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Choosing colours<br />
Painting and Drawing 73<br />
At any given time, <strong>PhotoPlus</strong> allows you to work with just two colours—a<br />
foreground colour and a background colour. These are always visible as two<br />
swatches on the Colour tab indicated below (ringed).<br />
In the example opposite, the<br />
foreground colour is set to orange<br />
(RGB 255:97:38) and the background<br />
colour to white. (Don’t confuse the<br />
“background colour” with the<br />
“Background layer”—there’s<br />
absolutely no connection!).<br />
Now, a few things to remember about how these colours are used:<br />
• When you paint with one of the brush tools, or draw a line or shape, leftdragging<br />
(that is, dragging with the left mouse button down) applies the<br />
foreground colour.<br />
• When you cut, delete, or erase an area on the Background layer, the area<br />
exposes the background colour—as if that colour were there "behind" the<br />
portion of the image being removed. (By the way, layers other than the<br />
Background behave differently: on these, a removed area exposes<br />
transparency.)<br />
Electronic artists expend much of their creative energy deciding which of the<br />
millions of available colours should fill those two slots. The actual steps involved,<br />
however, can be quite simple.
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