【正文】 GIF圖像到瀏覽器。 if not, you39。s not really animation. While the World Wide Web Consortium squandered most of the 1990s considering some proper animation technologies, Macromedia just went for it. The result was Flash, a system of playing back selfcontained movies containing vectorbased graphics and text within a Web page or independently running in a Web browser. The advantages of the Flash approach are considerable, and getting more pelling as time goes on. In the first instance, the vector nature of Flash movies allows you to include quite plex graphics and sequences in the confidence that they39。t bad enough having to make all your static graphics 72dpi, any attempt at animation involves considerable cramming effort. What this means, at least until large screens and fast Inter connections bee the norm, is you can39。t an officially recognised standard because well over 90 per cent of Inter users already have the plugin installed: we39。它是小小的屏幕 ,窄帶寬和不確定性 ,所以你的大量的觀眾可能無(wú)法了解你想要他們看見的東西。 gif是位圖圖像 ,那么就快來(lái)在一個(gè)固定的無(wú)論瀏覽器窗口大小的尺寸。不容忽視的是 ,Flash可以包括嵌入式音頻。 不可避免的是 ,每個(gè)人都在尋找網(wǎng)頁(yè)動(dòng)畫系統(tǒng) ,并不希望觀眾定位和安裝第三方插件。像往常一樣 ,也 有缺點(diǎn)。雖然 Adobe Illustrator有希望有一天 ,SVG將支持建成所有瀏覽器 ,對(duì)于在不久的將來(lái)它涉及到下載超過(guò) 2Mb。另一個(gè)解決方法的例案 ,不需要插件是 CyberSpot。目前有兩種主要的弊端 ,以 Flash的格式。他們也傾向于出現(xiàn)在一個(gè)簡(jiǎn)單的下載程序 ,留下用戶盯著表面上無(wú)法說(shuō)明的順序運(yùn)行在一個(gè)參照系 ,每 5秒鐘第一回。而如果它還沒(méi)有足夠壞到要讓所有的靜態(tài)圖形 72dpi,任何一個(gè)動(dòng)畫需要精心的臨時(shí)抱佛腳的努力。s not a plete multimedia environment. Originally, Flash arose from a project at Macromedia to make Shockwave animations, already developed for Web playback, even more pact and accessible by people with slow modems. Shockwave is still very much alive and well, and in many cases leaves Flash way behind in terms of visual quality, interactivity and multifunctionality. There39。s terrible. Thankfully, you still have a range of choices when it es to graphics animation. So, let39。s summarise them anyway. GIFs are bitmap images, so e at a fixed size regardless of browser window size. They can reach quite exciting sizes if they include more than 10 frames or so, because pression is based on the number of different colours in each image. They also tend to appear in a jerky fashion during the download, leaving the user staring at a seemingly inexplicable sequence running at one frame every five seconds the first time round. More recently, designers have been able to produce basic path motion for static images using DHTML. Instead of running an animation in one fixed place, DHTML techniques let you take a single image and move it around over the top of your page as an independent, floating object. The nice thing about this approach is that the animation, for what it is, starts almos