options.maxWidth / scaleX || 1<<24, imgWidth));
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maxHeight = round(min(options.maxHeight / scaleY || 1<<24, imgHeight));
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* Workaround for jQuery 1.3.2 incorrect offset calculation, originally
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* observed in Safari 3. Firefox 2 is also affected.
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if ($().jquery == '1.3.2' && position == 'fixed' &&
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!docElem['getBoundingClientRect'])
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imgOfs.top += max(document.body.scrollTop, docElem.scrollTop);
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imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft);
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/* Determine parent element offset */
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parOfs = /absolute|relative/.test($parent.css('position')) ?
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{ left: round($parent.offset().left) - $parent.scrollLeft(),
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top: round($parent.offset().top) - $parent.scrollTop() } :
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position == 'fixed' ?
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{ left: $(document).scrollLeft(), top: $(document).scrollTop() } :
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* Check if selection area is within image boundaries, adjust if
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if (selection.x2 > imgWidth || selection.y2 > imgHeight)
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* Update plugin elements
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* @param resetKeyPress
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* If set to <code>false</code>, this instance's keypress
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* event handler is not activated
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function update(resetKeyPress) {
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/* If plugin elements are hidden, do nothing */
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* Set the position and size of the container box and the selection area
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$box.css({ left: viewX(selection.x1), top: viewY(selection.y1) })
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.add($area).width(w = selection.width).height(h = selection.height);
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* Reset the position of selection area, borders, and handles (IE6/IE7
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* position them incorrectly if we don't do this)
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$area.add($border).add($handles).css({ left: 0, top: 0 });
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/* Set border dimensions */
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.width(max(w - $border.outerWidth() + $border.innerWidth(), 0))
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.height(max(h - $border.outerHeight() + $border.innerHeight(), 0));
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/* Arrange the outer area elements */
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$($outer[0]).css({ left: left, top: top,
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width: selection.x1, height: imgHeight });
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$($outer[1]).css({ left: left + selection.x1, top: top,
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width: w, height: selection.y1 });
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$($outer[2]).css({ left: left + selection.x2, top: top,
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width: imgWidth - selection.x2, height: imgHeight });
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$($outer[3]).css({ left: left + selection.x1, top: top + selection.y2,
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width: w, height: imgHeight - selection.y2 });
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w -= $handles.outerWidth();
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h -= $handles.outerHeight();
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/* Arrange handles */
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switch ($handles.length) {
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$($handles[4]).css({ left: w >> 1 });
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$($handles[5]).css({ left: w, top: h >> 1 });
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$($handles[6]).css({ left: w >> 1, top: h });
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$($handles[7]).css({ top: h >> 1 });
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$handles.slice(1,3).css({ left: w });
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$handles.slice(2,4).css({ top: h });
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if (resetKeyPress !== false) {
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* Need to reset the document keypress event handler -- unbind the
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if ($.imgAreaSelect.onKeyPress != docKeyPress)
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$(document).unbind($.imgAreaSelect.keyPress,
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$.imgAreaSelect.onKeyPress);
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* Set the document keypress event handler to this instance's
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* docKeyPress() function
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$(document)[$.imgAreaSelect.keyPress](
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$.imgAreaSelect.onKeyPress = docKeyPress);
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* Internet Explorer displays 1px-wide dashed borders incorrectly by
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* filling the spaces between dashes with white. Toggling the margin
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* property between 0 and "auto" fixes this in IE6 and IE7 (IE8 is still
391
* broken). This workaround is not perfect, as it requires setTimeout()
392
* and thus causes the border to flicker a bit, but I haven't found a
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* Note: This only happens with CSS borders, set with the borderWidth,
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* borderOpacity, borderColor1, and borderColor2 options (which are now
397
* deprecated). Borders created with GIF background images are fine.
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if (msie && $border.outerWidth() - $border.innerWidth() == 2) {
400
$border.css('margin', 0);
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setTimeout(function () { $border.css('margin', 'auto'); }, 0);
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* Do the complete update sequence: recalculate offsets, update the
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* elements, and set the correct values of x1, y1, x2, and y2.
