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CompressPenData
- 0
Compresses or decompresses the data in an HPENDATA object.
int CompressPenData( HPENDATA hpndt, UINT fuFlags, DWORD dwReserved )
Parameters
hpndt
Handle to the HPENDATA object.
fuFlags
Specifies whether to compress or decompress the data, as follows:
Constant
| Description
| CMPD_COMPRESS
| Compress the pen data.
| CMPD_DECOMPRESS
| Decompress the pen data.
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dwReserved
Must be 0.
Return Value
This function returns one of the following:
Constant
| Description
| PDR_OK
| Successful completion. Redundant operations, such as compressing an HPENDATA object that has already been compressed, are not errors.
| PDR_ERROR
| Illegal parameter or other error.
| PDR_MEMERR
| Memory error.
| PDR_PNDTERR
| Invalid pen data.
| PDR_VERSIONERR
| Could not convert old pen data.
|
Comments
This function replaces the the version 1.0 Pen API function CompactPenData, which is supported for compatibility only.
For a discussion of data compression, see "Compressing Pen Data" in Chapter 4,
"The Inking Process."
See Also
CompactPenData, TrimPenData
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