* the TIFF data compressed until the decompressed image is needed.
* At this point, the class decodes the TIFF to an Image.
*/
* the TIFF data compressed until the decompressed image is needed.
* At this point, the class decodes the TIFF to an Image.
*/
/** log2 of any scaling down that has already been applied to the image;
* e.g. if the image is already half the size of the original, this value
* will be 1.
/** log2 of any scaling down that has already been applied to the image;
* e.g. if the image is already half the size of the original, this value
* will be 1.
boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
) const = 0;
virtual void add_metadata (xmlpp::Node *) const = 0;
boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
) const = 0;
virtual void add_metadata (xmlpp::Node *) const = 0;
/** Do any useful work that would speed up a subsequent call to ::image().
* This method may be called in a different thread to image().
* @return log2 of any scaling down that will be applied to the image.
*/
/** Do any useful work that would speed up a subsequent call to ::image().
* This method may be called in a different thread to image().
* @return log2 of any scaling down that will be applied to the image.
*/