Created
October 9, 2009 16:19
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class GalleryImage < ActiveRecord::Base | |
belongs_to :property | |
has_attached_file :image, :styles => {:small => "300x300#", | |
:medium => "575x420>", | |
:small_thumb => "95x95#", | |
:thumb => "100x100#", | |
:large => "550x550>", | |
:featured => "296x477!"}, | |
:default_style => :small, | |
:processors => [:rotator] | |
attr_accessor :rotation_degrees, :rotate | |
before_create :set_defaults | |
def rotate!(degrees = 90) | |
self.rotation += degrees | |
self.rotation -= 360 if self.rotation >= 360 | |
self.rotation += 360 if self.rotation <= -360 | |
self.rotate = true | |
self.image.reprocess! | |
self.save | |
end | |
def rotating? | |
!self.rotation.nil? and self.rotate | |
end | |
private | |
def set_defaults | |
self.rotation ||= 0 | |
end | |
end |
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class GalleryImagesController < ApplicationController | |
def rotate | |
@image = GalleryImage.find(params[:id]) | |
rotation = params[:deg].to_f | |
rotation ||= 90 # Optional, otherwise, check for nil! | |
@image.rotate!(rotation) | |
flash[:notice] = "The image has been rotated" | |
end | |
end |
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module Paperclip | |
class Rotator < Thumbnail | |
def transformation_command | |
if rotate_command | |
super + rotate_command | |
else | |
super | |
end | |
end | |
def rotate_command | |
target = @attachment.instance | |
if target.rotating? | |
" -rotate #{target.rotation}" | |
end | |
end | |
end | |
end |
is anyone with this lib yet? My image is not updating, yet it gives no error... And the image gets broken...
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Because
rotation_degree
should be initialized to 0 with theset_default
callback.You can update existing records with something like
GalleryImage.update_all(:rotation_degree => 0)