LEADTOOLS TWAIN C++ Class Library Help
| LEADTOOLS TWAIN C++ Class Library Help > Classes and Function References > LTwain > LTwain Class Members > LTwain::SetJPEGCompression |
#include "ltwrappr.h"
L_INT LTwain::SetJPEGCompression (pTwJpegComp, uFlag);
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pTW_JPEGCOMPRESSION pTwJpegComp; |
/* pointer to a structure */ |
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L_UINT uFlag; |
/* flag */ |
Sets or restores JPEG compression options for the specified TWAIN session.
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Parameter |
Description |
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pTwJpegComp |
Pointer to a TW_JPEGCOMPRESSION structure that contains the JPEG compression options to set. |
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uFlag |
Flag that indicates whether to set new or restore default JPEG compression options. Possible values are: |
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Value |
Meaning |
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LTWAIN_SET_JPEG_COMPRESSION |
[0x0001] Set new JPEG compression options. |
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LTWAIN_RESET_JPEG_COMPRESSION |
[0x0002] Restore default JPEG compression options. |
Returns
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SUCCESS |
The function was successful. |
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< 1 |
An error occurred. Refer to Return Codes. |
Comments
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 1.9 specification from the site "http://www.twain.org/".
Required DLLs and Libraries
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LTTWN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
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Functions: |
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Topics: |
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Example
For an example, refer to LTwain::GetJPEGCompression.
