1084 lines
22 KiB
JavaScript
1084 lines
22 KiB
JavaScript
/**
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* jquery.Jcrop.js v0.9.5
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* jQuery Image Cropping Plugin
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* @author Kelly Hallman <khallman@wrack.org>
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* Copyright (c) 2008 Kelly Hallman - released under MIT License {{{
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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* }}}
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*/
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(function($) {
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$.Jcrop = function(obj,opt)
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{
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// Initialization {{{
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// Sanitize some options {{{
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var obj = obj, opt = opt;
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if (typeof(obj) !== 'object') obj = $(obj)[0];
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if (typeof(opt) !== 'object') opt = { };
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if (!('trackDocument' in opt))
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opt.trackDocument = $.browser.msie ? false : true;
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if (!('keySupport' in opt))
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opt.keySupport = $.browser.msie ? false : true;
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// }}}
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// Extend the default options {{{
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var defaults = {
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// Basic Settings
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trackDocument: false,
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baseClass: 'jcrop',
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addClass: null,
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// Styling Options
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bgColor: 'black',
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bgOpacity: .6,
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borderOpacity: .4,
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handleOpacity: .5,
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handlePad: 5,
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handleSize: 9,
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handleOffset: 5,
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edgeMargin: 14,
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aspectRatio: 0,
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keySupport: true,
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cornerHandles: true,
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sideHandles: true,
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drawBorders: true,
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dragEdges: true,
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boxWidth: 0,
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boxHeight: 0,
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boundary: 8,
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animationDelay: 20,
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swingSpeed: 3,
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watchShift: false,
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minSelect: [ 0, 0 ],
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maxSize: [ 0, 0 ],
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minSize: [ 0, 0 ],
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// Callbacks / Event Handlers
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onChange: function() { },
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onSelect: function() { }
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};
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var options = defaults;
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setOptions(opt);
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// }}}
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// Initialize some jQuery objects {{{
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var $img = $(obj).css({ position: 'absolute' });
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presize($img,options.boxWidth,options.boxHeight);
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var boundx = $img.width(),
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boundy = $img.height(),
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$div = $('<div />')
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.width(boundx).height(boundy)
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.addClass(cssClass('holder'))
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.css({
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position: 'relative',
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//overflow: 'hidden',
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backgroundColor: options.bgColor
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})
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;
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if (options.addClass) $div.addClass(options.addClass);
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$img.wrap($div);
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var $img2 = $('<img />')/*{{{*/
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.attr('src',$img.attr('src'))
