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It sounds like you might be using multi-size images.
Check your settings in 'Site -> Customize Viewers -> Juicebox-Pro (Edit) -> Pro Viewer Options -> Multi-Size Images (Pro)'.
The default values are for the 'Large images', 'Medium image resize' and ''Small images' checkboxes to all be deselected (and for just a single image size to be used).
Try deselecting the 'Medium image resize' checkbox (if it is selected) or increase its pixel values. (The 'Medium image resize' checkbox in the 'Multi-Size Images (Pro)' section overrides the 'Resize images' checkbox in the upload module.)
Sorry I did not think of this earlier (it is not switched on by default).
I hope this helps to explain what you are seeing.

That sounds odd.
Unfortunately (or rather, fortunately), I cannot replicate this.

As a test I have just uploaded a 2048 x 1536 image using the upload module in Showkase v1.7.5 (set to HTML 5).
I first uploaded the image with resize dimensions of 2048 x 1536 (the same as the original image) and the 'Resize images' checkbox selected.
I then uploaded the same image with the 'Resize checkbox' deselected.
The resulting images on the web server both had the same dimensions of 2048 x 1536 (as expected).

Here are a couple of tips which might help.

(1) If the 'Resize images' checkbox is selected, make sure that the 'Max height' is large enough to accommodate the 'Max width' that you want.
If you set the 'Max width' to 2048 (for example) but set a low 'Max height', then the image may be scaled with the 'Max height' value being the controlling factor and the actual width of the resulting image may be below the 'Max width' value.

(2) If you deselect the 'Resize images' checkbox, then the images you upload will not be resized at all (and will, therefore, retain their original dimensions).

I hope this helps.

[Conversation continued via email.]

You're welcome!

A full backup shouldn't really be necessary but better to be safe than sorry!

steven at simpleviewer dot net (or steven at juicebox dot net)

Thank you for the information. PHP 5.3.19 should be fine. (Showkase requires PHP 5.2.0 or later.)
I'm really not sure why the problem has not occurred until now. If the problem started recently, then it is certainly possible that something might have changed on your web server to cause the problem.
In any case, when I get your email, I'll investigate further.
Thank you.

Showkase does not come with its own built-in cookie consent code but you'll find there are many websites that provide cookie consent code that you can use in your own website. (Try a web search for "cookie consent code" and you should find a few.)

You can then incorporate the code into your Showkase site by following the instructions in this forum thread (where another user posted a similar query to yours).

I hope you find the information in the forum thread useful.
Please let me know how you get on and if I can be of any further assistance.
If you experience any difficulties, then please let me know the code you are trying to use (or provide a link to the website that provides the code) and I'll do my best to help further.
Thank you.

You can create Juicebox-Pro galleries directly within the Showkase interface.
Please see the Getting Started support section for details.

However, you could also create your galleries with JuiceboxBuilder-Pro and import them into your Showkase site using Showkase's 'Site -> Import' functionality.
Here is the procedure:

(1) Create a Juicebox gallery on your computer with JuiceboxBuilder or the Lightroom plugin.
(2) Upload the complete gallery folder (not just its contents) to your web server using an FTP program (such as Filezilla). (I recommend uploading it to a location outside your Showkase directory if possible, just to keep things separate from each other.)
(3) Go to 'Site -> Import' in your Showkase site.
(4) For the 'Import path', enter the path to the directory containing the gallery folder (not the gallery folder itself) with a leading slash '/' to denote your root directory.
(5) Click 'Scan' and select the checkbox (in the 'Import' column) next to the gallery folder (or folders - you can import several galleries at once if they are all in the same parent directory) that you'd like to import.
(6) Click 'Import' and 'Publish'.

Once a gallery has been imported, it becomes a genuine Showkase page (just as if the gallery had been created in Showkase itself) and it can be edited from within the Showkase interface if necessary.

You can upload the gallery folder to anywhere you like on your web server as long as the import path is correct.
For convenience, I'd recommend just uploading the gallery folder to your root directory. You would then just use a single slash '/' as your import path.

Incidentally, after importing a gallery, it is safe to delete the original gallery folder that you uploaded for import as Showkase will have copied all the gallery files across to the Showkase site. (Showkase does not automatically delete the gallery folder as it may be part of a different active site.)

I hope this helps.

I'm sorry to hear that you are having trouble setting up Showkase on your web server.
Unfortunately, the error 500 that you have encountered is a rather generic server error which does not really help pinpoint the exact cause of the problem.
The problem may be due to a certain PHP function on your web server having been disabled but the error message does not tell us what this might be.
If possible, please check your server error logs (or ask your web host) to try to find out exactly which Showkase script is triggering the error message (and at which line in the script the problem occurs).
If you can find out exactly which PHP command within the Showkase source is causing the problem, then we'll know what the problem is (and, hopefully, how to fix it).
Please post back to let me know how you get on and, with a little more information, I should hopefully be able to help further.
Thank you.

@petax

I'm really glad that you've been able to find the solution to your problem here in the forum (and that the fix was an easy one).
Thank you for sharing your experience!

Incidentally, according to this web page, the default value for max_input_vars is 1,000 so it looks like your web host was just using the default value (rather than purposely choosing a low value).

In any case, I'm happy to hear that your Showkase site is running well!

You can hide an 'About' page by dragging and dropping the page name onto the 'Hidden pages' section on the 'Pages' tab (and then clicking 'Save' and 'Publish').

I'm not sure what you mean. Can you explain in greater detail what navigation icon you are referring to (please provide a link to your web page or a screenshot if possible)?
The Kosel and Maribo themes both have a top navigation menu and the Boma theme has a side navigation menu.
I'm not sure if you are referring to the social media icons in the page footer or a custom link in the page footer (or something else) but hiding a page from the navigation menu (by dragging and dropping the page name onto the 'Hidden pages' section) has no effect on any links in the page footer.

Hi.
Thanks for your query!

Showkase and Juicebox are, indeed, still actively being developed and supported (although it certainly has been a while since the last release of either product).

The next versions of both will likely be bugfix releases (rather than major new versions introducing new features) but, unfortunately, I really do not know when this might be and any estimate I give could turn out to be wholly inaccurate.

I'm sorry I cannot give you any more news at the moment (like what to expect in the next versions or when they will be released).
All I can do just now is reassure you that both products are still alive and kicking!

Yes. The current version of Showkase (v1.7.4) supports all versions of PHP from 5.2.0 up to the current version 7.4.1.
There are no known issues when running Showkase v1.7.4 under PHP 7.3 or 7.4.1 (or any version of PHP above 5.2.0 for that matter).
If you encounter any PHP related issues, please let us know here in the forum. Thanks!

I'm glad to hear that you have ben able to track down and resolve your issue.
Thank you very much for posting back to let me know. It's most appreciated.