Options for sending image data to the printer or file.
|ALL_IMAGE_DATA||Sends full-resolution data.|
|NONE||Prints graphics frames with crossbars in place of graphics.|
|OPTIMIZED_SUBSAMPLING||Sends just enough data to print graphics at the best possible resolution for the output device.|
|PROXY_IMAGE_DATA||Sends screen-resolution versions (72 dpi) of placed bitmap images.|