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Old 11-12-2015, 12:18 PM   #1
m1d1
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[GUI Plugin] Prettify Cover



Prettify
Cover



Scale book-covers proportional to the full screen of your e-reader.
The calibre cover-grid looks even better with all cover-images in the same size.

Scaling book-covers proportional usually adds an empty margin.
With „Prettify Cover“ you can choose how to align the image and how to fill the margin:
  • Black
  • White
  • Custom color
  • Cut-out method:
    (Scaling the smallest side of the image to fit the e-reader full screen.)
  • Content-aware background (optional)
    (Only available when Gimp and the Gimp Plug-in „resynthesizer“ is installed)

Usage:
  • Add „Prettify Cover“ to your toolbar. (Preferences > Toolbars. )
  • Click the arrow next to the „Prettify Cover“ icon in the toolbar and set the default resolution.
  • Select one or more books and click the „Prettify Cover“ icon
  • Choose the best cover by clicking the image

Now you've generated the new book-cover for calibre, only.

If you want this new cover in your ebook (epub, etc.) use the plug-in „Polish Book“ and make sure the option „update the cover in the book files“ is checked.
Click OK and upload the ebook with the new cover to your e-reader.


Content-aware background:

You can use „Prettify Cover“ without this feature.
If you want to use it you need Gimp and the resynthesizer plug-in for Gimp installed.
  • Windows:
    Gimp download:
    http://www.gimp.org/

    Resynthesizer plug-in (see README_WINDOWS.txt in zip file)
    http://registry.gimp.org/node/27986

  • Linux:
    For Ubuntu/Kubuntu etc. users install gimp and plugin with
    sudo apt-get install gimp gimp-plugin-registry

  • Mac:
    The resynthesizer plug-in is not available for Mac.

Edit with GIMP button:

Since version 0.9.6. you can start GIMP via the button to edit the original cover.
When done editing select:
  • File > Overwrite tmp_gimp.png
  • File > Exit
  • Discard changes

Now proceed as usual.

Q: Why is the GIMP button grayed out and not clickable?
A1: Install GIMP then restart Calibre.
(Mac OS is not supported, yet.)

Installation Steps:

Download the attached zip file and install the plugin/add to context menu or toolbar/restart Calibre as described in the Introduction to plugins thread.


Paypal Donations:

Feel free to show your appreciation if you like this plug-in



Version History:

Spoiler:

Version 0.9.7 - 2016-09-14
- add: GIMP button to edit the content-aware cover.
- bugfix: alignment buttons, when changing cover format in GIMP session.

Version 0.9.6 - 2016-08-22
- now you can edit the original cover with GIMP (mac is not supported, yet)
- improved GUI

Version 0.9.5 - 2016-03-24
- added easteregg feature ctrl+click image to show fullsize cover

Version 0.9.4 - 2016-01-11
- bugfix: cover generation with custom color from colorpicker didn't work

Version 0.9.3 - 2015-12-17
- added color palette widget with a colorpicker.
"most used color" groupbox is renamed to "custom color"
on start it's still set to the most used color.
open the widget by clicking the button labeled "change color"
- alignment buttons show current state
- timeout period for content-aware background rendering has been increased
from 99 to 120sec (some covers took more than 99sec on my end)
- moved help button below content-aware options
- updated help
- optimized code

Version 0.9.2 - 2015-12-07
- fixed the content-aware bg. preview.
it didn't match the final result because a thumbnail was rendererd for the preview.
now the full-size cover is processed for the preview and scaled down to thumbnail size.
the preview operation takes longer (approx. 30sec) but there is no more rendering done when choosing the cover.
- reduced thumbnail height. dialog was to large and some btns unavailable for monitors with 768px height
- Cut-out image preview starts centered
- updated german and english help files
- abbreviated, renamed and simplified text labels to better fit in UI
- optimized code

Version 0.9.1 - 2015-11-26
- renamed "Oversized" image preview to "Cut-Out"
- added alignment buttons for (now) cut-out image option

Version 0.9.0 - 2015-11-16
- add german translation
- more status dialogs
- support for gimp 2.6 and higher on win
- add abort button to progress dialog
- updated help
- add timeout for gimp operations
(thumbnail 33s, cover 99s)

Version 0.8.0 - 2015-11-12
Public release
Attached Thumbnails
Click image for larger version

Name:	prettify_cover_0.9.7_win.png
Views:	33
Size:	237.7 KB
ID:	151651   Click image for larger version

Name:	prettify_cover_0.97_nix.png
Views:	26
Size:	287.2 KB
ID:	151652  
Attached Images
 
Attached Files
File Type: zip Prettify_Cover_0.9.7.zip (126.5 KB, 579 views)

Last edited by m1d1; 09-15-2016 at 12:47 PM. Reason: version 0.9.7
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Old 11-18-2015, 02:54 PM   #2
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released version 0.9.0
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Old 11-26-2015, 01:44 PM   #3
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released version 0.9.1

Last edited by m1d1; 12-07-2015 at 09:09 AM.
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Old 12-07-2015, 09:08 AM   #4
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released version 0.9.2
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Old 12-07-2015, 09:23 AM   #5
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What's new in the new versions?
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Old 12-07-2015, 09:30 AM   #6
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Just open the "Version History" spoiler.
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Old 12-17-2015, 12:37 PM   #7
m1d1
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released version 0.9.3
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Old 01-11-2016, 10:13 AM   #8
m1d1
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released version 0.9.4
- bugfix: cover generation with custom color from colorpicker didn't work
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Old 03-24-2016, 12:12 PM   #9
m1d1
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released version 0.9.5
- added ctrl+click for preview image to view it in fullsize
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Old 08-22-2016, 12:31 PM   #10
m1d1
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Posts: 10
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Join Date: Aug 2015
Location: Stuttgart - Germany
Device: Pocketbook 626
released version 0.9.6

  • now you can edit the original cover with GIMP (mac is not supported, yet)
  • improved GUI

(If you want the new GIMP edit feature for Mac and you're willing to help. Contact me here with a PM)
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Old 09-15-2016, 12:49 PM   #11
m1d1
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Join Date: Aug 2015
Location: Stuttgart - Germany
Device: Pocketbook 626
released version 0.9.7

  • New GIMP button to edit the content-aware cover.
  • bugfix: alignment buttons, when changing cover format in GIMP session.
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