The Solarize effect mimics the accidental exposure of photographic film to light, by inverting the colors of pixels whose lightness exceeds a given threshold.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_FX_solarize(
HIGEAR hIGear,
AT_INT nThreshold
);
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Arguments:
| hIGear | Image to which to apply the effect. |
| nThreshold | Specifies minimum intensity at which the pixels should be inverted. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional, except:
Indexed RGB – 1 bpp;
Indexed RGB with non-grayscale palette;
Grayscale – 1 bpp;
Images that have a Grayscale LUT attached to them.
Sample:
Image Processing
Remarks:
To calculate the threshold, use the following formula:
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2^bpc (i.e., 24bit RGB is 8bpc, 2^8 = 256, hence the range is 0 to 256) |
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