Rails attachment_fu/Kropper Scaling Fix: attachment_fu_skip_resize
I recently integrated Kropper into a custom RoR application for OpenRain affiliate img surf. A fundamental flaw in the upload-save-crop-save process used by Kropper is that attachment_fu automatically scales down the image on first save to :resize_to dimensions. After the subsequent crop–which may result in a significant drop in resolution–the image is scaled back up to :resize_to dimensions: an ugly lossy operation.
The attachment_fu_skip_resize plugin gives attachment_fu the ability to temporarily bypass resizing of the full-size original image, thus allowing your final cropped photos to be of the highest quality as possible.
- Install the plugin.
- In your attachment_fu image class, add..
attr_accessor :skip_resize
- Any time you want to save an image without invoking resizing on the original image..
image.skip_resize = true image.save
Thumbnails will be generated at their defined resolutions regardless of the skip_resize flag.
Tags: attachment_fu, fix, howto, javascript, kropper, plugin, rails, ruby
. 01 Oct 07 | Computer
[...] Links/Instructions: http://www.prestonlee.com/archives/147 [...]
[...] Links/Instructions: http://www.prestonlee.com/archives/147 [...]
[...] > It’s a quick monkeypatch. Hope someone finds it useful > > Links/Instructions: http://www.prestonlee.com/archives/147 [...]
[...] PrestonLee.com » Rails Plugin Fix For attachment_fu/Kropper Scaling: attachment_fu_skip_resize (tags: kropper imagecrop attachment_fu rubyonrails) [...]
Hey. The Kropper is very KOOL…and I was hoping to give your plugin a try but the svn link is dead. Could you please update the link? Thanks in advance.
Ahh… We moved the repository a couple months ago. The new repository is..
http://code.openrain.com/rails/
The plugin hasn’t been updated in a while though.. please let us know if the current version works against the latest attachment_fu code. It’s a monkeypatch-based solution, so there is always the risk of breakage as attachment_fu evolves.