Sets or restores JPEG compression options for the specified TWAIN session.
#include "ltwrappr.h"
L_INT LTwain::SetJPEGCompression (pTwJpegComp, uFlag);
Pointer to a TW_JPEGCOMPRESSION structure that contains the JPEG compression options to set.
Flag that indicates whether to set new or restore default JPEG compression options. Possible values are:
Value | Meaning |
---|---|
LTWAIN_SET_JPEG_COMPRESSION | [0x0001] Set new JPEG compression options. |
LTWAIN_RESET_JPEG_COMPRESSION | [0x0002] Restore default JPEG compression options. |
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Depending upon the flag used, this function will either set JPEG compression options for the specified TWAIN session, or restore the default JPEG compression options for the specified TWAIN session.
For more information about TW_JPEGCOMPRESSION, refer to the TWAIN specification.
For an example, refer to LTwain::GetJPEGCompression.