变换控件样式

你可以调整 Konva.Transformer 控件的样式，像控制锚点的描边、大小、填充色等等。同时也可以调整边框的描边颜色和宽度。

Konva Shape transform and selection styling Demoview raw

<!DOCTYPE html>
<html>
  <head>
    <!-- USE DEVELOPMENT VERSION -->
    <script src="https://unpkg.com/konva@4.0.18/konva.min.js"></script>
    <meta charset="utf-8" />
    <title>Konva Select and Transform Styling Demo</title>
    <style>
      body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #f0f0f0;
      }
    </style>
  </head>

  <body>
    <div id="container"></div>
    <script>
      var width = window.innerWidth;
      var height = window.innerHeight;

      var stage = new Konva.Stage({
        container: 'container',
        width: width,
        height: height
      });

      var layer = new Konva.Layer();
      stage.add(layer);

      var circle = new Konva.Circle({
        x: 150,
        y: 150,
        radius: 70,
        fill: 'red',
        draggable: true
      });
      layer.add(circle);

      // create new transformer
      var tr = new Konva.Transformer({
        anchorStroke: 'red',
        anchorFill: 'yellow',
        anchorSize: 20,
        borderStroke: 'green',
        borderDash: [3, 3]
      });
      layer.add(tr);
      tr.attachTo(circle);
      layer.draw();
    </script>
  </body>
</html>