How to write a lightroom plugin which sets the crop of all selected images?

StackOverflow https://stackoverflow.com/questions/2614777

  •  26-09-2019
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Question

I wonder if it is possible to write a lightroom plugin, which applies crop rectangles to a set of images?

Of course I do not just want to duplicate the crop, I'd like to set a different crop to every image, based on some computations.

Can this be achieved with lightroom plugins, or would I need to try a different approach?

Was it helpful?

Solution

Unfortunately as of Lightroom SDK 3.0 it is not possible to programmatically crop an image. There is no official reason for this, but it seems to stem from a two linked causes. First, the only way to change an image is to use LrDevelopPreset. This class allows a develop preset to be modified and applied to an image. And second, develop presets cannot store crop settings.

There are a couple of threads in the Lightroom Feature Request forum mentioning the inability of crop settings to be specified in a develop preset. No generally applicable workaround has been found.

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