Object Storage Service

Object Storage Service

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Object Storage Service

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Documentation > Products > Object Storage Service > Image Watermark

Add Image Watermark

Add watermark of image format on the picture file.

Use Method: each wmi triggers actions of adding watermark and then set each parameter value with parameters begun with w in the following list; if the first one is not a control character of parameters in the list or there is no subsequent parameters, actual actions of adding watermark will be triggered; optional parameters not set will use a default value and each parameter will be initialized as the default value after watermarking.

Actions mode Instruction meaning Parameter format Parameter description Result description
Start image watermark actions Watermark image wmi Required parameters
A group of commands is corresponding to a watermark image		 Start to add one watermark image action processing
Assign watermark image file key Watermark key wk/str64 Required parameters
str64=base64(bucket:object)		 Watermark image local key; read watermark image uploaded to public cloud
Assign watermark position Watermark position wp/n Optional parameters
N position of watermark in the image
value range[1,9], default 1		 Position correspondence, range in turn by row from top left corner to bottom right corner
1 2 3
4 5 6
7 8 9
Assign watermark position x offset Watermark
dx		 wdx/n Optional parameters
N horizontal pixel offset of watermark relative default position
value range[-9999, 9999], default 0		 Watermark horizontal pixel offset relative to default position is till image boundary
Assign watermark position y offset Watermark
dy		 wdy/n Optional parameters
N vertical pixel offset of watermark relative default position
value range[-9999, 9999], default 0		 Watermark vertical pixel offset relative to default position is till image boundary
Watermark image transparency Watermark
dissolve		 wd/n Optional parameters
N watermark image transparency
value range[0, 100], default 100		 0 is fully transparent watermark, meaning no watermark
Watermark image zooming scale Watermark
scale		 ws/n Optional parameters
N area ration of watermark image to original image
value range[0, 1000], default 30		 Area ration of watermark image to original image (0.X%)

Example:

Add logo.png as an image watermark file to example.png and set the zooming scale of watermark image as 100:

http://s3.cn-north-1.jdcloud-oss.com/downloads/example.jpg?x-oss-process=img/wmi/wk/ZG93bmxvYWRzOmxvZ28ucG5n/ws/100

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Update Timeя╝Ъ2019-05-28 16:47:16