History of setGamma

== Syntax ==

void setGamma(double gamma)

== Arguments ==

:gamma

::The gamma correction value.

== Description ==

Precomputes a gamma correction table for gamma value gamma, where gamma is a float or double value.

If this function is not called, calls to the gamma function will use a gamma correction of 1.0, effectively no correction at all.

To be used in conjunction with the gamma function.

== Example ==

<code>

setGamma(1.8);

for (x = x_start; x < x_end; x++) {

for (y = y_start; y < y_end; y++) {

for (z = 0; z < 3; z++) {

pset(x, y, z, gamma(src(x, y, z)));

}

}

</code>

== See Also ==

gamma

== Comments ==

:Everyone can add his comments about his experiences with this function here. Tips for using it are welcome, too.