Adobe Fireworks CS3 用户手册
ADOBE FIREWORKS CS3
User Guide
171
5
Draw on the empty mask. In the areas where you draw, the underlying masked object is either hidden or shown,
depending on the type of mask you applied.
Note: For more information about modifying a bitmap mask’s appearance by drawing on it, see “Modifying a mask’s
appearance” on page 175.
appearance” on page 175.
To use Reveal Selection and Hide Selection commands to create a mask:
1
Select the Magic Wand or any marquee or lasso tool from the Tools panel.
2
Select pixels in a bitmap.
Original image; pixels selected with the Magic Wand
3
Do one of the following to create the mask:
•
Select Modify > Mask > Reveal Selection to show the area defined by the pixel selection.
•
Select Modify > Mask > Hide Selection to hide the area defined by the pixel selection.
The results of Reveal Selection and Hide Selection
A bitmap mask is applied using the pixel selection. You can further edit the mask to reveal or hide the remaining
pixels of the masked object using the bitmap tools in the Tools panel. For more information about modifying a
bitmap mask’s appearance by drawing on it, see “Modifying a mask’s appearance” on page 175.
pixels of the masked object using the bitmap tools in the Tools panel. For more information about modifying a
bitmap mask’s appearance by drawing on it, see “Modifying a mask’s appearance” on page 175.
About importing and exporting Photoshop layer masks
In Photoshop, you can mask images using layer masks or grouped layers. Fireworks lets you successfully import
images that employ layer masks without losing the ability to edit them. Layer masks are imported as bitmap masks.
images that employ layer masks without losing the ability to edit them. Layer masks are imported as bitmap masks.