java绘图功能函数详细学习（Java drawing function, detailed learning）.docVIP

下载本文档

35
0
约4.63千字
约 6页
2017-09-05 发布于河南
举报
版权申诉

java绘图功能函数详细学习（Java drawing function, detailed learning）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

java绘图功能函数详细学习（Java drawing function, detailed learning）

java绘图功能函数详细学习（Java drawing function, detailed learning） Drawing function of JAVA is very rich, including fonts, colors, graphics, drawing, we will be divided into technical topics in terms of the following. A JAVA drawing mechanism. A graphic JAVA component, small text box, label, to a FRAME, a DIALOG, there is a dedicated display function of its interface, the function name is fixed: paint, its prototype: public (Graphics g) {void paint...... } change whenever the component size, location, component content, the function is responsible for the generation of new graphical interface display. Because the function can be subclassed, therefore, inheriting subclasses have the ability to modify the function. If you do not have this function class, said its behavior is completely inherited from the parent class. No matter is the component is added with the new content, whether there is a change in size, whether the displacement occurred, the parent class must have a dedicated thread, to describe the change after the component interface is responsible for. The paint function is maintained automatically by the parent class and subclass, if once the overload of the function, have to maintain all the interface display. Two, set the pen color 1, the color of common sense Any color is of primary colors (RGB), support 224 color JAVA, namely red green blue component can range from 0..255. The first class of Color learning Color a JAVA in the constant: Public final static Color black=new Color (0,0,0); Public final static Color blue=new Color (0,0255); ... . The constructor of the Color: Public Color (int r, int g, int b); For example: if you want to use to construct a grey object in the following sentences: Color gray=new Color (205205205); 2, set the pen color grammar G.setColor (color); //color is a Color object Modified every time it is under the influence of color plot all, has affected the setColor function is met again with a new color instead of. 3, the use of JColorChoose