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Grayscale Image

Last updated: 2024-06-12 15:20:05

    Overview

    COS uses CI’s imageMogr2/grayscale API to set an image to be a grayscale image.

    API Format

    download_url?imageMogr2/grayscale/<value>

    Parameters

    Operation: grayscale
    Parameter
    Description
    download_url
    URL of the input image, formatted as &lt;BucketName-APPID>.cos.&lt;Region>.myqcloud.com/&lt;picture name>
    Example: examplebucket-1250000000.cos.ap-shanghai.myqcloud.com/picture.jpeg
    /grayscale/<value>
    Whether to set an image to be a grayscale image.
    value being 0 indicates not to modify the image.
    value being 1 indicates to set the image to be a grayscale image.
    /ignore-error/1
    If this parameter is carried and the image failed to be processed because it is too large, the input image will be returned with no error reported.

    Examples

    Set an image to be a grayscale image:
    http://examples-1251000004.cos.ap-shanghai.myqcloud.com/sample.jpeg?imageMogr2/grayscale/1
    Output image:
    
    img
    
    
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