/*
* imgAreaSelect jQuery plugin
- * version 0.9.1
+ * version 0.9.6
*
- * Copyright (c) 2008-2009 Michal Wojciechowski (odyniec.net)
+ * Copyright (c) 2008-2011 Michal Wojciechowski (odyniec.net)
*
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
left, top,
- imgOfs,
+ imgOfs = { left: 0, top: 0 },
imgWidth, imgHeight,
$parent,
- parOfs,
+ parOfs = { left: 0, top: 0 },
zIndex = 0,
resize,
+ minWidth, minHeight, maxWidth, maxHeight,
+
aspectRatio,
shown,
selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 },
+ docElem = document.documentElement,
+
$p, d, i, o, w, h, adjusted;
function viewX(x) {
var sx = noScale || scaleX, sy = noScale || scaleY;
selection = {
- x1: round(x1 / sx),
- y1: round(y1 / sy),
- x2: round(x2 / sx),
- y2: round(y2 / sy)
+ x1: round(x1 / sx || 0),
+ y1: round(y1 / sy || 0),
+ x2: round(x2 / sx || 0),
+ y2: round(y2 / sy || 0)
};
- selection.width = (x2 = viewX(selection.x2)) - (x1 = viewX(selection.x1));
- selection.height = (y2 = viewX(selection.y2)) - (y1 = viewX(selection.y1));
+ selection.width = selection.x2 - selection.x1;
+ selection.height = selection.y2 - selection.y1;
}
function adjust() {
imgOfs = { left: round($img.offset().left), top: round($img.offset().top) };
- imgWidth = $img.width();
- imgHeight = $img.height();
+ imgWidth = $img.innerWidth();
+ imgHeight = $img.innerHeight();
+
+ imgOfs.top += ($img.outerHeight() - imgHeight) >> 1;
+ imgOfs.left += ($img.outerWidth() - imgWidth) >> 1;
- if ($().jquery == '1.3.2' && $.browser.safari && position == 'fixed') {
- imgOfs.top += max(document.documentElement.scrollTop, $('body').scrollTop());
+ minWidth = options.minWidth || 0;
+ minHeight = options.minHeight || 0;
+ maxWidth = min(options.maxWidth || 1<<24, imgWidth);
+ maxHeight = min(options.maxHeight || 1<<24, imgHeight);
- imgOfs.left += max(document.documentElement.scrollLeft, $('body').scrollLeft());
+ if ($().jquery == '1.3.2' && position == 'fixed' &&
+ !docElem['getBoundingClientRect'])
+ {
+ imgOfs.top += max(document.body.scrollTop, docElem.scrollTop);
+ imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft);
}
parOfs = $.inArray($parent.css('position'), ['absolute', 'relative']) + 1 ?
left = viewX(0);
top = viewY(0);
+
+ if (selection.x2 > imgWidth || selection.y2 > imgHeight)
+ doResize();
}
function update(resetKeyPress) {
switch ($handles.length) {
case 8:
- $($handles[4]).css({ left: w / 2 });
- $($handles[5]).css({ left: w, top: h / 2 });
- $($handles[6]).css({ left: w / 2, top: h });
- $($handles[7]).css({ top: h / 2 });
+ $($handles[4]).css({ left: w >> 1 });
+ $($handles[5]).css({ left: w, top: h >> 1 });
+ $($handles[6]).css({ left: w >> 1, top: h });
+ $($handles[7]).css({ top: h >> 1 });
case 4:
$handles.slice(1,3).css({ left: w });
$handles.slice(2,4).css({ top: h });
resize = '';
if (options.resizable) {
- if (y <= resizeMargin)
+ if (y <= options.resizeMargin)
resize = 'n';
- else if (y >= selection.height - resizeMargin)
+ else if (y >= selection.height - options.resizeMargin)
resize = 's';
- if (x <= resizeMargin)
+ if (x <= options.resizeMargin)
resize += 'w';
- else if (x >= selection.width - resizeMargin)
+ else if (x >= selection.width - options.resizeMargin)
resize += 'e';
}
function docMouseUp(event) {
$('body').css('cursor', '');
-
if (options.autoHide || selection.width * selection.height == 0)
hide($box.add($outer), function () { $(this).hide(); });
- options.onSelectEnd(img, getSelection());
-
$(document).unbind('mousemove', selectingMouseMove);
$box.mousemove(areaMouseMove);
+
+ options.onSelectEnd(img, getSelection());
}
function areaMouseDown(event) {
return false;
}
- function aspectRatioXY() {
- x2 = max(left, min(left + imgWidth,
- x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)));
-
- y2 = round(max(top, min(top + imgHeight,
- y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))));
