[GitHub] juanChen11234 opened a new issue #8626: 设备像素比不等于1的时候，会出现模糊，特别文字模糊严重

[GitBox <gi...@apache.org>]

juanChen11234 opened a new issue #8626: 设备像素比不等于1的时候，会出现模糊，特别文字模糊严重
URL: https://github.com/apache/incubator-echarts/issues/8626
 
 
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   ### One-line summary [问题简述]
   设备像素比不等于1的时候，会出现模糊，特别文字模糊严重
   
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]:4.1.0
   + Browser version [浏览器类型和版本]:谷歌浏览器 66
   + OS Version [操作系统类型和版本]: win10
   
   ### 解决方法：
   dist/echarts.js 6785行的resize();
   /**
        * @param  {number} width
        * @param  {number} height
        */
       resize: function (width, height) {
           var dpr = this.dpr;
   
           var dom = this.dom;
           var domStyle = dom.style;
           var domBack = this.domBack;
   
           if (domStyle) {
               domStyle.width = width + 'px';
               domStyle.height = height + 'px';
           }
   
           // 设备像素比设配 ----------------------
           dom.style.width = width;
           dom.style.height = height;
          // ----------------------------------------
   
           dom.width = width * dpr;
           dom.height = height * dpr;
   
           if (domBack) {
               domBack.width = width * dpr;
               domBack.height = height * dpr;
   
               if (dpr != 1) {
                   this.ctxBack.scale(dpr, dpr);
               }
           }
       },
   
   
   
   ### Expected behaviour [期望结果]
   
   
   
   
   
   ### ECharts option [ECharts配置项]
   <!-- Copy and paste your 'echarts option' here. -->
   <!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
   ```javascript
   option = {
   
   }
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   
   

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