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The quick mask displays the selection using an overlay of red. Areas shaded with red are not
selected. Areas appearing as they did before the mask was activated are selected. To modify the
selection, use the paint tools. Painting with white selects the painted pixels. Painting with black
deselects pixels. Shades of gray (colors are treated as shades of gray) are a partial selection. Partial
selection allows smooth transitions between selected and unselected areas.
To use a different color for displaying the quick mask, right-click the quick mask button then select
Configure Color and Opacity from the menu. Click the colored box in the dialog that opens to select
a new color.
After using the paint tools to adjust the selection as desired, convert from the quick mask view back
to the normal selection view by clicking the icon in the lower left corner of the image window
(currently displaying a red box). The selection is again displayed with the marching ants.
14.5.3 Applying and Removing Color
Most image editing involves applying or removing color. By selecting a part of the image, limit
where color can be applied or removed. When you select a tool and move the cursor onto an image,
the cursor's appearance changes to reflect the chosen tool. With many tools, an icon of the current
tool is shown along with the arrow. For paint tools, an outline of the current brush is shown,
allowing you to see exactly where you will be painting in the image and how large an area will be
painted.
Selecting Colors
Paint tools use the foreground color. To select the color, first click the display box of the foreground
color. A dialog with four tabs opens. These tabs provide different color selection methods. Only the
first tab, shown in
"The Basic Color Selector Dialog" on page
209, is described here. The new color
is shown in Current. The previous color is shown in Old.
The Basic Color Selector Dialog
Figure 14-2
The easiest way to select a color is using the colored areas in the boxes to the left. In the narrow
vertical bar, click a color similar to the desired color. The larger box to the left then shows available
nuances. Click the desired color. It is then shown in Current. If that color is not what you want, try
again.
Manipulating Graphics with The GIMP 209
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