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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 /jpg|jpeg/i.match?(format.to_s)
output_options["format"] ||= format.to_s if /bmp/i.match?(format.to_s)
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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