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Persistent Image Processing

Terakhir diperbarui:2024-06-25 10:53:13

    Overview

    COS has integrated Cloud Infinite (CI), a one-stop professional multimedia solution that offers the image processing features outlined below. For more information, see Image Processing Overview.
    Service
    Feature
    Description
    Basic Image Processing
    Proportional scaling, scaling image to target width and height, and more
    Cut (regular cropping), crop (scaling and cropping), iradius (inscribed circle cropping), and scrop (smart cropping)
    Adaptive rotation and common rotation
    Format conversion, GIF optimization, and progressive display
    Changes the quality of images in JPG and WEBP formats
    Blurs images
    Sharpens images
    Watermarking
    Obtaining image information
    Includes EXIF data
    Performs quick format conversion, scaling, and cropping to generate thumbnails
    Sets image styles to easily manage images for different purposes
    

    SDK API References

    For the parameters and method descriptions of all the APIs in the SDK, see SDK API Reference.

    Processing Image Upon Upload

    The following example shows how to automatically process an image when you upload it to COS.
    When the image is uploaded successfully, COS will save both the original and the processed images. You can later obtain the processing results using a general download request.

    Sample code

    List<PicOperationRule> rules = new LinkedList<>();
    // Add a rule to convert the image to PNG format, and the processed image will be saved in a bucket with a location identifier in the format:
    // examplepngobject
    rules.add(new PicOperationRule("examplepngobject", "imageView2/format/png"));
    PicOperations picOperations = new PicOperations(true, rules);
    
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, cosPath, srcPath);
    putObjectRequest.setPicOperations(picOperations);
    
    // If the upload is successful, you will get two images: the original and the processed images
    COSXMLUploadTask cosxmlUploadTask = transferManager.upload(putObjectRequest, uploadId);
    Note:
    For more samples, go to GitHub.
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