CSS显示图像调整大小和裁剪

I want to show an image from an URL with a certain width and height even if it has a different size ratio. So I want to resize (maintaining the ratio) and then cut the image to the size I want. I can resize with html img property and I can cut with background-image. How can I do both? Example: This image: Has the size 800x600 pixels and I want to show like an image of 200x100 pixels With img I can resize the image 200x150px: <img style="width: 200px; height: 150px;" src="http://i.stack.imgur.com/wPh0S.jpg"> That gives me this: <img style="width: 200px; height: 150px;" src="https://i.stack.imgur.com/wPh0S.jpg"> And with background-image I can cut the image 200x100 pixels. <div style="background-image: url('https://i.stack.imgur.com/wPh0S.jpg'); width:200px; height:100px; background-position:center;"> </div> Gives me: <div style="background-image:url('https://i.stack.imgur.com/wPh0S.jpg'); width:200px; height:100px; background-position:center;"> </div> How can I do both? Resize the image and then cut it the size I want?

当前回答

如果你正在使用Bootstrap，尝试使用{background-size: cover; }对于<div>可能给div一个类说<div class="example" style=url('../your_image.jpeg');>所以它变成 div.example { background-size:封面}

2016-06-14 19:32:37

其他回答

.imgContainer {
  overflow: hidden;
  width: 200px;
  height: 100px;
}
.imgContainer img {
  width: 200px;
  height: 120px;
}

<div class="imgContainer">
  <img src="imageSrc" />
</div>

包含的div本质上是通过隐藏溢出来裁剪图像。

2009-01-29 20:44:51

我所做的是创建一个服务器端脚本，它将在服务器端调整大小和裁剪图片，这样它就会在互联网上发送更少的数据。

它相当简单，但如果有人感兴趣，我可以挖掘并发布代码(asp.net)

2009-01-29 20:46:05

在裁剪类中，放置你想要显示的图像大小:

.crop {
    width: 282px;
    height: 282px;
    overflow: hidden;
}
.crop span.img {
    background-position: center;
    background-size: cover;
    height: 282px;
    display: block;
}

html看起来像这样:

<div class="crop">
    <span class="img" style="background-image:url('http://url.to.image/image.jpg');"></span>
</div>

2015-05-25 19:52:03

你试过用这个吗?

.centered-and-cropped { object-fit: cover }

我需要调整图像的大小，中心(垂直和水平)，然后裁剪它。

我很高兴地发现，它可以在一个css行中完成。在这里查看示例:http://codepen.io/chrisnager/pen/azWWgr/?editors=110

下面是这个例子的CSS和HTMLcode:

.居中剪裁{对象合身:封面} <标题>原始h1 > < / <img height="200" src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/3174/bear.jpg" alt="熊"> <标题> object-fit:封面h1 > < / <img class="center -and-裁剪" width="200" height="200" style="border-radius:50%" src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/3174/bear.jpg" alt="熊">

2015-05-10 10:14:06

img {
  position: absolute;
  clip: rect(0px, 140px, 140px, 0px);
}

<img src="w3css.gif" width="100" height="140" />

2014-03-12 06:38:49

CSS显示图像调整大小和裁剪

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