Chrome或Firefox等浏览器使用什么算法来缩放图像？

I have noticed that when I view a image in a browser using either the zoom provided in the setting or on a webpage using style attributes the pixelation is either negligible or un noticable. But when you use programs such as paint or photoshop or windows picture viewer you start to notice pixelation. Does anyone know how the browser zoom its image contents?I have noticed that when I view a image in a br