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摘 要
Web2.0带来的丰富互联网技术让所有人都享受到了技术发展和体验进步的乐趣而作为下一代互联网标准HTML5自然也是备受期待和瞩目。HTML5是近十年来Web开发标准巨大的飞跃。和以前的版本不同,HTML5并非仅仅用来表示Web内容,它的新使命是将Web带入一个成熟的应用平台,在HTML5平台上,视频、音频、图象、动画,以及同电脑的交互都被标准化。现阶段对于HTML5技术的研发和开发工作主要集中在技术草案的确立与新互联网应用的开发上,而随着互联网的发展,HTML标准也在不断变化,HTML标准已经走过第4代了因为它能够用简单的标签元素代替属性能实现之前需要用很多复杂JavaScript代码才能有实现的功能,HTML5越来越受到欢迎
HTML5带来很多令人激动的新特性,这在之前的HTML中是不可见到的。其中一个最值得提及的特性就是用于绘画的 HTML Canvas,可以对2D或位图进行动态、脚本的渲染。本文详细分析了HTML5技术的简介和发展前景,并深入探讨了HTML引入的核心标签Canvas元素,介绍了Canvas可以实现的主要功能,在此基础上实现了部分类似Windows画图板的功能,包括铅笔、图章仿制、画直线、圆、矩形、橡皮擦、背景图、取色板、插入文字等功能,在实现过程中也利用了最新的CSS3技术最后再次总结了这次毕设的经验和对未来的展望。
本文针对其引入的Canvas绘图元素进行了深入的研究此元素可以替代画图作为动画渲染的工具效率与安全性更高,开发更便捷,必将是以后的动画,游戏等应用首选的开发方式,前景非常好
【关键词】W2.0 HTML5 CSS3 Canvas
ABSTRACT
Web2.0 brings a wealth of Internet technology for all to enjoy the fun of technology development and experience progress. As a next-generation Internet standard, HTML5 is naturally highly anticipated and attention. HTML5 is a huge leap over the past decade Web development standards. Unlike the previous version,HTML5 is not just used to represent Web content, its new mission is the Web into a full-fledged application platform, HTML5 platform, video, audio, image, animation, and interaction with the computer be standardized. At this stage for the HTML5 technology and development work focused on the establishment of the draft technology and new Internet application development, HTML standards are changing with the development of the Internet, HTML standard has gone through four generations, because it simple label elements, instead of before the property can be realized with a lot of complex JavaScript code in order to achieve the functions, HTML5 has been more popular.
HTML5 brings a lot of exciting new features. This is not seen in the previous HTML. One of the most worth mentioning the characteristics is HTML Canvas for painting, 2D or bitmap rendering of dynamic script. I detailed analysis th