lib/paperclip/thumbnail.rb in paperclip-2.1.5 vs lib/paperclip/thumbnail.rb in paperclip-2.2.0
- old
+ new
@@ -1,37 +1,32 @@
module Paperclip
# Handles thumbnailing images that are uploaded.
- class Thumbnail
+ class Thumbnail < Processor
- attr_accessor :file, :current_geometry, :target_geometry, :format, :whiny_thumbnails, :convert_options
+ attr_accessor :current_geometry, :target_geometry, :format, :whiny, :convert_options
# Creates a Thumbnail object set to work on the +file+ given. It
# will attempt to transform the image into one defined by +target_geometry+
# which is a "WxH"-style string. +format+ will be inferred from the +file+
# unless specified. Thumbnail creation will raise no errors unless
- # +whiny_thumbnails+ is true (which it is, by default. If +convert_options+ is
+ # +whiny+ is true (which it is, by default. If +convert_options+ is
# set, the options will be appended to the convert command upon image conversion
- def initialize file, target_geometry, format = nil, convert_options = nil, whiny_thumbnails = true
+ def initialize file, options = {}
+ super
+ geometry = options[:geometry]
@file = file
- @crop = target_geometry[-1,1] == '#'
- @target_geometry = Geometry.parse target_geometry
- @current_geometry = Geometry.from_file file
- @convert_options = convert_options
- @whiny_thumbnails = whiny_thumbnails
+ @crop = geometry[-1,1] == '#'
+ @target_geometry = Geometry.parse geometry
+ @current_geometry = Geometry.from_file @file
+ @convert_options = options[:convert_options]
+ @whiny = options[:whiny].nil? ? true : options[:whiny]
+ @format = options[:format]
@current_format = File.extname(@file.path)
@basename = File.basename(@file.path, @current_format)
-
- @format = format
end
- # Creates a thumbnail, as specified in +initialize+, +make+s it, and returns the
- # resulting Tempfile.
- def self.make file, dimensions, format = nil, convert_options = nil, whiny_thumbnails = true
- new(file, dimensions, format, convert_options, whiny_thumbnails).make
- end
-
# Returns true if the +target_geometry+ is meant to crop.
def crop?
@crop
end
@@ -54,11 +49,11 @@
end_command
begin
success = Paperclip.run("convert", command.gsub(/\s+/, " "))
rescue PaperclipCommandLineError
- raise PaperclipError, "There was an error processing the thumbnail for #{@basename}" if @whiny_thumbnails
+ raise PaperclipError, "There was an error processing the thumbnail for #{@basename}" if @whiny
end
dst
end
@@ -68,21 +63,8 @@
scale, crop = @current_geometry.transformation_to(@target_geometry, crop?)
trans = "-resize \"#{scale}\""
trans << " -crop \"#{crop}\" +repage" if crop
trans << " #{convert_options}" if convert_options?
trans
- end
- end
-
- # Due to how ImageMagick handles its image format conversion and how Tempfile
- # handles its naming scheme, it is necessary to override how Tempfile makes
- # its names so as to allow for file extensions. Idea taken from the comments
- # on this blog post:
- # http://marsorange.com/archives/of-mogrify-ruby-tempfile-dynamic-class-definitions
- class Tempfile < ::Tempfile
- # Replaces Tempfile's +make_tmpname+ with one that honors file extensions.
- def make_tmpname(basename, n)
- extension = File.extname(basename)
- sprintf("%s,%d,%d%s", File.basename(basename, extension), $$, n, extension)
end
end
end