Contents

require 'mini_magick'
module MiniMagickProcessor
  def image_to_tiff
    generate_uid
    tmp_file = Pathname.new(Dir::tmpdir).join("#{@uid}_#{@source.basename}.tif").to_s
    cat = @instance || MiniMagick::Image.open(@source.to_s)
    cat.format("tif")
    cat.crop("#{@w}x#{@h}+#{@x}+#{@y}") unless [@x, @y, @w, @h].compact == []
    cat.write tmp_file.to_s
    return tmp_file
  end

  def image_from_blob(blob)
    generate_uid
    tmp_file = Pathname.new(Dir::tmpdir).join("#{@uid}_#{@source.basename}.tif").to_s
    cat = @instance || MiniMagick::Image.read(blob)
    cat.format("tif")
    cat.crop("#{@w}x#{@h}+#{@x}+#{@y}") unless [@x, @y, @w, @h].compact == []
    cat.write tmp_file.to_s
    return tmp_file
  end

  def is_a_instance?(object)
    object.class == MiniMagick::Image
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
rtesseract-0.0.13	lib/processors/mini_magick.rb
rtesseract-0.0.12	lib/processors/mini_magick.rb
rtesseract-0.0.11	lib/processors/mini_magick.rb