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