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13.2.2.4
Quick Mask
Figure 13.13: Dialog Quick Mask
A Quick Mask is a
intended to be used temporarily to paint a selection. Temporarily means that, unlike a normal
selection mask, it will not be saved in the list after its transformation to selection. The
sometimes show their limits
when they have to be used for doing complex drawing selection, as progressive. In this case, using the QuickMask is a good idea
which can give very good results.
which can give very good results.
13.2.2.4.1
Activate dialog
• The QuickMask can be activated in the following order, from the image-menu: Select/Toggle QuickMask.
• The QuickMask can also be activated by clicking the left-bottom button showed in red on the screenshot.
• It can also be activated by using Shift+Q shortcut.
13.2.2.4.2
Creating a Quick Mask
To initialize a Quick Mask, click the bottom-left button in the image window. If a selection was active in your image, then its
content appears unchanged while the border is covered by a tranlucent red color. If no selection was active then all the image is
content appears unchanged while the border is covered by a tranlucent red color. If no selection was active then all the image is
covered by a tranlucent red color. At every moment you can hide the maskby clicking on the eye icon
in front of the
QMask. From the channel dialog you can double click on the name or the thumbnail to edit the QMask attributes. Then you can
changethe Opacity and its filling color. Once a quick mask is initialized click on it to be sure it is selected and blue highlighted
in the list, and start to paint on it with any GIMP paint tool. The mask is coded in gray tones, so you must use white or gray
to decrease the area limited by the mask and black to increase it. The area painted in light or dark gray will be transition areas
for the selection like feathering. When your mask is ready, click again on the bottom-left button in the image window and the
quick maskwill be removed from the channel list and converted to aselection. Quick mask’s purpose is to paint a selection and its
transitions with the paint tools without worrying about managing selection masks. It’s a good way to isolate asubject in a picture
because once the selection is made you only have to remove its content (or inverse if the subject is in the selection).
changethe Opacity and its filling color. Once a quick mask is initialized click on it to be sure it is selected and blue highlighted
in the list, and start to paint on it with any GIMP paint tool. The mask is coded in gray tones, so you must use white or gray
to decrease the area limited by the mask and black to increase it. The area painted in light or dark gray will be transition areas
for the selection like feathering. When your mask is ready, click again on the bottom-left button in the image window and the
quick maskwill be removed from the channel list and converted to aselection. Quick mask’s purpose is to paint a selection and its
transitions with the paint tools without worrying about managing selection masks. It’s a good way to isolate asubject in a picture
because once the selection is made you only have to remove its content (or inverse if the subject is in the selection).
13.2.2.4.3
Using Quick Mask’s