409
* @param resetKeyPress
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* If set to <code>false</code>, this instance's keypress
411
* event handler is not activated
413
function doUpdate(resetKeyPress) {
415
update(resetKeyPress);
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x1 = viewX(selection.x1); y1 = viewY(selection.y1);
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x2 = viewX(selection.x2); y2 = viewY(selection.y2);
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* Hide or fade out an element (or multiple elements)
424
* A jQuery object containing the element(s) to hide/fade out
426
* Callback function to be called when fadeOut() completes
428
function hide($elem, fn) {
429
options.fadeSpeed ? $elem.fadeOut(options.fadeSpeed, fn) : $elem.hide();
433
* Selection area mousemove event handler
438
function areaMouseMove(event) {
439
var x = selX(evX(event)) - selection.x1,
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y = selY(evY(event)) - selection.y1;
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$box.one('mouseout', function () { adjusted = false; });
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/* Clear the resize mode */
452
if (options.resizable) {
454
* Check if the mouse pointer is over the resize margin area and set
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* the resize mode accordingly
457
if (y <= options.resizeMargin)
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else if (y >= selection.height - options.resizeMargin)
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if (x <= options.resizeMargin)
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else if (x >= selection.width - options.resizeMargin)
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$box.css('cursor', resize ? resize + '-resize' :
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options.movable ? 'move' : '');
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* Document mouseup event handler
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function docMouseUp(event) {
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/* Set back the default cursor */
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$('body').css('cursor', '');
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* If autoHide is enabled, or if the selection has zero width/height,
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* hide the selection and the outer area
486
if (options.autoHide || selection.width * selection.height == 0)
487
hide($box.add($outer), function () { $(this).hide(); });
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$(document).unbind('mousemove', selectingMouseMove);
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$box.mousemove(areaMouseMove);
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options.onSelectEnd(img, getSelection());
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* Selection area mousedown event handler
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function areaMouseDown(event) {
503
if (event.which != 1) return false;
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/* Resize mode is in effect */
509
$('body').css('cursor', resize + '-resize');
511
x1 = viewX(selection[/w/.test(resize) ? 'x2' : 'x1']);
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y1 = viewY(selection[/n/.test(resize) ? 'y2' : 'y1']);
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$(document).mousemove(selectingMouseMove)
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.one('mouseup', docMouseUp);
516
$box.unbind('mousemove', areaMouseMove);
518
else if (options.movable) {
519
startX = left + selection.x1 - evX(event);
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startY = top + selection.y1 - evY(event);
522
$box.unbind('mousemove', areaMouseMove);
524
$(document).mousemove(movingMouseMove)
525
.one('mouseup', function () {
526
options.onSelectEnd(img, getSelection());
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$(document).unbind('mousemove', movingMouseMove);
529
$box.mousemove(areaMouseMove);
533
$img.mousedown(event);
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* Adjust the x2/y2 coordinates to maintain aspect ratio (if defined)
542
* If set to <code>true</code>, calculate x2 first. Otherwise,
543
* calculate y2 first.
545
function fixAspectRatio(xFirst) {
548
x2 = max(left, min(left + imgWidth,
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x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)));
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y2 = round(max(top, min(top + imgHeight,
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y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))));
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y2 = max(top, min(top + imgHeight,
