PdfImageCompression enumeration

PdfImageCompression enumeration

Specifies the type of compression applied to images in the PDF file.

Members

Member nameDescription
AUTOAutomatically selects the most appropriate compression for each image.
NONESaves raw image bytes resulting in bigger PDF file sizes.
RLERun Length compression.
FLATEFlate compression.
LZW_BASELINE_PREDICTORPredictor selection is restricted to PNG Paeth predictor to speed-up the process. In practice
performs surprisingly good. Better than LZW_OPTIMIZED_PREDICTOR.
LZW_OPTIMIZED_PREDICTORPredictor selection is more complicated and should result in smaller image sizes but
taking more time.
JPEGJPEG compression.
Does not support transparency.

See Also