- x2 = round(x2);
- }
+ function fixAspectRatio(xFirst) {
+ if (aspectRatio)
+ if (xFirst) {
+ x2 = max(left, min(left + imgWidth,
+ x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)));
- function aspectRatioYX() {
- y2 = max(top, min(top + imgHeight,
- y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)));
- x2 = round(max(left, min(left + imgWidth,
- x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))));
- y2 = round(y2);
+ y2 = round(max(top, min(top + imgHeight,
+ y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))));
+ x2 = round(x2);
+ }
+ else {
+ y2 = max(top, min(top + imgHeight,
+ y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)));
+ x2 = round(max(left, min(left + imgWidth,
+ x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))));
+ y2 = round(y2);
+ }
}
function doResize() {
- if (abs(x2 - x1) < options.minWidth) {
- x2 = x1 - options.minWidth * (x2 < x1 || -1);
+ x1 = min(x1, left + imgWidth);
+ y1 = min(y1, top + imgHeight);
+
+ if (abs(x2 - x1) < minWidth) {
+ x2 = x1 - minWidth * (x2 < x1 || -1);
if (x2 < left)
- x1 = left + options.minWidth;
+ x1 = left + minWidth;
else if (x2 > left + imgWidth)
- x1 = left + imgWidth - options.minWidth;
+ x1 = left + imgWidth - minWidth;
}
- if (abs(y2 - y1) < options.minHeight) {
- y2 = y1 - options.minHeight * (y2 < y1 || -1);
+ if (abs(y2 - y1) < minHeight) {
+ y2 = y1 - minHeight * (y2 < y1 || -1);
if (y2 < top)
- y1 = top + options.minHeight;
+ y1 = top + minHeight;
else if (y2 > top + imgHeight)
- y1 = top + imgHeight - options.minHeight;
+ y1 = top + imgHeight - minHeight;
}
x2 = max(left, min(x2, left + imgWidth));
y2 = max(top, min(y2, top + imgHeight));
- if (aspectRatio)
- if (abs(x2 - x1) / aspectRatio > abs(y2 - y1))
- aspectRatioYX();
- else
- aspectRatioXY();
+ fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio);
- if (abs(x2 - x1) > options.maxWidth) {
- x2 = x1 - options.maxWidth * (x2 < x1 || -1);
- if (aspectRatio) aspectRatioYX();
+ if (abs(x2 - x1) > maxWidth) {
+ x2 = x1 - maxWidth * (x2 < x1 || -1);
+ fixAspectRatio();
}
- if (abs(y2 - y1) > options.maxHeight) {
- y2 = y1 - options.maxHeight * (y2 < y1 || -1);
- if (aspectRatio) aspectRatioXY();
+ if (abs(y2 - y1) > maxHeight) {
+ y2 = y1 - maxHeight * (y2 < y1 || -1);
+ fixAspectRatio(true);
}
selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)),
x2 = (x1 = newX1) + selection.width;
y2 = (y1 = newY1) + selection.height;
- selection = $.extend(selection, { x1: selX(x1), y1: selY(y1),
- x2: selX(x2), y2: selY(y2) });
+ $.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2),
+ y2: selY(y2) });
update();
}
function startSelection() {
+ $(document).unbind('mousemove', startSelection);
adjust();
x2 = x1;
}
function cancelSelection() {
- $(document).unbind('mousemove', startSelection);
+ $(document).unbind('mousemove', startSelection)
+ .unbind('mouseup', cancelSelection);
hide($box.add($outer));
- selection = { x1: selX(x1), y1: selY(y1), x2: selX(x1), y2: selY(y1),
- width: 0, height: 0 };
+ setSelection(selX(x1), selY(y1), selX(x1), selY(y1));
options.onSelectChange(img, getSelection());
options.onSelectEnd(img, getSelection());
startX = x1 = evX(event);
startY = y1 = evY(event);
- $(document).one('mousemove', startSelection)
- .one('mouseup', cancelSelection);
+ $(document).mousemove(startSelection).mouseup(cancelSelection);
return false;
}
- function parentScroll() {
+ function windowResize() {
doUpdate(false);
}
setOptions(options = $.extend({
classPrefix: 'imgareaselect',
movable: true,
- resizable: true,
parent: 'body',
+ resizable: true,
+ resizeMargin: 10,
onInit: function () {},
onSelectStart: function () {},
onSelectChange: function () {},
}
var docKeyPress = function(event) {
- var k = options.keys, d, t, key = event.keyCode || event.which;
+ var k = options.keys, d, t, key = event.keyCode;
d = !isNaN(k.alt) && (event.altKey || event.originalEvent.altKey) ? k.alt :
