GrayPictureFormatsEnum

GrayPictureFormatsEnum in the ABBYY FineReader Engine API — Image formats and compression algorithms used when saving gray images.

GrayPictureFormatsEnum enumeration constants define the image formats or compression algorithms to be used when saving gray images.

typedef enum {
 GPF_Jpeg = 0x00000001,
 GPF_Zip  = 0x00000002,
 GPF_LZW  = 0x00000004,
 GPF_J2K  = 0x00000008,
 GPF_Png  = 0x00000010,
 GPF_Auto = 0x00000020
} GrayPictureFormatsEnum;

Elements

Name	Description
GPF\_Auto	The format is determined automatically depending on the output file format and settings.
GPF\_J2K	Gray JPEG 2000 format. Note: The value is not available for PDF/A-1, RTF, DOCX, ODT, HTML, PPTX, FB2 and EPUB formats.
GPF\_Jpeg	Gray JPEG format.
GPF\_LZW	LZW compression algorithm for gray images. Note: The value is not available for PDF/A, RTF, DOCX, ODT, HTML, PPTX, FB2 and EPUB formats.
GPF\_Png	Gray PNG format. Note: The value is not available for PDF, PDF/A formats.
GPF\_Zip	ZIP compression algorithm for gray images. Note: The value is not available for RTF, DOCX, ODT, HTML, PPTX, FB2 and EPUB formats.

Used in

IPDFPictureCompressionParams::GrayPictureFormats

IPictureExportParams::GrayPictureFormats