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.css('position','absolute')
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.width(boundx).height(boundy)
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;/*}}}*/
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var $img_holder = $('<div />')/*{{{*/
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.width(pct(100)).height(pct(100))
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.css({
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zIndex: 310,
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position: 'absolute',
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overflow: 'hidden'
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})
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.append($img2)
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;/*}}}*/
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var $hdl_holder = $('<div />')/*{{{*/
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.width(pct(100)).height(pct(100))
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.css({
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zIndex: 320
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//position: 'absolute'
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})
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;/*}}}*/
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var $sel = $('<div />')/*{{{*/
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.css({
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position: 'absolute',
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zIndex: 300
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})
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.insertBefore($img)
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.append($img_holder,$hdl_holder)
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;/*}}}*/
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var bound = options.boundary;
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var $trk = $('<div />')
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.addClass(cssClass('tracker'))
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.width(boundx+(bound*2))
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.height(boundy+(bound*2))
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.css({
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position: 'absolute',
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top: px(-bound),
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left: px(-bound),
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zIndex: 290,
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opacity: 0
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})
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.mousedown(newSelection)
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;
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/* }}} */
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// Set more variables {{{
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var xscale, yscale;
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var docOffset = getPos(obj),
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// Internal states
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btndown, aspectLock, lastcurs, dimmed, animating,
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shift_down;
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// }}}
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if ('trueSize' in options)/*{{{*/
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{
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xscale = options.trueSize[0] / boundx;
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yscale = options.trueSize[1] / boundy;
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}
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/*}}}*/
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// }}}
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// Internal Modules {{{
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var Coords = function()/*{{{*/
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{
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var x1 = 0, y1 = 0, x2 = 0, y2 = 0, ox, oy;
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function setPressed(pos)/*{{{*/
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{
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var pos = rebound(pos);
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x2 = x1 = pos[0];
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y2 = y1 = pos[1];
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};
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/*}}}*/
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function setCurrent(pos)/*{{{*/
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{
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var pos = rebound(pos);
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ox = pos[0] - x2;
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oy = pos[1] - y2;
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x2 = pos[0];
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y2 = pos[1];
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};
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/*}}}*/
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function getOffset()/*{{{*/
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{
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return [ ox, oy ];
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};
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/*}}}*/
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function moveOffset(offset)/*{{{*/
