Description
Compression algorithms for greyscale images.
Name |
Value |
Description |
|---|---|---|
pnGreyscaleCompressionNone |
1 |
No color compression |
pnGreyscaleCompressionPackbits |
2 |
Packbits (RLE) compression |
pnGreyscaleCompressionJPEGHighQuality |
3 |
High quality JPEG compression |
pnGreyscaleCompressionJPEGMediumHighQuality |
4 |
Medium High quality JPEG compression |
pnGreyscaleCompressionJPEGMediumQuality |
5 |
Medium quality JPEG compression |
pnGreyscaleCompressionJPEGMediumLowQuality |
6 |
Medium Low quality JPEG compression |
pnGreyscaleCompressionJPEGLowQuality |
7 |
Low quality JPEG compression |
pnGreyscaleCompressionLZW |
8 |
LZW compression |
pnGreyscaleCompressionZIP |
9 |
ZIP compression |
Remarks
Not all of the compression methods can be used by each driver. Calling these methods on a driver that does not support them will return an invalid argument exception, or an argument out of range exception.
Name |
Driver Support |
|---|---|
pnGreyscaleCompressionNone |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionPackbits |
TIFF Image Printer, Raster Image Printer |
pnGreyscaleCompressionJPEGHighQuality |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionJPEGMediumHighQuality |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionJPEGMediumQuality |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionJPEGMediumLowQuality |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionJPEGLowQuality |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionLZW |
TIFF Image Printer, PDF Image Printer, Raster Image Printer |
pnGreyscaleCompressionZIP |
PDF Image Printer, Raster Image Printer |
Supported Printers: TIFF Image Printer, PDF Image Printer, Raster Image Printer
See Also: pnBWCompressionMethod pnColorCompressionMethod pnIndexedCompressionMethod pnDitheringMethod pnPDFContentEncodingMethod SetJPEGCompressionOptions SetTIFFCompressionOptions SetPDFCompressionOptions
