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imagemagickmagickwand
HentaiMew
HentaiMew

Reputation: 337

How to keep the image aspect ratio when resize?

For example, when I only provide one of the length or width parameters, another parameter is automatically calculated while maintaining the aspect ratio of the image.

Is there a related function in the MagicWand library? Still have to calculate the aspect ratio yourself?

Upvotes: 0

Views: 450

Answers (1)

emcconville
emcconville

Reputation: 24419

Is there a related function in the MagicWand library? Still have to calculate the aspect ratio yourself?

When working with MagickWand C-API, you would be expected to calculate the aspect ratio yourself. There was MagickTransformImage method that supports both cropping & resizing by evaluating a formatted string (including aspect ratios), but that has been deprecated & removed.

In the MagickCore library, there's ParseMetaGeometry method that will support formatted string w/ aspect ratio flags.

Upvotes: 1

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