Module: FastImage::Resize

Defined in:
lib/fastimage/resize/version.rb,
lib/fastimage/resize.rb

Defined Under Namespace

Modules: ClassMethods Classes: FormatNotSupported

Constant Summary collapse

VERSION = 
"3.4.0"
SUPPORTED_FORMATS = 
[:jpeg, :png, :gif, :tiff]
FILE_EXTENSIONS =

prefer jpg to jpeg as an extension

[:jpg, :png, :gif, :tiff]

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/fastimage/resize.rb', line 35

def self.included(base)
  base.extend ClassMethods
end

Instance Method Details

#resize(width, height, options = {}) ⇒ Object 



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# File 'lib/fastimage/resize.rb', line 65

def resize(width, height, options = {})
  jpeg_quality = options[:jpeg_quality] || -1
  file_out = options[:outfile]

  type_index = SUPPORTED_FORMATS.index(type)
  raise FormatNotSupported unless type_index

  if !file_out
    temp_file = Tempfile.new(["fastimage-resize-", ".#{FILE_EXTENSIONS[type_index]}"])
    temp_file.binmode
    file_out = temp_file.path
  else
    temp_file = nil
  end

  FastImage.native_resize(path, file_out.to_s, width.to_i, height.to_i, type_index, jpeg_quality.to_i, orientation)

  raise FastImage::ImageFetchFailure, 'Image could be created' unless File.exist?(file_out.to_s)

  temp_file
rescue RuntimeError => e
  raise FastImage::ImageFetchFailure, e.message
end