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BwPictureFormatsEnum enumeration constants define the image formats or compression algorithms to be used when saving black-and-white images. 
typedef enum {
 BWPF_CCITT4 = 0x00000001,
 BWPF_JBIG2 = 0x00000002,
 BWPF_JBIG2Lossless = 0x00000004,
 BWPF_Auto  = 0x00000008
} BwPictureFormatsEnum;

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Elements

NameDescription
BWPF\_AutoThe format is defined automatically.
BWPF\_CCITT4CCITT4 compression algorithm.
BWPF\_JBIG2JBIG2 compression algorithm in lossy mode.
BWPF\_JBIG2LosslessJBIG2 compression algorithm in lossless mode.

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Used in

IPDFPictureCompressionParams::BwPictureFormats