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# File 'lib/dragonfly_libvips/processors/encode.rb', line 8
def call(content, format, options = {})
raise UnsupportedFormat unless content.ext
raise UnsupportedFormat unless SUPPORTED_FORMATS.include?(content.ext.downcase)
format = format.to_s
format = 'tif' if format == 'tiff'
format = 'jpg' if format == 'jpeg'
raise UnsupportedOutputFormat unless SUPPORTED_OUTPUT_FORMATS.include?(format.downcase)
if content.mime_type == Rack::Mime.mime_type(".#{format}")
content.ext ||= format
content.meta['format'] = format
return
end
options = DragonflyLibvips.stringify_keys(options)
input_options = options.fetch('input_options', {})
input_options['access'] ||= 'sequential'
if content.mime_type == 'image/jpeg'
input_options['autorotate'] = true unless input_options.key?('autorotate')
end
output_options = options.fetch('output_options', {})
if FORMATS_WITHOUT_PROFILE_SUPPORT.include?(format)
output_options.delete('profile')
else
output_options['profile'] ||= input_options.fetch('profile', EPROFILE_PATH)
end
output_options.delete('Q') unless format.to_s =~ /jpg|jpeg/i
output_options['format'] ||= format.to_s if format.to_s =~ /gif|bmp/i
img = ::Vips::Image.new_from_file(content.path, DragonflyLibvips.symbolize_keys(input_options))
content.update(
img.write_to_buffer(".#{format}", DragonflyLibvips.symbolize_keys(output_options)),
'name' => "temp.#{format}",
'format' => format
)
content.ext = format
end
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