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{
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var ox = offset[0], oy = offset[1];
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if (0 > x1 + ox) ox -= ox + x1;
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if (0 > y1 + oy) oy -= oy + y1;
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if (boundy < y2 + oy) oy += boundy - (y2 + oy);
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if (boundx < x2 + ox) ox += boundx - (x2 + ox);
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x1 += ox;
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x2 += ox;
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y1 += oy;
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y2 += oy;
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};
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/*}}}*/
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function getCorner(ord)/*{{{*/
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{
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var c = getFixed();
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switch(ord)
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{
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case 'ne': return [ c.x2, c.y ];
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case 'nw': return [ c.x, c.y ];
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case 'se': return [ c.x2, c.y2 ];
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case 'sw': return [ c.x, c.y2 ];
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}
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};
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/*}}}*/
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function getFixed()/*{{{*/
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{
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if (!options.aspectRatio && !aspectLock) return getRect();
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// This function could use some optimization I think...
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var aspect = options.aspectRatio ? options.aspectRatio : aspectLock,
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min = options.minSize,
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max = options.maxSize,
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rw = x2 - x1,
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rh = y2 - y1,
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rwa = Math.abs(rw),
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rha = Math.abs(rh),
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real_ratio = rwa / rha,
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xx, yy
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;
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if (real_ratio < aspect)
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{
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yy = y2;
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w = rha * aspect;
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xx = rw < 0 ? x1 - w : w + x1;
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if (xx < 0)
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{
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xx = 0;
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h = Math.abs((xx - x1) / aspect);
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yy = rh < 0 ? y1 - h: h + y1;
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}
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else if (xx > boundx)
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{
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xx = boundx;
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h = Math.abs((xx - x1) / aspect);
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yy = rh < 0 ? y1 - h : h + y1;
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}
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}
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else
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{
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xx = x2;
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h = rwa / aspect;
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yy = rh < 0 ? y1 - h : y1 + h;
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if (yy < 0)
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{
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yy = 0;
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w = Math.abs((yy - y1) * aspect);
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xx = rw < 0 ? x1 - w : w + x1;
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}
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else if (yy > boundy)
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{
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yy = boundy;
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w = Math.abs(yy - y1) * aspect;
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xx = rw < 0 ? x1 - w : w + x1;
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}
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}
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return last = makeObj(flipCoords(x1,y1,xx,yy));
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};
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/*}}}*/
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function rebound(p)/*{{{*/
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{
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if (p[0] < 0) p[0] = 0;
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if (p[1] < 0) p[1] = 0;
