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Object Storage Service

Documentation > Products > Object Storage Service > Image Zooming

Scaling of Images

Generate a thumbnail of the image as required, or make a specific scaling.

Parameters:

Actions mode	Instruction meaning	Parameter format	Parameter description	Result description
Scale in with fixed aspect ratio	Scale	s/w/h	W resultant width after scaling H resultant height after scaling value range[1,9999]	The scaled image is not larger than the assigned width and height, and is the maximum inscribed rectangle of w x h
Scale out with fixed aspect ratio	Scale outside	so/w/h	W resultant width after scaling H resultant height after scaling value range[1,9999]	The scaled image is not smaller than the assigned width and height, and is the minimum circumscribed rectangle of w x h
Scale with fixed aspect ratio and assigned height	Scale height	sh/h	H resultant height after scaling value range[1,9999]	Resultant height after assigned scaling, the width is self-adapted
Scale with fixed aspect ratio and assigned width	Scale width	sw/w	W resultant width after scaling value range[1,9999]	Resultant width after assigned scaling, the height is self-adapted
Scale in proportion with fixed aspect ratio	Scale percent	sp/n	N 0.X% of the resultant side length after scaling of that of the original image value range[1,1000]	0.X% of the resultant width and height after assigned scaling are of that of the original image
Scale without fixed aspect ratio	Scale force	sf/w/h	W resultant width after scaling value range[1,9999]	Resultant width and height after assigned scaling
Scale as per pixel count within the area with fixed aspect ratio	Scale area	sa/n	N resultant total pixel count after scaling value range[1,100000000]	Resultant total pixel count after assigned scaling, w x h=n, there may be the error of 1 pixel in the result
Scale with fixed aspect ratio and added white border	Scale border	sb/w/h	W resultant width after scaling H resultant height after scaling value range[1,9999]	The scaled image is not larger than the assigned width and height, and is the maximum inscribed rectangle of w x h; the scaled image scope is not be larger than assigned width and height, the filling background of the non-image part within assigned width and height scope is white
Scale with fixed aspect ratio and added color border	Scale border	sb/w/h/str	W resultant width after scaling H resultant height after scaling value range[1,9999] Str background filling color, starting with_ value range[000000,FFFFFF]	The scaled image is not larger than the assigned width and height, and is the maximum inscribed rectangle of w x h; the scaled image scope is not be larger than assigned width and height, the filling background of the non-image part within assigned width and height scope is the Str assigned color, corresponding to RRGGBB (supporting RGB as well)
Scale with fixed aspect ratio and assigned height, and white border added to width	Scale height border	shb/w/h	W resultant width after scaling H resultant height after scaling value range[1,9999]	The assigned height and width are self-adapted, the scaled image is equal to the assigned height and width; if the self-adapted width is not consistent with the assigned height, the filling background is white
Scale with fixed aspect ratio and assigned width, and white border added to height	Scale width border	swb/w/h	W resultant width after scaling H resultant height after scaling value range[1,9999]	The assigned width and height are self-adapted, the scaled image is equal to the assigned width and height; if the self-adapted height is not consistent with the assigned height, the filling background is white
Scale with fixed aspect ratio and assigned height, and color border added to width	Scale height border	shb/w/h/str	W resultant width after scaling H resultant height after scaling value range[1,9999] Str background filling color, starting with_ value range[000000,FFFFFF]	The assigned height and width are self-adapted, the scaled image is equal to the assigned width and height; if the self-adapted width is not consistent with the assigned width, the filling background is the Str assigned color, corresponding to RRGGBB (supporting RGB as well)
Scale with fixed aspect ratio and assigned height, and color border added to width	Scale width border	swb/w/h/str	W resultant width after scaling H resultant height after scaling value range[1,9999] Str background filling color, starting with_ value range[000000,FFFFFF]	The assigned width and height are self-adapted, the scaled image is equal to the assigned width and height; if the self-adapted height is not consistent with the assigned height, the filling background is the Str assigned color, corresponding to RRGGBB (supporting RGB as well)

Example: Scale the image with fixed aspect ratio; the width and height after scaling is not larger than 200 x 300

http://s3.cn-north-1.jdcloud-oss.com/downloads/example.jpg?x-oss-process=img/s/200/300

Update Time：2019-05-28 16:47:16