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y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)));
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x2 = round(max(left, min(left + imgWidth,
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x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))));
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* Resize the selection area respecting the minimum/maximum dimensions and
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function doResize() {
569
* Make sure the top left corner of the selection area stays within
570
* image boundaries (it might not if the image source was dynamically
573
x1 = min(x1, left + imgWidth);
574
y1 = min(y1, top + imgHeight);
576
if (abs(x2 - x1) < minWidth) {
577
/* Selection width is smaller than minWidth */
578
x2 = x1 - minWidth * (x2 < x1 || -1);
581
x1 = left + minWidth;
582
else if (x2 > left + imgWidth)
583
x1 = left + imgWidth - minWidth;
586
if (abs(y2 - y1) < minHeight) {
587
/* Selection height is smaller than minHeight */
588
y2 = y1 - minHeight * (y2 < y1 || -1);
591
y1 = top + minHeight;
592
else if (y2 > top + imgHeight)
593
y1 = top + imgHeight - minHeight;
596
x2 = max(left, min(x2, left + imgWidth));
597
y2 = max(top, min(y2, top + imgHeight));
599
fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio);
601
if (abs(x2 - x1) > maxWidth) {
602
/* Selection width is greater than maxWidth */
603
x2 = x1 - maxWidth * (x2 < x1 || -1);
607
if (abs(y2 - y1) > maxHeight) {
608
/* Selection height is greater than maxHeight */
609
y2 = y1 - maxHeight * (y2 < y1 || -1);
610
fixAspectRatio(true);
613
selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)),
614
y1: selY(min(y1, y2)), y2: selY(max(y1, y2)),
615
width: abs(x2 - x1), height: abs(y2 - y1) };
619
options.onSelectChange(img, getSelection());
623
* Mousemove event handler triggered when the user is selecting an area
629
function selectingMouseMove(event) {
630
x2 = /w|e|^$/.test(resize) || aspectRatio ? evX(event) : viewX(selection.x2);
631
y2 = /n|s|^$/.test(resize) || aspectRatio ? evY(event) : viewY(selection.y2);
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* Move the selection area
646
function doMove(newX1, newY1) {
647
x2 = (x1 = newX1) + selection.width;
648
y2 = (y1 = newY1) + selection.height;
650
$.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2),
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options.onSelectChange(img, getSelection());
659
* Mousemove event handler triggered when the selection area is being moved
665
function movingMouseMove(event) {
666
x1 = max(left, min(startX + evX(event), left + imgWidth - selection.width));
667
y1 = max(top, min(startY + evY(event), top + imgHeight - selection.height));
671
event.preventDefault();
678
function startSelection() {
679
$(document).unbind('mousemove', startSelection);
688
if (!$outer.is(':visible'))
689
/* Show the plugin elements */
690
$box.add($outer).hide().fadeIn(options.fadeSpeed||0);
694
$(document).unbind('mouseup', cancelSelection)
695
.mousemove(selectingMouseMove).one('mouseup', docMouseUp);
696
$box.unbind('mousemove', areaMouseMove);
698
options.onSelectStart(img, getSelection());
704
function cancelSelection() {
705
$(document).unbind('mousemove', startSelection)
706
.unbind('mouseup', cancelSelection);
707
hide($box.add($outer));
709
setSelection(selX(x1), selY(y1), selX(x1), selY(y1));
711
/* If this is an API call, callback functions should not be triggered */
712
if (!(this instanceof $.imgAreaSelect)) {
713
options.onSelectChange(img, getSelection());
714
options.onSelectEnd(img, getSelection());
719
* Image mousedown event handler
725
function imgMouseDown(event) {
726
/* Ignore the event if animation is in progress */
727
if (event.which != 1 || $outer.is(':animated')) return false;
730
startX = x1 = evX(event);
731
startY = y1 = evY(event);
733
/* Selection will start when the mouse is moved */
734
$(document).mousemove(startSelection).mouseup(cancelSelection);
740
* Window resize event handler
742
function windowResize() {
747
* Image load event handler. This is the final part of the initialization
754
setOptions(options = $.extend({
755
classPrefix: 'imgareaselect',
760
onInit: function () {},
761
onSelectStart: function () {},
762
onSelectChange: function () {},
763
onSelectEnd: function () {}
766
$box.add($outer).css({ visibility: '' });
772
$box.add($outer).hide().fadeIn(options.fadeSpeed||0);
776
* Call the onInit callback. The setTimeout() call is used to ensure
777
* that the plugin has been fully initialized and the object instance is
778
* available (so that it can be obtained in the callback).
780
setTimeout(function () { options.onInit(img, getSelection()); }, 0);
