CanvasContext.setLineWidth

解释：设置线条的宽度。

方法参数

Number lineWidth

lineWidth参数说明 ：线条的宽度(单位是 px)

示例

在开发者工具中预览效果

扫码体验

CanvasContext.setLineWidth - 图1请使用百度APP扫码

图片示例

图片

代码示例

  1. const canvasContext = swan.createCanvasContext('myCanvas');
  2. canvasContext.beginPath();
  3. canvasContext.moveTo(30, 10);
  4. canvasContext.lineTo(200, 10);
  5. canvasContext.stroke();
  7. canvasContext.beginPath();
  8. canvasContext.setLineWidth(5);
  9. canvasContext.moveTo(50, 30);
  10. canvasContext.lineTo(200, 30);
  11. canvasContext.stroke();
  13. canvasContext.beginPath();
  14. canvasContext.setLineWidth(10);
  15. canvasContext.moveTo(70, 50);
  16. canvasContext.lineTo(200, 50);
  17. canvasContext.stroke();
  19. canvasContext.beginPath();
  20. canvasContext.setLineWidth(15);
  21. canvasContext.moveTo(90, 70);
  22. canvasContext.lineTo(200, 70);
  23. canvasContext.stroke();
  25. canvasContext.draw();