支持平台：iOS运行环境：iOS开发语言：Object-c开发工具：Xcode源代码大小：166.12KB源代码下载地址：http://down.51cto.com/data/1975550源代码介绍实现自定义绘图功能，可以动态选择画笔的颜色，线条的粗细等源码运行截图效果图源码片段-(id)initWithFrame:(CGRect)frameafterToolColor:(ToolColorBlock)toolcolor{_toolColorBlock=toolcolor;self=[superinitWithFrame:frame];if(self){self.backgroundColor=[UIColorlightGrayColor];_colorArray=[NSArrayarray];NSArray*array=@[[UIColordarkGrayColor]、[UIColorredColor]、[UIColorgreenColor]、[UIColorblueColor]、[UIColoryellowColor],[UIColororangeColor],[UIColorpurpleColor],[UIColorbrownColor],[UIColorblackColor]];_colorArray=数组;[selfcreatColorButtons:array];}returnsself;}-(void)creatColorButtons:(NSArray*)array{NSIntegercount=array.count;CGFloatbuttonW=(self.bounds.size.width-(array.count+1)*kButtonSpace)/count;CGFloatbuttonH=self.bounds.size.height;for(NSIntegeri=0;i