784
* Document keypress event handler
790
var docKeyPress = function(event) {
791
var k = options.keys, d, t, key = event.keyCode;
793
d = !isNaN(k.alt) && (event.altKey || event.originalEvent.altKey) ? k.alt :
794
!isNaN(k.ctrl) && event.ctrlKey ? k.ctrl :
795
!isNaN(k.shift) && event.shiftKey ? k.shift :
796
!isNaN(k.arrows) ? k.arrows : 10;
798
if (k.arrows == 'resize' || (k.shift == 'resize' && event.shiftKey) ||
799
(k.ctrl == 'resize' && event.ctrlKey) ||
800
(k.alt == 'resize' && (event.altKey || event.originalEvent.altKey)))
802
/* Resize selection */
823
fixAspectRatio(true);
840
doMove(max(x1 - d, left), y1);
844
doMove(x1, max(y1 - d, top));
848
doMove(x1 + min(d, imgWidth - selX(x2)), y1);
852
doMove(x1, y1 + min(d, imgHeight - selY(y2)));
863
* Apply style options to plugin element (or multiple elements)
866
* A jQuery object representing the element(s) to style
868
* An object that maps option names to corresponding CSS
871
function styleOptions($elem, props) {
872
for (var option in props)
873
if (options[option] !== undefined)
874
$elem.css(props[option], options[option]);
881
* The new options object
883
function setOptions(newOptions) {
884
if (newOptions.parent)
885
($parent = $(newOptions.parent)).append($box.add($outer));
887
/* Merge the new options with the existing ones */
888
$.extend(options, newOptions);
892
if (newOptions.handles != null) {
893
/* Recreate selection area handles */
897
i = newOptions.handles ? newOptions.handles == 'corners' ? 4 : 8 : 0;
900
$handles = $handles.add(div());
902
/* Add a class to handles and set the CSS properties */
903
$handles.addClass(options.classPrefix + '-handle').css({
904
position: 'absolute',
906
* The font-size property needs to be set to zero, otherwise
907
* Internet Explorer makes the handles too large
910
zIndex: zIndex + 1 || 1
914
* If handle width/height has not been set with CSS rules, set the
917
if (!parseInt($handles.css('width')) >= 0)
918
$handles.width(5).height(5);
921
* If the borderWidth option is in use, add a solid border to
924
if (o = options.borderWidth)
925
$handles.css({ borderWidth: o, borderStyle: 'solid' });
927
/* Apply other style options */
928
styleOptions($handles, { borderColor1: 'border-color',
929
borderColor2: 'background-color',
930
borderOpacity: 'opacity' });
933
/* Calculate scale factors */
934
scaleX = options.imageWidth / imgWidth || 1;
935
scaleY = options.imageHeight / imgHeight || 1;
938
if (newOptions.x1 != null) {
939
setSelection(newOptions.x1, newOptions.y1, newOptions.x2,
941
newOptions.show = !newOptions.hide;
945
/* Enable keyboard support */
946
options.keys = $.extend({ shift: 1, ctrl: 'resize' },
949
/* Add classes to plugin elements */
950
$outer.addClass(options.classPrefix + '-outer');
951
$area.addClass(options.classPrefix + '-selection');
952
for (i = 0; i++ < 4;)
953
$($border[i-1]).addClass(options.classPrefix + '-border' + i);
955
/* Apply style options */
956
styleOptions($area, { selectionColor: 'background-color',
957
selectionOpacity: 'opacity' });
958
styleOptions($border, { borderOpacity: 'opacity',
959
borderWidth: 'border-width' });
960
styleOptions($outer, { outerColor: 'background-color',
961
outerOpacity: 'opacity' });
962
if (o = options.borderColor1)
963
$($border[0]).css({ borderStyle: 'solid', borderColor: o });
964
if (o = options.borderColor2)
965
$($border[1]).css({ borderStyle: 'dashed', borderColor: o });
967
/* Append all the selection area elements to the container box */
968
$box.append($area.add($border).add($areaOpera)).append($handles);
971
if (o = ($outer.css('filter')||'').match(/opacity=(\d+)/))
972
$outer.css('opacity', o[1]/100);
973
if (o = ($border.css('filter')||'').match(/opacity=(\d+)/))
974
$border.css('opacity', o[1]/100);
978
hide($box.add($outer));
979
else if (newOptions.show && imgLoaded) {
981
$box.add($outer).fadeIn(options.fadeSpeed||0);
985
/* Calculate the aspect ratio factor */
986
aspectRatio = (d = (options.aspectRatio || '').split(/:/))[0] / d[1];
988
$img.add($outer).unbind('mousedown', imgMouseDown);
990
if (options.disable || options.enable === false) {
991
/* Disable the plugin */
992
$box.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown);
993
$(window).unbind('resize', windowResize);
996
if (options.enable || options.disable === false) {
997
/* Enable the plugin */
998
if (options.resizable || options.movable)
999
$box.mousemove(areaMouseMove).mousedown(areaMouseDown);
1001
$(window).resize(windowResize);
1004
if (!options.persistent)
1005
$img.add($outer).mousedown(imgMouseDown);
1008
options.enable = options.disable = undefined;
1012
* Remove plugin completely
1014
this.remove = function () {
1016
* Call setOptions with { disable: true } to unbind the event handlers
1018
