ThumbType

Thumbnail type. Describes how a thumbnail for this image is to be generated.

The following thumbnail types are supported:

Crop (1)

Crop the image to the thumbnail aspect ratio. Unless the aspect ratio of the thumbnail rectangle and the image are exactly the same, a part of the image ise cropped to ensure that the entire thumbnail rectangle is filled with image data. The crop rectangle is positioned in the image using attribute::ThumbHorizAlign and attribute::ThumbVertAlign.

Fit (2)

Fit the entire image into the thumbnail rectangle. The image is positioned within the thumbnail rectangle using attribute::ThumbHorizAlign and attribute::ThumbVertAlign, and any extra space is filled with attribute::ThumbBkgColor.

Texture (3)

Crop the image based on resolution. The image is scaled by ratio of catalog::ThumbRes to catalog::Resolution. If the resulting image is larger than the thumbnail, it is cropped to fit, if the scaled image is smaller than the thumbnail, the remaining area is filled with attribute::ThumbBkgColor. attribute::ThumbHorizAlign and attribute::ThumbVertAlign are used to determine the position of the crop rectangle within a larger image or position of a smaller image within the thumbnail.

Clients request image thumbnails with req=tmb requests.

Properties

Enum Value. Valid values are 1, 2, or 3, which corresponds to Crop, Fit, and Texture types, respectively.

Default

attribute::ThumbType is used if the field is not present, if the value is 0 or if the field is empty.

See also

attribute::ThumbType , attribute::ThumbBkgColor, attribute::ThumbHorizAlign, attribute::ThumbVertAlign, catalog::ThumbRes, catalog::Resolution, req=tmb, Thumbnail Scaling

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