case graphkind.circle://圆 console.log("确定图形绘制开始坐标点:"+e.offsetX+","+e.offsetY);//点击确定图形的开始坐标点 beginDrawing();//开始绘制 var p=new Point(e.offsetX,e.offsetY); setStartPoint(p); var circle= new Circle({'start':p}); setCuGraph(circle); break; case ctrlConf...
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log(limg.src); And in the console was the same. blasted. truncated. string. Here is my code: var lsvg = d3.select("#nowhere2").node().parentNode.innerHTML; console.log(lsvg); var limg = new Image; var lcontext = canl.getContext('2d'); limg.src = 'data:image/...
二、完整实现代码 DrawingTools =(function(){ //公共方法 var getDom=function(id){return document.getElementById(id)}; var isNull=function(s){return s==undefined||typeof(s)=='undefined'||s==null||s=='null'||s==''||s.length<1}; var hideDefRM=function(){document.oncontextmenu=func...
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项目维护于github:https://github.com/eguid/graffitiCanvas 一、实现的功能 1、基于oop思想构建,支持坐标点、线条(由坐标点组成,包含方向)、多边形(由多个坐标点组成)、圆形(包含圆心坐标点和半径)等实体 2、原生JavaScript实现,不依赖任何第三方js库和插件 ...
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resolved "https://mirrors.tencent.com/npm/@algolia/cache-in-memory/-/cache-in-memory-4.22.1.tgz" integrity sha512-ve+6Ac2LhwpufuWavM/aHjLoNz/Z/sYSgNIXsinGofWOysPilQZPUetqLj8vbvi+DHZZaYSEP9H5SRVXnpsNNw== dependencies: "@algolia/cache-common" "4.22.1" "...
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console.log("选择:"+ctrlConfig.kind); //设置起始点 switch(ctrlConfig.kind){ case graphkind.pen://画笔(不松开鼠标按键一直画) beginDrawing();//开始绘制 cxt.beginPath(); cxt.moveTo(e.offsetX,e.offsetY); break; case graphkind.poly://多边形 ...