setOptions({ disable: true });
1019
$box.add($outer).remove();
1027
* Get current options
1029
* @return An object containing the set of options currently in use
1031
this.getOptions = function () { return options; };
1034
* Set plugin options
1037
* The new options object
1039
this.setOptions = setOptions;
1042
* Get the current selection
1045
* If set to <code>true</code>, scaling is not applied to the
1046
* returned selection
1047
* @return Selection object
1049
this.getSelection = getSelection;
1052
* Set the current selection
1055
* X coordinate of the upper left corner of the selection area
1057
* Y coordinate of the upper left corner of the selection area
1059
* X coordinate of the lower right corner of the selection area
1061
* Y coordinate of the lower right corner of the selection area
1063
* If set to <code>true</code>, scaling is not applied to the
1066
this.setSelection = setSelection;
1071
this.cancelSelection = cancelSelection;
1074
* Update plugin elements
1076
* @param resetKeyPress
1077
* If set to <code>false</code>, this instance's keypress
1078
* event handler is not activated
1080
this.update = doUpdate;
1082
/* Do the dreaded browser detection */
1083
var msie = (/msie ([\w.]+)/i.exec(ua)||[])[1],
1084
opera = /opera/i.test(ua),
1085
safari = /webkit/i.test(ua) && !/chrome/i.test(ua);
1088
* Traverse the image's parent elements (up to <body>) and find the
1094
zIndex = max(zIndex,
1095
!isNaN($p.css('z-index')) ? $p.css('z-index') : zIndex);
1096
/* Also check if any of the ancestor elements has fixed position */
1097
if ($p.css('position') == 'fixed')
1100
$p = $p.parent(':not(body)');
1104
* If z-index is given as an option, it overrides the one found by the
1107
zIndex = options.zIndex || zIndex;
1110
$img.attr('unselectable', 'on');
1113
* In MSIE and WebKit, we need to use the keydown event instead of keypress
1115
$.imgAreaSelect.keyPress = msie || safari ? 'keydown' : 'keypress';
1118
* There is a bug affecting the CSS cursor property in Opera (observed in
1119
* versions up to 10.00) that prevents the cursor from being updated unless
1120
* the mouse leaves and enters the element again. To trigger the mouseover
1121
* event, we're adding an additional div to $box and we're going to toggle
1122
* it when mouse moves inside the selection area.
1125
$areaOpera = div().css({ width: '100%', height: '100%',
1126
position: 'absolute', zIndex: zIndex + 2 || 2 });
1129
* We initially set visibility to "hidden" as a workaround for a weird
1130
* behaviour observed in Google Chrome 1.0.154.53 (on Windows XP). Normally
1131
* we would just set display to "none", but, for some reason, if we do so
1132
* then Chrome refuses to later display the element with .show() or
1135
$box.add($outer).css({ visibility: 'hidden', position: position,
1136
overflow: 'hidden', zIndex: zIndex || '0' });
1137
$box.css({ zIndex: zIndex + 2 || 2 });
1138
$area.add($border).css({ position: 'absolute', fontSize: 0 });
1141
* If the image has been fully loaded, or if it is not really an image (eg.
1142
* a div), call imgLoad() immediately; otherwise, bind it to be called once
1143
* on image load event.
1145
img.complete || img.readyState == 'complete' || !$img.is('img') ?
1146
imgLoad() : $img.one('load', imgLoad);
1149
* MSIE 9.0 doesn't always fire the image load event -- resetting the src
1150
* attribute seems to trigger it. The check is for version 7 and above to
1151
* accommodate for MSIE 9 running in compatibility mode.
1153
if (!imgLoaded && msie && msie >= 7)
1158
* Invoke imgAreaSelect on a jQuery object containing the image(s)
1162
* @return The jQuery object or a reference to imgAreaSelect instance (if the
1163
* <code>instance</code> option was specified)
1165
$.fn.imgAreaSelect = function (options) {
1166
options = options || {};
1168
this.each(function () {
1169
/* Is there already an imgAreaSelect instance bound to this element? */
1170
if ($(this).data('imgAreaSelect')) {
1171
/* Yes there is -- is it supposed to be removed? */
1172
if (options.remove) {
1173
/* Remove the plugin */
1174
$(this).data('imgAreaSelect').remove();
1175
$(this).removeData('imgAreaSelect');
1179
$(this).data('imgAreaSelect').setOptions(options);
1181
else if (!options.remove) {
1182
/* No exising instance -- create a new one */
1185
* If neither the "enable" nor the "disable" option is present, add
1186
* "enable" as the default
1188
if (options.enable === undefined && options.disable === undefined)
1189
options.enable = true;
1191
$(this).data('imgAreaSelect', new $.imgAreaSelect(this, options));
1195
if (options.instance)
1197
* Return the imgAreaSelect instance bound to the first element in the
1200
return $(this).data('imgAreaSelect');
added
removed
wp-includes/js/imgareaselect/jquery.imgareaselect.js