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if (p[0] > boundx) p[0] = boundx;
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if (p[1] > boundy) p[1] = boundy;
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return [ p[0], p[1] ];
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};
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/*}}}*/
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function flipCoords(x1,y1,x2,y2)/*{{{*/
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{
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var xa = x1, xb = x2, ya = y1, yb = y2;
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if (x2 < x1)
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{
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xa = x2;
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xb = x1;
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}
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if (y2 < y1)
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{
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ya = y2;
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yb = y1;
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}
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return [ Math.round(xa), Math.round(ya), Math.round(xb), Math.round(yb) ];
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};
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/*}}}*/
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function getRect()/*{{{*/
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{
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var xsize = x2 - x1;
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var ysize = y2 - y1;
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if (xlimit && (Math.abs(xsize) > xlimit))
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x2 = (xsize > 0) ? (x1 + xlimit) : (x1 - xlimit);
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if (ylimit && (Math.abs(ysize) > ylimit))
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y2 = (ysize > 0) ? (y1 + ylimit) : (y1 - ylimit);
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if (ymin && (Math.abs(ysize) < ymin))
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y2 = (ysize > 0) ? (y1 + ymin) : (y1 - ymin);
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if (xmin && (Math.abs(xsize) < xmin))
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x2 = (xsize > 0) ? (x1 + xmin) : (x1 - xmin);
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if (x1 < 0) { x2 -= x1; x1 -= x1; }
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if (y1 < 0) { y2 -= y1; y1 -= y1; }
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if (x2 < 0) { x1 -= x2; x2 -= x2; }
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if (y2 < 0) { y1 -= y2; y2 -= y2; }
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if (x2 > boundx) { var delta = x2 - boundx; x1 -= delta; x2 -= delta; }
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if (y2 > boundy) { var delta = y2 - boundy; y1 -= delta; y2 -= delta; }
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if (x1 > boundx) { var delta = x1 - boundy; y2 -= delta; y1 -= delta; }
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if (y1 > boundy) { var delta = y1 - boundy; y2 -= delta; y1 -= delta; }
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return makeObj(flipCoords(x1,y1,x2,y2));
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};
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/*}}}*/
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function makeObj(a)/*{{{*/
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{
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return { x: a[0], y: a[1], x2: a[2], y2: a[3],
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w: a[2] - a[0], h: a[3] - a[1] };
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};
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/*}}}*/
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return {
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flipCoords: flipCoords,
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setPressed: setPressed,
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setCurrent: setCurrent,
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getOffset: getOffset,
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moveOffset: moveOffset,
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getCorner: getCorner,
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getFixed: getFixed
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};
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}();
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/*}}}*/
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var Selection = function()/*{{{*/
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{
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var start, end, dragmode, awake, hdep = 370;
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var borders = { };
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var handle = { };
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var seehandles = false;
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var hhs = options.handleOffset;
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/* Insert draggable elements {{{*/
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// Insert border divs for outline
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if (options.drawBorders) {
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borders = {
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top: insertBorder('hline')
