app/helpers/picture_files_helper.rb
module PictureFilesHelper
def show_image(picture_file, options = {:size => :medium})
geometry = Paperclip::Geometry.from_file(picture_file.picture)
case options[:size]
when :medium
if geometry.width.to_i >= 600
medium_geometry = Paperclip::Geometry.from_file(picture_file.picture.path(:medium))
return image_tag picture_file_path(picture_file, :format => picture_file.extname, :size => :medium), :alt => "*", :width => medium_geometry.width.to_i, :height => medium_geometry.height.to_i
end
when :thumb
if geometry.width.to_i >= 100
thumb_geometry = Paperclip::Geometry.from_file(picture_file.picture.path(:thumb))
return image_tag picture_file_path(picture_file, :format => picture_file.extname, :size => :thumb), :alt => "*", :width => thumb_geometry.width.to_i, :height => thumb_geometry.height.to_i
end
end
image_tag picture_file_path(picture_file, :format => picture_file.extname, :size => :original), :alt => "*", :width => geometry.width.to_i, :height => geometry.height.to_i
rescue
nil
end
end