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我目前使用David Lynch的maphighlight jquery插件。同时使用maphilight jquery插件保持两种颜色
链接 - http://davidlynch.org/projects/maphilight/docs/
我想有一个形象的地图上同时上两种不同的颜色，与AlwaysOn的功能设置为true。
我附上了我的代码片段。 其主要特点是：
1）悬停的默认高光是绿色，当你双击图像，颜色变为红色。 2）一旦你选择你的颜色，你左键单击，按住mousedown并拖动多个图像区域以突出显示它们。
3）您也可以点击已经突出显示的区域来删除突出显示。
我非常需要的一个附加功能是：单击并拖动并突出显示多个区域后。当我双击（改变高光悬停颜色）时，我希望已经高亮显示的区域保持原样并且不会改变颜色。
目前的问题是当我双击所有突出显示的区域改变颜色。
任何有关这方面的帮助将非常感谢！
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js">
</script>
<script type="text/javascript" src="http://davidlynch.org/projects/maphilight/jquery.maphilight.js">
</script>
<script type = "text/javascript">
var click_flag = 1; //changes value each time a click is made
var loop_control = 1; // is a flag to run only one click loop at a time
var down = false;
// setting mouse hover default colours
$(document).ready(function(){
\t $('.mapHighLight').maphilight({
\t \t fillColor: '00ff00', strokeColor:'000000'
\t });
// function to change colour \t
\t $('area').dblclick(function(e){
\t \t if(click_flag == 1 && loop_control == 1){
\t \t \t $('.mapHighLight').maphilight({
\t \t \t fillColor: 'ff0000', strokeColor:'000000' // red
\t \t \t }); \t
\t \t click_flag = 0;
\t \t //alert("1st loop "+ ":click_flag = "+click_flag+" and loop_control = "+loop_control);
\t \t }
\t }); \t
\t
\t
\t $('area').dblclick(function(e){
\t \t if(click_flag == 0 && loop_control == 0){
\t \t \t $('.mapHighLight').maphilight({
\t \t \t fillColor: '00ff00', strokeColor:'000000' //green
\t \t \t });
\t \t click_flag = 1;
\t \t //alert("2nd loop "+ ":click_flag = "+click_flag+" and loop_control = "+loop_control);
\t \t }
\t });
\t
// this section is set the correct flag values at the right time. \t \t \t \t
\t function status_change(){ \t \t \t \t \t
\t \t if(click_flag == 1){loop_control = 1}; \t \t \t
\t \t if(click_flag == 0){loop_control = 0};
\t \t //alert("3rd loop "+ ":click_flag = "+click_flag+" and loop_control = "+loop_control) \t
\t }
// the delay is to make this code run in the end, to ensure proper change of values. \t \t
\t $('area').dblclick(function(e){
\t \t setTimeout(status_change,500);
\t }); \t \t \t \t \t \t \t \t
\t
\t
// this function is for mouse hold
$('area').bind({ \t \t \t \t \t
\t \t mousedown : function(e){
\t \t \t down = true;
\t \t },
\t \t mousemove : function(e){
\t \t \t if(down){
\t \t \t \t var data = $(this).data('maphilight') || {};
\t \t \t \t data.alwaysOn = true;
\t \t \t \t $(this).data('maphilight', data).trigger('alwaysOn.maphilight');
\t \t \t }
\t \t },
\t \t mouseup : function(e){
\t \t \t down = false;
\t \t }
\t });
//This block is to turn off "alwaysOn" feature of maphilight plugin \t
\t $("area").click(function(e){
\t \t var data = $(this).data('maphilight') || {};
\t \t data.alwaysOn = false;//!data.alwaysOn;
\t \t $(this).data('maphilight', data).trigger('alwaysOn.maphilight');
\t });
}); \t
</script><script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<img class = "mapHighLight " src = "http://www.goldhillcoldtouch.co.uk/wp-content/uploads/dermatome_torso1.png" alt = "dermatomeUpperbodyFront" usemap = "#upper1">
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