History of gamma

== Syntax ==

:int gamma(int i)

== Arguments ==

:i

::The intensity to be corrected. i must be higher or equal to 0 and lower or equal to 255.

== Return ==

:The gamma-corrected value of i.

== Description ==

:Allows the user to efficiently calculate gamma correction.

:To be used in conjunction with the setGamma 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>

== Also see ==

:setGamma

== Comments ==

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