Declaration:
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AT_ERRCOUNT ACCUAPI IG_IP_color_reduce_halftone (
HIGEAR hIGear,
AT_MODE nOption
);
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Arguments:
| Name | Type | Description |
| hIGear | HIGEAR | HIGEAR handle of image. |
| nOption | AT_MODE | Halftoning pattern - 0 for now (squares). |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
Indexed RGB – 4, 8 bpp;
Grayscale – 4, 8 bpp;
RGB – 24 bpp.
Sample:
None
Example:
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HIGEAR hIGear; /* HIGEAR handle of 4, 8, or 24 bit image */ /* Reduce to a 1-bit halftone image: */ IG_IP_color_reduce_halftone ( hIGear, 0 ); |
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Remarks:
This function reduces a color or grayscale image to a 1 bit per pixel image suitable for use in half-toning. The resulting image will consist of small squares of varying sizes that will give the appearance of varying shades of gray.
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See also the section in entitled Color Reduction. |