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SVG Compression

Last updated: 2024-02-18 10:36:35

    Overview

    Image compression is the process of downsizing an image as much as possible without sacrificing quality so that it can be stored at a lower cost and accessed more quickly.
    CI has launched the SVG compression feature, which can delete certain redundant information from an SVG file without compromising the display effect in order to downsize the file.

    Restrictions

    Format: Only SVG images can be used as the input.
    Size: The input image cannot be larger than 32 MB.

    Directions

    CI uses the imageMogr2 API to provide the SVG compression feature.
    An image can be processed:
    Upon download
    Upon upload
    In cloud
    Note:
    SVG compression is billed at image advanced compression prices. For detailed pricing, see Image Processing Fees.

    API Format

    1. Processing upon download

    GET /<ObjectKey>?imageMogr2/format/svgc HTTP/1.1
    Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
    Date: <GMT Date>
    Authorization: <Auth String>

    2. Processing upon upload

    PUT /<ObjectKey> HTTP/1.1
    Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
    Date: GMT Date
    Authorization: Auth String
    Pic-Operations: 
    {
    "is_pic_info": 1,
    "rules": [{
        "fileid": "exampleobject",
        "rule": "imageMogr2/format/svgc"
    }]
    }
    Note:
    Pic-Operations is a JSON string. Its parameters are as described in Persistent Image Processing.

    3. Processing in-cloud data

    POST /<ObjectKey>?image_process HTTP/1.1
    Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
    Date: GMT Date
    Content-length: Size
    Authorization: Auth String
    Pic-Operations: 
    {
    "is_pic_info": 1,
    "rules": [{
        "fileid": "exampleobject",
        "rule": "imageMogr2/format/svgc"
    }]
    }
    Note:
    Authorization: Auth String (See Request Signature for details.)
    When this feature is used by a sub-account, relevant permissions must be granted as instructed in Authorization Granularity Details.

    Parameters

    Parameter
    Description
    ObjectKey
    Object name, such as folder/sample.jpg.
    /format/<Format>
    Compression format, which is svgc here.
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