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.css('top',$.browser.msie?px(-1):px(0)),
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bottom: insertBorder('hline'),
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left: insertBorder('vline'),
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right: insertBorder('vline')
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};
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}
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// Insert handles on edges
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if (options.dragEdges) {
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handle.t = insertDragbar('n');
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handle.b = insertDragbar('s');
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handle.r = insertDragbar('e');
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handle.l = insertDragbar('w');
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}
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// Insert side handles
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options.sideHandles &&
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createHandles(['n','s','e','w']);
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// Insert corner handles
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options.cornerHandles &&
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createHandles(['sw','nw','ne','se']);
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/*}}}*/
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// Private Methods
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function insertBorder(type)/*{{{*/
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{
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var jq = $('<div />')
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.css({position: 'absolute', opacity: options.borderOpacity })
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.addClass(cssClass(type));
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$img_holder.append(jq);
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return jq;
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};
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/*}}}*/
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function dragDiv(ord,zi)/*{{{*/
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{
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var jq = $('<div />')
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.mousedown(createDragger(ord))
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.css({
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cursor: ord+'-resize',
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position: 'absolute',
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zIndex: zi
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})
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;
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$hdl_holder.append(jq);
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return jq;
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};
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/*}}}*/
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function insertHandle(ord)/*{{{*/
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{
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return dragDiv(ord,hdep++)
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.css({ top: px(-hhs+1), left: px(-hhs+1), opacity: options.handleOpacity })
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.addClass(cssClass('handle'));
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};
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/*}}}*/
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function insertDragbar(ord)/*{{{*/
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{
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var s = options.handleSize,
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o = hhs,
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h = s, w = s,
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t = o, l = o;
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switch(ord)
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{
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case 'n': case 's': w = pct(100); break;
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case 'e': case 'w': h = pct(100); break;
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}
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return dragDiv(ord,hdep++).width(w).height(h)
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.css({ top: px(-t+1), left: px(-l+1)});
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};
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/*}}}*/
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function createHandles(li)/*{{{*/
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{
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for(i in li) handle[li[i]] = insertHandle(li[i]);
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};
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/*}}}*/
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function moveHandles(c)/*{{{*/
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{
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var midvert = Math.round((c.h / 2) - hhs),
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midhoriz = Math.round((c.w / 2) - hhs),
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north = west = -hhs+1,
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east = c.w - hhs,
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south = c.h - hhs,
