Adobe Fireworks CS3 Manuale Utente
ADOBE FIREWORKS CS3
User Guide
79
Blurring and sharpening bitmaps
Fireworks has a set of blurring and sharpening options that you can apply as Live Filters or as irreversible, permanent
filters.
filters.
Blurring an image
Blurring softens the look of a bitmap image. Fireworks has six blurring options:
Blur
softens the focus of selected pixels.
Blur More
blurs about three times as much as Blur.
Gaussian Blur
applies a weighted average of blur to each pixel to produce a hazy effect.
Motion Blur
creates the appearance that the image is moving.
Radial Blur
creates the appearance that the image is spinning.
Zoom Blur
creates the appearance that the image is moving toward or away from the viewer.
Note: Applying filters from the Filters menu is destructive; that is, it cannot be undone except when Edit > Undo is an
option. To maintain the ability to adjust, turn off, or remove a filter, apply it as a Live Filter, as described in the first
bulleted option in each of the following procedures. For more information, see “Using Live Filters” on page 147.
option. To maintain the ability to adjust, turn off, or remove a filter, apply it as a Live Filter, as described in the first
bulleted option in each of the following procedures. For more information, see “Using Live Filters” on page 147.
To blur an image:
1
Select the image.
2
Do one of the following:
•
In the Property inspector, click the Add Live Filters button, and then select Blur > Blur or Blur More from the
Filters pop-up menu.
Filters pop-up menu.
•
Select Filters > Blur > Blur or Blur More.
To blur an image using Gaussian Blur:
1
Select the image.
2
Do one of the following to open the Gaussian Blur dialog box:
•
In the Property inspector, click the Add Live Filters button, and then select Blur > Gaussian Blur from the Filters
pop-up menu.
pop-up menu.
•
Select Filters > Blur > Gaussian Blur.
3
Drag the Blur Radius slider to set the strength of the blur effect.
Values range from 0.1 to 250. An increase in radius results in a stronger blur effect.
4
Click OK.
To blur an image using Motion Blur:
1
Select the image.
2
Do one of the following to open the Motion Blur dialog box:
•
In the Property inspector, click the Add Live Filters button, and select Blur > Motion Blur from the Filters pop-up
menu.
menu.
•
Select Filters > Blur > Motion Blur.