Graphics Programs Reference
In-Depth Information
A. Filter effects. B. Filter effects thumbnail mask. C. Blending Options.
Painting your filter on your image
In this next part of the lesson, you will paint sharpness on your image by taking advantage of the Filter
effects thumbnail mask.
1 Click the Filter effects thumbnail and press D to make sure that you are using the default foreground
and background colors. Press X to make sure that black is your foreground color.
2 Select the Paint Brush tool ( ) and then press 0 (zero) to make sure that your Paint Brush is back to
100% Opacity.
3 Start painting over a section of the image. Note that the unsharp mask is no longer applied wherever
you paint black.
4 With the Filter effects thumbnail still selected, choose Edit > Fill. Choose Black , Normal mode,
100% Opacity, and then click OK. Your entire Filter effects thumbnail is filled with black and no un-
sharp masking is applied.
5 Press X to switch your foreground color to white and start painting. Note that you are now sharpening
the image only where you choose to.
You can paint white and black at varying opacities to paint your filter.
6 Experiment by changing the opacity value of your brush as you did when you edited the Curves ad-
justment layer's mask. Notice that you have total control, in a painterly fashion, to change how sharp-
ness is applied to your image.
Adjusting the Blending of the filter
Sometimes, when you apply sharpening to an image, some artifacting appears in the form of speckles.
You can avoid this effect by sharpening only the grays in an image instead of all the color pixels. In this
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