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x, y;
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'e' in handle &&
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handle.e.css({ top: px(midvert), left: px(east) }) &&
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handle.w.css({ top: px(midvert) }) &&
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handle.s.css({ top: px(south), left: px(midhoriz) }) &&
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handle.n.css({ left: px(midhoriz) });
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'ne' in handle &&
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handle.ne.css({ left: px(east) }) &&
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handle.se.css({ top: px(south), left: px(east) }) &&
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handle.sw.css({ top: px(south) });
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'b' in handle &&
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handle.b.css({ top: px(south) }) &&
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handle.r.css({ left: px(east) });
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};
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/*}}}*/
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function moveto(x,y)/*{{{*/
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{
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$img2.css({ top: px(-y), left: px(-x) });
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$sel.css({ top: px(y), left: px(x) });
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};
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/*}}}*/
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function resize(w,h)/*{{{*/
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{
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$sel.width(w).height(h);
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};
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/*}}}*/
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function refresh()/*{{{*/
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{
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var p = Coords.getFixed();
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Coords.setPressed([p.x,p.y]);
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Coords.setCurrent([p.x2,p.y2]);
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};
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/*}}}*/
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// Internal Methods
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function updateVisible()/*{{{*/
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{ if (awake) return update(); };
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/*}}}*/
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function update()/*{{{*/
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{
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var c = Coords.getFixed();
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resize(c.w,c.h);
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moveto(c.x,c.y);
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options.drawBorders &&
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borders['right'].css({ left: px(c.w-1) }) &&
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borders['bottom'].css({ top: px(c.h-1) });
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seehandles && moveHandles(c);
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awake || show();
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options.onChange(unscale(c));
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};
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/*}}}*/
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function show()/*{{{*/
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{
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$sel.show();
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$img.css('opacity',options.bgOpacity);
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awake = true;
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};
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/*}}}*/
|
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function release()/*{{{*/
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{
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disableHandles();
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$sel.hide();
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$img.css('opacity',1);
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awake = false;
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};
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/*}}}*/
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function hide()/*{{{*/
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{
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release();
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$img.css('opacity',1);
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awake = false;
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};
|
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/*}}}*/
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function enableHandles()/*{{{*/
|
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{
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seehandles = true;
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moveHandles(Coords.getFixed());
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$hdl_holder.show();
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};
|
|
/*}}}*/
|
|
function disableHandles()/*{{{*/
|
|
{
|
|
seehandles = false;
|
|
$hdl_holder.hide();
|
|
};
|
|
/*}}}*/
