如何在 python 中使用 pythonMagick 将图像适合固定大小的框
try:
original = PythonMagick.Blob(data)
image = PythonMagick.Image(original)
except Exception as e:
raise errors.UnknownFileFormat()
medium = PythonMagick.Blob()
small = PythonMagick.Blob()
large = PythonMagick.Blob()
largesize = "128X128"
mediumsize = "64X64"
smallsize = "48X48"
image.scale(largesize)
image.write(large)
image.scale(mediumsize)
image.write(medium)
image.scale(smallsize)
image.write(small)
现在，我需要创建每个尺寸的基本图像并将这些图像叠加在其上。这样，当我在具有固定宽度和高度的 img 标签中显示显示时，浏览器不会拉伸它们。缺乏文档让我很恼火。
try:
original = PythonMagick.Blob(data)
image = PythonMagick.Image(original)
except Exception as e:
raise errors.UnknownFileFormat()
medium = PythonMagick.Blob()
small = PythonMagick.Blob()
large = PythonMagick.Blob()
largesize = "128X128"
mediumsize = "64X64"
smallsize = "48X48"
image.scale(largesize)
image.write(large)
image.scale(mediumsize)
image.write(medium)
image.scale(smallsize)
image.write(small)
Now, what I need is to create a base image of each of the sizes and overlay these images on top of it. So that when I show display in an img tag with fixed width and height, the browser does not stretch them. The lack of documentation is aggravating me.
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您可能可以通过
background-size:cover或background-size:contain和background-position:... 来实现您在 CSS 中尝试执行的操作；。如果尝试做其他事情可能会更复杂。You can probably achieve what you are trying to do in CSS by
background-size:coverorbackground-size:containandbackground-position:...;. May be more complicated if trying to do other things.