ing pixels.</p>

<p> 2 Add: adds together the alpha (brightness) of overlapping pixels.</p>

<p> 3 Multiply: multiplies the colors of overlapping pixels, the result is always darker than the two inputs.</p>

<p> 4 Screen: the colors of overlapping pixels are complemented, multiplied, then their product is complimented. the result is always lighter than the two inputs.</p>

<p> 5 Overlay: multiplies colors if destination pixel level is >= 8, screens colors if destination pixel level is &lt; 8.</p>

<p> 6 Dar