This function sets new anti-alias settings.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_dspl_antialias_set(
[IN] HIGEAR hIGear,
[IN] DWORD dwGrpID,
[IN] AT_MODE nAliasFlags,
[IN] INT nThreshold
);
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Arguments:
Name |
Type |
Description |
hIGear |
HIGEAR |
ImageGear handle of image. |
dwGrpID |
DWORD |
Identifier of group in which to set option. |
nAliasFlags |
AT_MODE |
New value of AliasMode to set. Possible value is one of the following:
- IG_DSPL_ANTIALIAS_NONE
- IG_DSPL_ANTIALIAS_SCALE_TO_GRAY
- IG_DSPL_ANTIALIAS_PRESERVE_BLACK
- IG_DSPL_ANTIALIAS_PRESERVE_WHITE
with OR combination of one additional flag:
- IG_DSPL_ANTIALIAS_SUBSAMPLE
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nThreshold |
INT |
Specifies display aliasing threshold level (AliasThreshold). Please see Dithering, Anti-Aliasing, and Palette Handling. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear for C and C++.
Sample:
MFC, Timing, Filters
Example:
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HIGEAR hIGear; /* HIGEAR handle of image */
DWORD nGrpID; /* display group identifier */
...
/* sets scale to gray algorithm with subsampling */
IG_dspl_antialias_set( hIGear, nGrpID, IG_DSPL_ANTIALIAS_SCALE_TO_GRAY|
IG_DSPL_ANTIALIAS_SUBSAMPLE, 50 );
...
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