The following list shows the valid CompressionInfo settings (bit-wise values):
Setting | Description |
0 | No compression If CompressionType is set to 1 (no compression) Default compression If CompressionType is set to a value other than 1 |
1 | EOL |
2 | Packed Lines |
4 | Prefixed EOL |
8 | Compressed LTR |
16 | Expand LTR |
32 | Negate |
64 | High Compression/High Quality (JPEG compression only) |
128 | High Compression/Medium Quality (JPEG compression only) |
256 | High Compression/Low Quality (JPEG compression only) |
512 | Medium Compression/High Quality (JPEG compression only) |
1024 | Medium Compression/Medium Quality (JPEG compression only) |
2048 | Medium Compression/Low Quality (JPEG compression only) |
4096 | Low Compression/High Quality (JPEG compression only) |
8192 | Low Compression/Medium Quality (JPEG compression only) |
16384 | Low Compression/Low Quality (JPEG compression only) |
AWD, BMP, and other uncompressed files must be saved using a CompressionInfo setting of 0. LZW-compressed files must be saved using a CompressionInfo setting of 8.
Note: AWD is not available with Imaging for Windows NT 4.0.