Serif PhotoPlus X3 ECD518624M User Manual
Product codes
ECD518624M
38
Manipulating Images
Meanwhile, the dialog provides visual feedback.
1. If Show Selection is checked, the grayscale Selection window on the
right shows tagged values as brighter, with untagged pixels darker. To
customize what’s displayed in the Preview window on the left, choose
customize what’s displayed in the Preview window on the left, choose
an option from the Preview list: "None" shows the original image,
"White Matte" shows tagged pixels through a white background, and
so on.
so on.
2. Click OK to confirm the selection, or Cancel to abandon changes.
To create a selection based on the active layer's alpha (opacity) channel:
•
Ctrl-click on the layer’s image thumbnail.
OR
Choose Create from Layer Alpha from the Select menu.
OR
Choose Create from Layer Alpha from the Select menu.
This selects opaque portions of the image. Relatively more transparent areas
become relatively less selected than opaque areas, i.e. more protected from
changes.
changes.
Storing selections
Finally, you can store selections (i.e., just the marqueed region and per-pixel
selectedness data) as part of either the current image or any open image file, and
selectedness data) as part of either the current image or any open image file, and
load a stored selection at any time. It's often useful to be able to "grab" the same
region of an image at different phases of working on it. And, for repetitive tasks
region of an image at different phases of working on it. And, for repetitive tasks
(preparing Web buttons, for example) on different but graphically similar files,
by storing a selection you can reuse it rather than having to recreate it for each
file.
file.
Both Store Selection... and Load Selection... options are hosted on the right-
click pop-up menu or Select menu (you can also delete any stored selection).
click pop-up menu or Select menu (you can also delete any stored selection).