html - 我可以在这个复杂的不规则形状链接上使用 CSS 悬停吗

Question

我已经研究了很多可能的解决方案，但仍然没有找到有效的解决方案。我正在尝试使用 CSS 让我的链接在悬停时发光

我尝试使用矩形的每个版本来包含我的图像以链接它们，但有些非常小并且会重叠。有没有办法将多边形坐标合并到 CSS 中？我认为我的主要问题是悬停时发光的 css 代码要求按宽度和 hgt px 确定链接大小。但是我的 html 链接是不规则形状的 x 和 y 多边形坐标

这是我尝试悬停的 CSS 之一，但不确定在宽度/高度区域中放置什么(如果不是 x 和 y 坐标)？

/* wiki image glow */
.wikiimageglow 
{ 
    margin-bottom: 10px; 
    width: px; 
    height:px; 
    display:block; 
    background:transparent url('http://cdn.obsidianportal.com/assets/199195/weird4.jpg') center top no-repeat; 
 }

.wikiimageglow:hover 
{ 
    background-image: url('http://cdn.obsidianportal.com/assets/199539/character.jpg');     
}

这是链接

<img src="http://cdn.obsidianportal.com/assets/199195/weird4.jpg" width="654" height="690" border="0" usemap="#Map" />
<map name="Map" id="Map">
    <area shape="poly" coords="351,81,386,317,335,295,302,215" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/game-master-information" />
    <area shape="poly" coords="567,202,405,376,390,321,435,243" href="http://www.obsidianportal.com/campaigns/runelords-of-lord-ao/items" />
    <area shape="poly" coords="368,426,403,379,491,365,608,445" href="http://www.obsidianportal.com/campaigns/runelords-of-lord-ao/characters" />
    <area shape="poly" coords="308,430,364,427,430,489,443,628" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/critical-hits-and-misses" />
    <area shape="poly" coords="268,383,305,428,296,514,195,616" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/character-creation" />
    <area shape="poly" coords="279,323,270,378,198,431,53,412" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/adventure-log" />
    <area shape="poly" coords="126,173,332,296,281,321,197,298" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/geography" />
    <area shape="poly" coords="145,530,151,485,199,457,179,507" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/pride" />
    <area shape="poly" coords="109,352,99,318,107,288,139,270,159,305,151,335" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/wrath" />
    <area shape="poly" coords="220,144,232,139,286,143,292,164,254,189,228,185" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/gluttony" />
    <area shape="poly" coords="432,142,463,142,480,152,461,174,415,211,414,174" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/greed" />
    <area shape="poly" coords="524,287,551,302,564,358,535,355" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/sloth" />
    <area shape="poly" coords="520,469,501,506,459,524,463,499,498,472" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/envy" />
    <area shape="poly" coords="323,522,343,562,337,594,328,606,307,578" href="http://www.obsidianportal.com/campaign/runelords-of-lord-ao/wikis/lust" />
</map>

Answer 1

我认为这不能只用 CSS 和 HTML 来解决。但是，我发现了这个不错的 jQuery 脚本。它使用您的 map 标记并创建 canvas 元素。

• Demo
• Source

Maphilight is a jQuery plugin that adds visual hilights to image maps.

It provides a single jQuery function: $('.foo').maphilight()

In IE VML is used. In other browsers canvas is used. Maphilight has been tested in Firefox, IE, Safari, Chrome, and Opera.

注意:此脚本在最新版本的 jQuery 中不起作用，但 jquery-migrate 修复了该问题。

这里是 JSFIDDLE