切边时，使用透明填充，防止在某些机型上出现黑线

2018-07-09 18:24:56 +08:00 · 2018-07-09 18:24:56 +08:00 · afe9cb1628
commit afe9cb1628
parent 5e9f28f45d
1 changed files with 1 additions and 1 deletions
--- a/lib/pen.js
+++ b/lib/pen.js
@ -75,7 +75,7 @@ export default class Painter {
  _doBorder(borderRadius, width, height) {
    if (borderRadius && width && height) {
      const r = Math.min(borderRadius.toPx(), width / 2, height / 2);
-
+      this.ctx.setFillStyle("rgba(0, 0, 0, 0)");
      this.ctx.beginPath();
      this.ctx.arc(-width / 2 + r, -height / 2 + r, r, 1 * Math.PI, 1.5 * Math.PI);
      this.ctx.lineTo(width / 2 - r, -height / 2);