I need a plugin with this features...

frizzel said:

Sunshine Photo Cart which is based on Easy Digital Downloads. It has a free version, so you could try that out first to see if it suits your needs, but the Pro version adds some add-ons.

You might also want to have a look at EDD's write-up on selling images online with their plug-in.

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frizzel said:

I know it's been more than a week since you asked this, but your question intrigued me. I thought it would be easy to find a plug-in doing this, but you're right: there's none, or at least not one that I could find.

Many lightbox solutions have the option to download an image, but only in its original size. Just see the image pop-up here on Babiato. You can download the image below, but yes, only the full size of it.

So I thought: let's have a little fun and try this myself. The screenshot below shows how far I am, using the lightbox library called FancyBox.



The panel to the right slides into view when hovering over the nav dots. At the top of that panel you see links to get to the next or previous image, and the picture caption (if there is one). Furthermore a button with the text "Download Image". When clicking on the button, underneath appear links to download the image in different sizes. These sizes are taken from the so-called 'srcset' which WordPress adds automatically to images, EXCEPT (and that's strange) in their standard gallery. Fortunately, there are other galleries that include such a srcset.

As you can see, it's an unordered list with different sizes not neatly arranged. That's something I have to look into. Also, there are a bit too many choices, but of course you can limit the sizes WordPress creates (and thus the list shown here).

I'm thinking of making this idea into a plug-in, but then probably with some more bells and whistles, like a pop-up after download to thank the photographer, a 'favourites' system and so on. Also, I need to cleanup the code a bit more for an official release.

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frizzel said:

Actually, I was not planning to make this a paid plug-in, more a kind of free add-on for FancyBox. Anyway, still working on it, maybe I'll just publish the code so others can improve it.

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