Class: TaliaCore::DataTypes::ImageData

Inherits:
FileRecord show all
Defined in:
lib/talia_core/data_types/image_data.rb

Overview

Class to manage image data type

Instance Attribute Summary

Attributes inherited from DataRecord

#temp_path

Instance Method Summary collapse

Methods inherited from FileRecord

#all_bytes, #get_byte, #position, #reset, #seek, #size

Methods included from FileStore::ClassMethods

#find_or_create_and_assign_file

Methods included from PathHelpers::ClassMethods

#data_path, #extract_filename, #tempfile_path

Methods included from TempFileHandling::ClassMethods

#copy_to_temp_file, #create_tempfile_path, #write_to_temp_file

Methods included from DataLoader::ClassMethods

#create_from_url

Methods included from IipLoader

#convert_original?, #create_from_files, #create_from_stream, #create_iip, #open_original_image, #open_original_image_file, #open_original_image_stream, #orig_location, #prepare_image_from_existing!

Methods included from TaliaUtil::IoHelper

#base_for, #file_url, #open_from_url, #open_generic

Methods included from TempFileHandling

#copy_to_temp_file, #random_tempfile_filename, #temp_data, #temp_data=, #temp_path, #temp_path=, #temp_paths, #write_to_temp_file

Methods included from PathHelpers

#data_directory, #data_path, #extract_filename, #file_path, #full_filename, #static_path, #tempfile_path

Methods included from FileStore

#all_text, #assign_type, #create_from_data, #create_from_file, #file, #file=, #is_file_open?, #write_file_after_save

Methods inherited from DataRecord

#all_bytes, #content_string, find_by_type_and_location!, find_data_records, #get_byte, #mime_type, #position, #reset, #seek, #size

Instance Method Details

#extract_mime_type(location) ⇒ Object

return the mime_type for a file



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# File 'lib/talia_core/data_types/image_data.rb', line 8

def extract_mime_type(location)
  case File.extname(location).downcase
  when '.bmp'
    'image/bmp'
  when '.cgm'
    'image/cgm'
  when '.fit', '.fits'
    'image/fits'
  when '.g3'
    'image/g3fax'
  when '.gif'
    'image/gif'
  when '.jpg', '.jpeg', '.jpe'
    'image/jpeg'
  when '.png'
    'image/png'
  when '.tif', '.tiff'
    'image/tiff'
  end
end