Module: MiniMagick

Defined in:
lib/mini_magick.rb,
lib/mini_magick/image.rb,
lib/mini_magick/errors.rb,
lib/mini_magick/version.rb,
lib/mini_magick/utilities.rb,
lib/mini_magick/command_builder.rb

Defined Under Namespace

Modules: Utilities Classes: CommandBuilder, Error, Image, Invalid

Constant Summary collapse

VERSION = 
'3.8.0'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.processor ⇒ Object

Returns the value of attribute processor.



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# File 'lib/mini_magick.rb', line 16

def processor
  @processor
end

.processor_path ⇒ Object

Returns the value of attribute processor_path.



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# File 'lib/mini_magick.rb', line 17

def processor_path
  @processor_path
end

.timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/mini_magick.rb', line 18

def timeout
  @timeout
end

.validate_on_create ⇒ Object

Returns the value of attribute validate_on_create.



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# File 'lib/mini_magick.rb', line 19

def validate_on_create
  @validate_on_create
end

.validate_on_write ⇒ Object

Returns the value of attribute validate_on_write.



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# File 'lib/mini_magick.rb', line 20

def validate_on_write
  @validate_on_write
end

Class Method Details

.choose_processor ⇒ Object

Tries to detect the current processor based if any of the processors exist. Mogrify have precedence over gm by default.

Returns

  • String

    The detected procesor



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# File 'lib/mini_magick.rb', line 28

def choose_processor
  self.processor = if MiniMagick::Utilities.which('mogrify')
                     :mogrify
                   elsif MiniMagick::Utilities.which('gm')
                     :gm
                   else
                     nil
                   end
end

.gm? ⇒ Boolean

Picks the right processor if it isn’t set and returns whether it’s graphicsmagick or not.

Returns

  • Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_magick.rb', line 82

def gm?
  choose_processor if processor.nil?

  return processor.to_s.downcase.to_sym == :gm unless processor.nil?
  false
end

.image_magick_version ⇒ Object

Discovers the imagemagick version based on mogrify’s output.

Returns

  • The imagemagick version



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# File 'lib/mini_magick.rb', line 43

def image_magick_version
  @@version ||= Gem::Version.create(`mogrify --version`.split(' ')[2].split('-').first)
end

.minimum_image_magick_version ⇒ Object

The minimum allowed imagemagick version

Returns

  • The minimum imagemagick version



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# File 'lib/mini_magick.rb', line 52

def minimum_image_magick_version
  @@minimum_version ||= Gem::Version.create('6.6.3')
end

.mogrify? ⇒ Boolean

Picks the right processor if it isn’t set and returns whether it’s mogrify or not.

Returns

  • Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_magick.rb', line 70

def mogrify?
  choose_processor if processor.nil?

  return processor.to_s.downcase.to_sym == :mogrify unless processor.nil?
  false
end

.valid_version_installed? ⇒ Boolean

Checks whether the imagemagick’s version is valid

Returns

  • Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_magick.rb', line 61

def valid_version_installed?
  image_magick_version >= minimum_image_magick_version
end