Method: RBPDF#getImageFileType

Defined in:
lib/rbpdf.rb

#getImageFileType(imgfile, iminfo = {}) ⇒ Object Also known as: get_image_file_type

Return the image type given the file name or array returned by getimagesize() function.

@param string :imgfile

image file name

@param hash :iminfo

array of image information returned by getimagesize() function.

@return string

image type

@access public
@since 4.8.017 (2009-11-27)


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# File 'lib/rbpdf.rb', line 4758

def getImageFileType(imgfile, iminfo={})
  if iminfo.is_a? Hash and iminfo['mime'] and !iminfo['mime'].empty?
    mime = iminfo['mime'].split('/')
    if (mime.length > 1) and (mime[0] == 'image') and !mime[1].empty?
      return mime[1].strip
    end
  end
  type = ''
  return type if imgfile.nil?

  fileinfo = File::extname(imgfile)
  type = fileinfo.sub(/^\./, '').downcase if fileinfo != ''
  if type == 'jpg'
    type = 'jpeg'
  end
  return type
end