tailieunhanh - Web design creating cool web sites with html xhtml and css phần 5

Một yếu tố mát mẻ, bạn có thể thêm vào các trang web của bạn là GIF hoạt hình, mà là dựa trên tiền đề lật cuốn sách rất đơn giản: Một chuỗi các hình ảnh đồ họa với những thay đổi tinh tế giữa chúng có thể được quay vòng theo cách như vậy mà những hình ảnh xuất hiện để được hoạt hình . | Chapter 7 From Dull to Cool by Adding Graphics Animated GIF Images Another cool element you can add to your Web pages is animated GIFs which are based on the very simple flip-book premise A sequence of graphic images with subtle changes between them can be cycled in such a way that the images appear to be animated. That s how film works too. If you ve ever looked at an individual cel of a motion picture reel you know that it s a still image. Watch the still images at a sufficiently fast speed and you have the illusion of motion and life. Animated GIF images are available through a variety of sources particularly the clip-image archive packages and Web sites listed next but you can also create your own with some shareware animation packages. For the Macintosh I recommend GIFBuilder and for Windows I suggest you explore GIF Construction Set. Here are their homes on the Web GIFBuilder http dyn moreinfo macosx 10438 GIF Construction Set http alchemy Image-Mapped Graphics As you explore the Web on your own you might encounter sites that eschew mundane bulleted lists of links in favor of sexy all-encompassing graphics that lead you off in different directions. When you click a particular spot on the graphic the system knows where you clicked and links you to an appropriate Web page. You can perform this impressive trick by using image maps graphics that associate specific regions with different URLs. The modern cool way to create image maps is to use client-side image maps meaning that you include image-mapping information as part of the HTML document itself. A simple example consists of these parts the graphic image the HTML document that includes the image and the additional lines of HTML that turn the image into a client-side image map. For example I have a photograph of a toy truck that would make an interesting image map and the free Mac-based Taco HTML image map editor found at http www . can help me