Imagick::contrastStretchImage
(no version information, might be only in CVS)
Imagick::contrastStretchImage -- Enhances the contrast of a color image
Description
bool
Imagick::contrastStretchImage ( float black_point, float white_point [, int channel] )
| Warning |
This function is
currently not documented; only the argument list is
available. |
| Warning |
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk. |
Enhances the contrast of a color image by adjusting the pixels
color to span the entire range of colors available
Parameters
black_point
Its description
white_point
Its description
channel
Its description
Return Values
Returns TRUE on success.
