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 = 
"3.7.0"

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 13

def processor
  @processor
end

.processor_path ⇒ Object

Returns the value of attribute processor_path.



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# File 'lib/mini_magick.rb', line 14

def processor_path
  @processor_path
end

.timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/mini_magick.rb', line 15

def timeout
  @timeout
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 23

def choose_processor
  if MiniMagick::Utilities.which('mogrify').size > 0
    self.processor = 'mogrify'
  elsif MiniMagick::Utilities.which('gm').size > 0
    self.processor = "gm"
  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 74

def gm?
  self.choose_processor if self.processor.nil?

  self.processor == 'gm'
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 36

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 45

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 63

def mogrify?
  self.choose_processor if self.processor.nil?

  self.processor == 'mogrify'
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 54

def valid_version_installed?
  image_magick_version >= minimum_image_magick_version
end