|
|
function animMode(v)/*{{{*/
|
|
{
|
|
(animating = v) ? disableHandles(): enableHandles();
|
|
};
|
|
/*}}}*/
|
|
function done()/*{{{*/
|
|
{
|
|
var c = Coords.getFixed();
|
|
animMode(false);
|
|
refresh();
|
|
};
|
|
/*}}}*/
|
|
|
|
disableHandles();
|
|
|
|
$img_holder.append
|
|
(
|
|
$('<div />')
|
|
.addClass(cssClass('tracker'))
|
|
.mousedown(createDragger('move'))
|
|
.css({ cursor: 'move', position: 'absolute', zIndex: 360, opacity: 0 })
|
|
);
|
|
|
|
return {
|
|
updateVisible: updateVisible,
|
|
update: update,
|
|
release: release,
|
|
show: show,
|
|
hide: hide,
|
|
enableHandles: enableHandles,
|
|
disableHandles: disableHandles,
|
|
animMode: animMode,
|
|
done: done
|
|
};
|
|
}();
|
|
/*}}}*/
|
|
var Tracker = function()/*{{{*/
|
|
{
|
|
var onMove = function() { },
|
|
onDone = function() { },
|
|
trackDoc = options.trackDocument;
|
|
|
|
if (!trackDoc)
|
|
{
|
|
$trk
|
|
.mousemove(trackMove)
|
|
.mouseup(trackUp)
|
|
.mouseout(trackUp)
|
|
;
|
|
}
|
|
|
|
function toFront()/*{{{*/
|
|
{
|
|
if (trackDoc)
|
|
{
|
|
$(document)
|
|
.mousemove(trackMove)
|
|
.mouseup(trackUp)
|
|
;
|
|
}
|
|
$trk.css({zIndex:450});
|
|
}
|
|
/*}}}*/
|
|
function toBack()/*{{{*/
|
|
{
|
|
if (trackDoc)
|
|
{
|
|
$(document)
|
|
.unbind('mousemove',trackMove)
|
|
.unbind('mouseup',trackUp)
|
|
;
|
|
}
|
|
$trk.css({zIndex:290});
|
|
}
|
|
/*}}}*/
|
|
function trackMove(e)/*{{{*/
|
|
{
|
|
onMove(mouseAbs(e));
|
|
};
|
|
/*}}}*/
|
|
function trackUp(e)/*{{{*/
|
|
{
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
if (btndown)
|
|
{
|
|
btndown = false;
|
|
|
|
onDone(mouseAbs(e));
|
|
options.onSelect(unscale(Coords.getFixed()));
|
|
toBack();
|
|
onMove = function() { };
|
|
onDone = function() { };
|
|
}
|
|
|
|
return false;
|
|
};
|
|
/*}}}*/
|
|
|
|
function activateHandlers(move,done)/* {{{ */
|
|
{
|
|
btndown = true;
|
|
onMove = move;
|
|
onDone = done;
|
|
toFront();
|
|
return false;
|
|
};
|
|
/* }}} */
|
|
|
|
function setCursor(t) { $trk.css('cursor',t); };
|
|
|
|
$img.before($trk);
|
|
return {
|
|
activateHandlers: activateHandlers,
|
|
setCursor: setCursor
|
|
};
|
|
}();
|
|
/*}}}*/
|
|
var KeyManager = function()/*{{{*/
|
|
{
|
|
var $keymgr = $('<input type="radio" />')
|
|
.css({ position: 'absolute', left: '-30px' })
|
|
.keydown(parseKey)
|
|
.keyup(watchShift)
|
|
.blur(onBlur),
|
|
|
|
$keywrap = $('<div />')
|
|
.css({
|
|
position: 'absolute',
|
|
overflow: 'hidden'
|
|
})
|
|
.append($keymgr)
|
|
;
|
|
|
|
function watchKeys()/*{{{*/
|
|
{
|
|
if (options.keySupport)
|
|
{
|
|
$keymgr.show();
|
|
$keymgr.focus();
|
|
}
|
|
};
|
|
/*}}}*/
|
|
function onBlur(e)/*{{{*/
|
|
{
|
|
$keymgr.hide();
|
|
};
|
|
/*}}}*/
|
|
function watchShift(e)/*{{{*/
|
|
{
|
|
if (!options.watchShift) return;
|
|
var init_shift = shift_down, fc;
|
|
shift_down = e.shiftKey ? true : false;
|
|
|
|
if (init_shift != shift_down) {
|
|
if (shift_down && btndown) {
|
|
fc = Coords.getFixed();
|
|
aspectLock = fc.w / fc.h;
|
|
} else aspectLock = 0;
|
|
Selection.update();
|
|
}
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
return false;
|
|
};
|
|
/*}}}*/
|
|
function doNudge(e,x,y)/*{{{*/
|
|
{
|
|
Coords.moveOffset([x,y]);
|
|
Selection.updateVisible();
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
};
|
|
/*}}}*/
|
|
function parseKey(e)/*{{{*/
|
|
{
|
|
if (e.ctrlKey) return true;
|
|
watchShift(e);
|
|
var nudge = shift_down ? 10 : 1;
|
|
switch(e.keyCode)
|
|
{
|
|
case 37: doNudge(e,-nudge,0); break;
|
|
case 39: doNudge(e,nudge,0); break;
|
|
case 38: doNudge(e,0,-nudge); break;
|
|
case 40: doNudge(e,0,nudge); break;
|
|
|
|
case 27: Selection.release(); break;
|
|
|
|
case 9: return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
/*}}}*/
|
|
|
|
if (options.keySupport) $keywrap.insertBefore($img);
|
|
return {
|
|
watchKeys: watchKeys
|
|
};
|
|
}();
|
|
/*}}}*/
|
|
|
|
// }}}
|
|
// Internal Methods {{{
|
|
|
|
function px(n) { return '' + parseInt(n) + 'px'; };
|
|
function pct(n) { return '' + parseInt(n) + '%'; };
|
|
function cssClass(cl) { return options.baseClass + '-' + cl; };
|
|
function getPos(obj)/*{{{*/
|
|
{
|
|
// Updated in v0.9.4 to use built-in dimensions plugin
|
|
var pos = $(obj).offset();
|
|
return [ pos.left, pos.top ];
|
|
};
|
|
/*}}}*/
|
|
function mouseAbs(e)/*{{{*/
|
|
{
|
|
return [ (e.pageX - docOffset[0]), (e.pageY - docOffset[1]) ];
|
|
};
|
|
/*}}}*/
|
|
function myCursor(type)/*{{{*/
|
|
{
|
|
if (type != lastcurs)
|
|
{
|
|
Tracker.setCursor(type);
|
|
//Handles.xsetCursor(type);
|
|
lastcurs = type;
|
|
}
|
|
};
|
|
/*}}}*/
|
|
function startDragMode(mode,pos)/*{{{*/
|
|
{
|
|
docOffset = getPos(obj);
|
|
Tracker.setCursor(mode=='move'?mode:mode+'-resize');
|
|
|
|
if (mode == 'move')
|
|
return Tracker.activateHandlers(createMover(pos), doneSelect);
|
|
|
|
var fc = Coords.getFixed();
|
|
Coords.setPressed(Coords.getCorner(oppLockCorner(mode)));
|
|
Tracker.activateHandlers(dragmodeHandler(mode,fc),doneSelect);
|
|
};
|
|
/*}}}*/
|
|
function dragmodeHandler(mode,f)/*{{{*/
|
|
{
|
|
return function(pos) {
|
|
if (!options.aspectRatio && !aspectLock) switch(mode)
|
|
{
|
|
case 'e': pos[1] = f.y2; break;
|
|
case 'w': pos[1] = f.y2; break;
|
|
case 'n': pos[0] = f.x2; break;
|
|
case 's': pos[0] = f.x2; break;
|
|
}
|
|
else switch(mode)
|
|
{
|
|
case 'e': pos[1] = f.y+1; break;
|
|
case 'w': pos[1] = f.y+1; break;
|
|
case 'n': pos[0] = f.x+1; break;
|
|
case 's': pos[0] = f.x+1; break;
|
|
}
|
|
Coords.setCurrent(pos);
|
|
Selection.update();
|
|
};
|
|
};
|
|
/*}}}*/
|
|
function createMover(pos)/*{{{*/
|
|
{
|
|
var lloc = pos;
|
|
KeyManager.watchKeys();
|
|
|
|
return function(pos)
|
|
{
|
|
Coords.moveOffset([pos[0] - lloc[0], pos[1] - lloc[1]]);
|
|
lloc = pos;
|
|
|
|
Selection.update();
