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          Object Storage

          Image Scaling

          Overview

          This article describes how to scale up and down the photo.

          Image Scaling Parameter

          Name of action: resize

          Parameter Value Description
          m lfit, mfit, fill, pad, fixed
          • Sets the width of the thumbnail in px. The lfit type must be set to w or h, and the fill fixed type must be set to w and h at the same time.
          • lfit: Scale the image to the largest scale that can be placed in a rectangle with width and height of w and h.
          • mfit: Scale the image to the smallest scale that can be placed in a rectangle with width and height of w and h.
          • fill: Crop the image part in the rectangles with width and height of w and h on the basis of mfit.
          • pad: Fill the blank part except the image in the rectangles with width and height of w and h on the basis of lfit.
          • fixed: Forces scaling to the specified width (w) and height (h).
          w 1-4096
          • Sets the height of the thumbnail in px. The lfit type must be set to w or h, and the fill fixed type must be set to w and h at the same time.
          h 1-4096
          • Sets the height of the thumbnail in px. The lfit type must be set to w or h, and the fill fixed type must be set to w and h at the same time.
          limit 0,1
          • Set whether to limit the size of the image to be resized not to exceed the size of the original image, where 0 represents unlimited, and 1 represents limited. It is not required, and the number 0 represents unlimited.
          color 8-digit hex color code
          • Designate the fill color of the type, where the first six bits represent RGB color, such as ffffff; and the last two bits represent Alpha channel, which can be omitted, and if omitted, it means opaque. It is not required, and the default color is black.

          Example

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