Quote:
Originally Posted by mumdigau
On the other hand, I tried a simple epub2epub conversion with ebook-convert (no options set besides --cover). This adds the specified image as a cover, the original image is still there, most probably since it isn't properly set as cover, and the new added cover looks somewhat strechted.
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There are two settings at play here.
1. In the GUI there is an option under
Preferences -
Conversion -
Structure Detection - if you check
remove first image, then the first image will be removed when converting.
2. The image is slightly distorted because it is now rendered as a .SVG image and will stretch to fill the screen. If you prefer an unstretched image where the aspect ratio of the image remains in tact then go to
Preferences -
Conversion -
Epub output. Here you will find two options that will do this. The
Preserve cover aspect ratio, leaves the file as svg and it will not stretch to fit the window and thus not be distorted. The other option is to check
No SVG cover, this will produce a jpeg for the cover that will not stretch to fit either. Some readers don't handle SVG images and this last option is primarily used for providing covers for those readers.
So to get what you want, run the epub to epub conversion with
remove first image and
Preserve cover aspect ratio checked. If these are your saved default settings in the GUI they should affect the ebook-convert too.