!isNaN(k.ctrl) && event.ctrlKey ? k.ctrl :
t = max(x1, x2);
x1 = min(x1, x2);
x2 = max(t + d, x1);
- if (aspectRatio) aspectRatioYX();
+ fixAspectRatio();
break;
case 38:
d = -d;
t = max(y1, y2);
y1 = min(y1, y2);
y2 = max(t + d, y1);
- if (aspectRatio) aspectRatioXY();
+ fixAspectRatio(true);
break;
default:
return;
if (newOptions.parent)
($parent = $(newOptions.parent)).append($box.add($outer));
- options = $.extend(options, newOptions);
+ $.extend(options, newOptions);
adjust();
zIndex: zIndex + 1 || 1
});
- if (!parseInt($handles.css('width')))
+ if (!parseInt($handles.css('width')) >= 0)
$handles.width(5).height(5);
if (o = options.borderWidth)
if (newOptions.x1 != null) {
setSelection(newOptions.x1, newOptions.y1, newOptions.x2,
- newOptions.y2);
+ newOptions.y2);
newOptions.show = !newOptions.hide;
}
if (o = options.borderColor2)
$($border[1]).css({ borderStyle: 'dashed', borderColor: o });
- $box.append($area.add($border).add($handles).add($areaOpera));
+ $box.append($area.add($border).add($areaOpera).add($handles));
if ($.browser.msie) {
if (o = $outer.css('filter').match(/opacity=([0-9]+)/))
aspectRatio = (d = (options.aspectRatio || '').split(/:/))[0] / d[1];
+ $img.add($outer).unbind('mousedown', imgMouseDown);
+
if (options.disable || options.enable === false) {
$box.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown);
- $img.add($outer).unbind('mousedown', imgMouseDown);
- $(window).unbind('resize', parentScroll);
- $img.add($img.parents()).unbind('scroll', parentScroll);
+ $(window).unbind('resize', windowResize);
}
- else if (options.enable || options.disable === false) {
- if (options.resizable || options.movable)
- $box.mousemove(areaMouseMove).mousedown(areaMouseDown);
+ else {
+ if (options.enable || options.disable === false) {
+ if (options.resizable || options.movable)
+ $box.mousemove(areaMouseMove).mousedown(areaMouseDown);
+
+ $(window).resize(windowResize);
+ }
if (!options.persistent)
$img.add($outer).mousedown(imgMouseDown);
- $(window).resize(parentScroll);
- $img.add($img.parents()).scroll(parentScroll);
}
options.enable = options.disable = undefined;
}
+ this.remove = function () {
+ setOptions({ disable: true });
+ $box.add($outer).remove();
+ };
+
this.getOptions = function () { return options; };
this.setOptions = setOptions;
$p = $img;
- while ($p.length && !$p.is('body')) {
- if (!isNaN($p.css('z-index')) && $p.css('z-index') > zIndex)
- zIndex = $p.css('z-index');
+ while ($p.length) {
+ zIndex = max(zIndex,
+ !isNaN($p.css('z-index')) ? $p.css('z-index') : zIndex);
if ($p.css('position') == 'fixed')
position = 'fixed';
- $p = $p.parent();
+ $p = $p.parent(':not(body)');
}
- if (!isNaN(options.zIndex))
- zIndex = options.zIndex;
+ zIndex = options.zIndex || zIndex;
if ($.browser.msie)
$img.attr('unselectable', 'on');
$box.add($outer).css({ visibility: 'hidden', position: position,
overflow: 'hidden', zIndex: zIndex || '0' });
$box.css({ zIndex: zIndex + 2 || 2 });
- $area.add($border).css({ position: 'absolute' });
+ $area.add($border).css({ position: 'absolute', fontSize: 0 });
img.complete || img.readyState == 'complete' || !$img.is('img') ?
imgLoad() : $img.one('load', imgLoad);
+ if ($.browser.msie && $.browser.version >= 9)
+ img.src = img.src;
};
$.fn.imgAreaSelect = function (options) {
options = options || {};
this.each(function () {
- if ($(this).data('imgAreaSelect'))
- $(this).data('imgAreaSelect').setOptions(options);
- else {
+ if ($(this).data('imgAreaSelect')) {
+ if (options.remove) {
+ $(this).data('imgAreaSelect').remove();
+ $(this).removeData('imgAreaSelect');
+ }
+ else
+ $(this).data('imgAreaSelect').setOptions(options);
+ }
+ else if (!options.remove) {
if (options.enable === undefined && options.disable === undefined)
options.enable = true;
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