HTML存為圖片的Java類庫：Html2Image

Html2Image 是一個 Java 類庫用于將 HTML標記存為 GIF\PNG 和 JPG 圖片，并通過HTML的<map> 標簽展示該圖片。

使用案例：

• Programmatically compose images - Use case: You need to compose images from other images and texts.
• Solution - Create a web page using plain HTML, CSS and image and use Html2Image to convert it to an image.

• Improve your spam - Use case: You need to send decorative HTML email.
• You craft your HTML using CSS, images and links.
• Alas, your clients open their Outlook, Gmail or any other mail client mailbox, and find your mail all scrambled up (merely resembles the presentation of the same HTML in a browser).
• That's because Outlook and other clients only support limited functionality of HTML and have different implementations and bugs.
• Solution - Use Html2Image to convert your original mail's HTML to a new HTML containing only image (<img/>) and client-side image-map (<map/>) for the links in the original HTML.
• This also allow you to easily use unique fonts in your mail.

• Prevent spamming - Use case: Your website has a list of contacts and their email addresses.
• The email addresses are in plain text, allowing robots and spiders to harvest these addresses and spam your team with Viagra ads.
• Solution - Use Html2Image to convert those email addresses to images.

示例代碼：

HtmlImageGenerator imageGenerator = new HtmlImageGenerator();
imageGenerator.loadHtml("<b>Hello World!</b> Please goto <a title=\"Goto Google\" href=\"http://www.google.com\">Google</a>.");
imageGenerator.saveAsImage("hello-world.png");
imageGenerator.saveAsHtmlWithMap("hello-world.html", "hello-world.png");

項目主頁：http://www.baiduhome.net/lib/view/home/1350864881680