Description:
Identifies the different format compression schemes.
Values:
IG_COMPRESSION_NONE |
No compression |
IG_COMPRESSION_PACKED_BITS |
Packed bits compression |
IG_COMPRESSION_HUFFMAN |
Huffman encoding |
IG_COMPRESSION_CCITT_G3 |
CCITT Group 3 |
IG_COMPRESSION_CCITT_G4 |
CCITT Group 4 |
IG_COMPRESSION_CCITT_G32D |
CCITT Group 3 2D |
IG_COMPRESSION_JPEG |
JPEG compression |
IG_COMPRESSION_RLE |
Run length encoding |
IG_COMPRESSION_LZW |
LZW compression |
IG_COMPRESSION_ABIC_BW |
IBM ABIC compression |
IG_COMPRESSION_ABIC_GRAY |
IBM ABIC compression |
IG_COMPRESSION_JBIG |
IBM JBIG compression |
IG_COMPRESSION_FPX_SINCOLOR |
Single color compression |
IG_COMPRESSION_FPX_NOCHANGE |
Save with the same compression as loaded |
IG_COMPRESSION_DEFLATE |
Deflate compression |
IG_COMPRESSION_IBM_MMR |
IBM MMR compression |
IG_COMPRESSION_ABIC |
IBM ABIC compression |
IG_COMPRESSION_PROGRESSIVE |
Progressive compression ( Progressive JPEG and may be PNG in future ) |
IG_COMPRESSION_EQPC |
PowerSDK EQPC(Wavelet) compression |
IG_COMPRESSION_JBIG2 |
Reserved for future use |
IG_COMPRESSION_LURAWAVE |
Wavelet compression (LuraWave) |
IG_COMPRESSION_LURADOC |
Document compression (LuraDoc) |
IG_COMPRESSION_LURAJP2 |
Lura JPEG2000 compression |
IG_COMPRESSION_ASCII |
Image data is converted to ASCII text |
IG_COMPRESSION_RAW |
Image data is stored directory in binary raw format |
IG_COMPRESSION_JPEG2K |
JPEG 2000 compression |