|
|
};
|
|
};
|
|
/*}}}*/
|
|
function oppLockCorner(ord)/*{{{*/
|
|
{
|
|
switch(ord)
|
|
{
|
|
case 'n': return 'sw';
|
|
case 's': return 'nw';
|
|
case 'e': return 'nw';
|
|
case 'w': return 'ne';
|
|
case 'ne': return 'sw';
|
|
case 'nw': return 'se';
|
|
case 'se': return 'nw';
|
|
case 'sw': return 'ne';
|
|
};
|
|
};
|
|
/*}}}*/
|
|
function createDragger(ord)/*{{{*/
|
|
{
|
|
return function(e) {
|
|
btndown = true;
|
|
startDragMode(ord,mouseAbs(e));
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
return false;
|
|
};
|
|
};
|
|
/*}}}*/
|
|
function presize($obj,w,h)/*{{{*/
|
|
{
|
|
var nw = $obj.width(), nh = $obj.height();
|
|
if ((nw > w) && w > 0)
|
|
{
|
|
nw = w;
|
|
nh = (w/$obj.width()) * $obj.height();
|
|
}
|
|
if ((nh > h) && h > 0)
|
|
{
|
|
nh = h;
|
|
nw = (h/$obj.height()) * $obj.width();
|
|
}
|
|
xscale = $obj.width() / nw;
|
|
yscale = $obj.height() / nh;
|
|
$obj.width(nw).height(nh);
|
|
};
|
|
/*}}}*/
|
|
function unscale(c)/*{{{*/
|
|
{
|
|
return {
|
|
x: parseInt(c.x * xscale), y: parseInt(c.y * yscale),
|
|
x2: parseInt(c.x2 * xscale), y2: parseInt(c.y2 * yscale),
|
|
w: parseInt(c.w * xscale), h: parseInt(c.h * yscale)
|
|
};
|
|
};
|
|
/*}}}*/
|
|
function doneSelect(pos)/*{{{*/
|
|
{
|
|
var c = Coords.getFixed();
|
|
if (c.w > options.minSelect[0] && c.h > options.minSelect[1])
|
|
{
|
|
Selection.enableHandles();
|
|
Selection.done();
|
|
}
|
|
else
|
|
{
|
|
Selection.release();
|
|
}
|
|
Tracker.setCursor('crosshair');
|
|
};
|
|
/*}}}*/
|
|
function newSelection(e)/*{{{*/
|
|
{
|
|
btndown = true;
|
|
docOffset = getPos(obj);
|
|
Selection.release();
|
|
Selection.disableHandles();
|
|
myCursor('crosshair');
|
|
Coords.setPressed(mouseAbs(e));
|
|
Tracker.activateHandlers(selectDrag,doneSelect);
|
|
KeyManager.watchKeys();
|
|
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
return false;
|
|
};
|
|
/*}}}*/
|
|
function selectDrag(pos)/*{{{*/
|
|
{
|
|
Coords.setCurrent(pos);
|
|
Selection.update();
|
|
|
|
};
|
|
/*}}}*/
|
|
|
|
// }}}
|
|
// Public API {{{
|
|
|
|
function animateTo(a)/*{{{*/
|
|
{
|
|
var x1 = a[0],
|
|
y1 = a[1],
|
|
x2 = a[2],
|
|
y2 = a[3];
|
|
|
|
if (animating) return;
|
|
var animto = Coords.flipCoords(x1,y1,x2,y2);
|
|
var c = Coords.getFixed();
|
|
var animat = initcr = [ c.x, c.y, c.x2, c.y2 ];
|
|
var interv = options.animationDelay;
|
|
//var ix1 = (animto[0] - initcr[0]) / steps;
|
|
//var iy1 = (animto[1] - initcr[1]) / steps;
|
|
//var ix2 = (animto[2] - initcr[2]) / steps;
|
|
//var iy2 = (animto[3] - initcr[3]) / steps;
|
|
|
|
var x = animat[0];
|
|
var y = animat[1];
|
|
var x2 = animat[2];
|
|
var y2 = animat[3];
|
|
var ix1 = animto[0] - initcr[0];
|
|
var iy1 = animto[1] - initcr[1];
|
|
var ix2 = animto[2] - initcr[2];
|
|
var iy2 = animto[3] - initcr[3];
|
|
var pcent = 0;
|
|
var velocity = options.swingSpeed;
|
|
|
|
Selection.animMode(true);
|
|
|
|
var animator = function()
|
|
{
|
|
return function()
|
|
{
|
|
pcent += (100 - pcent) / velocity;
|
|
|
|
animat[0] = x + ((pcent / 100) * ix1);
|
|
animat[1] = y + ((pcent / 100) * iy1);
|
|
animat[2] = x2 + ((pcent / 100) * ix2);
|
|
animat[3] = y2 + ((pcent / 100) * iy2);
|
|
|
|
if (pcent < 100) animateStart();
|
|
else Selection.done();
|
|
|
|
if (pcent >= 99.8) pcent = 100;
|
|
|
|
setSelect(animat);
|
|
};
|
|
}();
|
|
|
|
function animateStart()
|
|
{ window.setTimeout(animator,interv); };
|
|
|
|
animateStart();
|
|
|
|
};
|
|
/*}}}*/
|
|
function setSelect(l) /*{{{*/
|
|
{
|
|
Coords.setPressed([l[0],l[1]]);
|
|
Coords.setCurrent([l[2],l[3]]);
|
|
Selection.update();
|
|
};
|
|
/*}}}*/
|
|
function setOptions(opt)/*{{{*/
|
|
{
|
|
if (typeof(opt) != 'object') opt = { };
|
|
options = $.extend(options,opt);
|
|
|
|
if (typeof(options.onChange)!=='function')
|
|
options.onChange = function() { };
|
|
|
|
if (typeof(options.onSelect)!=='function')
|
|
options.onSelect = function() { };
|
|
};
|
|
/*}}}*/
|
|
function tellSelect()/*{{{*/
|
|
{
|
|
return unscale(Coords.getFixed());
|
|
};
|
|
/*}}}*/
|
|
function tellScaled()/*{{{*/
|
|
{
|
|
return Coords.getFixed();
|
|
};
|
|
/*}}}*/
|
|
function setOptionsNew(opt)/*{{{*/
|
|
{
|
|
setOptions(opt);
|
|
|
|
if ('setSelect' in opt) {
|
|
setSelect(opt.setSelect);
|
|
Selection.done();
|
|
}
|
|
};
|
|
/*}}}*/
|
|
|
|
if (typeof(opt) != 'object') opt = { };
|
|
if ('setSelect' in opt) { setSelect(opt.setSelect); Selection.done(); }
|
|
|
|
// }}}
|
|
|
|
var xlimit = options.maxSize[0] || 0;
|
|
var ylimit = options.maxSize[1] || 0;
|
|
var xmin = options.minSize[0] || 0;
|
|
var ymin = options.minSize[1] || 0;
|
|
|
|
Tracker.setCursor('crosshair');
|
|
|
|
return {
|
|
animateTo: animateTo,
|
|
setSelect: setSelect,
|
|
setOptions: setOptionsNew,
|
|
tellSelect: tellSelect,
|
|
tellScaled: tellScaled
|
|
};
|
|
};
|
|
|
|
|
|
$.fn.Jcrop = function(options)/*{{{*/
|
|
{
|
|
function attachWhenDone(from)/*{{{*/
|
|
{
|
|
var loadsrc = options.useImg || from.src;
|
|
var img = new Image();
|
|
var from = from;
|
|
img.onload = function() {
|
|
$(from).hide().after(img);
|
|
from.Jcrop = $.Jcrop(img,options);
|
|
};
|
|
img.src = loadsrc;
|
|
};
|
|
/*}}}*/
|
|
if (typeof(options) !== 'object') options = { };
|
|
|
|
// Iterate over each object, attach Jcrop
|
|
this.each(function()
|
|
{
|
|
// If we've already attached to this object
|
|
if ('Jcrop' in this)
|
|
{
|
|
// The API can be requested this way (undocumented)
|
|
if (options == 'api') return this.Jcrop;
|
|
// Otherwise, we just reset the options...
|
|
else this.Jcrop.setOptions(options);
|
|
}
|
|
// If we haven't been attached, preload and attach
|
|
else attachWhenDone(this);
|
|
});
|
|
|
|
// Return "this" so we're chainable a la jQuery plugin-style!
|
|
return this;
|
|
};
|
|
})(jQuery);
|
|
/*}}}*/ |