You can append the following URL parameters to an image URL to get the image.
#Image resize api how to
In this tutorial, we learned how to set up a node.js server-application from scratch and created a very basic image-resizer using the sharp-library. The profile picture and cover photos are returned by the People API as URLs. Surprisingly, the application does not even use close to 512MB there. On another machine with 2GB of RAM, everything works just fine. That being said, I suspect that there was a memory leak going on, too. Even with garbage-collection set to "rampage"-mode, the server would occasionally hit the memory limit.
Unfortunately, the machine had only 512MB of memory to work with. I had sharp running on Heroku for a while to serve the images on this blog. Secondly, image manipulation does cost some memory. The Transformation URL API Reference details every transformation. Especially if you are using a bundler like webpack, this leads to a lot of problems. Resize and crop your images to the required dimensions using different scaling and. You can also convert many image formats automatically, we currently support source images in these formats: GIF, ICO, JPEG, PNG, TIFF. This API uses a high-grade and adaptive image scaling algorithm and will preserve the aspect ratio of the original image. Because c++ needs to be compiled differently, depending on the platform you are on, you might run into trouble when switching them.įor example, if you are testing on windows but deploy to Linux. Resize an image and output as either JPEG or PNG. Available modifications are rotating, flipping (mirroring), resizing and cropping. And that is great, as it makes "sharp" blazing fast.īut this can also cause some problems. expo-image-manipulator provides an API to modify images stored on the. That means that there is c++ code running in the background.
Mainly there are two things you should know.įirst, "sharp" is a native nodej.js plugin. Feel free to test the URL we discussed above to verify that everything is working properly.īefore you go, I want to tell you about my experience with the "sharp" library. We have a fully function image-resize API.
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