Tencent Cloud

Last updated: 2022-01-23 14:49:09

Overview

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

download_url?imageMogr2/grayscale/<value>

Operation: grayscale

Parameter	Description
download_url	URL of the input image, formatted as `<BucketName-APPID>.cos.<Region>.myqcloud.com/<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.

Set an image to be a grayscale image:

http://examples-1251000004.cos.ap-shanghai.myqcloud.com/sample.jpeg?imageMogr2/grayscale/1

Output image:

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